<Page> 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 No. 811-6670 --------------------------------------------------------------------- CREDIT SUISSE INSTITUTIONAL FUND, INC. --------------------------------------------------------------------- (Exact Name of Registrant as Specified in Charter) 466 Lexington Avenue, New York, New York 10017-3140 --------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) Hal Liebes, Esq. Credit Suisse Institutional Fund, Inc. 466 Lexington Avenue New York, New York 10017-3147 Registrant's telephone number, including area code:(212) 875-3500 Date of fiscal year end: October 31, 2003 Date of reporting period: April 30, 2003 ITEM 1. REPORTS TO STOCKHOLDERS. <Page> [CREDIT SUISSE ASSET MANAGEMENT LOGO] CREDIT SUISSE INTERNATIONAL FUND SEMIANNUAL REPORT APRIL 30, 2003 (UNAUDITED) CREDIT SUISSE INSTITUTIONAL FUND, INC. - - INTERNATIONAL FOCUS PORTFOLIO MORE COMPLETE INFORMATION ABOUT THE FUND AND THE PORTFOLIO, INCLUDING CHARGES AND EXPENSES, IS PROVIDED IN THE PROSPECTUS, WHICH MUST PRECEDE OR ACCOMPANY THIS DOCUMENT AND WHICH SHOULD BE READ CAREFULLY BEFORE INVESTING. YOU MAY OBTAIN ADDITIONAL COPIES BY CALLING 800-222-8977 OR BY WRITING TO CREDIT SUISSE INSTITUTIONAL FUND, P.O. BOX 55030, BOSTON, MA 02205-5030. CREDIT SUISSE ASSET MANAGEMENT SECURITIES, INC., DISTRIBUTOR, IS LOCATED AT 466 LEXINGTON AVE., NEW YORK, NY 10017-3140. CREDIT SUISSE INSTITUTIONAL FUND IS ADVISED BY CREDIT SUISSE ASSET MANAGEMENT, LLC. <Page> THE PORTFOLIO'S INVESTMENT ADVISER AND CO-ADMINISTRATORS MAY WAIVE SOME FEES AND/OR REIMBURSE SOME EXPENSES, WITHOUT WHICH PERFORMANCE WOULD BE LOWER. WAIVERS AND/OR REIMBURSEMENTS ARE SUBJECT TO CHANGE. RETURNS INCLUDE CHANGES IN SHARE PRICE AND REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS. PAST PERFORMANCE CANNOT GUARANTEE FUTURE RESULTS. RETURNS AND SHARE PRICE WILL FLUCTUATE, AND REDEMPTION VALUE MAY BE MORE OR LESS THAN ORIGINAL COST. THE VIEWS OF THE PORTFOLIO'S MANAGEMENT ARE AS OF THE DATE OF THE LETTER AND THE PORTFOLIO HOLDINGS DESCRIBED IN THIS DOCUMENT ARE AS OF APRIL 30, 2003; THESE VIEWS AND PORTFOLIO HOLDINGS MAY HAVE CHANGED SUBSEQUENT TO THESE DATES. NOTHING IN THIS DOCUMENT IS A RECOMMENDATION TO PURCHASE OR SELL SECURITIES. PORTFOLIO SHARES ARE NOT DEPOSITS OR OTHER OBLIGATIONS OF CREDIT SUISSE ASSET MANAGEMENT, LLC ("CSAM") OR ANY AFFILIATE, ARE NOT FDIC-INSURED AND ARE NOT GUARANTEED BY CSAM OR ANY AFFILIATE. <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO SEMIANNUAL INVESTMENT ADVISER'S REPORT April 30, 2003 May 21, 2003 Dear Shareholder: For the six months ended April 30, 2003, Credit Suisse Institutional Fund, Inc. -- International Focus Portfolio(1) (the "Portfolio") had a gain of 1.66%, versus an increase of 3.09% for the Morgan Stanley Capital International ACWI (All Country World Index) Free Ex-USA Index.(2) The world's equity markets were highly volatile in the period, as investors struggled to assess the threat and reality of the Iraq war, and the likely speed and success of that conflict. Prices of equities, bonds, oil and gold gyrated in reaction to the war-related news flow. In the end, most countries saw their markets rise, reflecting a strong mid-March through April rally, as various worst-case scenarios (regarding energy costs, the expense of a lengthy war, etc.) suddenly appeared unlikely. In terms of noteworthy currency trends, the euro strengthened vs. the U.S. dollar. Investors sold U.S. dollars and bought euros in the belief that U.S. military commitments would strain the country's economy and add to its budget deficit. Against this backdrop, the Fund had a gain, yet lagged its benchmark. We attribute this primarily to the Portfolio's Asian holdings, most specifically its South Korean stocks, which fell on political tensions along with worries over SARS, the highly infectious respiratory disease associated primarily with Asian countries (as of this writing). On the positive side, the Portfolio's European stocks outperformed. Through the period, the market's volatility supplied numerous opportunities to purchase what we deemed to be good businesses trading at attractive valuations. We added to our holdings in the telecom, materials and health care sectors. The bulk of these new purchases were in Europe, consistent with the sharp downturns in European markets during the period. On the sell side, we substantially reduced our exposure to consumer discretionary companies, primarily in the auto and media areas. We are skeptical that consumer spending in general can continue at the high growth rates seen over the past few years. On a similar theme, we also reduced our exposure to consumer-oriented banks in Australia, Ireland and Singapore. From a broad regional perspective, we believe that European equities have compelling valuations, compared with both their historical valuations and valuations currently found in other developed markets. The combination of high dividend yields -- dividends, in our view, have become increasingly important to investors, as growth remains pedestrian -- and low bond yields 1 <Page> has created what we deem to be some unique opportunities, where a seemingly secure dividend yield can exceed the same company's bond yield by as much as two percentage points. These anomalies currently exist in the banking, telecom and basic materials sectors in Europe. Finally, we have lately been finding interesting restructuring stories in the European insurance and telecom areas. (In these areas and elsewhere, we attempt to identify "self help" situations, such as a change in management and/or a recapitalization.) We significantly reduced our holdings in non-Japan Asia. Non-Japan Asia had been a major overweight for us over much of the past three years, due to our view of the attractive valuations and above average-growth rates we saw among many companies in the region. We have become increasingly concerned with the financial industry in South Korea, which has been negatively impacted by bad loans in the consumer sector. The tension with North Korea has also become a major negative factor that remains difficult to quantify. We also pared exposure to Singapore and Hong Kong, both of which show languishing growth. We remain underweighted in Japan, as growth prospects and economic reform efforts continue to disappoint. The Japanese banking sector was recently forced by the government's Financial Services Agency to increase its bad loan estimates and raise large amounts of new capital. Unable to raise the funds domestically, many banks were forced to raise capital from U.S. investment banks on very unattractive terms. Not surprisingly, Japanese banks have been among the worst performing sectors over the past year. We do not currently hold any Japanese bank shares, as we expect the banks to need to raise additional equity capital over the next 12 to 18 months. Going forward, we will continue to attempt to take advantage of market dips, within an investment universe that we believe is offering generally attractive valuations. We expect to continue to add to economically sensitive industries, as we think growth prospects might improve over the next 12 months. Vincent J.McBride Nancy Nierman Todd Jacobson Co-Portfolio Manager Co-Portfolio Manager Co-Portfolio Manager INTERNATIONAL INVESTING ENTAILS SPECIAL RISK CONSIDERATIONS, INCLUDING CURRENCY FLUCTUATIONS, LOWER LIQUIDITY, ECONOMIC AND POLITICAL RISKS, AND DIFFERENCES IN ACCOUNTING METHODS. THE PORTFOLIO'S 15 LARGEST HOLDINGS MAY ACCOUNT FOR 40% OR MORE OF THE PORTFOLIO'S ASSETS. AS A RESULT OF THIS STRATEGY, THE PORTFOLIO MAY BE SUBJECT TO GREATER VOLATILITY THAN A PORTFOLIO THAT INVESTS IN A LARGER NUMBER 2 <Page> IN ADDITION TO HISTORICAL INFORMATION, THIS REPORT CONTAINS FORWARD-LOOKING STATEMENTS, WHICH MAY CONCERN, AMONG OTHER THINGS, DOMESTIC AND FOREIGN MARKET, INDUSTRY AND ECONOMIC TRENDS AND DEVELOPMENTS AND GOVERNMENT REGULATION AND THEIR POTENTIAL IMPACT ON THE PORTFOLIO'S INVESTMENTS. THESE STATEMENTS ARE SUBJECT TO RISKS AND UNCERTAINTIES AND ACTUAL TRENDS, DEVELOPMENTS AND REGULATIONS IN THE FUTURE AND THEIR IMPACT ON THE PORTFOLIO COULD BE MATERIALLY DIFFERENT FROM THOSE PROJECTED, ANTICIPATED OR IMPLIED. THE PORTFOLIO HAS NO OBLIGATION TO UPDATE OR REVISE FORWARD-LOOKING STATEMENTS. AVERAGE ANNUAL RETURNS AS OF MARCH 31, 2003(1) <Table> <Caption> SINCE INCEPTION 1 YEAR 5 YEARS 10 YEARS INCEPTION DATE ------ ------- -------- --------- --------- (27.23%) (7.63%) 2.39% 3.31% 9/1/92 </Table> AVERAGE ANNUAL RETURNS AS OF APRIL 30, 2003(1) <Table> <Caption> SINCE INCEPTION 1 YEAR 5 YEARS 10 YEARS INCEPTION DATE ------ ------- -------- --------- --------- (19.41%) (6.20%) 2.82% 4.26% 9/1/92 </Table> Note: Past performance is not predictive of future performance. Investment return and principal value of an investment will fluctuate so that an investor's shares upon redemption may be worth more or less than their original cost. The performance results do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares. - ---------- (1) Fee waivers and/or expense reimbursements reduced expenses for the Portfolio, without which performance would be lower. Waivers and/or reimbursements may be discontinued at any time. (2) The Morgan Stanley Capital International ACWI (All Country World Index) Free Ex-USA Index is a free float-adjusted market capitalization index that is designed to measure equity-market performance in the global developed and emerging markets, excluding the U.S. It is the exclusive property of Morgan Stanley Capital International Inc. Investors cannot invest directly in an index. 3 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO SCHEDULE OF INVESTMENTS April 30, 2003 <Table> <Caption> NUMBER OF SHARES VALUE ------------ ------------ COMMON STOCKS (93.6%) AUSTRALIA (3.6%) AIRLINES (1.9%) Qantas Airways, Ltd. 440,650 $ 876,562 ------------ BANKS (1.7%) National Australia Bank, Ltd. 37,650 765,439 ------------ TOTAL AUSTRALIA 1,642,001 ------------ BRAZIL (1.4%) METALS & MINING (1.4%) Companhia Vale do Rio Doce ADR 11,630 325,175 Companhia Vale do Rio Doce ADR Class A 12,200 322,080 ------------ TOTAL BRAZIL 647,255 ------------ CHINA (2.3%) DIVERSIFIED TELECOMMUNICATION SERVICES (2.3%) China Telecom Corporation, Ltd. ADR* 53,700 1,020,300 ------------ TOTAL CHINA 1,020,300 ------------ DENMARK (1.2%) DIVERSIFIED TELECOMMUNICATION SERVICES (1.2%) TDC A/S 22,140 550,784 ------------ TOTAL DENMARK 550,784 ------------ FINLAND (3.1%) COMMUNICATIONS EQUIPMENT (1.0%) Nokia Oyj 25,867 437,633 ------------ PAPER & FOREST PRODUCTS (2.1%) Stora Enso Oyj 87,700 953,285 ------------ TOTAL FINLAND 1,390,918 ------------ FRANCE (12.4%) AUTOMOBILES (1.7%) PSA Peugeot Citroen 16,200 758,242 ------------ BANKS (3.3%) BNP Paribas SA 21,500 1,009,188 Societe Generale 7,652 467,972 ------------ 1,477,160 ------------ CONSTRUCTION & ENGINEERING (1.9%) Vinci SA 12,885 839,054 ------------ DIVERSIFIED TELECOMMUNICATION SERVICES (2.5%) France Telecom SA 48,178 1,111,837 ------------ INSURANCE (1.4%) Axa 42,600 647,041 ------------ MEDIA (1.6%) Lagardere S.C.A. 19,240 735,196 ------------ TOTAL FRANCE 5,568,530 ------------ </Table> See Accompanying Notes to Financial Statements. 4 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------ ------------ COMMON STOCKS (CONTINUED) GERMANY (5.5%) CHEMICALS (2.4%) BASF AG 24,170 $ 1,078,140 ------------ ELECTRIC UTILITIES (1.6%) E.ON AG 15,200 727,552 ------------ MACHINERY (1.5%) MAN AG 36,700 668,422 ------------ TOTAL GERMANY 2,474,114 ------------ HONG KONG (1.5%) ELECTRIC UTILITIES (1.5%) Hongkong Electric Holdings, Ltd. 164,700 665,216 ------------ TOTAL HONG KONG 665,216 ------------ HUNGARY (1.5%) BANKS (1.5%) OTP Bank Rt. 61,440 659,625 ------------ TOTAL HUNGARY 659,625 ------------ INDIA (1.2%) IT CONSULTING & SERVICES (1.2%) Satyam Computer Services, Ltd. 82,100 264,274 Satyam Computer Services, Ltd. ADR 35,650 274,505 ------------ TOTAL INDIA 538,779 ------------ IRELAND (4.2%) BANKS (4.2%) Allied Irish Banks PLC 60,500 931,749 Bank of Ireland 77,350 953,865 ------------ TOTAL IRELAND 1,885,614 ------------ JAPAN (13.4%) AUTOMOBILES (1.8%) Honda Motor Company, Ltd. 24,900 824,711 ------------ LEISURE EQUIPMENT & PRODUCTS (1.7%) Konica Corp. 82,000 750,143 ------------ OFFICE ELECTRONICS (2.0%) Canon, Inc. 22,000 889,150 ------------ PHARMACEUTICALS (1.6%) Takeda Chemical Industries, Ltd. 19,800 725,524 ------------ REAL ESTATE (1.7%) Mitsui Fudosan Company, Ltd. 143,000 769,797 ------------ SPECIALTY RETAIL (1.5%) Yamada Denki Company, Ltd. 35,900 692,353 ------------ </Table> See Accompanying Notes to Financial Statements. 5 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------ ------------ COMMON STOCKS (CONTINUED) JAPAN (CONCLUDED) TRADING COMPANIES & DISTRIBUTORS (1.4%) Mitsubishi Corp. 104,000 $ 618,279 ------------ WIRELESS TELECOMMUNICATION SERVICES (1.7%) NTT DoCoMo, Inc. 385 794,147 ------------ TOTAL JAPAN 6,064,104 ------------ MEXICO (0.3%) WIRELESS TELECOMMUNICATION SERVICES (0.3%) America Movil SA de CV ADR 8,700 147,706 ------------ TOTAL MEXICO 147,706 ------------ NETHERLANDS (5.0%) MACHINERY (1.7%) IHC Caland NV 14,930 770,612 ------------ OIL & GAS (1.7%) Royal Dutch Petroleum Co. 18,640 762,403 ------------ SEMICONDUCTOR EQUIPMENT & PRODUCTS (1.6%) ASML Holding NV* 82,420 711,931 ------------ TOTAL NETHERLANDS 2,244,946 ------------ NORWAY (2.6%) BANKS (2.6%) DnB Holding ASA 248,000 1,183,686 ------------ TOTAL NORWAY 1,183,686 ------------ RUSSIA (1.5%) INDUSTRIAL CONGLOMERATES (1.5%) YUKOS ADR 3,820 668,500 ------------ TOTAL RUSSIA 668,500 ------------ SINGAPORE (1.8%) BANKS (1.8%) United Overseas Bank, Ltd. 140,527 823,091 ------------ TOTAL SINGAPORE 823,091 ------------ SOUTH KOREA (3.3%) DIVERSIFIED TELECOMMUNICATION SERVICES (1.6%) KT Corp. ADR 36,300 734,712 ------------ SEMICONDUCTOR EQUIPMENT & PRODUCTS (1.7%) Samsung Electronics Company, Ltd. 3,030 760,617 ------------ TOTAL SOUTH KOREA 1,495,329 ------------ SPAIN (1.5%) ELECTRIC UTILITIES (1.5%) Endesa SA 46,100 653,899 ------------ TOTAL SPAIN 653,899 ------------ </Table> See Accompanying Notes to Financial Statements. 6 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------ ------------ COMMON STOCKS (CONCLUDED) SWEDEN (2.0%) MACHINERY (2.0%) SKF AB Series B 31,700 $ 918,481 ------------ TOTAL SWEDEN 918,481 ------------ SWITZERLAND (6.8%) FOOD PRODUCTS (2.0%) Nestle SA 4,350 886,806 ------------ INSURANCE (2.2%) Zurich Financial Services AG 9,500 1,001,622 ------------ PHARMACEUTICALS (2.6%) Novartis AG 30,050 1,185,339 ------------ TOTAL SWITZERLAND 3,073,767 ------------ UNITED KINGDOM (17.5%) BANKS (2.8%) Royal Bank of Scotland Group PLC 48,800 1,279,892 ------------ BEVERAGES (1.9%) Diageo PLC 79,100 877,366 ------------ FOOD PRODUCTS (2.8%) Cadbury Schweppes PLC 226,340 1,260,692 ------------ METALS & MINING (1.7%) Xstrata PLC* 85,690 762,150 ------------ OIL & GAS (2.0%) BG Group PLC 220,900 883,517 ------------ PHARMACEUTICALS (4.0%) AstraZeneca PLC 20,150 790,627 GlaxoSmithKline PLC 50,700 1,016,132 ------------ 1,806,759 ------------ WIRELESS TELECOMMUNICATION SERVICES (2.3%) Vodafone Group PLC 524,200 1,034,687 ------------ TOTAL UNITED KINGDOM 7,905,063 ------------ TOTAL COMMON STOCKS (Cost $39,145,095) 42,221,708 ------------ </Table> See Accompanying Notes to Financial Statements. 7 <Page> <Table> <Caption> PAR (000) VALUE ------- ------------ SHORT-TERM INVESTMENT (5.7%) State Street Bank and Trust Co. Euro Time Deposit, 1.188%, 5/01/03 (Cost $2,576,000) $ 2,576 $ 2,576,000 ------------ TOTAL INVESTMENTS AT VALUE (99.3%) (Cost $41,721,095) 44,797,708 OTHER ASSETS IN EXCESS OF LIABILITIES (0.7%) 323,583 ------------ NET ASSETS (100.0%) $ 45,121,291 ============ </Table> INVESTMENT ABBREVIATIONS ADR = American Depositary Receipt - ---------- * Non-income producing security. See Accompanying Notes to Financial Statements. 8 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO STATEMENT OF ASSETS AND LIABILITIES APRIL 30, 2003 (Unaudited) <Table> ASSETS Investments at value (Cost $41,721,095) (Note 1) $ 44,797,708 Cash 153 Foreign currency at value (Cost $441,781) 438,281 Receivable for investments sold 810,881 Dividend and interest receivable 285,344 Receivable for fund shares sold 6,599 Prepaid expenses 435 -------------- Total Assets 46,339,401 -------------- LIABILITIES Advisory fee payable (Note 2) 15,367 Administrative services fee payable (Note 2) 8,165 Payable for investments purchased 1,127,882 Other accrued expenses payable 66,696 -------------- Total Liabilities 1,218,110 -------------- NET ASSETS Capital stock, $0.001 par value (Note 5) 6,216 Paid-in capital (Note 5) 91,189,269 Undistributed net investment income 390,258 Accumulated net realized loss on investments and foreign currency transactions (49,538,867) Net unrealized appreciation from investments and foreign currency translations 3,074,415 -------------- Net Assets $ 45,121,291 ============== Shares outstanding 6,216,250 -------------- Net asset value, offering price, and redemption price per share $ 7.26 ============== </Table> See Accompanying Notes to Financial Statements. 9 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO STATEMENT OF OPERATIONS For the Six Months Ended April 30, 2003 (Unaudited) <Table> INVESTMENT INCOME (Note 1) Dividends $ 678,883 Interest 13,397 Foreign taxes withheld (97,727) -------------- Total investment income 594,553 -------------- EXPENSES Investment advisory fees (Note 2) 172,039 Administrative services fees (Note 2) 36,025 Printing fees (Note 2) 26,629 Registration fees 22,689 Legal fees 16,873 Custodian fees 13,591 Audit fees 10,341 Insurance expense 4,319 Transfer agent fees 2,781 Directors' fees 1,152 Miscellaneous expense 1,877 -------------- Total expenses 308,316 Less: fees waived (Note 2) (104,020) -------------- Net expenses 204,296 -------------- Net investment income 390,257 -------------- NET REALIZED AND UNREALIZED GAIN (LOSS) FROM INVESTMENTS AND FOREIGN CURRENCY RELATED ITEMS Net realized loss from investments (4,965,573) Net realized loss on foreign currency transactions (1,737) Net change in unrealized appreciation (depreciation) from investments 5,456,280 Net change in unrealized appreciation (depreciation) from foreign currency translations (9,456) -------------- Net realized and unrealized gain from investments and foreign currency related items 479,514 -------------- Net increase in net assets resulting from operations $ 869,771 ============== </Table> See Accompanying Notes to Financial Statements. 10 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO STATEMENTS OF CHANGES IN NET ASSETS <Table> <Caption> FOR THE SIX MONTHS ENDED FOR THE YEAR APRIL 30, 2003 ENDED (UNAUDITED) OCTOBER 31, 2002 ------------------- -------------------- FROM OPERATIONS Net investment income $ 390,257 $ 556,353 Net realized loss from investments and foreign currency transactions (4,967,310) (17,923,041) Net change in unrealized appreciation (depreciation) from investments and foreign currency translations 5,446,824 12,080,198 ------------------- -------------------- Net increase (decrease) in net assets resulting from operations 869,771 (5,286,490) ------------------- -------------------- FROM DIVIDENDS Dividends from net investment income (296,818) -- ------------------- -------------------- FROM CAPITAL SHARE TRANSACTIONS (Note 5) Proceeds from sale of shares 13,927,503 47,787,175 Reinvestment of dividends 294,006 -- Net asset value of shares redeemed (14,237,990) (93,557,377) ------------------- -------------------- Net decrease in net assets from capital share transactions (16,481) (45,770,202) ------------------- -------------------- Net increase (decrease) in net assets 556,472 (51,056,692) NET ASSETS Beginning of period 44,564,819 95,621,511 ------------------- -------------------- End of period $ 45,121,291 $ 44,564,819 =================== =================== UNDISTRIBUTED NET INVESTMENT INCOME $ 390,258 $ 296,819 =================== =================== </Table> See Accompanying Notes to Financial Statements. 11 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO FINANCIAL HIGHLIGHTS (For a Share of the Portfolio Outstanding Throughout Each Period) <Table> <Caption> FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED OCTOBER 31, APRIL 30, 2003 -------------------------------------------------------- (UNAUDITED) 2002 2001 2000 --------------- ---------------- ---------------- ---------------- PER SHARE DATA Net asset value, beginning of period $ 7.19 $ 8.13 $ 17.61 $ 18.85 --------------- ---------------- ---------------- ---------------- INVESTMENT OPERATIONS Net investment income 0.06 0.07(1) 0.09 0.22(1) Net gain (loss) on investments and foreign currency related items (both realized and unrealized) 0.06 (1.01) (3.18) (0.46) --------------- ---------------- ---------------- ---------------- Total from investment operations 0.12 (0.94) (3.09) (0.24) --------------- ---------------- ---------------- ---------------- LESS DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income (0.05) -- (0.21) (0.78) Distributions from net realized gains -- -- (6.18) (0.22) --------------- ---------------- ---------------- ---------------- Total dividends and distributions (0.05) -- (6.39) (1.00) --------------- ---------------- ---------------- ---------------- NET ASSET VALUE, END OF PERIOD $ 7.26 $ 7.19 $ 8.13 $ 17.61 =============== ================ ================ ================ Total return(2) 1.66% (11.56)% (26.56)% (1.98)% RATIOS AND SUPPLEMENTAL DATA Net assets, end of period (000s omitted) $ 45,121 $ 44,565 $ 95,622 $ 356,004 Ratio of expenses to average net assets(3) 0.95%(4) 0.95% 0.95% 0.97% Ratio of net investment income to average net assets 1.81%(4) 0.87% 0.61% 0.74% Decrease reflected in above operating expense ratios due to waivers/ reimbursements 0.48%(4) 0.39% 0.23% 0.19% Portfolio turnover rate 77% 161% 134% 111% <Caption> FOR THE YEAR ENDED OCTOBER 31, ----------------------------------- 1999 1998 --------------- ---------------- PER SHARE DATA Net asset value, beginning of period 14.41 $ 16.51 --------------- ---------------- INVESTMENT OPERATIONS Net investment income 0.20(1) 0.21 Net gain (loss) on investments and foreign currency related items (both realized and unrealized) 4.38 (0.91) --------------- ---------------- Total from investment operations 4.58 (0.70) --------------- ---------------- LESS DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income (0.14) (0.18) Distributions from net realized gains -- (1.22) --------------- ---------------- Total dividends and distributions (0.14) (1.40) --------------- ---------------- NET ASSET VALUE, END OF PERIOD $ 18.85 14.41 =============== ================ Total return(2) 32.02% (4.11)% RATIOS AND SUPPLEMENTAL DATA Net assets, end of period (000s omitted) $ 551,830 $ 1,019,242 Ratio of expenses to average net assets(3) 0.96% 0.95 Ratio of net investment income to average net assets 1.23% 1.21% Decrease reflected in above operating expense ratios due to waivers/ reimbursements 0.17% 0.13% Portfolio turnover rate 120% 114% </Table> - ---------- (1) Per share information is calculated using the average share outstanding method. (2) Total returns are historical and assume changes in share price and reinvestments of all dividends and distributions. Had certain expenses not been reduced during the periods shown, total returns would have been lower. Total returns for periods less than one year are not annualized. (3) Interest earned on uninvested cash balances is used to offset portions of the transfer agent expense. These arrangements resulted in a reduction to the net expense ratio by .00%, .02%, .01% and .00% for the years ended October 31, 2001, 2000, 1999, and 1998, respectively. The net operating expense ratio after these arrangements was .95% for the years ended October 31, 2001, 2000, 1999, and 1998, respectively. For the year ended October 31, 2002, and the six months ended April 30, 2003, there were no transfer agent credits. (4) Annualized. See Accompanying Notes to Financial Statements. 12 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO NOTES TO FINANCIAL STATEMENTS April 30, 2003 (Unaudited) NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Credit Suisse Institutional Fund, Inc. (the "Fund"), is registered under the Investment Company Act of 1940, as amended, as an open-end management investment company and currently offers seven managed investment funds, one of which, the International Focus Portfolio (the "Portfolio"), is contained in this report. The Portfolio is classified as diversified and has long-term capital appreciation as its investment objective. The Fund was incorporated under the laws of the State of Maryland on May 14, 1992. A) SECURITY VALUATION -- The net asset value of the Portfolio is determined daily as of the close of regular trading on the New York Stock Exchange, Inc. on each day the Exchange is open for business. The Portfolio's equity investments are valued at market value, which is generally determined using the closing price on the exchange or market on which the security is primarily traded. If no sales are reported, equity investments are generally valued at the most recent bid price. Debt securities with a remaining maturity greater than 60 days are valued on the basis of broker quotations or valuations provided by a pricing service that may use a matrix, formula or other objective method that takes into consideration market indices, yield curves and other specific adjustments. Securities and other assets for which market quotations are not readily available are valued at fair value as determined in good faith by the Board of Directors under procedures established by the Board of Directors in the absence of readily ascertainable market values. Debt obligations that will mature in 60 days or less are valued on the basis of amortized cost, which approximates market value, unless the Board determines that using this method would not reflect an investment's fair value. B) FOREIGN CURRENCY TRANSACTIONS -- The books and records of the Portfolio are maintained in U.S. dollars. Transactions denominated in foreign currencies are recorded at the current prevailing exchange rates. All assets and liabilities denominated in foreign currencies are translated into U.S. dollar amounts at the current exchange rate at the end of the period. Translation gains or losses resulting from changes in the exchange rate during the reporting period and realized gains and losses on the settlement of foreign currency transactions are reported in the results of operations for the current period. The Portfolio does not isolate that portion of realized gains and losses on investments in equity securities which is due to changes in the foreign exchange rate from that which is due to changes in market prices of equity securities. The Portfolio isolates that portion of realized gains and losses on investments in debt securities which is due to changes in the 13 <Page> foreign exchange rate from that which is due to changes in market prices of debt securities. C) SECURITY TRANSACTIONS AND INVESTMENT INCOME -- Security transactions are accounted for on a trade date basis. Interest income is recorded on the accrual basis. Dividends are recorded on the ex-dividend date. The cost of investments sold is determined by use of the specific identification method for both financial reporting and income tax purposes. D) DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS -- Dividends from net investment income and distributions of net realized capital gains, if any, are declared and paid at least annually. However, to the extent that a net realized capital gain can be reduced by a capital loss carryover, such gain will not be distributed. Income and capital gain distributions are determined in accordance with federal income tax regulations which may differ from accounting principles generally accepted in the United States of America ("GAAP"). E) FEDERAL INCOME TAXES -- No provision is made for federal taxes as it is the Fund's intention to have the Portfolio continue to qualify for and elect the tax treatment applicable to regulated investment companies under the Internal Revenue Code of 1986, as amended, and make the requisite distributions to its shareholders which will be sufficient to relieve it from federal income and excise taxes. F) USE OF ESTIMATES -- The preparation of financial statements in conformity with GAAP 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 these estimates. G) SHORT-TERM INVESTMENTS -- The Portfolio, together with other funds/portfolios advised by Credit Suisse Asset Management, LLC ("CSAM"), an indirect, wholly-owned subsidiary of Credit Suisse Group, pool available cash into a short-term time deposit issued by State Street Bank and Trust Company ("SSB"), the Portfolio's custodian. The short-term time deposit is a variable rate account classified as a short-term investment. H) FORWARD FOREIGN CURRENCY CONTRACTS -- The Portfolio may enter into forward foreign currency contracts for the purchase or sale of a specific foreign currency at a fixed price on a future date. Risks may arise 14 <Page> upon entering into these contracts from the potential inability of counterparties to meet the terms of their contracts and from unanticipated movements in the value of a foreign currency. The Portfolio will enter into forward foreign currency contracts primarily for hedging purposes. Forward foreign currency contracts are adjusted by the daily exchange rate of the underlying currency and any gains or losses are recorded for financial statement purposes as unrealized until the contract settlement date or an offsetting position is entered into. At April 30, 2003, the Portfolio had no open forward foreign currency contracts. I) SECURITIES LENDING -- Loans of securities are required at all times to be secured by collateral at least equal to 102% of the market value of domestic securities on loan including any accrued interest thereon and 105% of the market value of foreign securities on loan including any accrued interest thereon. Cash collateral received by the Portfolio in connection with securities lending activity may be invested in a variety of investments including certain CSAM-advised funds or the AIM Institutional Funds -- Liquid Asset Portfolio. However, in the event of default or bankruptcy by the other party to the agreement, realization and/or retention of the collateral may be subject to legal proceedings. The Portfolio had no securities out on loan during the six months ended April 30, 2003. Credit Suisse First Boston ("CSFB"), an affiliate of CSAM, has been engaged by the Portfolio to act as the Portfolio's securities lending agent. Prior to April 1, 2003, CSFB had agreed to charge the Portfolio fees for its securities lending activities equal to its costs in providing services as securities lending agent and had voluntarily waived such fees through March 31, 2003. Effective April 1, 2003, the Portfolio and CSFB entered into an arrangement to share the income earned from securities lending activities, whereby, generally, the Portfolio will receive 75% and CSFB will receive 25% of the income, in accordance with the provisions of the securities lending agency agreement. If CSFB should enter into a securities lending agency agreement with another comparable investment company client under which it will receive a smaller proportion of the fees, its fee agreement with the Portfolio shall be reduced to such lower fee amount. J) OTHER -- The Portfolio may invest in securities of foreign countries and governments which involve certain risks in addition to those inherent in domestic investments. Such risks generally include, among others, currency risk (fluctuations in currency exchange rates), information risk (key information may be inaccurate or unavailable) and political risk (expropriation, 15 <Page> nationalization or the imposition of capital or currency controls or punitive taxes). Other risks of investing in foreign securities include liquidity and valuation risks. The Portfolio may be subject to taxes imposed by countries in which it invests, with respect to its investments in issuers existing or operating in such countries. Such taxes are generally based on income earned or repatriated and capital gains realized on the sale of such investments. The Portfolio accrues such taxes when the related income or gains are earned. The Portfolio may invest up to 10% of its net assets in non-publicly traded securities. Non-publicly traded securities may be less liquid than publicly traded securities. Although these securities may be resold in privately negotiated transactions, the prices realized from such sales could differ from the price originally paid by the Portfolio or the current carrying values, and the difference could be material. NOTE 2. TRANSACTIONS WITH AFFILIATES AND RELATED PARTIES CSAM serves as investment adviser for the Portfolio. For its investment advisory services, CSAM is entitled to receive a fee from the Portfolio at an annual rate of 0.80% of the Portfolio's average daily net assets. For the six months ended April 30, 2003, investment advisory fees earned and voluntarily waived were $172,039 and $104,020, respectively. Credit Suisse Asset Management Limited (CSAM U.K.) ("CSAM Ltd. U.K."), Credit Suisse Asset Management Limited (CSAM Japan) ("CSAM Ltd. Japan") and Credit Suisse Asset Management Limited (CSAM Australia) ("CSAM Ltd. Australia") each an affiliate of CSAM, are sub-investment advisers to the Portfolio. CSAM Ltd. U.K., CSAM Ltd. Japan, and CSAM Ltd. Australia's sub-investment advisory fees are paid by CSAM out of CSAM's net investment advisory fee and are not paid by the Portfolio. Credit Suisse Asset Management Securities, Inc. ("CSAMSI"), an affiliate of CSAM, and SSB, serve as co-administrators to the Portfolio. For its co-administrative services, CSAMSI currently receives a fee calculated at an annual rate of 0.10% of the Portfolio's average daily net assets. For the six months ended April 30, 2003, co-administrative services fees earned by CSAMSI were $21,505. For its co-administrative services, SSB receives a fee, exclusive of out-of-pocket expenses, based upon the following fee structure calculated in total 16 <Page> for all the Credit Suisse Funds/Portfolios co-administered by SSB and allocated based upon relative average net assets of each fund/portfolio. <Table> <Caption> AVERAGE DAILY NET ASSETS ANNUAL RATE ------------------------ ----------- First $ 5 billion .050% of average daily net assets Next $ 5 billion .035% of average daily net assets Over $ 10 billion .020% of average daily net assets </Table> For the six months ended April 30, 2003, co-administrative service fees earned by SSB (including out-of-pocket expenses) were $14,520. Merrill Corporation ("Merrill"), an affiliate of CSAM, has been engaged by the Portfolio to provide certain financial printing and fulfillment services. For the six months ended April 30, 2003, Merrill was paid $6,326 for its services to the Portfolio. NOTE 3. LINE OF CREDIT The Portfolio, together with other funds/portfolios advised by CSAM (collectively, the "Participating Funds"), participates in a $150 million committed, unsecured line of credit facility ("Credit Facility") with Deutsche Bank, A.G. as administrative agent and syndication agent and State Street Bank and Trust Company as operations agent for temporary or emergency purposes. Under the terms of the Credit Facility, the Participating Funds pay an aggregate commitment fee at a rate of 0.10% per annum on the average unused amount of the Credit Facility, which is allocated among the Participating Funds in such manner as is determined by the governing Boards of the Participating Funds. In addition, the Participating Funds pay interest on borrowings at the Federal Funds rate plus 0.50%. At April 30, 2003 the Portfolio had no loans under the Credit Facility. During the six months ended April 30, 2003, the Portfolio had borrowings under the Credit Facility as follows: <Table> <Caption> AVERAGE DAILY WEIGHTED AVERAGE MAXIMUM DAILY LOAN BALANCE INTEREST RATE % LOAN OUTSTANDING ------------- ---------------- ---------------- $ 4,514,000 1.758% $ 4,744,000 </Table> NOTE 4. PURCHASES AND SALES OF SECURITIES For the six months ended April 30, 2003, purchases and sales of investment securities (excluding short-term investments) were $32,863,841 and $ 31,975,945, respectively. 17 <Page> At April 30, 2003, the identified cost for federal income tax purposes, as well as the gross unrealized appreciation from investments for those securities having an excess of value over cost, gross unrealized depreciation from investments for those securities having an excess of cost over value and the net unrealized appreciation (depreciation) from investments were: $41,721,095, $4,296,252, $(1,219,639) and $3,076,613, respectively. NOTE 5. CAPITAL SHARE TRANSACTIONS The Fund is authorized to issue up to sixteen billion full and fractional shares of common stock of separate series having a $.001 par value per share. Shares of seven series have been classified, one of which constitutes the interest in the Portfolio. Transactions in capital shares of the Portfolio were as follows: <Table> <Caption> FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED APRIL 30, 2003 (UNAUDITED) OCTOBER 31, 2002 -------------------------- -------------------- Shares sold 2,023,253 5,543,906 Shares issued in reinvestment of dividends 40,891 -- Shares redeemed (2,043,810) (11,109,322) ---------- ----------- Net increase (decrease) 20,334 (5,565,416) ========== =========== </Table> On April 30, 2003, the number of shareholders that held 5% or more of the outstanding shares of the Fund were as follows: <Table> <Caption> NUMBER OF APPROXIMATE PERCENTAGE SHAREHOLDERS OF OUTSTANDING SHARES ------------ ---------------------- 5 83% </Table> Some of the shareholders are comprised of omnibus accounts, which are held on behalf of several individual shareholders. NOTE 6. PROPOSED REORGANIZATION On May 20, 2003, the Board of Directors of the Fund, approved a proposed reorganization (the "Reorganization") with Credit Suisse Institutional International Fund, Inc. ("International Fund"). If the Reorganization is completed, each shareholder of the International Fund would become a shareholder of the Portfolio and would receive on a tax-free basis shares of the Portfolio with the same aggregate net asset value as their shares of the International Fund. Completion of the Reorganization requires the approval of the shareholders of the International Fund. 18 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO SHAREHOLDER MEETING RESULTS (UNAUDITED) A special meeting of shareholders of the Credit Suisse Institutional Fund, Inc. -- International Focus Portfolio (the "Portfolio") was held at 466 Lexington Avenue, 16th Floor, New York, NY 10017 on April 11, 2003 and adjourned to May 2, 2003 and May 16, 2003. The following matters were voted upon by the shareholders of the Portfolio and the results are presented below. Shares delivered not voted are included on the total for the proposals. All proposals were approved except proposal 4, which required the affirmative vote of a majority of the shares of the Fund. 1. To Elect the Following Nominees as Directors: <Table> <Caption> FOR WITHHELD --------- -------- Richard H. Francis 4,434,328 303,804 Jack W. Fritz 4,434,328 303,804 Joseph D. Gallagher 4,434,328 303,804 Jeffrey E. Garten 4,433,806 304,326 Peter F. Krogh 4,434,328 303,804 James S. Pasman, Jr. 4,434,328 303,804 Steven N. Rappaport 4,434,328 303,804 William W. Priest 4,433,806 304,326 Total Eligible Shares 6,125,844 Total Shares Voted 4,738,132 % of Shares Voted 77.35% </Table> 2-A. To Modify the Fundamental Investment Restriction on Borrowing Money: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,378,132 71.47% 92.40% Against 3,666 0.06% 0.08% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 2-B. To Modify the Fundamental Investment Restriction on Lending: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,378,133 71.47% 92.40% Against 3,278 0.05% 0.07% Abstain 304,191 4.97% 6.42% Broker Non-votes 52,530 0.86% 1.11% </Table> 2-C. To Modify the Fundamental Investment Restriction on Real Estate Investments: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,378,086 71.47% 92.40% Against 3,712 0.06% 0.08% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 19 <Page> 2-D. To Remove the Fundamental Investment Restriction on Short Sales: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,377,699 71.46% 92.39% Against 3,712 0.06% 0.08% Abstain 304,191 4.97% 6.42% Broker Non-votes 52,530 0.86% 1.11% </Table> 2-E. To Remove the Fundamental Investment Restriction on Margin Transactions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,378,444 71.48% 92.41% Against 3,354 0.06% 0.07% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 2-F. To Remove the Fundamental Investment Restriction on Investments in Oil, Gas and Mineral Programs: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,378,086 71.47% 92.40% Against 3,712 0.06% 0.08% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 2-G. To Remove the Fundamental Investment Restriction on Investments in Securities of Issuers That Have Been in Operation Less than Three Years: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,380,361 71.51% 92.45% Against 1,437 0.02% 0.03% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 2-H. To Remove the Fundamental Investment Restriction on Pledging Assets: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,378,520 71.48% 92.41% Against 3,278 0.05% 0.07% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 20 <Page> 2-I. To Remove the Fundamental Investment Restriction on Investments in Securities Issued by Other Investment Companies: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,381,419 71.52% 92.47% Against 379 0.01% 0.01% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 2-J. To Remove the Fundamental Investment Restriction on Acquiring More than 10% of Voting Securities of Any One Issuer: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,374,677 71.41% 92.33% Against 7,121 0.12% 0.15% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 3. To Change the Fund's Investment Objective from Fundamental to Non-Fundamental: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,376,151 71.44% 92.36% Agai nst 5,647 0.09% 0.12% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,530 0.86% 1.11% </Table> 4. To Amend the Charter Document to Allow Involuntary Redemptions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED --------- ----------------- ------------ For 4,378,728 71.48% 92.42% Against 3,069 0.05% 0.06% Abstain 303,804 4.96% 6.41% Broker Non-votes 52,531 0.86% 1.11% </Table> 21 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INTERNATIONAL FOCUS PORTFOLIO PRIVACY POLICY NOTICE We are committed to maintaining the privacy of every current and prospective customer. We recognize that you entrust important personal information to us, and we wish to assure you that we take seriously our responsibilities in protecting and safeguarding this information. In connection with making available investment products and services to current and potential customers, we may obtain nonpublic personal information about you. This information may include your name, address, e-mail address, social security number, account number, assets, income, financial situation, transaction history and other personal information. We may collect nonpublic information about you from the following sources: - Information we receive on applications, forms, questionnaires, web sites, agreements or in the course of establishing or maintaining a customer relationship; and - Information about your transactions with us, our affiliates, or others. We do not disclose any nonpublic personal information about our customers or former customers to anyone, except with your consent or as otherwise permitted by law. In cases where we believe that additional products and services may be of interest to you, we may share the information described above with our affiliates. We may also disclose this information to firms that perform services on our behalf. These agents and service providers are required to treat the information confidentially and use it only for the purpose for which it is provided. We restrict access to nonpublic personal information about you to those employees, agents or other parties who need to know that information to provide products or services to you or in connection with your investments with or through us. We maintain physical, electronic and procedural safeguards that comply with federal standards to guard your nonpublic personal information. NOTE: THIS NOTICE IS PROVIDED TO CLIENTS AND PROSPECTIVE CLIENTS OF CREDIT SUISSE ASSET MANAGEMENT, LLC ("CSAM"), CSAM CAPITAL INC., AND CREDIT SUISSE ASSET MANAGEMENT SECURITIES, INC., AND SHAREHOLDERS AND PROSPECTIVE SHAREHOLDERS IN CSAM SPONSORED AND ADVISED INVESTMENT COMPANIES, INCLUDING CREDIT SUISSE FUNDS, AND OTHER CONSUMERS AND CUSTOMERS, AS APPLICABLE. THIS NOTICE IS NOT INTENDED TO BE INCORPORATED IN ANY OFFERING MATERIALS BUT IS MERELY A STATEMENT OF OUR CURRENT PRIVACY POLICY, AND MAY BE AMENDED FROM TIME TO TIME UPON NOTICE TO YOU. THIS NOTICE IS DATED AS OF MAY 20, 2003. 22 <Page> This page intentionally left blank <Page> This page intentionally left blank <Page> [CREDIT SUISSE INSTITUTIONAL FUND LOGO] P.O. BOX 55030, BOSTON, MA 02205-5030 800-222-8977 - www.csam-americas.com CREDIT SUISSE ASSET MANAGEMENT SECURITIES, INC., DISTRIBUTOR. CSINI-3-0403 <Page> [CREDIT SUISSE ASSET MANAGEMENT LOGO] CREDIT SUISSE INSTITUTIONAL FUND SEMIANNUAL REPORT APRIL 30, 2003 (UNAUDITED) CREDIT SUISSE INSTITUTIONAL FUND, INC. - - LARGE CAP VALUE PORTFOLIO - - SMALLCAP GROWTH PORTFOLIO - - SELECT EQUITY PORTFOLIO - - CAPITAL APPRECIATION PORTFOLIO - - HARBINGER PORTFOLIO - - INVESTMENT GRADE FIXED INCOME PORTFOLIO MORE COMPLETE INFORMATION ABOUT THE FUND AND THE PORTFOLIOS, INCLUDING CHARGES AND EXPENSES, IS PROVIDED IN THE, WHICH MUST PRECEDE OR ACCOMPANY THIS DOCUMENT AND WHICH SHOULD BE READ CAREFULLY BEFORE INVESTING. YOU MAY OBTAIN ADDITIONAL COPIES BY CALLING 800-222-8977 OR BY WRITING TO CREDIT SUISSE INSTITUTIONAL FUND, P.O. BOX 55030, BOSTON, MA 02205-5030. CREDIT SUISSE ASSET MANAGEMENT SECURITIES, INC., DISTRIBUTOR, IS LOCATED AT 466 LEXINGTON AVE., NEW YORK, NY 10017-3147. CREDIT SUISSE INSTITUTIONAL FUND IS ADVISED BY CREDIT SUISSE ASSET MANAGEMENT, LLC. <Page> THE PORTFOLIOS' INVESTMENT ADVISER AND CO-ADMINISTRATORS MAY WAIVE SOME FEES AND/OR REIMBURSE SOME EXPENSES, WITHOUT WHICH PERFORMANCE WOULD BE LOWER. WAIVERS AND/OR REIMBURSEMENTS ARE SUBJECT TO CHANGE. RETURNS INCLUDE CHANGE IN SHARE PRICE AND REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS. PAST PERFORMANCE CANNOT GUARANTEE FUTURE RESULTS. RETURNS AND SHARE PRICE WILL FLUCTUATE, AND REDEMPTION VALUE MAY BE MORE OR LESS THAN ORIGINAL COST. THE VIEWS OF THE PORTFOLIOS' MANAGEMENT ARE AS OF THE DATE OF THE LETTER AND THE PORTFOLIO HOLDINGS DESCRIBED IN THIS DOCUMENT ARE AS OF APRIL 30, 2003; THESE VIEWS AND PORTFOLIO HOLDINGS MAY HAVE CHANGED SUBSEQUENT TO THESE DATES. NOTHING IN THIS DOCUMENT IS A RECOMMENDATION TO PURCHASE OR SELL SECURITIES. FUND SHARES ARE NOT DEPOSITS OR OTHER OBLIGATIONS OF CREDIT SUISSE ASSET MANAGEMENT, LLC ("CSAM") OR ANY AFFILIATE, ARE NOT FDIC-INSURED AND ARE NOT GUARANTEED BY CSAM OR ANY AFFILIATE. <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- LARGE CAP VALUE PORTFOLIO SEMIANNUAL INVESTMENT ADVISER'S REPORT April 30, 2003 June 2, 2003 Dear Shareholder: For the six months ended April 30, 2003, Credit Suisse Institutional Fund, Inc. -- Large Cap Value Portfolio(1) (the "Portfolio") had a gain of 2.21%, versus an increase of 5.25% for the Russell 1000(R) Value Index.(2) The period was a volatile but ultimately positive one for the U.S. stock market. The threat of war, a soft economy and a clouded profit outlook hampered stocks through much of the period. Equities ended the period on a positive note, however, rallying in April in the wake of a seemingly swift and successful U.S.-led mission in Iraq. The quick end to the war supported stocks by lowering risk thresholds in general. It also calmed investors' worries over worst-case scenarios regarding energy costs, a key factor in the economy. Against this backdrop, the Portfolio had a gain but underperformed its benchmark. Stocks that hindered the Portfolio included certain technology and industrial-type holdings. Another factor that hampered performance was the Portfolio's overweighting in the consumer-staples sector, which struggled. On the positive side, stocks that contributed positively to the Portfolio's return included its consumer-discretionary, transportation and producer-durables holdings. We have a cautious intermediate-term view on corporate earnings. We think that earning growth will be sluggish for the next quarter at least, although we are more optimistic looking to the latter part of 2003. Assuming that the Iraq situation remains under control, we believe that Washington will be more and more likely to deliver a fiscal stimulus package. The Federal Reserve, meanwhile, seems to be in no hurry to raise interest rates. At some point, the benefits of historically low rates might prove more supportive of growth. In addition, oil prices have fallen back since spiking early this year. If the trend continues, it could have the equivalent effect of a tax cut, in terms of its impact on discretionary spending. For our part, we are operating on the assumption that stock selection, as opposed to sector re-allocation, will be key to performance this year. Within a variety of industries, our focus will remain on companies we deem to have good or improving cash flows, the ability and willingness to improve their balance sheets, and competitive products and services. The Credit Suisse Value Team 1 <Page> IN ADDITION TO HISTORICAL INFORMATION, THIS REPORT CONTAINS FORWARD-LOOKING STATEMENTS, WHICH MAY CONCERN, AMONG OTHER THINGS, DOMESTIC AND FOREIGN MARKET, INDUSTRY AND ECONOMIC TRENDS AND DEVELOPMENTS AND GOVERNMENT REGULATION AND THEIR POTENTIAL IMPACT ON THE PORTFOLIO'S INVESTMENTS. THESE STATEMENTS ARE SUBJECT TO RISKS AND UNCERTAINTIES AND ACTUAL TRENDS, DEVELOPMENTS AND REGULATIONS IN THE FUTURE AND THEIR IMPACT ON THE PORTFOLIO COULD BE MATERIALLY DIFFERENT FROM THOSE PROJECTED, ANTICIPATED OR IMPLIED. THE PORTFOLIO HAS NO OBLIGATION TO UPDATE OR REVISE FORWARD-LOOKING STATEMENTS. AVERAGE ANNUAL RETURNS AS OF MARCH 31, 2003(1) <Table> <Caption> ONE YEAR FIVE YEAR SINCE INCEPTION INCEPTION DATE - -------- --------- --------------- -------------- (21.65%) (0.75%) 3.31% 6/30/97 </Table> AVERAGE ANNUAL RETURNS AS OF APRIL 30, 2003(1) <Table> <Caption> ONE YEAR FIVE YEAR SINCE INCEPTION INCEPTION DATE - -------- --------- --------------- -------------- (14.64%) 0.13% 4.21% 6/30/97 </Table> Past performance is not predictive of future performance. Investment return and principal value of an investment will fluctuate so that an investor's shares upon redemption may be worth more or less than their original cost. The performance results do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. - ---------- (1) Fee waivers and/or expense reimbursements reduced expenses for the Portfolio, without which performance would be lower. Waivers and/or reimbursements may be discontinued at any time. (2) The Russell 1000(R) Value Index measures the performance of those companies in the Russell 1000(R) Index with lower price-to-book ratios and lower forecasted growth values. It is an unmanaged index of common stocks that includes reinvestment of dividends and is compiled by Frank Russell Company. Investors cannot invest directly in an index. 2 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- SMALL CAP GROWTH PORTFOLIO SEMIANNUAL INVESTMENT ADVISER'S REPORT April 30, 2003 June 2, 2003 Dear Shareholder: For the six months ended April 30, 2003, Credit Suisse Institutional Fund, Inc. -- Small Cap Growth Portfolio(1) (the "Portfolio") had a gain of 4.97%, versus an increase of 7.65% for the Russell 2000(R) Growth Index.(2) The period was a volatile but ultimately positive one for the U.S. stock market. The threat of war, a soft economy and a clouded profit outlook hampered stocks through much of the period. Equities ended the period on a positive note, however, rallying in April in the wake of a seemingly swift and successful U.S.-led mission in Iraq. The quick end to the war supported stocks by lowering risk thresholds in general. It also calmed investors' worries over worst-case scenarios regarding energy costs, a key factor in the economy. The Portfolio had a gain, yet underperformed its benchmark. We attribute this primarily to the Portfolio's financial-services and health-care stocks. While the Portfolio's holdings in both sectors collectively had positive returns in the period, they lagged the Portfolio's benchmark's return in these sectors. On the positive side, good performers for the Portfolio included its transportation and producer durables holdings. With respect to sector allocation, we increased our exposure to the technology area late in 2002. We added a number of software and electronic names based on their valuations and a better inventory backdrop; we have since trimmed or eliminated some of these positions, as they quickly tested our upside price disciplines. We remained overweighted in health care, based on the sector's relatively stable earnings growth within an uncertain economic environment. That said, we selectively sold some health-care stocks in early 2003. Elsewhere of note, we remained about neutrally weighted in energy. We believe that the economy may stay on a positive yet tepid growth path for the rest of the year, with a possible economic acceleration heading into 2004. Thus, while an easing of geopolitical risk could continue to support stocks for a while, a broad-based improvement in revenue growth could be forestalled. With much of the recent corporate profits coming from productivity gains, revenue growth in our view is necessary for sustainable earnings growth. For our part, we believe that individual stock selection is critical in this environment, and our focus will remain on companies we deem to have solid finances and compelling business plans. Elizabeth B. Dater Sammy Oh Co-Portfolio Manager Co-Portfolio Manager 3 <Page> INVESTMENTS IN SMALL COMPANIES MAY BE MORE VOLATILE AND LESS LIQUID THAN INVESTMENTS IN LARGER COMPANIES. IN ADDITION TO HISTORICAL INFORMATION, THIS REPORT CONTAINS FORWARD-LOOKING STATEMENTS, WHICH MAY CONCERN, AMONG OTHER THINGS, DOMESTIC AND FOREIGN MARKET, INDUSTRY AND ECONOMIC TRENDS AND DEVELOPMENTS AND GOVERNMENT REGULATION AND THEIR POTENTIAL IMPACT ON THE PORTFOLIO'S INVESTMENTS. THESE STATEMENTS ARE SUBJECT TO RISKS AND UNCERTAINTIES AND ACTUAL TRENDS, DEVELOPMENTS AND REGULATIONS IN THE FUTURE AND THEIR IMPACT ON THE PORTFOLIO COULD BE MATERIALLY DIFFERENT FROM THOSE PROJECTED, ANTICIPATED OR IMPLIED. THE PORTFOLIO HAS NO OBLIGATION TO UPDATE OR REVISE FORWARD-LOOKING STATEMENTS. AVERAGE ANNUAL RETURNS AS OF MARCH 31, 2003(1) <Table> <Caption> ONE YEAR FIVE YEAR SINCE INCEPTION INCEPTION DATE - -------- --------- --------------- -------------- (31.82%) (7.70%) 2.13% 12/29/95 </Table> AVERAGE ANNUAL RETURNS AS OF APRIL 30, 2003(1) <Table> <Caption> ONE YEAR FIVE YEAR SINCE INCEPTION INCEPTION DATE - -------- --------- --------------- -------------- (25.22%) (6.23%) 3.05% 12/29/95 </Table> Past performance is not predictive of future performance. Investment return and principal value of an investment will fluctuate so that an investor's shares upon redemption may be worth more or less than their original cost. The performance results do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. - ---------- (1) Fee waivers and/or expense reimbursements reduced expenses for the Portfolio, without which performance would be lower. Waivers and/or reimbursements may be discontinued at any time. (2) The Russell 2000(R) Growth Index measures the performance of those companies in the Russell 2000(R) Index with higher price-to-book ratios and higher forecasted growth values. It is an unmanaged index of common stocks that includes reinvestment of dividends and is compiled by Frank Russell Company. Investors cannot invest directly in an index. 4 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- SELECT EQUITY PORTFOLIO SEMIANNUAL INVESTMENT ADVISER'S REPORT April 30, 2003 June 2, 2003 Dear Shareholder: For the six months ended April 30, 2003, Credit Suisse Institutional Fund, Inc. -- Select Equity Portfolio(1) (the "Portfolio") had a gain of 3.37%, versus an increase of 4.48% for the Standard & Poor's 500 Index.(2) The U.S. equity market had volatile, yet ultimately positive performance in the period. Stocks struggled through much of the period, beset by war fears and by a weakening economic outlook. However, the market rallied in April, in the wake of a seemingly swift and successful U.S.-led mission in Iraq. The quick end to the war calmed investors' worries over worst-case scenarios regarding energy costs, a key factor in the economy. A plus for market sentiment were earnings reports from U.S. companies, which mostly met or exceeded consensus estimates. We note, however, that earnings were achieved through asset sales, lower corporate tax rates, favorable foreign exchange rates and other non-recurring means, rather than from improved sales or better pricing. The Portfolio had a gain, although it slightly lagged its benchmark. Most of the underperformance occurred in April, when certain of the Portfolio's financial-services and industrial holdings lagged the market. On the positive side, stocks that aided the Portfolio for the period included certain consumer-staples and energy stocks. We continue to believe that 2003 will likely be a year of benign economic growth. The easing of geopolitical risk may continue to support stocks for a while, though until there is a broad-based improvement in revenue growth, enabling companies to improve their balance sheets and increase their capital spending, we do not expect to see a sustainable rally. Within such an environment, we believe that individual stock selection will prove critical. In terms of sector allocation, we ended the period with an underweighting in financial services, due to our credit concerns and flattening margins, though we maintained investments in insurance companies that we believe have pricing power and limited credit exposure. We continued to underweight technology, given the remote likelihood of a near-term surge in capital spending, and we mostly avoided telecom and utility companies. Our meaningful overweights, as of April 30, were the energy and industrial sectors. D. Susan Everly Sheryl M. Hempel Co-Portfolio Manager Co-Portfolio Manager 5 <Page> Margaret D. Miller Sarah J. Dyer Co-Portfolio Manager Co-Portfolio Manager THE PORTFOLIO IS PERMITTED TO INVEST A GREATER PROPORTION OF ITS ASSETS IN THE SECURITIES OF A SMALLER NUMBER OF ISSUERS. AS A RESULT, THE PORTFOLIO MAY BE SUBJECT TO GREATER VOLATILITY WITH RESPECT TO ITS RESPECTIVE PORTFOLIO SECURITIES THAN A PORTFOLIO THAT IS MORE BROADLY DIVERSIFIED. IN ADDITION TO HISTORICAL INFORMATION, THIS REPORT CONTAINS FORWARD-LOOKING STATEMENTS, WHICH MAY CONCERN, AMONG OTHER THINGS, DOMESTIC AND FOREIGN MARKET, INDUSTRY AND ECONOMIC TRENDS AND DEVELOPMENTS AND GOVERNMENT REGULATION AND THEIR POTENTIAL IMPACT ON THE PORTFOLIO'S INVESTMENTS. THESE STATEMENTS ARE SUBJECT TO RISKS AND UNCERTAINTIES AND ACTUAL TRENDS, DEVELOPMENTS AND REGULATIONS IN THE FUTURE AND THEIR IMPACT ON THE PORTFOLIO COULD BE MATERIALLY DIFFERENT FROM THOSE PROJECTED, ANTICIPATED OR IMPLIED. THE PORTFOLIO HAS NO OBLIGATION TO UPDATE OR REVISE FORWARD-LOOKING STATEMENTS. AVERAGE ANNUAL RETURNS AS OF MARCH 31, 2003(1) <Table> <Caption> ONE YEAR SINCE INCEPTION INCEPTION DATE -------- --------------- -------------- (23.57%) (20.34%) 1/31/02 </Table> AVERAGE ANNUAL RETURNS AS OF APRIL 30, 2003(1) <Table> <Caption> ONE YEAR SINCE INCEPTION INCEPTION DATE -------- --------------- -------------- (14.18%) (15.26%) 1/31/02 </Table> Past performance is not predictive of future performance. Investment return and principal value of an investment will fluctuate so that an investor's shares upon redemption may be worth more or less than their original cost. The performance results do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. - ---------- (1) Fee waivers and/or expense reimbursements reduced expenses for the Portfolio, without which performance would be lower. Waivers and/or reimbursements may be discontinued at any time. (2) The Standard & Poor's 500 Index is an unmanaged index (with no defined investment objective) of common stocks, includes reinvestment of dividends, and is a registered trademark of McGraw-Hill Co., Inc. Investors cannot invest directly in an index. 6 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- CAPITAL APPRECIATION PORTFOLIO SEMIANNUAL INVESTMENT ADVISER'S REPORT April 30, 2003 June 2, 2003 Dear Shareholder: For the six months ended April 30, 2003, Credit Suisse Institutional Fund, Inc. -- Capital Appreciation Portfolio(1) (the "Portfolio") had a gain of 1.36%, versus an increase of 4.27% for the Russell 1000(R) Growth Index.(2) The period was a volatile but ultimately positive one for the U.S. stock market. The threat of war, a soft economy and a clouded profit outlook hampered stocks through much of the period. Equities ended the period on a positive note, however, rallying in April in the wake of a seemingly swift and successful U.S.-led mission in Iraq. The quick end to the war supported stocks by lowering risk thresholds in general. It also calmed investors' worries over worst-case scenarios regarding energy costs, a key factor in the economy. Against this backdrop, the Portfolio had a gain but underperformed its benchmark. Stocks that hindered the Portfolio included its pharmaceutical holdings and consumer-discretionary holdings. On the positive side, stocks that aided the Portfolio included specific producer durables holdings and an air-freight stock. In terms of sector strategy, we remained fairly well diversified in the period, with an overweighting in the consumer-discretionary area (including media stocks). We added to the health-care sector, where we were also overweighted as of the end of the period. We believe that the health-care sector is one of the better areas with respect to secular revenue generation, in an economy where revenue growth has been lackluster. One sector weighting we reduced was financial services, mostly on stock-specific factors. We pared or eliminated positions in certain companies that, while we believe them to be strong franchises, have a clouded intermediate-term earnings outlook. Elsewhere of note, we maintained a roughly neutral weighting in technology. Barring other military flare-ups anytime soon, we believe Washington may now be more inclined to deliver on tax cuts and other stimulus packages this year. That said, the economy might remain sluggish for a spell, with a material recovery in corporate earnings pushed out perhaps to the fourth quarter of 2003 or later. Amid the uncertainty, our focus will remain on identifying high-quality companies we feel have good or improving revenue growth and the potential for significant profit-margin gains as revenues rise. Jeffrey T. Rose Marian U. Pardo Co-Portfolio Manager Co-Portfolio Manager 7 <Page> IN ADDITION TO HISTORICAL INFORMATION, THIS REPORT CONTAINS FORWARD-LOOKING STATEMENTS, WHICH MAY CONCERN, AMONG OTHER THINGS, DOMESTIC AND FOREIGN MARKET, INDUSTRY AND ECONOMIC TRENDS AND DEVELOPMENTS AND GOVERNMENT REGULATION AND THEIR POTENTIAL IMPACT ON THE PORTFOLIO'S INVESTMENTS. THESE STATEMENTS ARE SUBJECT TO RISKS AND UNCERTAINTIES AND ACTUAL TRENDS, DEVELOPMENTS AND REGULATIONS IN THE FUTURE AND THEIR IMPACT ON THE PORTFOLIO COULD BE MATERIALLY DIFFERENT FROM THOSE PROJECTED, ANTICIPATED OR IMPLIED. THE PORTFOLIO HAS NO OBLIGATION TO UPDATE OR REVISE FORWARD-LOOKING STATEMENTS. AVERAGE ANNUAL RETURNS AS OF MARCH 31, 2003(1) <Table> <Caption> ONE YEAR SINCE INCEPTION INCEPTION DATE -------- --------------- -------------- (27.65%) (26.02%) 1/31/02 </Table> AVERAGE ANNUAL RETURNS AS OF APRIL 30, 2003(1) <Table> <Caption> ONE YEAR SINCE INCEPTION INCEPTION DATE -------- --------------- -------------- (16.72%) (20.86%) 1/31/02 </Table> Past performance is not predictive of future performance. Investment return and principal value of an investment will fluctuate so that an investor's shares upon redemption may be worth more or less than their original cost. The performance results do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. - ---------- (1) Fee waivers and/or expense reimbursements reduced expenses for the Portfolio, without which performance would be lower. Waivers and/or reimbursements may be discontinued at any time. (2) The Russell 1000(R) Growth Index measures the performance of those companies in the Russell 1000(R) Index with higher price-to-book ratios and higher forecasted growth values. It is an unmanaged index of common stocks that includes reinvestment of dividends and is compiled by Frank Russell Company. Investors cannot invest directly in an index. 8 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- HARBINGER PORTFOLIO SEMIANNUAL INVESTMENT ADVISER'S REPORT April 30, 2003 June 2, 2003 Dear Shareholder: Credit Suisse Institutional Fund, Inc. -- Harbinger Portfolio(1) (the "Portfolio") had a loss of 3.00% for the period beginning January 15, 2003 (the Portfolio's inception date) and ending April 30, 2003. By comparison, the Russell 2000(R) Growth Index and the Russell 2500(TM) Growth Index(2) had same-period increases of 0.44% and 1.37%, respectively. The reporting period was a volatile one for stocks, with the threat and reality of war a major driver of market sentiment. Early in the year stocks fell sharply, hurt by worries that the war with Iraq might be a lengthy, expensive, one, which raised investors' risk thresholds. A spike in energy costs added to the market's woes. In April, however, stocks for the most part recovered, buoyed in the wake of a swift and successful U.S.-led mission. In this environment, the Portfolio had a loss, hindered by declines in certain of its holdings. These included a medical-services company whose stock fell when its CEO announced his resignation in March. In a period where uncertainty in general was a major market driver, the stock came under selling pressure (the stock had a positive April, but still had a loss for the period). Other stocks that underperformed included specific technology and media holdings. On the positive side, good performers for the Portfolio included certain consumer holdings, such as a company that operates a chain of natural food grocery stores. Barring a turn for the worse on the geopolitical front, we think that risk thresholds could continue to fall. That said, we believe that economic growth over the next year might be modest at best, causing markets to periodically pull back on soft economic and earnings data. For our part, we will continue to attempt to add value via individual stock selection, looking for companies we believe have capable managements and compelling products or services. Elizabeth B. Dater Robert S. Janis Calvin E. Chung Portfolio Manager Portfolio Manager Associate Portfolio Manager BECAUSE OF THE NATURE OF THE PORTFOLIO'S POST-VENTURE-CAPITAL INVESTMENTS AND CERTAIN AGGRESSIVE STRATEGIES IT MAY USE, AN INVESTMENT IN THE PORTFOLIO MAY NOT BE APPROPRIATE FOR ALL INVESTORS. 9 <Page> IN ADDITION TO HISTORICAL INFORMATION, THIS REPORT CONTAINS FORWARD-LOOKING STATEMENTS, WHICH MAY CONCERN, AMONG OTHER THINGS, DOMESTIC AND FOREIGN MARKET, INDUSTRY AND ECONOMIC TRENDS AND DEVELOPMENTS AND GOVERNMENT REGULATION AND THEIR POTENTIAL IMPACT ON THE PORTFOLIO'S INVESTMENTS. THESE STATEMENTS ARE SUBJECT TO RISKS AND UNCERTAINTIES AND ACTUAL TRENDS, DEVELOPMENTS AND REGULATIONS IN THE FUTURE AND THEIR IMPACT ON THE PORTFOLIO COULD BE MATERIALLY DIFFERENT FROM THOSE PROJECTED, ANTICIPATED OR IMPLIED. THE PORTFOLIO HAS NO OBLIGATION TO UPDATE OR REVISE FORWARD-LOOKING STATEMENTS. CUMULATIVE RETURNS AS OF MARCH 31, 2003(1) <Table> <Caption> SINCE INCEPTION INCEPTION DATE --------------- -------------- (12.20%) 1/15/03 </Table> CUMULATIVE RETURNS AS OF APRIL 30, 2003(1) <Table> <Caption> SINCE INCEPTION INCEPTION DATE --------------- -------------- (3.00%) 1/15/03 </Table> Past performance is not predictive of future performance. Investment return and principal value of an investment will fluctuate so that an investor's shares upon redemption may be worth more or less than their original cost. The performance results do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. - ---------- (1) Fee waivers and/or expense reimbursements reduced expenses for the Portfolio, without which performance would be lower. Waivers and/or reimbursements may be discontinued at any time. (2) Effective February 28, 2003, the Portfolio changed its performance benchmark from the Russell 2000(R) Growth Index to the Russell 2500(TM) Growth Index. The Russell 2000(R) Growth Index measures the performance of those companies in the Russell 2000(R) Index with higher price-to-book ratios and higher forecasted growth values. It is an unmanaged index of common stocks that includes reinvestment of dividends and is compiled by Frank Russell Company. The Russell 2500(TM) Growth Index measures the performance of those companies in the Russell 2500(TM) Index with higher price-to-book ratios and higher forecasted growth values. It is an unmanaged index of common stocks that includes reinvestment of dividends and is compiled by Frank Russell Company. Investors cannot invest directly in an index. 10 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INVESTMENT GRADE FIXED INCOME PORTFOLIO SEMIANNUAL INVESTMENT ADVISER'S REPORT April 30, 2003 June 2, 2003 Dear Shareholder: For the six months ended April 30, 2003, the Credit Suisse Institutional Fund, Inc. -- Investment Grade Fixed Income Portfolio(1) (the "Portfolio") returned 3.92%, versus a same-period gain of 4.32% for the Lehman Brothers U.S. Aggregate Bond Index.(2) The Portfolio underperformed its benchmark due to security selection within corporate asset-backed securities ("ABS"). More specifically, we owned an ABS secured by commercial aircraft whose own value declined as airline-industry operating conditions deteriorated. The price of this ABS was marked down during the six-month period and had a negative impact on the Portfolio's relative return. Several other aspects of our investment approach were much more successful. For example: - We structured the Portfolio's spread-based exposure as a "credit barbell" consisting of high-beta investment-grade corporate bonds on one end, and AAA-rated low-beta securitized debt issues on the other end. Corporates were especially additive to performance. Our wide diversification within the universe of issuers worked to our advantage, as did our industry allocations and individual security selection. - We generated above-benchmark results in securitized debt. Two aspects of our positioning were especially helpful in this regard. First, we favored mortgage-backed securities ("MBS") and commercial MBS ("CMBS"), both of which generated solidly positive excess returns versus comparable-duration Treasuries. Second, our MBS security selection concentrated on recently originated issues with good prepayment protection and attractive financing. - We held a small allocation of inflation-linked Treasury bonds (known as "TIPS", or Treasury Inflation-Protected Securities), which we felt offered desirable valuations as well as the potential for capital appreciation if perceived or actual inflation should rise. Our analysis proved on target, as nominal inflation moved higher in early 2003 and TIPS prices gained accordingly. We are optimistic about the prospects for spread-based fixed income sectors, albeit less so than previously. Although highest-quality securities appear fully valued to us at present, we think spread product remains generally appealing for its yields and positive sensitivity to economic 11 <Page> growth. We expect U.S. economic growth to eventually revive from both the ample monetary and fiscal stimulus currently in place. Corporate bonds are particularly well-positioned to perform well in such an environment, in our opinion. Our asset allocation continues to utilize the barbell approach we described earlier, which highlights corporates and securitized debt. Although our view on valuations has prompted us to reduce aggregate corporate exposure to benchmark-neutral from an overweight, we still see areas of opportunity among lower-quality corporates. Our securitized holdings emphasize ABS and CMBS, and we continue to use AAA-rated ABS as a less-risky surrogate for highest-quality corporates. CREDIT SUISSE FIXED INCOME MANAGEMENT TEAM Jo Ann Corkran Leland E. Crabbe Suzanne E. Moran David N. Fisher IN ADDITION TO HISTORICAL INFORMATION, THIS REPORT CONTAINS FORWARD-LOOKING STATEMENTS, WHICH MAY CONCERN, AMONG OTHER THINGS, DOMESTIC AND FOREIGN MARKET, INDUSTRY AND ECONOMIC TRENDS AND DEVELOPMENTS AND GOVERNMENT REGULATION AND THEIR POTENTIAL IMPACT ON THE PORTFOLIO'S INVESTMENT PORTFOLIO. THESE STATEMENTS ARE SUBJECT TO RISKS AND UNCERTAINTIES AND ACTUAL TRENDS, DEVELOPMENTS AND REGULATIONS IN THE FUTURE, AND THEIR IMPACT ON THE PORTFOLIO COULD BE MATERIALLY DIFFERENT FROM THOSE PROJECTED, ANTICIPATED OR IMPLIED. THE PORTFOLIO HAS NO OBLIGATION TO UPDATE OR REVISE FORWARD-LOOKING STATEMENTS. 12 <Page> CUMULATIVE RETURNS AS OF MARCH 31, 2003(1) <Table> <Caption> SINCE INCEPTION INCEPTION DATE --------------- -------------- 7.35% 5/1/02 </Table> CUMULATIVE RETURNS AS OF APRIL 30, 2003(1) <Table> <Caption> SINCE INCEPTION INCEPTION DATE --------------- -------------- 8.24% 5/1/02 </Table> Past performance is not predictive of future performance. Investment return and principal value of an investment will fluctuate so that an investor's shares upon redemption may be worth more or less than their original cost. The performance results do not reflect the deduction of taxes that a shareholder would pay on Portfolio distributions or the redemption of Portfolio shares. - ---------- (1) Fee waivers and/or expense reimbursements reduced expenses for the Portfolio, without which performance would be lower. Waivers and/or reimbursements may be discontinued at any time. (2) The Lehman Brothers U.S. Aggregate Bond Index is composed of the Lehman Brothers Government/Corporate Bond Index and the Lehman Brothers Mortgage-Backed Securities Index. The U.S. Aggregate Bond Index includes U.S. Treasury and agency issues, corporate bond issues and mortgage-backed securities rated investment-grade or higher by Moody's Investors' Service, the Standard & Poor's Division of The McGraw-Hill Companies, Inc., or Fitch IBCA, Inc. Investors cannot invest directly in an index. 13 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- LARGE CAP VALUE PORTFOLIO SCHEDULE OF INVESTMENTS April 30, 2003 (Unaudited) <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (95.4%) AEROSPACE & DEFENSE (6.2%) General Dynamics Corp. 12,000 $ 744,840 United Technologies Corp. 19,900 1,230,019 ------------- 1,974,859 ------------- BANKS (10.8%) Bank of America Corp. 13,000 962,650 Banknorth Group, Inc. 21,300 508,644 Charter One Financial, Inc. 20,055 582,598 Washington Mutual, Inc. 17,100 675,450 Wells Fargo & Co. 15,200 733,552 ------------- 3,462,894 ------------- BEVERAGES (1.8%) Anheuser-Busch Companies, Inc. 11,500 573,620 ------------- BUILDING PRODUCTS (2.0%) American Standard Companies, Inc.* 9,100 647,829 ------------- CHEMICALS (2.1%) Engelhard Corp. 26,100 640,755 Monsanto Co. 1,569 27,300 ------------- 668,055 ------------- COMMERCIAL SERVICES & SUPPLIES (4.1%) Avery Dennison Corp. 16,300 864,063 Cendant Corp.* 30,700 438,396 ------------- 1,302,459 ------------- COMPUTERS & PERIPHERALS (1.9%) Hewlett-Packard Co. 36,944 602,187 ------------- DIVERSIFIED FINANCIALS (9.2%) American Express Co. 21,700 821,562 Citigroup, Inc. 22,000 863,500 Freddie Mac 13,100 758,490 Lehman Brothers Holdings, Inc. 7,900 497,463 ------------- 2,941,015 ------------- DIVERSIFIED TELECOMMUNICATION SERVICES (4.3%) ALLTEL Corp. 18,400 862,224 Verizon Communications, Inc. 13,400 500,892 ------------- 1,363,116 ------------- ELECTRIC UTILITIES (2.8%) Progress Energy, Inc. 21,300 889,914 ------------- ELECTRICAL EQUIPMENT (1.9%) Emerson Electric Co. 12,200 618,540 ------------- ENERGY EQUIPMENT & SERVICES (3.5%) Cooper Cameron Corp.* 4,800 229,728 Pride International, Inc.* 40,500 628,560 </Table> See Accompanying Notes to Financial Statements. 14 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONTINUED) ENERGY EQUIPMENT & SERVICES (CONCLUDED) Weatherford International, Ltd.* 6,200 $ 249,426 ------------- 1,107,714 ------------- FOOD PRODUCTS (1.8%) General Mills, Inc. 12,500 563,875 ------------- GAS UTILITIES (2.0%) WGL Holdings, Inc. 24,200 652,916 ------------- HEALTHCARE PROVIDERS & SERVICES (1.1%) Cardinal Health, Inc. 6,200 342,736 ------------- HOUSEHOLD PRODUCTS (2.1%) Kimberly-Clark Corp. 13,300 661,941 ------------- INDUSTRIAL CONGLOMERATES (3.2%) 3M Co. 4,000 504,160 Tyco International, Ltd. 32,800 511,680 ------------- 1,015,840 ------------- INSURANCE (6.5%) American International Group, Inc. 13,363 774,386 Hartford Financial Services Group, Inc. 8,400 342,384 Marsh & McLennan Companies, Inc. 9,200 438,656 St. Paul Companies, Inc. 15,000 515,100 ------------- 2,070,526 ------------- IT CONSULTING & SERVICES (1.0%) Unisys Corp.* 31,900 331,760 ------------- MACHINERY (0.1%) Harsco Corp. 1,200 41,364 ------------- MEDIA (6.3%) Gannett Company, Inc. 8,700 658,764 Tribune Co. 17,400 852,252 Viacom, Inc. Class B* 11,400 494,874 ------------- 2,005,890 ------------- OIL & GAS (6.3%) Burlington Resources, Inc. 13,900 643,709 ConocoPhillips 15,300 769,590 Exxon Mobil Corp. 17,300 608,960 ------------- 2,022,259 ------------- PERSONAL PRODUCTS (1.7%) Avon Products, Inc. 9,600 558,432 ------------- PHARMACEUTICALS (7.1%) Abbott Laboratories 10,300 418,489 Johnson & Johnson 20,200 1,138,472 Pfizer, Inc. 23,380 718,935 ------------- 2,275,896 ------------- </Table> See Accompanying Notes to Financial Statements. 15 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONCLUDED) ROAD & RAIL (2.8%) Burlington Northern Santa Fe Corp. 31,500 $ 887,040 ------------- SOFTWARE (1.9%) Microsoft Corp. 24,000 613,680 ------------- TOBACCO (0.9%) Altria Group, Inc. 9,700 298,372 ------------- TOTAL COMMON STOCKS (Cost $33,881,940) 30,494,729 ------------- <Caption> PAR (000) ------------- SHORT-TERM INVESTMENT (4.5%) State Street Bank and Trust Co. Euro Time Deposit, 1.188%, 5/01/03 (Cost $1,432,000) $ 1,432 1,432,000 ------------- TOTAL INVESTMENTS AT VALUE (99.9%) (Cost $35,313,940) 31,926,729 OTHER ASSETS IN EXCESS OF LIABILITIES (0.1%) 29,837 ------------- NET ASSETS (100.0%) $ 31,956,566 ============= </Table> - ---------- * Non-income producing security. See Accompanying Notes to Financial Statements. 16 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- SMALL CAP GROWTH PORTFOLIO SCHEDULE OF INVESTMENTS April 30, 2003 (Unaudited) <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (95.3%) AIR FREIGHT & COURIERS (1.3%) J.B. Hunt Transport Services, Inc.* 17,100 $ 590,805 ------------- AUTO COMPONENTS (1.0%) BorgWarner, Inc. 7,600 445,892 ------------- BANKS (2.0%) IndyMac Bancorp, Inc. 21,100 470,108 Westamerica Bancorp. 9,800 422,380 ------------- 892,488 ------------- BIOTECHNOLOGY (3.5%) Affymetrix, Inc.* 30,300 562,065 BioMarin Pharmaceutical, Inc.* 41,200 452,376 Cubist Pharmaceuticals, Inc.* 32,600 300,898 OSI Pharmaceuticals, Inc.* 12,400 260,400 ------------- 1,575,739 ------------- CHEMICALS (0.9%) Airgas, Inc.* 20,700 418,761 ------------- COMMERCIAL SERVICES & SUPPLIES (3.3%) Education Management Corp.* 10,000 488,200 Kroll, Inc.* 32,200 718,060 Moore Corporation Ltd.* 26,400 301,488 ------------- 1,507,748 ------------- COMMUNICATIONS EQUIPMENT (3.2%) Adaptec, Inc.* 55,100 376,884 InterDigital Communications Corp.* 27,600 621,828 Polycom, Inc.* 44,300 435,026 ------------- 1,433,738 ------------- COMPUTERS & PERIPHERALS (2.3%) Avid Technology, Inc.* 37,400 1,027,378 ------------- CONTAINERS & PACKAGING (1.3%) Constar International, Inc.* 32,900 238,525 Crown Holdings, Inc.* 65,700 348,210 ------------- 586,735 ------------- DIVERSIFIED FINANCIALS (2.8%) Affiliated Managers Group, Inc.* 9,800 453,838 Jefferies Group, Inc. 8,700 337,734 Raymond James Financial, Inc. 16,800 481,824 ------------- 1,273,396 ------------- ENERGY EQUIPMENT & SERVICES (1.8%) FMC Technologies, Inc.* 20,300 382,046 Newpark Resources, Inc.* 89,300 418,817 ------------- 800,863 ------------- </Table> See Accompanying Notes to Financial Statements. 17 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONTINUED) FOOD & DRUG RETAILING (1.0%) Performance Food Group Co.* 13,000 $ 456,040 ------------- FOOD PRODUCTS (2.0%) Delta and Pine Land Co. 23,100 537,306 Hain Celestial Group, Inc.* 20,500 353,830 ------------- 891,136 ------------- HEALTHCARE EQUIPMENT & SUPPLIES (3.1%) Fisher Scientific International, Inc.* 11,900 342,839 SonoSite, Inc.* 22,900 370,980 Therasense, Inc.* 35,300 279,223 Wilson Greatbatch Technologies, Inc.* 12,400 406,596 ------------- 1,399,638 ------------- HEALTHCARE PROVIDERS & SERVICES (10.6%) Accredo Health, Inc.* 28,700 423,899 AdvancePCS* 21,300 640,278 Apria Healthcare Group, Inc.* 18,800 440,860 Community Health Systems, Inc.* 32,300 613,700 Coventry Health Care, Inc.* 26,000 1,061,320 LifePoint Hospitals, Inc.* 43,200 843,264 Mid Atlantic Medical Services, Inc.* 18,100 788,255 ------------- 4,811,576 ------------- HOTELS, RESTAURANTS & LEISURE (1.0%) Penn National Gaming, Inc.* 24,000 468,720 ------------- INSURANCE (2.1%) HCC Insurance Holdings, Inc. 22,200 610,500 U.S.I. Holdings Corp.* 31,900 334,950 ------------- 945,450 ------------- INTERNET & CATALOG RETAIL (1.2%) ValueVision Media, Inc. Class A* 41,700 529,173 ------------- INTERNET SOFTWARE & SERVICES (4.2%) Chordiant Software, Inc.* 130,400 138,224 DoubleClick, Inc.* 56,300 484,180 MatrixOne, Inc.* 122,900 430,150 Openwave Systems, Inc.* 182,000 314,860 webMethods, Inc.* 53,700 540,222 ------------- 1,907,636 ------------- IT CONSULTING & SERVICES (2.2%) CACI International, Inc. Class A* 15,900 555,387 Titan Corp.* 57,800 464,134 ------------- 1,019,521 ------------- MACHINERY (0.8%) Oshkosh Truck Corp. 6,600 369,600 ------------- </Table> See Accompanying Notes to Financial Statements. 18 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONTINUED) MEDIA (7.0%) Cumulus Media, Inc. Class A* 39,400 $ 679,256 Emmis Communications Corp. Class A* 43,800 830,886 Entercom Communications Corp.* 12,300 597,657 Getty Images, Inc.* 20,400 690,540 Scholastic Corp.* 13,500 383,535 ------------- 3,181,874 ------------- MULTILINE RETAIL (0.1%) BJ's Wholesale Club, Inc.* 2,400 34,000 ------------- OIL & GAS (3.6%) Remington Oil & Gas Corp.* 30,000 470,100 Spinnaker Exploration Co.* 19,400 415,160 Stone Energy Corp.* 22,000 772,860 ------------- 1,658,120 ------------- PHARMACEUTICALS (6.2%) Inspire Phamaceuticals, Inc.* 24,900 363,540 K-V Pharmaceutical Co. Class A* 22,200 499,278 Medicis Pharmaceutical Corp. Class A* 17,200 991,408 Sepracor, Inc.* 50,800 972,820 ------------- 2,827,046 ------------- ROAD & RAIL (1.2%) Swift Transportation Company, Inc.* 29,900 541,788 ------------- SEMICONDUCTOR EQUIPMENT & PRODUCTS (7.2%) Brooks Automation, Inc.* 29,080 246,308 Cymer, Inc.* 21,500 613,825 Integrated Circuit Systems, Inc.* 18,500 401,820 Lam Research Corp.* 31,000 450,430 Semtech Corp.* 29,500 469,050 Silicon Image, Inc.* 54,600 326,508 Skyworks Solutions, Inc.* 53,800 287,830 Varian Semiconductor Equipment Associates, Inc.* 19,800 456,390 ------------- 3,252,161 ------------- SOFTWARE (10.4%) Agile Software Corp.* 46,500 322,710 Documentum, Inc.* 41,700 766,863 Hyperion Solutions Corp.* 5,600 158,368 Informatica Corp.* 77,100 503,463 J. D. Edwards & Co.* 33,100 396,538 Legato Systems, Inc.* 98,200 581,344 Manugistics Group, Inc.* 83,600 270,028 Micromuse, Inc.* 38,900 254,445 QRS Corp.* 21,899 113,875 Radiant Systems, Inc.* 52,150 330,109 </Table> See Accompanying Notes to Financial Statements. 19 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONCLUDED) SOFTWARE (CONTINUED) Take-Two Interactive Software, Inc.* 34,000 $ 765,000 Verisity, Ltd.* 22,500 263,925 ------------- 4,726,668 ------------- SPECIALTY RETAIL (6.4%) AnnTaylor Stores Corp.* 22,100 522,886 Cost Plus, Inc.* 17,500 537,775 Gymboree Corp.* 26,900 449,499 Hot Topic, Inc.* 16,700 408,315 Linens `n Things, Inc.* 26,700 565,773 Movie Gallery, Inc.* 22,900 423,444 ------------- 2,907,692 ------------- TEXTILES & APPAREL (0.7%) Tommy Hilfiger Corp.* 36,600 300,852 ------------- TRADING COMPANIES & DISTRIBUTORS (0.9%) MSC Industrial Direct Company, Inc. Class A* 23,400 432,900 ------------- TOTAL COMMON STOCKS (Cost $43,855,850) 43,215,134 ------------- PREFERRED STOCKS (0.1%) INTERNET SOFTWARE & SERVICES (0.1%) Planetweb, Inc.*++ 165,400 11,578 Prescient Systems, Inc.*++ 28,379 11,039 ------------- TOTAL PREFERRED STOCKS (Cost $2,905,776) 22,617 ------------- WARRANT (0.0%) ELECTRONIC EQUIPMENT & INSTRUMENTS (0.0%) APW, Ltd.*^- (Cost $0) 45 0 ------------- <Caption> PAR (000) ------------- SHORT-TERM INVESTMENT (5.8%) State Street Bank and Trust Co. Euro Time Deposit, 1.188%, 5/01/03 (Cost $2,643,000) $ 2,643 2,643,000 ------------- TOTAL INVESTMENTS AT VALUE (101.2%) (Cost $49,404,626) 45,880,751 LIABILITIES IN EXCESS OF OTHER ASSETS (-1.2%) (527,994) ------------- NET ASSETS (100.0%) $ 45,352,757 ============= </Table> - ---------- * Non-income producing security. ++ Restricted security, not readily marketable; security is valued at fair value as determined in good faith by the Board of Directors. ^ Not readily marketable security; security is valued at fair value as determined in good faith by the Board of Directors. - Company filed for bankruptcy on 9/12/02. See Accompanying Notes to Financial Statements. 20 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- SELECT EQUITY PORTFOLIO SCHEDULE OF INVESTMENTS April 30, 2003 (Unaudited) <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (95.3%) AEROSPACE & DEFENSE (5.0%) Boeing Co. 1,500 $ 40,920 Lockheed Martin Corp. 5,500 275,275 United Technologies Corp. 3,100 191,611 ------------- 507,806 ------------- BANKS (3.9%) Bank of America Corp. 2,000 148,100 Wells Fargo & Co. 5,000 241,300 ------------- 389,400 ------------- BEVERAGES (5.9%) Anheuser-Busch Companies, Inc. 2,900 144,652 Coca-Cola Co. 5,383 217,473 PepsiCo, Inc. 5,411 234,188 ------------- 596,313 ------------- CHEMICALS (3.9%) Du Pont (E.I.) de Nemours & Co. 9,300 395,529 ------------- COMMERCIAL SERVICES & SUPPLIES (5.2%) Avery Dennison Corp. 3,100 164,331 Cendant Corp.* 24,800 354,144 ------------- 518,475 ------------- COMMUNICATIONS EQUIPMENT (2.4%) Cisco Systems, Inc.* 5,900 88,736 Motorola, Inc. 19,125 151,279 ------------- 240,015 ------------- COMPUTERS & PERIPHERALS (2.7%) Dell Computer Corp.* 6,100 176,351 Hewlett-Packard Co. 6,000 97,800 ------------- 274,151 ------------- DIVERSIFIED FINANCIALS (7.0%) Citigroup, Inc. 3,849 151,073 Freddie Mac 3,249 188,117 Lehman Brothers Holdings, Inc. 1,648 103,775 SPDR Trust Series 1 1,600 147,056 The Goldman Sachs Group, Inc. 1,458 110,662 ------------- 700,683 ------------- ELECTRICAL EQUIPMENT (3.0%) Emerson Electric Co. 5,948 301,564 ------------- ENERGY EQUIPMENT & SERVICES (1.5%) Transocean, Inc. 8,000 152,400 ------------- </Table> See Accompanying Notes to Financial Statements. 21 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONTINUED) HEALTHCARE EQUIPMENT & SUPPLIES (6.7%) Biomet, Inc. 8,700 $ 265,002 Medtronic, Inc. 8,500 405,790 ------------- 670,792 ------------- INSURANCE (6.1%) AFLAC, Inc. 8,400 274,764 American International Group, Inc. 5,806 336,458 ------------- 611,222 ------------- MACHINERY (3.0%) Illinois Tool Works, Inc. 4,800 307,104 ------------- MEDIA (4.4%) Clear Channel Communications, Inc.* 5,400 211,194 Viacom, Inc. Class B* 5,400 234,414 ------------- 445,608 ------------- METALS & MINING (0.4%) Alcoa, Inc. 1,927 44,186 ------------- MULTILINE RETAIL (2.2%) Wal-Mart Stores, Inc. 3,861 217,451 ------------- OIL & GAS (5.9%) Burlington Resources, Inc. 3,100 143,561 ConocoPhillips 3,604 181,281 Exxon Mobil Corp. 7,500 264,000 ------------- 588,842 ------------- PAPER & FOREST PRODUCTS (1.1%) International Paper Co. 3,000 107,250 ------------- PERSONAL PRODUCTS (6.1%) Estee Lauder Companies, Inc. Class A 5,900 191,750 Gillette Co. 13,750 418,687 ------------- 610,437 ------------- PHARMACEUTICALS (9.0%) Abbott Laboratories 5,500 223,465 Eli Lilly and Co. 3,700 236,134 Pfizer, Inc. 14,600 448,950 ------------- 908,549 ------------- SEMICONDUCTOR EQUIPMENT & PRODUCTS (1.8%) Intel Corp. 9,600 176,640 ------------- SOFTWARE (5.8%) Electronic Arts, Inc.* 1,000 59,270 Microsoft Corp. 17,124 437,861 VERITAS Software Corp.* 3,700 81,437 ------------- 578,568 ------------- </Table> See Accompanying Notes to Financial Statements. 22 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONCLUDED) SPECIALTY RETAIL (2.3%) Gap, Inc. 5,400 $ 89,802 Staples, Inc.* 7,700 146,608 ------------- 236,410 ------------- TOTAL COMMON STOCKS (Cost $8,989,817) 9,579,395 ------------- <Caption> PAR (000) ------------- SHORT-TERM INVESTMENT (4.6%) State Street Bank and Trust Co. Euro Time Deposit, 1.188%, 5/01/03 (Cost $465,000) $ 465 465,000 ------------- TOTAL INVESTMENTS AT VALUE (99.9%) (Cost $9,454,817) 10,044,395 OTHER ASSETS IN EXCESS OF LIABILITIES (0.1%) 6,597 ------------- NET ASSETS (100.0%) $ 10,050,992 ============= </Table> - ---------- * Non-income producing security. See Accompanying Notes to Financial Statements. 23 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- CAPITAL APPRECIATION PORTFOLIO SCHEDULE OF INVESTMENTS April 30, 2003 (Unaudited) <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (92.1%) AEROSPACE & DEFENSE (1.5%) United Technologies Corp. 2,200 $ 135,982 ------------- AIR FREIGHT & COURIERS (2.5%) United Parcel Service, Inc. Class B 3,700 229,844 ------------- BANKS (3.9%) Bank of America Corp. 1,600 118,480 Wells Fargo & Co. 5,000 241,300 ------------- 359,780 ------------- BEVERAGES (5.2%) Anheuser-Busch Companies, Inc. 4,500 224,460 Pepsi Bottling Group, Inc. 3,400 69,836 PepsiCo, Inc. 4,400 190,432 ------------- 484,728 ------------- BIOTECHNOLOGY (4.3%) Amgen, Inc.* 1,400 85,834 Genentech, Inc.* 2,400 91,176 Gilead Sciences, Inc.* 2,400 110,736 MedImmune, Inc.* 3,100 109,337 ------------- 397,083 ------------- COMMERCIAL SERVICES & SUPPLIES (2.1%) Stericycle, Inc.* 2,200 86,438 Weight Watchers International, Inc.* 2,400 112,752 ------------- 199,190 ------------- COMMUNICATIONS EQUIPMENT (1.8%) Cisco Systems, Inc.* 11,200 168,448 ------------- COMPUTERS & PERIPHERALS (2.3%) Dell Computer Corp.* 5,600 161,896 EMC Corp.* 5,300 48,177 ------------- 210,073 ------------- DIVERSIFIED FINANCIALS (2.4%) Doral Financial Corp. 1,200 48,012 SLM Corp. 1,600 179,200 ------------- 227,212 ------------- ELECTRICAL EQUIPMENT (1.7%) Harris Corp. 5,700 162,792 ------------- ENERGY EQUIPMENT & SERVICES (1.0%) Transocean, Inc. 1,800 34,290 Weatherford International, Ltd.* 1,400 56,322 ------------- 90,612 ------------- </Table> See Accompanying Notes to Financial Statements. 24 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONTINUED) HEALTHCARE EQUIPMENT & SUPPLIES (5.5%) Biomet, Inc. 6,700 $ 204,082 Medtronic, Inc. 6,400 305,536 ------------- 509,618 ------------- HEALTHCARE PROVIDERS & SERVICES (3.7%) Anthem, Inc.* 2,200 151,008 Caremark Rx, Inc.* 4,700 93,577 WebMD Corp.* 10,600 102,184 ------------- 346,769 ------------- HOTELS, RESTAURANTS & LEISURE (0.6%) Wendy's International, Inc. 1,800 52,272 ------------- INDUSTRIAL CONGLOMERATES (3.2%) General Electric Co. 7,600 223,820 Tyco International, Ltd. 5,000 78,000 ------------- 301,820 ------------- INSURANCE (1.2%) American International Group, Inc. 1,900 110,105 ------------- INTERNET & CATALOG RETAIL (3.1%) USA Interactive* 9,800 293,510 ------------- MACHINERY (1.3%) Danaher Corp. 1,800 124,164 ------------- MEDIA (12.7%) AOL Time Warner, Inc.* 11,400 155,952 Clear Channel Communications, Inc.* 3,600 140,796 Comcast Corp. Special Class A* 5,600 168,336 E.W. Scripps Co. Class A 1,100 87,175 Fox Entertainment Group, Inc. Class A* 4,500 114,300 Gannett Company, Inc. 1,200 90,864 Pixar, Inc.* 1,300 75,907 Univision Communications, Inc. Class A* 2,200 66,616 Viacom, Inc. Class B* 6,500 282,165 ------------- 1,182,111 ------------- MULTILINE RETAIL (2.8%) Wal-Mart Stores, Inc. 4,600 259,072 ------------- OIL & GAS (0.4%) XTO Energy, Inc. 1,800 35,100 ------------- PERSONAL PRODUCTS (1.9%) Estee Lauder Companies, Inc. Class A 3,600 117,000 Gillette Co. 2,000 60,900 ------------- 177,900 ------------- </Table> See Accompanying Notes to Financial Statements. 25 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONCLUDED) PHARMACEUTICALS (13.5%) Barr Laboratories, Inc.* 2,400 $ 133,440 Forest Laboratories, Inc.* 3,400 175,848 Johnson & Johnson 4,200 236,712 Pfizer, Inc. 13,000 399,750 Watson Pharmaceuticals, Inc.* 5,900 171,513 Wyeth 3,300 143,649 ------------- 1,260,912 ------------- SEMICONDUCTOR EQUIPMENT & PRODUCTS (5.6%) Analog Devices, Inc.* 5,900 195,408 Intel Corp. 12,400 228,160 Texas Instruments, Inc. 5,200 96,148 ------------- 519,716 ------------- SOFTWARE (6.8%) Microsoft Corp. 17,000 434,690 Symantec Corp.* 1,700 74,715 VERITAS Software Corp.* 5,600 123,256 ------------- 632,661 ------------- SPECIALTY RETAIL (1.1%) Home Depot, Inc. 3,500 98,455 ------------- TOTAL COMMON STOCKS (Cost $9,121,877) 8,569,929 ------------- <Caption> PAR (000) ------------- SHORT-TERM INVESTMENT (7.2%) State Street Bank and Trust Co. Euro Time Deposit, 1.188%, 5/01/03 (Cost $673,000) $ 673 673,000 ------------- TOTAL INVESTMENTS AT VALUE (99.3%) (Cost $9,794,877) 9,242,929 OTHER ASSETS IN EXCESS OF LIABILITIES (0.7%) 61,254 ------------- NET ASSETS (100.0%) $ 9,304,183 ============= </Table> - ---------- * Non-income producing security. See Accompanying Notes to Financial Statements. 26 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- HARBINGER PORTFOLIO SCHEDULE OF INVESTMENTS April 30, 2003 (Unaudited) <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (97.9%) BIOTECHNOLOGY (4.6%) MedImmune, Inc.* 2,200 $ 77,594 ------------- DIVERSIFIED FINANCIALS (9.2%) E*TRADE Group, Inc.* 16,400 90,200 Franklin Resources, Inc. 1,800 62,784 ------------- 152,984 ------------- ELECTRONIC EQUIPMENT & INSTRUMENTS (6.7%) Sanmina-SCI Corp.* 13,100 62,880 Solectron Corp.* 15,300 48,807 ------------- 111,687 ------------- FOOD & DRUG RETAILING (10.0%) Whole Foods Market, Inc.* 1,300 77,168 Wild Oats Markets, Inc.* 8,300 89,806 ------------- 166,974 ------------- HEALTHCARE PROVIDERS & SERVICES (15.9%) Accredo Health, Inc.* 2,700 39,879 Centene Corp.* 2,500 80,088 Pediatrix Medical Group, Inc.* 3,100 98,797 United Surgical Partners International, Inc.* 2,500 46,325 ------------- 265,089 ------------- INSURANCE (2.1%) Radian Group, Inc. 900 35,730 ------------- MEDIA (6.7%) Clear Channel Communications, Inc.* 1,600 62,576 Journal Register Co.* 2,800 49,588 ------------- 112,164 ------------- MULTILINE RETAIL (4.3%) Dollar Tree Stores, Inc.* 2,800 71,260 ------------- OIL & GAS (3.9%) Newfield Exploration Co.* 1,900 65,341 ------------- SEMICONDUCTOR EQUIPMENT & PRODUCTS (6.0%) Applied Micro Circuits Corp.* 11,900 53,312 GlobespanVirata, Inc.* 7,800 47,346 ------------- 100,658 ------------- SOFTWARE (24.5%) Activision, Inc.* 4,300 65,790 Amdocs, Ltd* 4,800 84,768 JDA Software Group, Inc.* 6,800 76,568 Lawson Software, Inc. * 9,300 47,151 Siebel Systems, Inc.* 6,700 58,089 THQ, Inc.* 5,400 76,302 ------------- 408,668 ------------- </Table> See Accompanying Notes to Financial Statements. 27 <Page> <Table> <Caption> NUMBER OF SHARES VALUE ------------- ------------- COMMON STOCKS (CONCLUDED) SPECIALTY RETAIL (4.0%) Hot Topic, Inc.* 2,700 $ 66,015 ------------- TOTAL COMMON STOCKS (Cost $1,618,408) 1,634,164 ------------- TOTAL INVESTMENTS AT VALUE (97.9%) (Cost $1,618,408) 1,634,164 OTHER ASSETS IN EXCESS OF LIABILITIES (2.1%) 34,574 ------------- NET ASSETS (100.0%) $ 1,668,738 ============= </Table> - ---------- * Non-income producing security. See Accompanying Notes to Financial Statements. 28 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INVESTMENT GRADE FIXED INCOME PORTFOLIO SCHEDULE OF INVESTMENTS April 30, 2003 (Unaudited) <Table> <Caption> PAR RATINGS+ (000) (S&P/MOODY'S) MATURITY RATE% VALUE ----- ------------------ ---------- ----- ------------ CORPORATE BONDS (20.5%) AEROSPACE & DEFENSE (0.3%) $ 20 Lockheed Martin Corp., Bonds (BBB , Baa2) 12/01/29 8.500 $ 26,916 10 Raytheon Co., Notes (BBB- , Baa3) 08/15/07 6.750 11,134 ------------ 38,050 ------------ AGRICULTURE (0.2%) 25 Cargill, Inc., Rule 144A, Private Placement, Notes++ (A+ , A1) 05/01/06 6.250 27,700 ------------ BANKS (0.4%) 10 Bank of America Corp., Series MTN, Senior Notes (A+ , Aa2) 03/01/04 5.750 10,358 30 Washington Mutual, Inc., Global Senior Notes (BBB+ , A3) 01/15/07 5.625 32,777 ------------ 43,135 ------------ DIVERSIFIED FINANCIALS (4.1%) 30 Bear Stearns Companies, Inc., Global Notes (A , A2) 03/30/06 3.000 30,553 75 Countrywide Home Loans, Inc., Global Notes (A , A3) 12/19/07 4.250 77,755 15 ERAC USA Finance Co., Rule 144A, Private Placement, Notes++ (BBB+ , Baa1) 05/15/06 6.625 16,226 10 FMR Corp., Rule 144A, Private Placement, Notes++ (AA , Aa3) 03/01/13 4.750 10,095 30 Ford Motor Credit Co., Global Bonds (BBB , A3) 02/01/11 7.375 30,457 75 Ford Motor Credit Co., Global Notes (BBB , A3) 02/01/06 6.875 77,636 5 Ford Motor Credit Co., Global Notes (BBB , A3) 10/28/09 7.375 5,115 10 FPL Group Capital, Inc., Company Guaranteed (A- , A2) 09/15/06 7.625 11,394 70 General Electric Capital Corp., Series MTN, Global Notes (AAA , Aaa) 06/15/12 6.000 77,380 20 General Motors Acceptance Corp., Global (BBB , A2) 11/01/31 8.000 20,891 30 Goldman Sachs Group, Inc., Global Notes (A+ , Aa3) 01/15/08 4.125 30,995 40 Household Finance Corp., Global Notes (A , A2) 01/30/07 5.750 43,502 20 Verizon Global Funding Corp., Global Notes (A+ , A2) 06/15/12 6.875 22,988 25 Verizon Global Funding Corp., Global Notes (A+ , A2) 12/01/30 7.750 30,988 10 Verizon Global Funding Corp., Global Notes (A+ , A2) 06/15/32 7.750 12,413 ------------ 498,388 ------------ ELECTRIC (4.8%) 40 American Electric Power Company, Inc., Global Notes (BBB , Baa3) 05/15/06 6.125 43,236 45 Cilcorp, Inc., Bonds (BBB+ , Baa2) 10/15/29 9.375 60,675 90 Consolidated Edison Company of New York, Inc., Debentures (A+ , A1) 02/01/13 4.875 92,278 30 Constellation Energy Group, Inc., Notes (BBB+ , Baa1) 04/01/07 6.350 33,219 45 Constellation Energy Group, Inc., Notes (BBB+ , Baa1) 04/01/12 7.000 51,804 10 Dominion Resources, Inc., Notes (BBB+ , Baa1) 06/30/12 6.250 11,041 75 Dominion Resources, Inc., Series B, Global Senior Notes (BBB+ , Baa1) 07/15/05 7.625 83,359 55 Energy East Corp., Notes (BBB , Baa2) 06/15/12 6.750 61,184 </Table> See Accompanying Notes to Financial Statements. 29 <Page> <Table> <Caption> PAR RATINGS+ (000) (S&P/MOODY'S) MATURITY RATE% VALUE ----- ------------------ ---------- ----- ------------ CORPORATE BONDS (CONTINUED) ELECTRIC (CONCLUDED) $ 50 FPL Group Capital, Inc., Notes (A- , A2) 04/11/06 3.250 $ 50,607 15 Oncor Electric Delivery, Global Secured Notes (BBB , Baa1) 05/01/32 7.000 17,061 5 Progress Energy, Inc., Senior Notes (BBB , Baa2) 03/01/06 6.750 5,520 10 Progress Energy, Inc., Senior Notes (BBB , Baa2) 03/01/31 7.750 12,245 55 Public Service Company of Colorado, Global Collateral Trust (BBB+ , Baa1) 10/01/12 7.875 67,517 ------------ 589,746 ------------ ELECTRIC/GAS (0.5%) 40 Cincinnati Gas & Electric Co., Notes (BBB , Baa1) 09/15/12 5.700 42,741 15 KeySpan Corp., Senior Notes (A , A3) 11/15/30 8.000 20,080 ------------ 62,821 ------------ ENVIRONMENTAL CONTROL (0.3%) 10 Waste Management, Inc., Global Company Guaranteed (BBB , Baa3) 05/15/32 7.750 12,224 25 Waste Management, Inc., Senior Notes (BBB , Baa3) 08/01/10 7.375 29,190 ------------ 41,414 ------------ FOOD (1.7%) 30 ConAgra Foods, Inc., Notes (BBB+ , Baa1) 09/15/11 6.750 34,132 30 ConAgra Foods, Inc., Notes (BBB+ , Baa1) 09/15/30 8.250 38,990 45 General Mills, Inc., Global Notes (BBB+ , Baa2) 02/15/12 6.000 49,453 45 Kellogg Co., Global Notes (BBB , Baa2) 04/01/11 6.600 51,536 25 Kraft Foods, Inc., Global Notes (BBB+ , A3) 06/01/12 6.250 27,284 ------------ 201,395 ------------ HEALTHCARE PRODUCTS (0.4%) 45 Baxter International, Inc., Notes (A , A3) 05/01/07 5.250 48,176 ------------ HEALTHCARE SERVICES (0.1%) 10 HCA, Inc., Notes (BBB- , Ba1) 07/01/07 7.000 10,801 ------------ INSURANCE (0.4%) 45 MetLife, Inc., Debentures (A , A2) 05/15/05 3.911 46,660 ------------ MEDIA (1.2%) 5 AOL Time Warner, Inc., Global Notes (BBB+ , Baa1) 05/01/12 6.875 5,465 55 Comcast Cable Communications, Inc., Senior Notes (BBB , Baa3) 01/30/11 6.750 60,817 30 News America Holdings, Inc., Company Guaranteed (BBB- , Baa3) 02/01/13 9.250 38,382 20 News America, Inc., Company Guaranteed (BBB- , Baa3) 11/30/28 7.625 22,909 10 Viacom, Inc., Global Company Guaranteed (A- , A3) 08/15/12 5.625 10,783 5 Walt Disney Co., Global Notes (BBB+ , Baa1) 03/01/12 6.375 5,474 ------------ 143,830 ------------ OIL & GAS (1.6%) 30 Burlington Resources Finance Co., Yankee Company Guaranteed (BBB+ , Baa1) 12/01/31 7.400 36,634 </Table> See Accompanying Notes to Financial Statements. 30 <Page> <Table> <Caption> PAR RATINGS+ (000) (S&P/MOODY'S) MATURITY RATE% VALUE ----- ------------------ ---------- ----- ------------ CORPORATE BONDS (CONCLUDED) OIL & GAS (CONCLUDED) $ 15 Conoco, Inc., Global Senior Notes (A- , A3) 04/15/09 6.350 $ 17,211 5 Conoco, Inc., Global Senior Notes (A- , A3) 04/15/04 5.900 5,198 5 Devon Energy Corp., Debentures (BBB , Baa2) 04/15/32 7.950 6,278 25 Devon Financing Corp. ULC, Global Company Guaranteed (BBB , Baa2) 09/30/11 6.875 28,801 30 Enterprise Products Partners LP, Company Guaranteed (BBB , Baa2) 02/01/11 7.500 34,699 25 Pemex Project Funding Master Trust, Global Company Guaranteed (BBB- , Baa1) 02/15/08 8.500 29,063 30 Phillips Petroleum Co., Global Notes (A- , A3) 05/25/05 8.500 33,895 ------------ 191,779 ------------ PHARMACEUTICALS (1.2%) 140 Wyeth, Notes (A , A3) 03/15/13 5.250 146,734 ------------ PIPELINES (0.0%) 5 Equitable Resources, Inc., Global Bonds (A , A2) 11/15/12 5.150 5,243 ------------ REAL ESTATE (0.4%) 5 EOP Operating LP, Notes (BBB+ , Baa1) 01/15/04 6.500 5,149 25 EOP Operating LP, Notes (BBB+ , Baa1) 06/15/04 6.500 26,217 20 EOP Operating LP, Senior Notes (BBB+ , Baa1) 02/15/05 6.625 21,375 ------------ 52,741 ------------ RETAIL (1.1%) 30 Sears Roebuck Acceptance Corp., Global Notes (BBB+ , Baa1) 02/01/11 7.000 32,321 40 Sears Roebuck Acceptance Corp., Global Notes (BBB+ , Baa1) 08/15/11 6.750 42,394 50 Target Corp., Notes (A+ , A2) 08/15/10 7.500 59,976 ------------ 134,691 ------------ TELECOMMUNICATIONS (1.8%) 6 AT&T Broadband Corp., Global Notes, Company Guaranteed (BBB , Baa3) 03/15/13 8.375 7,336 25 AT&T Corp., Global Senior Notes (BBB+ , Baa2) 11/15/31 8.500 27,931 45 AT&T Wireless Services, Inc., Global Senior Notes (BBB , Baa2) 03/01/11 7.875 51,938 15 AT&T Wireless Services, Inc., Global Senior Notes (BBB , Baa2) 03/01/31 8.750 18,745 5 Citizens Communications Co., Global Senior Notes (BBB , Baa2) 08/15/31 9.000 6,690 15 Citizens Communications Co., Notes (BBB , Baa2) 05/15/06 8.500 17,392 15 Deutsche Telekom International Finance, Global Company Guaranteed (BBB+ , Baa3) 06/15/05 8.250 16,673 65 Verizon Wireless, Inc., Global Notes (A+ , A3) 12/15/06 5.375 70,114 ------------ 216,819 ------------ TOTAL CORPORATE BONDS (Cost $2,393,096) 2,500,123 ------------ </Table> See Accompanying Notes to Financial Statements. 31 <Page> <Table> <Caption> PAR RATINGS+ (000) (S&P/MOODY'S) MATURITY RATE% VALUE ----- ------------------ ---------- ----- ------------ ASSET BACKED SECURITIES (6.0%) $ 30 Aesop Funding II LLC, Series 2003-2A, Class A2++ (AAA , Aaa) 06/20/07 1.579 $ 30,000 110 Ameriquest Mortgage Securities, Series 2003, Class AF1 (AAA , Aaa) 05/01/10 5.250 110,000 65 Citibank Credit Card Issuance Trust, Series 2002-A1, Class A1 (AAA , Aaa) 02/09/09 4.950 70,027 102 Countrywide Home Equity Loan Trust, Series 2002-C, Class A # (AAA , Aaa) 05/15/28 1.550 101,821 100 Ford Credit Auto Owner Trust, Series 2003-A, Class A4B # (AAA , Aaa) 06/15/07 1.400 100,094 100 Honda Auto Receivables Owner Trust, Series 2001-2, Class A4 (AAA , Aaa) 10/18/06 5.090 103,572 120 MBNA Master Credit Card Trust, Series 1996-G, Class A # (AAA , Aaa) 12/15/08 1.490 120,495 100 MBNA Master Credit Card Trust, Series 1997-J, Class A # (AAA , Aaa) 02/15/07 1.430 100,145 ------------ 736,154 ------------ TOTAL ASSET BACKED SECURITIES (Cost $736,165) MORTGAGE-BACKED SECURITIES (42.2%) 180 Fannie Mae Pool #704674 (AAA , Aaa) 04/01/18 5.500 187,579 232 Fannie Mae Pool #650077 (AAA , Aaa) 07/01/32 7.500 248,190 88 Fannie Mae Pool #662830 (AAA , Aaa) 10/01/32 7.500 95,006 64 Fannie Mae Pool #665382 (AAA , Aaa) 10/01/32 8.000 68,954 157 Fannie Mae Pool #674585 (AAA , Aaa) 12/01/32 6.500 164,582 29 Fannie Mae Pool #678886 (AAA , Aaa) 01/01/33 7.000 31,058 79 Fannie Mae Pool #254658 (AAA , Aaa) 02/01/33 7.000 84,713 40 Fannie Mae Pool #685447 (AAA , Aaa) 02/01/33 7.000 42,313 99 Fannie Mae Pool #702129 (AAA , Aaa) 03/01/33 6.500 103,303 39 Fannie Mae Pool #254702 (AAA , Aaa) 03/01/33 7.000 40,847 148 Fannie Mae Pool #702130 (AAA , Aaa) 03/01/33 7.000 156,410 385 Fannie Mae TBA (AAA , Aaa) 05/01/33 5.000 396,791 50 Fannie Mae TBA (AAA , Aaa) 05/01/33 5.500 52,000 380 Fannie Mae TBA (AAA , Aaa) 05/01/33 5.500 390,450 225 Fannie Mae TBA (AAA , Aaa) 05/01/33 6.000 235,828 720 Fannie Mae TBA (AAA , Aaa) 05/01/33 6.000 749,475 110 Fannie Mae TBA (AAA , Aaa) 05/01/33 6.500 116,566 325 Fannie Mae TBA (AAA , Aaa) 05/01/33 6.500 339,625 35 Fannie Mae, Global Bonds ^^ (AAA , Aaa) 01/15/08 3.250 35,437 125 Fannie Mae, Global Bonds (AAA , Aaa) 11/15/30 6.625 149,917 310 Fannie Mae, Global Notes (AAA , Aaa) 06/15/06 5.250 338,363 185 Freddie Mac ^^ (AAA , Aaa) 09/15/07 3.500 190,376 24 Freddie Mac Pool #E90951 (AAA , Aaa) 08/01/17 6.500 25,750 75 Freddie Mac TBA (AAA , Aaa) 05/01/33 5.000 77,320 55 Freddie Mac, Global Notes ^^ (AAA , Aaa) 01/15/05 1.875 55,321 305 Freddie Mac, Global Notes (AAA , Aaa) 01/15/13 4.500 312,165 </Table> See Accompanying Notes to Financial Statements. 32 <Page> <Table> <Caption> PAR RATINGS+ (000) (S&P/MOODY'S) MATURITY RATE% VALUE ----- ------------------ ---------- ----- ------------ MORTGAGE-BACKED SECURITIES (CONCLUDED) $ 115 Ginnie Mae TBA (AAA , Aaa) 05/01/33 6.000 $ 120,220 205 Ginnie Mae TBA (AAA , Aaa) 05/01/33 6.500 215,442 105 Ginnie Mae TBA (AAA , Aaa) 05/01/33 7.000 111,366 ------------ TOTAL MORTGAGE-BACKED SECURITIES (Cost $5,101,362) 5,135,367 ------------ FOREIGN BONDS (1.1%) SOVEREIGN (1.1%) 25 Malaysia, Global Bonds (BBB+ , Baa1) 07/15/11 7.500 29,388 95 United Mexican States, Global Notes (BBB- , Baa2) 01/16/13 6.375 99,750 ------------ TOTAL FOREIGN BONDS (Cost $126,787) 129,138 ------------ UNITED STATES TREASURY OBLIGATIONS (28.3%) UNITED STATES TREASURY OBLIGATIONS (28.3%) 525 United States Treasury Bonds (AAA , Aaa) 02/15/31 5.375 573,029 35 United States Treasury Notes (AAA , Aaa) 03/31/05 1.625 35,115 1,125 United States Treasury Notes++++ (AAA , Aaa) 02/15/08 3.000 1,136,954 1,700 United States Treasury Notes (AAA , Aaa) 02/15/13 3.875 1,702,790 ------------ TOTAL UNITED STATES TREASURY OBLIGATIONS (Cost $3,402,395) 3,447,888 ------------ <Caption> NUMBER OF SHARES ------- PREFERRED STOCK (0.2%) TELECOMMUNICATIONS (0.2%) 20 Centaur Funding Corp., Rule 144A++ (Cost $23,257) 23,381 ------------ <Caption> PAR (000) ----- SHORT-TERM UNITED STATES TREASURY OBLIGATION (0.5%) UNITED STATES TREASURY BILLS (0.5%) $ 55 United States Treasury Bills (Cost $54,976) (AAA , Aaa) 05/15/03 1.150 54,977 ------------ SHORT-TERM UNITED STATES AGENCY OBLIGATION (16.4%) UNITED STATES GOVERNMENT AGENCY SECURITY (16.4%) 2,000 Federal Home Loan Bank Discount Note ^^ (Cost $2,000,000) (AAA , Aaa) 05/01/03 1.250 2,000,000 ------------ </Table> See Accompanying Notes to Financial Statements. 33 <Page> <Table> <Caption> PAR (000) MATURITY RATE% VALUE ----- ---------- ----- ------------ SHORT-TERM INVESTMENT (5.7%) $ 693 State Street Bank and Trust Co. Euro Time Deposit ^^ (Cost $693,000) 05/01/03 1.188 $ 693,000 ------------ TOTAL INVESTMENTS AT VALUE (120.9%) (Cost $14,531,038) 14,720,028 LIABILITIES IN EXCESS OF OTHER ASSETS (-20.9%) (2,740,907) ------------ NET ASSETS (100.0%) $ 11,979,121 ============ </Table> INVESTMENT ABBREVIATIONS TBA = To Be Announced - ---------- + Credit ratings given by the Standard & Poor's Division of The McGraw-Hill Companies, Inc. and Moody's Investors Service, Inc. ++ Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration, normally to qualified institutional buyers. At April 30, 2003, these securities amounted to a value of $107,403.13 or 0.90% of net assets. ++++ Collateral segregated for futures contracts. ^^ Collateral segregated for TBA securities. # Variable rate obligations -- The interest rate shown is the rate as of April 30, 2003. See Accompanying Notes to Financial Statements. 34 <Page> This page intentionally left blank <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. STATEMENTS OF ASSETS AND LIABILITIES April 30, 2003 (Unaudited) <Table> <Caption> LARGE CAP VALUE SMALL CAP GROWTH PORTFOLIO PORTFOLIO ---------------- ---------------- ASSETS Investments at value (Cost $35,313,940, $49,404,626, $9,454,817, $9,794,877, $1,618,408, $14,531,038, respectively) (Note 1) $ 31,926,729 $ 45,880,751 Cash 320 602 Receivable from investment adviser (Note 2) -- -- Receivable for investments sold -- 64,418 Dividend and interest receivable 49,216 3,807 Receivable for fund shares sold 14,954 -- Unrealized appreciation on forward currency contracts -- -- Prepaid expenses and other assets 7,465 3,755 ---------------- ---------------- Total Assets 31,998,684 45,953,333 ---------------- ---------------- LIABILITIES Advisory fee payable (Note 2) 1,368 19,082 Administrative services fee payable (Note 2) 5,634 8,149 Payable for investments purchased -- 379,095 Variation margin payable -- -- Payable for fund shares redeemed -- 150,597 Other accrued expenses payable 35,116 43,653 ---------------- ---------------- Total Liabilities 42,118 600,576 ---------------- ---------------- NET ASSETS Capital stock, $0.001 par value (Note 6) 41,494 6,708 Paid-in capital (Note 6) 40,055,260 105,644,690 Accumulated undistributed net investment income (loss) 115,666 (186,526) Accumulated net realized gain (loss) on investments and futures transactions (4,868,643) (56,588,240) Net unrealized appreciation (depreciation) from investments, futures transactions and foreign currency translations (3,387,211) (3,523,875) ---------------- ---------------- Net Assets $ 31,956,566 $ 45,352,757 ================ ================ Shares outstanding 41,493,669 6,708,369 ---------------- ---------------- Net asset value, offering price, and redemption price per share $ 0.77 $ 6.76 ================ ================ </Table> See Accompanying Notes to Financial Statements. 36 <Page> <Table> <Caption> CAPITAL SELECT EQUITY APPRECIATION PORTFOLIO PORTFOLIO ---------------- ---------------- ASSETS Investments at value (Cost $35,313,940, $49,404,626, $9,454,817, $9,794,877, $1,618,408, $14,531,038, respectively) (Note 1) $ 10,044,395 $ 9,242,929 Cash 743 278 Receivable from investment adviser (Note 2) 9,103 7,558 Receivable for investments sold 106,897 162,852 Dividend and interest receivable 5,503 520 Receivable for fund shares sold 45,567 1,283 Unrealized appreciation on forward currency contracts -- -- Prepaid expenses and other assets 10,261 9,488 ---------------- ---------------- Total Assets 10,222,469 9,424,908 ---------------- ---------------- LIABILITIES Advisory fee payable (Note 2) -- -- Administrative services fee payable (Note 2) 1,772 1,626 Payable for investments purchased 134,717 82,981 Variation margin payable -- -- Payable for fund shares redeemed -- -- Other accrued expenses payable 34,988 36,118 ---------------- ---------------- Total Liabilities 171,477 120,725 ---------------- ---------------- NET ASSETS Capital stock, $0.001 par value (Note 6) 1,240 1,246 Paid-in capital (Note 6) 10,582,580 12,520,977 Accumulated undistributed net investment income (loss) 13,696 3,879 Accumulated net realized gain (loss) on investments and futures transactions (1,136,102) (2,669,971) Net unrealized appreciation (depreciation) from investments, futures transactions and foreign currency translations 589,578 (551,948) ---------------- ---------------- Net Assets $ 10,050,992 $ 9,304,183 ================ ================ Shares outstanding 1,239,755 1,245,618 ---------------- ---------------- Net asset value, offering price, and redemption price per share $ 8.11 $ 7.47 ================ ================ <Caption> INVESTMENT HARBINGER GRADE FIXED PORTFOLIO INCOME PORTFOLIO ---------------- ---------------- ASSETS Investments at value (Cost $35,313,940, $49,404,626, $9,454,817, $9,794,877, $1,618,408, $14,531,038, respectively) (Note 1) $ 1,634,164 $ 14,720,028 Cash 50,833 763 Receivable from investment adviser (Note 2) 13,313 16,201 Receivable for investments sold 68,451 527,224 Dividend and interest receivable -- 91,186 Receivable for fund shares sold -- -- Unrealized appreciation on forward currency contracts -- 9,417 Prepaid expenses and other assets 12,471 7,156 ---------------- ---------------- Total Assets 1,779,232 15,371,975 ---------------- ---------------- LIABILITIES Advisory fee payable (Note 2) -- -- Administrative services fee payable (Note 2) 310 1,871 Payable for investments purchased 71,260 3,341,045 Variation margin payable -- 8,422 Payable for fund shares redeemed -- -- Other accrued expenses payable 38,924 41,516 ---------------- ---------------- Total Liabilities 110,494 3,392,854 ---------------- ---------------- NET ASSETS Capital stock, $0.001 par value (Note 6) 172 1,163 Paid-in capital (Note 6) 1,699,828 11,350,338 Accumulated undistributed net investment income (loss) (5,230) (6,113) Accumulated net realized gain (loss) on investments and futures transactions (41,788) 453,622 Net unrealized appreciation (depreciation) from investments, futures transactions and foreign currency translations 15,756 180,111 ---------------- ---------------- Net Assets $ 1,668,738 $ 11,979,121 ================ ================ Shares outstanding 172,061 1,162,938 ---------------- ---------------- Net asset value, offering price, and redemption price per share $ 9.70 $ 10.30 ================ ================ </Table> See Accompanying Notes to Financial Statements. 37 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. STATEMENTS OF OPERATIONS For the Six Months Ended April 30, 2003 (Unaudited) <Table> <Caption> LARGE CAP VALUE SMALL CAP GROWTH PORTFOLIO PORTFOLIO ---------------- ---------------- INVESTMENT INCOME (NOTE 1) Dividends $ 291,648 $ 24,150 Interest 6,529 19,482 Foreign taxes withheld -- -- ---------------- ---------------- Total investment income 298,177 43,632 ---------------- ---------------- EXPENSES Investment advisory fees (Note 2) 115,628 209,235 Administrative services fees (Note 2) 26,355 40,091 Legal fees 18,673 18,290 Printing fees (Note 2) 17,125 14,178 Registration fees 12,579 18,165 Audit fees 11,180 12,426 Insurance expense 3,735 4,287 Transfer agent fees 1,979 2,418 Custodian fees 1,975 10,290 Directors' fees 1,171 1,171 Miscellaneous expense 1,896 2,196 ---------------- ---------------- Total expenses 212,296 332,747 Less: fees waived and expenses reimbursed (Note 2) (96,668) (102,589) ---------------- ---------------- Net expenses 115,628 230,158 ---------------- ---------------- Net investment income (loss) 182,549 (186,526) ---------------- ---------------- NET REALIZED AND UNREALIZED GAIN (LOSS) FROM INVESTMENTS Net realized gain (loss) from investments (2,536,143) (5,385,114) Net realized loss from futures contracts -- -- Net change in unrealized appreciation (depreciation) from investments 3,110,919 7,813,463 Net change in unrealized appreciation (depreciation) from futures transactions -- -- Net change in unrealized appreciation (depreciation) from foreign currency translations -- -- ---------------- ---------------- Net realized and unrealized gain (loss) from investments, futures transactions, and foreign currency related items 574,776 2,428,349 ---------------- ---------------- Net increase (decrease) in net assets resulting from operations $ 757,325 $ 2,241,823 ================ ================ </Table> See Accompanying Notes to Financial Statements. 38 <Page> <Table> <Caption> CAPITAL SELECT EQUITY APPRECIATION PORTFOLIO PORTFOLIO ---------------- ---------------- INVESTMENT INCOME (NOTE 1) Dividends $ 69,946 $ 34,488 Interest 1,944 2,331 Foreign taxes withheld -- -- ---------------- ---------------- Total investment income 71,890 36,819 ---------------- ---------------- EXPENSES Investment advisory fees (Note 2) 26,218 21,960 Administrative services fees (Note 2) 9,416 8,697 Legal fees 16,187 16,503 Printing fees (Note 2) 15,735 15,743 Registration fees 7,976 6,876 Audit fees 11,072 11,072 Insurance expense 3,102 3,227 Transfer agent fees 810 1,853 Custodian fees 6,297 2,878 Directors' fees 1,235 1,171 Miscellaneous expense 92 125 ---------------- ---------------- Total expenses 98,140 90,105 Less: fees waived and expenses reimbursed (Note 2) (58,814) (57,165) ---------------- ---------------- Net expenses 39,326 32,940 ---------------- ---------------- Net investment income (loss) 32,564 3,879 ---------------- ---------------- NET REALIZED AND UNREALIZED GAIN (LOSS) FROM INVESTMENTS Net realized gain (loss) from investments (505,613) (1,089,044) Net realized loss from futures contracts -- -- Net change in unrealized appreciation (depreciation) from investments 889,161 1,242,151 Net change in unrealized appreciation (depreciation) from futures transactions -- -- Net change in unrealized appreciation (depreciation) from foreign currency translations -- -- ---------------- ---------------- Net realized and unrealized gain (loss) from investments, futures transactions, and foreign currency related items 383,548 153,107 ---------------- ---------------- Net increase (decrease) in net assets resulting from operations $ 416,112 $ 156,986 ================ ================ <Caption> INVESTMENT HARBINGER GRADE FIXED PORTFOLIO INCOME PORTFOLIO ---------------- ---------------- INVESTMENT INCOME (NOTE 1) Dividends $ 479 $ -- Interest 357 187,296 Foreign taxes withheld -- 522 ---------------- ---------------- Total investment income 836 187,818 ---------------- ---------------- EXPENSES Investment advisory fees (Note 2) 4,333 16,174 Administrative services fees (Note 2) 989 16,076 Legal fees 9,703 23,904 Printing fees (Note 2) 9,475 15,340 Registration fees 6,669 9,354 Audit fees 7,814 11,846 Insurance expense -- 3,195 Transfer agent fees 4,137 708 Custodian fees 1,876 9,358 Directors' fees 687 1,133 Miscellaneous expense 2,386 331 ---------------- ---------------- Total expenses 48,069 107,419 Less: fees waived and expenses reimbursed (Note 2) (42,003) (85,853) ---------------- ---------------- Net expenses 6,066 21,566 ---------------- ---------------- Net investment income (loss) (5,230) 166,252 ---------------- ---------------- NET REALIZED AND UNREALIZED GAIN (LOSS) FROM INVESTMENTS Net realized gain (loss) from investments (41,788) 471,483 Net realized loss from futures contracts -- (778) Net change in unrealized appreciation (depreciation) from investments 15,756 (29,465) Net change in unrealized appreciation (depreciation) from futures transactions -- (34,053) Net change in unrealized appreciation (depreciation) from foreign currency translations -- 9,417 ---------------- ---------------- Net realized and unrealized gain (loss) from investments, futures transactions, and foreign currency related items (26,032) 416,604 ---------------- ---------------- Net increase (decrease) in net assets resulting from operations $ (31,262) $ 582,856 ================ ================ </Table> See Accompanying Notes to Financial Statements. 39 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. STATEMENTS OF CHANGES IN NET ASSETS <Table> <Caption> LARGE CAP VALUE PORTFOLIO -------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE YEAR APRIL 30, 2003 ENDED (UNAUDITED) OCTOBER 31, 2002 -------------------- -------------------- FROM OPERATIONS Net investment income (loss) $ 182,549 $ 218,798 Net realized gain (loss) from investments and futures transactions (2,536,143) (2,320,985) Net change in unrealized appreciation (depreciation) from investments, futures transactions, and foreign currency translations 3,110,919 (6,690,935) -------------------- -------------------- Net increase (decrease) in net assets resulting from operations 757,325 (8,793,122) -------------------- -------------------- FROM DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income (280,013) (32,547) Distributions from net realized gains -- -- -------------------- -------------------- Net decrease in net assets from dividends and distributions (280,013) (32,547) -------------------- -------------------- FROM CAPITAL SHARE TRANSACTIONS (Note 6) Proceeds from sale of shares 1,703,886 46,426,583 Reinvestment of dividends and distributions 280,013 32,547 Net asset value of shares redeemed (2,603,459) (8,539,237) -------------------- -------------------- Net increase (decrease) in net assets from capital share transactions (619,560) 37,919,893 -------------------- -------------------- Net increase (decrease) in net assets (142,248) 29,094,224 NET ASSETS Beginning of period 32,098,814 3,004,590 -------------------- -------------------- End of period $ 31,956,566 $ 32,098,814 ==================== ==================== UNDISTRIBUTED NET INVESTMENT INCOME (LOSS) $ 115,666 $ 213,130 ==================== ==================== <Caption> SMALL CAP GROWTH PORTFOLIO -------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE YEAR APRIL 30, 2003 ENDED (UNAUDITED) OCTOBER 31, 2002 -------------------- -------------------- FROM OPERATIONS Net investment income (loss) $ (186,526) $ (687,862) Net realized gain (loss) from investments and futures transactions (5,385,114) (12,823,636) Net change in unrealized appreciation (depreciation) from investments, futures transactions, and foreign currency translations 7,813,463 7,910,400 -------------------- -------------------- Net increase (decrease) in net assets resulting from operations 2,241,823 (5,601,098) -------------------- -------------------- FROM DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income -- -- Distributions from net realized gains -- -- -------------------- -------------------- Net decrease in net assets from dividends and distributions -- -- -------------------- -------------------- FROM CAPITAL SHARE TRANSACTIONS (Note 6) Proceeds from sale of shares 6,453,258 13,121,626 Reinvestment of dividends and distributions -- -- Net asset value of shares redeemed (11,120,360) (79,580,255) -------------------- -------------------- Net increase (decrease) in net assets from capital share transactions (4,667,102) (66,458,629) -------------------- -------------------- Net increase (decrease) in net assets (2,425,279) (72,059,727) NET ASSETS Beginning of period 47,778,036 119,837,763 -------------------- -------------------- End of period $ 45,352,757 $ 47,778,036 ==================== ==================== UNDISTRIBUTED NET INVESTMENT INCOME (LOSS) $ (186,526) $ -- ==================== ==================== </Table> See Accompanying Notes to Financial Statements. - ---------- (1) For the period January 31, 2002 (inception date) through October 31, 2002. (2) For the period January 15, 2003 (inception date) through April 30, 2003. (3) For the period May 1, 2002 (inception date) through October 31, 2002. 40 <Page> <Table> <Caption> SELECT EQUITY PORTFOLIO -------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE PERIOD APRIL 30, 2003 ENDED (UNAUDITED) OCTOBER 31, 2002(1) -------------------- -------------------- FROM OPERATIONS Net investment income (loss) $ 32,564 $ 19,138 Net realized gain (loss) from investments and futures transactions (505,613) (630,489) Net change in unrealized appreciation (depreciation) from investments, futures transactions, and foreign currency translations 889,161 (299,583) -------------------- -------------------- Net increase (decrease) in net assets resulting from operations 416,112 (910,934) -------------------- -------------------- FROM DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income (38,005) -- Distributions from net realized gains -- -- -------------------- -------------------- Net decrease in net assets from dividends and distributions (38,005) -- -------------------- -------------------- FROM CAPITAL SHARE TRANSACTIONS (Note 6) Proceeds from sale of shares 676,154 13,778,575 Reinvestment of dividends and distributions 38,005 -- Net asset value of shares redeemed (2,767,823) (1,141,092) -------------------- -------------------- Net increase (decrease) in net assets from capital share transactions (2,053,664) 12,637,483 -------------------- -------------------- Net increase (decrease) in net assets (1,675,557) 11,726,549 NET ASSETS Beginning of period 11,726,549 -- -------------------- -------------------- End of period $ 10,050,992 $ 11,726,549 ==================== ==================== UNDISTRIBUTED NET INVESTMENT INCOME (LOSS) $ 13,696 $ 19,137 ==================== ==================== <Caption> CAPITAL APPRECIATION PORTFOLIO -------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE PERIOD APRIL 30, 2003 ENDED (UNAUDITED) OCTOBER 31, 2002(1) -------------------- -------------------- FROM OPERATIONS Net investment income (loss) $ 3,879 $ (5,054) Net realized gain (loss) from investments and futures transactions (1,089,044) (1,580,927) Net change in unrealized appreciation (depreciation) from investments, futures transactions, and foreign currency translations 1,242,151 (1,794,099) -------------------- -------------------- Net increase (decrease) in net assets resulting from operations 156,986 (3,380,080) -------------------- -------------------- FROM DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income -- -- Distributions from net realized gains -- -- -------------------- -------------------- Net decrease in net assets from dividends and distributions -- -- -------------------- -------------------- FROM CAPITAL SHARE TRANSACTIONS (Note 6) Proceeds from sale of shares 800,741 17,428,603 Reinvestment of dividends and distributions -- -- Net asset value of shares redeemed (964,465) (4,737,602) -------------------- -------------------- Net increase (decrease) in net assets from capital share transactions (163,724) 12,691,001 -------------------- -------------------- Net increase (decrease) in net assets (6,738) 9,310,921 NET ASSETS Beginning of period 9,310,921 -- -------------------- -------------------- End of period $ 9,304,183 $ 9,310,921 ==================== ==================== UNDISTRIBUTED NET INVESTMENT INCOME (LOSS) $ 3,879 $ -- ==================== ==================== <Caption> HARBINGER INVESTMENT GRADE FIXED PORTFOLIO INCOME PORTFOLIO -------------------- -------------------------------------------- FOR THE PERIOD FOR THE SIX MONTHS ENDED ENDED FOR THE PERIOD APRIL 30, 2003 APRIL 30, 2003 ENDED (UNAUDITED)(2) (UNAUDITED) OCTOBER 31, 2002(3) -------------------- -------------------- -------------------- FROM OPERATIONS Net investment income (loss) $ (5,230) $ 166,252 $ 217,165 Net realized gain (loss) from investments and futures transactions (41,788) 470,705 199,517 Net change in unrealized appreciation (depreciation) from investments, futures transactions, and foreign currency translations 15,756 (54,101) 234,212 -------------------- -------------------- -------------------- Net increase (decrease) in net assets resulting from operations (31,262) 582,856 650,894 -------------------- -------------------- -------------------- FROM DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income -- (172,365) (217,685) Distributions from net realized gains -- (216,079) -- -------------------- -------------------- -------------------- Net decrease in net assets from dividends and distributions -- (388,444) (217,685) -------------------- -------------------- -------------------- FROM CAPITAL SHARE TRANSACTIONS (Note 6) Proceeds from sale of shares 1,700,000 9,157,866 16,255,673 Reinvestment of dividends and distributions -- 370,263 217,685 Net asset value of shares redeemed -- (14,305,080) (344,907) -------------------- -------------------- -------------------- Net increase (decrease) in net assets from capital share transactions 1,700,000 (4,776,951) 16,128,451 -------------------- -------------------- -------------------- Net increase (decrease) in net assets 1,668,738 (4,582,539) 16,561,660 NET ASSETS Beginning of period -- 16,561,660 -- -------------------- -------------------- -------------------- End of period $ 1,668,738 $ 11,979,121 $ 16,561,660 ==================== ==================== ==================== UNDISTRIBUTED NET INVESTMENT INCOME (LOSS) $ (5,230) $ (6,113) $ -- ==================== ==================== ==================== </Table> See Accompanying Notes to Financial Statements. 41 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- LARGE CAP VALUE PORTFOLIO FINANCIAL HIGHLIGHTS (For a Share of the Portfolio Outstanding Throughout Each Period) <Table> <Caption> FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED OCTOBER 31, APRIL 30, 2003 ------------------------------------------------------------- (UNAUDITED) 2002 2001 2000 1999 1998 -------------- --------- --------- --------- --------- --------- PER SHARE DATA Net asset value, beginning of period $ 0.76 $ 0.85 $ 11.01 $ 13.32 $ 11.53 $ 10.64 -------------- --------- --------- --------- --------- --------- INVESTMENT OPERATIONS Net investment income 0.01 0.01 0.011 0.24 0.16 0.16 Net gain (loss) on investments (both realized and unrealized) 0.01 (0.09) (0.28) 0.31 1.76 0.86 -------------- --------- --------- --------- --------- --------- Total from investment operations 0.02 (0.08) (0.27) 0.55 1.92 1.02 -------------- --------- --------- --------- --------- --------- LESS DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income (0.01) (0.01) (0.03) (0.22) (0.13) (0.08) Distributions from net realized gains -- -- (9.86) (2.64) -- (0.05) -------------- --------- --------- --------- --------- --------- Total dividends and distributions (0.01) (0.01) (9.89) (2.86) (0.13) (0.13) -------------- --------- --------- --------- --------- --------- NET ASSET VALUE, END OF PERIOD $ 0.77 $ 0.76 $ 0.85 $ 11.01 $ 13.32 $ 11.53 ============== ========= ========= ========= ========= ========= Total Return(2) 2.21% (9.68)% (4.34)% 5.59% 16.82% 9.76% RATIOS AND SUPPLEMENTAL DATA Net assets, end of period (000s omitted) $ 31,957 $ 32,099 $ 3,005 $ 3,112 $ 36,332 $ 58,910 Ratio of expenses to average net assets(3) 0.75%(4) 0.75% 0.75% 0.77% 0.76% 0.75% Ratio of net investment income to average net assets 1.18%(4) 0.85% 1.16% 1.28% 1.01% 1.27% Decrease reflected in above operating expense ratios due to waivers/ reimbursements 0.63%(4) 0.63% 2.17% 1.36% 0.39% 0.44% Portfolio turnover rate 20% 72% 45% 218% 79% 71% </Table> - ---------- (1) Per share information is calculated using the average share outstanding method. (2) Total returns are historical and assume changes in share price and reinvestments of all dividends and distributions. Had certain expenses not been reduced during the periods shown, total returns would have been lower. Total returns for periods less than one year are not annualized. (3) Interest earned on uninvested cash balances is used to offset portions of the transfer agent expense. These arrangements resulted in a reduction to the Portfolio's net expense ratio by .00%, .02%, .01% and .00% for the years ended October 31, 2001, 2000, 1999, and 1998, respectively. The Portfolio's operating expense ratio after reflecting these arrangements was .75% for each of the years ending October 31, 2001, 2000, 1999, and 1998, respectively. For the six months ended April 30, 2003 and the year ended October 31, 2002, there were no transfer agent credits. (4) Annualized. See Accompanying Notes to Financial Statements. 42 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- SMALL CAP GROWTH PORTFOLIO FINANCIAL HIGHLIGHTS (For a Share of the Portfolio Outstanding Throughout Each Period) <Table> <Caption> FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED OCTOBER 31, APRIL 30, 2003 ------------------------------------------------------------- (UNAUDITED) 2002 2001 2000 1999 1998 -------------- --------- --------- --------- --------- --------- PER SHARE DATA Net asset value, beginning of period $ 6.44 $ 8.13 $ 22.50 $ 17.89 $ 12.89 $ 15.89 -------------- --------- --------- --------- --------- --------- INVESTMENT OPERATIONS Net investment loss (0.03) (0.09) (0.08) (0.15) (0.12) (0.08) Net gain (loss) on investments (both realized and unrealized) 0.35 (1.60) (5.27) 5.98 5.12 (2.92) -------------- --------- --------- --------- --------- --------- Total from investment operations 0.32 (1.69) (5.35) 5.83 5.00 (3.00) -------------- --------- --------- --------- --------- --------- LESS DISTRIBUTIONS Distributions from net realized gains -- -- (9.02) (1.22) -- -- -------------- --------- --------- --------- --------- --------- NET ASSET VALUE, END OF PERIOD $ 6.76 $ 6.44 $ 8.13 $ 22.50 $ 17.89 $ 12.89 ============== ========= ========= ========= ========= ========= Total Return(1) 4.97% (20.79)% (37.01)% 33.05% 38.79% (18.88)% RATIOS AND SUPPLEMENTAL DATA Net assets, end of period (000s omitted) $ 45,353 $ 47,778 $ 119,838 $ 274,009 $ 236,679 $ 194,164 Ratio of expenses to average net assets(2) 0.99%(3) 0.99% 0.99% 1.01% 1.00% 0.99% Ratio of net investment loss to average net assets (0.80)%(3) (0.84)% (0.68)% (0.57)% (0.68)% (0.54)% Decrease reflected in above operating expense ratios due to waivers/ reimbursements 0.44%(3) 0.29% 0.20% 0.16% 0.19% 0.18% Portfolio turnover rate 32% 70% 80% 88% 108% 73% </Table> - ---------- (1) Total returns are historical and assume changes in share price and reinvestments of all dividends and distributions. Had certain expenses not been reduced during the periods shown, total returns would have been lower. Total returns for periods less than one year are not annualized. (2) Interest earned on uninvested cash balances is used to offset portions of the transfer agent expense. These arrangements resulted in a reduction to the Portfolio's net expense ratio by .00%, .02%, .01% and .00% for the years ended October 31, 2001, 2000, 1999, and 1998, respectively. The Portfolio's operating expense ratio after reflecting these arrangements was .99% for each of the years ending October 31, 2001, 2000, 1999, and 1998, respectively. For the six months ended April 30, 2003 and the year ended October 31, 2002, there were no transfer agent credits. (3) Annualized. See Accompanying Notes to Financial Statements. 43 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- SELECT EQUITY PORTFOLIO FINANCIAL HIGHLIGHTS (For a Share of the Portfolio Outstanding Throughout Each Period) <Table> <Caption> FOR THE SIX FOR THE YEAR MONTHS ENDED ENDED APRIL 30, 2003 OCTOBER 31, (UNAUDITED) 2002(1) -------------- -------------- PER SHARE DATA Net asset value, beginning of period $ 7.87 $ 10.00 -------------- -------------- INVESTMENT OPERATIONS Net investment income 0.03 0.01 Net gain (loss) on investments (both realized and unrealized) 0.24 (2.14) -------------- -------------- Total from investment operations 0.27 (2.13) -------------- -------------- LESS DIVIDENDS Dividends from net investment income (0.03) -- -------------- -------------- Total dividends (0.03) -- -------------- -------------- NET ASSET VALUE, END OF PERIOD $ 8.11 $ 7.87 ============== ============== Total Return(2) 3.37% (21.30)% RATIOS AND SUPPLEMENTAL DATA Net assets, end of period (000s omitted) $ 10,051 $ 11,727 Ratio of expenses to average net assets(3) 0.75% 0.75% Ratio of net investment income to average net assets(3) 0.62% 0.56% Decrease reflected in above operating expense ratios due to waivers/reimbursements3 1.12% 1.74% Portfolio turnover rate 32% 79% </Table> - ---------- (1) For the period January 31, 2002 (inception date) through October 31, 2002. (2) Total returns are historical and assume changes in share price and reinvestments of all dividends and distributions. Had certain expenses not been reduced during the periods shown, total returns would have been lower. Total returns for periods less than one year are not annualized. (3) Annualized. See Accompanying Notes to Financial Statements. 44 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- CAPITAL APPRECIATION PORTFOLIO FINANCIAL HIGHLIGHTS (For a Share of the Portfolio Outstanding Throughout Each Period) <Table> <Caption> FOR THE SIX FOR THE PERIOD MONTHS ENDED ENDED APRIL 30, 2003 OCTOBER 31, (UNAUDITED) 2002(1) -------------- -------------- PER SHARE DATA Net asset value, beginning of period $ 7.37 $ 10.00 -------------- -------------- INVESTMENT OPERATIONS Net investment income(2) 0.00 0.00 Net gain (loss) on investments (both realized and unrealized) 0.10 (2.63) -------------- -------------- Total from investment operations 0.10 (2.63) -------------- -------------- NET ASSET VALUE, END OF PERIOD $ 7.47 $ 7.37 ============== ============== Total Return(3) 1.36% (26.30)% RATIOS AND SUPPLEMENTAL DATA Net assets, end of period (000s omitted) $ 9,304 $ 9,311 Ratio of expenses to average net assets4 0.75% 0.75% Ratio of net investment income (loss) to average net assets(4) 0.09% (0.07)% Decrease reflected in above operating expense ratios due to waivers/reimbursements4 1.30% 0.76% Portfolio turnover rate 31% 56% </Table> - ---------- (1) For the period January 31, 2002 (inception date) through October 31, 2002. (2) Total is less than $0.01 per share. (3) Total returns are historical and assume changes in share price and reinvestments of all dividends and distributions. Had certain expenses not been reduced during the periods shown, total returns would have been lower. Total returns for periods less than one year are not annualized. (4) Annualized. See Accompanying Notes to Financial Statements. 45 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- HARBINGER PORTFOLIO FINANCIAL HIGHLIGHTS (For a Share of the Portfolio Outstanding Throughout The Period) <Table> <Caption> FOR THE PERIOD MONTHS ENDED APRIL 30, 2003 (UNAUDITED)(1) -------------- PER SHARE DATA Net asset value, beginning of period $ 10.00 -------------- INVESTMENT OPERATIONS Net investment loss (0.03) Net loss on investments (both realized and unrealized) (0.27) -------------- Total from investment operations (0.30) -------------- NET ASSET VALUE, END OF PERIOD $ 9.70 ============== Total Return(2) (3.00)% RATIOS AND SUPPLEMENTAL DATA Net assets, end of period (000s omitted) $ 1,669 Ratio of expenses to average net assets(3) 1.40% Ratio of net investment loss to average net assets(3) (1.21)% Decrease reflected in above operating expense ratios due to waivers/reimbursements(3) 9.69% Portfolio turnover rate 16% </Table> - ---------- (1) For the period January 15, 2003 (inception date) through April 30, 2003. (2) Total returns are historical and assume changes in share price and reinvestments of all dividends and distributions. Had certain expenses not been reduced during the periods shown, total returns would have been lower. Total returns for periods less than one year are not annualized. (3) Annualized. See Accompanying Notes to Financial Statements. 46 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INVESTMENT GRADE FIXED INCOME PORTFOLIO FINANCIAL HIGHLIGHTS (For a Share of the Portfolio Outstanding Throughout Each Period) <Table> <Caption> FOR THE SIX FOR THE PERIOD MONTHS ENDED ENDED APRIL 30, 2003 OCTOBER 31, (UNAUDITED) 2002(1),(2) -------------- -------------- PER SHARE DATA Net asset value, beginning of period $ 10.24 $ 10.00 -------------- -------------- INVESTMENT OPERATIONS Net investment income 0.20 0.17 Net gain on investments, futures, and foreign currency related items (both realized and unrealized) 0.19 0.24 -------------- -------------- Total from investment operations 0.39 0.41 -------------- -------------- LESS DIVIDENDS AND DISTRIBUTIONS Dividends from net investment income (0.20) (0.17) Distributions from net realized gains (0.13) -- -------------- -------------- Total dividends and distributions (0.33) (0.17) -------------- -------------- NET ASSET VALUE, END OF PERIOD $ 10.30 $ 10.24 ============== ============== Total Return(3) 3.92% 4.15% RATIOS AND SUPPLEMENTAL DATA Net assets, end of period (000s omitted) $ 11,979 $ 16,562 Ratio of expenses to average net assets(4) 0.40% 0.40% Ratio of net investment income to average net assets(4) 3.08% 3.27% Decrease reflected in above operating expense ratios due to waivers/reimbursements(4) 1.59% 1.05% Portfolio turnover rate 426% 172% </Table> - ---------- (1) For the period May 1, 2002 (inception date) through October 31, 2002. (2) As required, effective November 1, 2001, the Portfolio adopted the provisions of AICPA Audit and Accounting Guide for Investment Companies and began including paydown gains and losses in interest income. The effect of this change is less than $0.01 per share for the year ended October 31, 2002 on net investment income, net realized and unrealized gains and losses and the ratio of net investment income to average net assets. (3) Total returns are historical and assume changes in share price and reinvestments of all dividends and distributions. Had certain expenses not been reduced during the periods shown, total returns would have been lower. Total returns for periods less than one year are not annualized. (4) Annualized. See Accompanying Notes to Financial Statements. 47 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. NOTES TO FINANCIAL STATEMENTS April 30, 2003 (Unaudited) NOTE 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES The Credit Suisse Institutional Fund, Inc. (the "Fund") is registered under the Investment Company Act of 1940, as amended (the "1940 Act"), as an open-end management investment company and currently offers seven managed investment funds, of which six are contained in this report. The Large Cap Value Portfolio ("Large Cap Value") and the Capital Appreciation Portfolio ("Capital Appreciation") are classified as diversified; The Small Cap Growth Portfolio ("Small Cap Growth"), the Select Equity Portfolio ("Select Equity"), the Harbinger Portfolio ("Harbinger"), and the Investment Grade Fixed Income Portfolio ("Investment Grade Fixed Income") are each classified as non-diversified (each a "Portfolio" and collectively, the "Portfolios"). The Fund was incorporated under the laws of the State of Maryland on May 14, 1992. Investment objectives for each Portfolio are as follows: Large Cap Value and Investment Grade Fixed Income seek total return; Small Cap Growth seeks capital growth; Capital Appreciation and Select Equity seek long-term capital appreciation; and Harbinger seeks long-term growth of capital. A) SECURITY VALUATION -- The net asset value of each Portfolio is determined daily as of the close of regular trading on the New York Stock Exchange, Inc. on each day the Exchange is open for business. Each Portfolio's equity investments are valued at market value, which is generally determined using the closing price on the exchange or market on which the security is primarily traded. If no sales are reported, equity investments are generally valued at the most recent bid price. Debt securities with a remaining maturity greater than 60 days are valued on the basis of broker quotations or valuations provided by a pricing service that may use a matrix, formula or other objective method that takes into consideration market indices, yield curves and other specific adjustments. Securities and other assets for which market quotations are not readily available are valued at fair value as determined in good faith by the Board of Directors under procedures established by the Board of Directors in the absence of readily ascertainable market values. Debt obligations that will mature in 60 days or less are valued on the basis of amortized cost, which approximates market value, unless the Board determines that using this method would not reflect an investment's fair value. B) FOREIGN CURRENCY TRANSACTIONS -- The books and records of the Portfolios are maintained in U.S. dollars. Transactions denominated in 48 <Page> foreign currencies are recorded at the current prevailing exchange rates. All assets and liabilities denominated in foreign currencies are translated into U.S. dollar amounts at the current exchange rate at the end of the period. Translation gains or losses resulting from changes in the exchange rate during the reporting period and realized gains and losses on the settlement of foreign currency transactions are reported in the results of operations for the current period. The Portfolios do not isolate that portion of realized gains and losses on investments in equity securities which is due to changes in the foreign exchange rate from that which is due to changes in market prices of equity securities. The Portfolios isolate that portion of realized gains and losses on investments in debt securities which is due to changes in the foreign exchange rate from that which is due to changes in market prices of debt securities. C) SECURITY TRANSACTIONS AND INVESTMENT INCOME -- Security transactions are accounted for on a trade date basis. Interest income is recorded on the accrual basis. Dividends are recorded on the ex-dividend date. The cost of investments sold is determined by use of the specific identification method for both financial reporting and income tax purposes. D) DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS -- Dividends from net investment income and distributions of net realized capital gains, if any, are declared and paid at least annually for Large Cap Value, Capital Appreciation, Small Cap Growth, Select Equity and Harbinger. Dividends from net investment income are declared daily and paid monthly for Investment Grade Fixed Income. However, to the extent that a net realized capital gain can be reduced by a capital loss carryover, such gain will not be distributed. Income and capital gain distributions are determined in accordance with federal income tax regulations which may differ from accounting principles generally accepted in the United States of America ("GAAP"). E) FEDERAL INCOME TAXES -- No provision is made for federal taxes as it is each Portfolio's intention to continue to qualify for and elect the tax treatment applicable to regulated investment companies under the Internal Revenue Code of 1986, as amended, and make the requisite distributions to its shareholders which will be sufficient to relieve it from federal income and excise taxes. 49 <Page> F) USE OF ESTIMATES -- The preparation of financial statements in conformity with GAAP 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 these estimates. G) SHORT-TERM INVESTMENTS -- The Portfolios, together with other funds/portfolios advised by Credit Suisse Asset Management, LLC ("CSAM"), an indirect, wholly-owned subsidiary of Credit Suisse Group, pool available cash into a short-term time deposit issued by State Street Bank and Trust Company ("SSB"), the Portfolios' custodian. The short-term time deposit is a variable rate account classified as a short-term investment. H) FORWARD FOREIGN CURRENCY CONTRACTS -- Investment Grade Fixed Income Portfolio may enter into forward foreign currency contracts for the purchase or sale of a specific foreign currency at a fixed price on a future date. Risks may arise upon entering into these contracts from the potential inability of counter-parties to meet the terms of their contracts and from unanticipated movements in the value of a foreign currency. The Portfolio will enter into forward foreign currency contracts primarily for hedging purposes. Forward foreign currency contracts are adjusted by the daily exchange rate of the underlying currency and any gains or losses are recorded for financial statement purposes as unrealized until the contract settlement date or an offsetting position is entered into. At April 30, 2003, the Portfolio had the following open forward foreign currency contracts: <Table> <Caption> FOREIGN FORWARD FOREIGN EXPIRATION CURRENCY TO BE CONTRACT CONTRACT UNREALIZED CURRENCY CONTRACT DATE PURCHASED/(SOLD) AMOUNT VALUE GAIN (LOSS) - ----------------- ---------- ---------------- ---------- ---------- ----------- Australian Dollar 6/5/03 $ 43,000 $ 26,205 $ 26,837 $ 632 Australian Dollar 6/5/03 $ (43,000) (25,520) (26,837) (1,317) Canadian Dollar 6/5/03 $ 39,000 26,166 27,140 974 Canadian Dollar 6/5/03 $ 136,000 91,146 94,642 3,496 Canadian Dollar 6/5/03 $ 174,000 118,169 121,086 2,917 European Economic Unit 6/5/03 EURO 24,000 26,064 26,800 736 European Economic Unit 6/5/03 EURO 109,000 118,764 121,718 2,954 European Economic Unit 6/5/03 EURO (24,000) (25,825) (26,800) (975) ---------- ---------- ----------- $ 355,169 $ 364,586 $ 9,417 ========== ========== =========== </Table> 50 <Page> I) TBA PURCHASE COMMITMENTS -- The Portfolios may enter into "TBA" (to be announced) purchase commitments to purchase securities for a fixed price at a future date, typically not exceeding 45 days. TBA purchase commitments may be considered securities in themselves, and involve a risk of loss if the value of the security to be purchased declines prior to settlement date. This risk is in addition to the risk of decline in each Portfolio's other assets. Unsettled TBA purchase commitments are valued at the current market value of the underlying securities, according to the procedures described under "Security Valuation" above. J) FUTURES -- Each Portfolio may enter into futures contracts to the extent permitted by its investment policies and objectives. Upon entering into a futures contract, each Portfolio is required to deposit cash or pledge U.S. Government securities as initial margin. Subsequent payments, which are dependent on the daily fluctuations in the value of the underlying instrument, are made or received by the Portfolio each day (daily variation margin) and are recorded as unrealized gains or losses until the contracts are closed. When the contracts are closed, the Portfolio records a realized gain or loss equal to the difference between the proceeds from (or cost of) the closing transactions and the Portfolio's basis in the contract. Risks of entering into futures contracts for hedging purposes include the possibility that a change in the value of the contract may not correlate with the changes in the value of the underlying instruments. In addition, the purchase of a futures contract involves the risk that the Portfolio could lose more than the original margin deposit and subsequent payments required for a futures transaction. At April 30, 2003, Investment Grade Fixed Income had the following open futures contracts: <Table> <Caption> UNREALIZED NUMBER OF EXPIRATION CONTRACT CONTRACT APPRECIATION/ FUTURES CONTRACTS CONTRACTS DATE AMOUNT VALUE (DEPRECIATION) - ----------------- --------- ---------- ------------- ------------ -------------- U.S. Treasury 2 Year Notes Futures 7 06/27/03 $ 1,502,964 $ 1,511,344 $ 8,380 U.S. Treasury Bonds Futures 1 06/19/03 112,756 114,031 1,275 --------- ------------- ------------ -------------- 8 $ 1,615,720 $ 1,625,375 $ 9,655 ========= ============= ============ ============== U.S. Treasury 5 Year Notes Futures (9) 06/19/03 $ (1,013,446) $ (1,023,750) $ (10,304) U.S. Treasury 10 Year Notes Futures (14) 06/19/03 (1,594,104) (1,611,750) (17,646) --------- ------------- ------------ -------------- (23) $ (2,607,550) $ (2,635,500) $ (27,950) ========= ============= ============ ============== </Table> 51 <Page> K) SECURITIES LENDING -- Loans of securities are required at all times to be secured by collateral at least equal to 102% of the market value of domestic securities on loan including any accrued interest thereon and 105% of the market value of foreign securities on loan including any accrued interest thereon. Cash collateral received by the Portfolios in connection with securities lending activity may be invested in a variety of investments including certain CSAM-advised funds or the AIM Institutional Funds -- Liquid Asset Portfolio. However, in the event of default or bankruptcy by the other party to the agreement, realization and/or retention of the collateral may be subject to legal proceedings. The Portfolios had no securities out on loan during the period ended April 30, 2003. Credit Suisse First Boston ("CSFB"), an affiliate of CSAM, has been engaged by the Portfolios to act as each Portfolios' securities lending agent. Prior to April 1, 2003, CSFB had agreed to charge the Portfolios fees for its securities lending activities equal to its costs in providing services as securities lending agent and had voluntarily waived such fees through March 31, 2003. Effective April 1, 2003, the Portfolios and CSFB entered into an arrangement to share the income earned from securities lending activities, whereby, generally, the Portfolios will receive 75% and CSFB will receive 25% of the income, in accordance with the provisions of the securities lending agency agreement. If CSFB should enter into a securities lending agency agreement with another comparable investment company client under which it will receive a smaller proportion of the fees, its fee agreement with the Portfolios shall be reduced to such lower fee amount. L) OTHER -- The Portfolios may invest in securities of foreign countries and governments which involve certain risks in addition to those inherent in domestic investments. Such risks generally include, among others, currency risks (fluctuations in currency exchange rates), information risk (key information may be inaccurate or unavailable) and political risk (expropriation, nationalization or the imposition of capital or currency controls or punitive taxes). Other risks of investing in foreign securities include liquidity and valuation risks. The Portfolios may be subject to taxes imposed by countries in which they invest, with respect to their investments in issuers existing or operating in such countries. Such taxes are generally based on income earned or repatriated and capital gains realized on the sale of such investments. The Portfolios accrue such taxes when the related income or gains are earned. 52 <Page> Each Portfolio may invest up to 15% of its net assets, except Small Cap Growth which may invest up to 10% of its net assets, in non-publicly traded securities. Non-publicly traded securities may be less liquid than publicly traded securities. Although these securities may be resold in privately negotiated transactions, the prices realized from such sales could differ from the price originally paid by the Portfolio or the current carrying values, and the difference could be material. NOTE 2. TRANSACTIONS WITH AFFILIATES AND RELATED PARTIES CSAM serves as investment adviser for each Portfolio. For its investment advisory services, CSAM is entitled to receive a fee from the portfolios based on the following fee structure: <Table> <Caption> PORTFOLIO ANNUAL RATE --------- ----------- Large Cap Value 0.75% of average daily net assets Small Cap Growth 0.90% of average daily net assets Select Equity 0.50% of average daily net assets Capital Appreciation 0.50% of average daily net assets Harbinger 1.00% of average daily net assets Investment Grade Fixed Income 0.30% of average daily net assets </Table> For the six months ended April 30, 2003 investment advisory fees earned and voluntarily waived, and expenses reimbursed for each Portfolio were as follows: <Table> <Caption> GROSS NET ADVISORY ADVISORY EXPENSE PORTFOLIO FEE WAIVER FEE REIMBURSEMENT --------- ---------- ---------- ---------- ------------- Large Cap Value $ 115,628 $ (96,668) $ 18,960 $ -- Small Cap Growth 209,235 (102,589) 106,646 -- Select Equity 26,218 (26,218) -- (22,010) Capital Appreciation 21,960 (21,960) -- (35,205) Harbinger 4,333 (4,333) -- (37,670) Investment Grade Fixed Income 16,174 (16,174) -- (69,679) </Table> Credit Suisse Asset Management Securities, Inc. ("CSAMSI"), an affiliate of CSAM, and SSB serve as co-administrators to the Portfolios. For its co-administrative services, CSAMSI currently receives a fee calculated at an annual rate of 0.10% of each Portfolio's average daily net assets. 53 <Page> For the six months ended April 30, 2003, co-administrative service fees earned by CSAMSI were as follows: <Table> <Caption> PORTFOLIO CO-ADMINISTRATION FEE --------- --------------------- Large Cap Value $ 15,417 Small Cap Growth 23,248 Select Equity 5,244 Capital Appreciation 4,392 Harbinger 433 Investment Grade Fixed Income 5,392 </Table> For its co-administrative services, SSB receives a fee, exclusive of out-of-pocket expenses, based upon the following fee structure calculated in total for all the Credit Suisse Funds/Portfolios co-administered by SSB and allocated based upon relative average net assets of each fund/portfolio. <Table> <Caption> AVERAGE DAILY NET ASSETS ANNUAL RATE ------------------------ ----------- First $5 billion .050% of average daily net assets Next $5 billion .035% of average daily net assets Over $10 billion .020% of average daily net assets </Table> For the six months ended April 30, 2003, co-administrative service fees earned by SSB (including out-of-pocket fees) were as follows: <Table> <Caption> PORTFOLIO CO-ADMINISTRATION FEE --------- --------------------- Large Cap Value $ 10,938 Small Cap Growth 16,843 Select Equity 4,172 Capital Appreciation 4,305 Harbinger 556 Investment Grade Fixed Income 10,684 </Table> For the six months ended April 30, 2003, Large Cap Value paid $440 in brokerage commissions from portfolio transactions with CSFB. 54 <Page> Merrill Corporation ("Merrill"), an affiliate of CSAM, has been engaged by the Portfolios to provide certain financial printing and fulfillment services. For the six months ended April 30, 2003, Merrill was paid for its services by the Portfolios as follows: <Table> <Caption> PORTFOLIO AMOUNT --------- -------- Large Cap Value $ 3,635 Small Cap Growth 3,635 Select Equity 3,635 Capital Appreciation 3,635 Harbinger 85 Investment Grade Fixed Income 3,572 </Table> NOTE 3. LINE OF CREDIT The Portfolios, together with other funds/portfolios advised by CSAM (collectively, the "Participating Funds"), participate in a $150 million committed, unsecured line of credit facility ("Credit Facility") with Deutsche Bank, A.G. as administrative agent and syndication agent and SSB as operations agent for temporary or emergency purposes. Under the terms of the Credit Facility, the Participating Portfolios pay an aggregate commitment fee at a rate of 0.10% per annum on the average unused amount of the Credit Facility, which is allocated among the Participating Portfolios in such manner as is determined by the governing Boards of the Participating Portfolios. In addition, the Participating Portfolios pay interest on borrowings at the Federal Funds rate plus 0.50%. At April 30, 2003, the Portfolios had no loans outstanding under the Credit Facility. During the six months ended April 30, 2003, the Portfolios had borrowings under the Credit Facility as follows: <Table> <Caption> WEIGHTED AVERAGE MAXIMUM AVERAGE DAILY INTEREST DAILY LOAN PORTFOLIO LOAN BALANCE RATE% OUTSTANDING - --------- ------------- --------- ----------- Select Equity $ 876,455 1.767% $ 1,067,000 </Table> 55 <Page> NOTE 4 PURCHASES AND SALES OF SECURITIES For the six months ended April 30, 2003, purchases and sales of investment securities (excluding short-term investments) and U.S. Government and Agency Obligations were as follows: <Table> <Caption> U.S. GOVERNMENT INVESTMENTS AND AGENCY OBLIGATIONS -------------------------- -------------------------- PORTFOLIO PURCHASES SALES PURCHASES SALES --------- ------------ ------------ ------------ ------------ Large Cap Value $ 6,000,202 $ 7,785,099 -- -- Small Cap Growth 13,746,181 16,806,951 -- -- Select Equity 3,274,283 5,539,364 -- -- Capital Appreciation 2,654,321 3,122,962 -- -- Harbinger 1,898,424 238,228 -- -- Investment Grade Fixed Income 4,832,754 7,579,962 $ 42,316,175 $ 46,148,958 </Table> At April 30, 2003, the identified cost for federal income tax purposes, as well as the gross unrealized appreciation from investments for those securities having an excess of value over cost, gross unrealized depreciation from investments for those securities having an excess of cost over value and the net unrealized appreciation (depreciation) from investments was as follows: <Table> <Caption> IDENTIFIED UNREALIZED UNREALIZED NET UNREALIZED PORTFOLIO COST APPRECIATION DEPRECIATION APPRECIATION (DEPRECIATION) --------- ------------ ------------ ------------ --------------------------- Large Cap Value $ 35,313,940 $ 504,338 $ (3,891,549) $ (3,387,211) Small Cap Growth 49,404,626 7,097,378 (10,621,253) (3,523,875) Select Equity 9,454,817 710,163 (120,585) 589,578 Capital Appreciation 9,794,877 313,100 (865,048) (551,948) Harbinger 1,618,408 97,106 (81,350) 15,756 Investment Grade Fixed Income 14,531,038 191,059 (2,168) 188,891 </Table> NOTE 5. RESTRICTED SECURITIES Certain investments of Small Cap Growth are restricted as to resale and are valued at fair value as determined in good faith by the Board of Directors under procedures established by the Board of Directors in the absence of readily ascertainable market values. The table below shows the number of shares held, the acquisition dates, aggregate costs, fair value as of April 30, 2003, the value per share of such securities and percentage of net assets which the securities represent. <Table> <Caption> PERCENTAGE SECURITY NUMBER ACQUISITION FAIR VALUE PER OF NET SECURITY TYPE OF SHARES DATES COST VALUE SHARE ASSETS -------- --------- --------- ----------- ----------- ----------- ---------- ---------- Planetweb, Inc. Pfd Stock 165,400 9/8/00 $ 898,389 $ 11,578 $ 0.07 0.03% Prescient Systems Pfd Stock 28,379 2/23/98 2,007,386 11,039 0.39 0.02% --------- ----------- ----------- ------- 193,779 $ 2,905,775 $ 22,617 0.05% ========= =========== =========== ======= </Table> 56 <Page> NOTE 6. CAPITAL SHARE TRANSACTIONS The Fund is authorized to issue up to sixteen billion full and fractional shares of common stock of separate series having a par value of $.001 per share. Shares of eight series have been classified, six of which constitute the interest in the Portfolios. Transactions in shares of each Portfolio were as follows: <Table> <Caption> LARGE CAP VALUE PORTFOLIO --------------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED APRIL 30, 2003 (UNAUDITED) OCTOBER 31, 2002 --------------------------------------------------- Shares sold 2,334,663 49,010,573 Shares issued in reinvestment of dividends 368,438 35,766 Shares redeemed (3,513,868) (10,286,028) ---------- ----------- Net increase (decrease) (810,767) 38,760,311 ========== =========== <Caption> SMALL CAP GROWTH PORTFOLIO --------------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED APRIL 30, 2003 (UNAUDITED) OCTOBER 31, 2002 --------------------------------------------------- Shares sold 1,022,762 1,843,056 Shares redeemed (1,731,183) (9,175,441) ---------- ----------- Net decrease (708,421) (7,332,385) ========== =========== <Caption> SELECT EQUITY PORTFOLIO --------------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED APRIL 30, 2003 (UNAUDITED) OCTOBER 31, 2002(1) --------------------------------------------------- Shares sold 88,007 1,616,060 Shares issued in reinvestment of dividends 4,652 -- Shares redeemed (342,352) (126,613) ---------- ----------- Net increase (decrease) (249,693) 1,489,447 ========== =========== <Caption> CAPITAL APPRECIATION PORTFOLIO --------------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED APRIL 30, 2003 (UNAUDITED) OCTOBER 31, 2002(1) --------------------------------------------------- Shares sold 115,728 1,813,764 Shares redeemed (132,740) (551,134) ---------- ----------- Net increase (decrease) (17,012) 1,262,630 ========== =========== </Table> 57 <Page> <Table> <Caption> HARBINGER PORTFOLIO --------------------------- FOR THE PERIOD ENDED APRIL 30, 2003(2) (UNAUDITED) --------------------------- Shares sold 172,061 ------- Net increase 172,061 ======= </Table> <Table> <Caption> INVESTMENT GRADE FIXED INCOME PORTFOLIO --------------------------------------------------- FOR THE SIX MONTHS ENDED FOR THE YEAR ENDED APRIL 30, 2003 (UNAUDITED) OCTOBER 31, 2002(3) --------------------------------------------------- Shares sold 899,738 1,630,312 Shares issued in reinvestment of dividends and distributions 36,222 21,463 Shares redeemed (1,390,455) (34,342) ---------- --------- Net increase (decrease) (454,495) 1,617,433 ========== ========= </Table> - ---------- (1) For the period January 31, 2002 (inception date) through October 31, 2002. (2) For the period ended January 15, 2003 (inception date) through April 30, 2003 (3) For the period May 1, 2002 (inception date) through October 31, 2002. On April 30, 2003, the number of shareholders that held 5% or more of the outstanding shares of each Portfolio was as follows: <Table> <Caption> NUMBER OF APPROXIMATE PERCENTAGE PORTFOLIO SHAREHOLDERS OF OUTSTANDING SHARES --------- ------------ ---------------------- Large Cap Value 2 98% Small Cap Growth 7 79% Select Equity 6 96% Capital Appreciation 3 98% Harbinger 3 99% Investment Grade Fixed Income 2 99% </Table> Some of the shareholders are comprised of omnibus accounts, which are held on behalf of several individual shareholders. 58 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- LARGE CAP VALUE PORTFOLIO SHAREHOLDER MEETING RESULTS (UNAUDITED) A special meeting of shareholders of the Credit Suisse Institutional Fund, Inc. -- Large Cap Value Portfolio (the "Portfolio") was held at 466 Lexington Avenue, 16th Floor, New York, NY 10017 on April 11, 2003 and adjourned to May 2, 2003 and May 16, 2003. The following matters were voted upon by the shareholders of the Portfolio and the results are presented below. Shares delivered not voted are included on the total for the proposals. All proposals were approved except Proposal 4, which required the affirmative vote of a majority of the shares of the Institutional Fund. 1. To Elect the Following Nominees as Directors: <Table> <Caption> FOR WITHHELD ---------- --------- Richard H. Francis 18,046,753 1,278,397 Jack W. Fritz 18,046,753 1,278,397 Joseph D. Gallagher 18,043,476 1,281,674 Jeffrey E. Garten 18,169,231 1,155,919 Peter F. Krogh 18,149,463 1,175,687 James S. Pasman, Jr. 18,146,187 1,178,963 Steven N. Rappaport 18,046,753 1,278,397 William W. Priest 18,046,753 1,278,397 Total Eligible Shares 40,889,082 Total Shares Voted 19,325,150 % of Shares Voted 47.26% </Table> 2-A. To Modify the Fundamental Investment Restriction on Borrowing Money: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 17,090,164 41.80% 88.44% Against 1,213,632 2.97% 6.28% Abstain 1,019,249 2.49% 5.27% Broker Non-votes 2,105 0.01% 0.01% </Table> 2-B. To Modify the Fundamental Investment Restriction on Lending: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 16,955,926 41.47% 87.74% Against 1,241,998 3.04% 6.43% Abstain 1,125,121 2.75% 5.82% Broker Non-votes 2,105 0.01% 0.01% </Table> 2-C. To Modify the Fundamental Investment Restriction on Real Estate Investments: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 17,103,078 41.83% 88.50% Against 1,287,283 3.15% 6.66% Abstain 932,684 2.28% 4.83% Broker Non-votes 2,105 0.01% 0.01% </Table> 59 <Page> 2-D. To Remove the Fundamental Investment Restriction on Short Sales: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 16,898,338 41.33% 87.44% Against 1,402,181 3.43% 7.26% Abstain 1,022,526 2.50% 5.29% Broker Non-votes 2,105 0.01% 0.01% </Table> 2-E. To Remove the Fundamental Investment Restriction on Margin Transactions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 17,019,800 41.62% 88.07% Against 1,390,329 3.40% 7.19% Abstain 912,916 2.23% 4.73% Broker Non-votes 2,105 0.01% 0.01% </Table> 2-F. To Remove the Fundamental Investment Restriction on Investments in Oil, Gas and Mineral Programs: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 17,050,395 41.70% 88.23% Against 1,159,388 2.84% 6.00% Abstain 1,113,262 2.72% 5.76% Broker Non-votes 2,105 0.01% 0.01% </Table> 3. To Change the Portfolio's Investment Objective from Fundamental to Non-Fundamental: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 16,901,721 41.34% 87.46% Against 1,375,268 3.36% 7.12% Abstain 1,046,056 2.56% 5.41% Broker Non-votes 2,105 0.01% 0.01% </Table> 4. To Amend the Charter Document to Allow Involuntary Redemptions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 16,909,739 41.36% 87.50% Against 1,161,943 2.84% 6.01% Abstain 1,251,363 3.06% 6.48% Broker Non-votes 2,105 0.01% 0.01% </Table> 60 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- SMALL CAP GROWTH PORTFOLIO SHAREHOLDER MEETING RESULTS (UNAUDITED) A special meeting of shareholders of the Credit Suisse Institutional Fund, Inc. -- Small Cap Growth Portfolio (the "Portfolio") was held at 466 Lexington Avenue, 16th Floor, New York, NY 10017 on April 11, 2003 and adjourned to May 2, 2003 and May 16, 2003. The following matters were voted upon by the shareholders of the Portfolio and the results are presented below. Shares delivered not voted are included on the total for the proposals. All proposals were approved except Proposals 3 and 4. Proposal 4 required the affirmative vote of a majority of the shares of the Institutional Fund. 1. To Elect the Following Nominees as Directors: <Table> <Caption> FOR WITHHELD ---------- -------- Richard H. Francis 6,726,328 -- Jack W. Fritz 6,726,328 -- Joseph D. Gallagher 6,726,328 -- Jeffrey E. Garten 6,726,328 -- Peter F. Krogh 6,726,328 -- James S. Pasman, Jr. 6,726,328 -- Steven N. Rappaport 6,726,328 -- William W. Priest 6,726,328 -- Total Eligible Shares 7,173,876 Total Shares Voted 6,726,328 % of Shares Voted 93.76% </Table> 2-A. To Modify the Fundamental Investment Restriction on Borrowing Money: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 4,344,668 60.56% 64.59% Against 408,974 5.70% 6.08% Abstain 1,696,482 23.65% 25.22% Broker Non-votes 276,205 3.85% 4.11% </Table> 2-B. To Modify the Fundamental Investment Restriction on Lending: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 4,753,641 66.26% 70.67% Against -- -- -- Abstain 1,696,482 23.65% 25.22% Broker Non-votes 276,205 3.85% 4.11% </Table> 2-C. To Modify the Fundamental Investment Restriction on Real Estate Investments: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 4,753,641 66.26% 70.67% Against -- -- -- Abstain 1,696,482 23.65% 25.22% Broker Non-votes 276,205 3.85% 4.11% </Table> 61 <Page> 2-D. To Remove the Fundamental Investment Restriction on Short Sales: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 4,344,668 60.56% 64.59% Against 408,974 5.70% 6.08% Abstain 1,696,482 23.65% 25.22% Broker Non-votes 276,205 3.85% 4.11% </Table> 2-E. To Remove the Fundamental Investment Restriction on Margin Transactions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 4,344,668 60.56% 64.59% Against 408,974 5.70% 6.08% Abstain 1,696,482 23.65% 25.22% Broker Non-votes 276,205 3.85% 4.11% </Table> 2-F. To Remove the Fundamental Investment Restriction on Investments in Oil, Gas and Mineral Programs: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 4,753,641 66.26% 70.67% Against -- -- -- Abstain 1,696,482 23.65% 25.22% Broker Non-votes 276,205 3.85% 4.11% </Table> 3. To Change the Portfolio's Investment Objective from Fundamental to Non-Fundamental: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 2,135,652 29.77% 31.75% Against 2,617,990 36.49% 38.92% Abstain 1,696,482 23.65% 25.22% Broker Non-votes 276,205 3.85% 4.11% </Table> 4. To Amend the Charter Document to Allow Involuntary Redemptions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 4,241,107 59.12% 63.05% Against 2,209,016 30.79% 32.84% Abstain -- -- -- Broker Non-votes 276,205 3.85% 4.11% </Table> 62 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- SELECT EQUITY PORTFOLIO SHAREHOLDER MEETING RESULTS (UNAUDITED) A special meeting of shareholders of the Credit Suisse Institutional Fund, Inc. -- Select Equity Portfolio (the "Portfolio") was held at 466 Lexington Avenue, 16th Floor, New York, NY 10017 on April 11, 2003 and adjourned to May 2, 2003 and May 16, 2003. The following matters were voted upon by the shareholders of the Portfolio and the results are presented below. The results shown below are for those matters on which all the Portfolios of the Fund, including the Select Equity Portfolio, voted together. Shares delivered not voted are included on the total for the proposals. Proposal 2 was not approved. The special meeting of shareholders at which Select Equity Portfolio was to consider those proposals specific to the Portfolio was adjourned because a quorum was not present to conduct business for the Portfolio. 1. To Elect the Following Nominees as Directors: <Table> <Caption> FOR WITHHELD ---------- --------- Richard H. Francis 29,883,655 1,541,947 Jack W. Fritz 29,883,655 1,541,947 Joseph D. Gallagher 29,879,018 1,546,584 Jeffrey E. Garten 30,005,366 1,420,236 Peter F. Krogh 29,986,365 1,439,237 James S. Pasman, Jr. 29,983,089 1,442,513 Steven N. Rappaport 29,882,594 1,543,008 William W. Priest 29,881,775 1,543,827 Total Eligible Shares 57,009,689 Total Shares Voted 31,425,602 % of Shares Voted 55.12% </Table> 2. To Amend the Charter Document to Allow Involuntary Redemptions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 26,189,709 45.94% 83.34% Against 3,354,780 5.89% 10.68% Abstain 1,550,272 2.72% 4.93% Broker Non-Votes 330,841 0.58% 1.05% </Table> 63 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- CAPITAL APPRECIATION PORTFOLIO SHAREHOLDER MEETING RESULTS (UNAUDITED) A special meeting of shareholders of the Credit Suisse Institutional Fund -- Capital Appreciation Portfolio (the "Portfolio") was held at 466 Lexington Avenue, 16th Floor, New York, NY 10017 on April 11, 2003 and adjourned to May 2, 2003 and May 16, 2003. The following matters were voted upon by the shareholders of the Portfolio and the results are presented below. Shares delivered not voted are included on the total for the proposals. All proposals were approved except Proposal 4, which required the affirmative vote of a majority of the shares of the Institutional Fund. 1. To Elect the Following Nominees as Directors: <Table> <Caption> FOR WITHHELD ---------- --------- Richard H. Francis 649,466 9,441 Jack W. Fritz 649,466 9,441 Joseph D. Gallagher 648,250 10,657 Jeffrey E. Garten 649,221 9,686 Peter F. Krogh 649,466 9,441 James S. Pasman, Jr. 649,466 9,441 Steven N. Rappaport 648,405 10,502 William W. Priest 648,252 10,655 Total Eligible Shares 1,182,537 Total Shares Voted 658,907 % of Shares Voted 55.72% </Table> 2-A. To Modify the Fundamental Investment Restriction on Borrowing Money: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 640,446 54.16% 97.20% Against 18,461 1.56% 2.80% Abstain -- -- -- </Table> 2-B. To Modify the Fundamental Investment Restriction on Lending: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 638,079 53.96% 96.84% Against 20,828 1.76% 3.16% Abstain -- -- -- </Table> 2-C. To Modify the Fundamental Investment Restriction on Real Estate Investments: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 641,048 54.21% 97.29% Against 17,859 1.51% 2.71% Abstain -- -- -- </Table> 64 <Page> 3. To Change the Portfolio's Investment Objective from Fundamental to Non-Fundamental: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 637,000 53.87% 96.68% Against 21,907 1.85% 3.32% Abstain -- -- -- </Table> 4. To Amend the Charter Document to Allow Involuntary Redemptions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 636,590 53.83% 96.61% Against 22,317 1.89% 3.39% Abstain -- -- -- </Table> 65 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- HARBINGER PORTFOLIO SHAREHOLDER MEETING RESULTS (UNAUDITED) A special meeting of shareholders of the Credit Suisse Institutional Fund, Inc. -- Harbinger Portfolio (the "Portfolio") was held at 466 Lexington Avenue, 16th Floor, New York, NY 10017 on April 11, 2003 and adjourned to May 2, 2003 and May 16, 2003. The following matters were voted upon by the shareholders of the Portfolio and the results are presented below. Shares delivered not voted are included on the total for the proposals. All proposals were approved except Proposal 4, which required the affirmative vote of a majority of the shares of the Institutional Fund. 1. To Elect the Following Nominees as Directors: <Table> <Caption> FOR WITHHELD ---------- --------- Richard H. Francis 130,000 -- Jack W. Fritz 130,000 -- Joseph D. Gallagher 130,000 -- Jeffrey E. Garten 130,000 -- Peter F. Krogh 130,000 -- James S. Pasman, Jr. 130,000 -- Steven N. Rappaport 130,000 -- William W. Priest 130,000 -- Total Eligible Shares 172,061 Total Shares Voted 130,000 % of Shares Voted 75.56% </Table> 2-A. To Modify the Fundamental Investment Restriction on Borrowing Money: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 130,000 75.56% 100.00% Against -- -- -- Abstain -- -- -- </Table> 2-B. To Modify the Fundamental Investment Restriction on Lending: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 130,000 75.56% 100.00% Against -- -- -- Abstain -- -- -- </Table> 2-C. To Modify the Fundamental Investment Restriction on Real Estate Investments: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 130,000 75.56% 100.00% Against -- -- -- Abstain -- -- -- </Table> 66 <Page> 3. To Change the Portfolio's Investment Objective from Fundamental to Non-Fundamental: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 130,000 75.56% 100.00% Against -- -- -- Abstain -- -- -- </Table> 4. To Amend the Charter Document to Allow Involuntary Redemptions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 130,000 75.56% 100.00% Against -- -- -- Abstain -- -- -- </Table> 67 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. -- INVESTMENT GRADE FIXED INCOME PORTFOLIO SHAREHOLDER MEETING RESULTS (UNAUDITED) A special meeting of shareholders of the Credit Suisse Institutional Fund, Inc. -- Investment Grade Fixed Income Portfolio (the "Portfolio") was held at 466 Lexington Avenue, 16th Floor, New York, NY 10017 on April 11, 2003 and adjourned to May 2, 2003 and May 16, 2003. The following matters were voted upon by the shareholders of the Portfolio and the results are presented below. Shares delivered not voted are included on the total for the proposals. All proposals were approved except Proposal 4, which required the affirmative vote of a majority of the shares of the Institutional Fund. 1. To Elect the Following Nominees as Directors: <Table> <Caption> FOR WITHHELD ---------- --------- Richard H. Francis 258,110 -- Jack W. Fritz 258,110 -- Joseph D. Gallagher 258,110 -- Jeffrey E. Garten 258,110 -- Peter F. Krogh 258,110 -- James S. Pasman, Jr. 258,110 -- Steven N. Rappaport 258,110 -- William W. Priest 258,110 -- Total Eligible Shares 258,110 Total Shares Voted 258,110 % of Shares Voted 100.00% </Table> 2-A. To Modify the Fundamental Investment Restriction on Borrowing Money: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 258,110 100.00% 100.00% Against -- -- -- Abstain -- -- -- </Table> 2-B. To Modify the Fundamental Investment Restriction on Lending: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 258,110 100.00% 100.00% Against -- -- -- Abstain -- -- -- </Table> 2-C. To Modify the Fundamental Investment Restriction on Real Estate Investments: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 258,110 100.00% 100.00% Against -- -- -- Abstain -- -- -- </Table> 68 <Page> 3. To Change the Portfolio's Investment Objective from Fundamental to Non-Fundamental: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 258,110 100.00% 100.00% Against -- -- -- Abstain -- -- -- </Table> 4. To Amend the Charter Document to Allow Involuntary Redemptions: <Table> <Caption> % OF TOTAL SHARES % OF TOTAL SHARES OUTSTANDING SHARES VOTED ---------- ----------------- ------------ For 258,110 100.00% 100.00% Against -- -- -- Abstain -- -- -- </Table> 69 <Page> CREDIT SUISSE INSTITUTIONAL FUND, INC. PRIVACY POLICY NOTICE We are committed to maintaining the privacy of every current and prospective customer. We recognize that you entrust important personal information to us, and we wish to assure you that we take seriously our responsibilities in protecting and safeguarding this information. In connection with making available investment products and services to current and potential customers, we may obtain nonpublic personal information about you. This information may include your name, address, e-mail address, social security number, account number, assets, income, financial situation, transaction history and other personal information. We may collect nonpublic information about you from the following sources: - Information we receive on applications, forms, questionnaires, web sites, agreements or in the course of establishing or maintaining a customer relationship; and - Information about your transactions with us, our affiliates, or others. We do not disclose any nonpublic personal information about our customers or former customers to anyone, except with your consent or as otherwise permitted by law. In cases where we believe that additional products and services may be of interest to you, we may share the information described above with our affiliates. We may also disclose this information to firms that perform services on our behalf. These agents and service providers are required to treat the information confidentially and use it only for the purpose for which it is provided. We restrict access to nonpublic personal information about you to those employees, agents or other parties who need to know that information to provide products or services to you or in connection with your investments with or through us. We maintain physical, electronic and procedural safeguards that comply with federal standards to guard your nonpublic personal information. NOTE: THIS NOTICE IS PROVIDED TO CLIENTS AND PROSPECTIVE CLIENTS OF CREDIT SUISSE ASSET MANAGEMENT, LLC ("CSAM"), CSAM CAPITAL INC., AND CREDIT SUISSE ASSET MANAGEMENT SECURITIES, INC., AND SHAREHOLDERS AND PROSPECTIVE SHAREHOLDERS IN CSAM SPONSORED AND ADVISED INVESTMENT COMPANIES, INCLUDING CREDIT SUISSE FUNDS, AND OTHER CONSUMERS AND CUSTOMERS, AS APPLICABLE. THIS NOTICE IS NOT INTENDED TO BE INCORPORATED IN ANY OFFERING MATERIALS BUT IS MERELY A STATEMENT OF OUR CURRENT PRIVACY POLICY, AND MAY BE AMENDED FROM TIME TO TIME UPON NOTICE TO YOU. THIS NOTICE IS DATED AS OF MAY 20, 2003. 70 <Page> [CREDIT SUISSE ASSET MANAGEMENT LOGO] P.O. BOX 55030, BOSTON, MA 02205-5030 800-222-8977 - www.csam-americas.com CREDIT SUISSE ASSET MANAGEMENT SECURITIES, INC., DISTRIBUTOR. CSILC-3-0403 <Page> ITEM 2. CODE OF ETHICS. Form N-CSR disclosure requirement not yet effective with respect to the Registrant. ITEM 3. AUDIT COMMITTEE FINANCIAL EXPERT. Form N-CSR disclosure requirement not yet effective with respect to the Registrant. ITEM 4. PRINCIPAL ACCOUNTANT FEES AND SERVICES. Form N-CSR disclosure requirement not yet effective with respect to the Registrant. ITEM 5. AUDIT COMMITTEE OF LISTED REGISTRANTS. Not applicable to the Registrant. <Page> ITEM 6. [RESERVED] ITEM 7. DISCLOSURE OF PROXY VOTING POLICIES AND PROCEDURES FOR CLOSED-END MANAGEMENT INVESTMENT COMPANIES. Not applicable to the Registrant. ITEM 8. [RESERVED] ITEM 9. CONTROLS AND PROCEDURES. (a) The Principal Executive Officer and Principal Financial Officer concluded that the Registrant's Disclosure Controls and Procedures are effective based on their evaluation of the Disclosure Controls and Procedures as of a date within 90 days of the filing date of this report. (b) There were no significant changes in Registrant's internal controls or in other factors that could significantly affect these controls subsequent to the date of their evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses. ITEM 10. EXHIBITS. (a) Form N-CSR disclosure requirement not yet effective with respect to the Registrant. (b) The certifications of the Registrant as required by Rule 30a-2 under the Act are exhibits to this report. 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. Credit Suisse Institutional Fund, Inc. /s/ Joseph D. Gallagher ----------------------- Name: Joseph D. Gallagher Title: Chief Executive Officer Date: July 2, 2003 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. /s/ Joseph D. Gallagher ----------------------- Name: Joseph D. Gallagher Title: Chief Executive Officer Date: July 2, 2003 <Page> /s/ Michael A. Pignataro Name: Michael A. Pignataro Title: Chief Financial Officer Date: July 2, 2003