UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-CSR CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-4777 - -------------------------------------------------------------------------------- MFS SERIES TRUST I - -------------------------------------------------------------------------------- (Exact name of registrant as specified in charter) 500 Boylston Street, Boston, Massachusetts 02116 - -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip code) Susan S. Newton Massachusetts Financial Services Company 500 Boylston Street Boston, Massachusetts 02116 - -------------------------------------------------------------------------------- (Name and address of agents for service) Registrant's telephone number, including area code: (617) 954-5000 - -------------------------------------------------------------------------------- Date of fiscal year end: August 31 - -------------------------------------------------------------------------------- Date of reporting period: February 28, 2007 - -------------------------------------------------------------------------------- ITEM 1. REPORTS TO STOCKHOLDERS. M F S(R) INVESTMENT MANAGEMENT [graphic omitted] SEMIANNUAL REPORT MFS(R) STRATEGIC GROWTH FUND LETTER FROM THE CEO 1 - ------------------------------------------------------------------ PORTFOLIO COMPOSITION 2 - ------------------------------------------------------------------ EXPENSE TABLE 3 - ------------------------------------------------------------------ PORTFOLIO OF INVESTMENTS 5 - ------------------------------------------------------------------ STATEMENT OF ASSETS AND LIABILITIES 9 - ------------------------------------------------------------------ STATEMENT OF OPERATIONS 12 - ------------------------------------------------------------------ STATEMENTS OF CHANGES IN NET ASSETS 13 - ------------------------------------------------------------------ FINANCIAL HIGHLIGHTS 14 - ------------------------------------------------------------------ NOTES TO FINANCIAL STATEMENTS 23 - ------------------------------------------------------------------ BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT 35 - ------------------------------------------------------------------ PROXY VOTING POLICIES AND INFORMATION 35 - ------------------------------------------------------------------ QUARTERLY PORTFOLIO DISCLOSURE 35 - ------------------------------------------------------------------ CONTACT INFORMATION BACK COVER - ------------------------------------------------------------------ THE REPORT IS PREPARED FOR THE GENERAL INFORMATION OF SHAREHOLDERS. IT IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY WHEN PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS. - ------------------------------------------------------------------------------ NOT FDIC INSURED o MAY LOSE VALUE o NO BANK OR CREDIT UNION GUARANTEE o NOT A DEPOSIT o NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY OR NCUA/NCUSIF - ------------------------------------------------------------------------------ 2/28/07 AGF-SEM LETTER FROM THE CEO [Photo of Robert J. Manning] Dear Shareholders: The past year has been a great example of why investors should keep their eyes on the long term. In 2006 the Dow Jones Industrial Average returned 19%. In February 2007 it hit its all-time high of 12,787. Less than a week later, stocks sold off around the globe. By March 5 the Dow was off 5.8%. That is a sign of volatile markets and a reason investors should make sure they have an investment plan that can ride out the peaks and troughs. If you are focused on a long-term investment strategy, the short-term ups and downs of the markets should not necessarily dictate portfolio action on your part. Both the bond and stock markets are inherently cyclical. In our view, investors who remain committed to a long-term plan are more likely to achieve their financial goals. We believe you should not let the headlines guide you in your investment decisions and that there is no sense in reacting to short- term volatility. In any market environment, we believe individual investors are best served by following a three-pronged investment strategy of allocating their holdings across the major asset classes, diversifying within each class, and regularly rebalancing their portfolios to maintain their desired allocations. Of course, these strategies cannot guarantee a profit or protect against a loss. Investing and planning for the long term require diligence and patience, two traits that in our experience are essential to capitalizing on the many opportunities the financial markets can offer -- through both up and down economic cycles. Respectfully, /s/ Robert J. Manning Robert J. Manning Chief Executive Officer and Chief Investment Officer MFS Investment Management(R) April 16, 2007 The opinions expressed in this letter are subject to change, may not be relied upon for investment advice, and no forecasts can be guaranteed. PORTFOLIO COMPOSITION PORTFOLIO STRUCTURE Common Stocks 97.6% Cash & Other Net Assets 2.4% TOP TEN HOLDINGS Cisco Systems, Inc. 3.3% ------------------------------------------------ Adobe Systems, Inc. 2.9% ------------------------------------------------ News Corp., "A" 2.6% ------------------------------------------------ Roche Holding AG 2.5% ------------------------------------------------ Lockheed Martin Corp. 2.3% ------------------------------------------------ Intel Corp. 2.2% ------------------------------------------------ United Technologies Corp. 2.1% ------------------------------------------------ American Express Co. 2.1% ------------------------------------------------ UBS AG 2.1% ------------------------------------------------ Google, Inc., "A" 2.1% ------------------------------------------------ EQUITY SECTORS Technology 21.6% ------------------------------------------------ Health Care 19.8% ------------------------------------------------ Financial Services 12.1% ------------------------------------------------ Industrial Goods & Services 7.8% ------------------------------------------------ Special Products & Services 6.9% ------------------------------------------------ Retailing 6.6% ------------------------------------------------ Leisure 6.3% ------------------------------------------------ Consumer Staples 5.3% ------------------------------------------------ Utilities & Communications 4.6% ------------------------------------------------ Energy 3.0% ------------------------------------------------ Basic Materials 2.0% ------------------------------------------------ Autos & Housing 1.6% ------------------------------------------------ Percentages are based on net assets as of 2/28/07. The portfolio is actively managed and current holdings may be different. EXPENSE TABLE Fund expenses borne by the shareholders during the period, September 1, 2006 through February 28, 2007 As a shareholder of the fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on certain purchase or redemption payments and redemption fees on certain exchanges and redemptions, and (2) ongoing costs, including management fees; distribution and service (12b-1) fees; and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the period and held for the entire period September 1, 2006 through February 28, 2007. ACTUAL EXPENSES The first line for each share class in the following table provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each share class in the following table provides information about hypothetical account values and hypothetical expenses based on the fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as sales charges (loads) or redemption fees. Therefore, the second line for each share class in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. - ------------------------------------------------------------------------------- Expenses Paid During Annualized Beginning Ending Period(p) Share Expense Account Value Account Value 9/01/06- Class Ratio 9/01/06 2/28/07 2/28/07 - -------------------------------------------------------------------------------- Actual 1.23% $1,000.00 $1,085.70 $ 6.36 A ------------------------------------------------------------------------ Hypothetical (h) 1.23% $1,000.00 $1,018.70 $ 6.16 - -------------------------------------------------------------------------------- Actual 1.88% $1,000.00 $1,082.60 $ 9.71 B ------------------------------------------------------------------------- Hypothetical (h) 1.88% $1,000.00 $1,015.47 $ 9.39 - -------------------------------------------------------------------------------- Actual 1.88% $1,000.00 $1,082.40 $ 9.71 C ------------------------------------------------------------------------ Hypothetical (h) 1.88% $1,000.00 $1,015.47 $ 9.39 - -------------------------------------------------------------------------------- Actual 0.88% $1,000.00 $1,088.00 $ 4.56 I ------------------------------------------------------------------------ Hypothetical (h) 0.88% $1,000.00 $1,020.43 $ 4.41 - -------------------------------------------------------------------------------- Actual 1.38% $1,000.00 $1,085.10 $ 7.13 R ------------------------------------------------------------------------- Hypothetical (h) 1.38% $1,000.00 $1,017.95 $ 6.90 - -------------------------------------------------------------------------------- Actual 1.98% $1,000.00 $1,082.20 $10.22 R1 ------------------------------------------------------------------------ Hypothetical (h) 1.98% $1,000.00 $1,014.98 $ 9.89 - -------------------------------------------------------------------------------- Actual 1.63% $1,000.00 $1,084.00 $ 8.42 R2 ------------------------------------------------------------------------ Hypothetical (h) 1.63% $1,000.00 $1,016.71 $ 8.15 - -------------------------------------------------------------------------------- Actual 1.53% $1,000.00 $1,084.50 $ 7.91 R3 ------------------------------------------------------------------------- Hypothetical (h) 1.53% $1,000.00 $1,017.21 $ 7.65 - -------------------------------------------------------------------------------- Actual 1.27% $1,000.00 $1,086.30 $ 6.57 R4 ------------------------------------------------------------------------ Hypothetical (h) 1.27% $1,000.00 $1,018.50 $ 6.36 - -------------------------------------------------------------------------------- Actual 0.97% $1,000.00 $1,087.50 $ 5.02 R5 ------------------------------------------------------------------------ Hypothetical (h) 0.97% $1,000.00 $1,019.98 $ 4.86 - -------------------------------------------------------------------------------- Actual 1.48% $1,000.00 $1,084.90 $ 7.65 529A ------------------------------------------------------------------------ Hypothetical (h) 1.48% $1,000.00 $1,017.46 $ 7.40 - -------------------------------------------------------------------------------- Actual 2.13% $1,000.00 $1,081.70 $10.99 529B ------------------------------------------------------------------------ Hypothetical (h) 2.13% $1,000.00 $1,014.23 $10.64 - -------------------------------------------------------------------------------- Actual 2.13% $1,000.00 $1,081.00 $10.99 529C ------------------------------------------------------------------------ Hypothetical (h) 2.13% $1,000.00 $1,014.23 $10.64 - -------------------------------------------------------------------------------- (h) 5% class return per year before expenses. (p) Expenses paid is equal to each class' annualized expense ratio, as shown above, multiplied by the average account value over the period, multiplied by the number of days in the period, divided by the number of days in the year. Expenses paid do not include any applicable sales charges (loads) or redemption fees. If these transaction costs had been included, your costs would have been higher. PORTFOLIO OF INVESTMENTS 2/28/07 (unaudited) The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes. Common Stocks - 97.6% - ---------------------------------------------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - ---------------------------------------------------------------------------------------------------------------------------------- Aerospace - 4.4% - ---------------------------------------------------------------------------------------------------------------------------------- Lockheed Martin Corp. 369,950 $ 35,988,736 United Technologies Corp. 510,510 33,504,771 -------------- $ 69,493,507 - ---------------------------------------------------------------------------------------------------------------------------------- Apparel Manufacturers - 2.8% - ---------------------------------------------------------------------------------------------------------------------------------- Coach, Inc. (a) 333,790 $ 15,754,888 LVMH Moet Hennessy Louis Vuitton S.A. 70,130 7,768,933 NIKE, Inc., "B" 200,800 20,977,576 -------------- $ 44,501,397 - ---------------------------------------------------------------------------------------------------------------------------------- Automotive - 1.6% - ---------------------------------------------------------------------------------------------------------------------------------- Harman International Industries, Inc. 249,490 $ 24,739,428 - ---------------------------------------------------------------------------------------------------------------------------------- Biotechnology - 6.8% - ---------------------------------------------------------------------------------------------------------------------------------- Amgen, Inc. (a) 325,210 $ 20,897,995 Celgene Corp. (a)(l) 371,160 19,782,828 Genentech, Inc. (a) 234,260 19,764,516 Genzyme Corp. (a) 445,480 27,530,664 Gilead Sciences, Inc. (a) 100,180 7,168,881 Millipore Corp. (a) 173,710 12,423,739 -------------- $ 107,568,623 - ---------------------------------------------------------------------------------------------------------------------------------- Broadcasting - 3.6% - ---------------------------------------------------------------------------------------------------------------------------------- Grupo Televisa S.A., ADR 532,960 $ 14,544,478 News Corp., "A" 1,846,440 41,600,293 -------------- $ 56,144,771 - ---------------------------------------------------------------------------------------------------------------------------------- Brokerage & Asset Managers - 4.0% - ---------------------------------------------------------------------------------------------------------------------------------- Charles Schwab Corp. 1,338,960 $ 24,743,981 Chicago Mercantile Exchange Holdings, Inc., "A" 29,930 16,136,161 Goldman Sachs Group, Inc. 105,070 21,182,112 -------------- $ 62,062,254 - ---------------------------------------------------------------------------------------------------------------------------------- Business Services - 4.7% - ---------------------------------------------------------------------------------------------------------------------------------- Amdocs Ltd. (a) 625,690 $ 21,655,131 Cognizant Technology Solutions Corp., "A" (a) 243,550 21,968,210 First Data Corp. 1,188,760 30,349,043 -------------- $ 73,972,384 - ---------------------------------------------------------------------------------------------------------------------------------- Chemicals - 2.0% - ---------------------------------------------------------------------------------------------------------------------------------- Monsanto Co. 598,510 $ 31,535,492 - ---------------------------------------------------------------------------------------------------------------------------------- Computer Software - 3.3% - ---------------------------------------------------------------------------------------------------------------------------------- Adobe Systems, Inc. (a) 1,178,376 $ 46,251,258 Oracle Corp. (a) 385,700 6,337,051 -------------- $ 52,588,309 - ---------------------------------------------------------------------------------------------------------------------------------- Computer Software - Systems - 1.3% - ---------------------------------------------------------------------------------------------------------------------------------- Apple Computer, Inc. (a) 244,580 $ 20,693,914 - ---------------------------------------------------------------------------------------------------------------------------------- Consumer Goods & Services - 2.2% - ---------------------------------------------------------------------------------------------------------------------------------- eBay, Inc. (a) 613,510 $ 19,669,131 Western Union Co. 691,660 14,988,272 -------------- $ 34,657,403 - ---------------------------------------------------------------------------------------------------------------------------------- Electrical Equipment - 2.0% - ---------------------------------------------------------------------------------------------------------------------------------- Rockwell Automation, Inc. 515,390 $ 32,000,565 - ---------------------------------------------------------------------------------------------------------------------------------- Electronics - 7.4% - ---------------------------------------------------------------------------------------------------------------------------------- Applied Materials, Inc. 1,355,180 $ 25,165,693 Intel Corp. 1,712,250 33,988,163 Marvell Technology Group Ltd. (a) 1,220,120 25,036,862 Samsung Electronics Co. Ltd., GDR 43,852 13,166,563 SanDisk Corp. (a)(l) 510,060 18,576,385 -------------- $ 115,933,666 - ---------------------------------------------------------------------------------------------------------------------------------- Food & Beverages - 3.6% - ---------------------------------------------------------------------------------------------------------------------------------- Nestle S.A. 76,802 $ 28,626,171 PepsiCo, Inc. 443,730 28,021,550 -------------- $ 56,647,721 - ---------------------------------------------------------------------------------------------------------------------------------- Gaming & Lodging - 1.3% - ---------------------------------------------------------------------------------------------------------------------------------- International Game Technology 499,320 $ 20,596,950 - ---------------------------------------------------------------------------------------------------------------------------------- General Merchandise - 1.1% - ---------------------------------------------------------------------------------------------------------------------------------- Costco Wholesale Corp. 304,310 $ 17,007,886 - ---------------------------------------------------------------------------------------------------------------------------------- Health Maintenance Organizations - 1.1% - ---------------------------------------------------------------------------------------------------------------------------------- UnitedHealth Group, Inc. 334,810 $ 17,477,082 - ---------------------------------------------------------------------------------------------------------------------------------- Insurance - 0.3% - ---------------------------------------------------------------------------------------------------------------------------------- Aflac, Inc. 103,560 $ 4,888,032 - ---------------------------------------------------------------------------------------------------------------------------------- Internet - 2.1% - ---------------------------------------------------------------------------------------------------------------------------------- Google, Inc., "A" (a) 71,660 $ 32,207,587 - ---------------------------------------------------------------------------------------------------------------------------------- Leisure & Toys - 1.4% - ---------------------------------------------------------------------------------------------------------------------------------- Electronic Arts, Inc. (a) 424,100 $ 21,383,122 - ---------------------------------------------------------------------------------------------------------------------------------- Machinery & Tools - 1.4% - ---------------------------------------------------------------------------------------------------------------------------------- Deere & Co. 197,920 $ 21,458,486 - ---------------------------------------------------------------------------------------------------------------------------------- Major Banks - 3.6% - ---------------------------------------------------------------------------------------------------------------------------------- Bank of New York Co., Inc. 674,370 $ 27,392,909 State Street Corp. 452,640 29,652,446 -------------- $ 57,045,355 - ---------------------------------------------------------------------------------------------------------------------------------- Medical Equipment - 6.1% - ---------------------------------------------------------------------------------------------------------------------------------- Advanced Medical Optics, Inc. (a)(l) 582,440 $ 22,447,238 Cytyc Corp. (a) 814,520 24,679,956 Medtronic, Inc. 492,540 24,804,314 St. Jude Medical, Inc. (a) 594,960 23,590,164 -------------- $ 95,521,672 - ---------------------------------------------------------------------------------------------------------------------------------- Network & Telecom - 6.3% - ---------------------------------------------------------------------------------------------------------------------------------- Cisco Systems, Inc. (a) 1,972,210 $ 51,159,127 Juniper Networks, Inc. (a) 1,060,150 20,047,437 Nokia Corp., ADR 246,500 5,381,095 QUALCOMM, Inc. 387,130 15,593,596 Research In Motion Ltd. (a) 43,050 6,053,261 -------------- $ 98,234,516 - ---------------------------------------------------------------------------------------------------------------------------------- Oil Services - 3.0% - ---------------------------------------------------------------------------------------------------------------------------------- GlobalSantaFe Corp. 431,110 $ 24,844,869 National-Oilwell Varco, Inc. (a) 245,980 17,130,047 Schlumberger Ltd. 87,110 5,470,508 -------------- $ 47,445,424 - ---------------------------------------------------------------------------------------------------------------------------------- Other Banks & Diversified Financials - 4.2% - ---------------------------------------------------------------------------------------------------------------------------------- American Express Co. 581,480 $ 33,068,768 UBS AG 549,540 32,444,842 -------------- $ 65,513,610 - ---------------------------------------------------------------------------------------------------------------------------------- Personal Computers & Peripherals - 1.2% - ---------------------------------------------------------------------------------------------------------------------------------- EMC Corp. (a) 727,880 $ 10,153,926 Network Appliance, Inc. (a) 221,870 8,579,713 -------------- $ 18,733,639 - ---------------------------------------------------------------------------------------------------------------------------------- Pharmaceuticals - 5.8% - ---------------------------------------------------------------------------------------------------------------------------------- Allergan, Inc. 254,400 $ 28,419,024 GlaxoSmithKline PLC 851,720 23,914,619 Roche Holding AG (l) 219,020 39,091,128 -------------- $ 91,424,771 - ---------------------------------------------------------------------------------------------------------------------------------- Specialty Stores - 2.7% - ---------------------------------------------------------------------------------------------------------------------------------- Lowe's Cos., Inc. 769,900 $ 25,067,944 Staples, Inc. 686,410 17,860,389 -------------- $ 42,928,333 - ---------------------------------------------------------------------------------------------------------------------------------- Telecommunications - Wireless - 1.6% - ---------------------------------------------------------------------------------------------------------------------------------- America Movil S.A. de C.V., "L", ADR 580,660 $ 25,432,908 - ---------------------------------------------------------------------------------------------------------------------------------- Telephone Services - 3.0% - ---------------------------------------------------------------------------------------------------------------------------------- American Tower Corp., "A" (a) 741,400 $ 28,721,836 AT&T, Inc. 108,100 3,978,080 Qwest Communications International, Inc. (a)(l) 1,622,180 14,404,958 -------------- $ 47,104,874 - ---------------------------------------------------------------------------------------------------------------------------------- Tobacco - 1.7% - ---------------------------------------------------------------------------------------------------------------------------------- Altria Group, Inc. 310,280 $ 26,150,398 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL COMMON STOCKS (IDENTIFIED COST, $1,434,132,246) $1,533,094,079 - ---------------------------------------------------------------------------------------------------------------------------------- Short-Term Obligations - 2.6% - ---------------------------------------------------------------------------------------------------------------------------------- General Electric Capital Corp., 5.32%, due 3/01/07, at Amortized Cost and Value (y) $40,466,000 $ 40,466,000 - ---------------------------------------------------------------------------------------------------------------------------------- Collateral for Securities Loaned - 5.6% - ---------------------------------------------------------------------------------------------------------------------------------- Navigator Securities Lending Prime Portfolio, at Cost and Net Asset Value 88,657,330 $ 88,657,330 - ---------------------------------------------------------------------------------------------------------------------------------- TOTAL INVESTMENTS (IDENTIFIED COST, $1,563,255,576) $1,662,217,409 - ---------------------------------------------------------------------------------------------------------------------------------- Other Assets, Less Liabilities - (5.8)% (91,298,077) - ---------------------------------------------------------------------------------------------------------------------------------- NET ASSETS - 100.0% $1,570,919,332 - ---------------------------------------------------------------------------------------------------------------------------------- (a) Non-income producing security. (l) All or a portion of this security is on loan. (y) The rate shown represents an annualized yield at time of purchase. The following abbreviations are used in this report and are defined: ADR American Depository Receipt GDR Global Depository Receipt SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF ASSETS AND LIABILITIES At 2/28/07 (unaudited) This statement represents your fund's balance sheet, which details the assets and liabilities comprising the total value of the fund. ASSETS - ------------------------------------------------------------------------------------------------------------------ Investments, at value, including $85,592,836 of securities on loan (identified cost, $1,563,255,576) $1,662,217,409 Cash 288 Receivable for investments sold 5,760,971 Receivable for fund shares sold 1,212,960 Interest and dividends receivable 1,013,796 Other assets 31,877 - ------------------------------------------------------------------------------------------------------------------ Total assets $1,670,237,301 - ------------------------------------------------------------------------------------------------------------------ LIABILITIES - ------------------------------------------------------------------------------------------------------------------ Payable for investments purchased $8,167,004 Payable for fund shares reacquired 1,614,697 Collateral for securities loaned, at value 88,657,330 Payable to affiliates Management fee 56,682 Shareholder servicing costs 387,705 Distribution and service fees 22,790 Administrative services fee 1,548 Program manager fees 14 Retirement plan administration and services fees 29 Payable for independent trustees' compensation 67,922 Accrued expenses and other liabilities 342,248 - ------------------------------------------------------------------------------------------------------------------ Total liabilities $99,317,969 - ------------------------------------------------------------------------------------------------------------------ Net assets $1,570,919,332 - ------------------------------------------------------------------------------------------------------------------ NET ASSETS CONSIST OF - ------------------------------------------------------------------------------------------------------------------ Paid-in capital $2,790,905,300 Unrealized appreciation (depreciation) on investments and translation of assets and liabilities in foreign currencies 98,962,755 Accumulated net realized gain (loss) on investments and foreign currency transactions (1,315,037,280) Accumulated net investment loss (3,911,443) - ------------------------------------------------------------------------------------------------------------------ Net assets $1,570,919,332 - ------------------------------------------------------------------------------------------------------------------ Shares of beneficial interest outstanding 76,468,379 - ------------------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class A shares - ------------------------------------------------------------------------------------------------------------------ Net assets $393,078,912 Shares outstanding 19,264,201 - ------------------------------------------------------------------------------------------------------------------ Net asset value per share $20.40 - ------------------------------------------------------------------------------------------------------------------ Offering price per share (100/94.25Xnet asset value per share) $21.64 - ------------------------------------------------------------------------------------------------------------------ Class B shares - ------------------------------------------------------------------------------------------------------------------ Net assets $209,852,823 Shares outstanding 10,891,909 - ------------------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $19.27 - ------------------------------------------------------------------------------------------------------------------ Class C shares - ------------------------------------------------------------------------------------------------------------------ Net assets $59,546,919 Shares outstanding 3,085,197 - ------------------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $19.30 - ------------------------------------------------------------------------------------------------------------------ Class I shares - ------------------------------------------------------------------------------------------------------------------ Net assets $902,566,381 Shares outstanding 42,932,724 - ------------------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $21.02 - ------------------------------------------------------------------------------------------------------------------ Class R shares - ------------------------------------------------------------------------------------------------------------------ Net assets $2,480,310 Shares outstanding 122,277 - ------------------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $20.28 - ------------------------------------------------------------------------------------------------------------------ Class R1 shares - ------------------------------------------------------------------------------------------------------------------ Net assets $444,305 Shares outstanding 23,116 - ------------------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $19.22 - ------------------------------------------------------------------------------------------------------------------ Class R2 shares - ------------------------------------------------------------------------------------------------------------------ Net assets $817,624 Shares outstanding 42,258 - ------------------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $19.35 - ------------------------------------------------------------------------------------------------------------------ Class R3 shares - ------------------------------------------------------------------------------------------------------------------ Net assets $905,663 Shares outstanding 44,962 - ------------------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $20.14 - ------------------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class R4 shares - ------------------------------------------------------------------------------------------------------------------ Net assets $166,422 Shares outstanding 8,163 - ------------------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $20.39 - ------------------------------------------------------------------------------------------------------------------ Class R5 shares - ------------------------------------------------------------------------------------------------------------------ Net assets $57,013 Shares outstanding 2,781 - ------------------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $20.50 - ------------------------------------------------------------------------------------------------------------------ Class 529A shares - ------------------------------------------------------------------------------------------------------------------ Net assets $615,412 Shares outstanding 30,473 - ------------------------------------------------------------------------------------------------------------------ Net asset value per share $20.20 - ------------------------------------------------------------------------------------------------------------------ Offering price per share (100/94.25Xnet asset value per share) $21.43 - ------------------------------------------------------------------------------------------------------------------ Class 529B shares - ------------------------------------------------------------------------------------------------------------------ Net assets $170,936 Shares outstanding 8,965 - ------------------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $19.07 - ------------------------------------------------------------------------------------------------------------------ Class 529C shares - ------------------------------------------------------------------------------------------------------------------ Net assets $216,612 Shares outstanding 11,353 - ------------------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $19.08 - ------------------------------------------------------------------------------------------------------------------ On sales of $50,000 or more, the offering prices of Class A and Class 529A shares are reduced. A contingent deferred sales charge may be imposed on redemptions of Class A, Class B, Class C, Class 529B, and Class 529C shares. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF OPERATIONS Six months ended 2/28/07 (unaudited) This statement describes how much your fund earned in investment income and accrued in expenses. It also describes any gains and/or losses generated by fund operations. NET INVESTMENT LOSS - ------------------------------------------------------------------------------------------------------------------ Income Dividends $5,285,035 Interest 1,385,907 - ------------------------------------------------------------------------------------------------------------------ Total investment income $6,670,942 - ------------------------------------------------------------------------------------------------------------------ Expenses Management fee $5,924,305 Distribution and service fees 2,239,519 Program manager fees 1,273 Shareholder servicing costs 1,206,591 Administrative services fee 140,253 Retirement plan administration and services fees 3,840 Independent trustees' compensation 26,766 Custodian fee 223,869 Shareholder communications 81,245 Auditing fees 22,457 Legal fees 22,996 Miscellaneous 98,293 - ------------------------------------------------------------------------------------------------------------------ Total expenses $9,991,407 - ------------------------------------------------------------------------------------------------------------------ Fees paid indirectly (59,704) Reduction of expenses by investment adviser (795,386) - ------------------------------------------------------------------------------------------------------------------ Net expenses $9,136,317 - ------------------------------------------------------------------------------------------------------------------ Net investment loss $(2,465,375) - ------------------------------------------------------------------------------------------------------------------ REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS - ------------------------------------------------------------------------------------------------------------------ Realized gain (loss) (identified cost basis) Investment transactions $46,577,311 Foreign currency transactions (13,823) - ------------------------------------------------------------------------------------------------------------------ Net realized gain (loss) on investments and foreign currency transactions $46,563,488 - ------------------------------------------------------------------------------------------------------------------ Change in unrealized appreciation (depreciation) Investments $87,282,201 Translation of assets and liabilities in foreign currencies (2,030) - ------------------------------------------------------------------------------------------------------------------ Net unrealized gain (loss) on investments and foreign currency translation $87,280,171 - ------------------------------------------------------------------------------------------------------------------ Net realized and unrealized gain (loss) on investments and foreign currency $133,843,659 - ------------------------------------------------------------------------------------------------------------------ Change in net assets from operations $131,378,284 - ------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENTS OF CHANGES IN NET ASSETS These statements describe the increases and/or decreases in net assets resulting from operations, any distributions, and any shareholder transactions. SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 (UNAUDITED) CHANGE IN NET ASSETS FROM OPERATIONS - ---------------------------------------------------------------------------------------------------------------- Net investment loss $(2,465,375) $(8,556,709) Net realized gain (loss) on investments and foreign currency transactions 46,563,488 32,807,606 Net unrealized gain (loss) on investments and foreign currency translation 87,280,171 (19,497,489) - ---------------------------------------------------------------------------------------------------------------- Change in net assets from operations $131,378,284 $4,753,408 - ---------------------------------------------------------------------------------------------------------------- Change in net assets from fund share transactions $(96,180,527) $(97,585,909) - ---------------------------------------------------------------------------------------------------------------- Total change in net assets $35,197,757 $(92,832,501) - ---------------------------------------------------------------------------------------------------------------- NET ASSETS - ---------------------------------------------------------------------------------------------------------------- At beginning of period 1,535,721,575 1,628,554,076 At end of period (including accumulated net investment loss of $3,911,443 and $1,446,068, respectively) $1,570,919,332 $1,535,721,575 - ---------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Statements FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the fund's financial performance for the semiannual period and the past 5 fiscal years (or life of a particular share class, if shorter). Certain information reflects financial results for a single fund share. The total returns in the table represent the rate by which an investor would have earned (or lost) on an investment in the fund share class (assuming reinvestment of all distributions) held for the entire period. SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------- CLASS A 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $18.79 $18.76 $16.62 $16.57 $14.03 $19.22 - --------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.04) $(0.10) $0.01 $(0.08) $(0.07) $(0.13) Net realized and unrealized gain (loss) on investments and foreign currency 1.65 0.13 2.13 0.13 2.61 (4.97) - --------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.61 $0.03 $2.14 $0.05 $2.54 $(5.10) - --------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $-- $-- $-- $-- $-- $(0.09) - --------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.40 $18.79 $18.76 $16.62 $16.57 $14.03 - --------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 8.57(n) 0.16 12.88 0.30(b) 18.10(j) (26.70) - --------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.33(a) 1.36 1.38 1.37 1.41 1.45 Expenses after expense reductions (f) 1.23(a) 1.27 1.28 1.32 N/A N/A Net investment income (loss) (0.38)(a) (0.53) 0.05 (0.46) (0.46) (0.74) Portfolio turnover 32 171 69 80 72 116 Net assets at end of period (000 Omitted) $393,079 $414,113 $518,618 $563,761 $673,767 $731,283 - --------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------- CLASS B 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $17.80 $17.88 $15.95 $16.00 $13.65 $18.80 - --------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.10) $(0.22) $(0.10) $(0.19) $(0.16) $(0.24) Net realized and unrealized gain (loss) on investments and foreign currency 1.57 0.14 2.03 0.14 2.51 (4.82) - --------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.47 $(0.08) $1.93 $(0.05) $2.35 $(5.06) - --------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $-- $-- $-- $-- $-- $(0.09) - --------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.27 $17.80 $17.88 $15.95 $16.00 $13.65 - --------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 8.26(n) (0.45) 12.10 (0.31)(b) 17.22(j) (27.08) - --------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.98(a) 2.02 2.02 2.02 2.06 2.10 Expenses after expense reductions (f) 1.88(a) 1.92 1.92 1.97 N/A N/A Net investment loss (1.03)(a) (1.19) (0.60) (1.10) (1.12) (1.39) Portfolio turnover 32 171 69 80 72 116 Net assets at end of period (000 Omitted) $209,853 $247,488 $381,085 $427,364 $505,090 $490,326 - --------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------- CLASS C 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $17.83 $17.92 $15.98 $16.03 $13.67 $18.84 - --------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.10) $(0.22) $(0.10) $(0.19) $(0.16) $(0.24) Net realized and unrealized gain (loss) on investments and foreign currency 1.57 0.13 2.04 0.14 2.52 (4.84) - --------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.47 $(0.09) $1.94 $(0.05) $2.36 $(5.08) - --------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $-- $-- $-- $-- $-- $(0.09) - --------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.30 $17.83 $17.92 $15.98 $16.03 $13.67 - --------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 8.24(n) (0.50) 12.14 (0.31)(b) 17.26(j) (27.13) - --------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.98(a) 2.02 2.02 2.02 2.06 2.10 Expenses after expense reductions (f) 1.88(a) 1.93 1.92 1.97 N/A N/A Net investment loss (1.03)(a) (1.19) (0.58) (1.10) (1.12) (1.39) Portfolio turnover 32 171 69 80 72 116 Net assets at end of period (000 Omitted) $59,547 $66,664 $89,290 $114,023 $141,307 $148,930 - --------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------- CLASS I 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $19.32 $19.22 $16.97 $16.86 $14.24 $19.41 - --------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.00)(w) $(0.03) $0.07 $(0.01) $(0.01) $(0.07) Net realized and unrealized gain (loss) on investments and foreign currency 1.70 0.13 2.18 0.12 2.63 (5.01) - --------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.70 $0.10 $2.25 $0.11 $2.62 $(5.08) - --------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $-- $-- $-- $-- $-- $(0.09) - --------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $21.02 $19.32 $19.22 $16.97 $16.86 $14.24 - --------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.80(n) 0.52 13.26 0.65(b) 18.40(j) (26.37) - --------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 0.98(a) 1.02 1.01 1.01 1.06 1.10 Expenses after expense reductions (f) 0.88(a) 0.92 0.91 0.96 N/A N/A Net investment income (loss) (0.03)(a) (0.17) 0.35 (0.06) (0.10) (0.39) Portfolio turnover 32 171 69 80 72 116 Net assets at end of period (000 Omitted) $902,566 $801,583 $633,593 $405,006 $163,758 $26,193 - --------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------ CLASS R 2/28/07 2006 2005 2004 2003(i) (UNAUDITED) Net asset value, beginning of period $18.69 $18.68 $16.58 $16.55 $13.92 - ---------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.05) $(0.13) $(0.03) $(0.09) $(0.06) Net realized and unrealized gain (loss) on investments and foreign currency 1.64 0.14 2.13 0.12 2.69 - ---------------------------------------------------------------------------------------------------------- Total from investment operations $1.59 $0.01 $2.10 $0.03 $2.63 - ---------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.28 $18.69 $18.68 $16.58 $16.55 - ---------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.51(n) 0.05 12.67 0.18(b) 18.89(j)(n) - ---------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ---------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.48(a) 1.51 1.53 1.49 1.60(a) Expenses after expense reductions (f) 1.38(a) 1.41 1.43 1.44 N/A Net investment loss (0.53)(a) (0.68) (0.16) (0.52) (0.60)(a) Portfolio turnover 32 171 69 80 72 Net assets at end of period (000 Omitted) $2,480 $2,582 $3,784 $1,982 $221 - ---------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ------------------ CLASS R1 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $17.76 $17.87 $17.19 - ---------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.11) $(0.23) $(0.08) Net realized and unrealized gain (loss) on investments and foreign currency 1.57 0.12 0.76 - ---------------------------------------------------------------------------------------------------------- Total from investment operations $1.46 $(0.11) $0.68 - ---------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.22 $17.76 $17.87 - ---------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.22(n) (0.62) 3.96(n) - ---------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ---------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.18(a) 2.22 2.23(a) Expenses after expense reductions (f) 1.98(a) 2.03 2.13(a) Net investment loss (1.13)(a) (1.27) (1.06)(a) Portfolio turnover 32 171 69 Net assets at end of period (000 Omitted) $444 $362 $204 - ---------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------- CLASS R2 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $17.85 $17.89 $17.19 - ---------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.07) $(0.16) $(0.05) Net realized and unrealized gain (loss) on investments and foreign currency 1.57 0.12 0.75 - ---------------------------------------------------------------------------------------------------------- Total from investment operations $1.50 $(0.04) $0.70 - ---------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.35 $17.85 $17.89 - ---------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.40(n) (0.22) 4.07(n) - ---------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ---------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.88(a) 1.92 1.95(a) Expenses after expense reductions (f) 1.63(a) 1.67 1.85(a) Net investment loss (0.78)(a) (0.89) (0.80)(a) Portfolio turnover 32 171 69 Net assets at end of period (000 Omitted) $818 $751 $133 - ---------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------- CLASS R3 2/28/07 2006 2005 2004(i) (UNAUDITED) Net asset value, beginning of period $18.57 $18.60 $16.55 $16.99 - --------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.07) $(0.16) $(0.10) $(0.10) Net realized and unrealized gain (loss) on investments and foreign currency 1.64 0.13 2.15 (0.34) - --------------------------------------------------------------------------------------------------------- Total from investment operations $1.57 $(0.03) $2.05 $(0.44) - --------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.14 $18.57 $18.60 $16.55 - --------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.45(n) (0.16) 12.39 (2.59)(b)(n) - --------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.73(a) 1.77 1.78 1.71(a) Expenses after expense reductions (f) 1.53(a) 1.58 1.68 1.66(a) Net investment loss (0.68)(a) (0.83) (0.53) (0.74)(a) Portfolio turnover 32 171 69 80 Net assets at end of period (000 Omitted) $906 $1,073 $822 $309 - --------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED --------------------- CLASS R4 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $18.77 $18.75 $17.98 - ---------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.03) $(0.11) $(0.03) Net realized and unrealized gain (loss) on investments and foreign currency 1.65 0.13 0.80 - ---------------------------------------------------------------------------------------------------- Total from investment operations $1.62 $0.02 $0.77 - ---------------------------------------------------------------------------------------------------- Net asset value, end of period $20.39 $18.77 $18.75 - ---------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.63(n) 0.11 4.28(n) - ---------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ---------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.37(a) 1.43 1.45(a) Expenses after expense reductions (f) 1.27(a) 1.33 1.35(a) Net investment loss (0.36)(a) (0.58) (0.37)(a) Portfolio turnover 32 171 69 Net assets at end of period (000 Omitted) $166 $52 $52 - ---------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ----------------- CLASS R5 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $18.85 $18.78 $17.98 - ---------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.01) $(0.06) $(0.01) Net realized and unrealized gain (loss) on investments and foreign currency 1.66 0.13 0.81 - ---------------------------------------------------------------------------------------------------- Total from investment operations $1.65 $0.07 $0.80 - ---------------------------------------------------------------------------------------------------- Net asset value, end of period $20.50 $18.85 $18.78 - ---------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.75(n) 0.37 4.45(n) - ---------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ---------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.07(a) 1.13 1.15(a) Expenses after expense reductions (f) 0.97(a) 1.03 1.05(a) Net investment loss (0.13)(a) (0.29) (0.07)(a) Portfolio turnover 32 171 69 Net assets at end of period (000 Omitted) $57 $52 $52 - ---------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------ CLASS 529A 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $18.62 $18.63 $16.55 $16.52 $14.03 $13.89 - ----------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.06) $(0.15) $(0.04) $(0.12) $(0.10) $(0.01) Net realized and unrealized gain (loss) on investments and foreign currency 1.64 0.14 2.12 0.15 2.59 0.15 - ----------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.58 $(0.01) $2.08 $0.03 $2.49 $0.14 - ----------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.20 $18.62 $18.63 $16.55 $16.52 $14.03 - ----------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 8.49(n) (0.05) 12.57 0.18(b) 17.75(j) 1.01(n) - ----------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.58(a) 1.62 1.62 1.61 1.67 1.70(a) Expenses after expense reductions (f) 1.48(a) 1.52 1.52 1.56 N/A N/A Net investment loss (0.63)(a) (0.77) (0.25) (0.68) (0.69) (0.74)(a) Portfolio turnover 32 171 69 80 72 116 Net assets at end of period (000 Omitted) $615 $531 $481 $394 $225 $5 - ----------------------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------ CLASS 529B 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $17.63 $17.76 $15.88 $15.97 $13.65 $13.52 - ----------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.12) $(0.26) $(0.15) $(0.22) $(0.19) $(0.02) Net realized and unrealized gain (loss) on investments and foreign currency 1.56 0.13 2.03 0.13 2.51 0.15 - ----------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.44 $(0.13) $1.88 $(0.09) $2.32 $0.13 - ----------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.07 $17.63 $17.76 $15.88 $15.97 $13.65 - ----------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 8.17(n) (0.73) 11.84 (0.56)(b) 17.00(j) 0.96(n) - ----------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.23(a) 2.27 2.27 2.25 2.33 2.35(a) Expenses after expense reductions (f) 2.13(a) 2.17 2.17 2.20 N/A N/A Net investment loss (1.28)(a) (1.42) (0.88) (1.31) (1.37) (1.39)(a) Portfolio turnover 32 171 69 80 72 116 Net assets at end of period (000 Omitted) $171 $164 $151 $143 $79 $5 - ----------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------ CLASS 529C 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $17.65 $17.78 $15.90 $15.99 $13.67 $13.54 - ----------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.12) $(0.26) $(0.16) $(0.22) $(0.19) $(0.02) Net realized and unrealized gain (loss) on investments and foreign currency 1.55 0.13 2.04 0.13 2.51 0.15 - ----------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.43 $(0.13) $1.88 $(0.09) $2.32 $0.13 - ----------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.08 $17.65 $17.78 $15.90 $15.99 $13.67 - ----------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 8.10(n) (0.73) 11.82 (0.56)(b) 16.97(j) 0.96(n) - ----------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.23(a) 2.27 2.27 2.25 2.30 2.35(a) Expenses after expense reductions (f) 2.13(a) 2.17 2.17 2.20 N/A N/A Net investment loss (1.28)(a) (1.43) (0.91) (1.29) (1.35) (1.38)(a) Portfolio turnover 32 171 69 80 72 116 Net assets at end of period (000 Omitted) $217 $307 $290 $221 $58 $5 - ----------------------------------------------------------------------------------------------------------------------- Any redemption fees charged by the fund during the 2004 and 2005 fiscal years resulted in a per share impact of less than $0.01. (a) Annualized. (b) The fund's net asset value and total return calculation include a non-recurring accrual recorded as a result of an administrative proceeding regarding disclosure of brokerage allocation practices in connection with fund sales. The non-recurring accrual did not have a material impact on the net asset value per share based on shares outstanding on the day the proceeds were recorded. (d) Per share data are based on average shares outstanding. (f) Ratios do not reflect reductions from fees paid indirectly. (i) For the period from the class' inception, December 31, 2002 (Class R), July 31, 2002 (Classes 529A, 529B, and 529C), October 31, 2003 (Class R3) and April 1, 2005 (Classes R1, R2, R4, and R5) through the stated period end. (j) The fund's net asset value and total return calculation include proceeds received on March 26, 2003 for the partial payment of a non-recurring litigation settlement from Cendant Corporation, recorded as a realized gain on investment transactions. The proceeds resulted in an increase in the net asset value of $0.01 per share based on shares outstanding on the day the proceeds were received. Excluding the effect of this payment from the ending net asset value per share, the Class A, Class B, Class C, Class I, Class R, Class 529A, Class 529B and Class 529C total returns for the year ended August 31, 2003 would have been lower by approximately 0.08%, 0.09%, 0.08%, 0.09%, 0.08%, 0.09%, 0.09%, and 0.09%, respectively. (n) Not annualized. (r) Certain expenses have been reduced without which performance would have been lower. (s) From time to time the fund may receive proceeds from litigation settlements, without which performance would be lower. (t) Total returns do not include any applicable sales charges. (w) Per share amount was less than $0.01. SEE NOTES TO FINANCIAL STATEMENTS NOTES TO FINANCIAL STATEMENTS (unaudited) (1) BUSINESS AND ORGANIZATION MFS Strategic Growth Fund (the fund) is a series of MFS Series Trust I (the trust). The trust is organized as a Massachusetts business trust and is registered under the Investment Company Act of 1940, as amended, as an open- end management investment company. (2) SIGNIFICANT ACCOUNTING POLICIES GENERAL - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The fund can invest in foreign securities, including securities of emerging market issuers. Investments in foreign securities are vulnerable to the effects of changes in the relative values of the local currency and the U.S. dollar and to the effects of changes in each country's legal, political, and economic environment. The markets of emerging markets countries are generally more volatile than the markets of developed countries with more mature economies. All of the risks of investing in foreign securities previously described are heightened when investing in emerging markets countries. INVESTMENT VALUATIONS - Equity securities, including restricted equity securities, are generally valued at the last sale or official closing price as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities for which there were no sales reported that day, equity securities are generally valued at the last quoted daily bid quotation as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities held short for which there were no sales reported for the day, the position is generally valued at the last quoted daily ask quotation as reported by an independent pricing service on the market or exchange on which such securities are primarily traded. Short-term instruments with a maturity at issuance of 60 days or less may be valued at amortized cost, which approximates market value. Open-end investment companies are generally valued at their net asset value per share. Securities and other assets generally valued on the basis of information from an independent pricing service may also be valued at a broker-dealer bid quotation. The values of foreign securities and other assets and liabilities expressed in foreign currencies are converted to U.S. dollars using the mean of bid and asked prices for rates reported by an independent pricing service. The Board of Trustees has delegated primary responsibility for determining or causing to be determined the value of the fund's investments (including any fair valuation) to the adviser pursuant to valuation policies and procedures approved by the Board. If the adviser determines that reliable market quotations are not readily available, investments are valued at fair value as determined in good faith by the adviser in accordance with such procedures under the oversight of the Board of Trustees. Under the fund's valuation policies and procedures, market quotations are not considered to be readily available for many types of debt instruments and certain types of derivatives. These investments are generally valued at fair value based on information from independent pricing services. In addition, investments may be valued at fair value if the adviser determines that an investment's value has been materially affected by events occurring after the close of the exchange or market on which the investment is principally traded (such as foreign exchange or market) and prior to the determination of the fund's net asset value, or after the halting of trading of a specific security where trading does not resume prior to the close of the exchange or market on which the security is principally traded. Events that occur on a frequent basis after foreign markets close (such as developments in foreign markets and significant movements in the U.S. markets) and prior to the determination of the fund's net asset value may be deemed to have a material affect on the value of securities traded in foreign markets. Accordingly, the fund's foreign equity securities may often be valued at fair value. The adviser may rely on independent pricing services or other information (such as the correlation with price movements of similar securities in the same or other markets; the type, cost and investment characteristics of the security; the business and financial condition of the issuer; and trading and other market data) to assist in determining whether to fair value and at what value to fair value an investment. The value of an investment for purposes of calculating the fund's net asset value can differ depending on the source and method used to determine value. When fair valuation is used, the value of investments used to determine the fund's net asset value may differ from quoted or published prices for the same investments. In September 2006, FASB Statement No. 157, Fair Value Measurements (the "Statement") was issued, and is effective for fiscal years beginning after November 15, 2007 and for all interim periods within those fiscal years. This Statement provides a single definition of fair value, a hierarchy for measuring fair value and expanded disclosures about fair value measurements. Management is evaluating the application of the Statement to the fund, and believes the impact will be limited to expanded disclosures resulting from the adoption of this Statement in the fund's financial statements. REPURCHASE AGREEMENTS - The fund may enter into repurchase agreements with institutions that the fund's investment adviser has determined are creditworthy. Each repurchase agreement is recorded at cost. The fund requires that the securities collateral in a repurchase transaction be transferred to the custodian in a manner sufficient to enable the fund to obtain those securities in the event of a default under the repurchase agreement. The fund monitors, on a daily basis, the value of the collateral to ensure that its value, including accrued interest, is greater than amounts owed to the fund under each such repurchase agreement. The fund and other funds managed by Massachusetts Financial Services Company (MFS), may utilize a joint trading account for the purpose of entering into one or more repurchase agreements. FOREIGN CURRENCY TRANSLATION - Purchases and sales of foreign investments, income, and expenses are converted into U.S. dollars based upon currency exchange rates prevailing on the respective dates of such transactions. Gains and losses attributable to foreign currency exchange rates on sales of securities are recorded for financial statement purposes as net realized gains and losses on investments. Gains and losses attributable to foreign exchange rate movements on income and expenses are recorded for financial statement purposes as foreign currency transaction gains and losses. That portion of both realized and unrealized gains and losses on investments that results from fluctuations in foreign currency exchange rates is not separately disclosed. SECURITY LOANS - State Street Bank and Trust Company ("State Street"), as lending agent, may loan the securities of the fund to certain qualified institutions (the "Borrowers") approved by the fund. The loans are collateralized at all times by cash and/or U.S. Treasury securities in an amount at least equal to the market value of the securities loaned. State Street provides the fund with indemnification against Borrower default. The fund bears the risk of loss with respect to the investment of cash collateral. On loans collateralized by cash, the cash collateral is invested in a money market fund or short-term securities. A portion of the income generated upon investment of the collateral is remitted to the Borrowers, and the remainder is allocated between the fund and the lending agent. On loans collateralized by U.S. Treasury securities, a fee is received from the Borrower, and is allocated between the fund and the lending agent. Net income from securities lending is included in interest income on the Statement of Operations. The dividend and interest income earned on the securities loaned is accounted for in the same manner as other dividend and interest income. INDEMNIFICATIONS - Under the fund's organizational documents, its officers and trustees may be indemnified against certain liabilities and expenses arising out of the performance of their duties to the fund. Additionally, in the normal course of business, the fund enters into agreements with service providers that may contain indemnification clauses. The fund's maximum exposure under these agreements is unknown as this would involve future claims that may be made against the fund that have not yet occurred. INVESTMENT TRANSACTIONS AND INCOME - Investment transactions are recorded on the trade date. Interest income is recorded on the accrual basis. All premium and discount is amortized or accreted for financial statement purposes in accordance with U.S. generally accepted accounting principles. All discount is accreted for tax reporting purposes as required by federal income tax regulations. Dividends received in cash are recorded on the ex-dividend date. Certain dividends from foreign securities will be recorded when the fund is informed of the dividend if such information is obtained subsequent to the ex- dividend date. Dividend and interest payments received in additional securities are recorded on the ex-dividend or ex-interest date in an amount equal to the value of the security on such date. The fund may receive proceeds from litigation settlements. Any proceeds received from litigation involving its portfolio holdings are reflected in realized gain/loss in the Statement of Operations, or in unrealized gain/loss if the security is still held by the fund. Any other proceeds from litigation not related to portfolio holdings are reflected as other income in the Statement of Operations. FEES PAID INDIRECTLY - The fund's custody fee is reduced according to an arrangement that measures the value of cash deposited with the custodian by the fund. This amount, for the six months ended February 28, 2007, is shown as a reduction of total expenses on the Statement of Operations. TAX MATTERS AND DISTRIBUTIONS - The fund intends to qualify as a regulated investment company, as defined under Subchapter M of the Internal Revenue Code, and to distribute all of its taxable income, including realized capital gains. Accordingly, no provision for federal income tax is required in the financial statements. Foreign taxes, if any, have been accrued by the fund in the accompanying financial statements. Distributions to shareholders are recorded on the ex-dividend date. Income and capital gain distributions are determined in accordance with income tax regulations, which may differ from U.S. generally accepted accounting principles. Certain capital accounts in the financial statements are periodically adjusted for permanent differences in order to reflect their tax character. These adjustments have no impact on net assets or net asset value per share. Temporary differences which arise from recognizing certain items of income, expense, gain or loss in different periods for financial statement and tax purposes will reverse at some time in the future. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. Book/tax differences primarily relate to net operating losses, defaulted bonds, and wash sale loss deferrals. The fund declared no distributions for the year ended August 31, 2006. The federal tax cost and the tax basis components of distributable earnings were as follows: AS OF 2/28/07 Cost of investments $1,568,544,563 ---------------------------------------------------------- Gross appreciation $133,585,031 Gross depreciation (39,912,185) ---------------------------------------------------------- Net unrealized appreciation (depreciation) $93,672,846 AS OF 8/31/06 Capital loss carryforwards (1,346,311,781) Other temporary differences (1,443,116) Net unrealized appreciation (depreciation) (3,609,355) The aggregate cost above includes prior fiscal year end tax adjustments. As of August 31, 2006, the fund had capital loss carryforwards available to offset future realized gains. Such losses expire as follows: 8/31/09 $(172,262,091) 8/31/10 (844,273,922) 8/31/11 (299,742,793) 8/31/12 (30,032,975) ------------------------------------------------- $(1,346,311,781) The availability of a portion of the capital loss carryforwards, which were acquired on June 10, 2005, in connection with the Managed Sectors Fund merger, may be limited in a given year. In June 2006, FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes (the "Interpretation") was issued, and is effective for fiscal years beginning after December 15, 2006 and is to be applied to all open tax years as of the effective date. On December 22, 2006, the SEC delayed the implementation of the Interpretation for regulated investment companies for an additional six months. This Interpretation prescribes a minimum threshold for financial statement recognition of the benefit of a tax position taken or expected to be taken in a tax return, and requires certain expanded disclosures. Management is evaluating the application of the Interpretation to the fund, and has not at this time determined the impact, if any, resulting from the adoption of this Interpretation on the fund's financial statements. MULTIPLE CLASSES OF SHARES OF BENEFICIAL INTEREST - The fund offers multiple classes of shares, which differ in their respective distribution and service fees. All shareholders bear the common expenses of the fund based on daily net assets of each class, without distinction between share classes. Dividends are declared separately for each class. Differences in per share dividend rates are generally due to differences in separate class expenses. Class B and Class 529B shares will convert to Class A and Class 529A shares, respectively, approximately eight years after purchase. (3) TRANSACTIONS WITH AFFILIATES INVESTMENT ADVISER - The fund has an investment advisory agreement with MFS to provide overall investment management and related administrative services and facilities to the fund. The management fee is computed daily and paid monthly at an annual rate of 0.75% of the fund's average daily net assets. As part of a settlement agreement with the New York Attorney General concerning market timing and related matters, MFS has agreed to reduce the management fee to 0.65% of the fund's average daily net assets for the period March 1, 2004 through February 28, 2009. For the six months ended February 28, 2007, this waiver amounted to $789,907 and is reflected as a reduction of total expenses in the Statement of Operations. The management fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.65% of the fund's average daily net assets. DISTRIBUTOR - MFS Fund Distributors, Inc. (MFD), a wholly-owned subsidiary of MFS, as distributor, received $16,419 and $121 for the six months ended February 28, 2007, as its portion of the initial sales charge on sales of Class A and Class 529A shares of the fund, respectively. The Board of Trustees has adopted a distribution plan for certain class shares pursuant to Rule 12b-1 of the Investment Company Act of 1940. The fund's distribution plan provides that the fund will pay MFD for services provided by MFD and financial intermediaries in connection with the distribution and servicing of certain share classes. One component of the plan is a distribution fee paid to MFD and another component of the plan is a service fee paid to MFD. MFD may subsequently pay all, or a portion, of the distribution and/or service fees to financial intermediaries. Distribution Fee Plan Table: TOTAL ANNUAL DISTRIBUTION DISTRIBUTION SERVICE DISTRIBUTION EFFECTIVE AND SERVICE FEE RATE FEE RATE PLAN(d) RATE(e) FEE Class A 0.10% 0.25% 0.35% 0.35% $723,688 Class B 0.75% 0.25% 1.00% 1.00% 1,177,008 Class C 0.75% 0.25% 1.00% 1.00% 323,032 Class R 0.25% 0.25% 0.50% 0.50% 6,446 Class R1 0.50% 0.25% 0.75% 0.75% 1,518 Class R2 0.25% 0.25% 0.50% 0.50% 2,008 Class R3 0.25% 0.25% 0.50% 0.50% 2,484 Class R4 -- 0.25% 0.25% 0.25% 86 Class 529A 0.25% 0.25% 0.50% 0.35% 993 Class 529B 0.75% 0.25% 1.00% 1.00% 855 Class 529C 0.75% 0.25% 1.00% 1.00% 1,401 - -------------------------------------------------------------------------------------------------------- Total Distribution and Service Fees $2,239,519 (d) In accordance with the distribution plan for certain classes, the fund pays distribution and/or service fees up to these annual percentage rates of each class' average daily net assets. (e) The annual effective rates represent actual fees incurred under the distribution plan for the six months ended February 28, 2007 based on each class' average daily net assets. 0.10% of the Class 529A distribution fee is currently being paid by the fund. Payment of the remaining 0.15% of the Class 529A distribution fee is not yet in effect and will be implemented on such date as the fund's Board of Trustees may determine. Certain Class A, Class C and Class 529C shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within 12 months of purchase. Class B and Class 529B shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within six years of purchase. All contingent deferred sales charges are paid to MFD and during the six months ended February 28, 2007, were as follows: AMOUNT Class A $7,305 Class B 177,828 Class C 2,314 Class 529B 278 Class 529C -- The fund has entered into and may from time to time enter into contracts with program managers and other parties which administer the tuition programs through which an investment in the fund's 529 share classes is made. The fund has entered into an agreement with MFD pursuant to which MFD receives an annual fee of up to 0.35% of the average daily net assets attributable to each 529 share class. The fee is based on average daily net assets and is currently established at 0.25% annually of average daily net assets of the fund's 529 share classes. The fee may only be increased with the approval of the Board of Trustees who oversees the fund. The services provided by MFD, or a third party with which MFD contracts, include recordkeeping and tax reporting and account services, as well as services designed to maintain the program's compliance with the Internal Revenue Code and other regulatory requirements. Program manager fees for the six months ended February 28, 2007, were as follows: AMOUNT Class 529A $709 Class 529B 214 Class 529C 350 -------------------------------------------------- Total Program Manager Fees $1,273 SHAREHOLDER SERVICING AGENT - MFS Service Center, Inc. (MFSC), a wholly-owned subsidiary of MFS, receives a fee from the fund for its services as shareholder servicing agent calculated as a percentage of the average daily net assets of the fund as determined periodically under the supervision of the fund's Board of Trustees. For the six months ended February 28, 2007, the fee was $602,073, which equated to 0.0762% annually of the fund's average daily net assets. Effective January 1, 2007, MFSC has entered into a sub-accounting agreement with SunLife Retirement Services (U.S.), Inc. (SRS), an affiliate of MFSC, on behalf of the fund to provide omnibus account services to the fund. MFSC pays SRS both an asset based fee and a per account charge of the assets held in the omnibus account. The fund then reimburses MFSC for the sub- accounting fees paid to SRS. For the six months ended February 28, 2007, the sub-accounting fee for SRS was $31,790, which equated to 0.0040% annually of the fund's average daily net assets. MFSC also receives payment from the fund for out-of-pocket and sub-accounting expenses. For the six months ended February 28, 2007, these out-of-pocket and sub-accounting costs amounted to $403,103. The fund may also pay shareholder servicing related costs directly to non-related parties. ADMINISTRATOR - MFS provides certain financial, legal, shareholder communications, compliance, and other administrative services to the fund. Under an administrative services agreement, the fund partially reimburses MFS the costs incurred to provide these services. The fund is charged a fixed amount plus a fee based on calendar year average net assets. The fund's annual fixed amount is $17,500. The administrative services fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.0178% of the fund's average daily net assets. In addition to the administrative services provided by MFS to the fund as described above, MFS is responsible for providing certain retirement plan administration and services with respect to certain shares. These services include various administrative, recordkeeping, and communication/educational services with respect to the retirement plans which invest in these shares, and may be provided directly by MFS or by a third party. MFS may subsequently pay all, or a portion, of the retirement plan administration and services fee to affiliated or unaffiliated third parties. For the six months ended February 28, 2007, the fund paid MFS an annual retirement plan administration and services fee up to the following annual percentage rates of each class' average daily net assets: ANNUAL EFFECTIVE TOTAL FEE RATE RATE(g) AMOUNT Class R1 0.45% 0.35% $911 Class R2 0.40% 0.25% 1,607 Class R3 0.25% 0.15% 1,242 Class R4 0.15% 0.15% 52 Class R5 0.10% 0.10% 28 - -------------------------------------------------------------------------------- Total Retirement Plan Administration and Services Fees $3,840 (g) MFS has agreed in writing to waive a portion of the retirement plan administration and services fee equal to 0.10% for Class R1 shares, 0.15% for Class R2 shares, and 0.10% for Class R3 shares. This agreement will continue until at least September 30, 2008. For the six months ended February 28, 2007, this waiver amounted to $1,302 and is reflected as a reduction of total expenses in the Statement of Operations. TRUSTEES' AND OFFICERS' COMPENSATION - The fund pays compensation to independent trustees in the form of a retainer, attendance fees, and additional compensation to Board and Committee chairpersons. The fund does not pay compensation directly to trustees or officers of the fund who are also officers of the investment adviser, all of whom receive remuneration for their services to the fund from MFS. Certain officers and trustees of the fund are officers or directors of MFS, MFD, and MFSC. The fund has an unfunded, defined benefit plan for certain retired independent trustees which resulted in a pension expense of $763. The fund also has an unfunded retirement benefit deferral plan for certain independent trustees which resulted in an expense of $5,573. Both amounts are included in independent trustees' compensation for the six months ended February 28, 2007. The liability for deferred retirement benefits payable to certain independent trustees under both plans amounted to $61,164 at February 28, 2007, and is included in payable for independent trustees' compensation. DEFERRED TRUSTEE COMPENSATION - Under a Deferred Compensation Plan (the Plan) independent trustees previously were allowed to elect to defer receipt of all or a portion of their annual compensation. Trustees are no longer allowed to defer compensation under the Plan. Amounts previously deferred are treated as though equivalent dollar amounts had been invested in shares of the fund or other MFS funds selected by the trustee. Deferred amounts represent an unsecured obligation of the fund until distributed in accordance with the Plan. Included in other assets and payable for independent trustees' compensation is $3,923 of deferred trustees' compensation. OTHER - This fund and certain other MFS funds (the funds) have entered into a services agreement (the Agreement) which provides for payment of fees by the funds to Tarantino LLC in return for the provision of services of an Independent Chief Compliance Officer (ICCO) for the funds. The ICCO is an officer of the funds and the sole member of Tarantino LLC. The funds can terminate the Agreement with Tarantino LLC at any time under the terms of the Agreement. For the six months ended February 28, 2007, the fee paid to Tarantino LLC was $6,250. MFS has agreed to reimburse the fund for a portion of the payments made by the funds to Tarantino LLC in the amount of $4,177, which is shown as a reduction of total expenses in the Statement of Operations. Additionally, MFS has agreed to bear all expenses associated with office space, other administrative support, and supplies provided to the ICCO. (4) PORTFOLIO SECURITIES Purchases and sales of investments, other than U.S. government securities, purchased option transactions, and short-term obligations, aggregated $486,318,949 and $578,570,760, respectively. (5) SHARES OF BENEFICIAL INTEREST The fund's Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional shares of beneficial interest. Transactions in fund shares were as follows: SIX MONTHS ENDED YEAR ENDED 2/28/07(h) 8/31/06(h) SHARES AMOUNT SHARES AMOUNT Shares sold Class A 1,679,323 $34,024,626 4,377,994 $83,738,691 Class B 271,945 5,146,624 831,375 15,209,822 Class C 78,373 1,494,684 260,061 4,776,584 Class I 2,271,955 47,457,818 8,989,008 177,217,230 Class R 9,182 181,372 25,065 477,701 Class R1 21,638 424,969 11,694 218,511 Class R2 37,923 754,220 39,226 724,819 Class R3 46,657 957,556 29,585 549,177 Class R4 5,382 112,156 -- -- Class 529A 4,184 84,282 7,044 131,184 Class 529B 692 13,163 1,519 27,095 Class 529C 979 18,485 3,416 63,535 - -------------------------------------------------------------------------------------------------- 4,428,233 $90,669,955 14,575,987 $283,134,349 Shares reacquired Class A (4,459,074) $(90,066,607) (9,985,755) $(191,838,092) Class B (3,287,214) (62,705,721) (8,233,984) (149,909,261) Class C (732,682) (13,990,811) (1,504,250) (27,523,677) Class I (825,834) (17,052,910) (463,984) (9,172,412) Class R (25,034) (501,011) (89,429) (1,705,603) Class R1 (18,874) (371,654) (2,748) (49,551) Class R2 (37,744) (751,011) (4,590) (80,306) Class R3 (59,463) (1,213,577) (16,005) (305,472) Class R4 -- -- -- -- Class 529A (2,255) (44,438) (4,306) (80,216) Class 529B (1,028) (19,481) (693) (12,635) Class 529C (7,029) (133,261) (2,322) (43,033) - ---------------------------------------------------------------------------------------------------- (9,456,231) $(186,850,482) (20,308,066) $(380,720,258) Net change Class A (2,779,751) $(56,041,981) (5,607,761) $(108,099,401) Class B (3,015,269) (57,559,097) (7,402,609) (134,699,439) Class C (654,309) (12,496,127) (1,244,189) (22,747,093) Class I 1,446,121 30,404,908 8,525,024 168,044,818 Class R (15,852) (319,639) (64,364) (1,227,902) Class R1 2,764 53,315 8,946 168,960 Class R2 179 3,209 34,636 644,513 Class R3 (12,806) (256,021) 13,580 243,705 Class R4 5,382 112,156 -- -- Class 529A 1,929 39,844 2,738 50,968 Class 529B (336) (6,318) 826 14,460 Class 529C (6,050) (114,776) 1,094 20,502 - ---------------------------------------------------------------------------------------------------- (5,027,998) $(96,180,527) (5,732,079) $(97,585,909) (h) Class R5 had no operating activity. The fund is one of several mutual funds in which the MFS funds-of-funds may invest. The MFS funds-of-funds do not invest in the underlying MFS funds for the purpose of exercising management or control. At the end of the period, the MFS Aggressive Growth Allocation Fund, MFS Conservative Allocation Fund, MFS Growth Allocation Fund and MFS Moderate Allocation Fund were the owners of record of approximately 16%, 2%, 24%, and 14%, respectively, of the value of outstanding voting shares. In addition, the MFS Lifetime 2010 Fund, MFS Lifetime 2020 Fund, MFS Lifetime 2030 Fund and the MFS Lifetime 2040 Fund were each the owners of record of less than 1% of the value of outstanding voting shares. (6) LINE OF CREDIT The fund and other funds managed by MFS participate in a $1 billion unsecured committed line of credit provided by a syndication of banks under a credit agreement. In addition, the fund and other funds managed by MFS have established uncommitted borrowing arrangements with certain banks. Borrowings may be made for temporary financing needs. Interest is charged to each fund, based on its borrowings, generally at a rate equal to the Federal Reserve funds rate plus 0.35%. In addition, a commitment fee, based on the average daily, unused portion of the committed line of credit, is allocated among the participating funds at the end of each calendar quarter. For the six months ended February 28, 2007, the fund's commitment fee and interest expense were $4,840 and $0, respectively, and are included in miscellaneous expense on the Statement of Operations. (7) SUBSEQUENT EVENTS Effective March 31, 2007, Class 529A, Class 529B, and Class 529C shares of the MFS Strategic Growth Fund were terminated. On February 28, 2007, the Trustees of the fund approved the proposed Agreement and Plan of Reorganization, whereby MFS Strategic Growth Fund would be reorganized in MFS Core Growth Fund. The Agreement and Plan of Reorganization provides for the transfer of the assets of the MFS Strategic Growth Fund to the MFS Core Growth Fund and the assumption by the MFS Core Growth Fund of the liabilities of the MFS Strategic Growth Fund in exchange solely for shares of beneficial interest in the MFS Core Growth Fund. Immediately following the transfer, the MFS Core Growth Fund shares received by the MFS Strategic Growth Fund will be distributed to shareholders, pro rata, and the MFS Strategic Growth Fund will be liquidated and terminated. If approved by shareholders, it is expected that the reorganization will occur on or around June 22, 2007. BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT A discussion regarding the Board's most recent review and renewal of the Fund's investment advisory agreement is available by clicking on the fund's name under "Select a fund" on the MFS Web site (mfs.com). PROXY VOTING POLICIES AND INFORMATION A general description of the MFS funds' proxy voting policies and procedures is available without charge, upon request, by calling 1-800-225-2606, by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. Information regarding how the fund voted proxies relating to portfolio securities during the most recent twelve-month period ended June 30 is available without charge by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. QUARTERLY PORTFOLIO DISCLOSURE The fund will file a complete schedule of portfolio holdings with the Securities and Exchange Commission (the Commission) for the first and third quarters of each fiscal year on Form N-Q. The fund's Form N-Q may be reviewed and copied at the: Public Reference Room Securities and Exchange Commission 100 F Street, NE, Room 1580 Washington, D.C. 20549 Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-202-551-5850. The fund's Form N-Q is available on the EDGAR database on the Commission's Internet Web site at http://www.sec.gov, and copies of this information may be obtained, upon payment of a duplicating fee, by electronic request at the following e-mail address: publicinfo@sec.gov or by writing the Public Reference Section at the above address. A shareholder can also obtain the quarterly portfolio holdings report at mfs.com. CONTACT US WEB SITE MAILING ADDRESS mfs.com MFS Service Center, Inc. P.O. Box 55824 MFS TALK Boston, MA 02205-5824 1-800-637-8255 24 hours a day OVERNIGHT MAIL MFS Service Center, Inc. ACCOUNT SERVICE AND 500 Boylston Street LITERATURE Boston, MA 02116-3741 SHAREHOLDERS 1-800-225-2606 8 a.m. to 8 p.m. ET INVESTMENT PROFESSIONALS 1-800-343-2829 8 a.m. to 8 p.m. ET RETIREMENT PLAN SERVICES 1-800-637-1255 8 a.m. to 8 p.m. ET - ------------------------------------------------------------------------------- Go paperless with eDELIVERY: Arrange to have MFS send prospectuses, reports, and proxies directly to your e-mail inbox. You'll get timely information and less clutter in your mailbox (not to mention help your fund save printing and postage costs). SIGN UP: If your account is registered with us, simply go to mfs.com, log in to your account via MFS Access, and select the eDelivery sign up options. If you own your MFS fund shares through a financial institution or a retirement plan, MFS TALK, MFS Access, and eDelivery may not be available to you. - ------------------------------------------------------------------------------- M F S(R) INVESTMENT MANAGEMENT M F S(R) INVESTMENT MANAGEMENT [graphic omitted] Semiannual report MFS(R) CORE EQUITY FUND LETTER FROM THE CEO 1 - --------------------------------------------------------- PORTFOLIO COMPOSITION 2 - --------------------------------------------------------- EXPENSE TABLE 3 - --------------------------------------------------------- PORTFOLIO OF INVESTMENTS 5 - --------------------------------------------------------- STATEMENT OF ASSETS AND LIABILITIES 14 - --------------------------------------------------------- STATEMENT OF OPERATIONS 17 - --------------------------------------------------------- STATEMENTS OF CHANGES IN NET ASSETS 18 - --------------------------------------------------------- FINANCIAL HIGHLIGHTS 19 - --------------------------------------------------------- NOTES TO FINANCIAL STATEMENTS 29 - --------------------------------------------------------- BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT 39 - --------------------------------------------------------- PROXY VOTING POLICIES AND INFORMATION 39 - --------------------------------------------------------- QUARTERLY PORTFOLIO DISCLOSURE 39 - --------------------------------------------------------- CONTACT INFORMATION BACK COVER - --------------------------------------------------------- THE REPORT IS PREPARED FOR THE GENERAL INFORMATION OF SHAREHOLDERS. IT IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY WHEN PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS. - ------------------------------------------------------------------------------ NOT FDIC INSURED o MAY LOSE VALUE o NO BANK OR CREDIT UNION GUARANTEE o NOT A DEPOSIT o NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY OR NCUA/NCUSIF - ------------------------------------------------------------------------------ 2/28/07 RGI-SEM [Photo of Robert J. Manning] LETTER FROM THE CEO Dear Shareholders: The past year has been a great example of why investors should keep their eyes on the long term. In 2006 the Dow Jones Industrial Average returned 19%. In February 2007 it hit its all-time high of 12,787. Less than a week later, stocks sold off around the globe. By March 5 the Dow was off 5.8%. That is a sign of volatile markets and a reason investors should make sure they have an investment plan that can ride out the peaks and troughs. If you are focused on a long-term investment strategy, the short-term ups and downs of the markets should not necessarily dictate portfolio action on your part. Both the bond and stock markets are inherently cyclical. In our view, investors who remain committed to a long-term plan are more likely to achieve their financial goals. We believe you should not let the headlines guide you in your investment decisions and that there is no sense in reacting to short- term volatility. In any market environment, we believe individual investors are best served by following a three-pronged investment strategy of allocating their holdings across the major asset classes, diversifying within each class, and regularly rebalancing their portfolios to maintain their desired allocations. Of course, these strategies cannot guarantee a profit or protect against a loss. Investing and planning for the long term require diligence and patience, two traits that in our experience are essential to capitalizing on the many opportunities the financial markets can offer -- through both up and down economic cycles. Respectfully, /s/ Robert J. Manning Robert J. Manning Chief Executive Officer and Chief Investment Officer MFS Investment Management(R) April 16, 2007 The opinions expressed in this letter are subject to change, may not be relied upon for investment advice, and no forecasts canbe guaranteed. PORTFOLIO COMPOSITION PORTFOLIO STRUCTURE Common Stocks 99.3% Cash & Other Net Assets 0.7% TOP TEN HOLDINGS Exxon Mobil Corp. 2.9% ------------------------------------------------- Altria Group, Inc. 2.5% ------------------------------------------------- Wyeth 1.8% ------------------------------------------------- JPMorgan Chase & Co. 1.6% ------------------------------------------------- Bank of America Corp. 1.6% ------------------------------------------------- Eli Lilly & Co. 1.5% ------------------------------------------------- AT&T, Inc. 1.5% ------------------------------------------------- Rockwell Automation, Inc. 1.3% ------------------------------------------------- Countrywide Financial Corp. 1.3% ------------------------------------------------- United Technologies Corp. 1.3% ------------------------------------------------- EQUITY SECTORS Financial Services 21.7% ------------------------------------------------- Technology 13.9% ------------------------------------------------- Health Care 12.0% ------------------------------------------------- Energy 8.0% ------------------------------------------------- Utilities & Communications 7.8% ------------------------------------------------- Industrial Goods & Services 6.7% ------------------------------------------------- Retailing 6.4% ------------------------------------------------- Consumer Staples 6.4% ------------------------------------------------- Leisure 6.0% ------------------------------------------------- Basic Materials 4.5% ------------------------------------------------- Special Products & Services 2.2% ------------------------------------------------- Autos & Housing 1.9% ------------------------------------------------- Transportation 1.8% ------------------------------------------------- Percentages are based on net assets as of 02/28/07. The portfolio is actively managed and current holdings may be different. EXPENSE TABLE Fund expenses borne by the shareholders during the period, September 1, 2006 through February 28, 2007 As a shareholder of the fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on certain purchase or redemption payments and redemption fees on certain exchanges and redemptions, and (2) ongoing costs, including management fees; distribution and service (12b-1) fees; and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the period and held for the entire period September 1, 2006 through February 28, 2007. ACTUAL EXPENSES The first line for each share class in the following table provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each share class in the following table provides information about hypothetical account values and hypothetical expenses based on the fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as sales charges (loads) or redemption fees. Therefore, the second line for each share class in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. - ------------------------------------------------------------------------------- Expenses Paid During Annualized Beginning Ending Period(p) Share Expense Account Value Account Value 9/01/06- Class Ratio 9/01/06 2/28/07 2/28/07 - -------------------------------------------------------------------------------- Actual 1.32% $1,000.00 $1,119.40 $6.94 A --------------------------------------------------------------------------- Hypothetical(h) 1.32% $1,000.00 $1,018.25 $6.61 - -------------------------------------------------------------------------------- Actual 1.97% $1,000.00 $1,115.20 $10.33 B --------------------------------------------------------------------------- Hypothetical(h) 1.97% $1,000.00 $1,015.03 $9.84 - -------------------------------------------------------------------------------- Actual 1.97% $1,000.00 $1,115.10 $10.33 C --------------------------------------------------------------------------- Hypothetical(h) 1.97% $1,000.00 $1,015.03 $9.84 - -------------------------------------------------------------------------------- Actual 0.97% $1,000.00 $1,120.70 $5.10 I --------------------------------------------------------------------------- Hypothetical(h) 0.97% $1,000.00 $1,019.98 $4.86 - -------------------------------------------------------------------------------- Actual 1.47% $1,000.00 $1,118.40 $7.72 R --------------------------------------------------------------------------- Hypothetical(h) 1.47% $1,000.00 $1,017.50 $7.35 - -------------------------------------------------------------------------------- Actual 2.07% $1,000.00 $1,114.90 $10.85 R1 --------------------------------------------------------------------------- Hypothetical(h) 2.07% $1,000.00 $1,014.53 $10.34 - -------------------------------------------------------------------------------- Actual 1.72% $1,000.00 $1,117.30 $9.03 R2 --------------------------------------------------------------------------- Hypothetical(h) 1.72% $1,000.00 $1,016.27 $8.60 - -------------------------------------------------------------------------------- Actual 1.62% $1,000.00 $1,117.30 $8.50 R3 --------------------------------------------------------------------------- Hypothetical(h) 1.62% $1,000.00 $1,016.76 $8.10 - -------------------------------------------------------------------------------- Actual 1.37% $1,000.00 $1,118.90 $7.20 R4 --------------------------------------------------------------------------- Hypothetical(h) 1.37% $1,000.00 $1,018.00 $6.85 - -------------------------------------------------------------------------------- Actual 1.07% $1,000.00 $1,120.00 $5.62 R5 --------------------------------------------------------------------------- Hypothetical(h) 1.07% $1,000.00 $1,019.49 $5.36 - -------------------------------------------------------------------------------- (h) 5% class return per year before expenses. (p) Expenses paid is equal to each class' annualized expense ratio, as shown above, multiplied by the average account value over the period, multiplied by the number of days in the period, divided by the number of days in the year. Expenses paid do not include any applicable sales charges (loads) or redemption fees. If these transaction costs had been included, your costs would have been higher. PORTFOLIO OF INVESTMENTS 2/28/07 (unaudited) The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes. Common Stocks - 99.3% - ---------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - ---------------------------------------------------------------------------------------------- Aerospace - 2.7% - ---------------------------------------------------------------------------------------------- Lockheed Martin Corp. 19,900 $ 1,935,872 Precision Castparts Corp. 15,490 1,409,125 United Technologies Corp. 46,440 3,047,857 ------------ $ 6,392,854 - ---------------------------------------------------------------------------------------------- Apparel Manufacturers - 0.9% - ---------------------------------------------------------------------------------------------- NIKE, Inc., "B" 16,170 $ 1,689,280 Under Armour, Inc. (a) 12,060 554,157 ------------ $ 2,243,437 - ---------------------------------------------------------------------------------------------- Automotive - 1.2% - ---------------------------------------------------------------------------------------------- Harley-Davidson, Inc. 9,250 $ 609,575 Johnson Controls, Inc. 16,340 1,532,692 Sauer-Danfoss, Inc. (l) 22,910 846,295 ------------ $ 2,988,562 - ---------------------------------------------------------------------------------------------- Biotechnology - 2.2% - ---------------------------------------------------------------------------------------------- Amgen, Inc. (a) 38,160 $ 2,452,162 Celgene Corp. (a) 14,020 747,266 Genzyme Corp. (a) 10,940 676,092 Human Genome Sciences, Inc. (a) 30,160 331,760 Millipore Corp. (a) 11,360 812,467 Neurochem, Inc. (a)(l) 13,510 197,922 ------------ $ 5,217,669 - ---------------------------------------------------------------------------------------------- Broadcasting - 2.3% - ---------------------------------------------------------------------------------------------- News Corp., "A" 107,140 $ 2,413,864 Viacom, Inc., "B" (a) 54,180 2,115,187 Walt Disney Co. 30,600 1,048,356 ------------ $ 5,577,407 - ---------------------------------------------------------------------------------------------- Brokerage & Asset Managers - 3.4% - ---------------------------------------------------------------------------------------------- Affiliated Managers Group, Inc. (a)(l) 6,010 $ 682,135 Chicago Mercantile Exchange Holdings, Inc., "A" 1,711 922,451 Franklin Resources, Inc. 4,280 502,429 Goldman Sachs Group, Inc. 8,990 1,812,384 Lazard Ltd. (l) 37,410 1,926,241 Legg Mason, Inc. (l) 22,140 2,274,664 ------------ $ 8,120,304 - ---------------------------------------------------------------------------------------------- Business Services - 1.2% - ---------------------------------------------------------------------------------------------- Cognizant Technology Solutions Corp., "A" (a) 8,400 $ 757,680 Fidelity National Information Services, Inc. 11,900 546,805 First Data Corp. 27,070 691,097 Global Payments, Inc. 12,370 475,874 Satyam Computer Services Ltd., ADR (l) 16,840 363,070 ------------ $ 2,834,526 - ---------------------------------------------------------------------------------------------- Cable TV - 0.8% - ---------------------------------------------------------------------------------------------- Cablevision Systems Corp., "A" 23,600 $ 695,256 Comcast Corp., "Special A" (a) 45,270 1,152,122 ------------ $ 1,847,378 - ---------------------------------------------------------------------------------------------- Chemicals - 1.2% - ---------------------------------------------------------------------------------------------- Monsanto Co. 52,860 $ 2,785,193 - ---------------------------------------------------------------------------------------------- Computer Software - 3.7% - ---------------------------------------------------------------------------------------------- Adobe Systems, Inc. (a) 56,270 $ 2,208,598 CommVault Systems, Inc. (a) 20,410 339,418 McAfee, Inc. (a) 39,360 1,185,523 MSC.Software Corp. (a)(l) 89,176 1,199,417 Oracle Corp. (a) 153,050 2,514,612 salesforce.com, Inc. (a)(l) 4,310 186,451 Symantec Corp. (a) 44,150 754,965 Transaction Systems Architects, Inc. (a) 13,780 486,434 ------------ $ 8,875,418 - ---------------------------------------------------------------------------------------------- Computer Software - Systems - 2.1% - ---------------------------------------------------------------------------------------------- Apple Computer, Inc. (a) 15,810 $ 1,337,684 Hewlett-Packard Co. 58,090 2,287,584 International Business Machines Corp. 16,500 1,534,665 ------------ $ 5,159,933 - ---------------------------------------------------------------------------------------------- Construction - 0.7% - ---------------------------------------------------------------------------------------------- D.R. Horton, Inc. (l) 15,060 $ 382,072 Masco Corp. 42,470 1,267,730 ------------ $ 1,649,802 - ---------------------------------------------------------------------------------------------- Consumer Goods & Services - 3.2% - ---------------------------------------------------------------------------------------------- Avon Products, Inc. 38,140 $ 1,398,212 eBay, Inc. (a) 17,580 563,615 Estee Lauder Cos., Inc., "A" 32,400 1,551,312 ITT Educational Services, Inc. (a) 7,900 631,842 Monster Worldwide, Inc. (a) 13,200 658,152 Physicians Formula Holdings, Inc. (a) 3,370 68,175 Scotts Miracle-Gro Co. 51,080 2,253,139 Strayer Education, Inc. 4,010 472,739 ------------ $ 7,597,186 - ---------------------------------------------------------------------------------------------- Containers - 0.5% - ---------------------------------------------------------------------------------------------- Crown Holdings, Inc. (a) 20,150 $ 460,226 Owens-Illinois, Inc. (a) 22,780 541,253 Smurfit-Stone Container Corp. (a) 26,650 328,861 ------------ $ 1,330,340 - ---------------------------------------------------------------------------------------------- Electrical Equipment - 1.9% - ---------------------------------------------------------------------------------------------- MSC Industrial Direct Co., Inc., "A" 6,970 $ 300,686 Rockwell Automation, Inc. 51,900 3,222,471 Tyco International Ltd. 32,040 987,793 ------------ $ 4,510,950 - ---------------------------------------------------------------------------------------------- Electronics - 3.5% - ---------------------------------------------------------------------------------------------- Applied Materials, Inc. 41,380 $ 768,427 ASML Holding N.V. (a) 27,930 686,519 Hittite Microwave Corp. (a)(l) 14,040 588,838 Intel Corp. 138,170 2,742,675 Intersil Corp., "A" 19,490 515,511 Marvell Technology Group Ltd. (a) 63,110 1,295,017 NetLogic Microsystems, Inc. (a)(l) 23,470 585,342 SanDisk Corp. (a) 35,220 1,282,712 ------------ $ 8,465,041 - ---------------------------------------------------------------------------------------------- Energy - Independent - 2.0% - ---------------------------------------------------------------------------------------------- Apache Corp. 12,670 $ 868,275 CONSOL Energy, Inc. 11,900 424,473 Devon Energy Corp. 15,890 1,044,132 EOG Resources, Inc. 16,870 1,142,774 Occidental Petroleum Corp. 30,210 1,395,098 ------------ $ 4,874,752 - ---------------------------------------------------------------------------------------------- Energy - Integrated - 4.8% - ---------------------------------------------------------------------------------------------- Chevron Corp. 40,390 $ 2,771,158 Exxon Mobil Corp. 97,062 6,957,404 Hess Corp. 35,530 1,884,867 ------------ $ 11,613,429 - ---------------------------------------------------------------------------------------------- Engineering - Construction - 0.6% - ---------------------------------------------------------------------------------------------- North American Energy Partners, Inc. (a) 70,650 $ 1,351,535 - ---------------------------------------------------------------------------------------------- Food & Beverages - 1.7% - ---------------------------------------------------------------------------------------------- General Mills, Inc. 16,780 $ 945,721 Kellogg Co. 23,850 1,190,592 PepsiCo, Inc. 21,789 1,375,975 Tyson Foods, Inc., "A" 36,520 666,490 ------------ $ 4,178,778 - ---------------------------------------------------------------------------------------------- Food & Drug Stores - 1.0% - ---------------------------------------------------------------------------------------------- CVS Corp. 28,960 $ 909,634 Kroger Co. 26,240 673,581 SUPERVALU, Inc. 25,770 952,459 ------------ $ 2,535,674 - ---------------------------------------------------------------------------------------------- Forest & Paper Products - 0.2% - ---------------------------------------------------------------------------------------------- MeadWestvaco Corp. 18,450 $ 561,803 - ---------------------------------------------------------------------------------------------- Gaming & Lodging - 0.9% - ---------------------------------------------------------------------------------------------- Hilton Hotels Corp. 21,170 $ 747,301 International Game Technology 16,760 691,350 Penn National Gaming, Inc. (a)(l) 10,180 474,693 Royal Caribbean Cruises Ltd. (l) 4,170 169,010 ------------ $ 2,082,354 - ---------------------------------------------------------------------------------------------- General Merchandise - 1.6% - ---------------------------------------------------------------------------------------------- Family Dollar Stores, Inc. 40,490 $ 1,172,995 Federated Department Stores, Inc. 43,170 1,927,972 Stage Stores, Inc. 34,715 761,300 ------------ $ 3,862,267 - ---------------------------------------------------------------------------------------------- Health Maintenance Organizations - 1.2% - ---------------------------------------------------------------------------------------------- UnitedHealth Group, Inc. 33,920 $ 1,770,624 WellPoint, Inc. (a) 13,910 1,104,315 ------------ $ 2,874,939 - ---------------------------------------------------------------------------------------------- Insurance - 3.7% - ---------------------------------------------------------------------------------------------- Aflac, Inc. 19,470 $ 918,984 Allied World Assurance Co. Holdings Ltd. 25,690 1,071,016 Chubb Corp. 31,360 1,600,928 Genworth Financial, Inc., "A" 37,070 1,311,166 MetLife, Inc. 26,290 1,660,214 Prudential Financial, Inc. 3,560 323,746 Travelers Cos., Inc. 41,010 2,081,668 ------------ $ 8,967,722 - ---------------------------------------------------------------------------------------------- Internet - 0.9% - ---------------------------------------------------------------------------------------------- CNET Networks, Inc. (a)(l) 87,850 $ 771,323 Google, Inc., "A" (a) 2,390 1,074,186 Move, Inc. (a) 73,660 439,750 ------------ $ 2,285,259 - ---------------------------------------------------------------------------------------------- Leisure & Toys - 0.5% - ---------------------------------------------------------------------------------------------- Electronic Arts, Inc. (a) 8,390 $ 423,024 Scientific Games Corp. (a)(l) 8,300 271,410 THQ, Inc. (a) 13,790 444,176 ------------ $ 1,138,610 - ---------------------------------------------------------------------------------------------- Machinery & Tools - 1.5% - ---------------------------------------------------------------------------------------------- Deere & Co. 21,520 $ 2,333,198 Eaton Corp. 16,890 1,368,259 ------------ $ 3,701,457 - ---------------------------------------------------------------------------------------------- Major Banks - 6.2% - ---------------------------------------------------------------------------------------------- Bank of America Corp. 75,034 $ 3,816,980 Bank of New York Co., Inc. 61,320 2,490,818 JPMorgan Chase & Co. 79,660 3,935,204 PNC Financial Services Group, Inc. 11,450 839,400 State Street Corp. 41,260 2,702,943 SunTrust Banks, Inc. 13,970 1,177,811 ------------ $ 14,963,156 - ---------------------------------------------------------------------------------------------- Medical & Health Technology & Services - 0.9% - ---------------------------------------------------------------------------------------------- Cardinal Health, Inc. 4,570 $ 320,311 Healthcare Services Group, Inc. (l) 24,920 698,757 McKesson Corp. 5,860 326,754 MWI Veterinary Supply, Inc. (a) 25,800 800,574 ------------ $ 2,146,396 - ---------------------------------------------------------------------------------------------- Medical Equipment - 2.3% - ---------------------------------------------------------------------------------------------- Advanced Medical Optics, Inc. (a)(l) 22,710 $ 875,243 Aspect Medical Systems, Inc. (a)(l) 66,430 1,072,845 Boston Scientific Corp. (a) 88,550 1,444,251 Cooper Cos., Inc. (l) 11,210 514,427 Cyberonics, Inc. (a)(l) 24,390 499,507 St. Jude Medical, Inc. (a) 17,770 704,581 Thoratec Corp. (a)(l) 23,740 466,491 ------------ $ 5,577,345 - ---------------------------------------------------------------------------------------------- Metals & Mining - 0.8% - ---------------------------------------------------------------------------------------------- BHP Billiton PLC 78,190 $ 1,568,268 Inmet Mining Corp. 9,560 481,943 ------------ $ 2,050,211 - ---------------------------------------------------------------------------------------------- Natural Gas - Pipeline - 0.8% - ---------------------------------------------------------------------------------------------- Williams Co., Inc. 75,170 $ 2,027,335 - ---------------------------------------------------------------------------------------------- Network & Telecom - 2.3% - ---------------------------------------------------------------------------------------------- Cisco Systems, Inc. (a) 110,550 $ 2,867,667 NICE Systems Ltd., ADR (a) 33,560 1,148,759 Nortel Networks Corp. (a) 26,776 802,744 Sonus Networks, Inc. (a)(l) 80,230 616,969 ------------ $ 5,436,139 - ---------------------------------------------------------------------------------------------- Oil Services - 1.2% - ---------------------------------------------------------------------------------------------- Dresser-Rand Group, Inc. (a) 29,290 $ 760,661 National-Oilwell Varco, Inc. (a) 5,380 374,663 Natural Gas Services Group, Inc. (a)(l) 25,450 335,940 Noble Corp. 20,000 1,404,400 ------------ $ 2,875,664 - ---------------------------------------------------------------------------------------------- Other Banks & Diversified Financials - 5.8% - ---------------------------------------------------------------------------------------------- American Express Co. 50,580 $ 2,876,485 Bank of Hawaii Corp. 20,210 1,045,261 Commerce Bancorp, Inc. (l) 77,540 2,591,387 Countrywide Financial Corp. 80,660 3,087,665 Fannie Mae 32,080 1,819,898 SLM Corp. 59,950 2,555,069 ------------ $ 13,975,765 - ---------------------------------------------------------------------------------------------- Personal Computers & Peripherals - 1.4% - ---------------------------------------------------------------------------------------------- EMC Corp. (a) 140,500 $ 1,959,975 Network Appliance, Inc. (a) 20,300 785,001 Nuance Communications, Inc. (a) 40,500 570,645 ------------ $ 3,315,621 - ---------------------------------------------------------------------------------------------- Pharmaceuticals - 5.4% - ---------------------------------------------------------------------------------------------- Allergan, Inc. 18,740 $ 2,093,445 Bristol-Myers Squibb Co. 72,720 1,919,081 Eli Lilly & Co. 67,460 3,551,094 Endo Pharmaceuticals Holdings, Inc. (a) 16,960 529,322 Medicis Pharmaceutical Corp., "A" (l) 10,660 387,598 Wyeth 90,980 4,450,742 ------------ $ 12,931,282 - ---------------------------------------------------------------------------------------------- Printing & Publishing - 0.4% - ---------------------------------------------------------------------------------------------- New York Times Co., "A" (l) 36,880 $ 912,042 - ---------------------------------------------------------------------------------------------- Railroad & Shipping - 0.7% - ---------------------------------------------------------------------------------------------- Burlington Northern Santa Fe Corp. 15,100 $ 1,195,769 Norfolk Southern Corp. 8,780 416,172 ------------ $ 1,611,941 - ---------------------------------------------------------------------------------------------- Real Estate - 2.6% - ---------------------------------------------------------------------------------------------- Alesco Financial, Inc., REIT 130,390 $ 1,406,908 BRE Properties, Inc., "A", REIT (l) 19,720 1,308,422 Macerich Co., REIT 12,310 1,152,216 Maguire Properties, Inc., REIT 27,110 1,058,917 Tanger Factory Outlet Centers, Inc., REIT 31,900 1,281,742 ------------ $ 6,208,205 - ---------------------------------------------------------------------------------------------- Restaurants - 1.1% - ---------------------------------------------------------------------------------------------- Chipotle Mexican Grill, Inc., "A" (a)(l) 4,730 $ 283,753 Panera Bread Co. (a)(l) 12,340 755,578 Red Robin Gourmet Burgers, Inc. (a)(l) 24,760 977,525 Texas Roadhouse, Inc., "A" (a)(l) 35,450 519,343 ------------ $ 2,536,199 - ---------------------------------------------------------------------------------------------- Specialty Chemicals - 1.8% - ---------------------------------------------------------------------------------------------- Air Products & Chemicals, Inc. 22,630 $ 1,693,177 Albemarle Corp. 6,630 542,666 Cytec Industries, Inc. 8,560 503,499 Praxair, Inc. 27,120 1,673,033 ------------ $ 4,412,375 - ---------------------------------------------------------------------------------------------- Specialty Stores - 2.9% - ---------------------------------------------------------------------------------------------- Advance Auto Parts, Inc. 10,990 $ 413,774 Aeropostale, Inc. (a) 13,430 492,075 Cost Plus, Inc. (a)(l) 11,350 121,899 Dick's Sporting Goods, Inc. (a) 23,690 1,239,935 Lowe's Cos., Inc. 74,090 2,412,370 Staples, Inc. 28,000 728,560 Urban Outfitters, Inc. (a)(l) 34,880 865,722 Williams-Sonoma, Inc. 21,300 719,088 ------------ $ 6,993,423 - ---------------------------------------------------------------------------------------------- Telecommunications - Wireless - 0.5% - ---------------------------------------------------------------------------------------------- Rogers Communications, Inc., "B" 36,780 $ 1,200,479 - ---------------------------------------------------------------------------------------------- Telephone Services - 3.0% - ---------------------------------------------------------------------------------------------- AT&T, Inc. 96,140 $ 3,537,952 Qwest Communications International, Inc. (a)(l) 142,140 1,262,203 TELUS Corp. (non-voting shares) 52,690 2,490,022 ------------ $ 7,290,177 - ---------------------------------------------------------------------------------------------- Tobacco - 2.5% - ---------------------------------------------------------------------------------------------- Altria Group, Inc. 72,640 $ 6,122,099 - ---------------------------------------------------------------------------------------------- Trucking - 1.1% - ---------------------------------------------------------------------------------------------- FedEx Corp. 8,420 $ 961,396 UTi Worldwide, Inc. (l) 56,610 1,706,225 ------------ $ 2,667,621 - ---------------------------------------------------------------------------------------------- Utilities - Electric Power - 3.5% - ---------------------------------------------------------------------------------------------- Constellation Energy Group, Inc. 8,970 $ 705,670 Dominion Resources, Inc. 13,560 1,159,787 DPL, Inc. 25,850 779,895 Edison International 13,010 610,429 Entergy Corp. 13,800 1,362,060 FPL Group, Inc. 22,990 1,358,019 NRG Energy, Inc. (a) 19,110 1,265,846 Public Service Enterprise Group, Inc. 14,340 1,074,066 ------------ $ 8,315,772 - ---------------------------------------------------------------------------------------------- TOTAL COMMON STOCKS (IDENTIFIED COST, $214,139,965) $239,193,818 - ---------------------------------------------------------------------------------------------- Short-Term Obligations - 0.5% - ---------------------------------------------------------------------------------------------- General Electric Capital Corp., 5.32%, due 3/01/07, at Amortized Cost and Value (y) $ 1,226,000 $ 1,226,000 - ---------------------------------------------------------------------------------------------- Collateral for Securities Loaned - 8.6% - ---------------------------------------------------------------------------------------------- Navigator Securities Lending Prime Portfolio, at Cost and Net Asset Value 20,729,487 $ 20,729,487 - ---------------------------------------------------------------------------------------------- TOTAL INVESTMENTS (IDENTIFIED COST, $236,095,452) $261,149,305 - ---------------------------------------------------------------------------------------------- Other Assets, Less Liabilities - (8.4)% (20,339,619) - ---------------------------------------------------------------------------------------------- NET ASSETS - 100.0% $240,809,686 - ---------------------------------------------------------------------------------------------- (a) Non-income producing security. (l) All or a portion of this security is on loan. (y) The rate shown represents an annualized yield at time of purchase. The following abbreviations are used in this report and are defined: ADR American Depository Receipt REIT Real Estate Investment Trust SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF ASSETS AND LIABILITIES At 2/28/07 (unaudited) This statement represents your fund's balance sheet, which details the assets and liabilities comprising the total value of the fund. ASSETS - ------------------------------------------------------------------------------------------------------ Investments, at value including $21,179,933 of securities on loan (identified cost, $236,095,452) $261,149,305 Cash 12,453 Receivable for investments sold 1,194,202 Receivable for fund shares sold 232,910 Interest and dividends receivable 767,740 Other assets 5,789 - ------------------------------------------------------------------------------------------------------ Total assets $263,362,399 - ------------------------------------------------------------------------------------------------------ LIABILITIES - ------------------------------------------------------------------------------------------------------ Payable for investments purchased $1,389,052 Payable for fund shares reacquired 231,786 Collateral for securities loaned, at value (c) 20,729,487 Payable to affiliates Management fee 8,708 Shareholder servicing costs 60,222 Distribution and service fees 6,774 Administrative services fee 282 Retirement plan administration and services fees 269 Payable for independent trustees' compensation 39,236 Accrued expenses and other liabilities 86,897 - ------------------------------------------------------------------------------------------------------ Total liabilities $22,552,713 - ------------------------------------------------------------------------------------------------------ Net assets $240,809,686 - ------------------------------------------------------------------------------------------------------ NET ASSETS CONSIST OF - ------------------------------------------------------------------------------------------------------ Paid-in capital $202,268,479 Unrealized appreciation (depreciation) on investments and translation of assets and liabilities in foreign currencies 25,053,853 Accumulated net realized gain (loss) on investments and foreign currency transactions 13,122,680 Undistributed net investment income 364,674 - ------------------------------------------------------------------------------------------------------ Net assets $240,809,686 - ------------------------------------------------------------------------------------------------------ Shares of beneficial interest outstanding 12,951,896 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class A shares - ------------------------------------------------------------------------------------------------------ Net assets $135,316,510 Shares outstanding 7,149,296 - ------------------------------------------------------------------------------------------------------ Net asset value per share $18.93 - ------------------------------------------------------------------------------------------------------ Offering price per share (100/94.25Xnet asset value per share) $20.08 - ------------------------------------------------------------------------------------------------------ Class B shares - ------------------------------------------------------------------------------------------------------ Net assets $45,975,497 Shares outstanding 2,593,293 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $17.73 - ------------------------------------------------------------------------------------------------------ Class C shares - ------------------------------------------------------------------------------------------------------ Net assets $17,224,317 Shares outstanding 975,695 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $17.65 - ------------------------------------------------------------------------------------------------------ Class I shares - ------------------------------------------------------------------------------------------------------ Net assets $6,504,188 Shares outstanding 332,358 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $19.57 - ------------------------------------------------------------------------------------------------------ Class R shares - ------------------------------------------------------------------------------------------------------ Net assets $4,838,613 Shares outstanding 257,511 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.79 - ------------------------------------------------------------------------------------------------------ Class R1 shares - ------------------------------------------------------------------------------------------------------ Net assets $494,089 Shares outstanding 27,957 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $17.67 - ------------------------------------------------------------------------------------------------------ Class R2 shares - ------------------------------------------------------------------------------------------------------ Net assets $910,386 Shares outstanding 51,129 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $17.81 - ------------------------------------------------------------------------------------------------------ Class R3 shares - ------------------------------------------------------------------------------------------------------ Net assets $2,287,323 Shares outstanding 122,536 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.67 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class R4 shares - ------------------------------------------------------------------------------------------------------ Net assets $27,196,007 Shares outstanding 1,438,822 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.90 - ------------------------------------------------------------------------------------------------------ Class R5 shares - ------------------------------------------------------------------------------------------------------ Net assets $62,756 Shares outstanding 3,299 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $19.02 - ------------------------------------------------------------------------------------------------------ On sales of $50,000 or more, the offering price of Class A shares is reduced. A contingent deferred sales charge may be imposed on redemptions of Class A, Class B, and Class C shares. (c) Non-cash collateral not included. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF OPERATIONS Six months ended 2/28/07 (unaudited) This statement describes how much your fund earned in investment income and accrued in expenses. It also describes any gains and/or losses generated by fund operations. NET INVESTMENT INCOME - ------------------------------------------------------------------------------------------------------ Income Dividends $2,210,945 Interest 109,449 Foreign taxes withheld (5,391) - ------------------------------------------------------------------------------------------------------ Total investment income $2,315,003 - ------------------------------------------------------------------------------------------------------ Expenses Management fee $839,643 Distribution and service fees 649,010 Shareholder servicing costs 205,127 Administrative services fee 26,946 Retirement plan administration and services fees 24,488 Independent trustees' compensation 9,863 Custodian fee 55,079 Shareholder communications 27,568 Auditing fees 22,457 Legal fees 3,742 Miscellaneous 63,880 - ------------------------------------------------------------------------------------------------------ Total expenses $1,927,803 - ------------------------------------------------------------------------------------------------------ Fees paid indirectly (10,917) Reduction of expenses by investment adviser (2,358) - ------------------------------------------------------------------------------------------------------ Net expenses $1,914,528 - ------------------------------------------------------------------------------------------------------ Net investment income $400,475 - ------------------------------------------------------------------------------------------------------ REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS - ------------------------------------------------------------------------------------------------------ Realized gain (loss) (identified cost basis) Investment transactions $16,719,116 Foreign currency transactions 911 - ------------------------------------------------------------------------------------------------------ Net realized gain (loss) on investments and foreign currency transactions $16,720,027 - ------------------------------------------------------------------------------------------------------ Change in unrealized appreciation (depreciation) Investments $12,494,028 Translation of assets and liabilities in foreign currencies (39) - ------------------------------------------------------------------------------------------------------ Net unrealized gain (loss) on investments and foreign currency translation $12,493,989 - ------------------------------------------------------------------------------------------------------ Net realized and unrealized gain (loss) on investments and foreign currency $29,214,016 - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $29,614,491 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENTS OF CHANGES IN NET ASSETS These statements describe the increases and/or decreases in net assets resulting from operations, any distributions, and any shareholder transactions. SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 (UNAUDITED) CHANGE IN NET ASSETS FROM OPERATIONS - ------------------------------------------------------------------------------------------------------ Net investment income (loss) $400,475 $(135,899) Net realized gain (loss) on investments and foreign currency transactions 16,720,027 22,210,793 Net unrealized gain (loss) on investments and foreign currency translation 12,493,989 (8,617,492) - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $29,614,491 $13,457,402 - ------------------------------------------------------------------------------------------------------ DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------ From net realized gain on investments and foreign currency transactions Class A $(10,891,644) $(6,566,925) Class B (3,614,424) (3,172,137) Class C (1,273,576) (835,667) Class I (376,619) (151,657) Class R (399,070) (292,512) Class R1 (34,465) (6,519) Class R2 (64,230) (2,469) Class R3 (96,597) (54,897) Class R4 (1,876,812) (2,358) Class R5 (4,256) (2,358) - ------------------------------------------------------------------------------------------------------ Total distributions declared to shareholders $(18,631,693) $(11,087,499) - ------------------------------------------------------------------------------------------------------ Change in net assets from fund share transactions $(17,658,250) $4,102,717 - ------------------------------------------------------------------------------------------------------ Total change in net assets $(6,675,452) $6,472,620 - ------------------------------------------------------------------------------------------------------ NET ASSETS - ------------------------------------------------------------------------------------------------------ At beginning of period 247,485,138 241,012,518 At end of period (including undistributed net investment income of $364,674 and accumulated net investment loss of $35,801) $240,809,686 $247,485,138 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the fund's financial performance for the semiannual period and the past 5 fiscal years (or life of a particular share class, if shorter). Certain information reflects financial results for a single fund share. The total returns in the table represent the rate by which an investor would have earned (or lost) on an investment in the fund share class (assuming reinvestment of all distributions) held for the entire period. SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------------------- CLASS A 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $18.17 $17.88 $15.35 $13.97 $12.51 $15.15 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment income (d) $0.05 $0.03 $0.03 $0.03 $0.04 $0.00(w) Net realized and unrealized gain (loss) on investments and foreign currency 2.10 1.06 2.50 1.35 1.42 (2.38) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $2.15 $1.09 $2.53 $1.38 $1.46 $(2.38) - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- $-- $-- $(0.26) - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $18.93 $18.17 $17.88 $15.35 $13.97 $12.51 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 11.94(n) 6.25 16.48 9.88(b) 11.67 (16.00) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions(f) 1.32(a) 1.37 1.41 1.38 1.47 1.37 Expenses after expense reductions (f) 1.32(a) 1.36 1.41 1.38 N/A N/A Net investment income 0.48(a) 0.15 0.17 0.22 0.29 0.03 Portfolio turnover 46 138 81 116 121 100 Net assets at end of period (000 Omitted) $135,317 $146,355 $141,808 $67,415 $53,704 $50,366 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------ CLASS B 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $17.16 $17.03 $14.71 $13.48 $12.14 $14.81 - -------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.02) $(0.09) $(0.08) $(0.06) $(0.04) $(0.09) Net realized and unrealized gain (loss) on investments and foreign currency 1.98 1.02 2.40 1.29 1.38 (2.32) - -------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.96 $0.93 $2.32 $1.23 $1.34 $(2.41) - -------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - -------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- $-- $-- $(0.26) - -------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $17.73 $17.16 $17.03 $14.71 $13.48 $12.14 - -------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 11.52(n) 5.60 15.77 9.12(b) 11.04 (16.57) - -------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.97(a) 2.02 2.06 2.02 2.12 2.02 Expenses after expense reductions (f) 1.97(a) 2.02 2.06 2.02 N/A N/A Net investment loss (0.19)(a) (0.50) (0.47) (0.43) (0.36) (0.62) Portfolio turnover 46 138 81 116 121 100 Net assets at end of period (000 Omitted) $45,975 $49,192 $71,088 $73,395 $75,007 $73,146 - -------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------ CLASS C 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $17.09 $16.97 $14.66 $13.43 $12.10 $14.76 - -------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.01) $(0.09) $(0.08) $(0.06) $(0.04) $(0.09) Net realized and unrealized gain (loss) on investments and foreign currency 1.96 1.01 2.39 1.29 1.37 (2.31) - -------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.95 $0.92 $2.31 $1.23 $1.33 $(2.40) - -------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - -------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- $-- $-- $(0.26) - -------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $17.65 $17.09 $16.97 $14.66 $13.43 $12.10 - -------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 11.51(n) 5.56 15.76 9.16(b) 10.99 (16.56) - -------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.97(a) 2.02 2.06 2.02 2.12 2.02 Expenses after expense reductions (f) 1.97(a) 2.02 2.06 2.02 N/A N/A Net investment loss (0.17)(a) (0.50) (0.48) (0.43) (0.35) (0.62) Portfolio turnover 46 138 81 116 121 100 Net assets at end of period (000 Omitted) $17,224 $16,613 $17,898 $15,990 $15,325 $17,521 - -------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------ CLASS I 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $18.72 $18.33 $15.68 $14.22 $12.69 $15.31 - -------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.09 $0.09 $0.09 $0.09 $0.08 $0.06 Net realized and unrealized gain (loss) on investments and foreign currency 2.15 1.10 2.56 1.37 1.45 (2.42) - -------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.24 $1.19 $2.65 $1.46 $1.53 $(2.36) - -------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - -------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- $-- $-- $(0.26) - -------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.57 $18.72 $18.33 $15.68 $14.22 $12.69 - -------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 12.07(n) 6.66 16.90 10.27(b) 12.06 (15.70) - -------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 0.97(a) 1.01 1.09 1.03 1.12 1.02 Expenses after expense reductions (f) 0.97(a) 1.01 1.09 1.03 N/A N/A Net investment income 0.88(a) 0.50 0.51 0.56 0.65 0.38 Portfolio turnover 46 138 81 116 121 100 Net assets at end of period (000 Omitted) $6,504 $4,763 $3,170 $460 $398 $428 - -------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------- CLASS R 2/28/07 2006 2005 2004 2003(i) (UNAUDITED) Net asset value, beginning of period $18.06 $17.80 $15.31 $13.96 $11.98 - -------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $0.03 $0.00(w) $0.00(w) $0.02 $(0.00)(w) Net realized and unrealized gain (loss) on investments and foreign currency 2.09 1.06 2.49 1.33 1.98(g) - -------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.12 $1.06 $2.49 $1.35 $1.98 - -------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - -------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- $-- $-- - -------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.79 $18.06 $17.80 $15.31 $13.96 - -------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 11.84(n) 6.11 16.26 9.67(b) 16.53(n) - -------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.47(a) 1.51 1.56 1.49 1.74(a) Expenses after expense reductions (f) 1.47(a) 1.51 1.56 1.49 N/A Net investment income (loss) 0.31(a) 0.00(w) 0.03 0.13 (0.04)(a) Portfolio turnover 46 138 81 116 121 Net assets at end of period (000 Omitted) $4,839 $5,446 $5,888 $3,030 $17 - -------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------- CLASS R1 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $17.11 $17.01 $16.25 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.02) $(0.10) $(0.04) Net realized and unrealized gain (loss) on investments and foreign currency 1.97 1.00 0.80(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.95 $0.90 $0.76 - --------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $17.67 $17.11 $17.01 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 11.49(n) 5.43 4.68(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.17(a) 2.20 2.23(a) Expenses after expense reductions (f) 2.07(a) 2.11 2.23(a) Net investment loss (0.22)(a) (0.61) (0.63)(a) Portfolio turnover 46 138 81 Net assets at end of period (000 Omitted) $494 $441 $55 - --------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R2 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $17.20 $17.03 $16.25 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $0.01 $(0.05) $(0.02) Net realized and unrealized gain (loss) on investments and foreign currency 1.99 1.02 0.80(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.00 $0.97 $0.78 - --------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $17.81 $17.20 $17.03 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 11.73(n) 5.85 4.80(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.87(a) 1.90 1.93(a) Expenses after expense reductions (f) 1.72(a) 1.75 1.93(a) Net investment income (loss) 0.10(a) (0.29) (0.33)(a) Portfolio turnover 46 138 81 Net assets at end of period (000 Omitted) $910 $780 $52 - --------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------- CLASS R3 2/28/07 2006 2005 2004(i) (UNAUDITED) Net asset value, beginning of period $17.97 $17.74 $15.29 $14.57 - --------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $0.03 $(0.03) $(0.04) $0.03 Net realized and unrealized gain (loss) on investments and foreign currency 2.06 1.06 2.49 0.69(g) - --------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.09 $1.03 $2.45 $0.72 - --------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- $-- - --------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.67 $17.97 $17.74 $15.29 - --------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 11.73(n) 5.96 16.02 4.94(b)(n) - --------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.72(a) 1.77 1.81 1.80(a) Expenses after expense reductions (f) 1.62(a) 1.67 1.81 1.80(a) Net investment income (loss) 0.29(a) (0.15) (0.22) (0.27)(a) Portfolio turnover 46 138 81 116 Net assets at end of period (000 Omitted) $2,287 $1,193 $948 $616 - --------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R4 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $18.15 $17.88 $17.02 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.04 $0.05 $0.01 Net realized and unrealized gain (loss) on investments and foreign currency 2.10 1.02 0.85(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.14 $1.07 $0.86 - --------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.90 $18.15 $17.88 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 11.89(n) 6.14 5.05(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.37(a) 1.37 1.43(a) Expenses after expense reductions (f) 1.37(a) 1.37 1.43(a) Net investment income 0.44(a) 0.27 0.17(a) Portfolio turnover 46 138 81 Net assets at end of period (000 Omitted) $27,196 $22,646 $53 - --------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------- CLASS R5 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $18.24 $17.90 $17.02 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.07 $0.07 $0.03 Net realized and unrealized gain (loss) on investments and foreign currency 2.10 1.07 0.85(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.17 $1.14 $0.88 - --------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(1.39) $(0.80) $-- - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.02 $18.24 $17.90 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 12.00(n) 6.54 5.17(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.07(a) 1.12 1.13(a) Expenses after expense reductions (f) 1.07(a) 1.12 1.13(a) Net investment income 0.74(a) 0.40 0.47(a) Portfolio turnover 46 138 81 Net assets at end of period (000 Omitted) $63 $56 $53 - --------------------------------------------------------------------------------------------------------------------- Any redemption fees charged by the fund during the 2004 and 2005 fiscal years resulted in a per share impact of less than $0.01. (a) Annualized. (b) The fund's net asset value and total return calculation include a non-recurring accrual recorded as a result of an administrative proceeding regarding disclosure of brokerage allocation practices in connection with fund sales. The non-recurring accrual did not have a material impact on the net asset value per share based on the shares outstanding on the day the proceeds were recorded. (d) Per share data are based on average shares outstanding. (f) Ratios do not reflect reductions from fees paid indirectly. (g) The per share amount is not in accordance with the net realized and unrealized gain/loss for the period because of the timing of sales of fund shares and the per share amount of realized and unrealized gains and losses at such time. (i) For the period from the class' inception, December 31, 2002 (Class R), October 31, 2003 (Class R3), and April 1, 2005 (Classes R1, R2, R4, and R5) through the stated period end. (n) Not annualized. (r) Certain expenses have been reduced without which performance would have been lower. (s) From time to time the fund may receive proceeds from litigation settlements, without which performance would be lower. (t) Total returns do not include any applicable sales charges. (w) Per share amount was less than $0.01. SEE NOTES TO FINANCIAL STATEMENTS NOTES TO FINANCIAL STATEMENTS (unaudited) (1) BUSINESS AND ORGANIZATION MFS Core Equity Fund (the fund) is a series of MFS Series Trust I (the trust). The trust is organized as a Massachusetts business trust and is registered under the Investment Company Act of 1940, as amended, as an open-end management investment company. (2) SIGNIFICANT ACCOUNTING POLICIES GENERAL - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The fund can invest in foreign securities, including securities of emerging market issuers. Investments in foreign securities are vulnerable to the effects of changes in the relative values of the local currency and the U.S. dollar and to the effects of changes in each country's legal, political, and economic environment. The markets of emerging markets countries are generally more volatile than the markets of developed countries with more mature economies. All of the risks of investing in foreign securities previously described are heightened when investing in emerging markets countries. INVESTMENT VALUATIONS - Equity securities, including restricted equity securities, are generally valued at the last sale or official closing price as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities for which there were no sales reported that day, equity securities are generally valued at the last quoted daily bid quotation as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities held short for which there were no sales reported for the day, the position is generally valued at the last quoted daily ask quotation as reported by an independent pricing service on the market or exchange on which such securities are primarily traded. Short-term instruments with a maturity at issuance of 60 days or less may be valued at amortized cost, which approximates market value. Open-end investment companies are generally valued at their net asset value per share. Securities and other assets generally valued on the basis of information from an independent pricing service may also be valued at a broker-dealer bid quotation. The values of foreign securities and other assets and liabilities expressed in foreign currencies are converted to U.S. dollars using the mean of bid and asked prices for rates reported by an independent pricing service. The Board of Trustees has delegated primary responsibility for determining or causing to be determined the value of the fund's investments (including any fair valuation) to the adviser pursuant to valuation policies and procedures approved by the Board. If the adviser determines that reliable market quotations are not readily available, investments are valued at fair value as determined in good faith by the adviser in accordance with such procedures under the oversight of the Board of Trustees. Under the fund's valuation policies and procedures, market quotations are not considered to be readily available for many types of debt instruments and certain types of derivatives. These investments are generally valued at fair value based on information from independent pricing services. In addition, investments may be valued at fair value if the adviser determines that an investment's value has been materially affected by events occurring after the close of the exchange or market on which the investment is principally traded (such as foreign exchange or market) and prior to the determination of the fund's net asset value, or after the halting of trading of a specific security where trading does not resume prior to the close of the exchange or market on which the security is principally traded. Events that occur on a frequent basis after foreign markets close (such as developments in foreign markets and significant movements in the U.S. markets) and prior to the determination of the fund's net asset value may be deemed to have a material affect on the value of securities traded in foreign markets. Accordingly, the fund's foreign equity securities may often be valued at fair value. The adviser may rely on independent pricing services or other information (such as the correlation with price movements of similar securities in the same or other markets; the type, cost and investment characteristics of the security; the business and financial condition of the issuer; and trading and other market data) to assist in determining whether to fair value and at what value to fair value an investment. The value of an investment for purposes of calculating the fund's net asset value can differ depending on the source and method used to determine value. When fair valuation is used, the value of investments used to determine the fund's net asset value may differ from quoted or published prices for the same investments. In September 2006, FASB Statement No. 157, Fair Value Measurements (the "Statement") was issued, and is effective for fiscal years beginning after November 15, 2007 and for all interim periods within those fiscal years. This Statement provides a single definition of fair value, a hierarchy for measuring fair value and expanded disclosures about fair value measurements. Management is evaluating the application of the Statement to the fund, and believes the impact will be limited to expanded disclosures resulting from the adoption of this Statement in the fund's financial statements. REPURCHASE AGREEMENTS - The fund may enter into repurchase agreements with institutions that the fund's investment adviser has determined are creditworthy. Each repurchase agreement is recorded at cost. The fund requires that the securities collateral in a repurchase transaction be transferred to the custodian in a manner sufficient to enable the fund to obtain those securities in the event of a default under the repurchase agreement. The fund monitors, on a daily basis, the value of the collateral to ensure that its value, including accrued interest, is greater than amounts owed to the fund under each such repurchase agreement. The fund and other funds managed by Massachusetts Financial Services Company (MFS), may utilize a joint trading account for the purpose of entering into one or more repurchase agreements. FOREIGN CURRENCY TRANSLATION - Purchases and sales of foreign investments, income, and expenses are converted into U.S. dollars based upon currency exchange rates prevailing on the respective dates of such transactions. Gains and losses attributable to foreign currency exchange rates on sales of securities are recorded for financial statement purposes as net realized gains and losses on investments. Gains and losses attributable to foreign exchange rate movements on income and expenses are recorded for financial statement purposes as foreign currency transaction gains and losses. That portion of both realized and unrealized gains and losses on investments that results from fluctuations in foreign currency exchange rates is not separately disclosed. SECURITY LOANS - State Street Bank and Trust Company ("State Street"), as lending agent, may loan the securities of the fund to certain qualified institutions (the "Borrowers") approved by the fund. The loans are collateralized at all times by cash and/or U.S. Treasury securities in an amount at least equal to the market value of the securities loaned. State Street provides the fund with indemnification against Borrower default. The fund bears the risk of loss with respect to the investment of cash collateral. On loans collateralized by cash, the cash collateral is invested in a money market fund or short-term securities. A portion of the income generated upon investment of the collateral is remitted to the Borrowers, and the remainder is allocated between the fund and the lending agent. On loans collateralized by U.S. Treasury securities, a fee is received from the Borrower, and is allocated between the fund and the lending agent. Net income from securities lending is included in interest income on the Statement of Operations. The dividend and interest income earned on the securities loaned is accounted for in the same manner as other dividend and interest income. At February 28, 2007, the value of securities loaned was $21,179,933. These loans were collateralized by cash of $20,729,487 and U.S. Treasury obligations of $992,700. INDEMNIFICATIONS - Under the fund's organizational documents, its officers and trustees may be indemnified against certain liabilities and expenses arising out of the performance of their duties to the fund. Additionally, in the normal course of business, the fund enters into agreements with service providers that may contain indemnification clauses. The fund's maximum exposure under these agreements is unknown as this would involve future claims that may be made against the fund that have not yet occurred. INVESTMENT TRANSACTIONS AND INCOME - Investment transactions are recorded on the trade date. Interest income is recorded on the accrual basis. All premium and discount is amortized or accreted for financial statement purposes in accordance with U.S. generally accepted accounting principles. All discount is accreted for tax reporting purposes as required by federal income tax regulations. Dividends received in cash are recorded on the ex-dividend date. Certain dividends from foreign securities will be recorded when the fund is informed of the dividend if such information is obtained subsequent to the ex-dividend date. Dividend and interest payments received in additional securities are recorded on the ex-dividend or ex-interest date in an amount equal to the value of the security on such date. The fund may receive proceeds from litigation settlements. Any proceeds received from litigation involving its portfolio holdings are reflected in realized gain/loss in the Statement of Operations, or in unrealized gain/loss if the security is still held by the fund. Any other proceeds from litigation not related to portfolio holdings are reflected as other income in the Statement of Operations. FEES PAID INDIRECTLY - The fund's custody fee is reduced according to an arrangement that measures the value of cash deposited with the custodian by the fund. This amount, for the six months ended February 28, 2007, is shown as a reduction of total expenses on the Statement of Operations. TAX MATTERS AND DISTRIBUTIONS - The fund intends to qualify as a regulated investment company, as defined under Subchapter M of the Internal Revenue Code, and to distribute all of its taxable income, including realized capital gains. Accordingly, no provision for federal income tax is required in the financial statements. Foreign taxes, if any, have been accrued by the fund in the accompanying financial statements. Distributions to shareholders are recorded on the ex-dividend date. Income and capital gain distributions are determined in accordance with income tax regulations, which may differ from U.S. generally accepted accounting principles. Certain capital accounts in the financial statements are periodically adjusted for permanent differences in order to reflect their tax character. These adjustments have no impact on net assets or net asset value per share. Temporary differences which arise from recognizing certain items of income, expense, gain or loss in different periods for financial statement and tax purposes will reverse at some time in the future. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. Book/tax differences primarily relate to net operating losses, wash sale loss deferrals, and treating a portion of the proceeds from redemptions as a distribution for tax purposes. The tax character of distributions made during the current period will be determined at fiscal year end. The tax character of distributions declared to shareholders is as follows: 8/31/06 Long-term capital gain $11,087,499 The federal tax cost and the tax basis components of distributable earnings were as follows: AS OF 2/28/07 Cost of investments $236,968,865 ------------------------------------------------------------ Gross appreciation $27,501,379 Gross depreciation (3,320,939) ------------------------------------------------------------ Net unrealized appreciation (depreciation) $24,180,440 AS OF 8/31/06 Undistributed ordinary income $4,993,352 Undistributed long-term capital gain 10,977,092 Other temporary differences (98,447) Net unrealized appreciation (depreciation) 11,686,412 The aggregate cost above includes prior fiscal year end tax adjustments. In June 2006, FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes (the "Interpretation") was issued, and is effective for fiscal years beginning after December 15, 2006 and is to be applied to all open tax years as of the effective date. On December 22, 2006, the SEC delayed the implementation of the Interpretation for regulated investment companies for an additional six months. This Interpretation prescribes a minimum threshold for financial statement recognition of the benefit of a tax position taken or expected to be taken in a tax return, and requires certain expanded disclosures. Management is evaluating the application of the Interpretation to the fund, and has not at this time determined the impact, if any, resulting from the adoption of this Interpretation on the fund's financial statements. MULTIPLE CLASSES OF SHARES OF BENEFICIAL INTEREST - The fund offers multiple classes of shares, which differ in their respective distribution and service fees. All shareholders bear the common expenses of the fund based on daily net assets of each class, without distinction between share classes. Dividends are declared separately for each class. Differences in per share dividend rates are generally due to differences in separate class expenses. Class B shares will convert to Class A shares approximately eight years after purchase. (3) TRANSACTIONS WITH AFFILIATES INVESTMENT ADVISER - The fund has an investment advisory agreement with MFS to provide overall investment management and related administrative services and facilities to the fund. The management fee is computed daily and paid monthly at the following annual rates: First $500 million of average daily net assets 0.65% Average daily net assets in excess of $500 million 0.55% The management fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.65% of the fund's average daily net assets. DISTRIBUTOR - MFS Fund Distributors, Inc. (MFD), a wholly-owned subsidiary of MFS, as distributor, received $12,703 for the six months ended February 28, 2007, as its portion of the initial sales charge on sales of Class A shares of the fund. The Board of Trustees has adopted a distribution plan for certain class shares pursuant to Rule 12b-1 of the Investment Company Act of 1940. The fund's distribution plan provides that the fund will pay MFD for services provided by MFD and financial intermediaries in connection with the distribution and servicing of certain share classes. One component of the plan is a distribution fee paid to MFD and another component of the plan is a service fee paid to MFD. MFD may subsequently pay all, or a portion, of the distribution and/or service fees to financial intermediaries. Distribution Fee Plan Table: TOTAL ANNUAL DISTRIBUTION DISTRIBUTION SERVICE DISTRIBUTION EFFECTIVE AND SERVICE FEE RATE FEE RATE PLAN(d) RATE(e) FEE Class A 0.10% 0.25% 0.35% 0.35% $267,248 Class B 0.75% 0.25% 1.00% 1.00% 242,483 Class C 0.75% 0.25% 1.00% 1.00% 85,151 Class R 0.25% 0.25% 0.50% 0.50% 13,398 Class R1 0.50% 0.25% 0.75% 0.75% 1,671 Class R2 0.25% 0.25% 0.50% 0.50% 2,136 Class R3 0.25% 0.25% 0.50% 0.50% 4,080 Class R4 -- 0.25% 0.25% 0.25% 32,843 - ----------------------------------------------------------------------------------------------------------------------- Total Distribution and Service Fees $649,010 (d) In accordance with the distribution plan for certain classes, the fund pays distribution and/or service fees up to these annual percentage rates of each class' average daily net assets. (e) The annual effective rates represent actual fees incurred under the distribution plan for the six months ended February 28, 2007 based on each class' average daily net assets. Certain Class A and Class C shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within 12 months of purchase. Class B shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within six years of purchase. All contingent deferred sales charges are paid to MFD and during the six months ended February 28, 2007, were as follows: AMOUNT Class A $542 Class B 27,400 Class C 354 SHAREHOLDER SERVICING AGENT - MFS Service Center, Inc. (MFSC), a wholly-owned subsidiary of MFS, receives a fee from the fund for its services as shareholder servicing agent calculated as a percentage of the average daily net assets of the fund as determined periodically under the supervision of the fund's Board of Trustees. For the six months ended February 28, 2007, the fee was $98,400, which equated to 0.0762% annually of the fund's average daily net assets. Effective January 1, 2007, MFSC has entered into a sub-accounting agreement with SunLife Retirement Services (U.S.), Inc. (SRS), an affiliate of MFSC, on behalf of the fund to provide omnibus account services to the fund. MFSC pays SRS both an asset based fee and a per account charge of the assets held in the omnibus account. The fund then reimburses MFSC for the sub- accounting fees paid to SRS. For the six months ended February 28, 2007, the sub-accounting fee for SRS was $18,086, which equated to 0.0140% annually of the fund's average daily net assets. MFSC also receives payment from the fund for out-of-pocket and sub-accounting expenses. For the six months ended February 28, 2007, these out-of-pocket and sub-accounting costs amounted to $62,813. The fund may also pay shareholder servicing related costs directly to non-related parties. ADMINISTRATOR - MFS provides certain financial, legal, shareholder communications, compliance, and other administrative services to the fund. Under an administrative services agreement, the fund partially reimburses MFS the costs incurred to provide these services. The fund is charged a fixed amount plus a fee based on calendar year average net assets. The fund's annual fixed amount is $17,500. The administrative services fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.0209% of the fund's average daily net assets. In addition to the administrative services provided by MFS to the fund as described above, MFS is responsible for providing certain retirement plan administration and services with respect to certain shares. These services include various administrative, recordkeeping, and communication/educational services with respect to the retirement plans which invest in these shares, and may be provided directly by MFS or by a third party. MFS may subsequently pay all, or a portion, of the retirement plan administration and services fee to affiliated or unaffiliated third parties. For the six months ended February 28, 2007, the fund paid MFS an annual retirement plan administration and services fee up to the following annual percentage rates of each class' average daily net assets: ANNUAL EFFECTIVE TOTAL FEE RATE RATE(g) AMOUNT Class R1 0.45% 0.35% $1,003 Class R2 0.40% 0.25% 1,708 Class R3 0.25% 0.15% 2,041 Class R4 0.15% 0.15% 19,706 Class R5 0.10% 0.10% 30 - -------------------------------------------------------------------------------- Total Retirement Plan Administration and Services Fees $24,488 (g) MFS has agreed in writing to waive a portion of the retirement plan administration and services fee equal to 0.10% for Class R1 shares, 0.15% for Class R2 shares, and 0.10% for Class R3 shares. This agreement will continue until at least September 30, 2008. For the six months ended February 28, 2007, this waiver amounted to $1,673 and is reflected as a reduction of total expenses in the Statement of Operations. TRUSTEES' AND OFFICERS' COMPENSATION - The fund pays compensation to independent trustees in the form of a retainer, attendance fees, and additional compensation to Board and Committee chairpersons. The fund does not pay compensation directly to trustees or officers of the fund who are also officers of the investment adviser, all of whom receive remuneration for their services to the fund from MFS. Certain officers and trustees of the fund are officers or directors of MFS, MFD, and MFSC. The fund has an unfunded, defined benefit plan for certain retired independent trustees which resulted in a pension expense of $690. The fund also has an unfunded retirement benefit deferral plan for certain independent trustees which resulted in an expense of $3,618. Both amounts are included in independent trustees' compensation for the six months ended February 28, 2007. The liability for deferred retirement benefits payable to certain independent trustees under both plans amounted to $38,255 at February 28, 2007, and is included in payable for independent trustees' compensation. OTHER - This fund and certain other MFS funds (the funds) have entered into a services agreement (the Agreement) which provides for payment of fees by the funds to Tarantino LLC in return for the provision of services of an Independent Chief Compliance Officer (ICCO) for the funds. The ICCO is an officer of the funds and the sole member of Tarantino LLC. The funds can terminate the Agreement with Tarantino LLC at any time under the terms of the Agreement. For the six months ended February 28, 2007, the fee paid to Tarantino LLC was $1,042. MFS has agreed to reimburse the fund for a portion of the payments made by the funds to Tarantino LLC in the amount of $685, which is shown as a reduction of total expenses in the Statement of Operations. Additionally, MFS has agreed to bear all expenses associated with office space, other administrative support, and supplies provided to the ICCO. (4) PORTFOLIO SECURITIES Purchases and sales of investments, other than U.S. government securities, purchased option transactions, and short-term obligations, aggregated $102,447,452 and $114,090,728, respectively. (5) SHARES OF BENEFICIAL INTEREST The fund's Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional shares of beneficial interest. Transactions in fund shares were as follows: SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 SHARES AMOUNT SHARES AMOUNT Shares sold Class A 829,580 $15,807,910 2,443,666 $43,867,932 Class B 196,611 3,528,073 811,627 13,942,781 Class C 82,591 1,471,733 262,041 4,460,022 Class I 77,013 1,510,950 125,891 2,329,642 Class R 18,026 343,081 111,566 1,994,369 Class R1 23,132 415,774 26,009 443,322 Class R2 10,978 199,913 44,042 755,492 Class R3 91,341 1,710,951 35,849 633,797 Class R4 560,289 10,586,348 1,555,647 28,508,981 Class R5 -- -- 3 81 - ----------------------------------------------------------------------------------------------------------- 1,889,561 $35,574,733 5,416,341 $96,936,419 Shares issued to shareholders in reinvestment of distributions Class A 552,558 $10,288,631 355,194 $6,254,963 Class B 183,409 3,202,316 171,172 2,860,279 Class C 61,738 1,073,622 42,451 706,380 Class I 16,270 312,870 6,859 124,080 Class R 21,583 399,070 16,688 292,512 Class R1 1,980 34,465 395 6,519 Class R2 3,664 64,230 148 2,469 Class R3 5,148 94,569 3,146 54,897 Class R4 100,759 1,873,116 134 2,358 Class R5 228 4,256 134 2,358 - ----------------------------------------------------------------------------------------------------------- 947,337 $17,347,145 596,321 $10,306,815 Shares reacquired Class A (2,286,229) $(44,148,056) (2,675,775) $(47,849,495) Class B (654,131) (11,756,232) (2,289,768) (38,886,362) Class C (140,860) (2,515,805) (387,175) (6,483,150) Class I (15,394) (300,214) (51,250) (948,111) Class R (83,594) (1,576,298) (157,462) (2,824,272) Class R1 (22,918) (407,541) (3,855) (64,830) Class R2 (8,845) (161,714) (1,935) (31,647) Class R3 (40,370) (766,058) (26,032) (463,349) Class R4 (469,669) (8,948,210) (311,276) (5,589,225) Class R5 -- -- (4) (76) - ----------------------------------------------------------------------------------------------------------- (3,722,010) $(70,580,128) (5,904,532) $(103,140,517) Net change Class A (904,091) $(18,051,515) 123,085 $2,273,400 Class B (274,111) (5,025,843) (1,306,969) (22,083,302) Class C 3,469 29,550 (82,683) (1,316,748) Class I 77,889 1,523,606 81,500 1,505,611 Class R (43,985) (834,147) (29,208) (537,391) Class R1 2,194 42,698 22,549 385,011 Class R2 5,797 102,429 42,255 726,314 Class R3 56,119 1,039,462 12,963 225,345 Class R4 191,379 3,511,254 1,244,505 22,922,114 Class R5 228 4,256 133 2,363 - ---------------------------------------------------------------------------------------------------------- (885,112) $(17,658,250) 108,130 $4,102,717 (6) LINE OF CREDIT The fund and other funds managed by MFS participate in a $1 billion unsecured committed line of credit provided by a syndication of banks under a credit agreement. In addition, the fund and other funds managed by MFS have established uncommitted borrowing arrangements with certain banks. Borrowings may be made for temporary financing needs. Interest is charged to each fund, based on its borrowings, generally at a rate equal to the Federal Reserve funds rate plus 0.35%. In addition, a commitment fee, based on the average daily, unused portion of the committed line of credit, is allocated among the participating funds at the end of each calendar quarter. For the six months ended February 28, 2007, the fund's commitment fee and interest expense were $769 and $0, respectively, and are included in miscellaneous expense on the Statement of Operations. BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT A discussion regarding the Board's most recent review and renewal of the Fund's investment advisory agreement is available by clicking on the fund's name under "Select a fund" on the MFS Web site (mfs.com). PROXY VOTING POLICIES AND INFORMATION A general description of the MFS funds' proxy voting policies and procedures is available without charge, upon request, by calling 1-800-225-2606, by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. Information regarding how the fund voted proxies relating to portfolio securities during the most recent twelve-month period ended June 30 is available without charge by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. QUARTERLY PORTFOLIO DISCLOSURE The fund will file a complete schedule of portfolio holdings with the Securities and Exchange Commission (the Commission) for the first and third quarters of each fiscal year on Form N-Q. The fund's Form N-Q may be reviewed and copied at the: Public Reference Room Securities and Exchange Commission 100 F Street, NE, Room 1580 Washington, D.C. 20549 Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-202-551-5850. The fund's Form N-Q is available on the EDGAR database on the Commission's Internet Web site at http://www.sec.gov, and copies of this information may be obtained, upon payment of a duplicating fee, by electronic request at the following e-mail address: publicinfo@sec.gov or by writing the Public Reference Section at the above address. A shareholder can also obtain the quarterly portfolio holdings report at mfs.com. CONTACT US WEB SITE MAILING ADDRESS mfs.com MFS Service Center, Inc. P.O. Box 55824 MFS TALK Boston, MA 1-800-637-8255 02205-5824 24 hours a day OVERNIGHT MAIL ACCOUNT SERVICE AND MFS Service Center, Inc. LITERATURE 500 Boylston Street Boston, MA 02116-3741 SHAREHOLDERS 1-800-225-2606 8 a.m. to 8 p.m. ET INVESTMENT PROFESSIONALS 1-800-343-2829 8 a.m. to 8 p.m. ET RETIREMENT PLAN SERVICES 1-800-637-1255 8 a.m. to 8 p.m. ET - ------------------------------------------------------------------------------- Go paperless with eDELIVERY: Arrange to have MFS send prospectuses, reports, and proxies directly to your e-mail inbox. You'll get timely information and less clutter in your mailbox (not to mention help your fund save printing and postage costs). SIGN UP: If your account is registered with us, simply go to mfs.com, log in to your account via MFS Access, and select the eDelivery sign up options. If you own your MFS fund shares through a financial institution or a retirement plan, MFS TALK, MFS Access, and eDelivery may not be available to you. - ------------------------------------------------------------------------------- M F S(R) INVESTMENT MANAGEMENT M F S(R) INVESTMENT MANAGEMENT [graphic omitted] Semiannual report MFS(R) CORE GROWTH FUND LETTER FROM THE CEO 1 - --------------------------------------------------------- PORTFOLIO COMPOSITION 2 - --------------------------------------------------------- EXPENSE TABLE 3 - --------------------------------------------------------- PORTFOLIO OF INVESTMENTS 5 - --------------------------------------------------------- STATEMENT OF ASSETS AND LIABILITIES 11 - --------------------------------------------------------- STATEMENT OF OPERATIONS 14 - --------------------------------------------------------- STATEMENTS OF CHANGES IN NET ASSETS 15 - --------------------------------------------------------- FINANCIAL HIGHLIGHTS 16 - --------------------------------------------------------- NOTES TO FINANCIAL STATEMENTS 27 - --------------------------------------------------------- BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT 38 - --------------------------------------------------------- PROXY VOTING POLICIES AND INFORMATION 38 - --------------------------------------------------------- QUARTERLY PORTFOLIO DISCLOSURE 38 - --------------------------------------------------------- CONTACT INFORMATION BACK COVER - --------------------------------------------------------- THE REPORT IS PREPARED FOR THE GENERAL INFORMATION OF SHAREHOLDERS. IT IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY WHEN PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS. - ------------------------------------------------------------------------------ NOT FDIC INSURED o MAY LOSE VALUE o NO BANK OR CREDIT UNION GUARANTEE o NOT A DEPOSIT o NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY OR NCUA/NCUSIF - ------------------------------------------------------------------------------ 2/28/07 CGF-SEM [Photo of Robert J. Manning] LETTER FROM THE CEO Dear Shareholders: The past year has been a great example of why investors should keep their eyes on the long term. In 2006 the Dow Jones Industrial Average returned 19%. In February 2007 it hit its all-time high of 12,787. Less than a week later, stocks sold off around the globe. By March 5 the Dow was off 5.8%. That is a sign of volatile markets and a reason investors should make sure they have an investment plan that can ride out the peaks and troughs. If you are focused on a long-term investment strategy, the short-term ups and downs of the markets should not necessarily dictate portfolio action on your part. Both the bond and stock markets are inherently cyclical. In our view, investors who remain committed to a long-term plan are more likely to achieve their financial goals. We believe you should not let the headlines guide you in your investment decisions and that there is no sense in reacting to short- term volatility. In any market environment, we believe individual investors are best served by following a three-pronged investment strategy of allocating their holdings across the major asset classes, diversifying within each class, and regularly rebalancing their portfolios to maintain their desired allocations. Of course, these strategies cannot guarantee a profit or protect against a loss. Investing and planning for the long term require diligence and patience, two traits that in our experience are essential to capitalizing on the many opportunities the financial markets can offer -- through both up and down economic cycles. Respectfully, /s/ Robert J. Manning Robert J. Manning Chief Executive Officer and Chief Investment Officer MFS Investment Management(R) April 16, 2007 The opinions expressed in this letter are subject to change, may not be relied upon for investment advice, and no forecasts can be guaranteed. PORTFOLIO COMPOSITION PORTFOLIO STRUCTURE Common Stocks 95.5% Cash & Other Net Assets 4.5% TOP TEN HOLDINGS Cisco Systems, Inc. 2.6% ------------------------------------------------ Roche Holding AG 2.1% ------------------------------------------------ General Electric Co. 2.1% ------------------------------------------------ Oracle Corp. 2.0% ------------------------------------------------ Nestle S.A. 1.9% ------------------------------------------------ America Movil S.A. de C.V., "L", ADR 1.8% ------------------------------------------------ United Technologies Corp. 1.7% ------------------------------------------------ PepsiCo, Inc. 1.7% ------------------------------------------------ Wyeth 1.7% ------------------------------------------------ News Corp., "A" 1.7% ------------------------------------------------ EQUITY SECTORS Health Care 22.9% ------------------------------------------------ Technology 19.4% ------------------------------------------------ Financial Services 9.2% ------------------------------------------------ Retailing 8.1% ------------------------------------------------ Industrial Goods & Services 8.0% ------------------------------------------------ Consumer Staples 7.8% ------------------------------------------------ Special Products & Services 5.9% ------------------------------------------------ Leisure 5.3% ------------------------------------------------ Energy 2.8% ------------------------------------------------ Basic Materials 2.1% ------------------------------------------------ Utilities & Communications 1.8% ------------------------------------------------ Transportation 1.4% ------------------------------------------------ Autos & Housing 0.8% ------------------------------------------------ Percentages are based on net assets as of 2/28/07. The portfolio is actively managed and current holdings may be different. EXPENSE TABLE Fund expenses borne by the shareholders during the period, September 1, 2006 through February 28, 2007 As a shareholder of the fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on certain purchase or redemption payments and redemption fees on certain exchanges and redemptions, and (2) ongoing costs, including management fees; distribution and service (12b-1) fees; and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the period and held for the entire period September 1, 2006 through February 28, 2007. ACTUAL EXPENSES The first line for each share class in the following table provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each share class in the following table provides information about hypothetical account values and hypothetical expenses based on the fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as sales charges (loads) or redemption fees. Therefore, the second line for each share class in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. - ------------------------------------------------------------------------------- Expenses Paid During Annualized Beginning Ending Period(p) Share Expense Account Value Account Value 9/01/06- Class Ratio 9/01/06 2/28/07 2/28/07 - -------------------------------------------------------------------------------- Actual 1.28% $1,000.00 $1,082.10 $6.61 A --------------------------------------------------------------------------- Hypothetical (h) 1.28% $1,000.00 $1,018.45 $6.41 - -------------------------------------------------------------------------------- Actual 1.93% $1,000.00 $1,078.50 $9.95 B --------------------------------------------------------------------------- Hypothetical (h) 1.93% $1,000.00 $1,015.22 $9.64 - -------------------------------------------------------------------------------- Actual 1.93% $1,000.00 $1,078.50 $9.95 C --------------------------------------------------------------------------- Hypothetical (h) 1.93% $1,000.00 $1,015.22 $9.64 - -------------------------------------------------------------------------------- Actual 0.93% $1,000.00 $1,083.90 $4.81 I --------------------------------------------------------------------------- Hypothetical (h) 0.93% $1,000.00 $1,020.18 $4.66 - -------------------------------------------------------------------------------- Actual 1.03% $1,000.00 $1,083.10 $5.32 W --------------------------------------------------------------------------- Hypothetical (h) 1.03% $1,000.00 $1,019.69 $5.16 - -------------------------------------------------------------------------------- Actual 1.43% $1,000.00 $1,081.30 $7.38 R --------------------------------------------------------------------------- Hypothetical (h) 1.43% $1,000.00 $1,017.70 $7.15 - -------------------------------------------------------------------------------- Actual 2.03% $1,000.00 $1,078.00 $10.46 R1 --------------------------------------------------------------------------- Hypothetical (h) 2.03% $1,000.00 $1,014.73 $10.14 - -------------------------------------------------------------------------------- Actual 1.68% $1,000.00 $1,079.40 $8.66 R2 --------------------------------------------------------------------------- Hypothetical (h) 1.68% $1,000.00 $1,016.46 $8.40 - -------------------------------------------------------------------------------- Actual 1.58% $1,000.00 $1,080.10 $8.15 R3 --------------------------------------------------------------------------- Hypothetical (h) 1.58% $1,000.00 $1,016.96 $7.90 - -------------------------------------------------------------------------------- Actual 1.33% $1,000.00 $1,081.60 $6.86 R4 --------------------------------------------------------------------------- Hypothetical (h) 1.33% $1,000.00 $1,018.20 $6.66 - -------------------------------------------------------------------------------- Actual 1.03% $1,000.00 $1,083.00 $5.32 R5 --------------------------------------------------------------------------- Hypothetical (h) 1.03% $1,000.00 $1,019.69 $5.16 - -------------------------------------------------------------------------------- (h) 5% class return per year before expenses. (p) Expenses paid is equal to each class' annualized expense ratio, as shown above, multiplied by the average account value over the period, multiplied by the number of days in the period, divided by the number of days in the year. Expenses paid do not include any applicable sales charges (loads) or redemption fees. If these transaction costs had been included, your costs would have been higher. PORTFOLIO OF INVESTMENTS 2/28/07 (unaudited) The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes. Common Stocks - 95.5% - ---------------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - ---------------------------------------------------------------------------------------------------- Aerospace - 3.4% - ---------------------------------------------------------------------------------------------------- Boeing Co. 36,600 $ 3,194,082 Embraer-Empresa Brasileira de Aeronautica S.A., ADR 98,910 4,485,569 Precision Castparts Corp. 59,200 5,385,424 United Technologies Corp. 210,600 13,821,678 ------------ $ 26,886,753 - ---------------------------------------------------------------------------------------------------- Alcoholic Beverages - 0.3% - ---------------------------------------------------------------------------------------------------- Diageo PLC 103,600 $ 2,043,338 - ---------------------------------------------------------------------------------------------------- Apparel Manufacturers - 3.1% - ---------------------------------------------------------------------------------------------------- Coach, Inc. (a) 100,700 $ 4,753,040 LVMH Moet Hennessy Louis Vuitton S.A. (l) 39,800 4,409,005 NIKE, Inc., "B" 105,700 11,042,479 Phillips-Van Heusen Corp. 82,900 4,546,236 ------------ $ 24,750,760 - ---------------------------------------------------------------------------------------------------- Automotive - 0.8% - ---------------------------------------------------------------------------------------------------- Harman International Industries, Inc. 64,000 $ 6,346,240 - ---------------------------------------------------------------------------------------------------- Biotechnology - 3.7% - ---------------------------------------------------------------------------------------------------- Amgen, Inc. (a) 163,740 $ 10,521,932 Celgene Corp. (a)(l) 110,000 5,863,000 Genentech, Inc. (a) 18,900 1,594,593 Genzyme Corp. (a) 188,130 11,626,434 ------------ $ 29,605,959 - ---------------------------------------------------------------------------------------------------- Broadcasting - 1.7% - ---------------------------------------------------------------------------------------------------- News Corp., "A" 584,500 $ 13,168,785 - ---------------------------------------------------------------------------------------------------- Brokerage & Asset Managers - 4.1% - ---------------------------------------------------------------------------------------------------- Charles Schwab Corp. 87,000 $ 1,607,760 Chicago Mercantile Exchange Holdings, Inc., "A" 5,700 3,073,041 E*TRADE Financial Corp. (a) 104,000 2,401,360 Franklin Resources, Inc. 49,900 5,857,761 Goldman Sachs Group, Inc. 39,600 7,983,360 Mellon Financial Corp. 214,900 9,333,107 Morgan Stanley 32,000 2,397,440 ------------ $ 32,653,829 - ---------------------------------------------------------------------------------------------------- Business Services - 4.8% - ---------------------------------------------------------------------------------------------------- Accenture Ltd., "A" 193,700 $ 6,915,090 Amdocs Ltd. (a) 236,200 8,174,882 Automatic Data Processing, Inc. 124,400 6,193,876 Fidelity National Information Services, Inc. 180,900 8,312,355 First Data Corp. 330,000 8,424,900 ------------ $ 38,021,103 - ---------------------------------------------------------------------------------------------------- Cable TV - 1.4% - ---------------------------------------------------------------------------------------------------- Comcast Corp., "A" (a) 422,550 $ 10,867,986 - ---------------------------------------------------------------------------------------------------- Chemicals - 0.8% - ---------------------------------------------------------------------------------------------------- Monsanto Co. 120,800 $ 6,364,952 - ---------------------------------------------------------------------------------------------------- Computer Software - 5.4% - ---------------------------------------------------------------------------------------------------- Adobe Systems, Inc. (a) 304,300 $ 11,943,775 Autodesk, Inc. (a) 96,500 3,970,975 Microsoft Corp. (a) 394,400 11,110,248 Oracle Corp. (a) 972,200 15,973,246 ------------ $ 42,998,244 - ---------------------------------------------------------------------------------------------------- Computer Software - Systems - 1.3% - ---------------------------------------------------------------------------------------------------- Apple Computer, Inc. (a) 47,800 $ 4,044,358 Dell, Inc. (a) 86,500 1,976,525 Hewlett-Packard Co. 100,900 3,973,442 ------------ $ 9,994,325 - ---------------------------------------------------------------------------------------------------- Consumer Goods & Services - 4.4% - ---------------------------------------------------------------------------------------------------- Avon Products, Inc. 95,200 $ 3,490,032 Colgate-Palmolive Co. 155,900 10,501,424 eBay, Inc. (a) 121,800 3,904,908 Procter & Gamble Co. 192,300 12,209,127 Western Union Co. 239,700 5,194,299 ------------ $ 35,299,790 - ---------------------------------------------------------------------------------------------------- Electrical Equipment - 3.7% - ---------------------------------------------------------------------------------------------------- Danaher Corp. 28,600 $ 2,048,904 General Electric Co. 479,800 16,754,616 Rockwell Automation, Inc. 177,000 10,989,930 ------------ $ 29,793,450 - ---------------------------------------------------------------------------------------------------- Electronics - 4.0% - ---------------------------------------------------------------------------------------------------- Applied Materials, Inc. 115,000 $ 2,135,550 ASML Holding N.V. (a) 195,500 4,805,390 Intel Corp. 595,700 11,824,645 Marvell Technology Group Ltd. (a) 129,900 2,665,548 National Semiconductor Corp. 79,500 2,036,790 Texas Instruments, Inc. 258,000 7,987,680 ------------ $ 31,455,603 - ---------------------------------------------------------------------------------------------------- Energy - Independent - 1.1% - ---------------------------------------------------------------------------------------------------- Devon Energy Corp. 61,000 $ 4,008,310 Occidental Petroleum Corp. 47,500 2,193,550 XTO Energy, Inc. 48,800 2,521,008 ------------ $ 8,722,868 - ---------------------------------------------------------------------------------------------------- Food & Beverages - 3.6% - ---------------------------------------------------------------------------------------------------- Nestle S.A 40,910 $ 15,248,257 PepsiCo, Inc. 210,120 13,269,078 ------------ $ 28,517,335 - ---------------------------------------------------------------------------------------------------- Food & Drug Stores - 0.7% - ---------------------------------------------------------------------------------------------------- CVS Corp. 190,500 $ 5,983,605 - ---------------------------------------------------------------------------------------------------- Gaming & Lodging - 1.6% - ---------------------------------------------------------------------------------------------------- Harrah's Entertainment, Inc. 29,300 $ 2,475,557 International Game Technology 96,100 3,964,125 Royal Caribbean Cruises Ltd. (l) 148,200 6,006,546 ------------ $ 12,446,228 - ---------------------------------------------------------------------------------------------------- General Merchandise - 1.5% - ---------------------------------------------------------------------------------------------------- Target Corp. 199,960 $ 12,303,539 - ---------------------------------------------------------------------------------------------------- Health Maintenance Organizations - 2.5% - ---------------------------------------------------------------------------------------------------- UnitedHealth Group, Inc. 231,400 $ 12,079,080 WellPoint, Inc. (a) 101,400 8,050,146 ------------ $ 20,129,226 - ---------------------------------------------------------------------------------------------------- Insurance - 1.6% - ---------------------------------------------------------------------------------------------------- Aflac, Inc. 110,800 $ 5,229,760 Prudential Financial, Inc. 82,200 7,475,268 ------------ $ 12,705,028 - ---------------------------------------------------------------------------------------------------- Internet - 2.2% - ---------------------------------------------------------------------------------------------------- Google, Inc., "A" (a) 26,445 $ 11,885,705 Yahoo!, Inc. (a) 179,800 5,548,628 ------------ $ 17,434,333 - ---------------------------------------------------------------------------------------------------- Leisure & Toys - 0.6% - ---------------------------------------------------------------------------------------------------- Electronic Arts, Inc. (a) 98,330 $ 4,957,799 - ---------------------------------------------------------------------------------------------------- Machinery & Tools - 0.9% - ---------------------------------------------------------------------------------------------------- Deere & Co. 65,300 $ 7,079,826 - ---------------------------------------------------------------------------------------------------- Major Banks - 1.5% - ---------------------------------------------------------------------------------------------------- State Street Corp. 181,000 $ 11,857,310 - ---------------------------------------------------------------------------------------------------- Medical & Health Technology & Services - 2.0% - ---------------------------------------------------------------------------------------------------- Cardinal Health, Inc. 115,500 $ 8,095,395 Caremark Rx, Inc. 46,800 2,882,412 Cerner Corp. (a)(l) 25,000 1,302,750 IMS Health, Inc. 139,300 4,022,984 ------------ $ 16,303,541 - ---------------------------------------------------------------------------------------------------- Medical Equipment - 6.6% - ---------------------------------------------------------------------------------------------------- Advanced Medical Optics, Inc. (a)(l) 111,000 $ 4,277,940 Baxter International, Inc. 174,200 8,711,742 Cytyc Corp. (a) 133,100 4,032,930 DENTSPLY International, Inc. 188,900 5,957,906 Medtronic, Inc. 182,860 9,208,830 St. Jude Medical, Inc. (a) 116,100 4,603,365 Stryker Corp. 64,400 3,994,088 Thermo Electron Corp. (a) 260,700 11,801,889 ------------ $ 52,588,690 - ---------------------------------------------------------------------------------------------------- Network & Telecom - 5.0% - ---------------------------------------------------------------------------------------------------- Cisco Systems, Inc. (a) 783,600 $ 20,326,584 Corning, Inc. (a) 99,500 2,052,685 Juniper Networks, Inc. (a) 316,500 5,985,015 Nokia Oyj 90,400 1,972,266 QUALCOMM, Inc. 241,860 9,742,121 ------------ $ 40,078,671 - ---------------------------------------------------------------------------------------------------- Oil Services - 1.7% - ---------------------------------------------------------------------------------------------------- Noble Corp. 57,400 $ 4,030,628 Schlumberger Ltd. 157,600 9,897,280 ------------ $ 13,927,908 - ---------------------------------------------------------------------------------------------------- Other Banks & Diversified Financials - 2.0% - ---------------------------------------------------------------------------------------------------- American Express Co. 112,480 $ 6,396,738 SLM Corp. 62,300 2,655,226 UBS AG 109,678 6,505,673 ------------ $ 15,557,637 - ---------------------------------------------------------------------------------------------------- Personal Computers & Peripherals - 1.5% - ---------------------------------------------------------------------------------------------------- EMC Corp. (a) 848,550 $ 11,837,273 - ---------------------------------------------------------------------------------------------------- Pharmaceuticals - 8.1% - ---------------------------------------------------------------------------------------------------- Abbott Laboratories 162,400 $ 8,870,288 Allergan, Inc. 93,700 10,467,227 Johnson & Johnson 151,820 9,572,251 Roche Holding AG (l) 93,900 16,759,460 Teva Pharmaceutical Industries Ltd., ADR 160,200 5,696,712 Wyeth 270,000 13,208,400 ------------ $ 64,574,338 - ---------------------------------------------------------------------------------------------------- Railroad & Shipping - 0.6% - ---------------------------------------------------------------------------------------------------- Burlington Northern Santa Fe Corp. 60,300 $ 4,775,157 - ---------------------------------------------------------------------------------------------------- Specialty Chemicals - 1.3% - ---------------------------------------------------------------------------------------------------- Bunge Ltd. 78,000 $ 6,190,080 Praxair, Inc. 65,700 4,053,033 ------------ $ 10,243,113 - ---------------------------------------------------------------------------------------------------- Specialty Stores - 2.8% - ---------------------------------------------------------------------------------------------------- Lowe's Cos., Inc. 303,200 $ 9,872,192 Nordstrom, Inc. 36,300 1,927,167 Staples, Inc. 387,500 10,082,750 ------------ $ 21,882,109 - ---------------------------------------------------------------------------------------------------- Telecommunications - Wireless - 1.8% - ---------------------------------------------------------------------------------------------------- America Movil S.A. de C.V., "L", ADR 318,900 $ 13,967,820 - ---------------------------------------------------------------------------------------------------- Tobacco - 0.6% - ---------------------------------------------------------------------------------------------------- Altria Group, Inc. 52,800 $ 4,449,984 - ---------------------------------------------------------------------------------------------------- Trucking - 0.8% - ---------------------------------------------------------------------------------------------------- FedEx Corp. 52,600 $ 6,005,868 - ---------------------------------------------------------------------------------------------------- TOTAL COMMON STOCKS (IDENTIFIED COST, $746,238,635) $758,580,323 - ---------------------------------------------------------------------------------------------------- Repurchase Agreements - 4.5% - ---------------------------------------------------------------------------------------------------- Merrill Lynch & Co., 5.32%, dated 2/28/07, due 3/01/07, total to be received $35,425,234 (secured by various U.S. Treasury and Federal Agency obligations and Mortgage Backed securities in a jointly traded account), at Cost $35,420,000 $ 35,420,000 - ---------------------------------------------------------------------------------------------------- Collateral for Securities Loaned - 3.9% - ---------------------------------------------------------------------------------------------------- Navigator Securities Lending Prime Portfolio, at Cost and Net Asset Value 31,175,215 $ 31,175,215 - ---------------------------------------------------------------------------------------------------- TOTAL INVESTMENTS (IDENTIFIED COST, $812,833,850) $825,175,538 - ---------------------------------------------------------------------------------------------------- Other Assets, Less Liabilities - (3.9)% (30,616,736) - ---------------------------------------------------------------------------------------------------- NET ASSETS - 100.0% $794,558,802 - ---------------------------------------------------------------------------------------------------- (a) Non-income producing security. (l) All or a portion of this security is on loan. The following abbreviations are used in this report and are defined: ADR American Depository Receipt SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF ASSETS AND LIABILITIES At 2/28/07 (unaudited) This statement represents your fund's balance sheet, which details the assets and liabilities comprising the total value of the fund. ASSETS - ------------------------------------------------------------------------------------------------------ Investments, at value, including $29,930,508 of securities on loan (identified cost, $812,833,850) $825,175,538 Cash 925 Receivable for investments sold 37,233,111 Receivable for fund shares sold 773,603 Interest and dividends receivable 710,062 Other assets 30,819 - ------------------------------------------------------------------------------------------------------ Total assets $863,924,058 - ------------------------------------------------------------------------------------------------------ LIABILITIES - ------------------------------------------------------------------------------------------------------ Payable for investments purchased $35,257,101 Payable for fund shares reacquired 2,272,258 Collateral for securities loaned, at value 31,175,215 Payable to affiliates Management fee 28,698 Shareholder servicing costs 373,222 Distribution and service fees 21,642 Administrative services fee 819 Retirement plan administration and services fees 259 Payable for independent trustees' compensation 51,684 Accrued expenses and other liabilities 184,298 - ------------------------------------------------------------------------------------------------------ Total liabilities $69,365,256 - ------------------------------------------------------------------------------------------------------ Net assets $794,558,802 - ------------------------------------------------------------------------------------------------------ NET ASSETS CONSIST OF - ------------------------------------------------------------------------------------------------------ Paid-in capital $794,148,088 Unrealized appreciation (depreciation) on investments and translation of assets and liabilities in foreign currencies 12,341,516 Accumulated distributions in excess of net realized gain on investments and foreign currency transactions (10,318,342) Accumulated net investment loss (1,612,460) - ------------------------------------------------------------------------------------------------------ Net assets $794,558,802 - ------------------------------------------------------------------------------------------------------ Shares of beneficial interest outstanding 42,714,791 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class A shares - ------------------------------------------------------------------------------------------------------ Net assets $507,899,910 Shares outstanding 27,006,007 - ------------------------------------------------------------------------------------------------------ Net asset value per share $18.81 - ------------------------------------------------------------------------------------------------------ Offering price per share (100/94.25Xnet asset value per share) $19.96 - ------------------------------------------------------------------------------------------------------ Class B shares - ------------------------------------------------------------------------------------------------------ Net assets $152,687,427 Shares outstanding 8,498,877 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $17.97 - ------------------------------------------------------------------------------------------------------ Class C shares - ------------------------------------------------------------------------------------------------------ Net assets $54,430,455 Shares outstanding 3,029,732 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $17.97 - ------------------------------------------------------------------------------------------------------ Class I shares - ------------------------------------------------------------------------------------------------------ Net assets $32,358,512 Shares outstanding 1,674,087 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $19.33 - ------------------------------------------------------------------------------------------------------ Class W shares - ------------------------------------------------------------------------------------------------------ Net assets $325,166 Shares outstanding 17,249 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.85 - ------------------------------------------------------------------------------------------------------ Class R shares - ------------------------------------------------------------------------------------------------------ Net assets $4,382,238 Shares outstanding 234,250 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.71 - ------------------------------------------------------------------------------------------------------ Class R1 shares - ------------------------------------------------------------------------------------------------------ Net assets $421,736 Shares outstanding 23,521 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $17.93 - ------------------------------------------------------------------------------------------------------ Class R2 shares - ------------------------------------------------------------------------------------------------------ Net assets $1,067,690 Shares outstanding 59,198 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.04 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class R3 shares - ------------------------------------------------------------------------------------------------------ Net assets $2,638,687 Shares outstanding 141,986 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.58 - ------------------------------------------------------------------------------------------------------ Class R4 shares - ------------------------------------------------------------------------------------------------------ Net assets $418,185 Shares outstanding 22,257 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.79 - ------------------------------------------------------------------------------------------------------ Class R5 shares - ------------------------------------------------------------------------------------------------------ Net assets $37,928,796 Shares outstanding 2,007,627 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $18.89 - ------------------------------------------------------------------------------------------------------ On sales of $50,000 or more, the offering price of Class A shares is reduced. A contingent deferred sales charge may be imposed on redemptions of Class A, Class B, and Class C shares. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF OPERATIONS Six months ended 2/28/07 (unaudited) This statement describes how much your fund earned in investment income and accrued in expenses. It also describes any gains and/or losses generated by fund operations. NET INVESTMENT LOSS - ------------------------------------------------------------------------------------------------------ Income Dividends $3,292,179 Interest 906,598 Other 16,241 Foreign taxes withheld (2,173) - ------------------------------------------------------------------------------------------------------ Total investment income $4,212,845 - ------------------------------------------------------------------------------------------------------ Expenses Management fee $3,040,591 Distribution and service fees 2,029,056 Shareholder servicing costs 751,929 Administrative services fee 75,120 Retirement plan administration and services fees 21,792 Independent trustees' compensation 16,164 Custodian fee 127,150 Shareholder communications 57,048 Auditing fees 22,589 Legal fees 11,293 Miscellaneous 67,736 - ------------------------------------------------------------------------------------------------------ Total expenses $6,220,468 - ------------------------------------------------------------------------------------------------------ Fees paid indirectly (30,581) Reduction of expenses by investment adviser (410,146) - ------------------------------------------------------------------------------------------------------ Net expenses $5,779,741 - ------------------------------------------------------------------------------------------------------ Net investment loss $(1,566,896) - ------------------------------------------------------------------------------------------------------ REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS - ------------------------------------------------------------------------------------------------------ Realized gain (loss) (identified cost basis) Investment transactions $60,672,542 Foreign currency transactions (16,181) - ------------------------------------------------------------------------------------------------------ Net realized gain (loss) on investments and foreign currency transactions $60,656,361 - ------------------------------------------------------------------------------------------------------ Change in unrealized appreciation (depreciation) Investments $4,525,945 Translation of assets and liabilities in foreign currencies (1,444) - ------------------------------------------------------------------------------------------------------ Net unrealized gain (loss) on investments and foreign currency translation $4,524,501 - ------------------------------------------------------------------------------------------------------ Net realized and unrealized gain (loss) on investments and foreign currency $65,180,862 - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $63,613,966 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENTS OF CHANGES IN NET ASSETS These statements describe the increases and/or decreases in net assets resulting from operations, any distributions, and any shareholder transactions. SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 (UNAUDITED) CHANGE IN NET ASSETS FROM OPERATIONS - ------------------------------------------------------------------------------------------------------- Net investment loss $(1,566,896) $(4,365,228) Net realized gain (loss) on investments and foreign currency transactions 60,656,361 93,384,086 Net unrealized gain (loss) on investments and foreign currency translation 4,524,501 (42,339,584) - ------------------------------------------------------------------------------------------------------- Change in net assets from operations $63,613,966 $46,679,274 - ------------------------------------------------------------------------------------------------------- DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions Class A $(9,377,982) $-- Class B (3,077,555) -- Class C (1,080,532) -- Class I (633,987) -- Class W (1,875) -- Class R (106,755) -- Class R1 (10,327) -- Class R2 (20,208) -- Class R3 (40,450) -- Class R4 (5,764) -- Class R5 (670,116) -- - ------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(15,025,551) $-- - ------------------------------------------------------------------------------------------------------- Change in net assets from fund share transactions $(26,260,983) $(201,470,391) - ------------------------------------------------------------------------------------------------------- Total change in net assets $22,327,432 $(154,791,117) - ------------------------------------------------------------------------------------------------------- NET ASSETS - ------------------------------------------------------------------------------------------------------- At beginning of period 772,231,370 927,022,487 At end of period (including accumulated net investment loss of $1,612,460 and $45,564, respectively) $794,558,802 $772,231,370 - ------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Statements FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the fund's financial performance for the semiannual period and the past 5 fiscal years (or life of a particular share class, if shorter). Certain information reflects financial results for a single fund share. The total returns in the table represent the rate by which an investor would have earned (or lost) on an investment in the fund share class (assuming reinvestment of all distributions) held for the entire period. SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------- CLASS A 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $17.70 $16.82 $14.71 $14.41 $13.22 $16.89 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.02) $(0.05) $(0.01) $(0.07) $(0.07) $(0.12) Net realized and unrealized gain (loss) on investments and foreign currency 1.47 0.93 2.12 0.37 1.26 (3.55) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $1.45 $0.88 $2.11 $0.30 $1.19 $(3.67) - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- $-- $-- $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $18.81 $17.70 $16.82 $14.71 $14.41 $13.22 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 8.21(n) 5.23 14.34 2.08(b) 9.00 (21.73) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions(f) 1.38(a) 1.44 1.38 1.41 1.42 1.43 Expenses after expense reductions(f) 1.28(a) 1.34 1.28 1.36 N/A 1.47(e) Net investment loss (0.23)(a) (0.31) (0.08) (0.47) (0.52) (0.76) Portfolio turnover 100 245 184 261 312 257 Net assets at end of period (000 Omitted) $507,900 $504,761 $632,209 $404,511 $496,271 $417,986 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------- CLASS B 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $16.98 $16.24 $14.30 $14.09 $13.01 $16.72 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.08) $(0.16) $(0.11) $(0.16) $(0.15) $(0.22) Net realized and unrealized gain (loss) on investments and foreign currency 1.41 0.90 2.05 0.37 1.23 (3.49) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $1.33 $0.74 $1.94 $0.21 $1.08 $(3.71) - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- $-- $-- $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $17.97 $16.98 $16.24 $14.30 $14.09 $13.01 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 7.85(n) 4.56 13.57 1.49(b) 8.22 (22.13) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions(f) 2.03(a) 2.09 2.03 2.05 2.07 2.08 Expenses after expense reductions(f) 1.93(a) 1.99 1.93 2.00 N/A 2.12(e) Net investment loss (0.88)(a) (0.96) (0.73) (1.11) (1.18) (1.41) Portfolio turnover 100 245 184 261 312 257 Net assets at end of period (000 Omitted) $152,687 $162,868 $201,513 $138,226 $155,602 $114,619 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED --------------------------------------------------------------------- CLASS C 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $16.98 $16.23 $14.30 $14.10 $13.02 $16.73 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.08) $(0.16) $(0.11) $(0.16) $(0.15) $(0.22) Net realized and unrealized gain (loss) on investments and foreign currency 1.41 0.91 2.04 0.36 1.23 (3.49) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $1.33 $0.75 $1.93 $0.20 $1.08 $(3.71) - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- $-- $-- $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $17.97 $16.98 $16.23 $14.30 $14.10 $13.02 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 7.85(n) 4.62 13.50 1.42(b) 8.29 (22.18) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 2.03(a) 2.09 2.03 2.05 2.07 2.08 Expenses after expense reductions (f) 1.93(a) 1.99 1.93 2.00 N/A 2.12(e) Net investment loss (0.88)(a) (0.96) (0.69) (1.12) (1.18) (1.41) Portfolio turnover 100 245 184 261 312 257 Net assets at end of period (000 Omitted) $54,430 $58,523 $82,182 $91,225 $110,786 $82,441 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED --------------------------------------------------------------------- CLASS I 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $18.15 $17.18 $14.98 $14.63 $13.37 $17.01 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment income (loss) (d) $0.01 $0.00(w) $0.05 $(0.02) $(0.02) $(0.06) Net realized and unrealized gain (loss) on investments and foreign currency 1.51 0.97 2.15 0.37 1.28 (3.58) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $1.52 $0.97 $2.20 $0.35 $1.26 $(3.64) - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- $-- $-- $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $19.33 $18.15 $17.18 $14.98 $14.63 $13.37 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s) 8.39(n) 5.65 14.69 2.39(b) 9.42 (21.40) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 1.03(a) 1.06 1.02 1.06 1.07 1.08 Expenses after expense reductions (f) 0.93(a) 0.96 0.92 1.01 N/A 1.12(e) Net investment income (loss) 0.12(a) 0.03 0.32 (0.11) (0.16) (0.39) Portfolio turnover 100 245 184 261 312 257 Net assets at end of period (000 Omitted) $32,359 $34,998 $3,816 $4,136 $4,317 $4,403 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS ENDED YEAR ENDED CLASS W 2/28/07 8/31/06(i) (UNAUDITED) Net asset value, beginning of period $17.72 $18.35 - ----------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $0.01 $(0.00)(w) Net realized and unrealized gain (loss) on investments and foreign currency 1.46 (0.63)(g) - ----------------------------------------------------------------------------------------------------------- Total from investment operations $1.47 $(0.63) - ----------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(0.34) $-- - ----------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.85 $17.72 - ----------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.31(n) (3.43)(n) - ----------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.13(a) 1.18(a) Expenses after expense reductions (f) 1.03(a) 1.08(a) Net investment income (loss) 0.10(a) (0.03)(a) Portfolio turnover 100 245 Net assets at end of period (000 Omitted) $325 $97 - ----------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------- CLASS R 2/28/07 2006 2005 2004 2003(i) (UNAUDITED) Net asset value, beginning of period $17.62 $16.77 $14.69 $14.41 $12.35 - -------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.04) $(0.08) $(0.04) $(0.09) $(0.08) Net realized and unrealized gain (loss) on investments and foreign currency 1.47 0.93 2.12 0.37 2.14(g) - -------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.43 $0.85 $2.08 $0.28 $2.06 - -------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - -------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- $-- $-- - -------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.71 $17.62 $16.77 $14.69 $14.41 - -------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.13(n) 5.07 14.16 1.94(b) 16.68(n) - -------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.53(a) 1.59 1.54 1.56 1.65(a) Expenses after expense reductions (f) 1.43(a) 1.49 1.44 1.51 N/A Net investment loss (0.39)(a) (0.46) (0.25) (0.60) (0.82)(a) Portfolio turnover 100 245 184 261 312 Net assets at end of period (000 Omitted) $4,382 $5,735 $5,904 $3,266 $1,869 - -------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R1 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $16.95 $16.23 $15.35 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.09) $(0.17) $(0.08) Net realized and unrealized gain (loss) on investments and foreign currency 1.41 0.89 0.96(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.32 $0.72 $0.88 - --------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $17.93 $16.95 $16.23 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 7.80(n) 4.44 5.73(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.23(a) 2.28 2.35(a) Expenses after expense reductions (f) 2.03(a) 2.09 2.25(a) Net investment loss (0.99)(a) (1.07) (1.21)(a) Portfolio turnover 100 245 184 Net assets at end of period (000 Omitted) $422 $506 $80 - --------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R2 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $17.03 $16.25 $15.35 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.06) $(0.11) $(0.04) Net realized and unrealized gain (loss) on investments and foreign currency 1.41 0.89 0.94(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.35 $0.78 $0.90 - --------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.04 $17.03 $16.25 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 7.94(n) 4.80 5.86(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.93(a) 1.97 2.04(a) Expenses after expense reductions (f) 1.68(a) 1.73 1.94(a) Net investment loss (0.68)(a) (0.67) (0.67)(a) Portfolio turnover 100 245 184 Net assets at end of period (000 Omitted) $1,068 $2,598 $437 - --------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED --------------------------------------------- CLASS R3 2/28/07 2006 2005 2004(i) (UNAUDITED) Net asset value, beginning of period $17.52 $16.70 $14.67 $14.63 - ------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.05) $(0.11) $(0.06) $(0.06) Net realized and unrealized gain (loss) on investments and foreign currency 1.45 0.93 2.09 0.10(g) - ------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.40 $0.82 $2.03 $0.04 - ------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- $-- - ------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.58 $17.52 $16.70 $14.67 - ------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.01(n) 4.91 13.84 0.27(b)(n) - ------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.78(a) 1.85 1.82 1.95(a) Expenses after expense reductions (f) 1.58(a) 1.65 1.72 1.90(a) Net investment loss (0.52)(a) (0.60) (0.48) (0.48)(a) Portfolio turnover 100 245 184 261 Net assets at end of period (000 Omitted) $2,639 $1,804 $774 $105 - ------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R4 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $17.69 $16.81 $15.85 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.03) $(0.06) $(0.03) Net realized and unrealized gain (loss) on investments and foreign currency 1.47 0.94 0.99(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.44 $0.88 $0.96 - --------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.79 $17.69 $16.81 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.16(n) 5.23 6.06(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.43(a) 1.48 1.56(a) Expenses after expense reductions (f) 1.33(a) 1.38 1.46(a) Net investment loss (0.27)(a) (0.36) (0.41)(a) Portfolio turnover 100 245 184 Net assets at end of period (000 Omitted) $418 $286 $53 - --------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R5 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $17.76 $16.83 $15.85 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $0.00(w) $(0.01) $(0.01) Net realized and unrealized gain (loss) on investments and foreign currency 1.47 0.94 0.99(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.47 $0.93 $0.98 - --------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - --------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $(0.34) $-- $-- - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.89 $17.76 $16.83 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 8.30(n) 5.53 6.18(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.13(a) 1.19 1.26(a) Expenses after expense reductions (f) 1.03(a) 1.09 1.16(a) Net investment income (loss) 0.05(a) (0.06) (0.11)(a) Portfolio turnover 100 245 184 Net assets at end of period (000 Omitted) $37,929 $56 $53 - --------------------------------------------------------------------------------------------------------------------- Any redemption fees charged by the fund during the 2004 and 2005 fiscal years resulted in a per share impact of less than $0.01. (a) Annualized. (b) The fund's net asset value and total return calculation include a non-recurring accrual recorded as a result of an administrative proceeding regarding disclosure of brokerage allocation practices in connection with fund sales. The non-recurring accrual resulted in an increase in the net asset value of $0.01 per share based on shares outstanding on the day the proceeds were recorded. (d) Per share data are based on average shares outstanding. (e) Ratio includes a reimbursement fee for expenses borne by MFS in prior years under the then existing expense reimbursement agreement. (f) Ratios do not reflect reductions from fees paid indirectly. (g) The per share amount is not in accordance with the net realized and unrealized gain/loss for the period because of the timing of sales of fund shares and the per share amount of realized and unrealized gains and losses at such time. (i) For the period from the class' inception, December 31, 2002 (Class R), October 31, 2003 (Class R3), April 1, 2005 (Classes R1, R2, R4, and R5) and May 1, 2006 (Class W) through the stated period end. (n) Not annualized. (r) Certain expenses have been reduced without which performance would have been lower. (s) From time to time the fund may receive proceeds from litigation settlements, without which performance would be lower. (t) Total returns do not include any applicable sales charges. (w) Per share amount was less than $0.01. SEE NOTES TO FINANCIAL STATEMENTS NOTES TO FINANCIAL STATEMENTS (unaudited) (1) BUSINESS AND ORGANIZATION MFS Core Growth Fund (the fund) is a series of MFS Series Trust I (the trust). The trust is organized as a Massachusetts business trust and is registered under the Investment Company Act of 1940, as amended, as an open-end management investment company. (2) SIGNIFICANT ACCOUNTING POLICIES GENERAL - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The fund can invest in foreign securities, including securities of emerging market issuers. Investments in foreign securities are vulnerable to the effects of changes in the relative values of the local currency and the U.S. dollar and to the effects of changes in each country's legal, political, and economic environment. The markets of emerging markets countries are generally more volatile than the markets of developed countries with more mature economies. All of the risks of investing in foreign securities previously described are heightened when investing in emerging markets countries. INVESTMENT VALUATIONS - Equity securities, including restricted equity securities, are generally valued at the last sale or official closing price as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities for which there were no sales reported that day, equity securities are generally valued at the last quoted daily bid quotation as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities held short for which there were no sales reported for the day, the position is generally valued at the last quoted daily ask quotation as reported by an independent pricing service on the market or exchange on which such securities are primarily traded. Short-term instruments with a maturity at issuance of 60 days or less may be valued at amortized cost, which approximates market value. Open-end investment companies are generally valued at their net asset value per share. Securities and other assets generally valued on the basis of information from an independent pricing service may also be valued at a broker-dealer bid quotation. The values of foreign securities and other assets and liabilities expressed in foreign currencies are converted to U.S. dollars using the mean of bid and asked prices for rates reported by an independent pricing service. The Board of Trustees has delegated primary responsibility for determining or causing to be determined the value of the fund's investments (including any fair valuation) to the adviser pursuant to valuation policies and procedures approved by the Board. If the adviser determines that reliable market quotations are not readily available, investments are valued at fair value as determined in good faith by the adviser in accordance with such procedures under the oversight of the Board of Trustees. Under the fund's valuation policies and procedures, market quotations are not considered to be readily available for many types of debt instruments and certain types of derivatives. These investments are generally valued at fair value based on information from independent pricing services. In addition, investments may be valued at fair value if the adviser determines that an investment's value has been materially affected by events occurring after the close of the exchange or market on which the investment is principally traded (such as foreign exchange or market) and prior to the determination of the fund's net asset value, or after the halting of trading of a specific security where trading does not resume prior to the close of the exchange or market on which the security is principally traded. Events that occur on a frequent basis after foreign markets close (such as developments in foreign markets and significant movements in the U.S. markets) and prior to the determination of the fund's net asset value may be deemed to have a material affect on the value of securities traded in foreign markets. Accordingly, the fund's foreign equity securities may often be valued at fair value. The adviser may rely on independent pricing services or other information (such as the correlation with price movements of similar securities in the same or other markets; the type, cost and investment characteristics of the security; the business and financial condition of the issuer; and trading and other market data) to assist in determining whether to fair value and at what value to fair value an investment. The value of an investment for purposes of calculating the fund's net asset value can differ depending on the source and method used to determine value. When fair valuation is used, the value of investments used to determine the fund's net asset value may differ from quoted or published prices for the same investments. In September 2006, FASB Statement No. 157, Fair Value Measurements (the "Statement") was issued, and is effective for fiscal years beginning after November 15, 2007 and for all interim periods within those fiscal years. This Statement provides a single definition of fair value, a hierarchy for measuring fair value and expanded disclosures about fair value measurements. Management is evaluating the application of the Statement to the fund, and believes the impact will be limited to expanded disclosures resulting from the adoption of this Statement in the fund's financial statements. REPURCHASE AGREEMENTS - The fund may enter into repurchase agreements with institutions that the fund's investment adviser has determined are creditworthy. Each repurchase agreement is recorded at cost. The fund requires that the securities collateral in a repurchase transaction be transferred to the custodian in a manner sufficient to enable the fund to obtain those securities in the event of a default under the repurchase agreement. The fund monitors, on a daily basis, the value of the collateral to ensure that its value, including accrued interest, is greater than amounts owed to the fund under each such repurchase agreement. The fund and other funds managed by Massachusetts Financial Services Company (MFS), may utilize a joint trading account for the purpose of entering into one or more repurchase agreements. FOREIGN CURRENCY TRANSLATION - Purchases and sales of foreign investments, income, and expenses are converted into U.S. dollars based upon currency exchange rates prevailing on the respective dates of such transactions. Gains and losses attributable to foreign currency exchange rates on sales of securities are recorded for financial statement purposes as net realized gains and losses on investments. Gains and losses attributable to foreign exchange rate movements on income and expenses are recorded for financial statement purposes as foreign currency transaction gains and losses. That portion of both realized and unrealized gains and losses on investments that results from fluctuations in foreign currency exchange rates is not separately disclosed. SECURITY LOANS - State Street Bank and Trust Company ("State Street"), as lending agent, may loan the securities of the fund to certain qualified institutions (the "Borrowers") approved by the fund. The loans are collateralized at all times by cash and/or U.S. Treasury securities in an amount at least equal to the market value of the securities loaned. State Street provides the fund with indemnification against Borrower default. The fund bears the risk of loss with respect to the investment of cash collateral. On loans collateralized by cash, the cash collateral is invested in a money market fund or short-term securities. A portion of the income generated upon investment of the collateral is remitted to the Borrowers, and the remainder is allocated between the fund and the lending agent. On loans collateralized by U.S. Treasury securities, a fee is received from the Borrower, and is allocated between the fund and the lending agent. Net income from securities lending is included in interest income on the Statement of Operations. The dividend and interest income earned on the securities loaned is accounted for in the same manner as other dividend and interest income. INDEMNIFICATIONS - Under the fund's organizational documents, its officers and trustees may be indemnified against certain liabilities and expenses arising out of the performance of their duties to the fund. Additionally, in the normal course of business, the fund enters into agreements with service providers that may contain indemnification clauses. The fund's maximum exposure under these agreements is unknown as this would involve future claims that may be made against the fund that have not yet occurred. INVESTMENT TRANSACTIONS AND INCOME - Investment transactions are recorded on the trade date. Interest income is recorded on the accrual basis. All premium and discount is amortized or accreted for financial statement purposes in accordance with U.S. generally accepted accounting principles. All discount is accreted for tax reporting purposes as required by federal income tax regulations. Dividends received in cash are recorded on the ex-dividend date. Certain dividends from foreign securities will be recorded when the fund is informed of the dividend if such information is obtained subsequent to the ex- dividend date. Dividend and interest payments received in additional securities are recorded on the ex-dividend or ex-interest date in an amount equal to the value of the security on such date. The fund may receive proceeds from litigation settlements. Any proceeds received from litigation involving its portfolio holdings are reflected in realized gain/loss in the Statement of Operations, or in unrealized gain/loss if the security is still held by the fund. Any other proceeds from litigation not related to portfolio holdings are reflected as other income in the Statement of Operations. FEES PAID INDIRECTLY - The fund's custody fee is reduced according to an arrangement that measures the value of cash deposited with the custodian by the fund. This amount, for the six months ended February 28, 2007, is shown as a reduction of total expenses on the Statement of Operations. TAX MATTERS AND DISTRIBUTIONS - The fund intends to qualify as a regulated investment company, as defined under Subchapter M of the Internal Revenue Code, and to distribute all of its taxable income, including realized capital gains. Accordingly, no provision for federal income tax is required in the financial statements. Foreign taxes, if any, have been accrued by the fund in the accompanying financial statements. Distributions to shareholders are recorded on the ex-dividend date. Income and capital gain distributions are determined in accordance with income tax regulations, which may differ from U.S. generally accepted accounting principles. Certain capital accounts in the financial statements are periodically adjusted for permanent differences in order to reflect their tax character. These adjustments have no impact on net assets or net asset value per share. Temporary differences which arise from recognizing certain items of income, expense, gain or loss in different periods for financial statement and tax purposes will reverse at some time in the future. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. Book/tax differences primarily relate to net operating losses, expiration of capital loss carryforwards, and wash sale loss deferrals. The tax character of distributions made during the current period will be determined at fiscal year end. The fund declared no distributions for the year ended August 31, 2006. The federal tax cost and the tax basis components of distributable earnings were as follows: AS OF 2/28/07 Cost of investments $822,811,993 ------------------------------------------------------------ Gross appreciation $22,324,427 Gross depreciation (19,960,882) ------------------------------------------------------------ Net unrealized appreciation (depreciation) $2,363,545 AS OF 8/31/06 Undistributed ordinary income 5,724,975 Undistributed long-term capital gain 9,296,863 Capital loss carryforwards (59,221,280) Other temporary differences (1,815,859) Net unrealized appreciation (depreciation) (2,162,400) The aggregate cost above includes prior fiscal year end tax adjustments. As of August 31, 2006 the fund had capital loss carryforwards available to offset future realized gains. Such losses expire as follows: 8/31/09 $(33,513,254) 8/31/10 (25,708,026) ------------------------------------------------------------ $(59,221,280) The availability of a portion of the capital loss carryforwards, which were acquired on June 3, 2005 in connection with the MFS Large Cap Growth Fund merger, may be limited in a given year. In June 2006, FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes (the "Interpretation") was issued, and is effective for fiscal years beginning after December 15, 2006 and is to be applied to all open tax years as of the effective date. On December 22, 2006, the SEC delayed the implementation of the Interpretation for regulated investment companies for an additional six months. This Interpretation prescribes a minimum threshold for financial statement recognition of the benefit of a tax position taken or expected to be taken in a tax return, and requires certain expanded disclosures. Management is evaluating the application of the Interpretation to the fund, and has not at this time determined the impact, if any, resulting from the adoption of this Interpretation on the fund's financial statements. MULTIPLE CLASSES OF SHARES OF BENEFICIAL INTEREST - The fund offers multiple classes of shares, which differ in their respective distribution and service fees. All shareholders bear the common expenses of the fund based on daily net assets of each class, without distinction between share classes. Dividends are declared separately for each class. Differences in per share dividend rates are generally due to differences in separate class expenses. Class B shares will convert to Class A shares approximately eight years after purchase. (3) TRANSACTIONS WITH AFFILIATES INVESTMENT ADVISER - The fund has an investment advisory agreement with MFS to provide overall investment management and related administrative services and facilities to the fund. The management fee is computed daily and paid monthly at an annual rate of 0.75% of the fund's average daily net assets. As part of a settlement agreement with the New York Attorney General concerning market timing and related matters, MFS has agreed to reduce the management fee to 0.65% of the fund's average daily net assets for the period March 1, 2004 through February 28, 2009. For the six months ended February 28, 2007, this waiver amounted to $405,413 and is reflected as a reduction of total expenses in the Statement of Operations. The management fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.65% of the fund's average daily net assets. DISTRIBUTOR - MFS Fund Distributors, Inc. (MFD), a wholly-owned subsidiary of MFS, as distributor, received $30,316 for the six months ended February 28, 2007, as its portion of the initial sales charge on sales of Class A shares of the fund. The Board of Trustees has adopted a distribution plan for certain class shares pursuant to Rule 12b-1 of the Investment Company Act of 1940. The fund's distribution plan provides that the fund will pay MFD for services provided by MFD and financial intermediaries in connection with the distribution and servicing of certain share classes. One component of the plan is a distribution fee paid to MFD and another component of the plan is a service fee paid to MFD. MFD may subsequently pay all, or a portion, of the distribution and/or service fees to financial intermediaries. Distribution Fee Plan Table: TOTAL ANNUAL DISTRIBUTION DISTRIBUTION SERVICE DISTRIBUTION EFFECTIVE AND SERVICE FEE RATE FEE RATE PLAN(d) RATE(e) FEE Class A 0.10% 0.25% 0.35% 0.35% $905,333 Class B 0.75% 0.25% 1.00% 1.00% 811,169 Class C 0.75% 0.25% 1.00% 1.00% 286,068 Class W 0.10% -- 0.10% 0.10% 68 Class R 0.25% 0.25% 0.50% 0.50% 14,482 Class R1 0.50% 0.25% 0.75% 0.75% 1,938 Class R2 0.25% 0.25% 0.50% 0.50% 4,236 Class R3 0.25% 0.25% 0.50% 0.50% 5,326 Class R4 -- 0.25% 0.25% 0.25% 436 - --------------------------------------------------------------------------------------------------------------------- Total Distribution and Service Fees $2,029,056 (d) In accordance with the distribution plan for certain classes, the fund pays distribution and/or service fees up to these annual percentage rates of each class' average daily net assets. (e) The annual effective rates represent actual fees incurred under the distribution plan for the six months ended February 28, 2007 based on each class' average daily net assets. Certain Class A and Class C shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within 12 months of purchase. Class B shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within six years of purchase. All contingent deferred sales charges are paid to MFD and during the six months ended February 28, 2007, were as follows: AMOUNT Class A $4,292 Class B 116,874 Class C 6,532 SHAREHOLDER SERVICING AGENT - MFS Service Center, Inc. (MFSC), a wholly-owned subsidiary of MFS, receives a fee from the fund for its services as shareholder servicing agent calculated as a percentage of the average daily net assets of the fund as determined periodically under the supervision of the fund's Board of Trustees. For the six months ended February 28, 2007, the fee was $309,012, which equated to 0.0762% annually of the fund's average daily net assets. Effective January 1, 2007, MFSC has entered into a sub-accounting agreement with SunLife Retirement Services (U.S.), Inc. (SRS), an affiliate of MFSC, on behalf of the fund to provide omnibus account services to the fund. MFSC pays SRS both an asset based fee and a per account charge of the assets held in the omnibus account. The fund then reimburses MFSC for the sub- accounting fees paid to SRS. For the six months ended February 28, 2007, the sub-accounting fee for SRS was $43,811, which equated to 0.0108% annually of the fund's average daily net assets. MFSC also receives payment from the fund for out-of-pocket and sub-accounting expenses. For the six months ended February 28, 2007, these out-of-pocket and sub-accounting costs amounted to $304,212. The fund may also pay shareholder servicing related costs directly to non-related parties. ADMINISTRATOR - MFS provides certain financial, legal, shareholder communications, compliance, and other administrative services to the fund. Under an administrative services agreement, the fund partially reimburses MFS the costs incurred to provide these services. The fund is charged a fixed amount plus a fee based on calendar year average net assets. The fund's annual fixed amount is $17,500. The administrative services fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.0185% of the fund's average daily net assets. In addition to the administrative services provided by MFS to the fund as described above, MFS is responsible for providing certain retirement plan administration and services with respect to certain shares. These services include various administrative, recordkeeping, and communication/educational services with respect to the retirement plans which invest in these shares, and may be provided directly by MFS or by a third party. MFS may subsequently pay all, or a portion, of the retirement plan administration and services fee to affiliated or unaffiliated third parties. For the six months ended February 28, 2007, the fund paid MFS an annual retirement plan administration and services fee up to the following annual percentage rates of each class' average daily net assets: ANNUAL EFFECTIVE TOTAL FEE RATE RATE(g) AMOUNT Class R1 0.45% 0.35% $1,163 Class R2 0.40% 0.25% 3,373 Class R3 0.25% 0.15% 2,663 Class R4 0.15% 0.15% 262 Class R5 0.10% 0.10% 14,331 - -------------------------------------------------------------------------------- Total Retirement Plan Administration and Services Fees $21,792 (g) MFS has agreed in writing to waive a portion of the retirement plan administration and services fee equal to 0.10% for Class R1 shares, 0.15% for Class R2 shares, and 0.10% for Class R3 shares. This agreement will continue until at least September 30, 2008. For the six months ended February 28, 2007, this waiver amounted to $2,594 and is reflected as a reduction of total expenses in the Statement of Operations. TRUSTEES' AND OFFICERS' COMPENSATION - The fund pays compensation to independent trustees in the form of a retainer, attendance fees, and additional compensation to Board and Committee chairpersons. The fund does not pay compensation directly to trustees or officers of the fund who are also officers of the investment adviser, all of whom receive remuneration for their services to the fund from MFS. Certain officers and trustees of the fund are officers or directors of MFS, MFD, and MFSC. The fund has an unfunded, defined benefit plan for certain retired independent trustees which resulted in a pension expense of $336. The fund also has an unfunded retirement benefit deferral plan for certain independent trustees which resulted in an expense of $5,780. Both amounts are included in independent trustees' compensation for the six months ended February 28, 2007. The liability for deferred retirement benefits payable to certain independent trustees under both plans amounted to $50,058 at February 28, 2007, and is included in payable for independent trustees' compensation. OTHER - This fund and certain other MFS funds (the funds) have entered into a services agreement (the Agreement) which provides for payment of fees by the funds to Tarantino LLC in return for the provision of services of an Independent Chief Compliance Officer (ICCO) for the funds. The ICCO is an officer of the funds and the sole member of Tarantino LLC. The funds can terminate the Agreement with Tarantino LLC at any time under the terms of the Agreement. For the six months ended February 28, 2007, the fee paid to Tarantino LLC was $3,262. MFS has agreed to reimburse the fund for a portion of the payments made by the funds to Tarantino LLC in the amount of $2,139, which is shown as a reduction of total expenses in the Statement of Operations. Additionally, MFS has agreed to bear all expenses associated with office space, other administrative support, and supplies provided to the ICCO. (4) PORTFOLIO SECURITIES Purchases and sales of investments, other than U.S. government securities, purchased option transactions, and short-term obligations, aggregated $772,892,052 and $805,828,748, respectively. (5) SHARES OF BENEFICIAL INTEREST The fund's Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional shares of beneficial interest. Transactions in fund shares were as follows: SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06(i) SHARES AMOUNT SHARES AMOUNT Shares sold Class A 3,953,006 $73,410,643 6,430,188 $113,225,460 Class B 319,490 5,745,224 887,359 15,079,814 Class C 230,586 4,155,333 433,212 7,356,579 Class I 60,142 1,152,230 1,970,276 33,949,254 Class W 11,700 225,000 5,450 100,000 Class R 38,522 720,074 76,939 1,357,467 Class R1 15,663 288,055 29,696 489,931 Class R2 91,114 1,645,894 147,706 2,457,779 Class R3 162,729 3,086,456 88,327 1,546,974 Class R4 14,713 282,370 13,738 235,417 Class R5 2,074,480 38,136,011 4 75 - ----------------------------------------------------------------------------------------------------------- 6,972,145 $128,847,290 10,082,895 $175,798,750 Shares issued to shareholders in reinvestment of distributions Class A 415,970 $7,845,192 -- $-- Class B 158,310 2,855,923 -- -- Class C 43,991 793,595 -- -- Class I 32,730 633,987 -- -- Class W 99 1,875 -- -- Class R 4,941 92,700 -- -- Class R1 573 10,327 -- -- Class R2 1,116 20,208 -- -- Class R3 2,169 40,450 -- -- Class R4 306 5,764 -- -- Class R5 17,732 335,669 -- -- - ----------------------------------------------------------------------------------------------------------- 677,937 $12,635,690 -- $-- Shares reacquired Class A (5,879,459) $(109,662,863) (15,505,829) $(271,914,439) Class B (1,572,242) (28,394,937) (3,706,240) (62,822,571) Class C (691,978) (12,409,919) (2,048,446) (35,022,100) Class I (346,833) (6,727,514) (264,308) (4,682,666) Class R (134,695) (2,546,319) (103,586) (1,796,528) Class R1 (22,551) (415,116) (4,778) (79,351) Class R2 (185,598) (3,355,859) (22,019) (382,432) Class R3 (125,872) (2,389,344) (31,732) (556,427) Class R4 (8,927) (172,549) (727) (12,551) Class R5 (87,739) (1,669,543) (4) (76) - ----------------------------------------------------------------------------------------------------------- (9,055,894) $(167,743,963) (21,687,669) $(377,269,141) Net change Class A (1,510,483) $(28,407,028) (9,075,641) $(158,688,979) Class B (1,094,442) (19,793,790) (2,818,881) (47,742,757) Class C (417,401) (7,460,991) (1,615,234) (27,665,521) Class I (253,961) (4,941,297) 1,705,968 29,266,588 Class W 11,799 226,875 5,450 100,000 Class R (91,232) (1,733,545) (26,647) (439,061) Class R1 (6,315) (116,734) 24,918 410,580 Class R2 (93,368) (1,689,757) 125,687 2,075,347 Class R3 39,026 737,562 56,595 990,547 Class R4 6,092 115,585 13,011 222,866 Class R5 2,004,473 36,802,137 -- (1) - ----------------------------------------------------------------------------------------------------------- (1,405,812) $(26,260,983) (11,604,774) $(201,470,391) (i) For the period from the class' inception, May 1, 2006 (Classes W), through the stated period end. (6) LINE OF CREDIT The fund and other funds managed by MFS participate in a $1 billion unsecured committed line of credit provided by a syndication of banks under a credit agreement. In addition, the fund and other funds managed by MFS have established uncommitted borrowing arrangements with certain banks. Borrowings may be made for temporary financing needs. Interest is charged to each fund, based on its borrowings, generally at a rate equal to the Federal Reserve funds rate plus 0.35%. In addition, a commitment fee, based on the average daily, unused portion of the committed line of credit, is allocated among the participating funds at the end of each calendar quarter. For the six months ended February 28, 2007, the fund's commitment fee and interest expense were $2,496 and $0, respectively, and are included in miscellaneous expense on the Statement of Operations. BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT A discussion regarding the Board's most recent review and renewal of the Fund's investment advisory agreement is available by clicking on the fund's name under "Select a fund" on the MFS Web site (mfs.com). PROXY VOTING POLICIES AND INFORMATION A general description of the MFS funds' proxy voting policies and procedures is available without charge, upon request, by calling 1-800-225-2606, by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. Information regarding how the fund voted proxies relating to portfolio securities during the most recent twelve-month period ended June 30 is available without charge by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. QUARTERLY PORTFOLIO DISCLOSURE The fund will file a complete schedule of portfolio holdings with the Securities and Exchange Commission (the Commission) for the first and third quarters of each fiscal year on Form N-Q. The fund's Form N-Q may be reviewed and copied at the: Public Reference Room Securities and Exchange Commission 100 F Street, NE, Room 1580 Washington, D.C. 20549 Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-202-551-5850. The fund's Form N-Q is available on the EDGAR database on the Commission's Internet Web site at http://www.sec.gov, and copies of this information may be obtained, upon payment of a duplicating fee, by electronic request at the following e-mail address: publicinfo@sec.gov or by writing the Public Reference Section at the above address. A shareholder can also obtain the quarterly portfolio holdings report at mfs.com. CONTACT US WEB SITE MAILING ADDRESS mfs.com MFS Service Center, Inc. P.O. Box 55824 MFS TALK Boston, MA 1-800-637-8255 02205-5824 24 hours a day OVERNIGHT MAIL ACCOUNT SERVICE AND MFS Service Center, Inc. LITERATURE 500 Boylston Street Boston, MA 02116-3741 SHAREHOLDERS 1-800-225-2606 8 a.m. to 8 p.m. ET INVESTMENT PROFESSIONALS 1-800-343-2829 8 a.m. to 8 p.m. ET RETIREMENT PLAN SERVICES 1-800-637-1255 8 a.m. to 8 p.m. ET - ------------------------------------------------------------------------------- Go paperless with eDELIVERY: Arrange to have MFS send prospectuses, reports, and proxies directly to your e-mail inbox. You'll get timely information and less clutter in your mailbox (not to mention help your fund save printing and postage costs). SIGN UP: If your account is registered with us, simply go to mfs.com, log in to your account via MFS Access, and select the eDelivery sign up options. If you own your MFS fund shares through a financial institution or a retirement plan, MFS TALK, MFS Access, and eDelivery may not be available to you. - ------------------------------------------------------------------------------- M F S(R) INVESTMENT MANAGEMENT M F S(R) INVESTMENT MANAGEMENT [graphic omitted] Semiannual report MFS(R) NEW DISCOVERY FUND LETTER FROM THE CEO 1 - ---------------------------------------------------------- PORTFOLIO COMPOSITION 2 - ---------------------------------------------------------- EXPENSE TABLE 3 - ---------------------------------------------------------- PORTFOLIO OF INVESTMENTS 5 - ---------------------------------------------------------- STATEMENT OF ASSETS AND LIABILITIES 11 - ---------------------------------------------------------- STATEMENT OF OPERATIONS 14 - ---------------------------------------------------------- STATEMENTS OF CHANGES IN NET ASSETS 16 - ---------------------------------------------------------- FINANCIAL HIGHLIGHTS 17 - ---------------------------------------------------------- NOTES TO FINANCIAL STATEMENTS 27 - ---------------------------------------------------------- BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT 38 - ---------------------------------------------------------- PROXY VOTING POLICIES AND INFORMATION 38 - ---------------------------------------------------------- QUARTERLY PORTFOLIO DISCLOSURE 38 - ---------------------------------------------------------- CONTACT INFORMATION BACK COVER - ---------------------------------------------------------- THE REPORT IS PREPARED FOR THE GENERAL INFORMATION OF SHAREHOLDERS. IT IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY WHEN PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS. - ------------------------------------------------------------------------------ NOT FDIC INSURED o MAY LOSE VALUE o NO BANK OR CREDIT UNION GUARANTEE o NOT A DEPOSIT o NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY OR NCUA/NCUSIF - ------------------------------------------------------------------------------ 2/28/07 NDF-SEM [Photo of Robert J. Manning] LETTER FROM THE CEO Dear Shareholders: The past year has been a great example of why investors should keep their eyes on the long term. In 2006 the Dow Jones Industrial Average returned 19%. In February 2007 it hit its all-time high of 12,787. Less than a week later, stocks sold off around the globe. By March 5 the Dow was off 5.8%. That is a sign of volatile markets and a reason investors should make sure they have an investment plan that can ride out the peaks and troughs. If you are focused on a long-term investment strategy, the short-term ups and downs of the markets should not necessarily dictate portfolio action on your part. Both the bond and stock markets are inherently cyclical. In our view, investors who remain committed to a long-term plan are more likely to achieve their financial goals. We believe you should not let the headlines guide you in your investment decisions and that there is no sense in reacting to short- term volatility. In any market environment, we believe individual investors are best served by following a three-pronged investment strategy of allocating their holdings across the major asset classes, diversifying within each class, and regularly rebalancing their portfolios to maintain their desired allocations. Of course, these strategies cannot guarantee a profit or protect against a loss. Investing and planning for the long term require diligence and patience, two traits that in our experience are essential to capitalizing on the many opportunities the financial markets can offer -- through both up and down economic cycles. Respectfully, /s/ Robert J. Manning Robert J. Manning Chief Executive Officer and Chief Investment Officer MFS Investment Management(R) April 16, 2007 The opinions expressed in this letter are subject to change, may not be relied upon for investment advice, and no forecasts can be guaranteed. PORTFOLIO COMPOSITION PORTFOLIO STRUCTURE Common Stocks 99.5% Cash & Other Net Assets 0.5% TOP TEN HOLDINGS NICE Systems Ltd., ADR 2.7% ------------------------------------------------ Transaction Systems Architects, Inc. 2.0% ------------------------------------------------ Advanced Medical Optics, Inc. 2.0% ------------------------------------------------ Hittite Microwave Corp. 2.0% ------------------------------------------------ Millipore Corp. 1.8% ------------------------------------------------ Red Robin Gourmet Burgers, Inc. 1.8% ------------------------------------------------ ARM Holdings PLC 1.8% ------------------------------------------------ Corporate Executive Board Co. 1.8% ------------------------------------------------ North American Energy Partners, Inc. 1.7% ------------------------------------------------ MWI Veterinary Supply, Inc. 1.7% ------------------------------------------------ EQUITY SECTORS Health Care 23.2% ------------------------------------------------ Technology 22.2% ------------------------------------------------ Specialty Products & Services 10.2% ------------------------------------------------ Leisure 8.3% ------------------------------------------------ Retailing 8.3% ------------------------------------------------ Industrial Goods & Services 6.7% ------------------------------------------------ Financial Services 6.5% ------------------------------------------------ Energy 5.8% ------------------------------------------------ Basic Materials 2.4% ------------------------------------------------ Consumer Staples 1.9% ------------------------------------------------ Transportation 1.6% ------------------------------------------------ Utilities & Communications 1.2% ------------------------------------------------ Autos & Housing 1.2% ------------------------------------------------ Percentages are based on net assets as of 2/28/07. The portfolio is actively managed and current holdings may be different. EXPENSE TABLE Fund expenses borne by the shareholders during the period, September 1, 2006 through February 28, 2007 As a shareholder of the fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on certain purchase or redemption payments and redemption fees on certain exchanges and redemptions, and (2) ongoing costs, including management fees; distribution and service (12b-1) fees; and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the period and held for the entire period September 1, 2006 through February 28, 2007. ACTUAL EXPENSES The first line for each share class in the following table provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each share class in the following table provides information about hypothetical account values and hypothetical expenses based on the fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as sales charges (loads) or redemption fees. Therefore, the second line for each share class in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. - ------------------------------------------------------------------------------- Expenses Paid During Annualized Beginning Ending Period(p) Share Expense Account Value Account Value 9/01/06- Class Ratio 9/01/06 2/28/07 2/28/07 - -------------------------------------------------------------------------------- Actual 1.47% $1,000.00 $1,199.90 $8.02 A --------------------------------------------------------------------------- Hypothetical (h) 1.47% $1,000.00 $1,017.50 $7.35 - -------------------------------------------------------------------------------- Actual 2.12% $1,000.00 $1,195.70 $11.54 B --------------------------------------------------------------------------- Hypothetical (h) 2.12% $1,000.00 $1,014.28 $10.59 - -------------------------------------------------------------------------------- Actual 2.12% $1,000.00 $1,196.10 $11.54 C --------------------------------------------------------------------------- Hypothetical (h) 2.12% $1,000.00 $1,014.28 $10.59 - -------------------------------------------------------------------------------- Actual 1.12% $1,000.00 $1,202.50 $6.12 I --------------------------------------------------------------------------- Hypothetical (h) 1.12% $1,000.00 $1,019.24 $5.61 - -------------------------------------------------------------------------------- Actual 1.62% $1,000.00 $1,199.20 $8.83 R --------------------------------------------------------------------------- Hypothetical (h) 1.62% $1,000.00 $1,016.76 $8.10 - -------------------------------------------------------------------------------- Actual 2.22% $1,000.00 $1,195.50 $12.08 R1 --------------------------------------------------------------------------- Hypothetical (h) 2.22% $1,000.00 $1,013.79 $11.08 - -------------------------------------------------------------------------------- Actual 1.87% $1,000.00 $1,197.80 $10.19 R2 --------------------------------------------------------------------------- Hypothetical (h) 1.87% $1,000.00 $1,015.52 $9.35 - -------------------------------------------------------------------------------- Actual 1.77% $1,000.00 $1,198.50 $9.65 R3 --------------------------------------------------------------------------- Hypothetical (h) 1.77% $1,000.00 $1,016.02 $8.85 - -------------------------------------------------------------------------------- Actual 1.52% $1,000.00 $1,200.10 $8.29 R4 --------------------------------------------------------------------------- Hypothetical (h) 1.52% $1,000.00 $1,017.26 $7.60 - -------------------------------------------------------------------------------- Actual 1.22% $1,000.00 $1,201.60 $6.66 R5 --------------------------------------------------------------------------- Hypothetical (h) 1.22% $1,000.00 $1,018.74 $6.11 - -------------------------------------------------------------------------------- Actual 1.72% $1,000.00 $1,198.90 $9.38 529A --------------------------------------------------------------------------- Hypothetical (h) 1.72% $1,000.00 $1,016.27 $8.60 - -------------------------------------------------------------------------------- Actual 2.37% $1,000.00 $1,195.30 $12.90 529B --------------------------------------------------------------------------- Hypothetical (h) 2.37% $1,000.00 $1,013.04 $11.83 - -------------------------------------------------------------------------------- Actual 2.37% $1,000.00 $1,195.10 $12.90 529C --------------------------------------------------------------------------- Hypothetical (h) 2.37% $1,000.00 $1,013.04 $11.83 - -------------------------------------------------------------------------------- (h) 5% class return per year before expenses. (p) Expenses paid is equal to each class' annualized expense ratio, as shown above, multiplied by the average account value over the period, multiplied by the number of days in the period, divided by the number of days in the year. Expenses paid do not include any applicable sales charges (loads) or redemption fees. If these transaction costs had been included, your costs would have been higher. PORTFOLIO OF INVESTMENTS 2/28/07 (unaudited) The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes. Common Stocks - 99.5% - ---------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - ---------------------------------------------------------------------------------------------- Airlines - 0.5% - ---------------------------------------------------------------------------------------------- Allegiant Travel Co. (a) 128,040 $ 4,373,845 - ---------------------------------------------------------------------------------------------- Alcoholic Beverages - 0.2% - ---------------------------------------------------------------------------------------------- Castle Brands, Inc. (a) 185,570 $ 1,206,205 - ---------------------------------------------------------------------------------------------- Apparel Manufacturers - 1.1% - ---------------------------------------------------------------------------------------------- Carter's, Inc. (a) 381,770 $ 9,173,934 - ---------------------------------------------------------------------------------------------- Biotechnology - 3.7% - ---------------------------------------------------------------------------------------------- 3SBio, Inc., ADR (a) 186,310 $ 2,638,150 CV Therapeutics, Inc. (a)(l) 310,000 3,958,700 Gen-Probe, Inc. (a)(l) 141,960 6,816,919 Keryx Biopharmaceuticals, Inc. (a) 136,850 1,560,090 Millipore Corp. (a) 207,010 14,805,355 ------------- $ 29,779,214 - ---------------------------------------------------------------------------------------------- Brokerage & Asset Managers - 1.7% - ---------------------------------------------------------------------------------------------- HFF, Inc., "A" (a) 289,900 $ 5,421,130 International Securities Exchange Holdings, Inc. 87,670 4,054,738 Thomas Weisel Partners Group (a)(l) 218,400 3,979,248 ------------- $ 13,455,116 - ---------------------------------------------------------------------------------------------- Business Services - 6.0% - ---------------------------------------------------------------------------------------------- Bright Horizons Family Solutions, Inc. (a) 156,123 $ 6,257,410 Corporate Executive Board Co. (l) 186,900 14,542,689 CoStar Group, Inc. (a) 197,180 9,241,827 Global Payments, Inc. (l) 290,380 11,170,919 Ultimate Software Group, Inc. (a) 259,880 6,923,203 ------------- $ 48,136,048 - ---------------------------------------------------------------------------------------------- Chemicals - 1.0% - ---------------------------------------------------------------------------------------------- Nalco Holding Co. 331,080 $ 7,912,812 - ---------------------------------------------------------------------------------------------- Computer Software - 5.7% - ---------------------------------------------------------------------------------------------- CommVault Systems, Inc. (a) 269,980 $ 4,489,767 Guidance Software, Inc. (a) 295,175 3,819,565 MSC.Software Corp. (a) 365,321 4,913,567 Opsware, Inc. (a)(l) 1,254,930 9,261,383 TIBCO Software, Inc. (a) 803,680 7,273,304 Transaction Systems Architects, Inc. (a) 454,185 16,032,731 ------------- $ 45,790,317 - ---------------------------------------------------------------------------------------------- Computer Software - Systems - 0.3% - ---------------------------------------------------------------------------------------------- Syntel, Inc. 56,950 $ 2,043,366 - ---------------------------------------------------------------------------------------------- Construction - 1.2% - ---------------------------------------------------------------------------------------------- Dayton Superior Corp. (a) 285,580 $ 3,284,170 M.D.C. Holdings, Inc. (l) 131,370 6,707,752 ------------- $ 9,991,922 - ---------------------------------------------------------------------------------------------- Consumer Goods & Services - 5.3% - ---------------------------------------------------------------------------------------------- Central Garden & Pet Co., "A" (a)(l) 652,190 $ 9,143,704 ITT Educational Services, Inc. (a) 106,960 8,554,661 Monster Worldwide, Inc. (a) 84,690 4,222,643 New Oriental Educational & Technology Group, ADR (a) 237,930 10,021,612 Strayer Education, Inc. 87,460 10,310,659 ------------- $ 42,253,279 - ---------------------------------------------------------------------------------------------- Electrical Equipment - 2.0% - ---------------------------------------------------------------------------------------------- MSC Industrial Direct Co., Inc., "A" 212,440 $ 9,164,662 WESCO International, Inc. (a) 98,310 6,560,226 ------------- $ 15,724,888 - ---------------------------------------------------------------------------------------------- Electronics - 9.8% - ---------------------------------------------------------------------------------------------- ARM Holdings PLC 5,792,360 $ 14,586,245 ATMI, Inc. (a)(l) 300,550 9,990,282 Entegris, Inc. (a)(l) 817,276 9,104,455 FormFactor, Inc. (a)(l) 251,780 10,763,595 Hittite Microwave Corp. (a)(l) 375,350 15,742,179 Intersil Corp., "A" 311,910 8,250,020 NetLogic Microsystems, Inc. (a)(l) 254,300 6,342,242 Volterra Semiconductor Corp. (a)(l) 297,960 4,195,277 ------------- $ 78,974,295 - ---------------------------------------------------------------------------------------------- Energy - Independent - 3.3% - ---------------------------------------------------------------------------------------------- EXCO Resources, Inc. (a)(l) 446,290 $ 7,774,372 Forest Oil Corp. (a)(l) 160,490 5,119,631 Goodrich Petroleum Corp. (a)(l) 168,650 5,769,517 Kodiak Oil & Gas Corp. (a) 691,290 3,802,095 Venoco, Inc. (a) 274,480 4,172,096 ------------- $ 26,637,711 - ---------------------------------------------------------------------------------------------- Engineering - Construction - 3.7% - ---------------------------------------------------------------------------------------------- InfraSource Services, Inc. (a) 310,850 $ 7,622,042 North American Energy Partners, Inc. (a) 727,440 13,915,927 Quanta Services, Inc. (a)(l) 342,220 7,936,082 ------------- $ 29,474,051 - ---------------------------------------------------------------------------------------------- Food & Beverages - 0.6% - ---------------------------------------------------------------------------------------------- Diamond Foods, Inc. (l) 301,149 $ 5,029,188 - ---------------------------------------------------------------------------------------------- Forest & Paper Products - 0.8% - ---------------------------------------------------------------------------------------------- Universal Forest Products, Inc. 120,500 $ 6,245,515 - ---------------------------------------------------------------------------------------------- Gaming & Lodging - 0.7% - ---------------------------------------------------------------------------------------------- WMS Industries, Inc. (a)(l) 159,780 $ 5,980,565 - ---------------------------------------------------------------------------------------------- General Merchandise - 1.0% - ---------------------------------------------------------------------------------------------- Stage Stores, Inc. 379,265 $ 8,317,281 - ---------------------------------------------------------------------------------------------- Internet - 1.6% - ---------------------------------------------------------------------------------------------- CNET Networks, Inc. (a)(l) 897,840 $ 7,883,035 Move, Inc. (a)(l) 717,070 4,280,908 Vocus, Inc. (a) 38,293 759,733 ------------- $ 12,923,676 - ---------------------------------------------------------------------------------------------- Leisure & Toys - 1.8% - ---------------------------------------------------------------------------------------------- Activision, Inc. (a)(l) 415,910 $ 6,954,015 THQ, Inc. (a)(l) 227,924 7,341,432 ------------- $ 14,295,447 - ---------------------------------------------------------------------------------------------- Machinery & Tools - 1.0% - ---------------------------------------------------------------------------------------------- Ritchie Bros. Auctioneers, Inc. 138,400 $ 7,945,544 - ---------------------------------------------------------------------------------------------- Medical & Health Technology & Services - 5.0% - ---------------------------------------------------------------------------------------------- Healthcare Services Group, Inc. (l) 307,560 $ 8,623,982 IDEXX Laboratories, Inc. (a) 118,025 10,171,395 MWI Veterinary Supply, Inc. (a)(l) 429,790 13,336,384 VCA Antech, Inc. (a) 116,210 4,266,069 WebMD Health Corp. (a)(l) 72,840 3,918,064 ------------- $ 40,315,894 - ---------------------------------------------------------------------------------------------- Medical Equipment - 11.7% - ---------------------------------------------------------------------------------------------- ABIOMED, Inc. (a)(l) 132,730 $ 1,855,565 Adams Respiratory Therapeutics, Inc. (a) 52,420 1,903,894 Advanced Medical Optics, Inc. (a)(l) 409,580 15,785,213 Aspect Medical Systems, Inc. (a)(l) 715,090 11,548,703 AtriCure, Inc. (a) 283,230 2,880,449 Conceptus, Inc. (a)(l) 439,810 8,259,632 Cyberonics, Inc. (a)(l) 448,320 9,181,594 Dexcom, Inc. (a)(l) 298,150 2,412,034 Haemonetics Corp. (a) 117,930 5,306,850 Mindray Medical International Ltd., ADR (a) 156,230 4,021,360 NxStage Medical, Inc. (a)(l) 195,420 2,393,895 Thoratec Corp. (a)(l) 637,820 12,533,163 Ventana Medical Systems, Inc. (a)(l) 169,190 6,809,898 Volcano Corp. (a) 459,520 8,735,475 ------------- $ 93,627,725 - ---------------------------------------------------------------------------------------------- Network & Telecom - 2.7% - ---------------------------------------------------------------------------------------------- NICE Systems Ltd., ADR (a) 624,518 $ 21,377,251 - ---------------------------------------------------------------------------------------------- Oil Services - 2.5% - ---------------------------------------------------------------------------------------------- Dresser-Rand Group, Inc. (a)(l) 421,210 $ 10,938,824 Natural Gas Services Group, Inc. (a)(l) 215,470 2,844,204 Universal Compression Holdings, Inc. (a) 95,380 6,385,691 ------------- $ 20,168,719 - ---------------------------------------------------------------------------------------------- Other Banks & Diversified Financials - 4.2% - ---------------------------------------------------------------------------------------------- Accredited Home Lenders Holding Co. (a)(l) 225,660 $ 5,072,837 Commerce Bancorp, Inc. (l) 299,000 9,992,580 Nelnet, Inc., "A" (l) 158,200 4,086,306 New York Community Bancorp, Inc. (l) 441,030 7,382,842 Signature Bank (a) 223,720 6,872,678 ------------- $ 33,407,243 - ---------------------------------------------------------------------------------------------- Personal Computers & Peripherals - 2.1% - ---------------------------------------------------------------------------------------------- Mellanox Tecnologies Ltd. (a) 202,220 $ 4,331,552 Nuance Communications, Inc. (a)(l) 897,499 12,645,761 ------------- $ 16,977,313 - ---------------------------------------------------------------------------------------------- Pharmaceuticals - 2.8% - ---------------------------------------------------------------------------------------------- Cadence Pharmaceuticals, Inc. (a)(l) 202,740 $ 2,891,072 Endo Pharmaceuticals Holdings, Inc. (a) 267,590 8,351,484 Medicis Pharmaceutical Corp., "A" (l) 274,510 9,981,184 Synta Pharmaceuticals Corp. (a) 160,070 1,365,397 ------------- $ 22,589,137 - ---------------------------------------------------------------------------------------------- Printing & Publishing - 0.5% - ---------------------------------------------------------------------------------------------- Morningstar, Inc. (a)(l) 72,876 $ 3,733,437 - ---------------------------------------------------------------------------------------------- Real Estate - 0.6% - ---------------------------------------------------------------------------------------------- Alesco Financial, Inc., REIT 425,210 $ 4,588,016 - ---------------------------------------------------------------------------------------------- Restaurants - 5.3% - ---------------------------------------------------------------------------------------------- Chipotle Mexican Grill, Inc., "A" (a)(l) 90,280 $ 5,415,897 Panera Bread Co. (a) 138,660 8,490,152 Peet's Coffee & Tea, Inc. (a)(l) 150,260 3,809,091 Red Robin Gourmet Burgers, Inc. (a)(l) 372,410 14,702,747 Texas Roadhouse, Inc., "A" (a)(l) 715,310 10,479,292 ------------- $ 42,897,179 - ---------------------------------------------------------------------------------------------- Specialty Chemicals - 0.6% - ---------------------------------------------------------------------------------------------- Innophos Holdings, Inc. 294,535 $ 4,862,773 - ---------------------------------------------------------------------------------------------- Specialty Stores - 6.2% - ---------------------------------------------------------------------------------------------- A.C. Moore Arts & Crafts, Inc. (a)(l) 345,210 $ 6,759,212 CarMax, Inc. (a)(l) 100,920 5,318,484 Citi Trends, Inc. (a)(l) 130,510 5,467,064 Dick's Sporting Goods, Inc. (a)(l) 126,860 6,639,852 Hibbett Sports, Inc. (a)(l) 210,480 6,562,766 Monro Muffler Brake, Inc. 140,680 5,116,532 Susser Holdings Corp. (a) 204,540 3,685,811 Urban Outfitters, Inc. (a)(l) 395,370 9,813,083 ------------- $ 49,362,804 - ---------------------------------------------------------------------------------------------- Telephone Services - 1.2% - ---------------------------------------------------------------------------------------------- Level 3 Communications, Inc. (a)(l) 1,524,360 $ 10,015,045 - ---------------------------------------------------------------------------------------------- Trucking - 1.1% - ---------------------------------------------------------------------------------------------- Landstar Systems, Inc. 196,340 $ 8,774,435 - ---------------------------------------------------------------------------------------------- TOTAL COMMON STOCKS (IDENTIFIED COST, $725,141,543) $ 798,361,190 - ---------------------------------------------------------------------------------------------- Short-Term Obligations - 0.3% - ---------------------------------------------------------------------------------------------- General Electric Capital Corp., 5.32%, due 3/01/07, at Amortized Cost and Value (y) $ 1,971,000 $ 1,971,000 - ---------------------------------------------------------------------------------------------- Collateral for Securities Loaned - 15.9% - ---------------------------------------------------------------------------------------------- Navigator Securities Lending Prime Portfolio, at Cost and Net Asset Value 127,861,535 $ 127,861,535 - ---------------------------------------------------------------------------------------------- TOTAL INVESTMENTS (IDENTIFIED COST, $854,974,078) $ 928,193,725 - ---------------------------------------------------------------------------------------------- Other Assets, Less Liabilities - (15.7)% (125,849,593) - ---------------------------------------------------------------------------------------------- NET ASSETS - 100.0% $ 802,344,132 - ---------------------------------------------------------------------------------------------- (a) Non-income producing security. (l) All or a portion of this security is on loan. (y) The rate shown represents an annualized yield at time of purchase. The following abbreviations are used in this report and are defined: ADR American Depository Receipt REIT Real Estate Investment Trust SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF ASSETS AND LIABILITIES At 2/28/07 (unaudited) This statement represents your fund's balance sheet, which details the assets and liabilities comprising the total value of the fund. ASSETS - ------------------------------------------------------------------------------------------------------ Investments, at value, including $124,380,392 of securities on loan (identified cost, $854,974,078) $928,193,725 Cash 626 Receivable for investments sold 5,971,980 Receivable for fund shares sold 1,050,687 Interest and dividends receivable 119,621 Other assets 14,507 - ------------------------------------------------------------------------------------------------------ Total assets $935,351,146 - ------------------------------------------------------------------------------------------------------ LIABILITIES - ------------------------------------------------------------------------------------------------------ Payable for investments purchased $835,734 Payable for fund shares reacquired 3,712,899 Collateral for securities loaned, at value 127,861,535 Payable to affiliates Management fee 35,875 Shareholder servicing costs 362,425 Distribution and service fees 18,656 Administrative services fee 831 Program manager fees 34 Retirement plan administration and services fees 517 Payable for independent trustees' compensation 12,797 Accrued expenses and other liabilities 165,711 - ------------------------------------------------------------------------------------------------------ Total liabilities $133,007,014 - ------------------------------------------------------------------------------------------------------ Net assets $802,344,132 - ------------------------------------------------------------------------------------------------------ NET ASSETS CONSIST OF - ------------------------------------------------------------------------------------------------------ Paid-in capital $821,598,064 Unrealized appreciation (depreciation) on investments and translation of assets and liabilities in foreign currencies 73,219,557 Accumulated net realized gain (loss) on investments and foreign currency transactions (87,793,435) Accumulated net investment loss (4,680,054) - ------------------------------------------------------------------------------------------------------ Net assets $802,344,132 - ------------------------------------------------------------------------------------------------------ Shares of beneficial interest outstanding 39,680,648 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class A shares - ------------------------------------------------------------------------------------------------------ Net assets $429,868,002 Shares outstanding 21,121,872 - ------------------------------------------------------------------------------------------------------ Net asset value per share $20.35 - ------------------------------------------------------------------------------------------------------ Offering price per share (100/94.25Xnet asset value per share) $21.59 - ------------------------------------------------------------------------------------------------------ Class B shares - ------------------------------------------------------------------------------------------------------ Net assets $123,067,484 Shares outstanding 6,352,041 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $19.37 - ------------------------------------------------------------------------------------------------------ Class C shares - ------------------------------------------------------------------------------------------------------ Net assets $47,424,443 Shares outstanding 2,444,486 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $19.40 - ------------------------------------------------------------------------------------------------------ Class I shares - ------------------------------------------------------------------------------------------------------ Net assets $105,464,013 Shares outstanding 5,018,435 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $21.02 - ------------------------------------------------------------------------------------------------------ Class R shares - ------------------------------------------------------------------------------------------------------ Net assets $11,794,171 Shares outstanding 582,961 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $20.23 - ------------------------------------------------------------------------------------------------------ Class R1 shares - ------------------------------------------------------------------------------------------------------ Net assets $1,825,271 Shares outstanding 94,470 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $19.32 - ------------------------------------------------------------------------------------------------------ Class R2 shares - ------------------------------------------------------------------------------------------------------ Net assets $696,788 Shares outstanding 35,843 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $19.44 - ------------------------------------------------------------------------------------------------------ Class R3 shares - ------------------------------------------------------------------------------------------------------ Net assets $6,045,892 Shares outstanding 300,592 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $20.11 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class R4 shares - ------------------------------------------------------------------------------------------------------ Net assets $3,338,000 Shares outstanding 164,227 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $20.33 - ------------------------------------------------------------------------------------------------------ Class R5 shares - ------------------------------------------------------------------------------------------------------ Net assets $70,376,149 Shares outstanding 3,442,786 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $20.44 - ------------------------------------------------------------------------------------------------------ Class 529A shares - ------------------------------------------------------------------------------------------------------ Net assets $1,835,482 Shares outstanding 91,188 - ------------------------------------------------------------------------------------------------------ Net asset value per share $20.13 - ------------------------------------------------------------------------------------------------------ Offering price per share (100/94.25Xnet asset value per share) $21.36 - ------------------------------------------------------------------------------------------------------ Class 529B shares - ------------------------------------------------------------------------------------------------------ Net assets $251,425 Shares outstanding 13,123 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $19.16 - ------------------------------------------------------------------------------------------------------ Class 529C shares - ------------------------------------------------------------------------------------------------------ Net assets $357,012 Shares outstanding 18,624 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $19.17 - ------------------------------------------------------------------------------------------------------ On sales of $50,000 or more, the offering prices of Class A and Class 529A shares are reduced. A contingent deferred sales charge may be imposed on redemptions of Class A, Class B, Class C, Class 529B, and Class 529C shares. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF OPERATIONS Six months ended 2/28/07 (unaudited) This statement describes how much your fund earned in investment income and accrued in expenses. It also describes any gains and/or losses generated by fund operations. NET INVESTMENT LOSS - ----------------------------------------------------------------------------------------------------- Income Dividends $1,069,440 Income on securities loaned 424,894 Interest 69,306 Foreign taxes withheld (9,472) - ----------------------------------------------------------------------------------------------------- Total investment income $1,554,168 - ----------------------------------------------------------------------------------------------------- Expenses Management fee $3,633,704 Distribution and service fees 1,697,789 Program manager fees 2,939 Shareholder servicing costs 861,114 Administrative services fee 74,836 Retirement plan administration and services fees 45,051 Independent trustees' compensation 10,621 Custodian fee 150,550 Shareholder communications 66,784 Auditing fees 22,457 Legal fees 12,715 Miscellaneous 90,760 - ----------------------------------------------------------------------------------------------------- Total expenses $6,669,320 - ----------------------------------------------------------------------------------------------------- Fees paid indirectly (37,290) Reduction of expenses by investment adviser (409,541) - ----------------------------------------------------------------------------------------------------- Net expenses $6,222,489 - ----------------------------------------------------------------------------------------------------- Net investment loss $(4,668,321) - ----------------------------------------------------------------------------------------------------- Statement of Operations (unaudited) - continued REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS - ----------------------------------------------------------------------------------------------------- Realized gain (loss) (identified cost basis) Investment transactions $87,302,363 Foreign currency transactions (1,986) - ----------------------------------------------------------------------------------------------------- Net realized gain (loss) on investments and foreign currency transactions $87,300,377 - ----------------------------------------------------------------------------------------------------- Change in unrealized appreciation (depreciation) Investments $65,760,336 Translation of assets and liabilities in foreign currencies (88) - ----------------------------------------------------------------------------------------------------- Net unrealized gain (loss) on investments and foreign currency translation $65,760,248 - ----------------------------------------------------------------------------------------------------- Net realized and unrealized gain (loss) on investments and foreign currency $153,060,625 - ----------------------------------------------------------------------------------------------------- Change in net assets from operations $148,392,304 - ----------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENTS OF CHANGES IN NET ASSETS These statements describe the increases and/or decreases in net assets resulting from operations, any distributions, and any shareholder transactions. SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 (UNAUDITED) CHANGE IN NET ASSETS FROM OPERATIONS - ------------------------------------------------------------------------------------------------------- Net investment loss $(4,668,321) $(11,224,998) Net realized gain (loss) on investments and foreign currency transactions 87,300,377 95,718,425 Net unrealized gain (loss) on investments and foreign currency translation 65,760,248 (76,087,256) - ------------------------------------------------------------------------------------------------------- Change in net assets from operations $148,392,304 $8,406,171 - ------------------------------------------------------------------------------------------------------- Change in net assets from fund share transactions $(136,289,511) $(212,974,517) - ------------------------------------------------------------------------------------------------------- Redemption fees $1,642 $17,161 - ------------------------------------------------------------------------------------------------------- Total change in net assets $12,104,435 $(204,551,185) - ------------------------------------------------------------------------------------------------------- NET ASSETS - ------------------------------------------------------------------------------------------------------- At beginning of period 790,239,697 994,790,882 At end of period (including accumulated net investment loss of $4,680,054 and $11,733, respectively) $802,344,132 $790,239,697 - ------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Statements FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the fund's financial performance for the semiannual period and the past 5 fiscal years (or life of a particular share class, if shorter). Certain information reflects financial results for a single fund share. The total returns in the table represent the rate by which an investor would have earned (or lost) on an investment in the fund share class (assuming reinvestment of all distributions) held for the entire period. SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------------- CLASS A 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $16.96 $16.85 $13.53 $14.57 $11.99 $16.17 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.10) $(0.20) $(0.16) $(0.18) $(0.13) $(0.18) Net realized and unrealized gain (loss) on investments and foreign currency 3.49 0.31 3.48 (0.86) 2.71 (4.00) - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.39 $0.11 $3.32 $(1.04) $2.58 $(4.18) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $-- $-- $-- $-- $-- $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) $-- $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.35 $16.96 $16.85 $13.53 $14.57 $11.99 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 19.99(n) 0.65 24.54 (7.14)(b) 21.52 (25.85) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.57(a) 1.57 1.57 1.51 1.58 1.58 Expenses after expense reductions (f) 1.47(a) 1.47 1.47 1.51 N/A N/A Net investment loss (1.07)(a) (1.12) (1.05) (1.20) (1.11) (1.21) Portfolio turnover 47 99 112 122 104 102 Net assets at end of period (000 Omitted) $429,868 $409,471 $603,396 $824,708 $1,004,473 $822,193 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------------ CLASS B 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $16.20 $16.20 $13.09 $14.19 $11.75 $15.95 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.16) $(0.30) $(0.25) $(0.27) $(0.21) $(0.28) Net realized and unrealized gain (loss) on investments and foreign currency 3.33 0.30 3.36 (0.83) 2.65 (3.92) - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.17 $0.00 $3.11 $(1.10) $2.44 $(4.20) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $-- $-- $-- $-- $-- $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) $-- $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.37 $16.20 $16.20 $13.09 $14.19 $11.75 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 19.57(n) 0.00 23.76 (7.75)(b) 20.77 (26.33) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.22(a) 2.22 2.22 2.15 2.23 2.23 Expenses after expense reductions (f) 2.12(a) 2.12 2.12 2.15 N/A N/A Net investment loss (1.72)(a) (1.77) (1.70) (1.84) (1.76) (1.86) Portfolio turnover 47 99 112 122 104 102 Net assets at end of period (000 Omitted) $123,067 $132,519 $203,722 $231,653 $271,580 $232,792 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------- CLASS C 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $16.22 $16.22 $13.10 $14.21 $11.77 $15.97 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.16) $(0.30) $(0.25) $(0.27) $(0.21) $(0.28) Net realized and unrealized gain (loss) on investments and foreign currency 3.34 0.30 3.37 (0.84) 2.65 (3.92) - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.18 $0.00 $3.12 $(1.11) $2.44 $(4.20) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $-- $-- $-- $-- $-- $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) $-- $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.40 $16.22 $16.22 $13.10 $14.21 $11.77 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 19.61(n) 0.00 23.82 (7.81)(b) 20.73 (26.34) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.22(a) 2.22 2.22 2.15 2.23 2.23 Expenses after expense reductions (f) 2.12(a) 2.12 2.12 2.15 N/A N/A Net investment loss (1.72)(a) (1.77) (1.70) (1.84) (1.76) (1.86) Portfolio turnover 47 99 112 122 104 102 Net assets at end of period (000 Omitted) $47,424 $47,293 $58,454 $67,102 $84,391 $87,271 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------------------------- CLASS I 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $17.48 $17.31 $13.85 $14.86 $12.19 $16.37 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.07) $(0.14) $(0.11) $(0.13) $(0.09) $(0.13) Net realized and unrealized gain (loss) on investments and foreign currency 3.61 0.31 3.57 (0.88) 2.76 (4.05) - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.54 $0.17 $3.46 $(1.01) $2.67 $(4.18) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net realized gain on investments and foreign currency transactions $-- $-- $-- $-- $-- $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid- in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) $-- $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $21.02 $17.48 $17.31 $13.85 $14.86 $12.19 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 20.25(n) 0.98 24.98 (6.80)(b) 21.90 (25.58) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.22(a) 1.22 1.23 1.16 1.23 1.23 Expenses after expense reductions (f) 1.12(a) 1.12 1.13 1.16 N/A N/A Net investment loss (0.72)(a) (0.77) (0.70) (0.84) (0.75) (0.86) Portfolio turnover 47 99 112 122 104 102 Net assets at end of period (000 Omitted) $105,464 $119,053 $107,842 $103,031 $90,872 $47,641 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------- CLASS R 2/28/07 2006 2005 2004 2003(i) (UNAUDITED) Net asset value, beginning of period $16.87 $16.79 $13.50 $14.57 $11.38 - ---------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.12) $(0.22) $(0.18) $(0.20) $(0.11) Net realized and unrealized gain (loss) on investments and foreign currency 3.48 0.30 3.47 (0.87) 3.30 - ---------------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.36 $0.08 $3.29 $(1.07) $3.19 - ---------------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) $-- - ---------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.23 $16.87 $16.79 $13.50 $14.57 - ---------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 19.92(n) 0.48 24.37 (7.34)(b) 28.03(n) - ---------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ---------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.72(a) 1.72 1.73 1.66 1.78(a) Expenses after expense reductions (f) 1.62(a) 1.62 1.63 1.66 N/A Net investment loss (1.22)(a) (1.27) (1.17) (1.32) (1.26)(a) Portfolio turnover 47 99 112 122 104 Net assets at end of period (000 Omitted) $11,794 $11,691 $16,926 $7,262 $1,824 - ---------------------------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------- CLASS R1 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $16.16 $16.18 $14.50 - -------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.17) $(0.31) $(0.10) Net realized and unrealized gain (loss) on investments and foreign currency 3.33 0.29 1.78 - -------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.16 $(0.02) $1.68 - -------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) - -------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.32 $16.16 $16.18 - -------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 19.55(n) (0.12) 11.59(n) - -------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.42(a) 2.43 2.43(a) Expenses after expense reductions (f) 2.22(a) 2.22 2.33(a) Net investment loss (1.82)(a) (1.86) (1.69)(a) Portfolio turnover 47 99 112 Net assets at end of period (000 Omitted) $1,825 $857 $206 - -------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------- CLASS R2 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $16.23 $16.19 $14.50 - -------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.13) $(0.25) $(0.08) Net realized and unrealized gain (loss) on investments and foreign currency 3.34 0.29 1.77 - -------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.21 $0.04 $1.69 - -------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) - -------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.44 $16.23 $16.19 - -------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 19.78(n) 0.25 11.66(n) - -------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.12(a) 2.12 2.12(a) Expenses after expense reductions (f) 1.87(a) 1.88 2.02(a) Net investment loss (1.48)(a) (1.52) (1.02)(a) Portfolio turnover 47 99 112 Net assets at end of period (000 Omitted) $697 $362 $135 - -------------------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------- CLASS R3 2/28/07 2006 2005 2004(i) (UNAUDITED) Net asset value, beginning of period $16.78 $16.72 $13.47 $15.35 - ------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.13) $(0.24) $(0.22) $(0.11) Net realized and unrealized gain (loss) on investments and foreign currency 3.46 0.30 3.47 (1.77) - ------------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.33 $0.06 $3.25 $(1.88) - ------------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) - ------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.11 $16.78 $16.72 $13.47 - ------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 19.85(n) 0.36 24.13 (12.25)(b)(n) - ------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.97(a) 1.96 1.98 1.73(a) Expenses after expense reductions (f) 1.77(a) 1.77 1.88 1.73(a) Net investment loss (1.37)(a) (1.41) (1.42) (1.23)(a) Portfolio turnover 47 99 112 122 Net assets at end of period (000 Omitted) $6,046 $4,417 $1,573 $454 - ------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------- CLASS R4 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $16.94 $16.84 $15.04 - -------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.10) $(0.21) $(0.04) Net realized and unrealized gain (loss) on investments and foreign currency 3.49 0.31 1.84 - -------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.39 $0.10 $1.80 - -------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) - -------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.33 $16.94 $16.84 - -------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 20.01(n) 0.59 11.97(n) - -------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.62(a) 1.62 1.63(a) Expenses after expense reductions (f) 1.52(a) 1.52 1.53(a) Net investment loss (1.12)(a) (1.15) (0.66)(a) Portfolio turnover 47 99 112 Net assets at end of period (000 Omitted) $3,338 $2,404 $334 - -------------------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------- CLASS R5 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $17.01 $16.86 $15.04 - -------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.08) $(0.15) $(0.04) Net realized and unrealized gain (loss) on investments and foreign currency 3.51 0.30 1.86 - -------------------------------------------------------------------------------------------------------------------- Total from investment operations $3.43 $0.15 $1.82 - -------------------------------------------------------------------------------------------------------------------- Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) - -------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $20.44 $17.01 $16.86 - -------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 20.16(n) 0.89 12.10(n) - -------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.32(a) 1.32 1.32(a) Expenses after expense reductions (f) 1.22(a) 1.22 1.22(a) Net investment loss (0.82)(a) (0.84) (0.67)(a) Portfolio turnover 47 99 112 Net assets at end of period (000 Omitted) $70,376 $59,999 $56 - -------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------- CLASS 529A 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $16.79 $16.73 $13.47 $14.53 $11.99 $11.95 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.14) $(0.24) $(0.20) $(0.21) $(0.16) $(0.01) Net realized and unrealized gain (loss) on investments and foreign currency 3.48 0.30 3.46 (0.85) 2.70 0.05 - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $3.34 $0.06 $3.26 $(1.06) $2.54 $0.04 - ------------------------------------------------------------------------------------------------------------------------------ Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) $-- $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $20.13 $16.79 $16.73 $13.47 $14.53 $11.99 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 19.89(n) 0.36 24.20 (7.30)(b) 21.18 0.33(n) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions(f) 1.82(a) 1.83 1.83 1.75 1.84 1.83(a) Expenses after expense reductions (f) 1.72(a) 1.72 1.73 1.75 N/A N/A Net investment loss (1.32)(a) (1.37) (1.27) (1.43) (1.35) (1.20)(a) Portfolio turnover 47 99 112 122 104 102 Net assets at end of period (000 Omitted) $1,835 $1,630 $1,637 $390 $180 $10 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------- CLASS 529B 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $16.03 $16.07 $13.02 $14.15 $11.75 $11.71 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.18) $(0.33) $(0.28) $(0.30) $(0.24) $(0.02) Net realized and unrealized gain (loss) on investments and foreign currency 3.31 0.29 3.33 (0.83) 2.64 0.06 - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $3.13 $(0.04) $3.05 $(1.13) $2.40 $0.04 - ------------------------------------------------------------------------------------------------------------------------------ Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) $-- $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $19.16 $16.03 $16.07 $13.02 $14.15 $11.75 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 19.53(n) (0.25) 23.43 (7.99)(b) 20.43 0.34(n) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions(f) 2.47(a) 2.47 2.47 2.40 2.49 2.48(a) Expenses after expense reductions (f) 2.37(a) 2.37 2.37 2.40 N/A N/A Net investment loss (1.97)(a) (2.02) (1.93) (2.07) (1.99) (1.87)(a) Portfolio turnover 47 99 112 122 104 102 Net assets at end of period (000 Omitted) $251 $211 $177 $135 $84 $6 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------- CLASS 529C 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $16.04 $16.08 $13.03 $14.16 $11.77 $11.73 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.18) $(0.34) $(0.28) $(0.31) $(0.24) $(0.02) Net realized and unrealized gain (loss) on investments and foreign currency 3.31 0.30 3.33 (0.82) 2.63 0.06 - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $3.13 $(0.04) $3.05 $(1.13) $2.39 $0.04 - ------------------------------------------------------------------------------------------------------------------------------ Redemption fees added to paid-in capital (d) $0.00(w) $0.00(w) $0.00(w) $0.00(w) $-- $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $19.17 $16.04 $16.08 $13.03 $14.16 $11.77 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 19.51(n) (0.25) 23.41 (7.98)(b) 20.31 0.34(n) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions(f) 2.47(a) 2.48 2.47 2.40 2.50 2.48(a) Expenses after expense reductions (f) 2.37(a) 2.37 2.37 2.40 N/A N/A Net investment loss (1.98)(a) (2.02) (1.93) (2.08) (1.99) (1.88)(a) Portfolio turnover 47 99 112 122 104 102 Net assets at end of period (000 Omitted) $357 $332 $333 $240 $147 $5 - ------------------------------------------------------------------------------------------------------------------------------ (a) Annualized. (b) The fund's net asset value and total return calculation include a non-recurring accrual recorded as a result of an administrative proceeding regarding disclosure of brokerage allocation practices in connection with fund sales. The non-recurring accrual did not have a material impact on the net asset value per share based on the shares outstanding on the day the proceeds were recorded. (d) Per share data are based on average shares outstanding. (f) Ratios do not reflect reductions from fees paid indirectly. (i) For the period from the class' inception, July 31, 2002 (Classes 529A, 529B, and 529C), December 31, 2002 (Class R), October 31, 2003 (Class R3), and April 1, 2005 (Classes R1, R2, R4, and R5) through the stated period end. (n) Not annualized. (r) Certain expenses have been reduced without which performance would have been lower. (s) From time to time the fund may receive proceeds from litigation settlements, without which performance would be lower. (t) Total returns do not include any applicable sales charges. (w) Per share amount was less than $0.01. SEE NOTES TO FINANCIAL STATEMENTS NOTES TO FINANCIAL STATEMENTS (unaudited) (1) BUSINESS AND ORGANIZATION MFS New Discovery Fund (the fund) is a series of MFS Series Trust I (the trust). The trust is organized as a Massachusetts business trust and is registered under the Investment Company Act of 1940, as amended, as an open- end management investment company. (2) SIGNIFICANT ACCOUNTING POLICIES GENERAL - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The fund will generally focus on securities of small size companies which may be more volatile than those of larger companies. The fund can invest in foreign securities, including securities of emerging market issuers. Investments in foreign securities are vulnerable to the effects of changes in the relative values of the local currency and the U.S. dollar and to the effects of changes in each country's legal, political, and economic environment. The markets of emerging markets countries are generally more volatile than the markets of developed countries with more mature economies. All of the risks of investing in foreign securities previously described are heightened when investing in emerging markets countries. INVESTMENT VALUATIONS - Equity securities, including restricted equity securities, are generally valued at the last sale or official closing price as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities for which there were no sales reported that day, equity securities are generally valued at the last quoted daily bid quotation as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities held short for which there were no sales reported for the day, the position is generally valued at the last quoted daily ask quotation as reported by an independent pricing service on the market or exchange on which such securities are primarily traded. Short-term instruments with a maturity at issuance of 60 days or less may be valued at amortized cost, which approximates market value. Open-end investment companies are generally valued at their net asset value per share. Securities and other assets generally valued on the basis of information from an independent pricing service may also be valued at a broker-dealer bid quotation. The values of foreign securities and other assets and liabilities expressed in foreign currencies are converted to U.S. dollars using the mean of bid and asked prices for rates reported by an independent pricing service. The Board of Trustees has delegated primary responsibility for determining or causing to be determined the value of the fund's investments (including any fair valuation) to the adviser pursuant to valuation policies and procedures approved by the Board. If the adviser determines that reliable market quotations are not readily available, investments are valued at fair value as determined in good faith by the adviser in accordance with such procedures under the oversight of the Board of Trustees. Under the fund's valuation policies and procedures, market quotations are not considered to be readily available for many types of debt instruments and certain types of derivatives. These investments are generally valued at fair value based on information from independent pricing services. In addition, investments may be valued at fair value if the adviser determines that an investment's value has been materially affected by events occurring after the close of the exchange or market on which the investment is principally traded (such as foreign exchange or market) and prior to the determination of the fund's net asset value, or after the halting of trading of a specific security where trading does not resume prior to the close of the exchange or market on which the security is principally traded. Events that occur on a frequent basis after foreign markets close (such as developments in foreign markets and significant movements in the U.S. markets) and prior to the determination of the fund's net asset value may be deemed to have a material affect on the value of securities traded in foreign markets. Accordingly, the fund's foreign equity securities may often be valued at fair value. The adviser may rely on independent pricing services or other information (such as the correlation with price movements of similar securities in the same or other markets; the type, cost and investment characteristics of the security; the business and financial condition of the issuer; and trading and other market data) to assist in determining whether to fair value and at what value to fair value an investment. The value of an investment for purposes of calculating the fund's net asset value can differ depending on the source and method used to determine value. When fair valuation is used, the value of investments used to determine the fund's net asset value may differ from quoted or published prices for the same investments. In September 2006, FASB Statement No. 157, Fair Value Measurements (the "Statement") was issued, and is effective for fiscal years beginning after November 15, 2007 and for all interim periods within those fiscal years. This Statement provides a single definition of fair value, a hierarchy for measuring fair value and expanded disclosures about fair value measurements. Management is evaluating the application of the Statement to the fund, and believes the impact will be limited to expanded disclosures resulting from the adoption of this Statement in the fund's financial statements. REPURCHASE AGREEMENTS - The fund may enter into repurchase agreements with institutions that the fund's investment adviser has determined are creditworthy. Each repurchase agreement is recorded at cost. The fund requires that the securities collateral in a repurchase transaction be transferred to the custodian in a manner sufficient to enable the fund to obtain those securities in the event of a default under the repurchase agreement. The fund monitors, on a daily basis, the value of the collateral to ensure that its value, including accrued interest, is greater than amounts owed to the fund under each such repurchase agreement. The fund and other funds managed by Massachusetts Financial Services Company (MFS), may utilize a joint trading account for the purpose of entering into one or more repurchase agreements. FOREIGN CURRENCY TRANSLATION - Purchases and sales of foreign investments, income, and expenses are converted into U.S. dollars based upon currency exchange rates prevailing on the respective dates of such transactions. Gains and losses attributable to foreign currency exchange rates on sales of securities are recorded for financial statement purposes as net realized gains and losses on investments. Gains and losses attributable to foreign exchange rate movements on income and expenses are recorded for financial statement purposes as foreign currency transaction gains and losses. That portion of both realized and unrealized gains and losses on investments that results from fluctuations in foreign currency exchange rates is not separately disclosed. SECURITY LOANS - State Street Bank and Trust Company ("State Street"), as lending agent, may loan the securities of the fund to certain qualified institutions (the "Borrowers") approved by the fund. The loans are collateralized at all times by cash and/or U.S. Treasury securities in an amount at least equal to the market value of the securities loaned. State Street provides the fund with indemnification against Borrower default. The fund bears the risk of loss with respect to the investment of cash collateral. On loans collateralized by cash, the cash collateral is invested in a money market fund or short-term securities. A portion of the income generated upon investment of the collateral is remitted to the Borrowers, and the remainder is allocated between the fund and the lending agent. On loans collateralized by U.S. Treasury securities, a fee is received from the Borrower, and is allocated between the fund and the lending agent. The dividend and interest income earned on the securities loaned is accounted for in the same manner as other dividend and interest income. INDEMNIFICATIONS - Under the fund's organizational documents, its officers and trustees may be indemnified against certain liabilities and expenses arising out of the performance of their duties to the fund. Additionally, in the normal course of business, the fund enters into agreements with service providers that may contain indemnification clauses. The fund's maximum exposure under these agreements is unknown as this would involve future claims that may be made against the fund that have not yet occurred. SHORT TERM FEES - For purchases made on or after April 1, 2005 and before December 1, 2006, the fund charged a 1% redemption fee on proceeds from Class A, Class B, Class C, and Class I shares redeemed or exchanged within 30 calendar days following their acquisition. Due to systems limitations associated with the transition from applying a 5 business day redemption fee to a 30 calendar day redemption fee, the fund did not impose redemption fees with respect to purchases made in March 2005 followed by redemptions made in April 2005. The fund may change the redemption fee period in the future, including in connection with Securities and Exchange Commission rule developments. Effective December 1, 2006, the fund no longer charges a redemption fee. See the fund's prospectus for details. Any redemption fees charged are accounted for as an addition to paid-in-capital. INVESTMENT TRANSACTIONS AND INCOME - Investment transactions are recorded on the trade date. Interest income is recorded on the accrual basis. All premium and discount is amortized or accreted for financial statement purposes in accordance with U.S. generally accepted accounting principles. All discount is accreted for tax reporting purposes as required by federal income tax regulations. Dividends received in cash are recorded on the ex-dividend date. Certain dividends from foreign securities will be recorded when the fund is informed of the dividend if such information is obtained subsequent to the ex- dividend date. Dividend and interest payments received in additional securities are recorded on the ex-dividend or ex-interest date in an amount equal to the value of the security on such date. The fund may receive proceeds from litigation settlements. Any proceeds received from litigation involving its portfolio holdings are reflected in realized gain/loss in the Statement of Operations, or in unrealized gain/loss if the security is still held by the fund. Any other proceeds from litigation not related to portfolio holdings are reflected as other income in the Statement of Operations. FEES PAID INDIRECTLY - The fund's custody fee is reduced according to an arrangement that measures the value of cash deposited with the custodian by the fund. This amount, for the six months ended February 28, 2007, is shown as a reduction of total expenses on the Statement of Operations. TAX MATTERS AND DISTRIBUTIONS - The fund intends to qualify as a regulated investment company, as defined under Subchapter M of the Internal Revenue Code, and to distribute all of its taxable income, including realized capital gains. Accordingly, no provision for federal income tax is required in the financial statements. Foreign taxes, if any, have been accrued by the fund in the accompanying financial statements. Distributions to shareholders are recorded on the ex-dividend date. Income and capital gain distributions are determined in accordance with income tax regulations, which may differ from U.S. generally accepted accounting principles. Certain capital accounts in the financial statements are periodically adjusted for permanent differences in order to reflect their tax character. These adjustments have no impact on net assets or net asset value per share. Temporary differences which arise from recognizing certain items of income, expense, gain or loss in different periods for financial statement and tax purposes will reverse at some time in the future. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. Book/tax differences primarily relate to net operating losses and wash sale loss deferrals. The fund declared no distributions for the year ended August 31, 2006. The federal tax cost and the tax basis components of distributable earnings were as follows: AS OF 2/28/07 Cost of investments $856,273,895 ------------------------------------------------------------ Gross appreciation $101,285,505 Gross depreciation (29,365,675) ------------------------------------------------------------ Net unrealized appreciation (depreciation) $71,919,830 AS OF 8/31/06 Capital loss carryforwards $(173,770,410) Other temporary differences (35,320) Net unrealized appreciation (depreciation) 6,159,494 The aggregate cost above includes prior fiscal year end tax adjustments. As of August 31, 2006, the fund had capital loss carryforwards available to offset future realized gains. Such losses expire as follows: 8/31/11 $(173,770,410) In June 2006, FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes (the "Interpretation") was issued, and is effective for fiscal years beginning after December 15, 2006 and is to be applied to all open tax years as of the effective date. On December 22, 2006, the SEC delayed the implementation of the Interpretation for regulated investment companies for an additional six months. This Interpretation prescribes a minimum threshold for financial statement recognition of the benefit of a tax position taken or expected to be taken in a tax return, and requires certain expanded disclosures. Management is evaluating the application of the Interpretation to the fund, and has not at this time determined the impact, if any, resulting from the adoption of this Interpretation on the fund's financial statements. MULTIPLE CLASSES OF SHARES OF BENEFICIAL INTEREST - The fund offers multiple classes of shares, which differ in their respective distribution and service fees. All shareholders bear the common expenses of the fund based on daily net assets of each class, without distinction between share classes. Dividends are declared separately for each class. Differences in per share dividend rates are generally due to differences in separate class expenses. Class B and Class 529B shares will convert to Class A and Class 529A shares, respectively, approximately eight years after purchase. (3) TRANSACTIONS WITH AFFILIATES INVESTMENT ADVISER - The fund has an investment advisory agreement with MFS to provide overall investment management and related administrative services and facilities to the fund. The management fee is computed daily and paid monthly at an annual rate of 0.90% of the fund's average daily net assets. The investment adviser has agreed in writing to reduce its management fee to 0.80% for the first $1.5 billion of average daily net assets and 0.75% of average daily net assets in excess of $1.5 billion. This written agreement may be rescinded only upon consent of the fund's Board of Trustees. This management fee reduction amounted to $403,745, which is shown as a reduction of total expenses in the Statement of Operations. The management fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.80% of the fund's average daily net assets. DISTRIBUTOR - MFS Fund Distributors, Inc. (MFD), a wholly-owned subsidiary of MFS, as distributor, received $15,895 and $241 for the six months ended February 28, 2007, as its portion of the initial sales charge on sales of Class A and Class 529A shares of the fund, respectively. The Board of Trustees has adopted a distribution plan for certain class shares pursuant to Rule 12b-1 of the Investment Company Act of 1940. The fund's distribution plan provides that the fund will pay MFD for services provided by MFD and financial intermediaries in connection with the distribution and servicing of certain share classes. One component of the plan is a distribution fee paid to MFD and another component of the plan is a service fee paid to MFD. MFD may subsequently pay all, or a portion, of the distribution and/or service fees to financial intermediaries. Distribution Fee Plan Table: TOTAL ANNUAL DISTRIBUTION DISTRIBUTION SERVICE DISTRIBUTION EFFECTIVE AND SERVICE FEE RATE FEE RATE PLAN(d) RATE(e) FEE Class A 0.10% 0.25% 0.35% 0.35% $744,466 Class B 0.75% 0.25% 1.00% 1.00% 651,377 Class C 0.75% 0.25% 1.00% 1.00% 242,445 Class R 0.25% 0.25% 0.50% 0.50% 30,762 Class R1 0.50% 0.25% 0.75% 0.75% 5,256 Class R2 0.25% 0.25% 0.50% 0.50% 1,186 Class R3 0.25% 0.25% 0.50% 0.50% 13,010 Class R4 -- 0.25% 0.25% 0.25% 3,295 Class 529A 0.25% 0.25% 0.50% 0.35% 3,102 Class 529B 0.75% 0.25% 1.00% 1.00% 1,180 Class 529C 0.75% 0.25% 1.00% 1.00% 1,710 - --------------------------------------------------------------------------------------------------------------------- Total Distribution and Service Fees $1,697,789 (d) In accordance with the distribution plan for certain classes, the fund pays distribution and/or service fees up to these annual percentage rates of each class' average daily net assets. (e) The annual effective rates represent actual fees incurred under the distribution plan for the six months ended February 28, 2007 based on each class' average daily net assets. 0.10% of the Class 529A distribution fee is currently being paid by the fund. Payment of the remaining 0.15% of the Class 529A distribution fee is not yet in effect and will be implemented on such date as the fund's Board of Trustees may determine. Certain Class A, Class C and Class 529C shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within 12 months of purchase. Class B and Class 529B shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within six years of purchase. All contingent deferred sales charges are paid to MFD and during the six months ended February 28, 2007, were as follows: AMOUNT Class A $10,213 Class B 73,853 Class C 1,317 Class 529B 126 Class 529C 8 The fund has entered into and may from time to time enter into contracts with program managers and other parties which administer the tuition programs through which an investment in the fund's 529 share classes is made. The fund has entered into an agreement with MFD pursuant to which MFD receives an annual fee of up to 0.35% of the average daily net assets attributable to each 529 share class. The fee is based on average daily net assets and is currently established at 0.25% annually of average daily net assets of the fund's 529 share classes. The fee may only be increased with the approval of the Board of Trustees who oversees the fund. The services provided by MFD, or a third party with which MFD contracts, include recordkeeping and tax reporting and account services, as well as services designed to maintain the program's compliance with the Internal Revenue Code and other regulatory requirements. Program manager fees for the six months ended February 28, 2007, were as follows: AMOUNT Class 529A $2,217 Class 529B 295 Class 529C 427 -------------------------------------------------- Total Program Manager Fees $2,939 SHAREHOLDER SERVICING AGENT - MFS Service Center, Inc. (MFSC), a wholly-owned subsidiary of MFS, receives a fee from the fund for its services as shareholder servicing agent calculated as a percentage of the average daily net assets of the fund as determined periodically under the supervision of the fund's Board of Trustees. For the six months ended February 28, 2007, the fee was $308,665, which equated to 0.0764% annually of the fund's average daily net assets. Effective January 1, 2007, MFSC has entered into a sub-accounting agreement with SunLife Retirement Services (U.S.), Inc. (SRS), an affiliate of MFSC, on behalf of the fund to provide omnibus account services to the fund. MFSC pays SRS both an asset based fee and a per account charge of the assets held in the omnibus account. The fund then reimburses MFSC for the sub- accounting fees paid to SRS. For the six months ended February 28, 2007, the sub-accounting fee for SRS was $99,061, which equated to 0.0245% annually of the fund's average daily net assets. MFSC also receives payment from the fund for out-of-pocket and sub-accounting expenses. For the six months ended February 28, 2007, these out-of-pocket and sub-accounting costs amounted to $343,205. The fund may also pay shareholder servicing related costs directly to non-related parties. ADMINISTRATOR - MFS provides certain financial, legal, shareholder communications, compliance, and other administrative services to the fund. Under an administrative services agreement, the fund partially reimburses MFS the costs incurred to provide these services. The fund is charged a fixed amount plus a fee based on calendar year average net assets. The fund's annual fixed amount is $17,500. The administrative services fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.0185% of the fund's average daily net assets. In addition to the administrative services provided by MFS to the fund as described above, MFS is responsible for providing certain retirement plan administration and services with respect to certain shares. These services include various administrative, recordkeeping, and communication/educational services with respect to the retirement plans which invest in these shares, and may be provided directly by MFS or by a third party. MFS may subsequently pay all, or a portion, of the retirement plan administration and services fee to affiliated or unaffiliated third parties. For the six months ended February 28, 2007, the fund paid MFS an annual retirement plan administration and services fee up to the following annual percentage rates of each class' average daily net assets: ANNUAL EFFECTIVE TOTAL FEE RATE RATE(g) AMOUNT Class R1 0.45% 0.35% $3,156 Class R2 0.40% 0.25% 949 Class R3 0.25% 0.15% 6,505 Class R4 0.15% 0.15% 1,977 Class R5 0.10% 0.10% 32,464 - ------------------------------------------------------------------------------- Total Retirement Plan Administration and Services Fees $45,051 (g) MFS has agreed in writing to waive a portion of the retirement plan administration and services fee equal to 0.10% for Class R1 shares, 0.15% for Class R2 shares, and 0.10% for Class R3 shares. This agreement will continue until at least September 30, 2008. For the six months ended February 28, 2007, this waiver amounted to $3,658 and is reflected as a reduction of total expenses in the Statement of Operations. TRUSTEES' AND OFFICERS' COMPENSATION - The fund pays compensation to independent trustees in the form of a retainer, attendance fees, and additional compensation to Board and Committee chairpersons. The fund does not pay compensation directly to trustees or officers of the fund who are also officers of the investment adviser, all of whom receive remuneration for their services to the fund from MFS. Certain officers and trustees of the fund are officers or directors of MFS, MFD, and MFSC. The fund has an unfunded, defined benefit plan for certain retired independent trustees which resulted in a pension expense of $560. This amount is included in independent trustees' compensation for the six months ended February 28, 2007. The liability for deferred retirement benefits payable to certain retired independent trustees amounted to $11,217 at February 28, 2007, and is included in payable for independent trustees' compensation. OTHER - This fund and certain other MFS funds (the funds) have entered into a services agreement (the Agreement) which provides for payment of fees by the funds to Tarantino LLC in return for the provision of services of an Independent Chief Compliance Officer (ICCO) for the funds. The ICCO is an officer of the funds and the sole member of Tarantino LLC. The funds can terminate the Agreement with Tarantino LLC at any time under the terms of the Agreement. For the six months ended February 28, 2007, the fee paid to Tarantino LLC was $3,225. MFS has agreed to reimburse the fund for a portion of the payments made by the funds to Tarantino LLC in the amount of $2,138, which is shown as a reduction of total expenses in the Statement of Operations. Additionally, MFS has agreed to bear all expenses associated with office space, other administrative support, and supplies provided to the ICCO. (4) PORTFOLIO SECURITIES Purchases and sales of investments, other than U.S. government securities, purchased option transactions, and short-term obligations, aggregated $381,861,801 and $522,830,368, respectively. (5) SHARES OF BENEFICIAL INTEREST The fund's Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional shares of beneficial interest. Transactions in fund shares were as follows: SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 SHARES AMOUNT SHARES AMOUNT Shares sold Class A 2,371,574 $45,628,418 7,953,074 $139,051,896 Class B 362,954 6,609,887 1,176,971 19,953,581 Class C 116,638 2,121,434 418,367 7,100,792 Class I 377,581 7,497,673 1,827,818 33,352,164 Class R 93,314 1,758,983 236,757 4,181,606 Class R1 105,964 1,968,913 61,944 999,073 Class R2 31,333 598,994 20,328 341,919 Class R3 321,623 6,389,511 243,261 4,169,079 Class R4 127,767 2,584,000 171,176 3,009,174 Class R5 510,471 9,877,025 4,426,023 77,317,122 Class 529A 3,300 62,494 11,358 199,860 Class 529B 645 11,618 2,886 46,842 Class 529C 2,081 37,412 3,525 58,773 - ---------------------------------------------------------------------------------------------------------- 4,425,245 $85,146,362 16,553,488 $289,781,881 Shares reacquired Class A (5,396,780) $(102,930,483) (19,617,262) $(340,453,738) Class B (2,193,621) (39,862,911) (5,571,782) (93,109,606) Class C (588,401) (10,776,360) (1,106,411) (18,501,073) Class I (2,170,259) (43,105,706) (1,248,388) (22,194,362) Class R (203,392) (3,896,986) (551,980) (9,634,623) Class R1 (64,527) (1,224,481) (21,640) (361,890) Class R2 (17,785) (340,715) (6,398) (104,910) Class R3 (284,269) (5,667,990) (74,071) (1,264,874) Class R4 (105,469) (2,110,228) (49,063) (884,331) Class R5 (594,710) (11,256,371) (902,323) (15,966,127) Class 529A (9,182) (176,549) (12,151) (209,557) Class 529B (705) (13,027) (747) (12,139) Class 529C (4,178) (74,066) (3,536) (59,168) - ---------------------------------------------------------------------------------------------------------- (11,633,278) $(221,435,873) (29,165,752) $(502,756,398) Net change Class A (3,025,206) $(57,302,065) (11,664,188) $(201,401,842) Class B (1,830,667) (33,253,024) (4,394,811) (73,156,025) Class C (471,763) (8,654,926) (688,044) (11,400,281) Class I (1,792,678) (35,608,033) 579,430 11,157,802 Class R (110,078) (2,138,003) (315,223) (5,453,017) Class R1 41,437 744,432 40,304 637,183 Class R2 13,548 258,279 13,930 237,009 Class R3 37,354 721,521 169,190 2,904,205 Class R4 22,298 473,772 122,113 2,124,843 Class R5 (84,239) (1,379,346) 3,523,700 61,350,995 Class 529A (5,882) (114,055) (793) (9,697) Class 529B (60) (1,409) 2,139 34,703 Class 529C (2,097) (36,654) (11) (395) - ---------------------------------------------------------------------------------------------------------- (7,208,033) $(136,289,511) (12,612,264) $(212,974,517) The fund is one of several mutual funds in which the MFS funds-of-funds may invest. The MFS funds-of-funds do not invest in the underlying MFS funds for the purpose of exercising management or control. At the end of the period, the MFS Aggressive Growth Allocation Fund was the owner of record of approximately 8% of the value of outstanding voting shares. In addition, the MFS Lifetime 2030 Fund and the MFS Lifetime 2040 Fund were each the owners of record of less than 1% of the value of outstanding voting shares. (6) LINE OF CREDIT The fund and other funds managed by MFS participate in a $1 billion unsecured committed line of credit provided by a syndication of banks under a credit agreement. In addition, the fund and other funds managed by MFS have established uncommitted borrowing arrangements with certain banks. Borrowings may be made for temporary financing needs. Interest is charged to each fund, based on its borrowings, generally at a rate equal to the Federal Reserve funds rate plus 0.35%. In addition, a commitment fee, based on the average daily, unused portion of the committed line of credit, is allocated among the participating funds at the end of each calendar quarter. For the six months ended February 28, 2007, the fund's commitment fee and interest expense were $2,969 and $13,604, respectively, and are included in miscellaneous expense on the Statement of Operations. BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT A discussion regarding the Board's most recent review and renewal of the Fund's investment advisory agreement is available by clicking on the fund's name under "Select a fund" on the MFS Web site (mfs.com). PROXY VOTING POLICIES AND INFORMATION A general description of the MFS funds' proxy voting policies and procedures is available without charge, upon request, by calling 1-800-225-2606, by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. Information regarding how the fund voted proxies relating to portfolio securities during the most recent twelve-month period ended June 30 is available without charge by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. QUARTERLY PORTFOLIO DISCLOSURE The fund will file a complete schedule of portfolio holdings with the Securities and Exchange Commission (the Commission) for the first and third quarters of each fiscal year on Form N-Q. The fund's Form N-Q may be reviewed and copied at the: Public Reference Room Securities and Exchange Commission 100 F Street, NE, Room 1580 Washington, D.C. 20549 Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-202-551-5850. The fund's Form N-Q is available on the EDGAR database on the Commission's Internet Web site at http://www.sec.gov, and copies of this information may be obtained, upon payment of a duplicating fee, by electronic request at the following e-mail address: publicinfo@sec.gov or by writing the Public Reference Section at the above address. A shareholder can also obtain the quarterly portfolio holdings report at mfs.com. CONTACT US WEB SITE MAILING ADDRESS mfs.com MFS Service Center, Inc. P.O. Box 55824 MFS TALK Boston, MA 1-800-637-8255 02205-5824 24 hours a day OVERNIGHT MAIL ACCOUNT SERVICE AND MFS Service Center, Inc. LITERATURE 500 Boylston Street Boston, MA 02116-3741 SHAREHOLDERS 1-800-225-2606 8 a.m. to 8 p.m. ET INVESTMENT PROFESSIONALS 1-800-343-2829 8 a.m. to 8 p.m. ET RETIREMENT PLAN SERVICES 1-800-637-1255 8 a.m. to 8 p.m. ET - ------------------------------------------------------------------------------- Go paperless with eDELIVERY: Arrange to have MFS send prospectuses, reports, and proxies directly to your e-mail inbox. You'll get timely information and less clutter in your mailbox (not to mention help your fund save printing and postage costs). SIGN UP: If your account is registered with us, simply go to mfs.com, log in to your account via MFS Access, and select the eDelivery sign up options. If you own your MFS fund shares through a financial institution or a retirement plan, MFS TALK, MFS Access, and eDelivery may not be available to you. - ------------------------------------------------------------------------------- M F S(R) INVESTMENT MANAGEMENT M F S(R) INVESTMENT MANAGEMENT [graphic omitted] Semiannual report MFS(R) RESEARCH INTERNATIONAL FUND LETTER FROM THE CEO 1 - --------------------------------------------------------- PORTFOLIO COMPOSITION 2 - --------------------------------------------------------- EXPENSE TABLE 3 - --------------------------------------------------------- PORTFOLIO OF INVESTMENTS 5 - --------------------------------------------------------- STATEMENT OF ASSETS AND LIABILITIES 11 - --------------------------------------------------------- STATEMENT OF OPERATIONS 14 - --------------------------------------------------------- STATEMENTS OF CHANGES IN NET ASSETS 16 - --------------------------------------------------------- FINANCIAL HIGHLIGHTS 18 - --------------------------------------------------------- NOTES TO FINANCIAL STATEMENTS 33 - --------------------------------------------------------- BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT 45 - --------------------------------------------------------- PROXY VOTING POLICIES AND INFORMATION 45 - --------------------------------------------------------- QUARTERLY PORTFOLIO DISCLOSURE 45 - --------------------------------------------------------- CONTACT INFORMATION BACK COVER - --------------------------------------------------------- THE REPORT IS PREPARED FOR THE GENERAL INFORMATION OF SHAREHOLDERS. IT IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY WHEN PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS. - ------------------------------------------------------------------------------ NOT FDIC INSURED o MAY LOSE VALUE o NO BANK OR CREDIT UNION GUARANTEE o NOT A DEPOSIT o NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY OR NCUA/NCUSIF - ------------------------------------------------------------------------------ 2/28/07 RIF-SEM [Photo of Robert J. Manning] LETTER FROM THE CEO Dear Shareholders: The past year has been a great example of why investors should keep their eyes on the long term. In 2006 the Dow Jones Industrial Average returned 19%. In February 2007 it hit its all-time high of 12,787. Less than a week later, stocks sold off around the globe. By March 5 the Dow was off 5.8%. That is a sign of volatile markets and a reason investors should make sure they have an investment plan that can ride out the peaks and troughs. If you are focused on a long-term investment strategy, the short-term ups and downs of the markets should not necessarily dictate portfolio action on your part. Both the bond and stock markets are inherently cyclical. In our view, investors who remain committed to a long-term plan are more likely to achieve their financial goals. We believe you should not let the headlines guide you in your investment decisions and that there is no sense in reacting to short- term volatility. In any market environment, we believe individual investors are best served by following a three-pronged investment strategy of allocating their holdings across the major asset classes, diversifying within each class, and regularly rebalancing their portfolios to maintain their desired allocations. Of course, these strategies cannot guarantee a profit or protect against a loss. Investing and planning for the long term require diligence and patience, two traits that in our experience are essential to capitalizing on the many opportunities the financial markets can offer -- through both up and down economic cycles. Respectfully, /s/ Robert J. Manning Robert J. Manning Chief Executive Officer and Chief Investment Officer MFS Investment Management(R) April 16, 2007 The opinions expressed in this letter are subject to change, may not be relied upon for investment advice, and no forecasts can be guaranteed. PORTFOLIO COMPOSITION PORTFOLIO STRUCTURE Common Stocks 98.7% Cash & Other Net Assets 1.3% TOP TEN HOLDINGS HSBC Holdings PLC 3.1% ------------------------------------------------ Royal Dutch Shell PLC, "A" 2.3% ------------------------------------------------ Nestle S.A. 2.3% ------------------------------------------------ BHP Billiton PLC 2.1% ------------------------------------------------ E.ON AG 2.1% ------------------------------------------------ TOTAL S.A. 2.0% ------------------------------------------------ Royal Bank of Scotland Group PLC 2.0% ------------------------------------------------ Bayer AG 2.0% ------------------------------------------------ WPP Group PLC 2.0% ------------------------------------------------ UBS AG 2.0% ------------------------------------------------ EQUITY SECTORS Financial Services 29.3% ------------------------------------------------ Utilities & Communications 10.8% ------------------------------------------------ Basic Materials 9.4% ------------------------------------------------ Energy 6.8% ------------------------------------------------ Autos & Housing 6.6% ------------------------------------------------ Health Care 6.6% ------------------------------------------------ Consumer Staples 6.5% ------------------------------------------------ Technology 6.0% ------------------------------------------------ Retailing 4.7% ------------------------------------------------ Leisure 4.7% ------------------------------------------------ Industrial Goods & Services 4.5% ------------------------------------------------ Special Products & Services 2.8% ------------------------------------------------ COUNTRY WEIGHTINGS United Kingdom 21.3% ------------------------------------------------ Japan 16.3% ------------------------------------------------ France 13.0% ------------------------------------------------ Germany 12.1% ------------------------------------------------ Switzerland 9.9% ------------------------------------------------ Italy 3.9% ------------------------------------------------ South Korea 3.4% ------------------------------------------------ Netherlands 3.0% ------------------------------------------------ Norway 2.0% ------------------------------------------------ Other Countries 15.1% ------------------------------------------------ Percentages are based on net assets as of 2/28/07. The portfolio is actively managed and current holdings may be different. EXPENSE TABLE Fund expenses borne by the shareholders during the period, September 1, 2006 through February 28, 2007 As a shareholder of the fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on certain purchase or redemption payments and redemption fees on certain exchanges and redemptions, and (2) ongoing costs, including management fees; distribution and service (12b-1) fees; and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the period and held for the entire period September 1, 2006 through February 28, 2007. ACTUAL EXPENSES The first line for each share class in the following table provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each share class in the following table provides information about hypothetical account values and hypothetical expenses based on the fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as sales charges (loads) or redemption fees. Therefore, the second line for each share class in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. - -------------------------------------------------------------------------------- Expenses Paid During Annualized Beginning Ending Period(p) Share Expense Account Value Account Value 9/01/06- Class Ratio 9/01/06 2/28/07 2/28/07 - -------------------------------------------------------------------------------- Actual 1.33% $1,000.00 $1,105.50 $6.94 A --------------------------------------------------------------------------- Hypothetical (h) 1.33% $1,000.00 $1,018.20 $6.66 - -------------------------------------------------------------------------------- Actual 1.98% $1,000.00 $1,102.20 $10.32 B --------------------------------------------------------------------------- Hypothetical (h) 1.98% $1,000.00 $1,014.98 $9.89 - -------------------------------------------------------------------------------- Actual 1.98% $1,000.00 $1,102.10 $10.32 C --------------------------------------------------------------------------- Hypothetical (h) 1.98% $1,000.00 $1,014.98 $9.89 - -------------------------------------------------------------------------------- Actual 0.98% $1,000.00 $1,107.70 $5.12 I --------------------------------------------------------------------------- Hypothetical (h) 0.98% $1,000.00 $1,019.93 $4.91 - -------------------------------------------------------------------------------- Actual 1.07% $1,000.00 $1,107.40 $5.59 W --------------------------------------------------------------------------- Hypothetical (h) 1.07% $1,000.00 $1,019.49 $5.36 - -------------------------------------------------------------------------------- Actual 1.48% $1,000.00 $1,104.90 $7.72 R --------------------------------------------------------------------------- Hypothetical (h) 1.48% $1,000.00 $1,017.46 $7.40 - -------------------------------------------------------------------------------- Actual 2.07% $1,000.00 $1,101.70 $10.79 R1 --------------------------------------------------------------------------- Hypothetical (h) 2.07% $1,000.00 $1,014.53 $10.34 - -------------------------------------------------------------------------------- Actual 1.72% $1,000.00 $1,103.50 $8.97 R2 --------------------------------------------------------------------------- Hypothetical (h) 1.72% $1,000.00 $1,016.27 $8.60 - -------------------------------------------------------------------------------- Actual 1.62% $1,000.00 $1,103.90 $8.45 R3 --------------------------------------------------------------------------- Hypothetical (h) 1.62% $1,000.00 $1,016.76 $8.10 - -------------------------------------------------------------------------------- Actual 1.37% $1,000.00 $1,105.30 $7.15 R4 --------------------------------------------------------------------------- Hypothetical (h) 1.37% $1,000.00 $1,018.00 $6.85 - -------------------------------------------------------------------------------- Actual 1.07% $1,000.00 $1,106.80 $5.59 R5 --------------------------------------------------------------------------- Hypothetical (h) 1.07% $1,000.00 $1,019.49 $5.36 - -------------------------------------------------------------------------------- Actual 1.58% $1,000.00 $1,104.10 $8.24 529A --------------------------------------------------------------------------- Hypothetical (h) 1.58% $1,000.00 $1,016.96 $7.90 - -------------------------------------------------------------------------------- Actual 2.23% $1,000.00 $1,100.70 $11.62 529B --------------------------------------------------------------------------- Hypothetical (h) 2.23% $1,000.00 $1,013.74 $11.13 - -------------------------------------------------------------------------------- Actual 2.23% $1,000.00 $1,100.80 $11.62 529C --------------------------------------------------------------------------- Hypothetical (h) 2.23% $1,000.00 $1,013.74 $11.13 - -------------------------------------------------------------------------------- (h) 5% class return per year before expenses. (p) Expenses paid is equal to each class' annualized expense ratio, as shown above, multiplied by the average account value over the period, multiplied by the number of days in the period, divided by the number of days in the year. Expenses paid do not include any applicable sales charges (loads) or redemption fees. If these transaction costs had been included, your costs would have been higher. PORTFOLIO OF INVESTMENTS 2/28/07 (unaudited) The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes. Common Stocks - 98.7% - -------------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - -------------------------------------------------------------------------------------------------- Aerospace - 0.9% - -------------------------------------------------------------------------------------------------- Finmeccanica S.p.A. (l) 1,319,840 $ 39,027,907 - -------------------------------------------------------------------------------------------------- Alcoholic Beverages - 1.7% - -------------------------------------------------------------------------------------------------- Grupo Modelo S.A. de C.V., "C" 1,019,730 $ 5,241,223 Heineken N.V 900,350 44,372,520 Pernod Ricard S.A. (l) 106,127 21,902,773 --------------- $ 71,516,516 - -------------------------------------------------------------------------------------------------- Apparel Manufacturers - 2.8% - -------------------------------------------------------------------------------------------------- Adidas AG (l) 1,172,530 $ 57,584,868 Li & Fung Ltd. 7,068,000 22,435,367 LVMH Moet Hennessy Louis Vuitton S.A. (l) 375,300 41,575,368 --------------- $ 121,595,603 - -------------------------------------------------------------------------------------------------- Automotive - 4.7% - -------------------------------------------------------------------------------------------------- Bayerische Motoren Werke AG (l) 825,790 $ 47,974,395 Bridgestone Corp. 1,464,000 30,806,727 Continental AG 427,659 53,361,965 Honda Motor Co. Ltd. 1,796,400 67,101,225 --------------- $ 199,244,312 - -------------------------------------------------------------------------------------------------- Biotechnology - 0.7% - -------------------------------------------------------------------------------------------------- Actelion Ltd. (a)(l) 132,960 $ 29,036,049 - -------------------------------------------------------------------------------------------------- Broadcasting - 3.4% - -------------------------------------------------------------------------------------------------- Antena 3 de Television S.A. (l) 928,662 $ 20,801,329 Grupo Televisa S.A., ADR 402,330 10,979,586 Nippon Television Network Corp. 179,030 29,775,293 WPP Group PLC 5,815,170 84,379,596 --------------- $ 145,935,804 - -------------------------------------------------------------------------------------------------- Brokerage & Asset Managers - 0.6% - -------------------------------------------------------------------------------------------------- EFG International (a) 679,690 $ 24,357,349 - -------------------------------------------------------------------------------------------------- Business Services - 0.9% - -------------------------------------------------------------------------------------------------- Mitsubishi Corp. 1,628,500 $ 37,984,112 - -------------------------------------------------------------------------------------------------- Chemicals - 3.9% - -------------------------------------------------------------------------------------------------- Bayer AG (l) 1,481,020 $ 85,177,916 Syngenta AG 249,824 44,158,374 Umicore 220,250 37,698,663 --------------- $ 167,034,953 - -------------------------------------------------------------------------------------------------- Computer Software - Systems - 0.8% - -------------------------------------------------------------------------------------------------- Cap Gemini S.A. (l) 518,680 $ 36,267,777 - -------------------------------------------------------------------------------------------------- Conglomerates - 1.9% - -------------------------------------------------------------------------------------------------- Siemens AG 589,190 $ 62,167,372 Smiths Group PLC 1,043,820 21,110,252 --------------- $ 83,277,624 - -------------------------------------------------------------------------------------------------- Construction - 1.5% - -------------------------------------------------------------------------------------------------- CEMEX S.A. de C.V., ADR (a) 242,566 $ 8,242,393 CRH PLC 1,064,440 44,432,116 Siam Cement Public Co. Ltd. 1,793,300 12,608,727 --------------- $ 65,283,236 - -------------------------------------------------------------------------------------------------- Consumer Goods & Services - 2.2% - -------------------------------------------------------------------------------------------------- Kao Corp. (l) 1,558,000 $ 45,556,326 Kimberly-Clark de Mexico S.A. de C.V., "A" 1,963,480 8,226,042 Reckitt Benckiser PLC 773,760 40,245,638 --------------- $ 94,028,006 - -------------------------------------------------------------------------------------------------- Electrical Equipment - 2.2% - -------------------------------------------------------------------------------------------------- OMRON Corp. 1,212,600 $ 34,022,074 Schneider Electric S.A. (l) 479,263 58,209,388 --------------- $ 92,231,462 - -------------------------------------------------------------------------------------------------- Electronics - 5.0% - -------------------------------------------------------------------------------------------------- ARM Holdings PLC 7,978,370 $ 20,091,027 ASML Holding N.V. (a) 1,536,900 37,841,508 Konica Minolta Holdings, Inc. 2,114,500 27,125,927 Nippon Electric Glass Co. Ltd. 606,000 14,826,080 Royal Philips Electronics N.V 1,275,720 46,871,375 Samsung Electronics Co. Ltd. 91,088 54,844,320 Venture Corp. Ltd. 1,284,000 11,593,679 --------------- $ 213,193,916 - -------------------------------------------------------------------------------------------------- Energy - Integrated - 6.4% - -------------------------------------------------------------------------------------------------- BG Group PLC 1,272,110 $ 17,284,680 Petroleo Brasileiro S.A., ADR 87,170 7,880,168 Royal Dutch Shell PLC, "A" 3,028,570 98,237,714 Sasol Ltd. 411,910 13,244,695 Statoil A.S.A. (l) 2,041,870 52,113,580 TOTAL S.A. (l) 1,279,540 86,371,561 --------------- $ 275,132,398 - -------------------------------------------------------------------------------------------------- Food & Beverages - 2.6% - -------------------------------------------------------------------------------------------------- Nestle S.A 262,323 $ 97,774,838 Nong Shim Co. Ltd. 42,603 11,717,295 --------------- $ 109,492,133 - -------------------------------------------------------------------------------------------------- Food & Drug Stores - 1.0% - -------------------------------------------------------------------------------------------------- Sundrug Co. Ltd. 675,300 $ 14,923,599 Tesco PLC 3,463,719 29,380,351 --------------- $ 44,303,950 - -------------------------------------------------------------------------------------------------- Furniture & Appliances - 0.4% - -------------------------------------------------------------------------------------------------- Funai Electric Co. Ltd. (l) 189,700 $ 18,323,933 - -------------------------------------------------------------------------------------------------- Insurance - 1.9% - -------------------------------------------------------------------------------------------------- AXA (l) 1,936,480 $ 82,395,882 - -------------------------------------------------------------------------------------------------- Internet - 0.2% - -------------------------------------------------------------------------------------------------- Universo Online S.A., IPS (a) 1,626,300 $ 8,023,346 - -------------------------------------------------------------------------------------------------- Leisure & Toys - 1.3% - -------------------------------------------------------------------------------------------------- Konami Corp. (l) 1,034,300 $ 27,533,550 NAMCO BANDAI Holdings, Inc. 1,821,900 26,913,557 --------------- $ 54,447,107 - -------------------------------------------------------------------------------------------------- Machinery & Tools - 1.4% - -------------------------------------------------------------------------------------------------- Fanuc Ltd. 411,600 $ 36,801,555 GEA Group AG 1,010,810 23,269,938 --------------- $ 60,071,493 - -------------------------------------------------------------------------------------------------- Major Banks - 14.8% - -------------------------------------------------------------------------------------------------- Barclays PLC 5,295,470 $ 76,942,593 BNP Paribas (l) 757,723 79,137,812 BOC Hong Kong Holdings Ltd. 17,776,500 43,002,432 Credit Agricole S.A. (l) 1,906,774 76,086,395 Deutsche Postbank AG 338,850 28,490,462 Erste Bank der Oesterreichischen Sparkassen AG (l) 439,308 32,641,692 Mitsubishi UFJ Financial Group, Inc. 4,835 59,656,047 Royal Bank of Scotland Group PLC 2,167,681 85,507,832 Standard Chartered PLC 1,018,870 28,567,851 Sumitomo Mitsui Financial Group, Inc. 6,620 64,337,024 UniCredito Italiano S.p.A. (l) 6,130,610 56,818,306 --------------- $ 631,188,446 - -------------------------------------------------------------------------------------------------- Metals & Mining - 3.9% - -------------------------------------------------------------------------------------------------- BHP Billiton PLC 4,388,180 $ 88,014,331 POSCO 132,222 49,563,944 Steel Authority of India Ltd. 9,620,690 23,630,718 TMK OAO, GDR (a)(z) 159,700 5,270,100 --------------- $ 166,479,093 - -------------------------------------------------------------------------------------------------- Natural Gas - Distribution - 0.9% - -------------------------------------------------------------------------------------------------- Gaz de France (l) 412,901 $ 18,196,884 Tokyo Gas Co. Ltd. (l) 3,993,390 22,442,359 --------------- $ 40,639,243 - -------------------------------------------------------------------------------------------------- Natural Gas - Pipeline - 0.4% - -------------------------------------------------------------------------------------------------- OAO Gazprom, ADR (l) 465,750 $ 18,965,340 - -------------------------------------------------------------------------------------------------- Oil Services - 0.4% - -------------------------------------------------------------------------------------------------- Saipem S.p.A 611,910 $ 16,564,168 - -------------------------------------------------------------------------------------------------- Other Banks & Diversified Financials - 12.0% - -------------------------------------------------------------------------------------------------- Aeon Credit Service Co. Ltd. 2,183,300 $ 41,514,620 Akbank T.A.S 3,747,777 24,666,897 Banche Popolari Unite S.c.p.a. (l) 1,861,520 52,952,030 Banco Nossa Caixa S.A 469,100 8,839,046 Bank of Cyprus Public Co. Ltd. 1,106,496 16,484,079 CSU Cardsystem S.A. (a) 1,510,770 10,260,866 Hana Financial Group, Inc. 514,380 27,311,246 HSBC Holdings PLC 7,595,726 132,885,496 Sapporo Hokuyo Holdings, Inc. 1,024 10,644,131 Shinsei Bank Ltd. 4,115,000 22,047,748 SinoPac Holdings 30,674,000 15,358,189 Suncorp-Metway Ltd. (l) 3,123,600 53,574,414 UBS AG 1,421,678 84,328,423 Unibanco - Uniao de Bancos Brasileiros S.A., ADR 142,530 12,183,464 --------------- $ 513,050,649 - -------------------------------------------------------------------------------------------------- Pharmaceuticals - 5.9% - -------------------------------------------------------------------------------------------------- Astellas Pharma, Inc. 933,700 $ 40,952,447 GlaxoSmithKline PLC 2,334,470 65,547,317 Novartis AG 1,088,370 60,626,333 Roche Holding AG (l) 468,450 83,609,893 --------------- $ 250,735,990 - -------------------------------------------------------------------------------------------------- Specialty Chemicals - 1.6% - -------------------------------------------------------------------------------------------------- Linde AG 691,320 $ 70,437,299 - -------------------------------------------------------------------------------------------------- Specialty Stores - 0.9% - -------------------------------------------------------------------------------------------------- NEXT PLC 915,190 $ 36,694,214 - -------------------------------------------------------------------------------------------------- Telecommunications - Wireless - 3.0% - -------------------------------------------------------------------------------------------------- America Movil S.A. de C.V., "L", ADR 398,460 $ 17,452,548 Philippine Long Distance Telephone Co. 394,900 18,877,412 Rogers Communications, Inc., "B" 621,420 20,282,809 Vodafone Group PLC 25,393,970 70,553,348 --------------- $ 127,166,117 - -------------------------------------------------------------------------------------------------- Telephone Services - 2.4% - -------------------------------------------------------------------------------------------------- France Telecom S.A. (l) 1,270,300 $ 34,504,179 Telenor A.S.A. (l) 1,909,940 35,352,820 TELUS Corp. 659,680 31,778,558 --------------- $ 101,635,557 - -------------------------------------------------------------------------------------------------- Utilities - Electric Power - 4.1% - -------------------------------------------------------------------------------------------------- British Energy Group PLC (a) 1,759,770 $ 14,304,966 CEZ AS 355,750 14,302,781 E.ON AG 669,360 87,798,100 Equatorial Energia S.A., IEU (a) 1,743,510 15,451,633 SUEZ S.A. (l) 439,008 21,269,987 Tohoku Electric Power Co., Inc. 849,200 22,677,867 --------------- $ 175,805,334 - -------------------------------------------------------------------------------------------------- TOTAL COMMON STOCKS (IDENTIFIED COST, $3,674,225,684) $ 4,221,566,318 - -------------------------------------------------------------------------------------------------- Short-Term Obligations - 1.9% - -------------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - -------------------------------------------------------------------------------------------------- General Electric Capital Corp., 5.32%, due 3/01/07, at Amortized Cost and Value (y) $ 83,847,000 $ 83,847,000 - -------------------------------------------------------------------------------------------------- Collateral for Securities Loaned - 13.7% - -------------------------------------------------------------------------------------------------- Navigator Securities Lending Prime Portfolio, at Cost and Net Asset Value 584,876,053 $ 584,876,053 - -------------------------------------------------------------------------------------------------- TOTAL INVESTMENTS (IDENTIFIED COST, $4,342,948,737) (k) $ 4,890,289,371 - -------------------------------------------------------------------------------------------------- Other Assets, Less Liabilities - (14.3)% (613,302,143) - -------------------------------------------------------------------------------------------------- NET ASSETS - 100.0% $ 4,276,987,228 - -------------------------------------------------------------------------------------------------- (a) Non-income producing security. (k) As of February 28, 2007, the fund had two securities that were fair valued, aggregating $20,628,289 and 0.42% of market value, in accordance with the policies adopted by the Board of Trustees. (l) All or a portion of this security is on loan. (y) The rate shown represents an annualized yield at time of purchase. (z) Restricted securities are not registered under the Securities Act of 1933 and are subject to legal restrictions on resale. These securities generally may be resold in transactions exempt from registration or to the public if the securities are subsequently registered. Disposal of these securities may involve time-consuming negotiations and prompt sale at an acceptable price may be difficult. The fund holds the following restricted security: CURRENT ACQUISITION ACQUISITION MARKET TOTAL % OF RESTRICTED SECURITIES DATE COST VALUE NET ASSETS - ------------------------------------------------------------------------------------------------- TMK OAO, GDR 10/31/06-2/19/07 $3,543,463 $5,270,100 0.1% The following abbreviations are used in this report and are defined: ADR American Depository Receipt GDR Global Depository Receipt IEU International Equity Unit IPS International Preference Stock SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF ASSETS AND LIABILITIES At 2/28/07 (unaudited) This statement represents your fund's balance sheet, which details the assets and liabilities comprising the total value of the fund. ASSETS - ------------------------------------------------------------------------------------------------------- Investments, at value, including $557,276,508 of securities on loan (identified cost, $4,342,948,737) $4,890,289,371 Cash 186,036 Foreign currency, at value (identified cost, $9,967,344) 9,616,578 Receivable for investments sold 40,040,017 Receivable for fund shares sold 14,934,281 Interest and dividends receivable 5,187,356 Other assets 69,937 - ------------------------------------------------------------------------------------------------------- Total assets $4,960,323,576 - ------------------------------------------------------------------------------------------------------- LIABILITIES - ------------------------------------------------------------------------------------------------------- Payable for investments purchased $83,383,190 Payable for fund shares reacquired 13,954,290 Collateral for securities loaned, at value (c) 584,876,053 Payable to affiliates Management fee 183,826 Shareholder servicing costs 278,374 Distribution and service fees 57,406 Administrative services fee 3,356 Program manager fees 45 Retirement plan administration and services fees 1,438 Payable for independent trustees' compensation 35,747 Accrued expenses and other liabilities 562,623 - ------------------------------------------------------------------------------------------------------- Total liabilities $683,336,348 - ------------------------------------------------------------------------------------------------------- Net assets $4,276,987,228 - ------------------------------------------------------------------------------------------------------- NET ASSETS CONSIST OF - ------------------------------------------------------------------------------------------------------- Paid-in capital $3,518,734,728 Unrealized appreciation (depreciation) on investments and translation of assets and liabilities in foreign currencies (net of $40,970 deferred country tax) 547,076,719 Accumulated net realized gain (loss) on investments and foreign currency transactions 216,292,749 Accumulated distributions in excess of net investment income (5,116,968) - ------------------------------------------------------------------------------------------------------- Net assets $4,276,987,228 - ------------------------------------------------------------------------------------------------------- Shares of beneficial interest outstanding 220,154,562 - ------------------------------------------------------------------------------------------------------- Statement of Assets and Liabilities (unaudited) - continued Class A shares - ------------------------------------------------------------------------------------------------------- Net assets $1,641,693,854 Shares outstanding 85,093,987 - ------------------------------------------------------------------------------------------------------- Net asset value per share $19.29 - ------------------------------------------------------------------------------------------------------- Offering price per share (100/94.25Xnet asset value per share) $20.47 - ------------------------------------------------------------------------------------------------------- Class B shares - ------------------------------------------------------------------------------------------------------- Net assets $198,462,539 Shares outstanding 10,749,949 - ------------------------------------------------------------------------------------------------------- Net asset value and offering price per share $18.46 - ------------------------------------------------------------------------------------------------------- Class C shares - ------------------------------------------------------------------------------------------------------- Net assets $188,893,195 Shares outstanding 10,279,062 - ------------------------------------------------------------------------------------------------------- Net asset value and offering price per share $18.38 - ------------------------------------------------------------------------------------------------------- Class I shares - ------------------------------------------------------------------------------------------------------- Net assets $1,941,163,885 Shares outstanding 98,051,362 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $19.80 - ------------------------------------------------------------------------------------------------------- Class W shares - ------------------------------------------------------------------------------------------------------- Net assets $2,948,696 Shares outstanding 152,960 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $19.28 - ------------------------------------------------------------------------------------------------------- Class R shares - ------------------------------------------------------------------------------------------------------- Net assets $81,044,193 Shares outstanding 4,233,845 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $19.14 - ------------------------------------------------------------------------------------------------------- Class R1 shares - ------------------------------------------------------------------------------------------------------- Net assets $2,924,953 Shares outstanding 160,250 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $18.25 - ------------------------------------------------------------------------------------------------------- Statement of Assets and Liabilities (unaudited) - continued Class R2 shares - ------------------------------------------------------------------------------------------------------- Net assets $1,966,266 Shares outstanding 107,285 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $18.33 - ------------------------------------------------------------------------------------------------------- Class R3 shares - ------------------------------------------------------------------------------------------------------- Net assets $23,527,268 Shares outstanding 1,243,349 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $18.92 - ------------------------------------------------------------------------------------------------------- Class R4 shares - ------------------------------------------------------------------------------------------------------- Net assets $29,268,242 Shares outstanding 1,523,697 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $19.21 - ------------------------------------------------------------------------------------------------------- Class R5 shares - ------------------------------------------------------------------------------------------------------- Net assets $161,880,163 Shares outstanding 8,387,255 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $19.30 - ------------------------------------------------------------------------------------------------------- Class 529A shares - ------------------------------------------------------------------------------------------------------- Net assets $1,918,017 Shares outstanding 100,358 - ------------------------------------------------------------------------------------------------------- Net asset value per share $19.11 - ------------------------------------------------------------------------------------------------------- Offering price per share (100/94.25Xnet asset value per share) $20.28 - ------------------------------------------------------------------------------------------------------- Class 529B shares - ------------------------------------------------------------------------------------------------------- Net assets $503,034 Shares outstanding 27,639 - ------------------------------------------------------------------------------------------------------- Net asset value and offering price per share $18.20 - ------------------------------------------------------------------------------------------------------- Class 529C shares - ------------------------------------------------------------------------------------------------------- Net assets $792,923 Shares outstanding 43,564 - ------------------------------------------------------------------------------------------------------- Net asset value and offering price per share $18.20 - ------------------------------------------------------------------------------------------------------- On sales of $50,000 or more, the offering prices of Class A and Class 529A shares are reduced. A contingent deferred sales charge may be imposed on redemptions of Class A, Class B, Class C, Class 529B, and Class 529C shares. (c) Non-cash collateral not included. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF OPERATIONS Six months ended 2/28/07 (unaudited) This statement describes how much your fund earned in investment income and accrued in expenses. It also describes any gains and/or losses generated by fund operations. NET INVESTMENT LOSS - ------------------------------------------------------------------------------------------------------ Income Dividends $20,174,494 Income on securities loaned 1,331,782 Interest 1,069,237 Foreign taxes withheld (1,484,058) - ------------------------------------------------------------------------------------------------------ Total investment income $21,091,455 - ------------------------------------------------------------------------------------------------------ Expenses Management fee $15,019,100 Distribution and service fees 4,720,425 Program manager fees 3,692 Shareholder servicing costs 2,207,735 Administrative services fee 292,955 Retirement plan administration and services fees 114,144 Independent trustees' compensation 30,628 Custodian fee 1,022,286 Shareholder communications 92,880 Auditing fees 23,895 Legal fees 44,320 Miscellaneous 147,420 - ------------------------------------------------------------------------------------------------------ Total expenses $23,719,480 - ------------------------------------------------------------------------------------------------------ Fees paid indirectly (126,825) Reduction of expenses by investment adviser (21,123) - ------------------------------------------------------------------------------------------------------ Net expenses $23,571,532 - ------------------------------------------------------------------------------------------------------ Net investment loss $(2,480,077) - ------------------------------------------------------------------------------------------------------ Statement of Operations (unaudited) - continued REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS - ------------------------------------------------------------------------------------------------------ Realized gain (loss) (identified cost basis) Investment transactions (net of $287 country tax) $311,482,190 Foreign currency transactions (739,047) - ------------------------------------------------------------------------------------------------------ Net realized gain (loss) on investments and foreign currency transactions $310,743,143 - ------------------------------------------------------------------------------------------------------ Change in unrealized appreciation (depreciation) Investments (net of $40,970 increase in deferred country tax) $76,081,628 Translation of assets and liabilities in foreign currencies (223,139) - ------------------------------------------------------------------------------------------------------ Net unrealized gain (loss) on investments and foreign currency translation $75,858,489 - ------------------------------------------------------------------------------------------------------ Net realized and unrealized gain (loss) on investments and foreign currency $386,601,632 - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $384,121,555 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENTS OF CHANGES IN NET ASSETS These statements describe the increases and/or decreases in net assets resulting from operations, any distributions, and any shareholder transactions. SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 (UNAUDITED) CHANGE IN NET ASSETS FROM OPERATIONS - ------------------------------------------------------------------------------------------------------- Net investment income (loss) $(2,480,077) $30,991,305 Net realized gain (loss) on investments and foreign currency transactions 310,743,143 379,594,014 Net unrealized gain (loss) on investments and foreign currency translation 75,858,489 209,290,585 - ------------------------------------------------------------------------------------------------------- Change in net assets from operations $384,121,555 $619,875,904 - ------------------------------------------------------------------------------------------------------- DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------- From net investment income Class A $(16,967,603) $(7,372,365) Class B (1,072,793) (226,370) Class C (1,096,339) (254,257) Class I (24,753,020) (9,060,373) Class W (24,752) -- Class R (787,598) (303,000) Class R1 (19,857) (2,858) Class R2 (14,104) (1,155) Class R3 (173,134) (29,271) Class R4 (225,636) (1,034) Class R5 (2,054,416) (523) Class 529A (17,590) (4,962) Class 529B (2,810) (80) Class 529C (3,613) (10) Statement of Changes in Net Assets - continued From net realized gain on investments and foreign currency transactions Class A $(141,613,840) $(80,787,062) Class B (19,000,322) (12,159,865) Class C (17,352,910) (9,704,848) Class I (163,196,758) (70,748,663) Class W (166,668) -- Class R (7,397,422) (3,873,527) Class R1 (244,118) (33,799) Class R2 (125,262) (13,584) Class R3 (1,606,783) (346,752) Class R4 (1,723,640) (9,270) Class R5 (14,271,300) (4,369) Class 529A (171,279) (70,615) Class 529B (44,384) (15,904) Class 529C (75,790) (39,146) - ------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(414,203,741) $(195,063,662) - ------------------------------------------------------------------------------------------------------- Change in net assets from fund share transactions $841,079,291 $931,454,179 - ------------------------------------------------------------------------------------------------------- Total change in net assets $810,997,105 $1,356,266,421 - ------------------------------------------------------------------------------------------------------- NET ASSETS - ------------------------------------------------------------------------------------------------------- At beginning of period 3,465,990,123 2,109,723,702 At end of period (including accumulated distributions in excess of net investment income of $5,116,968 and undistributed net investment income of $44,576,374) $4,276,987,228 $3,465,990,123 - ------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Statements FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the fund's financial performance for the semiannual period and the past 5 fiscal years (or life of a particular share class, if shorter). Certain information reflects financial results for a single fund share. The total returns in the table represent the rate by which an investor would have earned (or lost) on an investment in the fund share class (assuming reinvestment of all distributions) held for the entire period. SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------------------------- CLASS A 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $19.44 $16.65 $14.25 $11.53 $10.78 $12.25 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.02) $0.19 $0.12 $0.10 $0.04 $(0.00)(w) Net realized and unrealized gain (loss) on investments and foreign currency 2.04 4.08 3.04 2.63 0.71 (1.47) - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.02 $4.27 $3.16 $2.73 $0.75 $(1.47) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.23) $(0.12) $(0.08) $(0.01) $-- $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.17) $(1.48) $(0.76) $(0.01) $-- $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.29 $19.44 $16.65 $14.25 $11.53 $10.78 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.55(n) 27.18 22.67 23.65 6.96 (12.00) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.33(a) 1.43 1.52 1.61 1.80 1.86 Expenses after expense reductions (f) 1.33(a) 1.43 1.55(e) 1.67(e) 1.75 1.77 Net investment income (loss) (0.23)(a) 1.06 0.80 0.75 0.36 (0.02) Portfolio turnover 37 85 79 102 96 153 Net assets at end of period (000 Omitted) $1,641,694 $1,344,754 $958,878 $593,574 $387,732 $313,418 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED -------------------------------------------------------------------------- CLASS B 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $18.63 $16.02 $13.76 $11.19 $10.54 $12.04 - ------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.08) $0.07 $0.01 $0.02 $(0.03) $(0.08) Net realized and unrealized gain (loss) on investments and foreign currency 1.96 3.93 2.93 2.55 0.68 (1.42) - ------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.88 $4.00 $2.94 $2.57 $0.65 $(1.50) - ------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.11) $(0.03) $(0.00)(w) $-- $-- $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- -- -- - ------------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.05) $(1.39) $(0.68) $-- $-- $-- - ------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.46 $18.63 $16.02 $13.76 $11.19 $10.54 - ------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.22(n) 26.36 21.77 22.97 6.17 (12.46) - ------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions(f) 1.98(a) 2.08 2.17 2.25 2.45 2.51 Expenses after expense reductions (f) 1.98(a) 2.08 2.20(e) 2.31(e) 2.40 2.42 Net investment income (loss) (0.88)(a) 0.40 0.08 0.12 (0.32) (0.69) Portfolio turnover 37 85 79 102 96 153 Net assets at end of period (000 Omitted) $198,463 $184,341 $141,515 $116,165 $88,177 $82,659 - ------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------- CLASS C 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $18.57 $15.98 $13.73 $11.17 $10.52 $12.02 - ------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.08) $0.07 $0.02 $0.02 $(0.03) $(0.08) Net realized and unrealized gain (loss) on investments and foreign currency 1.95 3.92 2.92 2.54 0.68 (1.42) - ------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.87 $3.99 $2.94 $2.56 $0.65 $(1.50) - ------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.12) $(0.04) $(0.01) $-- $-- $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- -- -- - ------------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.06) $(1.40) $(0.69) $-- $-- $-- - ------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.38 $18.57 $15.98 $13.73 $11.17 $10.52 - ------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.21(n) 26.38 21.84 22.92 6.18 (12.48) - ------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.98(a) 2.08 2.17 2.25 2.45 2.51 Expenses after expense reductions (f) 1.98(a) 2.08 2.20(e) 2.31(e) 2.40 2.42 Net investment income (loss) (0.88)(a) 0.41 0.13 0.15 (0.32) (0.09) Portfolio turnover 37 85 79 102 96 153 Net assets at end of period (000 Omitted) $188,893 $158,564 $109,347 $75,580 $46,022 $43,046 - ------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED -------------------------------------------------------------------------- CLASS I 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $19.92 $17.02 $14.54 $11.75 $10.95 $12.39 - ------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.01 $0.26 $0.19 $0.16 $0.10 $0.04 Net realized and unrealized gain (loss) on investments and foreign currency 2.10 4.17 3.10 2.66 0.70 (1.48) - ------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.11 $4.43 $3.29 $2.82 $0.80 $(1.44) - ------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.29) $(0.17) $(0.13) $(0.03) $-- $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- -- -- - ------------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.23) $(1.53) $(0.81) $(0.03) $-- $-- - ------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.80 $19.92 $17.02 $14.54 $11.75 $10.95 - ------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.77(n) 27.61 23.09 24.05 7.31 (11.62) - ------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 0.98(a) 1.08 1.17 1.26 1.45 1.51 Expenses after expense reductions (f) 0.98(a) 1.08 1.20(e) 1.32(e) 1.40 1.42 Net investment income 0.12(a) 1.41 1.18 1.18 0.95 0.38 Portfolio turnover 37 85 79 102 96 153 Net assets at end of period (000 Omitted) $1,941,164 $1,565,596 $851,484 $469,181 $232,328 $18,207 - ------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS ENDED YEAR ENDED CLASS W 2/28/07 8/31/06(i) (UNAUDITED) Net asset value, beginning of period $19.45 $19.54 - ---------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------- Net investment income (d) $0.00(w) $0.04 Net realized and unrealized gain (loss) on investments and foreign currency 2.06 (0.13)(g) - ---------------------------------------------------------------------------------------------------------- Total from investment operations $2.06 $(0.09) - ---------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ---------------------------------------------------------------------------------------------------------- From net investment income $(0.29) $-- From net realized gain on investments and foreign currency transactions (1.94) -- - ---------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.23) $-- - ---------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.28 $19.45 - ---------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.74(n) (0.46)(n) - ---------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ---------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.07(a) 1.20(a) Expenses after expense reductions (f) 1.07(a) 1.20(a) Net investment income 0.01(a) 1.02(a) Portfolio turnover 37 85 Net assets at end of period (000 Omitted) $2,949 $1,033 - ---------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------- CLASS R 2/28/07 2006 2005 2004 2003(i) (UNAUDITED) Net asset value, beginning of period $19.29 $16.54 $14.20 $11.52 $10.32 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.04) $0.17 $0.11 $0.09 $(0.01) Net realized and unrealized gain (loss) on investments and foreign currency 2.04 4.05 3.01 2.61 1.21 - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.00 $4.22 $3.12 $2.70 $1.20 - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.21) $(0.11) $(0.10) $(0.02) $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.15) $(1.47) $(0.78) $(0.02) $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.14 $19.29 $16.54 $14.20 $11.52 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.49(n) 26.98 22.40 23.50 11.63(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.48(a) 1.58 1.66 1.75 1.95(a) Expenses after expense reductions (f) 1.48(a) 1.58 1.69(e) 1.81(e) 1.90(a) Net investment income (loss) (0.38)(a) 0.95 0.73 0.69 (0.09)(a) Portfolio turnover 37 85 79 102 96 Net assets at end of period (000 Omitted) $81,044 $69,507 $44,300 $19,596 $4,810 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R1 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $18.49 $16.02 $15.07 - ----------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.09) $0.11 $0.03 Net realized and unrealized gain (loss) on investments and foreign currency 1.95 3.84 0.92 - ----------------------------------------------------------------------------------------------------------------- Total from investment operations $1.86 $3.95 $0.95 - ----------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------- From net investment income $(0.16) $(0.12) $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) -- - ----------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.10) $(1.48) $-- - ----------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.25 $18.49 $16.02 - ----------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.17(n) 26.12 6.30(n) - ----------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.17(a) 2.26 2.36(a) Expenses after expense reductions (f) 2.07(a) 2.16 2.39(a)(e) Net investment income (loss) (0.97)(a) 0.65 0.46(a) Portfolio turnover 37 85 79 Net assets at end of period (000 Omitted) $2,925 $2,027 $171 - ----------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R2 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $18.59 $16.04 $15.07 - ----------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.06) $0.14 $0.06 Net realized and unrealized gain (loss) on investments and foreign currency 1.96 3.89 0.91 - ----------------------------------------------------------------------------------------------------------------- Total from investment operations $1.90 $4.03 $0.97 - ----------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------- From net investment income $(0.22) $(0.12) $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) -- - ----------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.16) $(1.48) $-- - ----------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.33 $18.59 $16.04 - ----------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.35(n) 26.63 6.44(n) - ----------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.87(a) 1.96 2.04(a) Expenses after expense reductions (f) 1.72(a) 1.82 2.07(a)(e) Net investment income (loss) (0.64)(a) 0.83 1.12(a) Portfolio turnover 37 85 79 Net assets at end of period (000 Omitted) $1,966 $1,021 $178 - ----------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------- CLASS R3 2/28/07 2006 2005 2004(i) (UNAUDITED) Net asset value, beginning of period $19.11 $16.43 $14.16 $12.71 - -------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.05) $0.15 $0.11 $0.02 Net realized and unrealized gain (loss) on investments and foreign currency 2.01 4.01 2.96 1.46 - -------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.96 $4.16 $3.07 $1.48 - -------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - -------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.21) $(0.12) $(0.12) $(0.03) From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- - -------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.15) $(1.48) $(0.80) $(0.03) - -------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.92 $19.11 $16.43 $14.16 - -------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.39(n) 26.79 22.13 11.69(n) - -------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.72(a) 1.82 1.92 2.01(a) Expenses after expense reductions (f) 1.62(a) 1.73 1.95(e) 2.07(a)(e) Net investment income (loss) (0.54)(a) 0.83 0.74 0.18(a) Portfolio turnover 37 85 79 102 Net assets at end of period (000 Omitted) $23,527 $13,799 $2,357 $431 - -------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R4 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $19.39 $16.65 $15.62 - ----------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.03) $0.25 $0.12 Net realized and unrealized gain (loss) on investments and foreign currency 2.04 4.00 0.91 - ----------------------------------------------------------------------------------------------------------------- Total from investment operations $2.01 $4.25 $1.03 - ----------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------- From net investment income $(0.25) $(0.15) $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) -- - ----------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.19) $(1.51) $-- - ----------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.21 $19.39 $16.65 - ----------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.53(n) 27.07 6.59(n) - ----------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.37(a) 1.47 1.55(a) Expenses after expense reductions (f) 1.37(a) 1.47 1.58(a)(e) Net investment income (loss) (0.29)(a) 1.42 1.79(a) Portfolio turnover 37 85 79 Net assets at end of period (000 Omitted) $29,268 $12,796 $53 - ----------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED -------------------------- CLASS R5 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $19.47 $16.67 $15.62 - ----------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.00(w) $0.33 $0.14 Net realized and unrealized gain (loss) on investments and foreign currency 2.05 3.99 0.91 - ----------------------------------------------------------------------------------------------------------------- Total from investment operations $2.05 $4.32 $1.05 - ----------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------- From net investment income $(0.28) $(0.16) $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) -- - ----------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.22) $(1.52) $-- - ----------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.30 $19.47 $16.67 - ----------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.68(n) 27.50 6.72(n) - ----------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.08(a) 1.17 1.25(a) Expenses after expense reductions (f) 1.07(a) 1.17 1.28(a)(e) Net investment income 0.01(a) 1.82 2.09(a) Portfolio turnover 37 85 79 Net assets at end of period (000 Omitted) $161,880 $109,993 $53 - ----------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------ CLASS 529A 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $19.27 $16.53 $14.18 $11.50 $10.78 $10.66 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.05) $0.16 $0.10 $0.08 $0.03 $(0.00)(w) Net realized and unrealized gain (loss) on investments and foreign currency 2.03 4.04 3.01 2.61 0.69 0.12 - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.98 $4.20 $3.11 $2.69 $0.72 $0.12 - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.20) $(0.10) $(0.08) $(0.01) $-- $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.14) $(1.46) $(0.76) $(0.01) $-- $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $19.11 $19.27 $16.53 $14.18 $11.50 $10.78 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.41(n) 26.86 22.35 23.39 6.68 1.13(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions(f) 1.58(a) 1.68 1.76 1.85 2.05 2.11(a) Expenses after expense reductions (f) 1.58(a) 1.68 1.79(e) 1.91(e) 2.00 2.02(a) Net investment income (loss) (0.48)(a) 0.88 0.65 0.62 0.30 (0.20)(a) Portfolio turnover 37 85 79 102 96 153 Net assets at end of period (000 Omitted) $1,918 $1,552 $760 $332 $112 $11 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------- CLASS 529B 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $18.43 $15.88 $13.68 $11.17 $10.54 $10.42 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.10) $0.03 $(0.02) $(0.00)(w) $(0.05) $(0.00)(w) Net realized and unrealized gain (loss) on investments and foreign currency 1.93 3.89 2.91 2.51 0.68 0.12 - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.83 $3.92 $2.89 $2.51 $0.63 $0.12 - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.12) $(0.01) $(0.01) $-- $-- $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.06) $(1.37) $(0.69) $-- $-- $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.20 $18.43 $15.88 $13.68 $11.17 $10.54 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.07(n) 26.06 21.54 22.47 5.98 1.15(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions(f) 2.23(a) 2.33 2.42 2.50 2.70 2.76(a) Expenses after expense reductions(f) 2.23(a) 2.33 2.45(e) 2.56(e) 2.65 2.67(a) Net investment income (loss) (1.13)(a) 0.15 (0.13) (0.03) (0.43) (0.45)(a) Portfolio turnover 37 85 79 102 96 153 Net assets at end of period (000 Omitted) $503 $356 $174 $110 $41 $5 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED -------------------------------------------------------------------- CLASS 529C 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $18.40 $15.86 $13.66 $11.14 $10.52 $10.40 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (loss) (d) $(0.11) $0.03 $(0.01) $(0.00)(w) $(0.04) $(0.00)(w) Net realized and unrealized gain (loss) on investments and foreign currency 1.94 3.87 2.90 2.52 0.66 0.12 - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.83 $3.90 $2.89 $2.52 $0.62 $0.12 - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.09) $(0.00)(w) $(0.01) $-- $-- $-- From net realized gain on investments and foreign currency transactions (1.94) (1.36) (0.68) -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(2.03) $(1.36) $(0.69) $-- $-- $-- - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $18.20 $18.40 $15.86 $13.66 $11.14 $10.52 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.08(n) 25.98 21.53 22.62 5.89 1.15(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions(f) 2.23(a) 2.33 2.42 2.49 2.70 2.76(a) Expenses after expense reductions(f) 2.23(a) 2.33 2.45(e) 2.55(e) 2.65 2.67(a) Net investment income (loss) (1.14)(a) 0.16 (0.07) (0.02) (0.36) (0.45)(a) Portfolio turnover 37 85 79 102 96 153 Net assets at end of period (000 Omitted) $793 $650 $454 $280 $81 $5 - ----------------------------------------------------------------------------------------------------------------------------- Any redemption fees charged by the fund during the 2004 and 2005 fiscal years resulted in a per share impact of less than $0.01. (a) Annualized. (d) Per share data are based on average shares outstanding. (e) Ratio includes a reimbursement fee for expenses borne by MFS in prior years under the then existing expense reimbursement agreement. (f) Ratios do not reflect reductions from fees paid indirectly. (g) The per share amount is not in accordance with the net realized and unrealized gain/loss for the period because of the timing of sales of fund shares and the per share amount of realized and unrealized gains and losses at such time. (i) For the period from the class' inception, July 31, 2002 (Classes 529A, 529B, and 529C), December 31, 2002 (Class R), October 31, 2003 (Class R3), April 1, 2005 (Classes R1, R2, R4, and R5) and May 1, 2006 (Class W) through the stated period end. (n) Not annualized. (r) Certain expenses have been reduced without which performance would have been lower. (s) From time to time the fund may receive proceeds from litigation settlements, without which performance would be lower. (t) Total returns do not include any applicable sales charges. (w) Per share amount was less than $0.01. SEE NOTES TO FINANCIAL STATEMENTS NOTES TO FINANCIAL STATEMENTS (unaudited) (1) BUSINESS AND ORGANIZATION MFS Research International Fund (the fund) is a series of MFS Series Trust I (the trust). The trust is organized as a Massachusetts business trust and is registered under the Investment Company Act of 1940, as amended, as an open- end management investment company. (2) SIGNIFICANT ACCOUNTING POLICIES GENERAL - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The fund can invest in foreign securities, including securities of emerging market issuers. Investments in foreign securities are vulnerable to the effects of changes in the relative values of the local currency and the U.S. dollar and to the effects of changes in each country's legal, political, and economic environment. The markets of emerging markets countries are generally more volatile than the markets of developed countries with more mature economies. All of the risks of investing in foreign securities previously described are heightened when investing in emerging markets countries. INVESTMENT VALUATIONS - Equity securities, including restricted equity securities, are generally valued at the last sale or official closing price as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities for which there were no sales reported that day, equity securities are generally valued at the last quoted daily bid quotation as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities held short for which there were no sales reported for the day, the position is generally valued at the last quoted daily ask quotation as reported by an independent pricing service on the market or exchange on which such securities are primarily traded. Short-term instruments with a maturity at issuance of 60 days or less may be valued at amortized cost, which approximates market value. Open-end investment companies are generally valued at their net asset value per share. Securities and other assets generally valued on the basis of information from an independent pricing service may also be valued at a broker-dealer bid quotation. The values of foreign securities and other assets and liabilities expressed in foreign currencies are converted to U.S. dollars using the mean of bid and asked prices for rates reported by an independent pricing service. The Board of Trustees has delegated primary responsibility for determining or causing to be determined the value of the fund's investments (including any fair valuation) to the adviser pursuant to valuation policies and procedures approved by the Board. If the adviser determines that reliable market quotations are not readily available, investments are valued at fair value as determined in good faith by the adviser in accordance with such procedures under the oversight of the Board of Trustees. Under the fund's valuation policies and procedures, market quotations are not considered to be readily available for many types of debt instruments and certain types of derivatives. These investments are generally valued at fair value based on information from independent pricing services. In addition, investments may be valued at fair value if the adviser determines that an investment's value has been materially affected by events occurring after the close of the exchange or market on which the investment is principally traded (such as foreign exchange or market) and prior to the determination of the fund's net asset value, or after the halting of trading of a specific security where trading does not resume prior to the close of the exchange or market on which the security is principally traded. Events that occur on a frequent basis after foreign markets close (such as developments in foreign markets and significant movements in the U.S. markets) and prior to the determination of the fund's net asset value may be deemed to have a material affect on the value of securities traded in foreign markets. Accordingly, the fund's foreign equity securities may often be valued at fair value. The adviser may rely on independent pricing services or other information (such as the correlation with price movements of similar securities in the same or other markets; the type, cost and investment characteristics of the security; the business and financial condition of the issuer; and trading and other market data) to assist in determining whether to fair value and at what value to fair value an investment. The value of an investment for purposes of calculating the fund's net asset value can differ depending on the source and method used to determine value. When fair valuation is used, the value of investments used to determine the fund's net asset value may differ from quoted or published prices for the same investments. In September 2006, FASB Statement No. 157, Fair Value Measurements (the "Statement") was issued, and is effective for fiscal years beginning after November 15, 2007 and for all interim periods within those fiscal years. This Statement provides a single definition of fair value, a hierarchy for measuring fair value and expanded disclosures about fair value measurements. Management is evaluating the application of the Statement to the fund, and believes the impact will be limited to expanded disclosures resulting from the adoption of this Statement in the fund's financial statements. REPURCHASE AGREEMENTS - The fund may enter into repurchase agreements with institutions that the fund's investment adviser has determined are creditworthy. Each repurchase agreement is recorded at cost. The fund requires that the securities collateral in a repurchase transaction be transferred to the custodian in a manner sufficient to enable the fund to obtain those securities in the event of a default under the repurchase agreement. The fund monitors, on a daily basis, the value of the collateral to ensure that its value, including accrued interest, is greater than amounts owed to the fund under each such repurchase agreement. The fund and other funds managed by Massachusetts Financial Services Company (MFS), may utilize a joint trading account for the purpose of entering into one or more repurchase agreements. FOREIGN CURRENCY TRANSLATION - Purchases and sales of foreign investments, income, and expenses are converted into U.S. dollars based upon currency exchange rates prevailing on the respective dates of such transactions. Gains and losses attributable to foreign currency exchange rates on sales of securities are recorded for financial statement purposes as net realized gains and losses on investments. Gains and losses attributable to foreign exchange rate movements on income and expenses are recorded for financial statement purposes as foreign currency transaction gains and losses. That portion of both realized and unrealized gains and losses on investments that results from fluctuations in foreign currency exchange rates is not separately disclosed. SECURITY LOANS - State Street Bank and Trust Company ("State Street"), as lending agent, may loan the securities of the fund to certain qualified institutions (the "Borrowers") approved by the fund. The loans are collateralized at all times by cash and/or U.S. Treasury securities in an amount at least equal to the market value of the securities loaned. State Street provides the fund with indemnification against Borrower default. The fund bears the risk of loss with respect to the investment of cash collateral. On loans collateralized by cash, the cash collateral is invested in a money market fund or short-term securities. A portion of the income generated upon investment of the collateral is remitted to the Borrowers, and the remainder is allocated between the fund and the lending agent. On loans collateralized by U.S. Treasury securities, a fee is received from the Borrower, and is allocated between the fund and the lending agent. The dividend and interest income earned on the securities loaned is accounted for in the same manner as other dividend and interest income. At February 28, 2007, the value of securities loaned was $557,276,508. These loans were collateralized by cash of $584,876,053 and U.S. Treasury obligations of $460,000. INDEMNIFICATIONS - Under the fund's organizational documents, its officers and trustees may be indemnified against certain liabilities and expenses arising out of the performance of their duties to the fund. Additionally, in the normal course of business, the fund enters into agreements with service providers that may contain indemnification clauses. The fund's maximum exposure under these agreements is unknown as this would involve future claims that may be made against the fund that have not yet occurred. INVESTMENT TRANSACTIONS AND INCOME - Investment transactions are recorded on the trade date. Interest income is recorded on the accrual basis. All premium and discount is amortized or accreted for financial statement purposes in accordance with U.S. generally accepted accounting principles. All discount is accreted for tax reporting purposes as required by federal income tax regulations. Dividends received in cash are recorded on the ex-dividend date. Certain dividends from foreign securities will be recorded when the fund is informed of the dividend if such information is obtained subsequent to the ex- dividend date. Dividend and interest payments received in additional securities are recorded on the ex-dividend or ex-interest date in an amount equal to the value of the security on such date. The fund may receive proceeds from litigation settlements. Any proceeds received from litigation involving its portfolio holdings are reflected in realized gain/loss in the Statement of Operations, or in unrealized gain/loss if the security is still held by the fund. Any other proceeds from litigation not related to portfolio holdings are reflected as other income in the Statement of Operations. FEES PAID INDIRECTLY - The fund's custody fee is reduced according to an arrangement that measures the value of cash deposited with the custodian by the fund. This amount, for the six months ended February 28, 2007, is shown as a reduction of total expenses on the Statement of Operations. TAX MATTERS AND DISTRIBUTIONS - The fund intends to qualify as a regulated investment company, as defined under Subchapter M of the Internal Revenue Code, and to distribute all of its taxable income, including realized capital gains. Accordingly, no provision for federal income tax is required in the financial statements. Foreign taxes, if any, have been accrued by the fund in the accompanying financial statements. Distributions to shareholders are recorded on the ex-dividend date. Income and capital gain distributions are determined in accordance with income tax regulations, which may differ from U.S. generally accepted accounting principles. Certain capital accounts in the financial statements are periodically adjusted for permanent differences in order to reflect their tax character. These adjustments have no impact on net assets or net asset value per share. Temporary differences which arise from recognizing certain items of income, expense, gain or loss in different periods for financial statement and tax purposes will reverse at some time in the future. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. Book/tax differences primarily relate to passive foreign investment companies, wash sale loss deferrals, foreign currency transactions, and treating a portion of the proceeds from redemptions as a distribution for tax purposes. The tax character of distributions made during the current period will be determined at fiscal year end. The tax character of distributions declared to shareholders is as follows: 8/31/06 Ordinary income (including any short-term capital gains) $104,557,669 Long-term capital gain 90,505,993 ------------------------------------------------------------- Total distributions $195,063,662 The federal tax cost and the tax basis components of distributable earnings were as follows: AS OF 2/28/07 Cost of investments $4,360,475,150 ------------------------------------------------------------- Gross appreciation $580,546,783 Gross depreciation (50,732,562) ------------------------------------------------------------- Net unrealized appreciation (depreciation) $529,814,221 AS OF 8/31/06 Undistributed ordinary income $179,019,881 Undistributed long-term capital gain 155,812,624 Other temporary differences (189,443) Net unrealized appreciation (depreciation) 453,691,624 The aggregate cost above includes prior fiscal year end tax adjustments. In June 2006, FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes (the "Interpretation") was issued, and is effective for fiscal years beginning after December 15, 2006 and is to be applied to all open tax years as of the effective date. On December 22, 2006, the SEC delayed the implementation of the Interpretation for regulated investment companies for an additional six months. This Interpretation prescribes a minimum threshold for financial statement recognition of the benefit of a tax position taken or expected to be taken in a tax return, and requires certain expanded disclosures. Management is evaluating the application of the Interpretation to the fund, and has not at this time determined the impact, if any, resulting from the adoption of this Interpretation on the fund's financial statements. MULTIPLE CLASSES OF SHARES OF BENEFICIAL INTEREST - The fund offers multiple classes of shares, which differ in their respective distribution and service fees. All shareholders bear the common expenses of the fund based on daily net assets of each class, without distinction between share classes. Dividends are declared separately for each class. Differences in per share dividend rates are generally due to differences in separate class expenses. Class B and Class 529B shares will convert to Class A and Class 529A shares, respectively, approximately eight years after purchase. (3) TRANSACTIONS WITH AFFILIATES INVESTMENT ADVISER - The fund has an investment advisory agreement with MFS to provide overall investment management and related administrative services and facilities to the fund. The management fee is computed daily and paid monthly at the following annual rates: First $1.0 billion of average daily net assets 0.90% Next $1.0 billion of average daily net assets 0.80% Average daily net assets in excess of $2.0 billion 0.70% The management fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.78% of the fund's average daily net assets. The investment adviser has agreed in writing to pay a portion of the fund's operating expenses, exclusive of management, distribution and service, retirement plan administration and services, program manager, and certain other fees and expenses, such that operating expenses do not exceed 0.40% annually of the fund's average daily net assets. This written agreement will continue through December 31, 2007 unless changed or rescinded by the fund's Board of Trustees. For the six months ended February 28, 2007, the fund's actual operating expenses did not exceed the limit and therefore, the investment adviser did not pay any portion of the fund's expenses. DISTRIBUTOR - MFS Fund Distributors, Inc. (MFD), a wholly-owned subsidiary of MFS, as distributor, received $95,684 and $703 for the six months ended February 28, 2007, as its portion of the initial sales charge on sales of Class A and Class 529A shares of the fund, respectively. The Board of Trustees has adopted a distribution plan for certain class shares pursuant to Rule 12b-1 of the Investment Company Act of 1940. The fund's distribution plan provides that the fund will pay MFD for services provided by MFD and financial intermediaries in connection with the distribution and servicing of certain share classes. One component of the plan is a distribution fee paid to MFD and another component of the plan is a service fee paid to MFD. MFD may subsequently pay all, or a portion, of the distribution and/or service fees to financial intermediaries. Distribution Fee Plan Table: TOTAL ANNUAL DISTRIBUTION DISTRIBUTION SERVICE DISTRIBUTION EFFECTIVE AND SERVICE FEE RATE FEE RATE PLAN(d) RATE(e) FEE Class A 0.10% 0.25% 0.35% 0.35% $2,605,294 Class B 0.75% 0.25% 1.00% 1.00% 964,204 Class C 0.75% 0.25% 1.00% 1.00% 869,925 Class W 0.10% -- 0.10% 0.10% 887 Class R 0.25% 0.25% 0.50% 0.50% 190,712 Class R1 0.50% 0.25% 0.75% 0.75% 9,359 Class R2 0.25% 0.25% 0.50% 0.50% 3,182 Class R3 0.25% 0.25% 0.50% 0.50% 43,934 Class R4 -- 0.25% 0.25% 0.25% 23,923 Class 529A 0.25% 0.25% 0.50% 0.35% 3,104 Class 529B 0.75% 0.25% 1.00% 1.00% 2,164 Class 529C 0.75% 0.25% 1.00% 1.00% 3,737 - --------------------------------------------------------------------------------------------------------------------- Total Distribution and Service Fees $4,720,425 (d) In accordance with the distribution plan for certain classes, the fund pays distribution and/or service fees up to these annual percentage rates of each class' average daily net assets. (e) The annual effective rates represent actual fees incurred under the distribution plan for the six months ended February 28, 2007 based on each class' average daily net assets. 0.10% of the Class 529A distribution fee is currently being paid by the fund. Payment of the remaining 0.15% of the Class 529A distribution fee is not yet in effect and will be implemented on such date as the fund's Board of Trustees may determine. Certain Class A, Class C and Class 529C shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within 12 months of purchase. Class B and Class 529B shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within six years of purchase. All contingent deferred sales charges are paid to MFD and during the six months ended February 28, 2007, were as follows: AMOUNT Class A $24,675 Class B 76,099 Class C 6,646 Class 529B 115 Class 529C 45 The fund has entered into and may from time to time enter into contracts with program managers and other parties which administer the tuition programs through which an investment in the fund's 529 share classes is made. The fund has entered into an agreement with MFD pursuant to which MFD receives an annual fee of up to 0.35% of the average daily net assets attributable to each 529 share class. The fee is based on average daily net assets and is currently established at 0.25% annually of average daily net assets of the fund's 529 share classes. The fee may only be increased with the approval of the Board of Trustees who oversees the fund. The services provided by MFD, or a third party with which MFD contracts, include recordkeeping and tax reporting and account services, as well as services designed to maintain the program's compliance with the Internal Revenue Code and other regulatory requirements. Program manager fees for the six months ended February 28, 2007, were as follows: AMOUNT Class 529A $2,217 Class 529B 541 Class 529C 934 -------------------------------------------------------- Total Program Manager Fees $3,692 SHAREHOLDER SERVICING AGENT - MFS Service Center, Inc. (MFSC), a wholly-owned subsidiary of MFS, receives a fee from the fund for its services as shareholder servicing agent calculated as a percentage of the average daily net assets of the fund as determined periodically under the supervision of the fund's Board of Trustees. For the six months ended February 28, 2007, the fee was $1,458,479, which equated to 0.0754% annually of the fund's average daily net assets. Effective January 1, 2007, MFSC has entered into a sub-accounting agreement with SunLife Retirement Services (U.S.), Inc. (SRS), an affiliate of MFSC, on behalf of the fund to provide omnibus account services to the fund. MFSC pays SRS both an asset based fee and a per account charge of the assets held in the omnibus account. The fund then reimburses MFSC for the sub- accounting fees paid to SRS. For the six months ended February 28, 2007, the sub-accounting fee for SRS was $141,417, which equated to 0.0073% annually of the fund's average daily net assets. MFSC also receives payment from the fund for out-of-pocket and sub-accounting expenses. For the six months ended February 28, 2007, these out-of-pocket and sub-accounting costs amounted to $495,073. The fund may also pay shareholder servicing related costs directly to non-related parties. ADMINISTRATOR - MFS provides certain financial, legal, shareholder communications, compliance, and other administrative services to the fund. Under an administrative services agreement, the fund partially reimburses MFS the costs incurred to provide these services. The fund is charged a fixed amount plus a fee based on calendar year average net assets. The fund's annual fixed amount is $17,500. The administrative services fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.0151% of the fund's average daily net assets. In addition to the administrative services provided by MFS to the fund as described above, MFS is responsible for providing certain retirement plan administration and services with respect to certain shares. These services include various administrative, recordkeeping, and communication/educational services with respect to the retirement plans which invest in these shares, and may be provided directly by MFS or by a third party. MFS may subsequently pay all, or a portion, of the retirement plan administration and services fee to affiliated or unaffiliated third parties. For the six months ended February 28, 2007, the fund paid MFS an annual retirement plan adminstration and services fee up to the following annual percentage rates of each class' average daily net assets: ANNUAL EFFECTIVE TOTAL FEE RATE RATE(g) AMOUNT Class R1 0.45% 0.35% $5,615 Class R2 0.40% 0.25% 2,546 Class R3 0.25% 0.15% 21,967 Class R4 0.15% 0.15% 14,354 Class R5 0.10% 0.10% 69,662 - ------------------------------------------------------------------------------- Total Retirement Plan Administration and Services Fees $114,144 (g) MFS has agreed in writing to waive a portion of the retirement plan administration and services fee equal to 0.10% for Class R1 shares, 0.15% for Class R2 shares, and 0.10% for Class R3 shares. This agreement will continue until at least September 30, 2008. For the six months ended February 28, 2007, this waiver amounted to $10,990 and is reflected as a reduction of total expenses in the Statement of Operations. TRUSTEES' AND OFFICERS' COMPENSATION - The fund pays compensation to independent trustees in the form of a retainer, attendance fees, and additional compensation to Board and Committee chairpersons. The fund does not pay compensation directly to trustees or officers of the fund who are also officers of the investment adviser, all of whom receive remuneration for their services to the fund from MFS. Certain officers and trustees of the fund are officers or directors of MFS, MFD, and MFSC. The fund has an unfunded, defined benefit plan for certain retired independent trustees which resulted in a pension expense of $272. The fund also has an unfunded retirement benefit deferral plan for certain independent trustees which resulted in an expense of $4,104. Both amounts are included in independent trustees' compensation for the six months ended February 28, 2007. The liability for deferred retirement benefits payable to certain independent trustees under both plans amounted to $33,817 at February 28, 2007, and is included in payable for independent trustees' compensation. OTHER - This fund and certain other MFS funds (the funds) have entered into a services agreement (the Agreement) which provides for payment of fees by the funds to Tarantino LLC in return for the provision of services of an Independent Chief Compliance Officer (ICCO) for the funds. The ICCO is an officer of the funds and the sole member of Tarantino LLC. The funds can terminate the Agreement with Tarantino LLC at any time under the terms of the Agreement. For the six months ended February 28, 2007, the fee paid to Tarantino LLC was $15,607. MFS has agreed to reimburse the fund for a portion of the payments made by the funds to Tarantino LLC in the amount of $10,133, which is shown as a reduction of total expenses in the Statement of Operations. Additionally, MFS has agreed to bear all expenses associated with office space, other administrative support, and supplies provided to the ICCO. (4) PORTFOLIO SECURITIES Purchases and sales of investments, other than U.S. government securities, purchased option transactions, and short-term obligations, aggregated $1,829,770,683 and $1,425,475,547, respectively. (5) SHARES OF BENEFICIAL INTEREST The fund's Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional shares of beneficial interest. Transactions in fund shares were as follows: SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06(i) SHARES AMOUNT SHARES AMOUNT Shares sold Class A 22,575,976 $444,173,969 30,630,255 $556,734,183 Class B 1,608,134 30,234,231 3,401,167 59,298,455 Class C 1,888,447 35,345,960 3,025,371 52,468,875 Class I 13,560,111 274,083,251 30,755,216 581,780,278 Class W 103,780 2,048,509 53,111 1,031,086 Class R 1,107,345 21,737,537 1,713,782 30,827,673 Class R1 161,900 3,001,660 118,411 2,100,359 Class R2 109,278 2,040,737 46,997 846,131 Class R3 1,304,377 25,093,794 805,222 14,237,540 Class R4 1,562,547 30,585,112 737,220 13,528,900 Class R5 2,688,459 54,184,669 6,785,761 117,544,808 Class 529A 13,210 258,596 35,512 640,671 Class 529B 6,524 122,480 7,849 136,554 Class 529C 8,046 149,117 7,149 123,841 - ---------------------------------------------------------------------------------------------------------- 46,698,134 $923,059,622 78,123,023 $1,431,299,354 Shares issued to shareholders in reinvestment of distributions Class A 5,693,666 $108,521,287 3,732,231 $62,253,599 Class B 925,951 16,907,886 649,122 10,424,911 Class C 693,008 12,598,865 441,721 7,067,535 Class I 9,490,387 185,442,163 4,619,694 78,765,784 Class W 9,678 184,179 -- -- Class R 395,202 7,477,210 234,859 3,891,575 Class R1 14,617 263,975 2,328 36,657 Class R2 7,691 139,366 922 14,739 Class R3 95,132 1,779,917 22,921 376,023 Class R4 102,687 1,948,996 619 10,304 Class R5 856,467 16,324,252 293 4,892 Class 529A 9,998 188,869 4,564 75,577 Class 529B 2,620 47,194 1,005 15,984 Class 529C 4,406 79,403 2,465 39,156 - ---------------------------------------------------------------------------------------------------------- 18,301,510 $351,903,562 9,712,744 $162,976,736 Shares reacquired Class A (12,357,124) $(244,543,532) (22,770,545) $(406,301,939) Class B (1,677,925) (31,706,574) (2,987,955) (52,111,572) Class C (842,701) (15,899,972) (1,768,974) (30,633,224) Class I (3,596,258) (72,092,869) (6,808,899) (127,967,564) Class W (13,609) (272,261) -- -- Class R (871,762) (17,049,113) (1,023,578) (18,415,220) Class R1 (125,882) (2,329,361) (21,804) (394,455) Class R2 (64,641) (1,199,105) (4,075) (70,219) Class R3 (878,231) (16,918,318) (249,484) (4,380,146) Class R4 (801,558) (15,757,626) (81,019) (1,516,299) Class R5 (808,231) (15,955,217) (1,138,695) (20,875,810) Class 529A (3,410) (65,630) (5,526) (98,083) Class 529B (826) (15,818) (463) (8,063) Class 529C (4,212) (78,497) (2,944) (49,317) - ---------------------------------------------------------------------------------------------------------- (22,046,370) $(433,883,893) (36,863,961) $(662,821,911) Net change Class A 15,912,518 $308,151,724 11,591,941 $212,685,843 Class B 856,160 15,435,543 1,062,334 17,611,794 Class C 1,738,754 32,044,853 1,698,118 28,903,186 Class I 19,454,240 387,432,545 28,566,011 532,578,498 Class W 99,849 1,960,427 53,111 1,031,086 Class R 630,785 12,165,634 925,063 16,304,028 Class R1 50,635 936,274 98,935 1,742,561 Class R2 52,328 980,998 43,844 790,651 Class R3 521,278 9,955,393 578,659 10,233,417 Class R4 863,676 16,776,482 656,820 12,022,905 Class R5 2,736,695 54,553,704 5,647,359 96,673,890 Class 529A 19,798 381,835 34,550 618,165 Class 529B 8,318 153,856 8,391 144,475 Class 529C 8,240 150,023 6,670 113,680 - ---------------------------------------------------------------------------------------------------------- 42,953,274 $841,079,291 50,971,806 $931,454,179 (i) For the period from the class' inception, May 1, 2006 (Class W), through the stated period end. The fund is one of several mutual funds in which the MFS funds-of-funds may invest. The MFS funds-of-funds do not invest in the underlying MFS funds for the purpose of exercising management or control. At the end of the period, the MFS International Diversification Fund, MFS Moderate Allocation Fund, MFS Growth Allocation Fund, and MFS Aggressive Growth Allocation Fund were the owners of record of approximately 17%, 5%, 9%, and 3%, respectively, of the value of outstanding voting shares. In addition, the MFS Lifetime 2010 Fund, MFS Lifetime 2020 Fund, MFS Lifetime 2030 Fund, MFS Lifetime 2040 Fund, and MFS Conservative Allocation Fund were each the owners of record of less than 1% of the value of outstanding voting shares. (6) LINE OF CREDIT The fund and other funds managed by MFS participate in a $1 billion unsecured committed line of credit provided by a syndication of banks under a credit agreement. In addition, the fund and other funds managed by MFS have established uncommitted borrowing arrangements with certain banks. Borrowings may be made for temporary financing needs. Interest is charged to each fund, based on its borrowings, generally at a rate equal to the Federal Reserve funds rate plus 0.35%. In addition, a commitment fee, based on the average daily, unused portion of the committed line of credit, is allocated among the participating funds at the end of each calendar quarter. For the six months ended February 28, 2007, the fund's commitment fee and interest expense were $9,737 and $3,725, respectively, and are included in miscellaneous expense on the Statement of Operations. BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT A discussion regarding the Board's most recent review and renewal of the Fund's investment advisory agreement is available by clicking on the fund's name under "Select a fund" on the MFS Web site (mfs.com). PROXY VOTING POLICIES AND INFORMATION A general description of the MFS funds' proxy voting policies and procedures is available without charge, upon request, by calling 1-800-225-2606, by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. Information regarding how the fund voted proxies relating to portfolio securities during the most recent twelve-month period ended June 30 is available without charge by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. QUARTERLY PORTFOLIO DISCLOSURE The fund will file a complete schedule of portfolio holdings with the Securities and Exchange Commission (the Commission) for the first and third quarters of each fiscal year on Form N-Q. The fund's Form N-Q may be reviewed and copied at the: Public Reference Room Securities and Exchange Commission 100 F Street, NE, Room 1580 Washington, D.C. 20549 Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-202-551-5850. The fund's Form N-Q is available on the EDGAR database on the Commission's Internet Web site at http://www.sec.gov, and copies of this information may be obtained, upon payment of a duplicating fee, by electronic request at the following e-mail address: publicinfo@sec.gov or by writing the Public Reference Section at the above address. A shareholder can also obtain the quarterly portfolio holdings report at mfs.com. CONTACT US WEB SITE MAILING ADDRESS mfs.com MFS Service Center, Inc. P.O. Box 55824 MFS TALK Boston, MA 1-800-637-8255 02205-5824 24 hours a day OVERNIGHT MAIL ACCOUNT SERVICE AND MFS Service Center, Inc. LITERATURE 500 Boylston Street Boston, MA 02116-3741 SHAREHOLDERS 1-800-225-2606 8 a.m. to 8 p.m. ET INVESTMENT PROFESSIONALS 1-800-343-2829 8 a.m. to 8 p.m. ET RETIREMENT PLAN SERVICES 1-800-637-1255 8 a.m. to 8 p.m. ET - ------------------------------------------------------------------------------- Go paperless with eDELIVERY: Arrange to have MFS send prospectuses, reports, and proxies directly to your e-mail inbox. You'll get timely information and less clutter in your mailbox (not to mention help your fund save printing and postage costs). SIGN UP: If your account is registered with us, simply go to mfs.com, log in to your account via MFS Access, and select the eDelivery sign up options. If you own your MFS fund shares through a financial institution or a retirement plan, MFS TALK, MFS Access, and eDelivery may not be available to you. - ------------------------------------------------------------------------------- M F S(R) INVESTMENT MANAGEMENT M F S(R) INVESTMENT MANAGEMENT [graphic omitted] Semiannual report MFS(R) TECHNOLOGY FUND LETTER FROM THE CEO 1 - --------------------------------------------------- PORTFOLIO COMPOSITION 2 - --------------------------------------------------- EXPENSE TABLE 3 - --------------------------------------------------- PORTFOLIO OF INVESTMENTS 5 - --------------------------------------------------- STATEMENT OF ASSETS AND LIABILITIES 8 - --------------------------------------------------- STATEMENT OF OPERATIONS 11 - --------------------------------------------------- STATEMENTS OF CHANGES IN NET ASSETS 12 - --------------------------------------------------- FINANCIAL HIGHLIGHTS 13 - --------------------------------------------------- NOTES TO FINANCIAL STATEMENTS 19 - --------------------------------------------------- BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT 30 - --------------------------------------------------- PROXY VOTING POLICIES AND INFORMATION 30 - --------------------------------------------------- QUARTERLY PORTFOLIO DISCLOSURE 30 - --------------------------------------------------- CONTACT INFORMATION BACK COVER - --------------------------------------------------- THE REPORT IS PREPARED FOR THE GENERAL INFORMATION OF SHAREHOLDERS. IT IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY WHEN PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS. - ------------------------------------------------------------------------------ NOT FDIC INSURED o MAY LOSE VALUE o NO BANK OR CREDIT UNION GUARANTEE o NOT A DEPOSIT o NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY OR NCUA/NCUSIF - ------------------------------------------------------------------------------ 2/28/07 SCT-SEM [Photo of Robert J. Manning] LETTER FROM THE CEO Dear Shareholders: The past year has been a great example of why investors should keep their eyes on the long term. In 2006 the Dow Jones Industrial Average returned 19%. In February 2007 it hit its all-time high of 12,787. Less than a week later, stocks sold off around the globe. By March 5 the Dow was off 5.8%. That is a sign of volatile markets and a reason investors should make sure they have an investment plan that can ride out the peaks and troughs. If you are focused on a long-term investment strategy, the short-term ups and downs of the markets should not necessarily dictate portfolio action on your part. Both the bond and stock markets are inherently cyclical. In our view, investors who remain committed to a long-term plan are more likely to achieve their financial goals. We believe you should not let the headlines guide you in your investment decisions and that there is no sense in reacting to short- term volatility. In any market environment, we believe individual investors are best served by following a three-pronged investment strategy of allocating their holdings across the major asset classes, diversifying within each class, and regularly rebalancing their portfolios to maintain their desired allocations. Of course, these strategies cannot guarantee a profit or protect against a loss. Investing and planning for the long term require diligence and patience, two traits that in our experience are essential to capitalizing on the many opportunities the financial markets can offer -- through both up and down economic cycles. Respectfully, /s/ Robert J. Manning Robert J. Manning Chief Executive Officer and Chief Investment Officer MFS Investment Management(R) April 16, 2007 The opinions expressed in this letter are subject to change, may not be relied upon for investment advice, and no forecasts can be guaranteed. PORTFOLIO COMPOSITION PORTFOLIO STRUCTURE Common Stocks 97.3% Cash & Other Net Assets 2.7% TOP TEN HOLDINGS Intel Corp. 7.6% ------------------------------------------------ Cisco Systems, Inc. 6.7% ------------------------------------------------ Marvell Technology Group Ltd. 4.0% ------------------------------------------------ Google, Inc., "A" 3.7% ------------------------------------------------ Oracle Corp. 3.5% ------------------------------------------------ MSC Software Corp. 3.4% ------------------------------------------------ Adobe Systems, Inc. 3.3% ------------------------------------------------ Juniper Networks, Inc. 3.1% ------------------------------------------------ EMC Corp. 3.0% ------------------------------------------------ Qwest Communications International, Inc. 2.8% ------------------------------------------------ TOP FIVE INDUSTRIES Electronics 28.2% ------------------------------------------------ Computer Software 16.8% ------------------------------------------------ Network & Telecom 12.9% ------------------------------------------------ Business Services 7.6% ------------------------------------------------ Internet 7.4% ------------------------------------------------ Percentages are based on net assets as of 2/28/07. The portfolio is actively managed and current holdings may be different. EXPENSE TABLE Fund expenses borne by the shareholders during the period, September 1, 2006 through February 28, 2007 As a shareholder of the fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on certain purchase or redemption payments and redemption fees on certain exchanges and redemptions, and (2) ongoing costs, including management fees; distribution and service (12b-1) fees; and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the period and held for the entire period September 1, 2006 through February 28, 2007. ACTUAL EXPENSES The first line for each share class in the following table provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each share class in the following table provides information about hypothetical account values and hypothetical expenses based on the fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as sales charges (loads) or redemption fees. Therefore, the second line for each share class in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. - -------------------------------------------------------------------------------- Expenses Paid During Annualized Beginning Ending Period(p) Share Expense Account Value Account Value 9/01/06- Class Ratio 9/01/06 2/28/07 2/28/07 - -------------------------------------------------------------------------------- Actual 1.50% $1,000.00 $1,175.70 $8.09 A ---------------------------------------------------------------------------- Hypothetical (h) 1.50% $1,000.00 $1,017.36 $7.50 - -------------------------------------------------------------------------------- Actual 2.15% $1,000.00 $1,172.70 $11.58 B ---------------------------------------------------------------------------- Hypothetical (h) 2.15% $1,000.00 $1,014.13 $10.74 - -------------------------------------------------------------------------------- Actual 2.15% $1,000.00 $1,171.80 $11.58 C ---------------------------------------------------------------------------- Hypothetical (h) 2.15% $1,000.00 $1,014.13 $10.74 - -------------------------------------------------------------------------------- Actual 1.15% $1,000.00 $1,178.10 $6.21 I ---------------------------------------------------------------------------- Hypothetical (h) 1.15% $1,000.00 $1,019.09 $5.76 - -------------------------------------------------------------------------------- Actual 1.65% $1,000.00 $1,175.00 $8.90 R ---------------------------------------------------------------------------- Hypothetical (h) 1.65% $1,000.00 $1,016.61 $8.25 - -------------------------------------------------------------------------------- Actual 2.25% $1,000.00 $1,171.80 $12.12 R1 ---------------------------------------------------------------------------- Hypothetical (h) 2.25% $1,000.00 $1,013.64 $11.23 - -------------------------------------------------------------------------------- Actual 1.90% $1,000.00 $1,173.00 $10.24 R2 ---------------------------------------------------------------------------- Hypothetical (h) 1.90% $1,000.00 $1,015.37 $9.49 - -------------------------------------------------------------------------------- Actual 1.80% $1,000.00 $1,175.00 $9.71 R3 ---------------------------------------------------------------------------- Hypothetical (h) 1.80% $1,000.00 $1,015.87 $9.00 - -------------------------------------------------------------------------------- Actual 1.55% $1,000.00 $1,175.90 $8.36 R4 ---------------------------------------------------------------------------- Hypothetical (h) 1.55% $1,000.00 $1,017.11 $7.75 - -------------------------------------------------------------------------------- Actual 1.25% $1,000.00 $1,178.00 $6.75 R5 ---------------------------------------------------------------------------- Hypothetical (h) 1.25% $1,000.00 $1,018.60 $6.26 - -------------------------------------------------------------------------------- (h) 5% class return per year before expenses. (p) Expenses paid is equal to each class' annualized expense ratio, as shown above, multiplied by the average account value over the period, multiplied by the number of days in the period, divided by the number of days in the year. Expenses paid do not include any applicable sales charges (loads) or redemption fees. If these transaction costs had been included, your costs would have been higher. PORTFOLIO OF INVESTMENTS 2/28/07 (unaudited) The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes. Common Stocks - 97.3% - ---------------------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - ---------------------------------------------------------------------------------------------------------- Broadcasting - 3.7% - --------------------------------------------------------------------------------------------------------- Sirius Satellite Radio, Inc. (a)(l) 593,102 $ 2,164,822 XM Satellite Radio Holdings, Inc., "A" (a) 170,000 2,441,200 ------------ $ 4,606,022 - --------------------------------------------------------------------------------------------------------- Business Services - 7.6% - --------------------------------------------------------------------------------------------------------- Amdocs Ltd. (a) 69,910 $ 2,419,585 First Data Corp. 127,080 3,244,352 Global Payments, Inc. 67,720 2,605,188 Ultimate Software Group, Inc. (a)(l) 45,110 1,201,730 ------------ $ 9,470,855 - --------------------------------------------------------------------------------------------------------- Computer Software - 16.8% - --------------------------------------------------------------------------------------------------------- Adobe Systems, Inc. (a) 103,500 $ 4,062,375 Cognos, Inc. (a) 29,030 1,106,333 Hyperion Solutions Corp. (a) 22,500 963,900 McAfee, Inc. (a) 77,970 2,348,456 MSC.Software Corp. (a) 312,074 4,197,395 Oracle Corp. (a) 264,538 4,346,359 Salesforce.com, Inc. (a) 43,350 1,875,321 Symantec Corp. (a) 111,351 1,904,102 ------------ $ 20,804,241 - --------------------------------------------------------------------------------------------------------- Computer Software - Systems - 3.5% - --------------------------------------------------------------------------------------------------------- Cray, Inc. (a) 181,940 $ 2,432,538 Salary.com, Inc. (a) 165,470 1,869,811 ------------ $ 4,302,349 - --------------------------------------------------------------------------------------------------------- Consumer Goods & Services - 2.0% - --------------------------------------------------------------------------------------------------------- ITT Educational Services, Inc. (a) 15,570 $ 1,245,289 Monster Worldwide, Inc. (a) 23,710 1,182,181 ------------ $ 2,427,470 - --------------------------------------------------------------------------------------------------------- Electronics - 28.2% - --------------------------------------------------------------------------------------------------------- Applied Materials, Inc. 149,880 $ 2,783,272 ASML Holding N.V. (a) 38,310 941,660 Atmel Corp. (a) 189,910 1,052,101 Fairchild Semiconductor International, Inc. (a) 40,200 752,142 Flextronics International Ltd. (a) 109,400 1,195,742 Intel Corp. 475,520 9,439,072 LSI Logic Corp. (a) 138,690 1,406,317 Marvell Technology Group Ltd. (a) 240,660 4,938,343 National Semiconductor Corp. 57,600 1,475,712 Nintendo Co. Ltd. (l) 9,600 2,555,565 Samsung Electronics Co. Ltd., GDR 5,151 1,546,588 SanDisk Corp. (a) 88,840 3,235,553 Sanmina-SCI Corp. (a) 281,200 1,043,252 Solectron Corp. (a) 319,900 1,030,078 Texas Instruments, Inc. 50,060 1,549,858 ------------ $ 34,945,255 - --------------------------------------------------------------------------------------------------------- Internet - 7.4% - --------------------------------------------------------------------------------------------------------- Baidu.com, Inc., ADR (a) 16,170 $ 1,725,339 Google, Inc., "A" (a) 10,175 4,573,154 Move, Inc. (a) 52,400 312,828 NHN Corp. 18,643 2,553,836 ------------ $ 9,165,157 - --------------------------------------------------------------------------------------------------------- Leisure & Toys - 2.7% - --------------------------------------------------------------------------------------------------------- Activision, Inc. (a) 73,910 $ 1,235,775 Ubisoft Entertainment S.A. (a)(l) 47,275 2,082,822 ------------ $ 3,318,597 - --------------------------------------------------------------------------------------------------------- Network & Telecom - 12.9% - --------------------------------------------------------------------------------------------------------- Cisco Systems, Inc. (a) 319,693 $ 8,292,836 Juniper Networks, Inc. (a) 201,830 3,816,605 Nokia Corp., ADR 76,620 1,672,615 Research In Motion Ltd. (a) 4,950 696,020 Sonus Networks, Inc. (a) 198,620 1,527,388 ------------ $ 16,005,464 - --------------------------------------------------------------------------------------------------------- Personal Computers & Peripherals - 6.1% - --------------------------------------------------------------------------------------------------------- EMC Corp. (a) 262,590 $ 3,663,130 Network Appliance, Inc. (a) 48,400 1,871,628 Seagate Technology LLC 35,840 964,096 Western Digital Corp. (a) 57,210 1,096,716 ------------ $ 7,595,570 - --------------------------------------------------------------------------------------------------------- Telephone Services - 6.4% - --------------------------------------------------------------------------------------------------------- Global Crossing Ltd. (a)(l) 92,020 $ 2,616,129 Level 3 Communications, Inc. (a)(l) 269,760 1,772,323 Qwest Communications International, Inc. (a)(l) 394,320 3,501,562 ------------ $ 7,890,014 - --------------------------------------------------------------------------------------------------------- TOTAL COMMON STOCKS (IDENTIFIED COST, $122,683,744) $120,530,994 - --------------------------------------------------------------------------------------------------------- Short-Term Obligations - 0.8% - --------------------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - --------------------------------------------------------------------------------------------------------- General Electric Capital Corp., 5.32%, due 3/01/07, at Amortized Cost and Value (y) $ 1,018,000 $ 1,018,000 - --------------------------------------------------------------------------------------------------------- Collateral for Securities Loaned - 10.9% - --------------------------------------------------------------------------------------------------------- Navigator Securities Lending Prime Portfolio, at Cost and Net Asset Value 13,554,073 $ 13,554,073 - --------------------------------------------------------------------------------------------------------- TOTAL INVESTMENTS (IDENTIFIED COST, $137,255,817) $135,103,067 - --------------------------------------------------------------------------------------------------------- Other Assets, Less Liabilities - (9.0)% (11,159,194) - --------------------------------------------------------------------------------------------------------- NET ASSETS - 100.0% $123,943,873 - --------------------------------------------------------------------------------------------------------- (a) Non-income producing security. (l) All or a portion of this security is on loan. (y) The rate shown represents an annualized yield at time of purchase. The following abbreviations are used in this report and are defined: ADR American Depository Receipt GDR Global Depository Receipt SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF ASSETS AND LIABILITIES At 2/28/07 (unaudited) This statement represents your fund's balance sheet, which details the assets and liabilities comprising the total value of the fund. ASSETS - ------------------------------------------------------------------------------------------------------ Investments, at value, including $13,110,548 of securities on loan (identified cost, $137,255,817) $135,103,067 Cash 79 Foreign currency, at value (identified cost, $1,442,837) 1,389,664 Receivable for investments sold 5,874,655 Receivable for fund shares sold 476,995 Interest and dividends receivable 69,792 Receivable from investment adviser 16,684 Other assets 2,750 - ------------------------------------------------------------------------------------------------------ Total assets $142,933,686 - ------------------------------------------------------------------------------------------------------ LIABILITIES - ------------------------------------------------------------------------------------------------------ Payable for investments purchased $4,781,358 Payable for fund shares reacquired 443,631 Collateral for securities loaned, at value 13,554,073 Payable to affiliates Management fee 5,186 Shareholder servicing costs 89,242 Distribution and service fees 4,365 Administrative services fee 169 Retirement plan administration and services fees 36 Payable for independent trustees' compensation 54,977 Accrued expenses and other liabilities 56,776 - ------------------------------------------------------------------------------------------------------ Total liabilities $18,989,813 - ------------------------------------------------------------------------------------------------------ Net assets $123,943,873 - ------------------------------------------------------------------------------------------------------ NET ASSETS CONSIST OF - ------------------------------------------------------------------------------------------------------ Paid-in capital $428,679,721 Unrealized appreciation (depreciation) on investments and translation of assets and liabilities in foreign currencies (2,205,684) Accumulated net realized gain (loss) on investments and foreign currency transactions (301,763,420) Accumulated net investment loss (766,744) - ------------------------------------------------------------------------------------------------------ Net assets $123,943,873 - ------------------------------------------------------------------------------------------------------ Shares of beneficial interest outstanding 10,606,677 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class A shares - ------------------------------------------------------------------------------------------------------ Net assets $58,276,394 Shares outstanding 4,892,218 - ------------------------------------------------------------------------------------------------------ Net asset value per share $11.91 - ------------------------------------------------------------------------------------------------------ Offering price per share (100/94.25Xnet asset value per share) $12.64 - ------------------------------------------------------------------------------------------------------ Class B shares - ------------------------------------------------------------------------------------------------------ Net assets $40,423,950 Shares outstanding 3,542,331 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $11.41 - ------------------------------------------------------------------------------------------------------ Class C shares - ------------------------------------------------------------------------------------------------------ Net assets $14,066,018 Shares outstanding 1,234,710 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $11.39 - ------------------------------------------------------------------------------------------------------ Class I shares - ------------------------------------------------------------------------------------------------------ Net assets $4,085,412 Shares outstanding 333,660 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $12.24 - ------------------------------------------------------------------------------------------------------ Class R shares - ------------------------------------------------------------------------------------------------------ Net assets $3,858,038 Shares outstanding 326,404 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $11.82 - ------------------------------------------------------------------------------------------------------ Class R1 shares - ------------------------------------------------------------------------------------------------------ Net assets $339,485 Shares outstanding 29,817 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $11.39 - ------------------------------------------------------------------------------------------------------ Class R2 shares - ------------------------------------------------------------------------------------------------------ Net assets $905,408 Shares outstanding 78,974 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $11.46 - ------------------------------------------------------------------------------------------------------ Class R3 shares - ------------------------------------------------------------------------------------------------------ Net assets $1,306,939 Shares outstanding 111,266 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $11.75 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class R4 shares - ------------------------------------------------------------------------------------------------------ Net assets $609,740 Shares outstanding 51,244 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $11.90 - ------------------------------------------------------------------------------------------------------ Class R5 shares - ------------------------------------------------------------------------------------------------------ Net assets $72,489 Shares outstanding 6,053 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $11.98 - ------------------------------------------------------------------------------------------------------ On sales of $50,000 or more, the offering price of Class A shares is reduced. A contingent deferred sales charge may be imposed on redemptions of Class A, Class B, and Class C shares. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF OPERATIONS Six months ended 2/28/07 (unaudited) This statement describes how much your fund earned in investment income and accrued in expenses. It also describes any gains and/or losses generated by fund operations. NET INVESTMENT LOSS - ------------------------------------------------------------------------------------------------------ Income Dividends $202,472 Interest 53,713 Income on securities loaned 43,159 Foreign taxes withheld (1,875) - ------------------------------------------------------------------------------------------------------ Total investment income $297,469 - ------------------------------------------------------------------------------------------------------ Expenses Management fee $445,205 Distribution and service fees 381,964 Shareholder servicing costs 174,592 Administrative services fee 14,728 Retirement plan administration and services fees 3,679 Independent trustees' compensation 14,281 Custodian fee 32,191 Shareholder communications 101,603 Auditing fees 22,457 Legal fees 1,766 Miscellaneous 53,069 - ------------------------------------------------------------------------------------------------------ Total expenses $1,245,535 - ------------------------------------------------------------------------------------------------------ Fees paid indirectly (3,949) Reduction of expenses by investment adviser (177,373) - ------------------------------------------------------------------------------------------------------ Net expenses $1,064,213 - ------------------------------------------------------------------------------------------------------ Net investment loss $(766,744) - ------------------------------------------------------------------------------------------------------ REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS - ------------------------------------------------------------------------------------------------------ Realized gain (loss) (identified cost basis) Investment transactions $19,188,200 Foreign currency transactions (5,853) - ------------------------------------------------------------------------------------------------------ Net realized gain (loss) on investments and foreign currency transactions $19,182,347 - ------------------------------------------------------------------------------------------------------ Change in unrealized appreciation (depreciation) Investments $(463,326) Translation of assets and liabilities in foreign currencies (1,905) - ------------------------------------------------------------------------------------------------------ Net unrealized gain (loss) on investments and foreign currency translation $(465,231) - ------------------------------------------------------------------------------------------------------ Net realized and unrealized gain (loss) on investments and foreign currency $18,717,116 - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $17,950,372 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENTS OF CHANGES IN NET ASSETS These statements describe the increases and/or decreases in net assets resulting from operations, any distributions, and any shareholder transactions. SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 (UNAUDITED) CHANGE IN NET ASSETS FROM OPERATIONS - ------------------------------------------------------------------------------------------------------- Net investment loss $(766,744) $(1,614,441) Net realized gain (loss) on investments and foreign currency transactions 19,182,347 21,168,444 Net unrealized gain (loss) on investments and foreign currency translation (465,231) (4,992,797) - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $17,950,372 $14,561,206 - ------------------------------------------------------------------------------------------------------ Change in net assets from fund share transactions $3,902,348 $(23,708,788) - ------------------------------------------------------------------------------------------------------ Total change in net assets $21,852,720 $(9,147,582) - ------------------------------------------------------------------------------------------------------ NET ASSETS - ------------------------------------------------------------------------------------------------------ At beginning of period 102,091,153 111,238,735 At end of period (including accumulated net investment loss of $766,744 and $0, respectively) $123,943,873 $102,091,153 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the fund's financial performance for the semiannual period and the past 5 fiscal years (or life of a particular share class, if shorter). Certain information reflects financial results for a single fund share. The total returns in the table represent the rate by which an investor would have earned (or lost) on an investment in the fund share class (assuming reinvestment of all distributions) held for the entire period. SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------- CLASS A 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $10.13 $8.84 $7.70 $8.30 $6.25 $10.70 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.06) $(0.11) $(0.05) $(0.10) $(0.07) $(0.11) Net realized and unrealized gain (loss) on investments and foreign currency 1.84 1.40 1.19 (0.50) 2.12 (4.34) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $1.78 $1.29 $1.14 $(0.60) $2.05 $(4.45) - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $11.91 $10.13 $8.84 $7.70 $8.30 $6.25 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 17.57(n) 14.59 14.81 (7.23)(b) 32.80 (41.53) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 1.79(a) 1.79 1.79 1.60 1.76 1.74 Expenses after expense reductions (f) 1.50(a) 1.50 1.51 1.50 1.52 1.51 Net investment loss (0.99)(a) (1.13) (0.56) (1.10) (1.05) (1.22) Portfolio turnover 138 217 163 141 162 210 Net assets at end of period (000 Omitted) $58,276 $43,313 $48,945 $75,786 $101,059 $53,142 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED -------------------------------------------------------------------- CLASS B 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $9.73 $8.55 $7.50 $8.13 $6.16 $10.61 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.09) $(0.17) $(0.10) $(0.15) $(0.11) $(0.17) Net realized and unrealized gain (loss) on investments and foreign currency 1.77 1.35 1.15 (0.48) 2.08 (4.28) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $1.68 $1.18 $1.05 $(0.63) $1.97 $(4.45) - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $11.41 $9.73 $8.55 $7.50 $8.13 $6.16 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 17.27(n) 13.80 14.00 (7.75)(b) 31.98 (41.94) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 2.45(a) 2.44 2.44 2.25 2.42 2.39 Expenses after expense reductions (f) 2.15(a) 2.15 2.16 2.15 2.18 2.16 Net investment loss (1.64)(a) (1.79) (1.24) (1.74) (1.71) (1.87) Portfolio turnover 138 217 163 141 162 210 Net assets at end of period (000 Omitted) $40,424 $39,025 $43,765 $50,896 $61,353 $25,997 - ------------------------------------------------------------------------------------------------------------------------------ SIX MONTHS YEARS ENDED 8/31 ENDED -------------------------------------------------------------------- CLASS C 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $9.72 $8.54 $7.48 $8.12 $6.16 $10.61 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment loss (d) $(0.09) $(0.17) $(0.10) $(0.15) $(0.11) $(0.17) Net realized and unrealized gain (loss) on investments and foreign currency 1.76 1.35 1.16 (0.49) 2.07 (4.28) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $1.67 $1.18 $1.06 $(0.64) $1.96 $(4.45) - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $11.39 $9.72 $8.54 $7.48 $8.12 $6.16 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 17.18(n) 13.82 14.17 (7.88)(b) 31.82 (41.94) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 2.45(a) 2.44 2.44 2.25 2.42 2.39 Expenses after expense reductions (f) 2.15(a) 2.15 2.16 2.15 2.18 2.16 Net investment loss (1.64)(a) (1.78) (1.22) (1.74) (1.71) (1.87) Portfolio turnover 138 217 163 141 162 210 Net assets at end of period (000 Omitted) $14,066 $11,659 $12,414 $15,367 $20,210 $10,476 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED -------------------------------------------------------------------- CLASS I 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $10.39 $9.04 $7.85 $8.43 $6.33 $10.79 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment income (loss) (d) $(0.04) $(0.08) $0.01 $(0.06) $(0.05) $(0.08) Net realized and unrealized gain (loss) on investments and foreign currency 1.89 1.43 1.18 (0.52) 2.15 (4.38) - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $1.85 $1.35 $1.19 $(0.58) $2.10 $(4.46) - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $12.24 $10.39 $9.04 $7.85 $8.43 $6.33 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s) 17.81(n) 14.93 15.16 (6.88)(b) 33.18 (41.33) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 1.45(a) 1.43 1.44 1.26 1.41 1.39 Expenses after expense reductions (f) 1.15(a) 1.15 1.16 1.16 1.17 1.16 Net investment income (loss) (0.64)(a) (0.78) 0.17 (0.70) (0.71) (0.87) Portfolio turnover 138 217 163 141 162 210 Net assets at end of period (000 Omitted) $4,085 $3,492 $3,384 $13,404 $4,179 $3,045 - ------------------------------------------------------------------------------------------------------------------------------ SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------- CLASS R 2/28/07 2006 2005 2004 2003(i) (UNAUDITED) Net asset value, beginning of period $10.06 $8.80 $7.67 $8.28 $6.16 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.06) $(0.13) $(0.07) $(0.10) $(0.08) Net realized and unrealized gain (loss) on investments and foreign currency 1.82 1.39 1.20 (0.51) 2.20 - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.76 $1.26 $1.13 $(0.61) $2.12 - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $11.82 $10.06 $8.80 $7.67 $8.28 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 17.50(n) 14.32 14.73 (7.37)(b) 34.42(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.95(a) 1.93 1.94 1.76 1.88(a) Expenses after expense reductions (f) 1.65(a) 1.65 1.66 1.66 1.64(a) Net investment loss (1.14)(a) (1.28) (0.79) (1.21) (1.22)(a) Portfolio turnover 138 217 163 141 162 Net assets at end of period (000 Omitted) $3,858 $3,047 $2,283 $1,266 $173 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R1 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $9.72 $8.55 $8.01 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.10) $(0.18) $(0.07) Net realized and unrealized gain (loss) on investments and foreign currency 1.77 1.35 0.61(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.67 $1.17 $0.54 - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $11.39 $9.72 $8.55 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 17.18(n) 13.68 6.74(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.65(a) 2.63 2.62(a) Expenses after expense reductions (f) 2.25(a) 2.25 2.34(a) Net investment loss (1.75)(a) (1.88) (1.90)(a) Portfolio turnover 138 217 163 Net assets at end of period (000 Omitted) $339 $213 $64 - --------------------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R2 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $9.77 $8.56 $8.01 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.07) $(0.15) $(0.05) Net realized and unrealized gain (loss) on investments and foreign currency 1.76 1.36 0.60(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.69 $1.21 $0.55 - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $11.46 $9.77 $8.56 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 17.30(n) 14.14 6.87(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.33(a) 2.33 2.32(a) Expenses after expense reductions (f) 1.90(a) 1.90 2.04(a) Net investment loss (1.38)(a) (1.52) (1.60)(a) Portfolio turnover 138 217 163 Net assets at end of period (000 Omitted) $905 $367 $85 - --------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED --------------------------------------------- CLASS R3 2/28/07 2006 2005 2004(i) (UNAUDITED) Net asset value, beginning of period $10.00 $8.76 $7.66 $8.79 - ------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.07) $(0.14) $(0.09) $(0.09) Net realized and unrealized gain (loss) on investments and foreign currency 1.82 1.38 1.19 (1.04) - ------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.75 $1.24 $1.10 $(1.13) - ------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $11.75 $10.00 $8.76 $7.66 - ------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 17.50(n) 14.16 14.36 (12.86)(b)(n) - ------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.19(a) 2.18 2.19 2.01(a) Expenses after expense reductions (f) 1.80(a) 1.80 1.91 1.91(a) Net investment loss (1.28)(a) (1.41) (1.07) (1.47)(a) Portfolio turnover 138 217 163 141 Net assets at end of period (000 Omitted) $1,307 $800 $192 $132 - ------------------------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R4 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $10.12 $8.85 $8.26 - ------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.06) $(0.14) $(0.04) Net realized and unrealized gain (loss) on investments and foreign currency 1.84 1.41 0.63(g) - ------------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.78 $1.27 $0.59 - ------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $11.90 $10.12 $8.85 - ------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 17.59(n) 14.35 7.14(n) - ------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.82(a) 1.84 1.82(a) Expenses after expense reductions (f) 1.55(a) 1.55 1.54(a) Net investment loss (1.01)(a) (1.18) (1.10)(a) Portfolio turnover 138 217 163 Net assets at end of period (000 Omitted) $610 $113 $54 - ------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------- CLASS R5 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $10.17 $8.86 $8.26 - --------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - --------------------------------------------------------------------------------------------------------------------- Net investment loss (d) $(0.04) $(0.09) $(0.03) Net realized and unrealized gain (loss) on investments and foreign currency 1.85 1.40 0.63(g) - --------------------------------------------------------------------------------------------------------------------- Total from investment operations $1.81 $1.31 $0.60 - --------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $11.98 $10.17 $8.86 - --------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 17.80(n) 14.79 7.26(n) - --------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - --------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.55(a) 1.53 1.52(a) Expenses after expense reductions (f) 1.25(a) 1.25 1.24(a) Net investment loss (0.75)(a) (0.88) (0.79)(a) Portfolio turnover 138 217 163 Net assets at end of period (000 Omitted) $72 $62 $54 - --------------------------------------------------------------------------------------------------------------------- Any redemption fees charged by the fund during the 2004 and 2005 fiscal years resulted in a per share impact of less than $0.01. (a) Annualized. (b) The fund's net asset value and total return calculation include a non-recurring accrual recorded as a result of an administrative proceeding regarding disclosure of brokerage allocation practices in connection with fund sales. The non-recurring accrual did not have a material impact on the net asset value per share based on the shares outstanding on the day the proceeds were recorded. (d) Per share data are based on average shares outstanding. (f) Ratios do not reflect reductions from fees paid indirectly. (g) The per share amount is not in accordance with the net realized and unrealized gain/loss for the period because of the timing of sales of fund shares and the per share amount of realized and unrealized gains and losses at such time. (i) For the period from the class' inception, December 31, 2002 (Class R), October 31, 2003 (Class R3), April 1, 2005 (Classes R1, R2, R4, and R5) through the stated period end. (n) Not annualized. (r) Certain expenses have been reduced without which performance would have been lower. (s) From time to time the fund may receive proceeds from litigation settlements, without which performance would be lower. (t) Total returns do not include any applicable sales charges. SEE NOTES TO FINANCIAL STATEMENTS NOTES TO FINANCIAL STATEMENTS (unaudited) (1) BUSINESS AND ORGANIZATION MFS Technology Fund (the fund) is a series of MFS Series Trust I (the trust). The trust is organized as a Massachusetts business trust and is registered under the Investment Company Act of 1940, as amended, as an open-end management investment company. (2) SIGNIFICANT ACCOUNTING POLICIES GENERAL - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The fund can invest in foreign securities, including securities of emerging market issuers. Investments in foreign securities are vulnerable to the effects of changes in the relative values of the local currency and the U.S. dollar and to the effects of changes in each country's legal, political, and economic environment. The markets of emerging markets countries are generally more volatile than the markets of developed countries with more mature economies. All of the risks of investing in foreign securities previously described are heightened when investing in emerging markets countries. INVESTMENT VALUATIONS - Equity securities, including restricted equity securities, are generally valued at the last sale or official closing price as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities for which there were no sales reported that day, equity securities are generally valued at the last quoted daily bid quotation as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities held short for which there were no sales reported for the day, the position is generally valued at the last quoted daily ask quotation as reported by an independent pricing service on the market or exchange on which such securities are primarily traded. Short-term instruments with a maturity at issuance of 60 days or less may be valued at amortized cost, which approximates market value. Open-end investment companies are generally valued at their net asset value per share. Securities and other assets generally valued on the basis of information from an independent pricing service may also be valued at a broker-dealer bid quotation. The values of foreign securities and other assets and liabilities expressed in foreign currencies are converted to U.S. dollars using the mean of bid and asked prices for rates reported by an independent pricing service. The Board of Trustees has delegated primary responsibility for determining or causing to be determined the value of the fund's investments (including any fair valuation) to the adviser pursuant to valuation policies and procedures approved by the Board. If the adviser determines that reliable market quotations are not readily available, investments are valued at fair value as determined in good faith by the adviser in accordance with such procedures under the oversight of the Board of Trustees. Under the fund's valuation policies and procedures, market quotations are not considered to be readily available for many types of debt instruments and certain types of derivatives. These investments are generally valued at fair value based on information from independent pricing services. In addition, investments may be valued at fair value if the adviser determines that an investment's value has been materially affected by events occurring after the close of the exchange or market on which the investment is principally traded (such as foreign exchange or market) and prior to the determination of the fund's net asset value, or after the halting of trading of a specific security where trading does not resume prior to the close of the exchange or market on which the security is principally traded. Events that occur on a frequent basis after foreign markets close (such as developments in foreign markets and significant movements in the U.S. markets) and prior to the determination of the fund's net asset value may be deemed to have a material affect on the value of securities traded in foreign markets. Accordingly, the fund's foreign equity securities may often be valued at fair value. The adviser may rely on independent pricing services or other information (such as the correlation with price movements of similar securities in the same or other markets; the type, cost and investment characteristics of the security; the business and financial condition of the issuer; and trading and other market data) to assist in determining whether to fair value and at what value to fair value an investment. The value of an investment for purposes of calculating the fund's net asset value can differ depending on the source and method used to determine value. When fair valuation is used, the value of investments used to determine the fund's net asset value may differ from quoted or published prices for the same investments. In September 2006, FASB Statement No. 157, Fair Value Measurements (the "Statement") was issued, and is effective for fiscal years beginning after November 15, 2007 and for all interim periods within those fiscal years. This Statement provides a single definition of fair value, a hierarchy for measuring fair value and expanded disclosures about fair value measurements. Management is evaluating the application of the Statement to the fund, and believes the impact will be limited to expanded disclosures resulting from the adoption of this Statement in the fund's financial statements. REPURCHASE AGREEMENTS - The fund may enter into repurchase agreements with institutions that the fund's investment adviser has determined are creditworthy. Each repurchase agreement is recorded at cost. The fund requires that the securities collateral in a repurchase transaction be transferred to the custodian in a manner sufficient to enable the fund to obtain those securities in the event of a default under the repurchase agreement. The fund monitors, on a daily basis, the value of the collateral to ensure that its value, including accrued interest, is greater than amounts owed to the fund under each such repurchase agreement. The fund and other funds managed by Massachusetts Financial Services Company (MFS), may utilize a joint trading account for the purpose of entering into one or more repurchase agreements. FOREIGN CURRENCY TRANSLATION - Purchases and sales of foreign investments, income, and expenses are converted into U.S. dollars based upon currency exchange rates prevailing on the respective dates of such transactions. Gains and losses attributable to foreign currency exchange rates on sales of securities are recorded for financial statement purposes as net realized gains and losses on investments. Gains and losses attributable to foreign exchange rate movements on income and expenses are recorded for financial statement purposes as foreign currency transaction gains and losses. That portion of both realized and unrealized gains and losses on investments that results from fluctuations in foreign currency exchange rates is not separately disclosed. SECURITY LOANS - State Street Bank and Trust Company ("State Street"), as lending agent, may loan the securities of the fund to certain qualified institutions (the "Borrowers") approved by the fund. The loans are collateralized at all times by cash and/or U.S. Treasury securities in an amount at least equal to the market value of the securities loaned. State Street provides the fund with indemnification against Borrower default. The fund bears the risk of loss with respect to the investment of cash collateral. On loans collateralized by cash, the cash collateral is invested in a money market fund or short-term securities. A portion of the income generated upon investment of the collateral is remitted to the Borrowers, and the remainder is allocated between the fund and the lending agent. On loans collateralized by U.S. Treasury securities, a fee is received from the Borrower, and is allocated between the fund and the lending agent. The dividend and interest income earned on the securities loaned is accounted for in the same manner as other dividend and interest income. INDEMNIFICATIONS - Under the fund's organizational documents, its officers and trustees may be indemnified against certain liabilities and expenses arising out of the performance of their duties to the fund. Additionally, in the normal course of business, the fund enters into agreements with service providers that may contain indemnification clauses. The fund's maximum exposure under these agreements is unknown as this would involve future claims that may be made against the fund that have not yet occurred. INVESTMENT TRANSACTIONS AND INCOME - Investment transactions are recorded on the trade date. Interest income is recorded on the accrual basis. All premium and discount is amortized or accreted for financial statement purposes in accordance with U.S. generally accepted accounting principles. All discount is accreted for tax reporting purposes as required by federal income tax regulations. Dividends received in cash are recorded on the ex-dividend date. Certain dividends from foreign securities will be recorded when the fund is informed of the dividend if such information is obtained subsequent to the ex- dividend date. Dividend and interest payments received in additional securities are recorded on the ex-dividend or ex-interest date in an amount equal to the value of the security on such date. The fund may receive proceeds from litigation settlements. Any proceeds received from litigation involving its portfolio holdings are reflected in realized gain/loss in the Statement of Operations, or in unrealized gain/loss if the security is still held by the fund. Any other proceeds from litigation not related to portfolio holdings are reflected as other income in the Statement of Operations. FEES PAID INDIRECTLY - The fund's custody fee is reduced according to an arrangement that measures the value of cash deposited with the custodian by the fund. This amount, for the six months ended February 28, 2007, is shown as a reduction of total expenses on the Statement of Operations. TAX MATTERS AND DISTRIBUTIONS - The fund intends to qualify as a regulated investment company, as defined under Subchapter M of the Internal Revenue Code, and to distribute all of its taxable income, including realized capital gains. Accordingly, no provision for federal income tax is required in the financial statements. Foreign taxes, if any, have been accrued by the fund in the accompanying financial statements. Distributions to shareholders are recorded on the ex-dividend date. Income and capital gain distributions are determined in accordance with income tax regulations, which may differ from U.S. generally accepted accounting principles. Certain capital accounts in the financial statements are periodically adjusted for permanent differences in order to reflect their tax character. These adjustments have no impact on net assets or net asset value per share. Temporary differences which arise from recognizing certain items of income, expense, gain or loss in different periods for financial statement and tax purposes will reverse at some time in the future. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. Book/tax differences primarily relate to net operating losses and wash sale loss deferrals. The fund declared no distributions for the year ended August 31, 2006. The federal tax cost and the tax basis components of distributable earnings were as follows: AS OF 2/28/07 Cost of investments $138,053,569 ------------------------------------------------------- Gross appreciation $4,849,634 Gross depreciation (7,800,136) ------------------------------------------------------- Net unrealized appreciation (depreciation) $(2,950,502) AS OF 8/31/06 Capital loss carryforwards $(320,056,572) Other temporary differences (142,472) Net unrealized appreciation (depreciation) (2,487,176) The aggregate cost above includes prior fiscal year end tax adjustments. As of August 31, 2006, the fund had capital loss carryforwards available to offset future realized gains. Such losses expire as follows: 8/31/08 $(7,419,613) 8/31/09 (113,374,272) 8/31/10 (119,907,823) 8/31/11 (74,891,618) 8/31/12 (4,463,246) ------------------------------------------------------- $(320,056,572) The availability of a portion of the capital loss carryforwards, which were acquired on August 22, 2003 in connection with the MFS Global Telecommunications Fund merger, may be limited in a given year. In June 2006, FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes (the "Interpretation") was issued, and is effective for fiscal years beginning after December 15, 2006 and is to be applied to all open tax years as of the effective date. On December 22, 2006, the SEC delayed the implementation of the Interpretation for regulated investment companies for an additional six months. This Interpretation prescribes a minimum threshold for financial statement recognition of the benefit of a tax position taken or expected to be taken in a tax return, and requires certain expanded disclosures. Management is evaluating the application of the Interpretation to the fund, and has not at this time determined the impact, if any, resulting from the adoption of this Interpretation on the fund's financial statements. MULTIPLE CLASSES OF SHARES OF BENEFICIAL INTEREST - The fund offers multiple classes of shares, which differ in their respective distribution and service fees. All shareholders bear the common expenses of the fund based on daily net assets of each class, without distinction between share classes. Dividends are declared separately for each class. Differences in per share dividend rates are generally due to differences in separate class expenses. Class B shares will convert to Class A shares approximately eight years after purchase. (3) TRANSACTIONS WITH AFFILIATES INVESTMENT ADVISER - The fund has an investment advisory agreement with MFS to provide overall investment management and related administrative services and facilities to the fund. The management fee is computed daily and paid monthly at an annual rate of 0.75% of the fund's average daily net assets. The investment adviser has agreed in writing to reduce its management fee to 0.70% of average daily net assets in excess of $1 billion. This written agreement may be rescinded only upon consent of the fund's Board of Trustees. For the six months ended February 28, 2007, the fund's average daily net assets did not exceed $1 billion and therefore, the management fee was not reduced. The investment adviser has agreed in writing to pay a portion of the fund's operating expenses, exclusive of management, distribution and service, retirement plan administration and services, and certain other fees and expenses, such that operating expenses do not exceed 0.40% annually of the fund's average daily net assets. This written agreement will continue through December 31, 2007 unless changed or rescinded by the fund's Board of Trustees. For the six months ended February 28, 2007, this reduction amounted to $175,907 and is reflected as a reduction of total expenses in the Statement of Operations. DISTRIBUTOR - MFS Fund Distributors, Inc. (MFD), a wholly-owned subsidiary of MFS, as distributor, received $12,101 for the six months ended February 28, 2007, as its portion of the initial sales charge on sales of Class A shares of the fund. The Board of Trustees has adopted a distribution plan for certain class shares pursuant to Rule 12b-1 of the Investment Company Act of 1940. The fund's distribution plan provides that the fund will pay MFD for services provided by MFD and financial intermediaries in connection with the distribution and servicing of certain share classes. One component of the plan is a distribution fee paid to MFD and another component of the plan is a service fee paid to MFD. MFD may subsequently pay all, or a portion, of the distribution and/or service fees to financial intermediaries. Distribution Fee Plan Table: TOTAL ANNUAL DISTRIBUTION DISTRIBUTION SERVICE DISTRIBUTION EFFECTIVE AND SERVICE FEE RATE FEE RATE PLAN(d) RATE(e) FEE Class A 0.10% 0.25% 0.35% 0.35% $95,273 Class B 0.75% 0.25% 1.00% 1.00% 205,701 Class C 0.75% 0.25% 1.00% 1.00% 66,213 Class R 0.25% 0.25% 0.50% 0.50% 8,756 Class R1 0.50% 0.25% 0.75% 0.75% 1,622 Class R2 0.25% 0.25% 0.50% 0.50% 1,436 Class R3 0.25% 0.25% 0.50% 0.50% 2,548 Class R4 -- 0.25% 0.25% 0.25% 415 - --------------------------------------------------------------------------------------------------------------------- Total Distribution and Service Fees $381,964 (d) In accordance with the distribution plan for certain classes, the fund pays distribution and/or service fees up to these annual percentage rates of each class' average daily net assets. (e) The annual effective rates represent actual fees incurred under the distribution plan for the six months ended February 28, 2007 based on each class' average daily net assets. Certain Class A and Class C shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within 12 months of purchase. Class B shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within six years of purchase. All contingent deferred sales charges are paid to MFD and during the six months ended February 28, 2007, were as follows: AMOUNT Class A $1,094 Class B $30,106 Class C $1,094 SHAREHOLDER SERVICING AGENT - MFS Service Center, Inc. (MFSC), a wholly-owned subsidiary of MFS, receives a fee from the fund for its services as shareholder servicing agent calculated as a percentage of the average daily net assets of the fund as determined periodically under the supervision of the fund's Board of Trustees. For the six months ended February 28, 2007, the fee was $44,735 which equated to 0.0753% annually of the fund's average daily net assets. Effective January 1, 2007, MFSC has entered into a sub-accounting agreement with SunLife Retirement Services (U.S.), Inc. (SRS), an affiliate of MFSC, on behalf of the fund to provide omnibus account services to the fund. MFSC pays SRS both an asset based fee and a per account charge of the assets held in the omnibus account. The fund then reimburses MFSC for the sub- accounting fees paid to SRS. For the six months ended February 28, 2007, the sub-accounting fee for SRS was $11,778, which equated to 0.0198% annually of the fund's average daily net assets. MFSC also receives payment from the fund for out-of-pocket and sub-accounting expenses. For the six months ended February 28, 2007, these out-of-pocket and sub-accounting costs amounted to $81,233. The fund may also pay shareholder servicing related costs directly to non-related parties. ADMINISTRATOR - MFS provides certain financial, legal, shareholder communications, compliance, and other administrative services to the fund. Under an administrative services agreement, the fund partially reimburses MFS the costs incurred to provide these services. The fund is charged a fixed amount plus a fee based on calendar year average net assets. The fund's annual fixed amount is $17,500. The administrative services fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.0248% of the funds average daily net assets. In addition to the administrative services provided by MFS to the fund as described above, MFS is responsible for providing certain retirement plan administration and services with respect to certain shares. These services include various administrative, recordkeeping, and communication/educational services with respect to the retirement plans which invest in these shares, and may be provided directly by MFS or by a third party. MFS may subsequently pay all, or a portion, of the retirement plan administration and services fee to affiliated or unaffiliated third parties. For the six months ended February 28, 2007, the fund paid MFS an annual retirement plan administration and services fee up to the following annual percentage rates of each class' average daily net assets: ANNUAL EFFECTIVE TOTAL FEE RATE RATE(g) AMOUNT Class R1 0.45% 0.35% $973 Class R2 0.40% 0.25% 1,148 Class R3 0.25% 0.15% 1,274 Class R4 0.15% 0.15% 249 Class R5 0.10% 0.10% 35 - ------------------------------------------------------------------------------- Total Retirement Plan Administration and Services Fees $3,679 (g) MFS has agreed in writing to waive a portion of the retirement plan administration and services fee equal to 0.10% for Class R1 shares, 0.15% for Class R2 shares, and 0.10% for Class R3 shares. This agreement will continue until at least September 30, 2008. For the six months ended February 28, 2007, this waiver amounted to $1,156 and is reflected as a reduction of total expenses in the Statement of Operations. TRUSTEES' AND OFFICERS' COMPENSATION - The fund pays compensation to independent trustees in the form of a retainer, attendance fees, and additional compensation to Board and Committee chairpersons. The fund does not pay compensation directly to trustees or officers of the fund who are also officers of the investment adviser, all of whom receive remuneration for their services to the fund from MFS. Certain officers and trustees of the fund are officers or directors of MFS, MFD, and MFSC. The fund has an unfunded, defined benefit plan for certain retired independent trustees which resulted in a pension expense of $270. The fund also has an unfunded retirement benefit deferral plan for certain independent trustees which resulted in an expense of $11,321. Both amounts are included in independent trustees' compensation for the six months ended February 28, 2007. The liability for deferred retirement benefits payable to certain independent trustees under both plans amounted to $54,263 at February 28, 2007, and is included in payable for independent trustees' compensation. OTHER - This fund and certain other MFS funds (the funds) have entered into a services agreement (the Agreement) which provides for payment of fees by the funds to Tarantino LLC in return for the provision of services of an Independent Chief Compliance Officer (ICCO) for the funds. The ICCO is an officer of the funds and the sole member of Tarantino LLC. The funds can terminate the Agreement with Tarantino LLC at any time under the terms of the Agreement. For the six months ended February 28, 2007, the fee paid to Tarantino LLC was $480. MFS has agreed to reimburse the fund for a portion of the payments made by the funds to Tarantino LLC in the amount of $310, which is shown as a reduction of total expenses in the Statement of Operations. Additionally, MFS has agreed to bear all expenses associated with office space, other administrative support, and supplies provided to the ICCO. (4) PORTFOLIO SECURITIES Purchases and sales of investments, other than U.S. government securities, purchased option transactions, and short-term obligations, aggregated $160,148,043 and $158,642,160, respectively. (5) SHARES OF BENEFICIAL INTEREST The fund's Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional shares of beneficial interest. Transactions in fund shares were as follows: SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 SHARES AMOUNT SHARES AMOUNT Shares sold Class A 2,288,850 $26,675,802 936,633 $9,265,824 Class B 272,200 2,989,645 431,689 4,087,393 Class C 248,416 2,744,969 168,042 1,594,448 Class I 108,146 1,269,025 84,307 859,389 Class R 75,409 882,616 100,509 991,380 Class R1 34,389 359,424 24,284 239,333 Class R2 75,781 879,656 31,881 288,973 Class R3 170,702 2,002,402 97,787 947,694 Class R4 60,059 708,421 77,723 839,955 Class R5 -- -- 8 78 - ---------------------------------------------------------------------------------------------------------- 3,333,952 $38,511,960 1,952,863 $19,114,467 Shares reacquired Class A (1,673,551) $(19,686,910) (2,193,910) $(21,391,336) Class B (739,679) (8,116,863) (1,538,128) (14,435,786) Class C (213,685) (2,347,950) (421,535) (3,939,737) Class I (110,514) (1,283,173) (122,505) (1,226,997) Class R (52,052) (605,063) (57,043) (568,460) Class R1 (26,492) (300,752) (9,866) (98,868) Class R2 (34,395) (408,215) (4,276) (38,622) Class R3 (139,487) (1,623,479) (39,636) (372,004) Class R4 (20,008) (237,207) (72,583) (751,370) Class R5 -- -- (8) (75) - ---------------------------------------------------------------------------------------------------------- (3,009,863) $(34,609,612) (4,459,490) $(42,823,255) Net change Class A 615,299 $6,988,892 (1,257,277) $(12,125,512) Class B (467,479) (5,127,218) (1,106,439) (10,348,393) Class C 34,731 397,019 (253,493) (2,345,289) Class I (2,368) (14,148) (38,198) (367,608) Class R 23,357 277,553 43,466 422,920 Class R1 7,897 58,672 14,418 140,465 Class R2 41,386 471,441 27,605 250,351 Class R3 31,215 378,923 58,151 575,690 Class R4 40,051 471,214 5,140 88,585 Class R5 -- -- -- 3 - ---------------------------------------------------------------------------------------------------------- 324,089 $3,902,348 (2,506,627) $(23,708,788) (6) LINE OF CREDIT The fund and other funds managed by MFS participate in a $1 billion unsecured committed line of credit provided by a syndication of banks under a credit agreement. In addition, the fund and other funds managed by MFS have established uncommitted borrowing arrangements with certain banks. Borrowings may be made for temporary financing needs. Interest is charged to each fund, based on its borrowings, generally at a rate equal to the Federal Reserve funds rate plus 0.35%. In addition, a commitment fee, based on the average daily, unused portion of the committed line of credit, is allocated among the participating funds at the end of each calendar quarter. For the six months ended February 28, 2007, the fund's commitment fee and interest expense were $371 and $601, respectively, and are included in miscellaneous expense on the Statement of Operations. BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT A discussion regarding the Board's most recent review and renewal of the Fund's investment advisory agreement is available by clicking on the fund's name under "Select a fund" on the MFS Web site (mfs.com). PROXY VOTING POLICIES AND INFORMATION A general description of the MFS funds' proxy voting policies and procedures is available without charge, upon request, by calling 1-800-225-2606, by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. Information regarding how the fund voted proxies relating to portfolio securities during the most recent twelve-month period ended June 30 is available without charge by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. QUARTERLY PORTFOLIO DISCLOSURE The fund will file a complete schedule of portfolio holdings with the Securities and Exchange Commission (the Commission) for the first and third quarters of each fiscal year on Form N-Q. The fund's Form N-Q may be reviewed and copied at the: Public Reference Room Securities and Exchange Commission 100 F Street, NE, Room 1580 Washington, D.C. 20549 Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-202-551-5850. The fund's Form N-Q is available on the EDGAR database on the Commission's Internet Web site at http://www.sec.gov, and copies of this information may be obtained, upon payment of a duplicating fee, by electronic request at the following e-mail address: publicinfo@sec.gov or by writing the Public Reference Section at the above address. A shareholder can also obtain the quarterly portfolio holdings report at mfs.com. CONTACT US WEB SITE MAILING ADDRESS mfs.com MFS Service Center, Inc. P.O. Box 55824 MFS TALK Boston, MA 1-800-637-8255 02205-5824 24 hours a day OVERNIGHT MAIL ACCOUNT SERVICE AND MFS Service Center, Inc. LITERATURE 500 Boylston Street Boston, MA 02116-3741 SHAREHOLDERS 1-800-225-2606 8 a.m. to 8 p.m. ET INVESTMENT PROFESSIONALS 1-800-343-2829 8 a.m. to 8 p.m. ET RETIREMENT PLAN SERVICES 1-800-637-1255 8 a.m. to 8 p.m. ET - ------------------------------------------------------------------------------- Go paperless with eDELIVERY: Arrange to have MFS send prospectuses, reports, and proxies directly to your e-mail inbox. You'll get timely information and less clutter in your mailbox (not to mention help your fund save printing and postage costs). SIGN UP: If your account is registered with us, simply go to mfs.com, log in to your account via MFS Access, and select the eDelivery sign up options. If you own your MFS fund shares through a financial institution or a retirement plan, MFS TALK, MFS Access, and eDelivery may not be available to you. - ------------------------------------------------------------------------------- M F S(R) INVESTMENT MANAGEMENT M F S(R) INVESTMENT MANAGEMENT [graphic omitted] SEMIANNUAL REPORT MFS(R) VALUE FUND LETTER FROM THE CEO 1 - -------------------------------------------------------------- PORTFOLIO COMPOSITION 2 - -------------------------------------------------------------- EXPENSE TABLE 3 - -------------------------------------------------------------- PORTFOLIO OF INVESTMENTS 5 - -------------------------------------------------------------- STATEMENT OF ASSETS AND LIABILITIES 10 - -------------------------------------------------------------- STATEMENT OF OPERATIONS 13 - -------------------------------------------------------------- STATEMENTS OF CHANGES IN NET ASSETS 14 - -------------------------------------------------------------- FINANCIAL HIGHLIGHTS 16 - -------------------------------------------------------------- NOTES TO FINANCIAL STATEMENTS 31 - -------------------------------------------------------------- BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT 43 - -------------------------------------------------------------- PROXY VOTING POLICIES AND INFORMATION 43 - -------------------------------------------------------------- QUARTERLY PORTFOLIO DISCLOSURE 43 - -------------------------------------------------------------- CONTACT INFORMATION BACK COVER - -------------------------------------------------------------- THE REPORT IS PREPARED FOR THE GENERAL INFORMATION OF SHAREHOLDERS. IT IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY WHEN PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS. - ------------------------------------------------------------------------------ NOT FDIC INSURED o MAY LOSE VALUE o NO BANK OR CREDIT UNION GUARANTEE o NOT A DEPOSIT o NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY OR NCUA/NCUSIF - ------------------------------------------------------------------------------ 2/28/07 EIF-SEM LETTER FROM THE CEO [Photo of Robert J. Manning] Dear Shareholders: The past year has been a great example of why investors should keep their eyes on the long term. In 2006 the Dow Jones Industrial Average returned 19%. In February 2007 it hit its all-time high of 12,787. Less than a week later, stocks sold off around the globe. By March 5 the Dow was off 5.8%. That is a sign of volatile markets and a reason investors should make sure they have an investment plan that can ride out the peaks and troughs. If you are focused on a long-term investment strategy, the short-term ups and downs of the markets should not necessarily dictate portfolio action on your part. Both the bond and stock markets are inherently cyclical. In our view, investors who remain committed to a long-term plan are more likely to achieve their financial goals. We believe you should not let the headlines guide you in your investment decisions and that there is no sense in reacting to short- term volatility. In any market environment, we believe individual investors are best served by following a three-pronged investment strategy of allocating their holdings across the major asset classes, diversifying within each class, and regularly rebalancing their portfolios to maintain their desired allocations. Of course, these strategies cannot guarantee a profit or protect against a loss. Investing and planning for the long term require diligence and patience, two traits that in our experience are essential to capitalizing on the many opportunities the financial markets can offer -- through both up and down economic cycles. Respectfully, /s/ Robert J. Manning Robert J. Manning Chief Executive Officer and Chief Investment Officer MFS Investment Management(R) April 16, 2007 The opinions expressed in this letter are subject to change, may not be relied upon for investment advice, and no forecasts can be guaranteed. PORTFOLIO COMPOSITION PORTFOLIO STRUCTURE Common Stocks 98.8% Cash & Other Net Assets 1.2% TOP TEN HOLDINGS Altria Group, Inc. 3.9% ------------------------------------------------ Lockheed Martin Corp. 3.9% ------------------------------------------------ Bank of America Corp. 3.9% ------------------------------------------------ Allstate Corp. 3.2% ------------------------------------------------ Citigroup, Inc. 3.2% ------------------------------------------------ MetLife, Inc. 3.1% ------------------------------------------------ Johnson & Johnson 2.7% ------------------------------------------------ Goldman Sachs Group, Inc. 2.6% ------------------------------------------------ Exxon Mobil Corp. 2.4% ------------------------------------------------ TOTAL S.A., ADR 2.2% ------------------------------------------------ EQUITY SECTORS Financial Services 31.7% ------------------------------------------------ Industrial Goods & Services 11.4% ------------------------------------------------ Energy 11.3% ------------------------------------------------ Health Care 8.4% ------------------------------------------------ Consumer Staples 8.0% ------------------------------------------------ Utilities & Communications 7.9% ------------------------------------------------ Basic Materials 5.3% ------------------------------------------------ Retailing 3.4% ------------------------------------------------ Technology 3.3% ------------------------------------------------ Autos & Housing 3.0% ------------------------------------------------ Leisure 2.3% ------------------------------------------------ Transportation 1.8% ------------------------------------------------ Special Products & Services 1.0% ------------------------------------------------ Percentages are based on net assets as of 2/28/07. The portfolio is actively managed and current holdings may be different. EXPENSE TABLE Fund expenses borne by the shareholders during the period, September 1, 2006 through February 28, 2007 As a shareholder of the fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on certain purchase or redemption payments and redemption fees on certain exchanges and redemptions, and (2) ongoing costs, including management fees; distribution and service (12b-1) fees; and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the period and held for the entire period September 1, 2006 through February 28, 2007. ACTUAL EXPENSES The first line for each share class in the following table provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each share class in the following table provides information about hypothetical account values and hypothetical expenses based on the fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as sales charges (loads) or redemption fees. Therefore, the second line for each share class in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. - -------------------------------------------------------------------------------- Expenses Paid During Annualized Beginning Ending Period(p) Share Expense Account Value Account Value 9/01/06- Class Ratio 9/01/06 2/28/07 2/28/07 - -------------------------------------------------------------------------------- Actual 1.11% $1,000.00 $1,109.40 $5.81 A ------------------------------------------------------------------------ Hypothetical (h) 1.11% $1,000.00 $1,019.29 $5.56 - -------------------------------------------------------------------------------- Actual 1.76% $1,000.00 $1,106.10 $9.19 B ------------------------------------------------------------------------- Hypothetical (h) 1.76% $1,000.00 $1,016.07 $8.80 - -------------------------------------------------------------------------------- Actual 1.76% $1,000.00 $1,105.90 $9.19 C ------------------------------------------------------------------------ Hypothetical (h) 1.76% $1,000.00 $1,016.07 $8.80 - -------------------------------------------------------------------------------- Actual 0.76% $1,000.00 $1,111.20 $3.98 I ------------------------------------------------------------------------ Hypothetical (h) 0.76% $1,000.00 $1,021.03 $3.81 - -------------------------------------------------------------------------------- Actual 0.86% $1,000.00 $1,110.90 $4.50 W ------------------------------------------------------------------------ Hypothetical (h) 0.86% $1,000.00 $1,020.53 $4.31 - -------------------------------------------------------------------------------- Actual 1.26% $1,000.00 $1,108.80 $6.59 R ------------------------------------------------------------------------ Hypothetical (h) 1.26% $1,000.00 $1,018.55 $6.31 - -------------------------------------------------------------------------------- Actual 1.85% $1,000.00 $1,105.40 $9.66 R1 ------------------------------------------------------------------------ Hypothetical (h) 1.85% $1,000.00 $1,015.62 $9.25 - -------------------------------------------------------------------------------- Actual 1.50% $1,000.00 $1,107.20 $7.84 R2 ------------------------------------------------------------------------ Hypothetical (h) 1.50% $1,000.00 $1,017.36 $7.50 - -------------------------------------------------------------------------------- Actual 1.40% $1,000.00 $1,108.20 $7.32 R3 ------------------------------------------------------------------------ Hypothetical (h) 1.40% $1,000.00 $1,017.85 $7.00 - -------------------------------------------------------------------------------- Actual 1.15% $1,000.00 $1,109.40 $6.01 R4 ------------------------------------------------------------------------ Hypothetical (h) 1.15% $1,000.00 $1,019.09 $5.76 - -------------------------------------------------------------------------------- Actual 0.86% $1,000.00 $1,111.10 $4.50 R5 ------------------------------------------------------------------------ Hypothetical (h) 0.86% $1,000.00 $1,020.53 $4.31 - -------------------------------------------------------------------------------- Actual 1.36% $1,000.00 $1,107.80 $7.11 529A ------------------------------------------------------------------------ Hypothetical (h) 1.36% $1,000.00 $1,018.05 $6.80 - -------------------------------------------------------------------------------- Actual 2.01% $1,000.00 $1,104.50 $10.49 529B ------------------------------------------------------------------------ Hypothetical (h) 2.01% $1,000.00 $1,014.83 $10.04 - -------------------------------------------------------------------------------- Actual 2.01% $1,000.00 $1,104.50 $10.49 529C ------------------------------------------------------------------------ Hypothetical (h) 2.01% $1,000.00 $1,014.83 $10.04 - -------------------------------------------------------------------------------- (h) 5% class return per year before expenses. (p) Expenses paid is equal to each class' annualized expense ratio, as shown above, multiplied by the average account value over the period, multiplied by the number of days in the period, divided by the number of days in the year. Expenses paid do not include any applicable sales charges (loads) or redemption fees. If these transaction costs had been included, your costs would have been higher. PORTFOLIO OF INVESTMENTS 2/28/07 (unaudited) The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes. Common Stocks - 98.8% - ---------------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - ---------------------------------------------------------------------------------------------------- Aerospace - 7.5% - ---------------------------------------------------------------------------------------------------- Lockheed Martin Corp. 3,846,290 $ 374,167,091 Northrop Grumman Corp. (l) 2,839,380 204,009,453 United Technologies Corp. 2,231,870 146,477,628 -------------- $ 724,654,172 - ---------------------------------------------------------------------------------------------------- Alcoholic Beverages - 1.1% - ---------------------------------------------------------------------------------------------------- Diageo PLC 5,172,989 $ 102,028,637 - ---------------------------------------------------------------------------------------------------- Apparel Manufacturers - 1.5% - ---------------------------------------------------------------------------------------------------- Hanesbrands, Inc. (a)(l) 287,481 $ 8,224,831 NIKE, Inc., "B" 1,281,410 133,868,903 -------------- $ 142,093,734 - ---------------------------------------------------------------------------------------------------- Automotive - 0.5% - ---------------------------------------------------------------------------------------------------- Johnson Controls, Inc. (l) 509,460 $ 47,787,348 - ---------------------------------------------------------------------------------------------------- Broadcasting - 1.7% - ---------------------------------------------------------------------------------------------------- Viacom, Inc., "B" (a) 1,867,911 $ 72,923,245 Walt Disney Co. 1,372,730 47,029,730 WPP Group PLC 3,039,460 44,103,338 -------------- $ 164,056,313 - ---------------------------------------------------------------------------------------------------- Brokerage & Asset Managers - 5.5% - ---------------------------------------------------------------------------------------------------- Franklin Resources, Inc. 535,790 $ 62,896,388 Goldman Sachs Group, Inc. 1,228,620 247,689,792 Lehman Brothers Holdings, Inc. 927,810 68,008,473 Mellon Financial Corp. 2,035,700 88,410,451 Merrill Lynch & Co., Inc. 706,830 59,147,534 -------------- $ 526,152,638 - ---------------------------------------------------------------------------------------------------- Business Services - 1.0% - ---------------------------------------------------------------------------------------------------- Accenture Ltd., "A" 2,766,660 $ 98,769,762 - ---------------------------------------------------------------------------------------------------- Chemicals - 3.3% - ---------------------------------------------------------------------------------------------------- Dow Chemical Co. 1,492,920 $ 65,389,896 Nalco Holding Co. 904,100 21,607,990 PPG Industries, Inc. 1,904,460 126,170,475 Syngenta AG 599,330 105,936,332 -------------- $ 319,104,693 - ---------------------------------------------------------------------------------------------------- Computer Software - 1.4% - ---------------------------------------------------------------------------------------------------- Oracle Corp. (a) 7,903,150 $ 129,848,754 - ---------------------------------------------------------------------------------------------------- Computer Software - Systems - 0.6% - ---------------------------------------------------------------------------------------------------- Hewlett-Packard Co. 1,355,260 $ 53,370,139 - ---------------------------------------------------------------------------------------------------- Construction - 2.5% - ---------------------------------------------------------------------------------------------------- Masco Corp. 5,668,960 $ 169,218,456 Sherwin-Williams Co. 742,980 49,445,319 Toll Brothers, Inc. (a)(l) 760,010 22,693,899 -------------- $ 241,357,674 - ---------------------------------------------------------------------------------------------------- Containers - 0.2% - ---------------------------------------------------------------------------------------------------- Smurfit-Stone Container Corp. (a) 1,547,940 $ 19,101,580 - ---------------------------------------------------------------------------------------------------- Electrical Equipment - 1.8% - ---------------------------------------------------------------------------------------------------- Cooper Industries Ltd., "A" 148,760 $ 13,647,242 General Electric Co. 553,700 19,335,204 Rockwell Automation, Inc. (l) 1,091,750 67,786,757 W.W. Grainger, Inc. 947,930 73,132,800 -------------- $ 173,902,003 - ---------------------------------------------------------------------------------------------------- Electronics - 0.9% - ---------------------------------------------------------------------------------------------------- Intel Corp. 4,551,510 $ 90,347,474 - ---------------------------------------------------------------------------------------------------- Energy - Independent - 2.4% - ---------------------------------------------------------------------------------------------------- Apache Corp. 1,000,780 $ 68,583,453 Devon Energy Corp. (l) 1,486,540 97,680,543 EOG Resources, Inc. 884,130 59,890,966 -------------- $ 226,154,962 - ---------------------------------------------------------------------------------------------------- Energy - Integrated - 8.6% - ---------------------------------------------------------------------------------------------------- Chevron Corp. 977,024 $ 67,033,617 ConocoPhillips 2,537,380 165,995,400 Exxon Mobil Corp. 3,176,060 227,659,981 Hess Corp. 2,156,140 114,383,227 Royal Dutch Shell PLC, ADR 670,010 43,557,350 TOTAL S.A., ADR 3,121,000 210,105,720 -------------- $ 828,735,295 - ---------------------------------------------------------------------------------------------------- Food & Beverages - 3.0% - ---------------------------------------------------------------------------------------------------- Kellogg Co. 2,105,430 $ 105,103,066 Nestle S.A 244,589 91,164,900 PepsiCo, Inc. 1,143,316 72,200,405 Tyson Foods, Inc., "A" (l) 1,048,580 19,136,585 -------------- $ 287,604,956 - ---------------------------------------------------------------------------------------------------- Food & Drug Stores - 0.5% - ---------------------------------------------------------------------------------------------------- CVS Corp. 1,575,990 $ 49,501,846 - ---------------------------------------------------------------------------------------------------- Forest & Paper Products - 0.4% - ---------------------------------------------------------------------------------------------------- Bowater, Inc. (l) 353,090 $ 8,537,716 International Paper Co. 942,140 33,926,461 -------------- $ 42,464,177 - ---------------------------------------------------------------------------------------------------- General Merchandise - 1.4% - ---------------------------------------------------------------------------------------------------- Federated Department Stores, Inc. 3,087,590 $ 137,891,769 - ---------------------------------------------------------------------------------------------------- Health Maintenance Organizations - 1.4% - ---------------------------------------------------------------------------------------------------- UnitedHealth Group, Inc. 691,520 $ 36,097,344 WellPoint, Inc. (a) 1,288,790 102,317,038 -------------- $ 138,414,382 - ---------------------------------------------------------------------------------------------------- Insurance - 9.4% - ---------------------------------------------------------------------------------------------------- Aflac, Inc. 844,980 $ 39,883,056 Allstate Corp. 5,156,910 309,724,015 Chubb Corp. 1,112,170 56,776,279 Genworth Financial, Inc., "A" 2,906,940 102,818,468 Hartford Financial Services Group, Inc. 1,009,915 95,497,562 MetLife, Inc. 4,689,450 296,138,767 -------------- $ 900,838,147 - ---------------------------------------------------------------------------------------------------- Leisure & Toys - 0.3% - ---------------------------------------------------------------------------------------------------- Hasbro, Inc. (l) 1,067,880 $ 30,210,325 - ---------------------------------------------------------------------------------------------------- Machinery & Tools - 2.1% - ---------------------------------------------------------------------------------------------------- Deere & Co. 1,694,116 $ 183,676,057 Eaton Corp. 248,950 20,167,440 -------------- $ 203,843,497 - ---------------------------------------------------------------------------------------------------- Major Banks - 8.8% - ---------------------------------------------------------------------------------------------------- Bank of America Corp. 7,342,055 $ 373,490,338 Bank of New York Co., Inc. 3,533,020 143,511,272 PNC Financial Services Group, Inc. 1,723,540 126,352,717 SunTrust Banks, Inc. 2,405,210 202,783,255 -------------- $ 846,137,582 - ---------------------------------------------------------------------------------------------------- Medical & Health Technology & Services - 0.3% - ---------------------------------------------------------------------------------------------------- Caremark Rx, Inc. 518,500 $ 31,934,415 - ---------------------------------------------------------------------------------------------------- Network & Telecom - 0.4% - ---------------------------------------------------------------------------------------------------- Cisco Systems, Inc. (a) 1,393,740 $ 36,153,616 - ---------------------------------------------------------------------------------------------------- Oil Services - 0.3% - ---------------------------------------------------------------------------------------------------- Noble Corp. 457,080 $ 32,096,158 - ---------------------------------------------------------------------------------------------------- Other Banks & Diversified Financials - 8.0% - ---------------------------------------------------------------------------------------------------- American Express Co. 1,543,510 $ 87,779,414 Citigroup, Inc. 6,068,950 305,875,080 Fannie Mae 2,973,020 168,659,425 Freddie Mac 823,850 52,874,693 UBS AG (l) 2,597,046 154,046,692 -------------- $ 769,235,304 - ---------------------------------------------------------------------------------------------------- Pharmaceuticals - 6.7% - ---------------------------------------------------------------------------------------------------- Abbott Laboratories 726,730 $ 39,693,993 Eli Lilly & Co. 1,579,380 83,138,563 Johnson & Johnson 4,106,950 258,943,198 Merck & Co., Inc. 2,351,760 103,853,722 Wyeth 3,241,790 158,588,367 -------------- $ 644,217,843 - ---------------------------------------------------------------------------------------------------- Printing & Publishing - 0.3% - ---------------------------------------------------------------------------------------------------- New York Times Co., "A" (l) 975,400 $ 24,121,642 - ---------------------------------------------------------------------------------------------------- Railroad & Shipping - 1.8% - ---------------------------------------------------------------------------------------------------- Burlington Northern Santa Fe Corp. 1,372,060 $ 108,653,431 Norfolk Southern Corp. 1,401,440 66,428,256 -------------- $ 175,081,687 - ---------------------------------------------------------------------------------------------------- Specialty Chemicals - 1.4% - ---------------------------------------------------------------------------------------------------- Air Products & Chemicals, Inc. 933,668 $ 69,857,040 Praxair, Inc. 1,122,060 69,219,881 -------------- $ 139,076,921 - ---------------------------------------------------------------------------------------------------- Telecommunications - Wireless - 0.9% - ---------------------------------------------------------------------------------------------------- Vodafone Group PLC 31,391,483 $ 87,216,541 - ---------------------------------------------------------------------------------------------------- Telephone Services - 2.3% - ---------------------------------------------------------------------------------------------------- Embarq Corp. 906,559 $ 50,178,041 Sprint Nextel Corp. 5,796,590 111,758,255 TELUS Corp. (non-voting shares) 328,180 15,509,118 Verizon Communications, Inc. 1,158,080 43,346,934 -------------- $ 220,792,348 - ---------------------------------------------------------------------------------------------------- Tobacco - 3.9% - ---------------------------------------------------------------------------------------------------- Altria Group, Inc. 4,442,180 $ 374,386,930 - ---------------------------------------------------------------------------------------------------- Utilities - Electric Power - 4.7% - ---------------------------------------------------------------------------------------------------- Dominion Resources, Inc. 1,866,280 $ 159,622,928 Entergy Corp. 679,010 67,018,287 FPL Group, Inc. (l) 1,669,730 98,630,951 PPL Corp. 660,100 25,097,002 Public Service Enterprise Group, Inc. 301,630 22,592,087 TXU Corp. (l) 1,199,670 $ 79,358,170 -------------- $ 452,319,425 - ---------------------------------------------------------------------------------------------------- TOTAL COMMON STOCKS (IDENTIFIED COST, $7,071,841,893) $9,511,004,689 - ---------------------------------------------------------------------------------------------------- Collateral for Securities Loaned - 1.7% - ---------------------------------------------------------------------------------------------------- Navigator Securities Lending Prime Portfolio, at Cost and Net Asset Value 162,321,804 $ 162,321,804 - ---------------------------------------------------------------------------------------------------- Short-Term Obligations - 1.3% (y) - ---------------------------------------------------------------------------------------------------- General Electric Capital Corp., 5.32%, due 3/01/07 $101,894,000 $ 101,894,000 Old Line Funding LLC, 5.26%, due 3/19/07 (t) 17,463,000 17,417,072 Regency Markets No. 1 LLC, 5.27%, due 3/02/07 (t) 9,100,000 9,098,668 - ---------------------------------------------------------------------------------------------------- TOTAL SHORT-TERM OBLIGATIONS, AT AMORTIZED COST $ 128,409,740 - ---------------------------------------------------------------------------------------------------- TOTAL INVESTMENTS (IDENTIFIED COST, $7,362,573,437) $9,801,736,233 - ---------------------------------------------------------------------------------------------------- Other Assets, Less Liabilities - (1.8)% (172,021,626) - ---------------------------------------------------------------------------------------------------- NET ASSETS - 100.0% $9,629,714,607 - ---------------------------------------------------------------------------------------------------- (a) Non-income producing security. (l) All or a portion of this security is on loan. (t) Security exempt from registration with the U.S. Securities and Exchange Commission under Section 4(2) of the Securities Act of 1933. (y) The rate shown represents an annualized yield at time of purchase. The following abbreviations are used in this report and are defined: ADR American Depository Receipt SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF ASSETS AND LIABILITIES At 2/28/07 (unaudited) This statement represents your fund's balance sheet, which details the assets and liabilities comprising the total value of the fund. ASSETS - ------------------------------------------------------------------------------------------------------- Investments, at value, including $158,629,747 of securities on loan (identified cost, $7,362,573,437) $9,801,736,233 Cash 304 Receivable for investments sold 22,873,752 Receivable for fund shares sold 26,195,366 Interest and dividends receivable 21,400,651 Receivable from investment adviser 52,568 Other assets 153,127 - ------------------------------------------------------------------------------------------------------- Total assets $9,872,412,001 - ------------------------------------------------------------------------------------------------------- LIABILITIES - ------------------------------------------------------------------------------------------------------- Payable for investments purchased $55,939,646 Payable for fund shares reacquired 22,689,790 Collateral for securities loaned, at value 162,321,804 Payable to affiliates Management fee 314,818 Shareholder servicing costs 841,427 Distribution and service fees 236,983 Administrative services fee 3,356 Program manager fees 104 Retirement plan administration and services fees 2,159 Payable for independent trustees' compensation 14,966 Accrued expenses and other liabilities 332,341 - ------------------------------------------------------------------------------------------------------- Total liabilities $242,697,394 - ------------------------------------------------------------------------------------------------------- Net assets $9,629,714,607 - ------------------------------------------------------------------------------------------------------- NET ASSETS CONSIST OF - ------------------------------------------------------------------------------------------------------- Paid-in capital $7,047,537,750 Unrealized appreciation (depreciation) on investments and translation of assets and liabilities in foreign currencies 2,439,164,830 Accumulated net realized gain (loss) on investments and foreign currency transactions 129,094,013 Undistributed net investment income 13,918,014 - ------------------------------------------------------------------------------------------------------- Net assets $9,629,714,607 - ------------------------------------------------------------------------------------------------------- Shares of beneficial interest outstanding 357,775,635 - ------------------------------------------------------------------------------------------------------- Statement of Assets and Liabilities (unaudited) - continued Class A shares - ------------------------------------------------------------------------------------------------------- Net assets $5,730,293,552 Shares outstanding 212,677,552 - ------------------------------------------------------------------------------------------------------- Net asset value per share $26.94 - ------------------------------------------------------------------------------------------------------- Offering price per share (100/94.25Xnet asset value per share) $28.58 - ------------------------------------------------------------------------------------------------------- Class B shares - ------------------------------------------------------------------------------------------------------- Net assets $1,148,702,813 Shares outstanding 42,917,671 - ------------------------------------------------------------------------------------------------------- Net asset value and offering price per share $26.77 - ------------------------------------------------------------------------------------------------------- Class C shares - ------------------------------------------------------------------------------------------------------- Net assets $994,650,398 Shares outstanding 37,210,012 - ------------------------------------------------------------------------------------------------------- Net asset value and offering price per share $26.73 - ------------------------------------------------------------------------------------------------------- Class I shares - ------------------------------------------------------------------------------------------------------- Net assets $1,350,786,262 Shares outstanding 49,899,549 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $27.07 - ------------------------------------------------------------------------------------------------------- Class W shares - ------------------------------------------------------------------------------------------------------- Net assets $22,804,936 Shares outstanding 846,475 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $26.94 - ------------------------------------------------------------------------------------------------------- Class R shares - ------------------------------------------------------------------------------------------------------- Net assets $93,912,269 Shares outstanding 3,492,997 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $26.89 - ------------------------------------------------------------------------------------------------------- Class R1 shares - ------------------------------------------------------------------------------------------------------- Net assets $8,458,071 Shares outstanding 317,613 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $26.63 - ------------------------------------------------------------------------------------------------------- Class R2 shares - ------------------------------------------------------------------------------------------------------- Net assets $8,083,203 Shares outstanding 302,285 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $26.74 - ------------------------------------------------------------------------------------------------------- Class R3 shares - ------------------------------------------------------------------------------------------------------- Net assets $61,292,853 Shares outstanding 2,287,400 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $26.80 - ------------------------------------------------------------------------------------------------------- Statement of Assets and Liabilities (unaudited) - continued Class R4 shares - ------------------------------------------------------------------------------------------------------- Net assets $86,787,071 Shares outstanding 3,225,157 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $26.91 - ------------------------------------------------------------------------------------------------------- Class R5 shares - ------------------------------------------------------------------------------------------------------- Net assets $116,469,233 Shares outstanding 4,319,216 - ------------------------------------------------------------------------------------------------------- Net asset value, offering price, and redemption price per share $26.97 - ------------------------------------------------------------------------------------------------------- Class 529A shares - ------------------------------------------------------------------------------------------------------- Net assets $4,682,091 Shares outstanding 174,608 - ------------------------------------------------------------------------------------------------------- Net asset value per share $26.81 - ------------------------------------------------------------------------------------------------------- Offering price per share (100/94.25Xnet asset value per share) $28.45 - ------------------------------------------------------------------------------------------------------- Class 529B shares - ------------------------------------------------------------------------------------------------------- Net assets $1,185,231 Shares outstanding 44,607 - ------------------------------------------------------------------------------------------------------- Net asset value and offering price per share $26.57 - ------------------------------------------------------------------------------------------------------- Class 529C shares - ------------------------------------------------------------------------------------------------------- Net assets $1,606,624 Shares outstanding 60,493 - ------------------------------------------------------------------------------------------------------- Net asset value and offering price per share $26.56 - ------------------------------------------------------------------------------------------------------- On sales of $50,000 or more, the offering price of Class A and Class 529A shares are reduced. A contingent deferred sales charge may be imposed on redemptions of Class A, Class B, Class C, Class 529B, and Class 529C shares. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF OPERATIONS Six months ended 2/28/07 (unaudited) This statement describes how much your fund earned in investment income and accrued in expenses. It also describes any gains and/or losses generated by fund operations. NET INVESTMENT INCOME - ------------------------------------------------------------------------------------------------------ Income Dividends $95,135,475 Interest 3,319,782 Foreign taxes withheld (652,851) - ------------------------------------------------------------------------------------------------------ Total investment income $97,802,406 - ------------------------------------------------------------------------------------------------------ Expenses Management fee $27,332,599 Distribution and service fees 20,556,919 Program manager fees 8,597 Shareholder servicing costs 6,167,994 Administrative services fee 303,734 Retirement plan administration and services fees 164,256 Independent trustees' compensation 60,191 Custodian fee 437,553 Shareholder communications 276,523 Auditing fees 22,589 Legal fees 118,254 Miscellaneous 285,667 - ------------------------------------------------------------------------------------------------------ Total expenses $55,734,876 - ------------------------------------------------------------------------------------------------------ Fees paid indirectly (327,290) Reduction of expenses by investment adviser (472,502) - ------------------------------------------------------------------------------------------------------ Net expenses $54,935,084 - ------------------------------------------------------------------------------------------------------ Net investment income $42,867,322 - ------------------------------------------------------------------------------------------------------ REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS - ------------------------------------------------------------------------------------------------------ Realized gain (loss) (identified cost basis) Investment transactions $210,136,854 Foreign currency transactions (1,775) - ------------------------------------------------------------------------------------------------------ Net realized gain (loss) on investments and foreign currency transactions $210,135,079 - ------------------------------------------------------------------------------------------------------ Change in unrealized appreciation (depreciation) Investments $669,658,560 Translation of assets and liabilities in foreign currencies (4,156) - ------------------------------------------------------------------------------------------------------ Net unrealized gain (loss) on investments and foreign currency translation $669,654,404 - ------------------------------------------------------------------------------------------------------ Net realized and unrealized gain (loss) on investments and foreign currency $879,789,483 - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $922,656,805 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENTS OF CHANGES IN NET ASSETS These statements describe the increases and/or decreases in net assets resulting from operations, any distributions, and any shareholder transactions. SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 (UNAUDITED) CHANGE IN NET ASSETS FROM OPERATIONS - ------------------------------------------------------------------------------------------------------- Net investment income $42,867,322 $101,398,166 Net realized gain (loss) on investments and foreign currency transactions 210,135,079 303,639,543 Net unrealized gain (loss) on investments and foreign currency translation 669,654,404 521,315,817 - ------------------------------------------------------------------------------------------------------- Change in net assets from operations $922,656,805 $926,353,526 - ------------------------------------------------------------------------------------------------------- DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------- From net investment income Class A $(39,929,473) $(56,268,368) Class B (5,078,228) (6,779,390) Class C (4,128,352) (4,984,908) Class I (11,446,415) (15,180,640) Class W (107,096) (388) Class R (741,144) (1,084,796) Class R1 (25,011) (14,051) Class R2 (32,290) (12,119) Class R3 (244,352) (160,191) Class R4 (391,948) (168,024) Class R5 (568,852) (571,771) Class 529A (27,030) (32,149) Class 529B (3,414) (2,874) Class 529C (4,664) (4,307) From net realized gain on investments and foreign currency transactions Class A $(161,744,414) $(217,446,760) Class B (34,846,208) (58,304,573) Class C (28,334,762) (41,125,028) Class I (37,523,913) (44,433,140) Class W (415,807) -- Class R (3,323,744) (5,057,671) Class R1 (202,116) (65,732) Class R2 (177,924) (32,165) Class R3 (1,332,483) (644,654) Class R4 (1,724,464) (108,618) Class R5 (1,986,525) (2,214,112) Class 529A (129,843) (147,960) Class 529B (31,527) (34,246) Class 529C (45,316) (54,564) - ------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(334,547,315) $(454,933,199) - ------------------------------------------------------------------------------------------------------- Change in net assets from fund share transactions $665,923,066 $224,602,050 - ------------------------------------------------------------------------------------------------------- Total change in net assets $1,254,032,556 $696,022,377 - ------------------------------------------------------------------------------------------------------- NET ASSETS - ------------------------------------------------------------------------------------------------------- At beginning of period 8,375,682,051 7,679,659,674 At end of period (including undistributed net investment income of $13,918,014 and $33,778,961, respectively) $9,629,714,607 $8,375,682,051 - ------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Statements FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the fund's financial performance for the semiannual period and the past 5 fiscal years (or life of a particular share class, if shorter). Certain information reflects financial results for a single fund share. The total returns in the table represent the rate by which an investor would have earned (or lost) on an investment in the fund share class (assuming reinvestment of all distributions) held for the entire period. SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------------- CLASS A 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $25.20 $23.81 $20.88 $18.03 $17.21 $19.28 - ------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.14 $0.34 $0.28 $0.23 $0.24 $0.20 Net realized and unrealized gain (loss) on investments and foreign currency 2.60 2.48 2.91 2.84 0.81 (2.05) - ------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.74 $2.82 $3.19 $3.07 $1.05 $(1.85) - ------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.20) $(0.29) $(0.26) $(0.22) $(0.23) $(0.15) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- -- (0.07) - ------------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(1.00) $(1.43) $(0.26) $(0.22) $(0.23) $(0.22) - ------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.94 $25.20 $23.81 $20.88 $18.03 $17.21 - ------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.94(n) 12.36 15.36 17.13(b) 6.22 (9.64) - ------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.12(a) 1.17 1.16 1.18 1.20 1.25 Expenses after expense reductions (f) 1.11(a) 1.16 1.16 1.18 N/A N/A Net investment income 1.05(a) 1.40 1.23 1.14 1.41 1.05 Portfolio turnover 13 26 24 42 55 48 Net assets at end of period (000 Omitted) $5,730,294 $4,929,525 $4,554,484 $3,527,854 $3,039,085 $1,820,568 - ------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------------------- CLASS B 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $25.04 $23.66 $20.77 $17.94 $17.13 $19.19 - ------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.05 $0.17 $0.13 $0.10 $0.12 $0.07 Net realized and unrealized gain (loss) on investments and foreign currency 2.59 2.49 2.90 2.83 0.81 (2.02) - ------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.64 $2.66 $3.03 $2.93 $0.93 $(1.95) - ------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.11) $(0.14) $(0.14) $(0.10) $(0.12) $(0.04) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- -- $(0.07) - ------------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(0.91) $(1.28) $(0.14) $(0.10) $(0.12) $(0.11) - ------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.77 $25.04 $23.66 $20.77 $17.94 $17.13 - ------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.61(n) 11.66 14.61 16.35(b) 5.50 (10.20) - ------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.77(a) 1.82 1.81 1.82 1.85 1.90 Expenses after expense reductions (f) 1.76(a) 1.81 1.81 1.82 N/A N/A Net investment income 0.38(a) 0.72 0.58 0.49 0.76 0.40 Portfolio turnover 13 26 24 42 55 48 Net assets at end of period (000 Omitted) $1,148,703 $1,139,651 $1,262,029 $1,199,074 $1,069,389 $923,330 - ------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------------------- CLASS C 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $25.01 $23.64 $20.75 $17.93 $17.12 $19.18 - ------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.05 $0.18 $0.13 $0.10 $0.12 $0.07 Net realized and unrealized gain (loss) on investments and foreign currency 2.58 2.47 2.90 2.82 0.81 (2.02) - ------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.63 $2.65 $3.03 $2.92 $0.93 $(1.95) - ------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.11) $(0.14) $(0.14) $(0.10) $(0.12) $(0.04) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- -- (0.07) - ------------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(0.91) $(1.28) $(0.14) $(0.10) $(0.12) $(0.11) - ------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.73 $25.01 $23.64 $20.75 $17.93 $17.12 - ------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s)(t) 10.59(n) 11.65 14.63 16.32(b) 5.52 (10.21) - ------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.77(a) 1.82 1.81 1.82 1.85 1.90 Expenses after expense reductions (f) 1.76(a) 1.81 1.81 1.82 N/A N/A Net investment income 0.39(a) 0.74 0.58 0.49 0.76 0.40 Portfolio turnover 13 26 24 42 55 48 Net assets at end of period (000 Omitted) $994,650 $881,538 $863,486 $761,669 $648,318 $473,537 - ------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------------ CLASS I 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $25.32 $23.91 $20.95 $18.10 $17.27 $19.35 - ------------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.19 $0.43 $0.37 $0.30 $0.30 $0.27 Net realized and unrealized gain (loss) on investments and foreign currency 2.60 2.49 2.91 2.84 0.82 (2.06) - ------------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.79 $2.92 $3.28 $3.14 $1.12 $(1.79) - ------------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.24) $(0.37) $(0.32) $(0.29) $(0.29) $(0.22) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- -- (0.07) - ------------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(1.04) $(1.51) $(0.32) $(0.29) $(0.29) $(0.29) - ------------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $27.07 $25.32 $23.91 $20.95 $18.10 $17.27 - ------------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 11.12(n) 12.78 15.78 17.47(b) 6.61 (9.35) - ------------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 0.77(a) 0.82 0.81 0.83 0.85 0.90 Expenses after expense reductions (f) 0.76(a) 0.81 0.81 0.83 N/A N/A Net investment income 1.39(a) 1.77 1.59 1.50 1.76 1.40 Portfolio turnover 13 26 24 42 55 48 Net assets at end of period (000 Omitted) $1,350,786 $1,162,665 $899,654 $593,364 $296,961 $76,932 - ------------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS ENDED YEAR ENDED CLASS W 2/28/07 8/31/06(i) (UNAUDITED) Net asset value, beginning of period $25.20 $25.04 - ---------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------- Net investment income (d) $0.18 $0.24 Net realized and unrealized gain (loss) on investments and foreign currency 2.59 0.02(g) - ---------------------------------------------------------------------------------------------------------- Total from investment operations $2.77 $0.26 - ---------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ---------------------------------------------------------------------------------------------------------- From net investment income $(0.23) $(0.10) From net realized gain on investments and foreign currency transactions (0.80) -- - ---------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(1.03) $(0.10) - ---------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.94 $25.20 - ---------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 11.09(n) 1.05(n) - ---------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ---------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 0.87(a) 0.92(a) Expenses after expense reductions (f) 0.86(a) 0.91(a) Net investment income 1.37(a) 3.32(a) Portfolio turnover 13 26 Net assets at end of period (000 Omitted) $22,805 $8,952 - ---------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED -------------------------------------------------------- CLASS R 2/28/07 2006 2005 2004 2003(i) (UNAUDITED) Net asset value, beginning of period $25.15 $23.76 $20.84 $18.01 $16.53 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.12 $0.30 $0.25 $0.21 $0.15 Net realized and unrealized gain (loss) on investments and foreign currency 2.60 2.49 2.90 2.82 1.45 - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.72 $2.79 $3.15 $3.03 $1.60 - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.18) $(0.26) $(0.23) $(0.20) $(0.12) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(0.98) $(1.40) $(0.23) $(0.20) $(0.12) - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.89 $25.15 $23.76 $20.84 $18.01 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.88(n) 12.22 15.21 16.92(b) 9.76(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.27(a) 1.31 1.31 1.33 1.42(a) Expenses after expense reductions (f) 1.26(a) 1.31 1.31 1.33 N/A Net investment income 0.88(a) 1.24 1.10 1.02 1.26(a) Portfolio turnover 13 26 24 42 55 Net assets at end of period (000 Omitted) $93,912 $101,162 $85,302 $47,970 $14,583 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R1 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $24.93 $23.63 $23.17 - ------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.04 $0.22 $0.09 Net realized and unrealized gain (loss) on investments and foreign currency 2.57 2.39 0.42(g) - ------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.61 $2.61 $0.51 - ------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------- From net investment income $(0.11) $(0.17) $(0.05) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- - ------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(0.91) $(1.31) $(0.05) - ------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.63 $24.93 $23.63 - ------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.54(n) 11.51 2.21(n) - ------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.96(a) 2.02 2.04(a) Expenses after expense reductions (f) 1.85(a) 1.92 2.04(a) Net investment income 0.34(a) 0.93 0.89(a) Portfolio turnover 13 26 24 Net assets at end of period (000 Omitted) $8,458 $4,639 $574 - ------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R2 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $25.03 $23.67 $23.17 - ------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.09 $0.30 $0.11 Net realized and unrealized gain (loss) on investments and foreign currency 2.58 2.42 0.43(g) - ------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.67 $2.72 $0.54 - ------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------- From net investment income $(0.16) $(0.22) $(0.04) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- - ------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(0.96) $(1.36) $(0.04) - ------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.74 $25.03 $23.67 - ------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.72(n) 11.96 2.34(n) - ------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.66(a) 1.71 1.73(a) Expenses after expense reductions (f) 1.50(a) 1.57 1.73(a) Net investment income 0.68(a) 1.33 1.49(a) Portfolio turnover 13 26 24 Net assets at end of period (000 Omitted) $8,083 $4,520 $732 - ------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------- CLASS R3 2/28/07 2006 2005 2004(i) (UNAUDITED) Net asset value, beginning of period $25.07 $23.71 $20.84 $18.73 - -------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - -------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.10 $0.31 $0.21 $0.11 Net realized and unrealized gain (loss) on investments and foreign currency 2.59 2.43 2.88 2.12 - -------------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.69 $2.74 $3.09 $2.23 - -------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - -------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.16) $(0.24) $(0.22) $(0.12) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- - -------------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(0.96) $(1.38) $(0.22) $(0.12) - -------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.80 $25.07 $23.71 $20.84 - -------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.82(n) 12.03 14.91 11.93(b)(n) - -------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - -------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.51(a) 1.56 1.57 1.59(a) Expenses after expense reductions (f) 1.40(a) 1.47 1.57 1.59(a) Net investment income 0.78(a) 1.27 0.93 0.80(a) Portfolio turnover 13 26 24 42 Net assets at end of period (000 Omitted) $61,293 $30,001 $8,316 $414 - -------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R4 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $25.17 $23.81 $23.29 - ------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.14 $0.42 $0.15 Net realized and unrealized gain (loss) on investments and foreign currency 2.59 2.39 0.44(g) - ------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.73 $2.81 $0.59 - ------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------- From net investment income $(0.19) $(0.31) $(0.07) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- - ------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(0.99) $(1.45) $(0.07) - ------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.91 $25.17 $23.81 - ------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 10.94(n) 12.33 2.53(n) - ------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.16(a) 1.22 1.23(a) Expenses after expense reductions (f) 1.15(a) 1.22 1.23(a) Net investment income 1.04(a) 1.80 1.94(a) Portfolio turnover 13 26 24 Net assets at end of period (000 Omitted) $86,787 $46,731 $400 - ------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R5 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $25.22 $23.83 $23.29 - ------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.18 $0.45 $0.15 Net realized and unrealized gain (loss) on investments and foreign currency 2.60 2.43 0.47(g) - ------------------------------------------------------------------------------------------------------------------- Total from investment operations $2.78 $2.88 $0.62 - ------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------- From net investment income $(0.23) $(0.35) $(0.08) From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- - ------------------------------------------------------------------------------------------------------------------- Total distributions declared to shareholders $(1.03) $(1.49) $(0.08) - ------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $26.97 $25.22 $23.83 - ------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(s) 11.11(n) 12.64 2.68(n) - ------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 0.87(a) 0.92 0.92(a) Expenses after expense reductions (f) 0.86(a) 0.91 0.92(a) Net investment income 1.39(a) 1.80 1.57(a) Portfolio turnover 13 26 24 Net assets at end of period (000 Omitted) $116,469 $60,124 $51 - ------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------- CLASS 529A 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $25.09 $23.71 $20.80 $18.00 $17.21 $16.84 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment income (d) $0.10 $0.28 $0.23 $0.18 $0.20 $0.03 Net realized and unrealized gain (loss) on investments and foreign currency 2.59 2.48 2.90 2.80 0.81 0.34 - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $2.69 $2.76 $3.13 $2.98 $1.01 $0.37 - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net investment income $(0.17) $(0.24) $(0.22) $(0.18) $(0.22) $-- From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------ Total distributions declared to shareholders $(0.97) $(1.38) $(0.22) $(0.18) $(0.22) $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $26.81 $25.09 $23.71 $20.80 $18.00 $17.21 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 10.78(n) 12.11 15.09 16.63(b) 5.98 2.20(n) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 1.37(a) 1.42 1.41 1.43 1.48 1.50(a) Expenses after expense reductions (f) 1.36(a) 1.41 1.41 1.43 N/A N/A Net investment income 0.79(a) 1.18 0.99 0.91 1.20 2.23(a) Portfolio turnover 13 26 24 42 55 48 Net assets at end of period (000 Omitted) $4,682 $3,947 $2,914 $1,673 $806 $10 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------- CLASS 529B 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $24.87 $23.52 $20.67 $17.87 $17.12 $16.76 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment income (d) $0.02 $0.13 $0.08 $0.05 $0.09 $0.02 Net realized and unrealized gain (loss) on investments and foreign currency 2.56 2.45 2.87 2.81 0.80 0.34 - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $2.58 $2.58 $2.95 $2.86 $0.89 $0.36 - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net investment income $(0.08) $(0.09) $(0.10) $(0.06) $(0.14) $-- From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------ Total distributions declared to shareholders $(0.88) $(1.23) $(0.10) $(0.06) $(0.14) $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $26.57 $24.87 $23.52 $20.67 $17.87 $17.12 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 10.45(n) 11.39 14.32 16.03(b) 5.29 2.15(n) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 2.02(a) 2.06 2.06 2.07 2.13 2.15(a) Expenses after expense reductions (f) 2.01(a) 2.06 2.06 2.07 N/A N/A Net investment income 0.15(a) 0.53 0.34 0.27 0.52 1.33(a) Portfolio turnover 13 26 24 42 55 48 Net assets at end of period (000 Omitted) $1,185 $946 $655 $439 $181 $6 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------- CLASS 529C 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $24.86 $23.51 $20.66 $17.86 $17.11 $16.75 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment income (d) $0.02 $0.12 $0.08 $0.05 $0.09 $0.02 Net realized and unrealized gain (loss) on investments and foreign currency 2.56 2.46 2.87 2.81 0.80 0.34 - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $2.58 $2.58 $2.95 $2.86 $0.89 $0.36 - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net investment income $(0.08) $(0.09) $(0.10) $(0.06) $(0.14) $-- From net realized gain on investments and foreign currency transactions (0.80) (1.14) -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------ Total distributions declared to shareholders $(0.88) $(1.23) $(0.10) $(0.06) $(0.14) $-- - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $26.56 $24.86 $23.51 $20.66 $17.86 $17.11 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r)(s)(t) 10.45(n) 11.39 14.32 16.03(b) 5.31 2.15(n) - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions (f) 2.02(a) 2.06 2.06 2.07 2.13 2.15(a) Expenses after expense reductions (f) 2.01(a) 2.06 2.06 2.07 N/A N/A Net investment income 0.15(a) 0.51 0.36 0.26 0.55 1.75(a) Portfolio turnover 13 26 24 42 55 48 Net assets at end of period (000 Omitted) $1,607 $1,279 $1,062 $643 $352 $21 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued Any redemption fees charged by the fund during the 2004 and 2005 fiscal years resulted in a per share impact of less than $0.01. (a) Annualized. (b) The fund's net asset value and total return calculation include a non-recurring accrual recorded as a result of an administrative proceeding regarding disclosure of brokerage allocation practices in connection with fund sales. The non-recurring accrual did not have a material impact on the net asset value per share based on the shares outstanding on the day the proceeds were recorded. (d) Per share data are based on average shares outstanding. (f) Ratios do not reflect reductions from fees paid indirectly. (g) The per share amount is not in accordance with the net realized and unrealized gain/loss for the period because of the timing of sales of fund shares and the per share amount of realized and unrealized gains and losses at such time. (i) For the period from the class' inception, July 31, 2002 (Classes 529A, 529B, and 529C), December 31, 2002 (Class R), October 31, 2003 (Class R3), April 1, 2005 (Classes R1, R2, R4, and R5) and May 1, 2006 (Class W) through the stated period end. (n) Not annualized. (r) Certain expenses have been reduced without which performance would have been lower. (s) From time to time the fund may receive proceeds from litigation settlements, without which performance would be lower. (t) Total returns do not include any applicable sales charges. SEE NOTES TO FINANCIAL STATEMENTS NOTES TO FINANCIAL STATEMENTS (unaudited) (1) BUSINESS AND ORGANIZATION MFS Value Fund (the fund) is a series of MFS Series Trust I (the trust). The trust is organized as a Massachusetts business trust and is registered under the Investment Company Act of 1940, as amended, as an open-end management investment company. (2) SIGNIFICANT ACCOUNTING POLICIES GENERAL - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The fund can invest in foreign securities. Investments in foreign securities are vulnerable to the effects of changes in the relative values of the local currency and the U.S. dollar and to the effects of changes in each country's legal, political, and economic environment. INVESTMENT VALUATIONS - Equity securities, including restricted equity securities, are generally valued at the last sale or official closing price as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities for which there were no sales reported that day, equity securities are generally valued at the last quoted daily bid quotation as reported by an independent pricing service on the market or exchange on which they are primarily traded. For securities held short for which there were no sales reported for the day, the position is generally valued at the last quoted daily ask quotation as reported by an independent pricing service on the market or exchange on which such securities are primarily traded. Short-term instruments with a maturity at issuance of 60 days or less may be valued at amortized cost, which approximates market value. Open-end investment companies are generally valued at their net asset value per share. Securities and other assets generally valued on the basis of information from an independent pricing service may also be valued at a broker-dealer bid quotation. The values of foreign securities and other assets and liabilities expressed in foreign currencies are converted to U.S. dollars using the mean of bid and asked prices for rates reported by an independent pricing service. The Board of Trustees has delegated primary responsibility for determining or causing to be determined the value of the fund's investments (including any fair valuation) to the adviser pursuant to valuation policies and procedures approved by the Board. If the adviser determines that reliable market quotations are not readily available, investments are valued at fair value as determined in good faith by the adviser in accordance with such procedures under the oversight of the Board of Trustees. Under the fund's valuation policies and procedures, market quotations are not considered to be readily available for many types of debt instruments and certain types of derivatives. These investments are generally valued at fair value based on information from independent pricing services. In addition, investments may be valued at fair value if the adviser determines that an investment's value has been materially affected by events occurring after the close of the exchange or market on which the investment is principally traded (such as foreign exchange or market) and prior to the determination of the fund's net asset value, or after the halting of trading of a specific security where trading does not resume prior to the close of the exchange or market on which the security is principally traded. Events that occur on a frequent basis after foreign markets close (such as developments in foreign markets and significant movements in the U.S. markets) and prior to the determination of the fund's net asset value may be deemed to have a material affect on the value of securities traded in foreign markets. Accordingly, the fund's foreign equity securities may often be valued at fair value. The adviser may rely on independent pricing services or other information (such as the correlation with price movements of similar securities in the same or other markets; the type, cost and investment characteristics of the security; the business and financial condition of the issuer; and trading and other market data) to assist in determining whether to fair value and at what value to fair value an investment. The value of an investment for purposes of calculating the fund's net asset value can differ depending on the source and method used to determine value. When fair valuation is used, the value of investments used to determine the fund's net asset value may differ from quoted or published prices for the same investments. In September 2006, FASB Statement No. 157, Fair Value Measurements (the "Statement") was issued, and is effective for fiscal years beginning after November 15, 2007 and for all interim periods within those fiscal years. This Statement provides a single definition of fair value, a hierarchy for measuring fair value and expanded disclosures about fair value measurements. Management is evaluating the application of the Statement to the fund, and believes the impact will be limited to expanded disclosures resulting from the adoption of this Statement in the fund's financial statements. REPURCHASE AGREEMENTS - The fund may enter into repurchase agreements with institutions that the fund's investment adviser has determined are creditworthy. Each repurchase agreement is recorded at cost. The fund requires that the securities collateral in a repurchase transaction be transferred to the custodian in a manner sufficient to enable the fund to obtain those securities in the event of a default under the repurchase agreement. The fund monitors, on a daily basis, the value of the collateral to ensure that its value, including accrued interest, is greater than amounts owed to the fund under each such repurchase agreement. The fund and other funds managed by Massachusetts Financial Services Company (MFS), may utilize a joint trading account for the purpose of entering into one or more repurchase agreements. FOREIGN CURRENCY TRANSLATION - Purchases and sales of foreign investments, income, and expenses are converted into U.S. dollars based upon currency exchange rates prevailing on the respective dates of such transactions. Gains and losses attributable to foreign currency exchange rates on sales of securities are recorded for financial statement purposes as net realized gains and losses on investments. Gains and losses attributable to foreign exchange rate movements on income and expenses are recorded for financial statement purposes as foreign currency transaction gains and losses. That portion of both realized and unrealized gains and losses on investments that results from fluctuations in foreign currency exchange rates is not separately disclosed. SECURITY LOANS - State Street Bank and Trust Company ("State Street"), as lending agent, may loan the securities of the fund to certain qualified institutions (the "Borrowers") approved by the fund. The loans are collateralized at all times by cash and/or U.S. Treasury securities in an amount at least equal to the market value of the securities loaned. State Street provides the fund with indemnification against Borrower default. The fund bears the risk of loss with respect to the investment of cash collateral. On loans collateralized by cash, the cash collateral is invested in a money market fund or short-term securities. A portion of the income generated upon investment of the collateral is remitted to the Borrowers, and the remainder is allocated between the fund and the lending agent. On loans collateralized by U.S. Treasury securities, a fee is received from the Borrower, and is allocated between the fund and the lending agent. Net income from securities lending is included in interest income on the Statement of Operations. The dividend and interest income earned on the securities loaned is accounted for in the same manner as other dividend and interest income. INDEMNIFICATIONS - Under the fund's organizational documents, its officers and trustees may be indemnified against certain liabilities and expenses arising out of the performance of their duties to the fund. Additionally, in the normal course of business, the fund enters into agreements with service providers that may contain indemnification clauses. The fund's maximum exposure under these agreements is unknown as this would involve future claims that may be made against the fund that have not yet occurred. INVESTMENT TRANSACTIONS AND INCOME - Investment transactions are recorded on the trade date. Interest income is recorded on the accrual basis. All premium and discount is amortized or accreted for financial statement purposes in accordance with U.S. generally accepted accounting principles. All discount is accreted for tax reporting purposes as required by federal income tax regulations. Dividends received in cash are recorded on the ex-dividend date. Certain dividends from foreign securities will be recorded when the fund is informed of the dividend if such information is obtained subsequent to the ex- dividend date. Dividend and interest payments received in additional securities are recorded on the ex-dividend or ex-interest date in an amount equal to the value of the security on such date. The fund may receive proceeds from litigation settlements. Any proceeds received from litigation involving its portfolio holdings are reflected in realized gain/loss in the Statement of Operations, or in unrealized gain/loss if the security is still held by the fund. Any other proceeds from litigation not related to portfolio holdings are reflected as other income in the Statement of Operations. FEES PAID INDIRECTLY - The fund's custody fee is reduced according to an arrangement that measures the value of cash deposited with the custodian by the fund. This amount, for the six months ended February 28, 2007, is shown as a reduction of total expenses on the Statement of Operations. TAX MATTERS AND DISTRIBUTIONS - The fund intends to qualify as a regulated investment company, as defined under Subchapter M of the Internal Revenue Code, and to distribute all of its taxable income, including realized capital gains. Accordingly, no provision for federal income tax is required in the financial statements. Foreign taxes, if any, have been accrued by the fund in the accompanying financial statements. Distributions to shareholders are recorded on the ex-dividend date. Income and capital gain distributions are determined in accordance with income tax regulations, which may differ from U.S. generally accepted accounting principles. Certain capital accounts in the financial statements are periodically adjusted for permanent differences in order to reflect their tax character. These adjustments have no impact on net assets or net asset value per share. Temporary differences which arise from recognizing certain items of income, expense, gain or loss in different periods for financial statement and tax purposes will reverse at some time in the future. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. Book/tax differences primarily relate to wash sale loss deferrals, treating a portion of the proceeds from redemptions as a distribution for tax purposes, and redemptions in-kind. The tax character of distributions made during the current period will be determined at fiscal year end. The tax character of distributions declared to shareholders is as follows: 8/31/06 Ordinary income (including any short-term capital gains) $90,625,348 Long-term capital gain 364,307,851 ------------------------------------------------------------ Total distributions $454,933,199 The federal tax cost and the tax basis components of distributable earnings were as follows: AS OF 2/28/07 Cost of investments $7,381,017,867 ------------------------------------------------------------ Gross appreciation $2,492,735,755 Gross depreciation (72,017,389) ------------------------------------------------------------ Net unrealized appreciation (depreciation) $2,420,718,366 AS OF 8/31/06 Undistributed ordinary income $41,676,548 Undistributed long-term capital gain 201,335,214 Other temporary differences (4,200) Net unrealized appreciation (depreciation) 1,751,059,805 The aggregate cost above includes prior fiscal year end tax adjustments. In June 2006, FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes (the "Interpretation") was issued, and is effective for fiscal years beginning after December 15, 2006 and is to be applied to all open tax years as of the effective date. On December 22, 2006, the SEC delayed the implementation of the Interpretation for regulated investment companies for an additional six months. This Interpretation prescribes a minimum threshold for financial statement recognition of the benefit of a tax position taken or expected to be taken in a tax return, and requires certain expanded disclosures. Management is evaluating the application of the Interpretation to the fund, and has not at this time determined the impact, if any, resulting from the adoption of this Interpretation on the fund's financial statements. MULTIPLE CLASSES OF SHARES OF BENEFICIAL INTEREST - The fund offers multiple classes of shares, which differ in their respective distribution and service fees. All shareholders bear the common expenses of the fund based on daily net assets of each class, without distinction between share classes. Dividends are declared separately for each class. Differences in per share dividend rates are generally due to differences in separate class expenses. Class B and Class 529B shares will convert to Class A and Class 529A shares, respectively, approximately eight years after purchase. (3) TRANSACTIONS WITH AFFILIATES INVESTMENT ADVISER - The fund has an investment advisory agreement with MFS to provide overall investment management and related administrative services and facilities to the fund. The management fee is computed daily and paid monthly at an annual rate of 0.60% of the fund's average daily net assets. The investment adviser has agreed in writing to reduce its management fee to 0.55% of average daily net assets in excess of $7.5 billion. This written agreement may be rescinded only upon consent of the fund's Board of Trustees. This management fee reduction amounted to $418,128, which is shown as a reduction of total expenses in the Statement of Operations. The management fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.59% of the fund's average daily net assets. DISTRIBUTOR - MFS Fund Distributors, Inc. (MFD), a wholly-owned subsidiary of MFS, as distributor, received $251,232 and $1,520 for the six months ended February 28, 2007, as its portion of the initial sales charge on sales of Class A and Class 529A shares of the fund, respectively. The Board of Trustees has adopted a distribution plan for certain class shares pursuant to Rule 12b-1 of the Investment Company Act of 1940. The fund's distribution plan provides that the fund will pay MFD for services provided by MFD and financial intermediaries in connection with the distribution and servicing of certain share classes. One component of the plan is a distribution fee paid to MFD and another component of the plan is a service fee paid to MFD. MFD may subsequently pay all, or a portion, of the distribution and/or service fees to financial intermediaries. Distribution Fee Plan Table: TOTAL ANNUAL DISTRIBUTION DISTRIBUTION SERVICE DISTRIBUTION EFFECTIVE AND SERVICE FEE RATE FEE RATE PLAN(d) RATE(e) FEE Class A 0.10% 0.25% 0.35% 0.35% $9,474,480 Class B 0.75% 0.25% 1.00% 1.00% 5,827,599 Class C 0.75% 0.25% 1.00% 1.00% 4,735,496 Class W 0.10% -- 0.10% 0.10% 7,108 Class R 0.25% 0.25% 0.50% 0.50% 264,490 Class R1 0.50% 0.25% 0.75% 0.75% 24,392 Class R2 0.25% 0.25% 0.50% 0.50% 15,310 Class R3 0.25% 0.25% 0.50% 0.50% 112,860 Class R4 -- 0.25% 0.25% 0.25% 74,866 Class 529A 0.25% 0.25% 0.50% 0.35% 7,575 Class 529B 0.75% 0.25% 1.00% 1.00% 5,320 Class 529C 0.75% 0.25% 1.00% 1.00% 7,423 - --------------------------------------------------------------------------------------------------------------------- Total Distribution and Service Fees $20,556,919 (d) In accordance with the distribution plan for certain classes, the fund pays distribution and/or service fees up to these annual percentage rates of each class' average daily net assets. (e) The annual effective rates represent actual fees incurred under the distribution plan for the six months ended February 28, 2007 based on each class' average daily net assets. 0.10% of the Class 529A distribution fee is currently being paid by the fund. Payment of the remaining 0.15% of the Class 529A distribution fee is not yet in effect and will be implemented on such date as the fund's Board of Trustees may determine. Certain Class A, Class C and Class 529C shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within 12 months of purchase. Class B and Class 529B shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within six years of purchase. All contingent deferred sales charges are paid to MFD and during the six months ended February 28, 2007, were as follows: AMOUNT Class A $51,703 Class B $564,266 Class C $16,279 Class 529B $198 Class 529C $38 The fund has entered into and may from time to time enter into contracts with program managers and other parties which administer the tuition programs through which an investment in the fund's 529 share classes is made. The fund has entered into an agreement with MFD pursuant to which MFD receives an annual fee of up to 0.35% of the average daily net assets attributable to each 529 share class. The fee is based on average daily net assets and is currently established at 0.25% annually of average daily net assets of the fund's 529 share classes. The fee may only be increased with the approval of the Board of Trustees who oversees the fund. The services provided by MFD, or a third party with which MFD contracts, include recordkeeping and tax reporting and account services, as well as services designed to maintain the program's compliance with the Internal Revenue Code and other regulatory requirements. Program manager fees for the six months ended February 28, 2007, were as follows: AMOUNT Class 529A $5,411 Class 529B 1,330 Class 529C 1,856 -------------------------------------------------- Total Program Manager Fees $8,597 SHAREHOLDER SERVICING AGENT - MFS Service Center, Inc. (MFSC), a wholly-owned subsidiary of MFS, receives a fee from the fund for its services as shareholder servicing agent calculated as a percentage of the average daily net assets of the fund as determined periodically under the supervision of the fund's Board of Trustees. For the six months ended February 28, 2007, the fee was $3,452,540, which equated to 0.0757% annually of the fund's average daily net assets. Effective January 1, 2007, MFSC has entered into a sub-accounting agreement with SunLife Retirement Services (U.S.), Inc. (SRS), an affiliate of MFSC, on behalf of the fund to provide omnibus account services to the fund. MFSC pays SRS both an asset based fee and a per account charge of the assets held in the omnibus account. The fund then reimburses MFSC for the sub- accounting fees paid to SRS. For the six months ended February 28, 2007, the sub-accounting fee for SRS was $244,568, which equated to 0.0054% annually of the fund's average daily net assets. MFSC also receives payment from the fund for out-of-pocket and sub-accounting expenses. For the six months ended February 28, 2007, these out-of-pocket and sub-accounting costs amounted to $2,069,568. The fund may also pay shareholder servicing related costs directly to non-related parties. ADMINISTRATOR - MFS provides certain financial, legal, shareholder communications, compliance, and other administrative services to the fund. Under an administrative services agreement, the fund partially reimburses MFS the costs incurred to provide these services. The fund is charged a fixed amount plus a fee based on calendar year average net assets. The fund's annual fixed amount is $17,500. The administrative services fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.0067% of the fund's average daily net assets. In addition to the administrative services provided by MFS to the fund as described above, MFS is responsible for providing certain retirement plan administration and services with respect to certain shares. These services include various administrative, recordkeeping, and communication/educational services with respect to the retirement plans which invest in these shares, and may be provided directly by MFS or by a third party. MFS may subsequently pay all, or a portion, of the retirement plan administration and services fee to affiliated or unaffiliated third parties. For the six months ended February 28, 2007, the fund paid MFS an annual retirement plan administration and services fee up to the following annual percentage rates of each class' average daily net assets: ANNUAL EFFECTIVE TOTAL FEE RATE RATE(g) AMOUNT Class R1 0.45% 0.35% $14,635 Class R2 0.40% 0.25% 12,249 Class R3 0.25% 0.15% 56,430 Class R4 0.15% 0.15% 44,919 Class R5 0.10% 0.10% 36,023 - ------------------------------------------------------------------------------- Total Retirement Plan Administration and Services Fees $164,256 (g) MFS has agreed in writing to waive a portion of the retirement plan administration and services fee equal to 0.10% for Class R1 shares, 0.15% for Class R2 shares, and 0.10% for Class R3 shares. This agreement will continue until at least September 30, 2008. For the six months ended February 28, 2007, this waiver amounted to $30,417 and is reflected as a reduction of total expenses in the Statement of Operations. TRUSTEES' AND OFFICERS' COMPENSATION - The fund pays compensation to independent trustees in the form of a retainer, attendance fees, and additional compensation to Board and Committee chairpersons. The fund does not pay compensation directly to trustees or officers of the fund who are also officers of the investment adviser, all of whom receive remuneration for their services to the fund from MFS. Certain officers and trustees of the fund are officers or directors of MFS, MFD, and MFSC. The fund has an unfunded, defined benefit plan for certain retired independent trustees which resulted in a pension expense of $555. This amount is included in independent trustees' compensation for the six months ended February 28, 2007. The liability for deferred retirement benefits payable to certain retired independent trustees amounted to $9,946 at February 28, 2007, and is included in payable for independent trustees' compensation. OTHER - This fund and certain other MFS funds (the funds) have entered into a services agreement (the Agreement) which provides for payment of fees by the funds to Tarantino LLC in return for the provision of services of an Independent Chief Compliance Officer (ICCO) for the funds. The ICCO is an officer of the funds and the sole member of Tarantino LLC. The funds can terminate the Agreement with Tarantino LLC at any time under the terms of the Agreement. For the six months ended February 28, 2007, the fee paid to Tarantino LLC was $36,733. MFS has agreed to reimburse the fund for a portion of the payments made by the funds to Tarantino LLC in the amount of $23,957, which is shown as a reduction of total expenses in the Statement of Operations. Additionally, MFS has agreed to bear all expenses associated with office space, other administrative support, and supplies provided to the ICCO. (4) PORTFOLIO SECURITIES Purchases and sales of investments, other than U.S. government securities, purchased option transactions, and short-term obligations, aggregated $1,497,739,200 and $1,129,224,464, respectively. (5) SHARES OF BENEFICIAL INTEREST The fund's Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional shares of beneficial interest. Transactions in fund shares were as follows: SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06(i) SHARES AMOUNT SHARES AMOUNT Shares sold Class A 38,069,768 $1,015,918,178 60,803,749 $1,470,033,391 Class B 2,529,176 66,880,916 4,311,711 103,369,845 Class C 3,897,182 103,246,991 5,194,373 124,008,983 Class I 4,306,678 115,306,979 9,361,214 225,782,424 Class W 523,492 14,057,841 355,829 8,707,026 Class R 597,070 15,878,360 2,171,753 51,431,346 Class R1 322,180 8,633,989 219,186 5,288,225 Class R2 303,857 8,137,856 192,249 4,708,059 Class R3 2,207,413 59,170,233 1,329,770 31,972,342 Class R4 3,330,741 90,794,230 2,221,181 53,759,704 Class R5 2,164,600 58,905,364 2,712,139 63,685,240 Class 529A 18,909 502,735 36,431 876,014 Class 529B 6,197 163,281 9,630 228,856 Class 529C 10,981 286,965 8,588 204,251 - ------------------------------------------------------------------------------------------------------------ 58,288,244 $1,557,883,918 88,927,803 $2,144,055,706 Shares issued to shareholders in reinvestment of distributions Class A 6,037,277 $159,746,219 9,462,744 $221,685,921 Class B 1,245,618 32,830,501 2,278,450 53,009,523 Class C 773,319 20,352,377 1,259,073 29,257,616 Class I 1,773,437 47,098,644 2,428,532 57,190,569 Class W 16,682 441,422 16 388 Class R 143,380 3,788,763 246,252 5,756,203 Class R1 8,655 227,127 3,439 79,783 Class R2 7,988 210,174 1,901 44,284 Class R3 59,481 1,568,209 34,444 803,843 Class R4 80,031 2,116,010 11,675 276,619 Class R5 269 7,116 138 3,249 Class 529A 5,948 156,809 7,720 180,072 Class 529B 1,334 34,940 1,606 37,120 Class 529C 1,909 49,980 2,549 58,871 - ------------------------------------------------------------------------------------------------------------ 10,155,328 $268,628,291 15,738,539 $368,384,061 Shares reacquired Class A (27,024,553) $(723,269,227) (65,973,843) $(1,589,756,950) Class B (6,371,375) (169,064,056) (14,415,374) (346,071,665) Class C (2,706,854) (71,751,900) (7,736,571) (185,371,128) Class I (2,105,993) (56,370,985) (3,495,733) (85,149,119) Class W (48,922) (1,300,761) (622) (15,405) Class R (1,270,148) (34,161,470) (1,985,641) (48,501,782) Class R1 (199,309) (5,364,717) (60,823) (1,476,315) Class R2 (190,171) (5,123,694) (44,464) (1,089,173) Class R3 (1,175,991) (31,867,794) (518,447) (12,427,593) Class R4 (2,041,964) (55,862,536) (393,300) (9,578,895) Class R5 (229,587) (6,125,712) (330,497) (8,024,795) Class 529A (7,591) (198,905) (9,716) (232,975) Class 529B (965) (25,604) (1,056) (25,650) Class 529C (3,834) (101,782) (4,854) (116,272) - ------------------------------------------------------------------------------------------------------------ (43,377,257) $(1,160,589,143) (94,970,941) $(2,287,837,717) Net change Class A 17,082,492 $452,395,170 4,292,650 $101,962,362 Class B (2,596,581) (69,352,639) (7,825,213) (189,692,297) Class C 1,963,647 51,847,468 (1,283,125) (32,104,529) Class I 3,974,122 106,034,638 8,294,013 197,823,874 Class W 491,252 13,198,502 355,223 8,692,009 Class R (529,698) (14,494,347) 432,364 8,685,767 Class R1 131,526 3,496,399 161,802 3,891,693 Class R2 121,674 3,224,336 149,686 3,663,170 Class R3 1,090,903 28,870,648 845,767 20,348,592 Class R4 1,368,808 37,047,704 1,839,556 44,457,428 Class R5 1,935,282 52,786,768 2,381,780 55,663,694 Class 529A 17,266 460,639 34,435 823,111 Class 529B 6,566 172,617 10,180 240,326 Class 529C 9,056 235,163 6,283 146,850 - ------------------------------------------------------------------------------------------------------------ 25,066,315 $665,923,066 9,695,401 $224,602,050 (i) For the period from the class' inception, May 1, 2006 (Class W) through the stated period ended. The fund is one of several mutual funds in which the MFS funds-of-funds may invest. The MFS funds-of-funds do not invest in the underlying MFS funds for the purpose of exercising management or control. At the end of the period, the MFS Conservative Allocation Fund, MFS Moderate Allocation Fund, MFS Growth Allocation Fund and MFS Aggressive Growth Allocation Fund were the owners of record of approximately 1%, 3%, 4% and 2% respectively, of the value of outstanding voting shares. In addition, the MFS Lifetime Retirement Income Fund, the MFS Lifetime 2010 Fund, the MFS Lifetime 2020 Fund, the MFS Lifetime 2030 Fund and the MFS Lifetime 2040 Fund were each the owners of record of less than 1% of the value of outstanding voting shares. (6) LINE OF CREDIT The fund and other funds managed by MFS participate in a $1 billion unsecured committed line of credit provided by a syndication of banks under a credit agreement. In addition, the fund and other funds managed by MFS have established uncommitted borrowing arrangements with certain banks. Borrowings may be made for temporary financing needs. Interest is charged to each fund, based on its borrowings, generally at a rate equal to the Federal Reserve funds rate plus 0.35%. In addition, a commitment fee, based on the average daily, unused portion of the committed line of credit, is allocated among the participating funds at the end of each calendar quarter. For the six months ended February 28, 2007, the fund's commitment fee and interest expense were $25,387 and $0, respectively, and are included in miscellaneous expense on the Statement of Operations. BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT A discussion regarding the Board's most recent review and renewal of the Fund's investment advisory agreement is available by clicking on the fund's name under "Select a fund" on the MFS Web site (mfs.com). PROXY VOTING POLICIES AND INFORMATION A general description of the MFS funds' proxy voting policies and procedures is available without charge, upon request, by calling 1-800-225-2606, by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. Information regarding how the fund voted proxies relating to portfolio securities during the most recent twelve-month period ended June 30 is available without charge by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. QUARTERLY PORTFOLIO DISCLOSURE The fund will file a complete schedule of portfolio holdings with the Securities and Exchange Commission (the Commission) for the first and third quarters of each fiscal year on Form N-Q. The fund's Form N-Q may be reviewed and copied at the: Public Reference Room Securities and Exchange Commission 100 F Street, NE, Room 1580 Washington, D.C. 20549 Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-202-551-5850. The fund's Form N-Q is available on the EDGAR database on the Commission's Internet Web site at http://www.sec.gov, and copies of this information may be obtained, upon payment of a duplicating fee, by electronic request at the following e-mail address: publicinfo@sec.gov or by writing the Public Reference Section at the above address. A shareholder can also obtain the quarterly portfolio holdings report at mfs.com. CONTACT US WEB SITE MAILING ADDRESS mfs.com MFS Service Center, Inc. P.O. Box 55824 MFS TALK Boston, MA 02205-5824 1-800-637-8255 24 hours a day OVERNIGHT MAIL MFS Service Center, Inc. ACCOUNT SERVICE AND 500 Boylston Street LITERATURE Boston, MA 02116-3741 SHAREHOLDERS 1-800-225-2606 8 a.m. to 8 p.m. ET INVESTMENT PROFESSIONALS 1-800-343-2829 8 a.m. to 8 p.m. ET RETIREMENT PLAN SERVICES 1-800-637-1255 8 a.m. to 8 p.m. ET - ------------------------------------------------------------------------------- Go paperless with eDELIVERY: Arrange to have MFS send prospectuses, reports, and proxies directly to your e-mail inbox. You'll get timely information and less clutter in your mailbox (not to mention help your fund save printing and postage costs). SIGN UP: If your account is registered with us, simply go to mfs.com, log in to your account via MFS Access, and select the eDelivery sign up options. If you own your MFS fund shares through a financial institution or a retirement plan, MFS TALK, MFS Access, and eDelivery may not be available to you. - ------------------------------------------------------------------------------- M F S(R) INVESTMENT MANAGEMENT M F S(R) INVESTMENT MANAGEMENT [graphic omitted] Semiannual report MFS(R) CASH RESERVE FUND LETTER FROM THE CEO 1 - ---------------------------------------------------- PORTFOLIO COMPOSITION 2 - ---------------------------------------------------- EXPENSE TABLE 3 - ---------------------------------------------------- PORTFOLIO OF INVESTMENTS 5 - ---------------------------------------------------- STATEMENT OF ASSETS AND LIABILITIES 7 - ---------------------------------------------------- STATEMENT OF OPERATIONS 10 - ---------------------------------------------------- STATEMENTS OF CHANGES IN NET ASSETS 11 - ---------------------------------------------------- FINANCIAL HIGHLIGHTS 12 - ---------------------------------------------------- NOTES TO FINANCIAL STATEMENTS 21 - ---------------------------------------------------- BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT 30 - ---------------------------------------------------- PROXY VOTING POLICIES AND INFORMATION 30 - ---------------------------------------------------- QUARTERLY PORTFOLIO DISCLOSURE 30 - ---------------------------------------------------- CONTACT INFORMATION BACK COVER - ---------------------------------------------------- THE REPORT IS PREPARED FOR THE GENERAL INFORMATION OF SHAREHOLDERS. IT IS AUTHORIZED FOR DISTRIBUTION TO PROSPECTIVE INVESTORS ONLY WHEN PRECEDED OR ACCOMPANIED BY A CURRENT PROSPECTUS. - ------------------------------------------------------------------------------ NOT FDIC INSURED o MAY LOSE VALUE o NO BANK OR CREDIT UNION GUARANTEE o NOT A DEPOSIT o NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY OR NCUA/NCUSIF - ------------------------------------------------------------------------------ 2/28/07 LMM-SEM [Photo of Robert J. Manning] LETTER FROM THE CEO Dear Shareholders: The past year has been a great example of why investors should keep their eyes on the long term. In 2006 the Dow Jones Industrial Average returned 19%. In February 2007 it hit its all-time high of 12,787. Less than a week later, stocks sold off around the globe. By March 5 the Dow was off 5.8%. That is a sign of volatile markets and a reason investors should make sure they have an investment plan that can ride out the peaks and troughs. If you are focused on a long-term investment strategy, the short-term ups and downs of the markets should not necessarily dictate portfolio action on your part. Both the bond and stock markets are inherently cyclical. In our view, investors who remain committed to a long-term plan are more likely to achieve their financial goals. We believe you should not let the headlines guide you in your investment decisions and that there is no sense in reacting to short- term volatility. In any market environment, we believe individual investors are best served by following a three-pronged investment strategy of allocating their holdings across the major asset classes, diversifying within each class, and regularly rebalancing their portfolios to maintain their desired allocations. Of course, these strategies cannot guarantee a profit or protect against a loss. Investing and planning for the long term require diligence and patience, two traits that in our experience are essential to capitalizing on the many opportunities the financial markets can offer -- through both up and down economic cycles. Respectfully, /s/ Robert J. Manning Robert J. Manning Chief Executive Officer and Chief Investment Officer MFS Investment Management(R) April 16, 2007 The opinions expressed in this letter are subject to change, may not be relied upon for investment advice, and no forecasts can be guaranteed. PORTFOLIO COMPOSITION PORTFOLIO STRUCTURE(u) Commercial Paper 87.7% Certificates of Deposit 13.4% Cash & Other Net Assets (1.1)% SHORT TERM CREDIT QUALITY (q) Average Credit Quality Short Term Bonds (a) A-1 ------------------------------------------------ All holdings are rated "A-1" MATURITY BREAKDOWN (u) 0 - 29 days 68.0% ------------------------------------------------ 30 - 59 days 8.8% ------------------------------------------------ 60 - 89 days 8.8% ------------------------------------------------ 90 - 366 days 15.5% ------------------------------------------------ Other Assets Less Liabilities -1.1% ------------------------------------------------ (a) The average credit quality is based upon a market weighted average of portfolio holdings that are rated by public rating agencies. (q) Each security is assigned a rating from Moody's Investors Service. If not rated by Moody's, the rating will be that assigned by Standard & Poor's. Likewise, if not assigned a rating by Standard & Poor's, it will be based on the rating assigned by Fitch, Inc. If not rated by any of the three agencies, the security is considered Not Rated. U.S. Treasuries and U.S. Agency securities are included in the "A-1"-rating category. Percentages are based on the total market value of investments as of 2/28/07. (u) For purposes of this graphical presentation, accrued interest, where applicable, is included. From time to time "Other Assets Less Liabilities" may be negative due to timing of cash receipts. Percentages are based on net assets as of 2/28/07, unless otherwise noted. The portfolio is actively managed and current holdings may be different. EXPENSE TABLE Fund expenses borne by the shareholders during the period, September 1, 2006 through February 28, 2007 As a shareholder of the fund, you incur two types of costs: (1) transaction costs, including sales charges (loads) on certain purchase or redemption payments and redemption fees on certain exchanges and redemptions, and (2) ongoing costs, including management fees; distribution and service (12b-1) fees; and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the period and held for the entire period September 1, 2006 through February 28, 2007. ACTUAL EXPENSES The first line for each share class in the following table provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each share class in the following table provides information about hypothetical account values and hypothetical expenses based on the fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transactional costs, such as sales charges (loads) or redemption fees. Therefore, the second line for each share class in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. - -------------------------------------------------------------------------------- Expenses Paid During Annualized Beginning Ending Period(p) Share Expense Account Value Account Value 9/01/06- Class Ratio 9/01/06 2/28/07 2/28/07 - -------------------------------------------------------------------------------- Actual 0.46% $1,000.00 $1,024.80 $2.31 A --------------------------------------------------------------------------- Hypothetical (h) 0.46% $1,000.00 $1,022.51 $2.31 - -------------------------------------------------------------------------------- Actual 1.46% $1,000.00 $1,019.80 $7.31 B --------------------------------------------------------------------------- Hypothetical (h) 1.46% $1,000.00 $1,017.55 $7.30 - -------------------------------------------------------------------------------- Actual 1.46% $1,000.00 $1,019.80 $7.31 C --------------------------------------------------------------------------- Hypothetical (h) 1.46% $1,000.00 $1,017.55 $7.30 - -------------------------------------------------------------------------------- Actual 1.57% $1,000.00 $1,019.20 $7.86 R1 --------------------------------------------------------------------------- Hypothetical (h) 1.57% $1,000.00 $1,017.01 $7.85 - -------------------------------------------------------------------------------- Actual 1.23% $1,000.00 $1,021.00 $6.16 R2 --------------------------------------------------------------------------- Hypothetical (h) 1.23% $1,000.00 $1,018.70 $6.16 - -------------------------------------------------------------------------------- Actual 1.12% $1,000.00 $1,021.50 $5.61 R3 --------------------------------------------------------------------------- Hypothetical (h) 1.12% $1,000.00 $1,019.24 $5.61 - -------------------------------------------------------------------------------- Actual 0.87% $1,000.00 $1,022.70 $4.36 R4 --------------------------------------------------------------------------- Hypothetical (h) 0.87% $1,000.00 $1,020.48 $4.36 - -------------------------------------------------------------------------------- Actual 0.56% $1,000.00 $1,024.30 $2.81 R5 --------------------------------------------------------------------------- Hypothetical (h) 0.56% $1,000.00 $1,022.02 $2.81 - -------------------------------------------------------------------------------- Actual 0.71% $1,000.00 $1,023.50 $3.56 529A --------------------------------------------------------------------------- Hypothetical (h) 0.71% $1,000.00 $1,021.27 $3.56 - -------------------------------------------------------------------------------- Actual 1.71% $1,000.00 $1,018.50 $8.56 529B --------------------------------------------------------------------------- Hypothetical (h) 1.71% $1,000.00 $1,016.31 $8.55 - -------------------------------------------------------------------------------- Actual 1.71% $1,000.00 $1,018.50 $8.56 529C --------------------------------------------------------------------------- Hypothetical (h) 1.71% $1,000.00 $1,016.31 $8.55 - -------------------------------------------------------------------------------- (h) 5% class return per year before expenses. (p) Expenses paid is equal to each class' annualized expense ratio, as shown above, multiplied by the average account value over the period, multiplied by the number of days in the period, divided by the number of days in the year. Expenses paid do not include any applicable sales charges (loads) or redemption fees. If these transaction costs had been included, your costs would have been higher. PORTFOLIO OF INVESTMENTS 2/28/07 (unaudited) The Portfolio of Investments is a complete list of all securities owned by your fund. It is categorized by broad-based asset classes. Certificates of Deposit - 13.3% - ---------------------------------------------------------------------------------------------- ISSUER SHARES/PAR VALUE ($) - ---------------------------------------------------------------------------------------------- Major Banks - 10.2% - ---------------------------------------------------------------------------------------------- Barclays Bank PLC, NY, 5.31%, due 3/13/07 $ 7,200,000 $ 7,200,000 Royal Bank of Canada, New York Branch, 5.32%, due 6/21/07 12,700,000 12,700,000 UBS AG, Stamford, CT Branch, 5.355%, due 3/06/07 15,933,000 15,933,000 ------------- $ 35,833,000 - ---------------------------------------------------------------------------------------------- Other Banks & Diversified Financials - 3.1% - ---------------------------------------------------------------------------------------------- Natexis Banques Populaires, NY, 5.34%, due 8/13/07 $ 11,000,000 $ 11,000,000 - ---------------------------------------------------------------------------------------------- TOTAL CERTIFICATES OF DEPOSIT, AT AMORTIZED COST AND VALUE $ 46,833,000 - ---------------------------------------------------------------------------------------------- Commercial Paper - 87.7% (y) - ---------------------------------------------------------------------------------------------- Asset Backed & Securitized - 4.0% - ---------------------------------------------------------------------------------------------- Yorktown Capital LLC, 5.32%, due 3/01/07 (t) $ 1,968,000 $ 1,968,000 Yorktown Capital LLC, 5.255%, due 3/05/07 - 3/07/07 (t) 9,176,000 9,170,041 Yorktown Capital LLC, 5.25%, due 4/02/07 (t) 3,025,000 3,010,883 ------------- $ 14,148,924 - ---------------------------------------------------------------------------------------------- Automotive - 2.2% - ---------------------------------------------------------------------------------------------- Toyota Motor Credit Corp., 5.2%, due 7/27/07 $ 7,740,000 $ 7,574,536 - ---------------------------------------------------------------------------------------------- Electrical Equipment - 3.1% - ---------------------------------------------------------------------------------------------- General Electric Co., 5.215%, due 6/29/07 $ 11,230,000 $ 11,034,785 - ---------------------------------------------------------------------------------------------- Financial Institutions - 50.6% - ---------------------------------------------------------------------------------------------- Barton Capital Corp., 5.25%, due 3/08/07 (t) $ 14,926,000 $ 14,910,763 Bryant Park Funding LLC, 5.24%, due 5/15/07 (t) 3,000,000 2,967,250 CAFCO LLC, 5.25%, due 3/02/07 - 3/07/07 (t) 9,090,000 9,085,656 CRC Funding LLC, 5.25%, due 3/09/07 (t) 10,050,000 10,038,275 CRC Funding LLC, 5.235%, due 5/30/07 (t) 4,067,000 4,013,773 Ciesco LLC, 5.25%, due 3/09/07 (t) 7,673,000 7,664,048 Citibank Credit Card Issuance Trust, 5.25%, due 3/13/07 - 3/16/07 (t) 14,940,000 14,910,211 Edison Asset Securitization LLC, 5.23%, due 5/23/07 (t) 3,455,000 3,413,339 Falcon Asset Securitization Co. LLC, 5.32%, due 3/01/07 (t) 13,560,000 13,560,000 Falcon Asset Securitization Co. LLC, 5.25%, due 4/25/07 (t) 594,000 589,236 Govco, Inc., 5.24%, due 3/07/07 (t) 2,360,000 2,357,939 Govco, Inc., 5.245%, due 5/16/07 (t) 2,515,000 2,487,152 Jupiter Securitization Co. LLC, 5.32%, due 3/01/07 (t) 8,447,000 8,447,000 Kitty Hawk Funding Corp., 5.25%, due 3/30/07 (t) 14,820,000 14,757,324 Old Line Funding LLC, 5.26%, due 3/19/07 (t) 14,538,000 14,499,762 Ranger Funding Co. LLC, 5.25%, due 3/02/07 - 3/12/07 (t) 14,776,000 14,763,401 Regency Markets, No. 1 LLC, 5.26%, due 3/20/07 (t) 2,191,000 2,184,918 Regency Markets, No. 1 LLC, 5.25%, due 4/16/07 (t) 12,810,000 12,724,066 Scaldis Capital LLC, 5.25%, due 3/27/07 (t) 4,700,000 4,682,179 Thunder Bay Funding LLC, 5.25%, due 3/19/07 (t) 9,600,000 9,574,800 Windmill Funding Corp., 5.25%, due 3/01/07 (t) 10,549,000 10,549,000 ------------- $ 178,180,092 - ---------------------------------------------------------------------------------------------- Insurance - 1.9% - ---------------------------------------------------------------------------------------------- MetLife, Inc., 5.24%, due 3/05/07 (t) $ 1,000,000 $ 999,418 MetLife, Inc., 5.25%, due 4/12/07 (t) 5,600,000 5,565,700 ------------- $ 6,565,118 - ---------------------------------------------------------------------------------------------- Major Banks - 10.0% - ---------------------------------------------------------------------------------------------- Barclays U.S. Funding Corp., 5.24%, due 3/26/07 $ 5,410,000 $ 5,390,314 Barclays U.S. Funding Corp., 5.21%, due 7/09/07 1,630,000 1,599,333 HBOS Treasury Services PLC, 5.26%, due 3/05/07 2,825,000 2,823,349 HBOS Treasury Services PLC, 5.255%, due 3/21/07 390,000 388,861 HBOS Treasury Services PLC, 5.25%, due 4/30/07 2,450,000 2,428,563 HBOS Treasury Services PLC, 5.24%, due 5/10/07 8,700,000 8,611,357 Societe Generale North America, 5.25%, due 3/08/07 115,000 114,883 Societe Generale North America, 5.23%, due 3/29/07 13,961,000 13,904,210 ------------- $ 35,260,870 - ---------------------------------------------------------------------------------------------- Other Banks & Diversified Financials - 15.9% - ---------------------------------------------------------------------------------------------- Citigroup Funding, Inc., 5.26%, due 3/20/07 $ 14,688,000 $ 14,647,224 DEPFA Bank PLC, 5.24%, due 5/22/07 (t) 7,426,000 7,337,367 DEPFA Bank PLC, 4.98%, due 12/21/07 (t) 7,000,000 6,714,342 Deutsche Bank Financial LLC, 5.33%, due 3/01/07 10,413,000 10,413,000 ING America Insurance Holdings, Inc., 5.26%, due 3/14/07 3,910,000 3,902,573 Svenska Handelsbanken, Inc., 5.23%, due 4/04/07 9,016,000 8,971,466 Svenska Handelsbanken, Inc., 5.245%, due 5/02/07 3,881,000 3,845,943 ------------- $ 55,831,915 - ---------------------------------------------------------------------------------------------- TOTAL COMMERCIAL PAPER, AT AMORTIZED COST AND VALUE $ 308,596,240 - ---------------------------------------------------------------------------------------------- TOTAL INVESTMENTS, AT AMORTIZED COST AND VALUE $ 355,429,240 - ---------------------------------------------------------------------------------------------- Other Assets, Less Liabilities - (1.0)% (3,396,229) - ---------------------------------------------------------------------------------------------- NET ASSETS - 100.0% $ 352,033,011 - ---------------------------------------------------------------------------------------------- (t) Security exempt from registration with the U.S. Securities and Exchange Commission under Section 4(2) of the Securities Act of 1933. (y) The rate shown represents an annualized yield at time of purchase. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF ASSETS AND LIABILITIES At 2/28/07 (unaudited) This statement represents your fund's balance sheet, which details the assets and liabilities comprising the total value of the fund. ASSETS - ------------------------------------------------------------------------------------------------------ Investments, at amortized cost and value $355,429,240 Cash 852 Receivable for fund shares sold 5,297,031 Interest receivable 541,083 Other assets 7,034 - ------------------------------------------------------------------------------------------------------ Total assets $361,275,240 - ------------------------------------------------------------------------------------------------------ LIABILITIES - ------------------------------------------------------------------------------------------------------ Distributions payable $48,329 Payable for fund shares reacquired 8,802,840 Payable to affiliates Management fee 2,894 Shareholder servicing costs 228,188 Distribution and service fees 12,303 Administrative services fee 386 Program manager fees 45 Retirement plan administration and services fees 320 Payable for independent trustees' compensation 29,233 Accrued expenses and other liabilities 117,691 - ------------------------------------------------------------------------------------------------------ Total liabilities $9,242,229 - ------------------------------------------------------------------------------------------------------ Net assets $352,033,011 - ------------------------------------------------------------------------------------------------------ NET ASSETS CONSIST OF - ------------------------------------------------------------------------------------------------------ Paid-in-capital $352,035,943 Accumulated net realized gain (loss) on investments (1,256) Accumulated distributions in excess of net investment income (1,676) - ------------------------------------------------------------------------------------------------------ Net assets $352,033,011 - ------------------------------------------------------------------------------------------------------ Shares of beneficial interest outstanding 352,035,965 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class A shares - ------------------------------------------------------------------------------------------------------ Net assets $109,460,982 Shares outstanding 109,461,721 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price and redemption price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class B shares - ------------------------------------------------------------------------------------------------------ Net assets $169,866,769 Shares outstanding 169,868,565 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class C shares - ------------------------------------------------------------------------------------------------------ Net assets $40,206,932 Shares outstanding 40,207,288 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class R1 shares - ------------------------------------------------------------------------------------------------------ Net assets $4,264,081 Shares outstanding 4,264,086 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class R2 shares - ------------------------------------------------------------------------------------------------------ Net assets $4,166,462 Shares outstanding 4,166,468 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class R3 shares - ------------------------------------------------------------------------------------------------------ Net assets $13,737,706 Shares outstanding 13,737,733 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class R4 shares - ------------------------------------------------------------------------------------------------------ Net assets $6,988,288 Shares outstanding 6,988,290 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class R5 shares - ------------------------------------------------------------------------------------------------------ Net assets $53,872 Shares outstanding 53,873 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price, and redemption price per share $1.00 - ------------------------------------------------------------------------------------------------------ Statement of Assets and Liabilities (unaudited) - continued Class 529A shares - ------------------------------------------------------------------------------------------------------ Net assets $2,314,977 Shares outstanding 2,314,991 - ------------------------------------------------------------------------------------------------------ Net asset value, offering price and redemption price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class 529B shares - ------------------------------------------------------------------------------------------------------ Net assets $296,383 Shares outstanding 296,386 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $1.00 - ------------------------------------------------------------------------------------------------------ Class 529C shares - ------------------------------------------------------------------------------------------------------ Net assets $676,559 Shares outstanding 676,564 - ------------------------------------------------------------------------------------------------------ Net asset value and offering price per share $1.00 - ------------------------------------------------------------------------------------------------------ A contingent deferred sales charge may be imposed on redemptions of Class B, Class C, Class 529B, and Class 529C shares. SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENT OF OPERATIONS Six months ended 2/28/07 (unaudited) This statement describes how much your fund earned in investment income and accrued in expenses. It also describes any gains and/or losses generated by fund operations. NET INVESTMENT INCOME - ------------------------------------------------------------------------------------------------------ Interest income $9,873,106 - ------------------------------------------------------------------------------------------------------ Expenses Management fee $1,008,887 Distribution and service fees 1,235,257 Program manager fees 3,961 Shareholder servicing costs 378,421 Administrative services fee 36,441 Retirement plan administration and services fees 23,123 Independent trustees' compensation 7,292 Custodian fee 45,829 Shareholder communications 36,680 Auditing fees 15,477 Legal fees 5,615 Miscellaneous 50,814 - ------------------------------------------------------------------------------------------------------ Total expenses $2,847,797 - ------------------------------------------------------------------------------------------------------ Fees paid indirectly (15,290) Reduction of expenses by investment adviser and distributor (745,605) - ------------------------------------------------------------------------------------------------------ Net expenses $2,086,902 - ------------------------------------------------------------------------------------------------------ Net investment income $7,786,204 - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $7,786,204 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements STATEMENTS OF CHANGES IN NET ASSETS These statements describe the increases and/or decreases in net assets resulting from operations, any distributions, and any shareholder transactions. SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 (UNAUDITED) CHANGE IN NET ASSETS FROM OPERATIONS - ------------------------------------------------------------------------------------------------------ Net investment income $7,786,204 $13,405,250 Net realized gain (loss) on investments -- (811) - ------------------------------------------------------------------------------------------------------ Change in net assets from operations $7,786,204 $13,404,439 - ------------------------------------------------------------------------------------------------------ DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------ From net investment income Class A $(2,706,039) $(4,153,465) Class B (3,830,585) (7,438,988) Class C (865,218) (1,500,901) Class R1 (43,033) (22,701) Class R2 (43,014) (30,414) Class R3 (185,366) (102,446) Class R4 (91,259) (9,619) Class R5 (1,279) (2,066) Class 529A (51,919) (70,775) Class 529B (5,504) (9,881) Class 529C (12,210) (16,893) - ------------------------------------------------------------------------------------------------------ Total distributions declared to shareholders $(7,835,426) $(13,358,149) - ------------------------------------------------------------------------------------------------------ Change in net assets from fund share transactions $(52,617,452) $(18,098,331) - ------------------------------------------------------------------------------------------------------ Total change in net assets $(52,666,674) $(18,052,041) - ------------------------------------------------------------------------------------------------------ NET ASSETS - ------------------------------------------------------------------------------------------------------ At beginning of period 404,699,685 422,751,726 At end of period (including accumulated distributions in excess of net investment income of $1,676 and undistributed net investment income of $47,546) $352,033,011 $404,699,685 - ------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Statements FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the fund's financial performance for the semiannual period and the past 5 fiscal years (or life of a particular share class, if shorter). Certain information reflects financial results for a single fund share. The total returns in the table represent the rate by which an investor would have earned (or lost) on an investment in the fund share class (assuming reinvestment of all distributions) held for the entire period. SIX MONTHS YEARS ENDED 8/31 ENDED ----------------------------------------------------------------------- CLASS A 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ------------------------------------------------------------------------------------------------------------------------------ INCOME (LOSS) FROM INVESTMENT OPERATIONS - ------------------------------------------------------------------------------------------------------------------------------ Net investment income (d) $0.02 $0.04 $0.02 $0.01 $0.01 $0.01 Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- -- -- -- - ------------------------------------------------------------------------------------------------------------------------------ Total from investment operations $0.02 $0.04 $0.02 $0.01 $0.01 $0.01 - ------------------------------------------------------------------------------------------------------------------------------ LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ------------------------------------------------------------------------------------------------------------------------------ From net investment income $(0.02) $(0.04) $(0.02) $(0.01) $(0.01) $(0.01) - ------------------------------------------------------------------------------------------------------------------------------ Net asset value, end of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ------------------------------------------------------------------------------------------------------------------------------ Total return (%) (r) 2.48(n) 4.19 2.11 0.58 0.69 1.49 - ------------------------------------------------------------------------------------------------------------------------------ RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ------------------------------------------------------------------------------------------------------------------------------ Expenses before expense reductions(f) 0.86(a) 0.89 0.90 0.79 0.81 0.91 Expenses after expense reductions(f) 0.46(a) 0.49 0.50 0.55 0.71 0.81 Net investment income 4.93(a) 4.14 2.10 0.58 0.70 1.44 Net assets at end of period (000 Omitted) $109,461 $114,481 $91,165 $101,287 $214,275 $242,230 - ------------------------------------------------------------------------------------------------------------------------------ SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED --------------------------------------------------------------------------- CLASS B 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.03 $0.01 $0.00(w) $0.00(w) $0.00(w) Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.03 $0.01 $0.00(w) $0.00(w) $0.00(w) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.03) $(0.01) $(0.00)(w) $(0.00)(w) $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(t) 1.98(n) 3.16 1.10 0.06 0.06 0.49 - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.86(a) 1.89 1.89 1.80 1.81 1.91 Expenses after expense reductions (f) 1.46(a) 1.49 1.49 1.07 1.35 1.81 Net investment income 3.93(a) 3.09 1.03 0.06 0.06 0.50 Net assets at end of period (000 Omitted) $169,867 $222,661 $280,361 $429,844 $647,269 $741,638 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------------------------------------------------------ CLASS C 2/28/07 2006 2005 2004 2003 2002 (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.03 $0.01 $0.00(w) $0.00(w) $0.00(w) Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.03 $0.01 $0.00(w) $0.00(w) $0.00(w) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.03) $(0.01) $(0.00)(w) $(0.00)(w) $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(t) 1.98(n) 3.15 1.10 0.06 0.06 0.49 - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions(f) 1.86(a) 1.89 1.89 1.79 1.81 1.91 Expenses after expense reductions (f) 1.46(a) 1.49 1.49 1.07 1.36 1.81 Net investment income 3.93(a) 3.14 1.03 0.06 0.06 0.50 Net assets at end of period (000 Omitted) $40,207 $56,456 $46,483 $80,482 $159,715 $159,254 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R1 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.03 $0.01 Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- - ---------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.03 $0.01 - ---------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ---------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.03) $(0.01) - ---------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- Total return (%) (r) 1.92(n) 3.04 0.59(n) - ---------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ---------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 2.07(a) 2.09 2.24(a) Expenses after expense reductions (f) 1.57(a) 1.59 1.84(a) Net investment income 3.80(a) 3.15 1.52(a) Net assets at end of period (000 Omitted) $4,264 $898 $258 - ---------------------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R2 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.03 $0.01 Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- - ---------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.03 $0.01 - ---------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ---------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.03) $(0.01) - ---------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- Total return (%) (r) 2.10(n) 3.40 0.72(n) - ---------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ---------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.78(a) 1.79 1.93(a) Expenses after expense reductions (f) 1.23(a) 1.25 1.53(a) Net investment income 4.15(a) 3.40 1.97(a) Net assets at end of period (000 Omitted) $4,166 $1,101 $604 - ---------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R3 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.04 $0.01 Net realized and unrealized gain (loss) on investments -- (0.01) -- - ---------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.03 $0.01 - ---------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ---------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.03) $(0.01) - ---------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- Total return (%) (r) 2.15(n) 3.51 0.78(n) - ---------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ---------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.62(a) 1.63 1.83(a) Expenses after expense reductions (f) 1.12(a) 1.13 1.43(a) Net investment income 4.26(a) 3.73 2.10(a) Net assets at end of period (000 Omitted) $13,738 $4,909 $1,179 - ---------------------------------------------------------------------------------------------------------------------- SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R4 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.04 $0.01 Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- - ---------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.04 $0.01 - ---------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ---------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.04) $(0.01) - ---------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- Total return (%) (r) 2.27(n) 3.77 0.93(n) - ---------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ---------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 1.28(a) 1.28 1.38(a) Expenses after expense reductions (f) 0.87(a) 0.88 0.98(a) Net investment income 4.50(a) 4.06 2.21(a) Net assets at end of period (000 Omitted) $6,988 $1,019 $51 - ---------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ------------------------- CLASS R5 2/28/07 2006 2005(i) (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ---------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.04 $0.01 Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- - ---------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.04 $0.01 - ---------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ---------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.04) $(0.01) - ---------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 - ---------------------------------------------------------------------------------------------------------------------- Total return (%) (r) 2.43(n) 4.09 1.06(n) - ---------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ---------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions (f) 0.96(a) 0.99 1.08(a) Expenses after expense reductions (f) 0.56(a) 0.59 0.68(a) Net investment income 4.83(a) 4.03 2.51(a) Net assets at end of period (000 Omitted) $54 $53 $51 - ---------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------------------- CLASS 529A 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.04 $0.02 $0.00(w) $0.00(w) $0.00(w) Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.04 $0.02 $0.00(w) $0.00(w) $0.00(w) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.04) $(0.02) $(0.00)(w) $(0.00)(w) $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r) 2.35(n) 3.93 1.86 0.33 0.45 0.08(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions(f) 1.47(a) 1.49 1.50 1.39 1.41 1.26(a) Expenses after expense reductions (f) 0.71(a) 0.74 0.75 0.80 0.96 1.16(a) Net investment income 4.68(a) 3.92 1.93 0.34 0.33 1.04(a) Net assets at end of period (000 Omitted) $2,315 $2,135 $1,650 $1,140 $1,164 $30 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------------------- CLASS 529B 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.03 $0.01 $0.00(w) $0.00(w) $0.00(w) Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.03 $0.01 $0.00(w) $0.00(w) $0.00(w) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.03) $(0.01) $(0.00)(w) $(0.00)(w) $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(t) 1.85(n) 2.90 0.87 0.06 0.07 0.02(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions(f) 2.12(a) 2.14 2.13 2.03 2.06 2.16(a) Expenses after expense reductions (f) 1.71(a) 1.74 1.73 1.08 1.25 2.06(a) Net investment income 3.67(a) 2.88 0.87 0.07 0.06 0.23(a) Net assets at end of period (000 Omitted) $296 $297 $340 $339 $253 $5 - ----------------------------------------------------------------------------------------------------------------------------- SEE NOTES TO FINANCIAL STATEMENTS Financial Highlights - continued SIX MONTHS YEARS ENDED 8/31 ENDED ---------------------------------------------------------------------- CLASS 529C 2/28/07 2006 2005 2004 2003 2002(i) (UNAUDITED) Net asset value, beginning of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- INCOME (LOSS) FROM INVESTMENT OPERATIONS - ----------------------------------------------------------------------------------------------------------------------------- Net investment income (d) $0.02 $0.03 $0.01 $0.00(w) $0.00(w) $0.00(w) Net realized and unrealized gain (loss) on investments -- (0.00)(w) -- -- -- -- - ----------------------------------------------------------------------------------------------------------------------------- Total from investment operations $0.02 $0.03 $0.01 $0.00(w) $0.00(w) $0.00(w) - ----------------------------------------------------------------------------------------------------------------------------- LESS DISTRIBUTIONS DECLARED TO SHAREHOLDERS - ----------------------------------------------------------------------------------------------------------------------------- From net investment income $(0.02) $(0.03) $(0.01) $(0.00)(w) $(0.00)(w) $(0.00)(w) - ----------------------------------------------------------------------------------------------------------------------------- Net asset value, end of period $1.00 $1.00 $1.00 $1.00 $1.00 $1.00 - ----------------------------------------------------------------------------------------------------------------------------- Total return (%) (r)(t) 1.85(n) 2.90 0.87 0.06 0.07 0.02(n) - ----------------------------------------------------------------------------------------------------------------------------- RATIOS (%) (TO AVERAGE NET ASSETS) AND SUPPLEMENTAL DATA: - ----------------------------------------------------------------------------------------------------------------------------- Expenses before expense reductions(f) 2.12(a) 2.14 2.13 2.03 2.06 2.16(a) Expenses after expense reductions (f) 1.71(a) 1.74 1.73 1.08 1.22 2.06(a) Net investment income 3.68(a) 2.89 0.85 0.06 0.05 0.23(a) Net assets at end of period (000 Omitted) $677 $688 $611 $640 $512 $5 - ----------------------------------------------------------------------------------------------------------------------------- (a) Annualized. (d) Per share data are based on average shares outstanding. (f) Ratios do not reflect reductions from fees paid indirectly. (i) For the period from the class' inception, July 31, 2002 (Classes 529A, 529B, and 529C), and April 1, 2005 (Classes R1, R2, R3, R4, and R5) through the stated period end. (n) Not annualized. (r) Certain expenses have been reduced without which performance would have been lower. (t) Total returns do not include any applicable sales charges. (w) Per share amount was less than $0.01. SEE NOTES TO FINANCIAL STATEMENTS NOTES TO FINANCIAL STATEMENTS (unaudited) (1) BUSINESS AND ORGANIZATION MFS Cash Reserve Fund (the fund) is a series of MFS Series Trust I (the trust). The trust is organized as a Massachusetts business trust and is registered under the Investment Company Act of 1940, as amended, as an open- end management investment company. (2) SIGNIFICANT ACCOUNTING POLICIES GENERAL - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. INVESTMENT VALUATIONS - Money market instruments are valued at amortized cost, which approximates market value. Amortized cost involves valuing an instrument at its cost as adjusted for amortization of premium or accretion of discount rather than its current market value. Each money market fund's use of amortized cost is subject to the fund's compliance with Rule 2a-7 under the Investment Company Act of 1940. The amortized cost value of an instrument can be different from the market value of an instrument. In September 2006, FASB Statement No. 157, Fair Value Measurements (the "Statement") was issued, and is effective for fiscal years beginning after November 15, 2007 and for all interim periods within those fiscal years. This Statement provides a single definition of fair value, a hierarchy for measuring fair value and expanded disclosures about fair value measurements. Management is evaluating the application of the Statement to the fund, and believes the impact will be limited to expanded disclosures resulting from the adoption of this Statement in the fund's financial statements. REPURCHASE AGREEMENTS - The fund may enter into repurchase agreements with institutions that the fund's investment adviser has determined are creditworthy. Each repurchase agreement is recorded at cost. The fund requires that the securities collateral in a repurchase transaction be transferred to the custodian in a manner sufficient to enable the fund to obtain those securities in the event of a default under the repurchase agreement. The fund monitors, on a daily basis, the value of the collateral to ensure that its value, including accrued interest, is greater than amounts owed to the fund under each such repurchase agreement. The fund and other funds managed by Massachusetts Financial Services Company (MFS), may utilize a joint trading account for the purpose of entering into one or more repurchase agreements. INDEMNIFICATIONS - Under the fund's organizational documents, its officers and trustees may be indemnified against certain liabilities and expenses arising out of the performance of their duties to the fund. Additionally, in the normal course of business, the fund enters into agreements with service providers that may contain indemnification clauses. The fund's maximum exposure under these agreements is unknown as this would involve future claims that may be made against the fund that have not yet occurred. INVESTMENT TRANSACTIONS AND INCOME - Investment transactions are recorded on the trade date. Interest income is recorded on the accrual basis. All premium and discount is amortized and accreted for financial statement purposes and tax reporting purposes in accordance with generally accepted accounting principles and federal tax regulations, respectively. FEES PAID INDIRECTLY - The fund's custody fee is reduced according to an arrangement that measures the value of cash deposited with the custodian by the fund. This amount, for the six months ended February 28, 2007, is shown as a reduction of total expenses on the Statement of Operations. TAX MATTERS AND DISTRIBUTIONS - The fund intends to qualify as a regulated investment company, as defined under Subchapter M of the Internal Revenue Code, and to distribute all of its taxable income, including realized capital gains. Accordingly, no provision for federal income tax is required in the financial statements. Foreign taxes, if any, have been accrued by the fund in the accompanying financial statements. Distributions to shareholders are recorded on the ex-dividend date. Income and capital gain distributions are determined in accordance with income tax regulations, which may differ from U.S. generally accepted accounting principles. Certain capital accounts in the financial statements are periodically adjusted for permanent differences in order to reflect their tax character. These adjustments have no impact on net assets or net asset value per share. Temporary differences which arise from recognizing certain items of income, expense, gain or loss in different periods for financial statement and tax purposes will reverse at some time in the future. Distributions in excess of net investment income or net realized gains are temporary overdistributions for financial statement purposes resulting from differences in the recognition or classification of income or distributions for financial statement and tax purposes. During the year ended August 31, 2006, there were no significant adjustments due to differences between book and tax accounting. The tax character of distributions made during the current period will be determined at fiscal year end. The tax character of distributions declared to shareholders is as follows: 8/31/06 Ordinary income (including any short-term capital gains) $13,358,149 The federal tax cost and the tax basis components of distributable earnings were as follows: AS OF 2/28/07 Cost of investments $355,429,240 ---------------------------------------------------------- AS OF 8/31/06 Undistributed ordinary income $134,730 Capital loss carryforwards (445) Post-October capital loss deferral (811) Other temporary differences (87,184) The aggregate cost above includes prior fiscal year end tax adjustments. As of August 31, 2006, the fund had capital loss carryforwards available to offset future realized gains. Such losses expire as follows: 8/31/12 $(441) 8/31/13 (4) ---------------------------------------------------------- $(445) In June 2006, FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes (the "Interpretation") was issued, and is effective for fiscal years beginning after December 15, 2006 and is to be applied to all open tax years as of the effective date. On December 22, 2006, the SEC delayed the implementation of the Interpretation for regulated investment companies for an additional six months. This Interpretation prescribes a minimum threshold for financial statement recognition of the benefit of a tax position taken or expected to be taken in a tax return, and requires certain expanded disclosures. Management is evaluating the application of the Interpretation to the fund, and has not at this time determined the impact, if any, resulting from the adoption of this Interpretation on the fund's financial statements. MULTIPLE CLASSES OF SHARES OF BENEFICIAL INTEREST - The fund offers multiple classes of shares, which differ in their respective distribution and service fees. All shareholders bear the common expenses of the fund based on the value of settled shares outstanding of each class, without distinction between share classes. Dividends are declared separately for each class. Differences in per share dividend rates are generally due to differences in separate class expenses. Class B and Class 529B shares will convert to Class A and Class 529A shares, respectively, approximately eight years after purchase. (3) TRANSACTIONS WITH AFFILIATES INVESTMENT ADVISER - The fund has an investment advisory agreement with MFS to provide overall investment management and related administrative services and facilities to the fund. The management fee is computed daily and paid monthly at an annual rate of 0.55% of the fund's average daily net assets. As part of a settlement agreement with the New York Attorney General concerning market timing and related matters, MFS has agreed to reduce the management fee to 0.15% of the fund's average daily net assets for the period March 1, 2004 through February 28, 2009. For the six months ended February 28, 2007, this waiver amounted to $733,736 and is reflected as a reduction of total expenses in the Statement of Operations. The management fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.15% of the fund's average daily net assets. DISTRIBUTOR - The Board of Trustees has adopted a distribution plan for certain class shares pursuant to Rule 12b-1 of the Investment Company Act of 1940. The fund's distribution plan provides that the fund will pay MFD for services provided by MFD and financial intermediaries in connection with the distribution and servicing of certain share classes. One component of the plan is a distribution fee paid to MFD and another component of the plan is a service fee paid to MFD. MFD may subsequently pay all, or a portion, of the distribution and/or service fees to financial intermediaries. Distribution Fee Plan Table: TOTAL ANNUAL DISTRIBUTION DISTRIBUTION SERVICE DISTRIBUTION EFFECTIVE AND SERVICE FEE RATE FEE RATE PLAN(d) RATE(e) FEE Class A 0.10% 0.25% 0.35% 0.00% $-- Class B 0.75% 0.25% 1.00% 1.00% 967,518 Class C 0.75% 0.25% 1.00% 1.00% 218,688 Class R1 0.50% 0.25% 0.75% 0.75% 8,466 Class R2 0.25% 0.25% 0.50% 0.50% 5,154 Class R3 0.25% 0.25% 0.50% 0.50% 21,704 Class R4 -- 0.25% 0.25% 0.25% 5,072 Class 529A 0.25% 0.25% 0.50% 0.00% 3,870 Class 529B 0.75% 0.25% 1.00% 1.00% 1,484 Class 529C 0.75% 0.25% 1.00% 1.00% 3,301 - --------------------------------------------------------------------------------------------------------------------- Total Distribution and Service Fees $1,235,257 (d) In accordance with the distribution plan for certain classes, the fund pays distribution and/or service fees up to these annual percentage rates of each class' average daily net assets. (e) The annual effective rates represent actual fees incurred under the distribution plan for the six months ended February 28, 2007 based on each class' average daily net assets. Payment of the 0.25% annual Class A service fee is not yet in effect and will be implemented on such date as the fund's Board of Trustees may determine. Payment of the 0.10% annual Class A distribution fee is not yet in effect and will be implemented on such date as the fund's Board of Trustees may determine. 0.10% of the Class 529A distribution fee is currently being waived under a written waiver arrangement through January 1, 2008. Payment of 0.15% of the Class 529A distribution fee is not yet in effect and will be implemented on such date as the fund's Board of Trustees may determine. For the six months ended February 28, 2007, this waiver amounted to $1,106 and is reflected as a reduction of total expenses in the Statement of Operations. 0.25% of the Class 529A service fee is currently being waived under a written waiver arrangement through January 1, 2008. For the six months ended February 28, 2007, this waiver amounted to $2,764 and is reflected as a reduction of total expenses in the Statement of Operations. Certain Class A, Class C and Class 529C shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within 12 months of purchase. Class B and Class 529B shares are subject to a contingent deferred sales charge in the event of a shareholder redemption within six years of purchase. All contingent deferred sales charges are paid to MFD and during the six months ended February 28, 2007, were as follows: AMOUNT Class A $298 Class B $247,312 Class C $8,093 Class 529B $5 Class 529C $-- The fund has entered into and may from time to time enter into contracts with program managers and other parties which administer the tuition programs through which an investment in the fund's 529 share classes is made. The fund has entered into an agreement with MFD pursuant to which MFD receives an annual fee of up to 0.35% of the average daily net assets attributable to each 529 share class. The fee is based on average daily net assets and is currently established at 0.25% annually of average daily net assets of the fund's 529 share classes. The fee may only be increased with the approval of the Board of Trustees who oversees the fund. The services provided by MFD, or a third party with which MFD contracts, include recordkeeping and tax reporting and account services, as well as services designed to maintain the program's compliance with the Internal Revenue Code and other regulatory requirements. Program manager fees for the six months ended February 28, 2007, were as follows: AMOUNT Class 529A $2,765 Class 529B 371 Class 529C 825 -------------------------------------------------- Total Program Manager Fees $3,961 SHAREHOLDER SERVICING AGENT - MFS Service Center, Inc. (MFSC), a wholly-owned subsidiary of MFS, receives a fee from the fund for its services as shareholder servicing agent calculated as a percentage of the average daily net assets of the fund as determined periodically under the supervision of the fund's Board of Trustees. For the six months ended February 28, 2007, the fee was $141,084, which equated to 0.0769% annually of the fund's average daily net assets. Effective January 1, 2007, MFSC has entered into a sub-accounting agreement with SunLife Retirement Services (U.S.), Inc. (SRS), an affiliate of MFSC, on behalf of the fund to provide omnibus account services to the fund. MFSC pays SRS both an asset based fee and a per account charge of the assets held in the omnibus account. The fund then reimburses MFSC for the sub- accounting fees paid to SRS. For the six months ended February 28, 2007, the sub-accounting fee for SRS was $40,761 which equated to 0.0222% annually of the fund's average daily net assets. MFSC also receives payment from the fund for out-of-pocket and sub-accounting expenses. For the six months ended February 28, 2007, these out-of-pocket and sub-accounting costs amounted to $128,102. The fund may also pay shareholder servicing related costs directly to non-related parties. ADMINISTRATOR - MFS provides certain financial, legal, shareholder communications, compliance, and other administrative services to the fund. Under an administrative services agreement, the fund partially reimburses MFS the costs incurred to provide these services. The fund is charged a fixed amount plus a fee based on calendar year average net assets. The fund's annual fixed amount is $17,500. The administrative services fee incurred for the six months ended February 28, 2007 was equivalent to an annual effective rate of 0.0199% of the fund's average daily net assets. In addition to the administrative services provided by MFS to the fund as described above, MFS is responsible for providing certain retirement plan administration and services with respect to certain shares. These services include various administrative, recordkeeping, and communication/educational services with respect to the retirement plans which invest in these shares, and may be provided directly by MFS or by a third party. MFS may subsequently pay all, or a portion, of the retirement plan administration and services fee to affiliated or unaffiliated third parties. For the six months ended February 28, 2007, the fund paid MFS an annual retirement plan administration and services fee up to the following annual percentage rates of each class' average daily net assets: ANNUAL EFFECTIVE TOTAL FEE RATE RATE(g) AMOUNT Class R1 0.45% 0.35% $5,078 Class R2 0.40% 0.25% 4,123 Class R3 0.25% 0.15% 10,852 Class R4 0.15% 0.15% 3,043 Class R5 0.10% 0.10% 27 - ------------------------------------------------------------------------------- Total Retirement Plan Administration and Services Fees $23,123 (g) MFS has agreed in writing to waive a portion of the retirement plan administration and services fee equal to 0.10% for Class R1 shares, 0.15% for Class R2 shares, and 0.10% for Class R3 shares. This agreement will continue until at least September 30, 2008. For the six months ended February 28, 2007, this waiver amounted to $7,016 and is reflected as a reduction of total expenses in the Statement of Operations. TRUSTEES' AND OFFICERS' COMPENSATION - The fund pays compensation to independent trustees in the form of a retainer, attendance fees, and additional compensation to Board and Committee chairpersons. The fund does not pay compensation directly to trustees or officers of the fund who are also officers of the investment adviser, all of whom receive remuneration for their services to the fund from MFS. Certain officers and trustees of the fund are officers or directors of MFS, MFD, and MFSC. The fund has an unfunded, defined benefit plan for certain retired independent trustees which resulted in a pension expense of $1,469. This amount is included in independent trustees' compensation for the six months ended February 28, 2007. The liability for deferred retirement benefits payable to certain retired independent trustees amounted to $28,500 at February 28, 2007, and is included in payable for independent trustees' compensation. OTHER - This fund and certain other MFS funds (the funds) have entered into a services agreement (the Agreement) which provides for payment of fees by the funds to Tarantino LLC in return for the provision of services of an Independent Chief Compliance Officer (ICCO) for the funds. The ICCO is an officer of the funds and the sole member of Tarantino LLC. The funds can terminate the Agreement with Tarantino LLC at any time under the terms of the Agreement. For the six months ended February 28, 2007, the fee paid to Tarantino LLC was $1,471. MFS has agreed to reimburse the fund for a portion of the payments made by the funds to Tarantino LLC in the amount of $983, which is shown as a reduction of total expenses in the Statement of Operations. Additionally, MFS has agreed to bear all expenses associated with office space, other administrative support, and supplies provided to the ICCO. (4) PORTFOLIO SECURITIES Purchases and sales of money market securities, exclusive of securities subject to repurchase agreements, aggregated $1,375,222,670 and $1,433,629,000, respectively. (5) SHARES OF BENEFICIAL INTEREST The fund's Declaration of Trust permits the Trustees to issue an unlimited number of full and fractional shares of beneficial interest. Transactions in fund shares were as follows: SIX MONTHS ENDED YEAR ENDED 2/28/07 8/31/06 SHARES AMOUNT SHARES AMOUNT Shares sold Class A 39,384,346 $39,384,351 117,033,867 $117,033,876 Class B 44,225,679 44,225,680 172,309,994 172,309,994 Class C 17,060,978 17,060,979 66,947,131 66,947,131 Class R1 13,562,903 13,562,902 1,313,341 1,313,341 Class R2 17,244,022 17,244,022 861,517 861,516 Class R3 56,118,392 56,118,392 6,796,745 6,796,746 Class R4 27,708,991 27,708,991 1,072,464 1,072,464 Class 529A 542,687 542,686 886,031 886,031 Class 529B 32,569 32,569 243,462 243,463 Class 529C 85,719 85,719 366,108 366,108 - ---------------------------------------------------------------------------------------------------------- 215,966,286 $215,966,291 367,830,660 $367,830,670 Shares issued to shareholders in reinvestment of distributions Class A 2,497,649 $2,497,649 3,783,600 $3,783,600 Class B 3,588,491 3,588,491 6,929,081 6,929,081 Class C 793,776 793,776 1,374,977 1,374,977 Class R1 34,991 34,991 22,173 22,174 Class R2 34,515 34,515 29,955 29,955 Class R3 160,458 160,458 99,631 99,631 Class R4 81,078 81,078 9,521 9,521 Class R5 1,279 1,279 2,066 2,066 Class 529A 51,882 51,882 70,755 70,755 Class 529B 5,480 5,480 9,850 9,850 Class 529C 12,206 12,206 16,827 16,827 - ---------------------------------------------------------------------------------------------------------- 7,261,805 $7,261,805 12,348,436 $12,348,437 Shares reacquired Class A (46,889,050) $(46,889,050) (97,513,708) $(97,513,708) Class B (100,579,573) (100,579,584) (236,966,151) (236,966,174) Class C (34,097,913) (34,097,914) (58,354,458) (58,354,459) Class R1 (10,232,005) (10,232,005) (695,487) (695,487) Class R2 (14,212,612) (14,212,612) (394,730) (394,730) Class R3 (47,449,919) (47,449,919) (3,166,655) (3,166,655) Class R4 (21,821,211) (21,821,211) (113,123) (113,123) Class 529A (414,841) (414,841) (471,603) (471,603) Class 529B (38,953) (38,953) (296,083) (296,084) Class 529C (109,459) (109,459) (305,414) (305,415) - ---------------------------------------------------------------------------------------------------------- (275,845,536) $(275,845,548) (398,277,412) $(398,277,438) Net change Class A (5,007,055) $(5,007,050) 23,303,759 $23,303,768 Class B (52,765,403) (52,765,413) (57,727,076) (57,727,099) Class C (16,243,159) (16,243,159) 9,967,650 9,967,649 Class R1 3,365,889 3,365,888 640,027 640,028 Class R2 3,065,925 3,065,925 496,742 496,741 Class R3 8,828,931 8,828,931 3,729,721 3,729,722 Class R4 5,968,858 5,968,858 968,862 968,862 Class R5 1,279 1,279 2,066 2,066 Class 529A 179,728 179,727 485,183 485,183 Class 529B (904) (904) (42,771) (42,771) Class 529C (11,534) (11,534) 77,521 77,520 - ---------------------------------------------------------------------------------------------------------- (52,617,445) $(52,617,452) (18,098,316) $(18,098,331) (6) LINE OF CREDIT The fund and other funds managed by MFS participate in a $1 billion unsecured committed line of credit provided by a syndication of banks under a credit agreement. In addition, the fund and other funds managed by MFS have established uncommitted borrowing arrangements with certain banks. Borrowings may be made for temporary financing needs. Interest is charged to each fund, based on its borrowings, generally at a rate equal to the Federal Reserve funds rate plus 0.35%. In addition, a commitment fee, based on the average daily, unused portion of the committed line of credit, is allocated among the participating funds at the end of each calendar quarter. For the six months ended February 28, 2007, the fund's commitment fee and interest expense were $1,207 and $0, respectively, and are included in miscellaneous expense on the Statement of Operations. BOARD REVIEW OF INVESTMENT ADVISORY AGREEMENT A discussion regarding the Board's most recent review and renewal of the Fund's investment advisory agreement is available by clicking on the fund's name under "Select a fund" on the MFS Web site (mfs.com). PROXY VOTING POLICIES AND INFORMATION A general description of the MFS funds' proxy voting policies and procedures is available without charge, upon request, by calling 1-800-225-2606, by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. Information regarding how the fund voted proxies relating to portfolio securities during the most recent twelve-month period ended June 30 is available without charge by visiting the Proxy Voting section of mfs.com or by visiting the SEC's Web site at http://www.sec.gov. QUARTERLY PORTFOLIO DISCLOSURE The fund will file a complete schedule of portfolio holdings with the Securities and Exchange Commission (the Commission) for the first and third quarters of each fiscal year on Form N-Q. The fund's Form N-Q may be reviewed and copied at the: Public Reference Room Securities and Exchange Commission 100 F Street, NE, Room 1580 Washington, D.C. 20549 Information on the operation of the Public Reference Room may be obtained by calling the Commission at 1-202-551-5850. The fund's Form N-Q is available on the EDGAR database on the Commission's Internet Web site at http://www.sec.gov, and copies of this information may be obtained, upon payment of a duplicating fee, by electronic request at the following e-mail address: publicinfo@sec.gov or by writing the Public Reference Section at the above address. A shareholder can also obtain the quarterly portfolio holdings report at mfs.com. CONTACT US WEB SITE MAILING ADDRESS mfs.com MFS Service Center, Inc. P.O. Box 55824 MFS TALK Boston, MA 1-800-637-8255 02205-5824 24 hours a day OVERNIGHT MAIL ACCOUNT SERVICE AND MFS Service Center, Inc. LITERATURE 500 Boylston Street Boston, MA 02116-3741 SHAREHOLDERS 1-800-225-2606 8 a.m. to 8 p.m. ET INVESTMENT PROFESSIONALS 1-800-343-2829 8 a.m. to 8 p.m. ET RETIREMENT PLAN SERVICES 1-800-637-1255 8 a.m. to 8 p.m. ET - ------------------------------------------------------------------------------- Go paperless with eDELIVERY: Arrange to have MFS send prospectuses, reports, and proxies directly to your e-mail inbox. You'll get timely information and less clutter in your mailbox (not to mention help your fund save printing and postage costs). SIGN UP: If your account is registered with us, simply go to mfs.com, log in to your account via MFS Access, and select the eDelivery sign up options. If you own your MFS fund shares through a financial institution or a retirement plan, MFS TALK, MFS Access, and eDelivery may not be available to you. - ------------------------------------------------------------------------------- M F S(R) INVESTMENT MANAGEMENT ITEM 2. CODE OF ETHICS. The Registrant has not amended any provision in its Code of Ethics (the "Code") that relates to any element of the Code's definition enumerated in paragraph (b) of Item 2 of this Form N-CSR. ITEM 3. AUDIT COMMITTEE FINANCIAL EXPERT. Not applicable for semi-annual reports. ITEM 4. PRINCIPAL ACCOUNTANT FEES AND SERVICES. Not applicable for semi-annual reports. ITEM 5. AUDIT COMMITTEE OF LISTED REGISTRANTS. Not applicable to the Registrant. ITEM 6. SCHEDULE OF INVESTMENTS A schedule of investments for each series of the Registrant is included as part of the report to shareholders of such series under Item 1 of this Form N-CSR. ITEM 7. DISCLOSURE OF PROXY VOTING POLICIES AND PROCEDURES FOR CLOSED-END MANAGEMENT INVESTMENT COMPANIES. Not applicable to the Registrant. ITEM 8. PORTFOLIO MANAGERS OF CLOSED-END MANAGEMENT INVESTMENT COMPANIES. Not applicable to the Registrant. ITEM 9. PURCHASES OF EQUITY SECURITIES BY CLOSED-END MANAGEMENT INVESTMENT COMPANY AND AFFILIATED PURCHASERS. Not applicable to the Registrant. ITEM 10. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS. There were no material changes to the procedures by which shareholders may send recommendations to the Board for nominees to the Registrant's Board since the Registrant last provided disclosure as to such procedures in response to the requirements of Item 407(c)(2)(iv) of Regulation S-K (as required by Item 22(b)(15) of Schedule 14A), or this Item. ITEM 11. CONTROLS AND PROCEDURES. (a) Based upon their evaluation of the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940 (the "Act")) as conducted within 90 days of the filing date of this report on Form N-CSR, the registrant's principal financial officer and principal executive officer have concluded that those disclosure controls and procedures provide reasonable assurance that the material information required to be disclosed by the registrant on this report is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms. (b) There were no changes in the registrant's internal controls over financial reporting (as defined in Rule 30a-3(d) under the Act) that occurred during the second fiscal quarter of the period covered by the report that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 12. EXHIBITS. (a) File the exhibits listed below as part of this Form. Letter or number the exhibits in the sequence indicated. (1) Any code of ethics, or amendment thereto, that is the subject of the disclosure required by Item 2, to the extent that the registrant intends to satisfy the Item 2 requirements through filing of an exhibit. (2) A separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2 under the Act (17 CFR 270.30a-2): Attached hereto. (b) If the report is filed under Section 13(a) or 15(d) of the Exchange Act, provide the certifications required by Rule 30a-2(b) under the Act (17 CFR 270.30a-2(b)), Rule 13a-14(b) or Rule 15d-14(b) under the Exchange Act (17 CFR 240.13a-14(b) or 240.15d-14(b)) and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350) as an exhibit. A certification furnished pursuant to this paragraph will not be deemed "filed" for the purposes of Section 18 of the Exchange Act (15 U.S.C. 78r), or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act, except to the extent that the registrant specifically incorporates it by reference: Attached hereto. NOTICE A copy of the Amended and Restated Declaration of Trust of the Registrant is on file with the Secretary of State of The Commonwealth of Massachusetts and notice is hereby given that this instrument is executed on behalf of the Registrant by an officer of the Registrant as an officer and not individually and the obligations of or arising out of this instrument are not binding upon any of the Trustees or shareholders individually, but are binding only upon the assets and property of the respective constituent series of the Registrant. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) MFS SERIES TRUST I ------------------------------------------------------------------ By (Signature and Title)* MARIA F. DWYER ----------------------------------------------------- Maria F. Dwyer, President Date: April 16, 2007 -------------- Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By (Signature and Title)* MARIA F. DWYER ----------------------------------------------------- Maria F. Dwyer, President (Principal Executive Officer) Date: April 16, 2007 -------------- By (Signature and Title)* TRACY ATKINSON ----------------------------------------------------- Tracy Atkinson, Treasurer (Principal Financial Officer and Accounting Officer) Date: April 16, 2007 -------------- * Print name and title of each signing officer under his or her signature.