Exhibit 99.1 KEYSPAN ACQUIRES EASTERN ENTERPRISES AND ENERGYNORTH -- NATION'S FIFTH LARGEST NATURAL-GAS COMPANY CREATED -- NEW YORK (NOVEMBER 9, 2000) - KeySpan Corporation [NYSE: KSE] yesterday created the largest natural gas-distribution company in the Northeast with the acquisition of Eastern Enterprises [NYSE:EFU] of Weston, MA, and EnergyNorth [NYSE:EI] of Manchester, NH. The last day of trading for Eastern or EnergyNorth common stock was yesterday, November 8, 2000. All former Eastern utilities (Boston Gas, Colonial Gas and Essex Gas) and the EnergyNorth utility (EnergyNorth Natural Gas) are now identified as KeySpan Energy Delivery. "Today we celebrate the culmination of an ambitious effort that has forged great companies into the largest gas-distribution company in the Northeast and the fifth largest in the United States," said Robert B. Catell, chairman and chief executive officer of KeySpan. "This expansion is a milestone in our company's history, and is a major step in implementing our strategy of growth and our vision of becoming the premier energy and services company in the Northeast. KeySpan anticipates tremendous growth for regulated and unregulated sales of natural gas and energy-related products and services throughout the region." This acquisition increases the customer base of KeySpan's regulated utilities from 1.6 to 2.4 million natural gas customers, and creates the market potential for KeySpan to expand to more than 5 million customers for energy and services. With market saturation for natural gas in the Northeast averaging only 35%, the area provides opportunities for significant growth in KeySpan's regulated gas business. The purchase is valued at approximately $2.5 billion -- $1.96 billion in equity and the assumption of $550 million in debt. KeySpan will ultimately finance the purchase of the equity of Eastern and EnergyNorth by issuing $1.65 billion in long-term debt and the balance with commercial paper. Following a review of the transaction, S&P has upgraded its rating of KeySpan to "A" and Moody's has affirmed its "A3" rating. KeySpan now has assets of more than $10 billion and projected annual revenues of $5 billion, resulting primarily from the consolidation of six utilities in New York and New England. With the closing, KeySpan becomes a registered holding company subject to regulation by the Securities and Exchange Commission under the Public Utility Holding Company Act of 1935. KeySpan expects the acquisition to yield pre-tax annual savings of approximately $40 million. These savings will result primarily from the elimination of duplicate corporate and administrative programs, greater efficiencies in operations and business processes, increased purchasing efficiencies, and consolidation of information systems. KeySpan expects to achieve personnel reductions through a variety of programs, including hiring freezes, attrition, and voluntary separation programs, including early retirement. All union contracts will be honored. THE CHANGE OF COMMAND "The sale of Eastern to KeySpan is the result of our efforts to maximize shareholder value," said J. Atwood Ives, chairman and CEO of Eastern Enterprises. "On behalf of management, I would like to thank all of our employees for their hard work and professionalism in our efforts to integrate our operations with KeySpan. Together, we have created an organization that is well-positioned to capitalize on the tremendous opportunities ahead of us." His sentiments were echoed by Robert R. Giordano, recently retired president and CEO of EnergyNorth. "The acquisition is exciting news for EnergyNorth," he said. "KeySpan's size and strength will provide unprecedented services to energy customers in New England." Catell remains chairman and CEO of the combined company. Ives and Giordano have retired from active management, and Ives has been appointed to KeySpan's board of directors. KeySpan's corporate headquarters will remain in New York, while Boston will serve as headquarters for the company's New England operations. "We have great respect for the excellent service Eastern and EnergyNorth employees have always provided their customers, and we welcome them to the KeySpan family of nearly 14,000 employees," said Catell. "We each have a proud history of more than 100 years of active community involvement -- a tradition we intend to continue." SHAREHOLDER TRANSACTIONS EASTERN ENTERPRISES SHAREHOLDERS. Eastern Enterprises shareholders will receive an acquisition price of $64.558 per share, paid in cash. This acquisition price reflects the original $64.00 price, plus a "ticking fee" of $0.558 per share ($0.006 per day for 93 days, August 7 through November 7, 2000). In addition, Eastern Enterprises shareholders will receive a portion of the fourth quarter dividend equal to $0.1692 per share. It will be paid on November 22 to shareholders of record as of November 8, 2000. The dividend calculation reflects the 36-day period from October 4 through November 8, 2000, at a rate of $0.0047 per day. Eastern Enterprises shareholders will receive instructions from the exchange agent, EquiServe Trust Company, shortly after November 8, 2000. Those holding shares with a broker (or "street name") should contact the broker about receiving payment directly from that broker. ENERGYNORTH SHAREHOLDERS. EnergyNorth shareholders will receive an acquisition price of $61.4587 per share, paid in cash. This acquisition price reflects the original $61.13 price, plus a "ticking fee" of $0.3287 per share (the Eastern Enterprises "ticking fee' of $0.558 multiplied by a pre-determined factor of .589). In addition, a prorated dividend of $0.2683 per share will be paid on November 22 to shareholders of record as of November 8, 2000. The prorated dividend calculation reflects the 69-day period from September 1 through November 8, 2000, at a rate of $0.35 per quarter ($0.35 multiplied by 69/90). EnergyNorth shareholders will receive instructions from the exchange agent, EquiServe Trust Company, shortly after November 8, 2000. Those holding shares with a broker (or "street name") should contact the broker about receiving payment directly from that broker. KEYSPAN SHAREHOLDERS. This transaction does not affect existing KeySpan shareholders. Therefore, no action is required by KeySpan shareholders. For more information, shareholders of Eastern Enterprises and EnergyNorth can contact EquiServe Trust Co., the exchange agent, at (800)736-3001, call the Eastern/EnergyNorth shareholder hotline at (781)647-2357, or visit the Investor Relations section of KeySpan's website: www.keyspanenergy.com. ---------------------- KEYSPAN'S ENERGY AND SERVICE COMPANIES KEYSPAN ENERGY DELIVERY NEW YORK (formerly Brooklyn Union) is a regulated utility that sells and delivers natural gas to homes and businesses in the New York City boroughs of Brooklyn, Queens and Staten Island. KEYSPAN ENERGY DELIVERY LONG ISLAND (formerly Brooklyn Union of Long Island) is a regulated utility that sells and delivers natural gas to homes and businesses in Nassau and Suffolk Counties, as well as the Rockaway Peninsula of Queens County, NY. KEYSPAN ENERGY DELIVERY NEW ENGLAND (formerly Boston Gas, Essex Gas, Colonial Gas and EnergyNorth Natural Gas) is a regulated utility that sells and delivers natural gas to homes and businesses in Massachusetts and New Hampshire. KEYSPAN HOME ENERGY SERVICES companies provide a full range of energy products and services for customers' homes, including heating, air conditioning and water heating equipment installation, service and repair. In addition, the company sells natural gas and electricity to residential customers through energy supply contracts. Eastern Enterprises' ServiceEdge, the largest unregulated provider of residential HVAC equipment installation and services in New England, will hereafter be identified as KeySpan Home Energy Services. KEYSPAN BUSINESS SOLUTIONS companies provide a full range of energy products and services to businesses, ranging from the installation of HVAC systems to providing practical energy management solutions for commercial and industrial facilities. The company also offers integrated architectural, engineering, construction and O&M services, as well as financing. In addition, the company sells and manages the delivery of natural gas and electricity to its business customers through energy supply contracts. EnergyNorth's non-utility subsidiary, ENI Mechanicals (which provides mechanical contracting and HVAC services to commercial and industrial customers through its Northern Peabody and Granite State Plumbing and Heating subsidiaries), will hereafter be identified as KeySpan Business Solutions. KEYSPAN COMMUNICATIONS owns and operates a fiber optic telecommunications network that provides capacity for internet service providers (ISP's), carriers, competitive local exchange carriers (CLEC's), businesses and educational facilities. Cooperative arrangements extend the network throughout the New York City market, with fiber access to Europe through cable landing sites on Long Island. KEYSPAN MYHOMEKEY is an Internet-based home-management business that allows customers to manage home repairs and maintenance, shop online, tailor their energy use, and customize their home security systems, among other services. The myHomeKey.com site also keeps consumers abreast of community events by allowing the sharing of information. In addition, EnergyNorth Propane and Eastern Enterprises' AMR Data Corporation and Midland Enterprises will be managed by KeySpan Energy Development Corporation. A member of the S&P 500, KeySpan is the largest distributor of natural gas in the Northeast, with 2.4 million gas customers. KeySpan is also the largest investor-owned electric generator in New York State and operates Long Island's electric system. In addition, KeySpan markets energy and Internet services, processes gas in Canada, and has investments in fiber-optic cable, natural-gas exploration, production, pipeline transportation, distribution and storage. For more information, visit KeySpan's web site at www.keyspanenergy.com Certain statements contained herein are forward-looking statements, which reflect numerous assumptions and involve a number of risks and uncertainties. Actual results may differ materially from those discussed in such statements. Among the factors that could cause actual results to differ materially are: general economic trends; fluctuations in gas and electric prices; available sources and cost of fuel; State and Federal regulatory initiatives that increase competition, threaten cost and investment recovery, and impact rate structures; the ability of the Company to successfully reduce its cost structure; the ability of the Company to successfully integrate acquired operations; the degree to which the Company develops non-regulated business ventures; the effect of inflationary trends and increases in interest rates; and risks detailed from time to time in reports and other documents filed by the Company with the Securities and Exchange Commission. Exhibit 99.2 PRO FORMA FINANCIAL INFORMATION The unaudited pro forma consolidated condensed balance sheet as of September 30, 2000 and the unaudited pro forma consolidated condensed income statements for the nine months ended September 30, 2000 and the year ended December 31, 1999 combine the historical information of KeySpan, Eastern and EnergyNorth. The unaudited pro forma consolidated condensed financial statements have been prepared to reflect our acquisitions of Eastern and EnergyNorth under the purchase method of accounting. Under the purchase method of accounting, assets acquired and liabilities assumed are recorded at their estimated fair values. The excess of the purchase price, including estimated fees and expenses directly related to the acquisition, in excess of the fair value of the net assets acquired is classified as goodwill on the accompanying unaudited pro forma consolidated condensed balance sheet. The estimated fair values and useful lives of assets acquired and liabilities assumed and any resulting goodwill, are subject to final valuation adjustments in accordance with generally accepted accounting principles. The pro forma adjustments reflected in the unaudited pro forma consolidated condensed balance sheet are as if the transactions had occurred on September 30, 2000. The unaudited pro forma consolidated condensed income statement for the nine months ended September 30, 2000 assumes that these transactions were completed on January 1, 2000. The unaudited pro forma consolidated condensed income statement for the year ended December 31, 1999 assumes that these transactions were completed on January 1, 1999. The unaudited pro forma consolidated condensed financial statements reflect our purchase of all of the outstanding common stock of Eastern for $64.56 per share in cash and all of the outstanding common stock of EnergyNorth for $61.46 per share in cash on November 8, 2000. On August 31, 1999, Eastern completed a merger with Colonial Gas Company which was accounted for using the purchase method of accounting; Eastern was the acquiring company for financial reporting purposes. The unaudited pro forma consolidated condensed income statement for the year ended December 31, 1999, therefore, reflects the results of operations of Colonial for the four month period September 1, 1999 through December 31, 1999. The unaudited pro forma consolidated condensed financial statements do not reflect the anticipated cost savings that may be obtained from the elimination of duplicate corporate and administrative programs in connection with the acquisitions or operating efficiencies that may result. We have identified before-tax synergy savings to be approximately $40 million annually. The following unaudited pro forma consolidated condensed financial statements should be read in conjunction with the historical consolidated financial statements and related notes thereto of KeySpan, Eastern and EnergyNorth. The following statements are not necessarily indicative of the financial position or operating results that would have occurred had the proposed transactions been consummated on the date, or at the beginning of the period, for which the proposed transactions are being given effect nor are they necessarily indicative of future operating results or financial position. KEYSPAN UNAUDITED PRO FORMA CONSOLIDATED CONDENSED BALANCE SHEET SEPTEMBER 30, 2000 Transaction Transaction KeySpan Eastern Adjustments Pro Forma EnergyNorth Adjustments Pro Forma ------------ ------------ -------------- ------------ -------------- ------------- ---------- (in thousands) ASSETS - ------ CURRENT ASSETS Cash and temporary cash investments $ 63,618 $ 39,122 $ (53,747)(4) $ 48,993 $ 175 $ (6,253) (11) $ 42,915 Customer accounts receivable, net 806,087 74,397 - 880,484 14,478 - 894,962 Other 486,856 195,025 - 681,881 15,916 - 697,797 ----------- ---------- ---------- ------------ --------- -------- ------------- 1,356,561 308,544 (53,747) 1,611,358 30,569 (6,253) 1,635,674 ----------- ---------- ---------- ------------ --------- -------- ------------- EQUITY INVESTMENTS AND OTHERS 427,557 14,265 - 441,822 - - 441,822 ----------- ---------- ---------- ------------ --------- -------- ------------- PROPERTY Electric 1,386,206 - - 1,386,206 - - 1,386,206 Gas 3,584,690 1,538,249 - 5,122,939 179,838 - 5,302,777 Other 393,252 684,401 - 1,077,653 8,016 - 1,085,669 Accumulated depreciation (1,688,283) (943,081) - (2,631,364) (60,445) - (2,691,809) Gas exploration and production 1,346,357 - - 1,346,357 - - 1,346,357 Accumulated depletion (582,912) - - (582,912) - - (582,912) ----------- ---------- ---------- ------------ --------- -------- ------------- 4,439,310 1,279,569 - 5,718,879 127,409 - 5,846,288 ----------- ---------- ---------- ------------ --------- -------- ------------- DEFERRED CHARGES Goodwill, net of amortization 350,552 242,497 1,126,767(1) 1,719,816 - 174,870(8) 1,894,686 Regulatory assets and other 678,541 138,778 53,747(4) 881,815 15,164 6,253(11) 904,483 - - 10,749(2) - - 1,251(9) - ----------- ---------- ---------- ------------ --------- -------- ------------- 1,029,093 381,275 1,191,263 2,601,631 15,164 182,374 2,799,169 ----------- ---------- ---------- ------------ --------- -------- ------------- TOTAL ASSETS $ 7,252,521 $1,983,653 $1,137,516 $ 10,373,690 $ 173,142 $176,121 $ 10,722,953 =========== ========== ========== ============ ========= ======== ============= LIABILITIES AND CAPITALIZATION CURRENT LIABILITIES Current maturities of long-term debt $ - $ 6,072 $ - $ 6,072 $ 777 - $ 6,849 Accounts payable and accrued expenses 876,771 154,747 - 1,031,518 21,094 - 1,052,612 Commercial paper 382,090 121,990 276,907(1) 899,033 21,503 32,224(8) 970,847 - - 8,100(2) - - 2,100(9) - - - 99,197(3) - - 14,736(10) - - - 10,749(2) - - 1,251(9) - ---------- ---------- --------- ---------- -------- --------- ------------- 1,258,861 282,809 394,953 1,936,623 43,374 50,311 2,030,308 ---------- ---------- --------- ---------- -------- --------- ------------- DEFERRED CREDITS AND OTHER LIABILITIES Deferred income taxes 238,748 183,728 - 422,476 21,698 - 444,174 Reserves and other liabilities 681,964 198,673 - 880,637 5,217 - 885,854 ---------- ---------- --------- ---------- -------- --------- ------------- 920,712 382,401 - 1,303,113 26,915 - 1,330,028 ---------- ---------- --------- ---------- -------- --------- ------------- GAS INVENTORY FINANCING - 59,657 - 59,657 11,455 - 71,112 ---------- ---------- --------- ---------- -------- --------- ------------- CAPITALIZATION Long-term debt 2,120,752 501,937 1,478,003(1) 4,100,692 45,211 171,997(8) 4,317,900 ---------- ---------- --------- ---------- -------- --------- ------------- Preferred stock 84,323 16,737 - 101,060 - - 101,060 ---------- ---------- --------- ---------- -------- --------- ------------- Common stock 2,987,242 274,028 (274,028)(1) 2,991,914 35,966 (35,966)(8) 2,991,914 - - 4,672(3) - - - - ---------- ------------ --------- --------- ---------- -------- ------------- Retained earnings 481,658 466,512 (466,512)(1) 481,658 10,221 (10,221)(8) 481,658 Accumulated comprehensive income (6,476) 155 (155)(1) (6,476) - - (6,476) Treasury stock purchased (702,435) (583) 583(1) (702,435) - - (702,435) ---------- ---------- --------- ---------- -------- --------- ------------- Total common shareholders equity 2,759,989 740,112 (735,440) 2,764,661 46,187 (46,187) 2,764,661 ---------- ---------- -------- ---------- -------- -------- ------------- Total capitalization 4,965,064 1,258,786 742,563 6,966,413 91,398 125,810 7,183,621 ---------- ---------- --------- ---------- -------- --------- ------------- MINORITY INTEREST 107,884 - - 107,884 - - 107,884 ---------- ---------- --------- ---------- -------- --------- ------------- TOTAL LIABILITIES AND CAPITALIZATION $7,252,521 $1,983,653 $1,137,516 $10,373,690 $173,142 $ 176,121 $ 10,722,953 ========== ========== ========= ========== ======== ========== ============= KEYSPAN UNAUDITED PRO FORMA CONSOLIDATED CONDENSED INCOME STATEMENT YEAR ENDED DECEMBER 31, 1999 Transaction Pro Transaction KeySpan Eastern Adjustments Forma EnergyNorth Adjustments Pro Forma ----------- ----------- ---------- ------------ ---------- ------- ------------ (dollars in thousands) REVENUES Gas Distribution $1,753,132 $ 690,809 - $ 2,443,941 $ 124,863 - $ 2,568,804 Marine Services - 267,269 - 267,269 - - 267,269 Electric Services 861,582 - - 861,582 - - 861,582 Gas Exploration and Production 150,581 - - 150,581 - - 150,581 Energy Related Services and Other 189,318 20,624 - 209,942 - - 209,942 ---------- ----------- --------- ------------ ---------- --------- ------------- Total Revenues 2,954,613 978,702 - 3,933,315 124,863 - 4,058,178 ---------- ----------- --------- ------------ ---------- --------- ------------- OPERATING EXPENSES Purchased gas 744,432 339,274 - 1,083,706 73,961 - 1,157,667 Purchased fuel 17,252 - - 17,252 - - 17,252 Operations and maintenance 1,091,166 403,465 - 1,494,631 27,086 - 1,521,717 Depreciation, depletion and amortization 253,440 81,373 28,169(6) 362,982 7,845 4,372 (13) 375,199 Operating taxes 366,154 41,151 - 407,305 3,812 - 411,117 ---------- ----------- --------- ----------- ---------- --------- ------------- Total Operating Expenses 2,472,444 865,263 28,169 3,365,876 112,704 4,372 3,482,952 ---------- ----------- --------- ----------- ---------- --------- ------------- OPERATING INCOME 482,169 113,439 (28,169) 567,439 12,159 (4,372) 575,226 ---------- ----------- --------- ----------- ---------- --------- ------------- OTHER INCOME AND (DEDUCTIONS) Income from equity investments 15,347 - - 15,347 - - 15,347 Interest income 26,993 7,964 - 34,957 - - 34,957 Minority interest (11,141) - - (11,141) - - (11,141) Other 6,297 8,980 - 15,277 525 - 15,802 ---------- ----------- --------- ----------- ---------- --------- ------------- Total Other Income 37,496 16,944 - 54,440 525 - 54,965 ---------- ----------- --------- ----------- ---------- --------- ------------- INCOME BEFORE INTEREST CHARGES AND INCOME TAXES 519,665 130,383 (28,169) 621,879 12,684 (4,372) 630,191 INTEREST CHARGES 124,692 37,274 147,220(5) 309,186 4,915 17,427 (12) 331,528 INCOME TAXES 136,362 36,154 (51,527(7) 120,989 3,740 (6,099)(14) 118,630 NET INCOME 258,611 56,955 (123,862) 191,704 4,029 (15,700) 180,033 Preferred stock dividend requirements 34,752 1,862 - 36,614 - - 36,614 Earnings for common stock $ 223,859 $ 55,093 $(123,862) $ 155,090 $ 4,029 $ (15,700) $ 143,419 ========== =========== ========= =========== ========== ========= ============= Averages shares outstanding (000) 138,526 - - 138,526 - - 138,526 BASIC AND DILUTED EARNINGS PER COMMON SHARE $ 1.62 - - $ 1.12 - - $ 1.04 ========== =========== ============= KEYSPAN UNAUDITED PRO FORMA CONSOLIDATED CONDENSED INCOME STATEMENT NINE MONTHS ENDED SEPTEMBER 30, 2000 Transaction Transaction KeySpan Eastern Adjustments Pro Forma EnergyNorth Adjustments Pro Forma ----------- ---------- ------------ ---------- ----------- ----------- ----------- (in thousands) REVENUES Gas Distribution $ 1,458,595 $ 576,084 - $ 2,034,679 $ 149,148 - $ 2,183,827 Marine Services - 211,751 - 211,751 - - 211,751 Electric Services 1,097,616 - - 1,097,616 - - 1,097,616 Gas Exploration and Production 169,966 - - 169,966 - - 169,966 Energy Related Services and Other 485,161 19,713 - 504,874 - - 504,874 --------- ------- --------- --------- -------- -------- ------------ Total Revenues 3,211,338 807,548 - 4,018,886 149,148 - 4,168,034 --------- ------- --------- --------- -------- -------- ------------ OPERATING EXPENSES Purchased gas 717,140 280,469 - 997,609 94,884 - 1,092,493 Purchased fuel 301,361 - - 301,361 - - 301,361 Operations and maintenance 1,156,355 357,955 - 1,514,310 33,334 - 1,547,644 Depreciation, depletion and amortization 216,364 73,051 21,127(6) 310,542 8,408 3,279(13) 322,229 Operating taxes 298,010 34,424 - 332,434 4,154 - 336,588 --------- ------- --------- --------- -------- -------- ------------ Total Operating Expenses 2,689,230 745,899 21,127 3,456,256 140,780 3,279 3,600,315 --------- ------- --------- --------- -------- -------- ------------ OPERATING INCOME 522,108 61,649 (21,127) 562,630 8,368 (3,279) 567,719 --------- ------- --------- --------- -------- -------- ------------ OTHER INCOME AND (DEDUCTIONS) Income from equity investments 16,333 - - 16,333 - - 16,333 Minority interest (13,747) - - (13,747) - - (13,747) Other 6,510 5,225 - 11,735 243 - 11,978 --------- ------- --------- --------- -------- -------- ------------ Total Other Income 9,096 5,225 - 14,321 243 - 14,564 --------- ------- --------- --------- -------- -------- ------------ INCOME BEFORE INTEREST CHARGES AND INCOME TAXES 531,204 66,874 (21,127) 576,951 8,611 (3,279) 582,283 INTEREST CHARGES 120,106 34,139 110,415(5) 264,660 5,332 13,070 (12) 283,062 INCOME TAXES 170,858 13,828 (38,645)(7) 146,041 3,137 (4,575)(14) 144,603 NET INCOME 240,240 18,907 (92,897) 166,250 142 (11,774) 154,618 Preferred stock dividend requirements 16,453 1,082 - 17,535 - - 17,535 Earnings for common stock $ 223,787 $17,825 $(92,897) $ 148,715 $ 142 $(11,774) $ 137,083 ========= ======= ========= ========= ======== ========= ============ Averages shares outstanding (000) 133,965 - - 133,965 - - 133,965 BASIC AND DILUTED EARNINGS PER COMMON SHARE $ 1.67 - - $ 1.11 - - $ 1.02 ========= ========= ============ NOTES TO THE UNAUDITED PRO FORMA CONSOLIDATED CONDENSED FINANCIAL STATEMENTS FOR THE PERIOD ENDED SEPTEMBER 30, 2000 NOTE 1. CASH CONSIDERATION AND ESTIMATED GOODWILL RELATED TO THE EASTERN ACQUISITION Cash consideration paid to Eastern shareholders will be refinanced from the proceeds of the Notes and commercial paper issuances. We will issue approximately $1.478 billion of Notes at an estimated annual effective interest rate of 8.149% and approximately $277 million of commercial paper at an estimated annual interest rate of 6.78%. We acquired all of the outstanding common stock of Eastern for $64.56 per share, in cash. The estimated goodwill reflects the recognition of the excess amount of the purchase price over the fair value of the net assets acquired, including costs incurred directly related to the consummation. The following represents the estimated goodwill calculation: Estimated Eastern common shares outstanding at date of closing 27,183,454 Share price $ 64.558 -------------- Purchase price $ 1,754,909,423 Common equity of Eastern (740,112,000) -------------- $ 1,014,797,423 Estimated transaction costs (see note 2) 8,100,000 Estimated restructuring and other costs (see note 3) 103,870,000 -------------- Estimated goodwill $ 1,126,767,423 ============== Amortization period 40 Estimated yearly amortization $ 28,169,186 Estimated nine months amortization $ 21,126,889 A final determination of goodwill will reflect purchase accounting adjustments based on the fair value of assets and liabilities acquired, actuarial valuations related to employee benefit plans, estimates with respect to the effect of consolidation of corporate and administrative functions, completion of studies related to environmental issues, possible contract and asset impairment charges, possible asset sales, and other adjustments. NOTE 2. ESTIMATED TRANSACTION COSTS ASSOCIATED WITH THE EASTERN ACQUISITION We have incurred direct expenses related to the acquisition, including accounting, investment banking, legal and consulting fees. The pro forma adjustments include an estimate for these costs of $8.1 million, which is included in goodwill. These costs will be refinanced through the issuance of commercial paper. We will also incur underwriting fees of approximately $10.7 million. These costs will be amortized to interest expense over the life of the related debt and will be financed through the issuance of commercial paper. NOTE 3. ESTIMATED RESTRUCTURING AND OTHER COSTS ASSOCIATED WITH THE EASTERN ACQUISITION Eastern has incurred direct expenses related to the acquisition, including accounting, investment banking, legal and consulting fees, of approximately $13.9 million. In addition, Eastern incurred expenses of approximately $76.3 million for contractual obligations, such as "change in control" payments and non-qualified stock options, that were "cashed out." These costs have been expensed as incurred by Eastern and have been included in the calculation of estimated goodwill. These costs will be refinanced through the issuance of commercial paper. Eastern has also incurred costs of approximately $9 million associated with a severance program. These costs have also been included in the calculation of estimated goodwill and will be financed through the issuance of commercial paper. Further, some Eastern options were converted to options to purchase KeySpan stock. The estimated value of such options, which were primarily fully vested, approximated $4.7 million and were recorded as additional purchase price consideration by us. NOTE 4. FORWARD STARTING SWAP AGREEMENT In anticipation of issuing long-term debt, we entered into forward starting swap agreements to hedge a portion of the risk that the cost of the issuance of the Notes would be adversely affected by changes in interest rates. Through September 30, 2000, we entered into $1.35 billion of forward starting swap agreements with interest rates that ranged from 6.86% to 7.78%. The maturities on these instruments range from 5 to 30 years. Based on interest rates effective as of October 30, 2000, we estimate that we may be obligated to pay counterparties approximately $54 million at the time of the issuance of the Notes. This amount will be amortized to interest expense over the life of the Notes and reflects the significant decrease in interest rates since we entered into the forward starting swap lock agreements. NOTE 5. INTEREST EXPENSE ASSOCIATED WITH THE EASTERN ACQUISITION Interest expense reflects the issuance of approximately $1.478 billion of Notes and approximately $277 million of commercial paper to refinance a portion of the Bridge Financing and other commercial paper, which was issued to finance a portion of the acquisition price of Eastern at estimated annual effective interest rates of 8.149% and 6.78%, respectively. The long-term debt interest rate is an all-inclusive rate that reflects the rates associated with our forward starting swap agreements, as well as our estimated credit spread and an estimate for the amortization of underwriting fees. Interest expense also reflects the issuance of commercial paper to finance transaction costs of approximately $118 million at an estimated annual interest rate of 6.78%. A change in the actual interest rate of 0.125%, as compared to the estimated interest rates, will change net income by approximately $1.5 million annually and by $1.1 million for nine months. NOTE 6. AMORTIZATION OF GOODWILL ASSOCIATED WITH THE EASTERN ACQUISITION Goodwill, which is not tax deductible, will be amortized over a 40 year period. NOTE 7. INCOME TAXES ASSOCIATED WITH THE EASTERN ACQUISITION Income taxes on the unaudited pro forma consolidated condensed income statement have been adjusted to reflect the tax deduction of interest expense at a rate of 35%. A tax benefit has not been provided for goodwill since it is not tax deductible. NOTE 8. CASH CONSIDERATION AND ESTIMATED GOODWILL ASSOCIATED WITH THE ENERGYNORTH ACQUISITION Cash consideration paid to EnergyNorth shareholders will be refinanced from the proceeds of the Notes and commercial paper issuances. We will issue approximately $172 million of Notes at an estimated annual effective interest rate of 8.149% and approximately $32 million of commercial paper at an estimated annual interest rate of 6.78%. We acquired all of the outstanding common stock of EnergyNorth for $61.46 per share, in cash. The estimated goodwill reflects the recognition of the excess amount of the purchase price over the fair value of the net assets acquired, including adjustments for costs incurred directly related to the consummation. The following represents the estimated goodwill calculation: Estimated EnergyNorth common shares outstanding at date of closing 3,322,903 Share price $ 61.4587 ------------- Purchase price $ 204,221,299 Common equity of EnergyNorth (46,187,000) ------------- $ 158,034,299 Estimated transaction costs (see note 9) 2,100,000 Estimated restructuring and other costs (see note 10) 14,736,000 -- ------------- Estimated goodwill $ 174,870,299 ============= Amortization period 40 Estimated yearly amortization $ 4,371,757 Estimated nine month amortization $ 3,278,818 A final determination of goodwill will reflect purchase accounting adjustments based on the fair value of assets and liabilities acquired, actuarial valuations related to employee benefit plans, estimates with respect to the effect of consolidation of corporate and administrative functions, completion of studies related to environmental issues, possible contract and asset impairment charges, possible asset sales, and other adjustments. NOTE 9. ESTIMATED TRANSACTION COSTS ASSOCIATED WITH THE ENERGYNORTH ACQUISITION Together, we and Eastern have incurred direct expenses related to the EnergyNorth acquisition, including accounting, investment banking, legal and consulting fees. The pro forma adjustments include an estimate for these costs of $2.1 million, which is included in goodwill. These costs will be refinanced through the issuance of commercial paper. We and Eastern will incur underwriting fees of approximately $1.3 million. These costs will be amortized to interest expense over the life of the related debt and will be financed through the issuance of commercial paper. NOTE 10. ESTIMATED RESTRUCTURING AND OTHER COSTS ASSOCIATED WITH THE ENERGYNORTH ACQUISITION EnergyNorth has incurred direct expenses related to the acquisition, including accounting, investment banking, legal and consulting fees, of approximately $4.7 million. In addition, EnergyNorth incurred expenses of approximately $10 million for contractual obligations, such as "change in control" payments. These costs were expensed as incurred by EnergyNorth and have been included in the calculation of estimated goodwill. These costs will be refinanced through the issuance of commercial paper. NOTE 11. FORWARD STARTING SWAP AGREEMENT In anticipation of issuing long-term debt, we entered into forward starting swap agreements to hedge a portion of the risk that the cost of issuance of the Notes would be adversely affected by changes in interest rates. Through September 30, 2000, we entered into $150 million of forward starting swap agreements with interest rates that ranged from 6.86% to 7.78%. The maturities on these instruments range from 5 to 30 years. Based on interest rates effective as of October 30, 2000, we estimate that we may be obligated to pay counterparties approximately $6 million at the time of the issuance of the Notes. This amount will be amortized to interest expense over the life of the Notes and reflects the significant decrease in interest rates since we entered into the forward starting swap lock agreements. NOTE 12. INTEREST EXPENSE ASSOCIATED WITH THE ENERGYNORTH ACQUISITION Interest expense reflects the issuance of approximately $172 million of Notes and approximately $32 million of commercial paper to refinance the Bridge Financing and other commercial paper, which was issued to finance a portion of the acquisition price of EnergyNorth at estimated effective annual interest rates of 8.149% and 6.78%, respectively. The long-term debt interest rate is an all-inclusive rate that reflects the rates associated with our forward starting swap agreements, as well as our estimated credit spread and an estimate for the amortization of underwriting fees. Interest expense also reflects the issuance of commercial paper to finance transaction costs of approximately $18.1 million at an estimated annual interest rate of 6.78%. A change in the actual interest rate of 0.125%, as compared to the estimated interest rates, will change net income by approximately $0.2 million annually and have an immaterial effect on net income for the nine month period. NOTE 13. AMORTIZATION OF GOODWILL ASSOCIATED WITH THE ENERGYNORTH ACQUISITION Goodwill, which is not tax deductible, will be amortized over a 40 year period. NOTE 14. INCOME TAXES ASSOCIATED WITH THE ENERGYNORTH ACQUISITION Income taxes on the unaudited pro forma consolidated condensed income statement have been adjusted to reflect the tax deduction of interest expense at a rate of 35%. A tax benefit has not been provided for goodwill since it is not tax deductible.