KEYSPAN CORP
8-K, 1999-12-02
NATURAL GAS DISTRIBUTION
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                      SECURITIES AND EXCHANGE COMMISSION
                             Washington, DC  20549


                                   FORM 8-K


                            Current Report Pursuant
                         to Section 13 or 15(d) of the
                        Securities Exchange Act of 1934



             Date of report (Date of earliest event: December 2, 1999)


                               KEYSPAN CORPORATION
            (Exact Name of Registrant as Specified in Its Charter)


                                   New York
                (State or Other Jurisdiction of Incorporation)


            1-14161                                               11-3431358
(Commission File Number)                     (IRS Employer Identification No.)

  175 East Old Country Road, Hicksville, New York                     11801
     One MetroTech Center, Brooklyn, New York                         11201
        (Address of Principal Executive Offices)                  (Zip Code)

                          (516) 755-6650 (Hicksville)
                           (718) 403-1000 (Brooklyn)
             (Registrant's Telephone Number, Including Area Code)


                                       N/A
         (Former Name or Former Address, if Changed Since Last Report)

                                      1

<PAGE>




Item 5.  Other Events.

      KeySpan  Corporation  (the "Company") is making this filing to include the
exhibits  hereto  by means of  incorporation  by  reference  into the  Company's
filings under the Securities Act of 1933, as amended.

     Exhibit 99.1 contains consolidated  financial statements of the Company for
each of the nine months ended  December 31, 1998,  the twelve months ended March
31,  1998,  the three  months  ended March 31, 1997 and the twelve  months ended
December  31,  1996  (the  "Company's  Financial  Statements").   THE  COMPANY'S
FINANCIAL  STATEMENTS,  WHICH  INCLUDE THE  OPINIONS OF ARTHUR  ANDERSEN LLP AND
ERNST & YOUNG LLP, THE  COMPANY'S  CURRENT AND FORMER  INDEPENDENT  ACCOUNTANTS,
RESPECTIVELY,  ARE IDENTICAL TO THE CORRESPONDING FINANCIAL STATEMENTS CONTAINED
IN THE  COMPANY'S  TRANSITION  REPORT  ON FORM  10-K FOR THE NINE  MONTHS  ENDED
DECEMBER  31, 1998,  EXCEPT THAT A NEW NOTE ,  CONTAINING  SUMMARIZED  FINANCIAL
INFORMATION  FOR  KEYSPAN  GAS EAST  CORPORATION  D/B/A  BROOKLYN  UNION OF LONG
ISLAND, A WHOLLY OWNED SUBSIDIARY OF THE COMPANY  ("BULI"),  HAS BEEN ADDED. The
Company's Financial Statements are hereby incorporated herein by reference.

     Exhibit 99.2 contains unaudited condensed consolidated financial statements
of the Company  for the nine months  ended  September  30, 1999 (the  "Company's
Nine-  Month  Financial   Statements").   THE  COMPANY'S   NINE-MONTH  FINANCIAL
STATEMENTS ARE IDENTICAL TO THE CORRESPONDING  FINANCIAL STATEMENTS CONTAINED IN
THE  COMPANY'S  QUARTERLY  REPORT ON FORM 10-Q FOR THE  QUARTERLY  PERIOD  ENDED
SEPTEMBER  30, 1999,  EXCEPT THAT A NEW NOTE,  CONTAINING  SUMMARIZED  FINANCIAL
INFORMATION  FOR  BULI,  HAS BEEN  ADDED.  The  Company's  Nine-Month  Financial
Statements are hereby incorporated herein by reference.


                                   2

<PAGE>





Item 7.        Financial Statements and Exhibits.

      (c)Exhibits

     Exhibit 23.1 Consent of Arthur Andersen LLP

     Exhibit 23.2 Consent of Ernst & Young LLP

     Exhibit 99.1 Consolidated  financial  statements of the Company for each of
          the nine months ended December 31, 1998, the twelve months ended March
          31, 1998,  the three months ended March 31, 1997 and the twelve months
          ended December 31, 1996

     Exhibit99.2 Unaudited condensed  consolidated  financial  statements of the
                 Company for the nine months ended September 30, 1999







                                   3

<PAGE>




                               SIGNATURES


         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned hereunto duly authorized.



                              KEYSPAN CORPORATION

Dated: December 1, 1999       By:/s/ Gerald Luterman
                              --------------------------
                              Name: Gerald Luterman
                              Title:Senior Vice President and
                              Chief Financial Officer


                                   4

<PAGE>



                            INDEX TO EXHIBITS



Exhibit No.   Exhibit                                                     Page
23.1          Consent of Arthur Andersen LLP                               6

23.2          Consent of Ernst & Young LLP                                 7

99.1          Consolidated financial statements of the Company for each    8
              of the nine months ended December 31, 1998, the twelve
              months ended March 31, 1998, the three months ended
              March 31, 1997 and the twelve months ended December 31,
              1996

99.2          Unaudited condensed consolidated financial statements of     55
              the Company for the nine months ended September 30,
              1999

                                       5


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent  public  accountants,  we hereby consent to the  incorporation by
reference in KeySpan  Corporation's  Registration  Statements on Form S-3 (filed
December  2,  1999) and on Form S-8 (Nos.  333-53765,  333-79151)  of our report
dated February 12, 1999, which is included in Exhibit 99.1 to the Current Report
on Form 8-K dated December 2, 1999.




                                       6



                         Consent of Independent Auditors

We consent to the  incorporation by reference in the  Registration  Statement on
Form S-8 (No. 333-53765),  relating to KeySpan  Corporation's  Employee Discount
Stock  Purchase  Plan  and in  the  related  Prospectus,  and  the  Registration
Statement on Form S-3 (No. 333-53657),  relating to the issuance of Common Stock
under KeySpan Corporation's  Investor Program and in the related Prospectus,  of
our report dated May 22,  1998,  with respect to the  financial  statements  and
schedule of Long Island  Lighting  Company  included in the Annual  Report (Form
10-K),  as amended,  of MarketSpan  Corporation  for the year ended December 31,
1998,  which report is included in Exhibit 99.1 to and incorporated by reference
in the  Current  Report on Form 8-K  dated  December  2,  1999,  filed  with the
Securities and Exchange Commission.

                                                       /S/ERNST & YOUNG LLP



December 2, 1999
Melville, New York






                                       7


FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

FINANCIAL STATEMENT RESPONSIBILITY

The Consolidated  Financial  Statements of the Company and its subsidiaries were
prepared  by  management  in  conformity  with  generally  accepted   accounting
principles.

The  Company's  system of internal  controls  is designed to provide  reasonable
assurance  that assets are  safeguarded  and that  transactions  are executed in
accordance with management's  authorizations  and recorded to permit preparation
of financial statements that present fairly the financial position and operating
results of the Company.  The Company's  internal  auditors evaluate and test the
system of internal  controls.  The Company's Vice President and General  Auditor
reports  directly to the Audit  Committee  of the Board of  Directors,  which is
composed entirely of outside  directors.  The Audit Committee meets periodically
with management,  the Vice President and General Auditor and Arthur Andersen LLP
to review and discuss internal accounting  controls,  audit results,  accounting
principles and practices and financial reporting matters.

<TABLE>
<CAPTION>

CONSOLIDATED BALANCE SHEET
                                                                                           (In Thousands of Dollars)
====================================================================================================================
                                                                   DECEMBER 31, 1998                March 31, 1998
====================================================================================================================

ASSETS

PROPERTY
<S>                                                                  <C>                          <C>
Electric                                                             $       1,109,199            $       4,102,166
Gas                                                                          3,257,726                    1,246,432
Common                                                                         345,007                      343,341
Accumulated depreciation                                                    (1,480,038)                  (1,877,858)
Gas exploration and production, at cost                                        994,104                            -
Accumulated depletion                                                         (447,733)                           -
- --------------------------------------------------------------------------------------------------------------------
                                                                             3,778,265                    3,814,081
- --------------------------------------------------------------------------------------------------------------------

- --------------------------------------------------------------------------------------------------------------------
EQUITY INVESTMENTS AND OTHER                                                   341,346                       50,816
- --------------------------------------------------------------------------------------------------------------------

CURRENT ASSETS
Cash and temporary cash investments                                            942,776                      180,919
Customer accounts receivable                                                   142,307                      321,372
Accrued revenues                                                               178,529                      124,464
Other accounts receivable                                                      230,479                       43,744
Allowance for uncollectible accounts                                           (20,026)                     (23,483)
Special deposits                                                               145,684                       95,790
Gas in storage, at average cost                                                145,277                       14,634
Fuel oil, at average cost                                                            -                       32,142
Materials and supplies, at average cost                                         74,193                       54,883
Other                                                                           72,818                       13,807
- --------------------------------------------------------------------------------------------------------------------
                                                                             1,912,037                      858,272
- --------------------------------------------------------------------------------------------------------------------
DEFERRED CHARGES
Regulatory assets
   Electric related                                                                  -                    6,768,148
   Other                                                                       279,524                      163,765
Goodwill                                                                       201,887                            -
Other                                                                          382,043                      245,643
- --------------------------------------------------------------------------------------------------------------------
                                                                               863,454                    7,177,556
- --------------------------------------------------------------------------------------------------------------------
TOTAL ASSETS                                                         $       6,895,102            $      11,900,725
====================================================================================================================
</TABLE>

The Notes to  Consolidated  Financial  Statements  are an integral part of these
statements.

                                       8

 <PAGE>
<TABLE>
<CAPTION>


CONSOLIDATED BALANCE SHEET
                                                                                           (In Thousands of Dollars)
====================================================================================================================
                                                              DECEMBER 31, 1998                     March 31, 1998
====================================================================================================================

CAPITALIZATION AND LIABILITIES

CAPITALIZATION
<S>                                                                  <C>                          <C>
Common stock                                                         $       2,973,388            $       1,707,559
Retained earnings                                                              474,188                      956,092
Accumulated foreign currency adjustment                                           (952)                           -
Treasury stock purchased                                                      (423,716)                      (1,204)
- --------------------------------------------------------------------------------------------------------------------
   Total common shareholders' equity                                         3,022,908                    2,662,447
Preferred stock                                                                447,973                      562,600
Long-term debt                                                               1,619,067                    4,381,949
- --------------------------------------------------------------------------------------------------------------------
TOTAL CAPITALIZATION                                                         5,089,948                    7,606,996
- --------------------------------------------------------------------------------------------------------------------

CURRENT LIABILITIES
Current maturities of long-term debt                                           398,000                      101,000
Current redemption requirements of preferred stock                                   -                      139,374
Accounts payable and accrued expenses                                          519,288                      318,701
Dividends payable                                                               66,232                       58,748
Taxes accrued                                                                   69,742                       34,753
Customer deposits                                                               29,774                       28,627
Interest accrued                                                                19,965                      146,607
- --------------------------------------------------------------------------------------------------------------------
                                                                             1,103,001                      827,810
- --------------------------------------------------------------------------------------------------------------------
DEFERRED CREDITS AND OTHER LIABILITIES
Regulatory liabilities
   Electric related                                                                  -                      358,363
   Other                                                                        53,137                       31,068
Deferred federal income tax                                                     71,549                    2,539,364
Postretirement benefits, claims & other reserves                               457,459                      467,655
Other                                                                           50,457                       69,469
- --------------------------------------------------------------------------------------------------------------------
                                                                               632,602                    3,465,919
- --------------------------------------------------------------------------------------------------------------------
- --------------------------------------------------------------------------------------------------------------------
MINORITY INTEREST IN SUBSIDIARY COMPANY                                         69,551                            -
- --------------------------------------------------------------------------------------------------------------------
TOTAL CAPITALIZATION AND LIABILITIES                                 $       6,895,102            $      11,900,725
====================================================================================================================
</TABLE>

The Notes to  Consolidated  Financial  Statements  are an integral part of these
statements.

                                       9

<PAGE>

<TABLE>
<CAPTION>

CONSOLIDATED STATEMENT OF INCOME

                                                                                (In Thousands  of Dollars, Except Per Share Amounts)
- ------------------------------------------------------------------------------------------------------------------------------------
                                                         NINE MONTHS          Twelve Months      Three Months
                                                             ENDED                Ended              Ended           Year Ended
                                                      DECEMBER 31, 1998      March 31, 1998     March 31, 1997   December 31, 1996
- ------------------------------------------------------------------------------------------------------------------------------------

REVENUES
<S>                                                   <C>                  <C>                <C>                 <C>
Gas distribution                                      $           849,543  $         645,659  $         293,391   $         684,260
Gas exploration and production                                     70,812                  -                  -                   -
Electric services                                                 408,305                  -                  -                   -
Electric distribution                                             330,011          2,478,435            557,791           2,466,435
Other                                                              63,181                  -                  -                   -
- ------------------------------------------------------------------------------------------------------------------------------------
Total Revenues                                                  1,721,852          3,124,094            851,182           3,150,695
- ------------------------------------------------------------------------------------------------------------------------------------

OPERATING EXPENSES
Purchased gas                                                     318,703            299,469            136,727             322,641
Fuel and purchased power                                           91,762            658,338            165,140             640,610
Operations                                                        734,957            400,045             95,673             381,076
Maintenance                                                       113,714            111,120             29,340             118,135
Depreciation, depletion and amortization                          294,864            169,770             39,820             171,681
Electric regulatory amortizations                                 (40,005)            13,359             19,966              97,698
Operating taxes                                                   257,124            466,326            117,513             472,076
Federal income taxes (credit)                                     (62,506)           237,371             57,002             210,197
- ------------------------------------------------------------------------------------------------------------------------------------
Total Operating Expenses                                        1,708,613          2,355,798            661,181           2,414,114
- ------------------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------------------
OPERATING INCOME                                                   13,239            768,296            190,001             736,581
- ------------------------------------------------------------------------------------------------------------------------------------

OTHER INCOME AND (DEDUCTIONS)
Transaction related expenses                                     (107,912)                 -                  -                   -
   (net of $99,701 income tax )
Interest and other-net                                             37,314             (1,583)             3,574              27,512
Minority interest                                                  29,141                  -                  -                   -
- ------------------------------------------------------------------------------------------------------------------------------------
Total Other Income and (Deductions)                               (41,457)            (1,583)             3,574              27,512
- ------------------------------------------------------------------------------------------------------------------------------------
INCOME (LOSS) BEFORE INTEREST CHARGES                             (28,218)           766,713            193,575             764,093

- ------------------------------------------------------------------------------------------------------------------------------------
Interest charges                                                  138,715            404,473            105,878             447,629
- ------------------------------------------------------------------------------------------------------------------------------------

NET INCOME (LOSS)                                                (166,933)           362,240             87,697             316,464
Preferred stock dividend requirements                              28,604             51,813             12,969              52,216
- ------------------------------------------------------------------------------------------------------------------------------------
EARNINGS (LOSS) FOR COMMON STOCK                      $          (195,537) $         310,427  $          74,728   $         264,248
- ------------------------------------------------------------------------------------------------------------------------------------
Foreign currency adjustment                                          (952)                 -                  -                   -
====================================================================================================================================
COMPREHENSIVE INCOME (LOSS)                           $          (196,489) $         310,427  $          74,728   $         264,248
====================================================================================================================================
Average common shares outstanding (000)                           145,767            121,415            120,995             120,360

BASIC AND DILUTED EARNINGS (LOSS) PER COMMON SHARE    $             (1.34) $            2.56  $            0.62   $            2.20
====================================================================================================================================
</TABLE>

                                       10
<PAGE>
<TABLE>
<CAPTION>
CONSOLIDATED STATEMENT OF CASH FLOWS

                                                                                                          (In Thousands of Dollars)
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                 NINE MONTHS      Twelve Months     Three Months
                                                                    ENDED             Ended             Ended          Year Ended
                                                              DECEMBER 31, 1998   March 31, 1998   March 31, 1997  December 31, 1996
- ------------------------------------------------------------------------------------------------------------------------------------
OPERATING ACTIVITIES

<S>                                                          <C>                  <C>               <C>               <C>
Net Income (Loss)                                            $         (166,933)  $       362,240   $        87,697   $      316,464
ADJUSTMENTS TO RECONCILE NET INCOME TO NET
      CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES
  Depreciation, depletion and amortization                             294,864         169,770            39,820            171,681
  Regulatory amortization and other                                    (40,005)        (10,273)           14,047             72,439
  Deferred federal income tax                                          (85,936)        146,859            32,835            167,060
  Income from equity investments                                        (5,842)              -                 -                  -
  Dividends from equity investments                                      4,219               -                 -                  -
CHANGES IN ASSETS AND LIABILITIES (NET OF ACQUISITION)
  Accounts receivable and accrued revenues                             (81,024)          8,334           (26,817)            92,334
  Pensions and other postretirement benefits                          (283,774)              -                 -                  -
  Materials and supplies, fuel oil and gas in storage                  (63,195)         14,391            67,242            (34,531)
  Accounts payable and accrued expenses                                132,028         (54,835)          (69,958)           (13,826)
  Interest accrued                                                    (151,268)         (2,624)           16,632             (2,289)
  Special deposits                                                     (41,040)        (58,159)              635             25,146
  Other                                                                 27,618          98,381            (2,566)            97,835
- ------------------------------------------------------------------------------------------------------------------------------------
Net Cash Provided by (Used in) Operating Activities                   (460,288)          674,084           159,567          892,313
- ------------------------------------------------------------------------------------------------------------------------------------

INVESTING ACTIVITIES

Capital expenditures                                                  (676,563)       (297,230)          (62,479)          (291,618)
Net cash from KeySpan Acquisition                                      165,168               -                 -                  -
Net proceeds from LIPA Transaction                                   2,314,588               -                 -                  -
Miscellaneous investment                                                13,466         (31,987)              160             (4,806)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Cash Provided by (Used in) Investing Activities                  1,816,659          (329,217)          (62,319)        (296,424)
- ------------------------------------------------------------------------------------------------------------------------------------

FINANCING ACTIVITIES

Proceeds from sale of common stock                                      10,170          43,218             4,640             18,837
Treasury stock purchased                                              (423,716)              -                 -                  -
Issuance of preferred stock                                             84,973               -                 -                  -
Issuance of long-term debt                                             112,535               -                 -                  -
Redemption of long-term debt                                          (103,000)         (2,050)         (250,000)          (419,800)
Preferred stock dividends paid                                         (28,604)        (51,833)          (12,969)           (52,264)
Common stock dividends paid                                           (210,177)       (215,790)          (53,749)          (213,753)
Other                                                                  (36,695)         (2,032)             (624)              (369)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Cash (Used in) Financing Activities                               (594,514)         (228,487)         (312,702)        (667,349)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase (Decrease) in Cash and Cash Equivalents                   761,857           116,380          (215,454)         (71,460)
====================================================================================================================================
Cash and cash equivalents at beginning of period           $           180,919 $        64,539   $       279,993   $        351,453
Net increase (decrease) in cash and cash equivalents                   761,857           116,380          (215,454)         (71,460)
- ------------------------------------------------------------------------------------------------------------------------------------
Cash and Cash Equivalents at End of Period                 $           942,776 $         180,919 $          64,539 $        279,993
====================================================================================================================================

Interest paid                                                         $125,914        $364,864          $112,981           $404,663
Federal income tax paid                                              $94,680          $108,980                 -            $45,050

</TABLE>

The Notes to  Consolidated  Financial  Statements  are an integral part of these
statements.

                                       11

<PAGE>

<TABLE>
<CAPTION>

CONSOLIDATED STATEMENT OF RETAINED EARNINGS
                                                                                                     (In Thousands of Dollars)
==============================================================================================================================
                                                 DECEMBER 31, 1998     March 31, 1998     March 31, 1997   December 31, 1996
==============================================================================================================================
<S>                                             <C>                  <C>                <C>                 <C>
Balance at beginning of period                  $           956,092  $         861,751  $         840,867   $         790,919
Net income (loss) for period                               (166,933)           362,240             87,697             316,464
- ------------------------------------------------------------------------------------------------------------------------------
                                                            789,159          1,223,991            928,564           1,107,383
- ------------------------------------------------------------------------------------------------------------------------------
Deductions
Cash dividends declared on common stock                     214,012            216,086             53,844             214,255
Cash dividends declared on preferred stock                   28,604             51,813             12,969              52,240
Other, primarily write-off of                                72,355                  -                  -                  21
   capital stock expense
- ------------------------------------------------------------------------------------------------------------------------------
Balance at end of period                        $           474,188  $         956,092  $         861,751   $         840,867
- ------------------------------------------------------------------------------------------------------------------------------
</TABLE>

The Notes to  Consolidated  Financial  Statements  are an integral part of these
statements.

                                       12
<PAGE>

<TABLE>
<CAPTION>
CONSOLIDATED STATEMENT OF CAPITALIZATION
==================================================================================================================================
                                                                    Shares Issued                        (In Thousands of Dollars)
- ----------------------------------------------------------------------------------------------------------------------------------
                                                   DECEMBER 31, 1998   March 31, 1998         DECEMBER 31, 1998     March 31, 1998
- ----------------------------------------------------------------------------------------------------------------------------------

COMMON SHAREHOLDERS' EQUITY
<S>                                                     <C>             <C>                <C>                  <C>
Common stock, $0.01 par value                           144,628,654                        $          1,446     $               -
              $5.00 par value                                           121,727,040                       -               608,635
Premium on capital stock                                                                          2,971,942             1,098,924
Retained earnings                                                                                   474,188               956,092
Accumulated foreign currency adjustment                                                                (952)                    -
Treasury stock, at cost                                  14,209,000          46,281                (423,716)               (1,204)
- ----------------------------------------------------------------------------------------------------------------------------------
TOTAL COMMON SHAREHOLDERS' EQUITY                                                                 3,022,908             2,662,447
- ----------------------------------------------------------------------------------------------------------------------------------

PREFERRED STOCK - REDEMPTION REQUIRED
Par value $100 per share
    7.40% Series L                                                -         150,500                       -                15,050
    7.66% Series CC                                               -         570,000                       -                57,000
Less - Series called for redemption                               -               -                       -                15,050
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                                                          -                57,000
- ----------------------------------------------------------------------------------------------------------------------------------

Par value $25 per share
    7.95% Series AA                                      14,520,000      14,520,000                 363,000               363,000
    $1.67 Series GG                                               -         880,000                       -                22,000
    $1.95 Series NN                                               -       1,554,000                       -                38,850
    7.05% Series QQ                                               -       3,464,000                       -                86,600
    6.875% Series UU                                              -       2,240,000                       -                56,000
Less - Series called for redemption                               -               -                       -                38,850
Less - Mandatory redemption of preferred stock                    -               -                       -                22,000
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                                                    363,000               505,600
- ----------------------------------------------------------------------------------------------------------------------------------
Total Preferred Stock - Redemption Required                                                         363,000               562,600
- ----------------------------------------------------------------------------------------------------------------------------------

PREFERRED STOCK - NO REDEMPTION REQUIRED
Par value $100 per share
    7.07% Series B - private placement                      553,000               -                  55,300                     -
    7.17% Series C - private placement                      197,000               -                  19,700                     -
    6.00% Series A - private placement                       99,727               -                   9,973                     -
    5.00% Series B                                                -         100,000                       -                10,000
    4.25% Series D                                                -          70,000                       -                 7,000
    4.35% Series E                                                -         200,000                       -                20,000
    4.35% Series F                                                -          50,000                       -                 5,000
    5 1/8% Series H                                               -         200,000                       -                20,000
    5 3/4% Series I - Convertible                                 -          14,743                       -                 1,474
Less - Series called for redemption                               -                         -             -                63,474
- ----------------------------------------------------------------------------------------------------------------------------------
Total Preferred Stock - No Redemption Required                                                       84,973                     -
- ----------------------------------------------------------------------------------------------------------------------------------
TOTAL PREFERRED STOCK                                                                      $        447,973     $         562,600
- ----------------------------------------------------------------------------------------------------------------------------------
</TABLE>

The Notes to  Consolidated  Financial  Statements  are an integral part of these
statements.

<PAGE>

                                       13

<TABLE>
<CAPTION>

CONSOLIDATED STATEMENT OF CAPITALIZATION (CONTINUED)
==================================================================================================================================
                                                                                                         (In Thousands of Dollars)
                Long-Term Debt                      Interest Rate         Series              DECEMBER 31, 1998     March 31, 1998
- ----------------------------------------------------------------------------------------------------------------------------------
GENERAL AND REFUNDING BONDS
<S>                                                <C>                   <C>                <C>                   <C>
        April 15, 1998  through  July 1, 2024      9 5/8% - 7 5/8%       various            $             -       $     1,286,000
- ----------------------------------------------------------------------------------------------------------------------------------
Total General and Refunding Bonds                                                                         -             1,286,000
- ----------------------------------------------------------------------------------------------------------------------------------
DEBENTURES
        July 15, 1999  through  March 15, 2023      9.00% - 6.25%        various                          -             2,270,000
- ----------------------------------------------------------------------------------------------------------------------------------
Total Debentures                                                                                          -             2,270,000
- ----------------------------------------------------------------------------------------------------------------------------------
AUTHORITY FINANCING NOTES
INDUSTRIAL DEVELOPMENT REVENUE BONDS
        December 1, 2006                                7.50%            1976 A,B                         -                 2,000
POLLUTION CONTROL REVENUE BONDS
        December 1, 2006 through  March 1, 2016    8.25%  -  3.58%       various                          -               213,675
ELECTRIC FACILITIES REVENUE BONDS
        September 1, 2019 through  August 1, 2025  7.15%  -  3.70%       various                          -               724,880
        December 1, 2027                               variable           1997 A                     24,880                     -
- ----------------------------------------------------------------------------------------------------------------------------------
Total Authority Financing Notes                                                                      24,880               940,555
- ----------------------------------------------------------------------------------------------------------------------------------
PROMISSORY NOTES TO LIPA
DEBENTURES
        July 15, 1999                                   7.30%                                       397,000                     -
        March 15, 2023                                  8.20%                                       270,000                     -
POLLUTION CONTROL REVENUE BONDS
        December 1, 2006                                7.50%             1976 A                     26,375                     -
        December 1, 2009                                7.80%             1979 B                     19,100                     -
        March 1, 2016                                  variable           1985 A                     58,022                     -
        March 1, 2016                                  variable           1985 B                     50,000                     -
ELECTRIC FACILITIES REVENUE BONDS
        September 1, 2019                               7.15%             1989 B                     35,030                     -
        June 1, 2020                                    7.15%             1990 A                     73,900                     -
        December 1, 2020                                7.15%             1991 A                     26,560                     -
        February 1, 2022                                7.15%             1992 B                     13,455                     -
        August 1, 2022                                  6.90%             1992 D                     28,060                     -
        November 1, 2023                               variable           1993 B                     29,600                     -
        October 1, 2024                                variable           1994 A                      2,600                     -
        August 1, 2025                                 variable           1995 A                     15,200                     -
- ----------------------------------------------------------------------------------------------------------------------------------
Total Promissory Notes to LIPA                                                                    1,044,902                     -
- ----------------------------------------------------------------------------------------------------------------------------------
GAS FACILITIES REVENUE BONDS
        April 1, 2020                                   6.368%           1993 A,B                    75,000                     -
        January 1, 2021                                 5.50%              1996                     153,500                     -
        February 1,  2024                               6.75%             1989 A                     45,000                     -
        February 1,  2024                               6.75%             1989 B                     45,000                     -
        June 1, 2025                                    5.60%             1993 C                     55,000                     -
        July 1, 2026                                    6.95%           1991 A, B                   100,000                     -
        July 1, 2026                                    5.635%         1993 D-1, D-2                 50,000                     -
        December 1, 2020                               variable            1997                     125,000                     -
- ----------------------------------------------------------------------------------------------------------------------------------
Total Gas Facilities Revenue Bonds                                                                  648,500                     -
- ----------------------------------------------------------------------------------------------------------------------------------
Unamortized Discount on Debt                                                                         (1,750)              (13,606)
- ----------------------------------------------------------------------------------------------------------------------------------
Total                                                                                             1,716,532             4,482,949
Less Current Maturities                                                                             398,000               101,000
Other Subsidiary Debt                                                                               300,535                     -
- ----------------------------------------------------------------------------------------------------------------------------------
TOTAL LONG-TERM DEBT                                                                              1,619,067             4,381,949
- ----------------------------------------------------------------------------------------------------------------------------------
TOTAL CAPITALIZATION                                                                       $      5,089,948     $       7,606,996
==================================================================================================================================
</TABLE>

The Notes to  Consolidated  Financial  Statements  are an integral part of these
statements.


                                       14

<PAGE>

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS


NOTE 1.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

A.  REORGANIZATION

MarketSpan  Corporation d/b/a KeySpan Energy (the "Company") is the successor to
Long Island Lighting  Company  ("LILCO"),  as a result of a transaction with the
Long Island Power Authority ("LIPA") (the "LIPA  Transaction") and following the
acquisition (the "KeySpan  Acquisition") of KeySpan Energy Corporation  ("KSE").
The Company is a  "predominately  intrastate"  public  utility  holding  company
exempt from most of the provisions of the Public Utility  Holding Company Act of
1935,  as amended.  As a result of the  transaction  with LIPA,  LILCO  became a
wholly-owned  subsidiary of LIPA, a public authority and a political subdivision
of New York State.  KSE, a  wholly-owned  subsidiary  of the Company and also an
exempt utility  holding  company under the Public Utility Holding Company Act of
1935, as amended, is no longer a registrant under the Securities Act of 1933, as
amended, and the Securities Exchange Act of 1934, as amended.

On May 28, 1998, the Company completed two business  combinations as a result of
which  it  (i)  became  the  successor  operator  of  the  non-nuclear  electric
generating  facilities,  gas  distribution  operations and common plant formerly
owned by LILCO and entered  into  long-term  service  agreements  to operate the
electric  transmission  and  distribution  system  acquired  by  LIPA;  and (ii)
acquired KSE, the parent  company of The Brooklyn  Union Gas Company  ("Brooklyn
Union").  (See Note 2, "Sale of LILCO  Assets,  Acquisition  of  KeySpan  Energy
Corporation and Transfer of Assets and Liabilities to the Company.")

With  the  exception  of  a  small  portion  of  Queens  County,  the  Company's
subsidiaries are the only providers of gas distribution services in the New York
City  counties of Kings,  Richmond  and Queens and the Long  Island  counties of
Nassau and  Suffolk.  Brooklyn  Union  provides  gas  distribution  services  to
customers in the New York City boroughs of Brooklyn,  Queens and Staten  Island,
and KeySpan Gas East d/b/a  Brooklyn  Union of Long Island  ("Brooklyn  Union of
Long  Island"),  a Company  subsidiary,  provides gas  distribution  services to
customers  in the Long Island  counties  of Nassau and Suffolk and the  Rockaway
Peninsula of Queens County.

On September 10, 1998, the Company's  Board of Directors  authorized  filings to
permit the Company to conduct its business  under the name KeySpan  Energy.  The
Company will propose a formal name change for  shareholder  approval at its 1999
Annual Meeting of Shareholders. On October 20, 1998 the Company's symbol for its
common  stock and  preferred  stock Series AA listed on the New York and Pacific
Stock Exchanges was changed to "KSE."

B.  BASIS OF PRESENTATION

The Consolidated  Financial  Statements presented herein reflect the accounts of
the Company and its  subsidiaries.  Subsidiaries  comprising the Gas Exploration
and Production reportable segment

                                      15
<PAGE>




and the Energy Related Services reportable segment are fully consolidated in the
financial information presented.  All other subsidiary investments are accounted
for on the  equity  method as the  Company  does not have a  controlling  voting
interest or otherwise  have control over the  management of investee  companies.
All significant intercompany transactions have been eliminated.

Certain reclassifications were made to conform prior period financial statements
with the current period financial statement presentation.

For financial reporting purposes, LILCO is deemed the acquiring company pursuant
to a purchase accounting transaction,  in which KSE was acquired.  Consequently,
financial  results of the Company  prior to May 29, 1998 reflect  those of LILCO
only.  Since the  acquisition  of KSE was accounted  for as a purchase,  related
accounting adjustments, including goodwill, have been reflected in the financial
statements  herein.  Further,  the financial  statements  presented  reflect the
results of  operations  of LILCO from April 1, 1998  through May 28, 1998 and of
the fully  consolidated  entity from May 29, 1998 through  December 31, 1998. In
September 1998, the Company changed its fiscal year end to December 31. Further,
in April 1997,  LILCO  changed  its year end from  December 31 to March 31. As a
result,  the  financial  statements  presented  herein  include  the nine  month
transition  period  April 1, 1998  through  December  31, 1998 (the  "Transition
Period"),  the twelve  months ended March 31 1998,  the three months ended March
31, 1997 and the twelve months ended December 31, 1996.

The weighted average number of common shares outstanding used in the calculation
of earnings per share for the nine months ended  December 31, 1998 reflected the
issuance of common stock to consummate the KeySpan Acquisition and the reduction
associated with  repurchases of common stock subsequent to August 17, 1998. (See
Note 5,  "Capital  Stock.")  Further,  as of December 31, 1998,  the Company had
outstanding  921,066  unexercised  common  stock  options  held  by key  Company
employees.  These options have not been considered in measuring diluted earnings
per  share,  since  inclusion  of these  options in the  calculation  would have
resulted in an antidilutive effect for the Transition Period.

The preparation of financial  statements in conformity  with generally  accepted
accounting principles requires management to make estimates and assumptions that
affect  the  reported  amounts  of assets  and  liabilities  and  disclosure  of
contingent  assets and  liabilities at the date of the financial  statements and
the  reported  amounts of revenues  and expenses  during the  reporting  period.
Actual results could differ from those estimates.


                                      16
<PAGE>




C.  ACCOUNTING FOR THE EFFECTS OF RATE REGULATION

The  Company's  accounting  records for its two  regulated gas utilities and its
generation  subsidiary are  maintained in accordance  with the Uniform System of
Accounts  prescribed by the Public  Service  Commission of the State of New York
("NYPSC") and the Federal Energy Regulatory  Commission ("FERC"),  respectively.
The Company's  financial  statements reflect the ratemaking policies and actions
of these regulators in conformity with generally accepted accounting  principles
for rate- regulated enterprises.

The Company's two regulated gas utilities and its electric generation subsidiary
are subject to the  provisions  of Statement of Financial  Accounting  Standards
("SFAS") No. 71,  "Accounting  for the Effects of Certain Types of  Regulation."
This  statement  recognizes  the ability of  regulators,  through the ratemaking
process,   to  create  future  economic   benefits  and  obligations   affecting
rate-regulated companies. Accordingly, the Company records these future economic
benefits  and  obligations  as  regulatory  assets and  regulatory  liabilities,
respectively.

The  Company's  regulatory  assets of $279.5  million at  December  31, 1998 are
primarily comprised of regulatory tax assets, certain environmental  remediation
and investigation costs,  postretirement  benefits other than pensions and costs
associated with the KeySpan Acquisition.

Rate  regulation is undergoing  significant  change as regulators  and customers
seek lower  prices for  utility  service and greater  competition  among  energy
service  providers.  In the event  that  regulation  significantly  changes  the
opportunity for the Company to recover its costs in the future, all or a portion
of the Company's  regulated  operations  may no longer meet the criteria for the
application  of SFAS No. 71. In that event,  a write-down of all or a portion of
the Company's  existing  regulatory  assets and liabilities could result. If the
Company had been unable to  continue to apply the  provisions  of SFAS No. 71 at
December 31, 1998, the Company would have applied the provisions of SFAS No. 101
"Regulated  Enterprises - Accounting for the  Discontinuation  of Application of
FASB  Statement  No. 71." The Company  estimates  that the  write-off of its net
regulatory asset (regulatory assets less regulatory liabilities) could result in
a charge to net  income of $147.2  million  or $1.01 per share of common  stock,
which would be classified as an extraordinary item. In management's opinion, the
Company's  regulated  subsidiaries  will  be  subject  to  SFAS  No.  71 for the
foreseeable future.

As part of the LIPA  Transaction,  the Company has entered into various  service
agreements  with LIPA that  prescribe  the  conduct  of the  Company's  electric
operations.  These agreements allow the Company to recover its costs, subject to
negotiation,  incurred  to service  the  agreements  and  potentially  allow the
Company to earn a certain level of profit.  The Company's  electric  operations,
other  than the  generation  function  which is FERC  regulated,  are no  longer
subject to NYPSC rate  regulation  and as a result the Company no longer applies
SFAS No. 71 to its electric operations. As a result of the LIPA Transaction, all
regulatory assets and liabilities outstanding as of May 28, 1998 associated with
the  Company's  electric  operations  have been either sold or  written-off  and
therefore,  are no longer recorded in the accounts of the Company.  In addition,
certain issues relating to prior

                                       17
<PAGE>




electric  operations,  such as nuclear plant  decommissioning  and nuclear plant
insurance  are no longer  applicable to the Company since these assets were sold
to LIPA.  The net  regulatory  assets that were sold to LIPA as part of the LIPA
Transaction  amounted to $6.3  billion.  See Note 13,  "Disaggregated  Condensed
Balance Sheet (Unaudited)" for additional information.

D.  REVENUES

Utility gas  customers  are billed  monthly  and  bi-monthly  on a cycle  basis.
Revenues  include  unbilled  amounts  related  to the  estimated  gas usage that
occurred from the most recent meter reading to the end of each month.

The cost of gas is recovered as incurred when billed to firm  customers  through
the operation of the gas adjustment  clause ("GAC") included in utility tariffs.
The GAC provision requires an annual reconciliation of recoverable gas costs and
GAC revenues. Any difference is deferred pending recovery from or refund to firm
customers during a subsequent  twelve-month  period.  Further, net revenues from
tariff  gas  balancing   services,   off-system  sales  and  certain   on-system
interruptible  sales are refunded to firm customers  subject to certain  sharing
provisions.

The gas utility tariffs contain a weather normalization  adjustment that largely
offsets  shortfalls or excesses of firm net revenues  (revenues  less gas costs)
during a heating season due to variations from normal weather.

Electric revenues since the LIPA Transaction are primarily derived from billings
to LIPA for management of LIPA's  transmission and distribution  ("T&D") system,
electric  generation,  and procurement of fuel. The agreements with LIPA include
provisions  for  the  Company,  to earn in the  aggregate,  approximately  $11.5
million per year (plus up to an  additional  $5 million per year if certain cost
savings  are  achieved)  in  annual  management  service  fees from LIPA for the
management of the LIPA T&D system and the  management of all aspects of fuel and
power supply.  Costs in excess of budgeted  levels are assumed by the Company up
to $15 million,  while cost  reductions  in excess of $5 million  from  budgeted
levels are shared with LIPA.  These  agreements  also contain  certain  non-cost
incentive  and  penalty   provisions  which  could  impact  earnings.   Billings
associated with generation capacity are based on pre-determined levels of supply
to be dispatched to LIPA on a yearly basis.  Rates charged to LIPA include fixed
and variable  components.  The variable component is billed to LIPA on a monthly
basis and is dependent on the amount of megawatt hours dispatched.  In addition,
billings related to transmission,  distribution and delivery services are based,
in part, on negotiated budgeted levels.

Prior  to the  LIPA  Transaction,  electric  revenues  were  comprised  of cycle
billings  rendered to residential,  commercial and industrial  customers and the
accrual of electric  revenues for services  rendered to customers  not billed at
month-end.   In  addition,   LILCO's  rate  structure  provided  for  a  revenue
reconciliation  mechanism  which  eliminated  the impact on earnings of electric
sales that were above or below the levels reflected in rates. Moreover,  LILCO's
electric tariff  included a fuel cost  adjustment  ("FCA") clause which provided
for the disposition of the difference between actual



                                       18
<PAGE>




fuel costs and the fuel costs  allowed in base tariff  rates (base fuel  costs).
LILCO deferred  these  differences to future periods for recovery from or refund
to customers,  except for base electric fuel costs in excess of actual  electric
fuel costs, which were credited to the Rate Moderation Component as incurred.

E.  UTILITY PROPERTY - DEPRECIATION AND MAINTENANCE

Utility gas property is stated at original cost of construction,  which includes
allocations  of  overheads  and taxes and an  allowance  for funds  used  during
construction.  Mass properties  associated with gas operations,  such as meters,
are accounted for on an average unit cost basis by year of  installation.  Prior
to the LIPA Transaction,  electric T&D mass properties,  such as poles and wire,
were  accounted  for on an average unit cost basis by year of  installation.  As
part of the LIPA Transaction, all T&D assets were sold to LIPA, and as a result,
all costs  associated with the  maintenance of the T&D system  subsequent to May
28, 1998 are expensed and charged to LIPA.

Depreciation  is  provided on a  straight-line  basis in amounts  equivalent  to
composite rates on average depreciable  property.  The cost of property retired,
plus the cost of removal less salvage,  is charged to accumulated  depreciation.
The cost of repair and minor  replacement  and renewal of property is charged to
maintenance expense. The composite rates on average depreciable property were as
follows:

            Period                  Electric          Gas
            ------                  --------          ---
      9 Months Ended 12/31/98       2.40%             1.75%
      12 Months Ended 3/31/98       3.07%             2.04%
      3 Months Ended 3/31/97         .78%              .51%
      12 Months Ended 12/31/96      3.00%             2.00%


F.  GAS EXPLORATION AND PRODUCTION PROPERTY- DEPLETION AND DEPRECIATION

The full cost method of  accounting is used for  investments  in natural gas and
oil properties.  Under this method,  all costs of  acquisition,  exploration and
development  of natural gas and oil reserves are  capitalized  into a "full cost
pool" as  incurred,  and  properties  in the pool are  depleted  and  charged to
operations  using the  unit-of-production  method  based on the ratio of current
production to total proved natural gas and oil reserves. To the extent that such
capitalized costs (net of accumulated depreciation,  depletion and amortization)
less  deferred  taxes exceed the present  value  (using a 10% discount  rate) of
estimated future net cash flows from proved natural gas and oil reserves and the
lower of cost or fair  value of  unproved  properties,  such  excess  costs  are
charged to operations.  If a write-down is required, it would result in a charge
to  earnings  but  would  not  have an  impact  on  cash  flows  from  operating
activities.  Once incurred,  such impairment of gas properties is not reversible
at a later date even if gas prices  increase.  At December 31, 1998, The Houston
Exploration  Company  ("THEC"),  the Company's 64% owned gas and oil exploration
and production subsidiary,  recorded a $130 million write-down to its investment
in its proved gas reserves, which


                                       19
<PAGE>




is reflected  in the  accompanying  financial  statements.  As  permitted  under
generally accepted accounting principles,  THEC utilized February 1999 prices to
measure the write-down. If THEC had utilized December 1998 prices to measure the
write-down, the write-down would have been $66.6 million less.

Provisions for depreciation of all other non-utility  property are computed on a
straight line basis over useful lives of three to ten years.

G.  DERIVATIVE FINANCIAL INSTRUMENTS

The Company's  utility,  marketing and gas and oil  exploration  and  production
subsidiaries  employ,  from time to time,  derivative  financial  instruments to
hedge  exposure in cash flows due to  fluctuations  in the price of natural gas.
Utility hedging activities also involve use of derivatives  related to fuel oil,
which in certain markets  strongly  influence the selling price for natural gas.
The  Company's  hedging  strategies  meet  the  criteria  for  hedge  accounting
treatment under SFAS No. 80,  "Accounting for Futures  Contracts."  Accordingly,
gains and  losses on these  instruments  are  recognized  concurrently  with the
recognition of the related physical transactions.

The subsidiaries regularly assess the relationship between natural gas commodity
prices in "cash" and futures  markets.  The correlation  between prices in these
markets  has been  within a range  generally  deemed  to be  acceptable.  If the
correlation were not to remain in an acceptable  range,  the subsidiaries  would
account for financial instrument positions as trading activities.

H.  EQUITY INVESTMENTS

Certain  subsidiaries  own as  their  principal  assets  investments,  including
goodwill,  representing  ownership  interests  of 50% or less in  energy-related
businesses that are accounted for under the equity method. Goodwill, at December
31,  1998,  was $52.2  million for certain  investments  in Canada and  Northern
Ireland. The amortization period for the goodwill is over 15 and 40 years.

I.  FEDERAL INCOME TAX

In accordance with SFAS No. 109, "Accounting for Income Taxes" and NYPSC policy,
certain of the Company's regulated  subsidiaries recorded a regulatory asset for
the net cumulative  effect of having to provide deferred federal income taxes on
all  differences  between  tax and book bases of assets and  liabilities  at the
current  tax  rate  which  have  not yet been  included  in rates to  customers.
Investment  tax  credits,  which were  available  prior to the Tax Reform Act of
1986,  were  deferred in operating  expense and are  amortized as a reduction of
federal  income tax in other  income  over the  estimated  lives of the  related
property.


                                      20
<PAGE>

J.  SUBSIDIARY COMMON STOCK ISSUANCES TO THIRD PARTIES

The Company  follows an accounting  policy of income  statement  recognition for
parent company gains or losses from issuances of common stock by subsidiaries.

K.  Foreign Currency Translation

The  Company  follows  the  principles  of  SFAS  No.  52,   "Foreign   Currency
Translation,"  for recording its investments in foreign  affiliates.  Under this
statement,  all  elements of  financial  statements  are  translated  by using a
current exchange rate.  Translation  adjustments result from changes in exchange
rates from one reporting  period to another.  At December 31, 1998,  the foreign
currency  translation  adjustment  was  included  in  a  separate  component  of
shareholders' equity.

L.  GOODWILL

At December 31, 1998, the Company has recorded  goodwill in the amount of $201.9
million,  representing the excess of acquisition cost over the fair value of net
assets acquired related to its purchases of certain  consolidated  subsidiaries.
Goodwill is  amortized  over 20 to 40 years.  The Company  recorded  goodwill of
approximately  $177.4  million net of accumulated  amortization  of $2.5 million
relating to the KeySpan  Acquisition and approximately  $24.5 million related to
the acquisition of a heating,  ventilating, and air-conditioning company and the
acquisition of an engineering firm.

M.  RECENT ACCOUNTING PRONOUNCEMENTS

COMPREHENSIVE INCOME
The Company  has  adopted  SFAS No. 130  "Comprehensive  Income."  Comprehensive
income is the change in the equity of a company,  not  including  those  changes
that result from  shareholder  transactions.  All  components  of  comprehensive
income  are  required  to be  reported  in a new  financial  statement  that  is
displayed with equal prominence as existing financial statements.

SEGMENT DISCLOSURES
At December  31, 1998,  the Company  adopted  SFAS No. 131,  "Disclosures  about
Segments of an Enterprise  and Related  Information."  SFAS No. 131  establishes
standards for additional  disclosure  about  operating  segments for interim and
annual  financial   statements.   More   specifically,   it  requires  financial
information to be disclosed for segments whose operating results are reviewed by
the chief operating decision-maker for decisions on resource allocation. It also
requires related  disclosures about products and services,  geographic areas and
major customers.  The Company's segments are based on how management  internally
analyzes the business and allocates resources. (See Note 10, "Business Segments"
for additional information.)

                                       21

<PAGE>




PENSION AND OTHER POSTRETIREMENT BENEFIT DISCLOSURES
At December 31, 1998, the Company  adopted SFAS No 132,  "Employers'  Disclosure
about  Pensions  and Other  Postretirement  Benefits."  This  statement  revises
employers' disclosure about pensions and other postretirement  benefit plans. It
does not change the  measurement or  recognition  of those plans.  The statement
standardizes the disclosure  requirements for pensions and other  postretirement
benefits,  requires additional information on changes in the benefit obligations
and fair values of plan  assets that will  facilitate  financial  analysis,  and
eliminates certain disclosures that are no longer considered useful.

DERIVATIVE INSTRUMENTS
In June 1998, the Financial  Accounting Standards Board ("FASB") issued SFAS No.
133,  "Accounting  for  Derivative  Instruments  and Hedging  Activities."  This
Statement   establishes   accounting  and  reporting  standards  for  derivative
instruments and for hedging activities. It requires that an entity recognize all
derivatives  as either  assets or  liabilities  in the  statement  of  financial
position and measure  those  instruments  at fair value.  The Company will adopt
SFAS No. 133 in the first  quarter of fiscal  year 2000.  The  Company  does not
expect any  material  earnings  effect  from  adoption of this  statement  as it
presently utilizes derivatives for hedging activities.


NOTE 2. SALE OF LILCO ASSETS,  ACQUISITION  OF KEYSPAN  ENERGY  CORPORATION  AND
TRANSFER OF ASSETS AND LIABILITIES TO THE COMPANY

On May 28, 1998, pursuant to the Agreement and Plan of Merger,  dated as of June
26, 1997 as amended, by and among the Company, LILCO, LIPA, and LIPA Acquisition
Corp.  (the "Merger  Agreement"),  LIPA acquired all of the  outstanding  common
stock of LILCO for $2.4975 billion in cash and thereafter directly or indirectly
assumed certain  liabilities  including  approximately  $3.4 billion in debt. In
addition,  LIPA  reimbursed  LILCO $339.1  million  related to certain series of
preferred stock which were redeemed by LILCO prior to May 28, 1998.  Immediately
prior to such acquisition,  all of LILCO's assets employed in the conduct of its
gas distribution business and its non-nuclear electric generation business,  and
all common assets used by LILCO in the operation and  management of its electric
T&D business and its gas distribution  business and/or its non-nuclear  electric
generation  business  (the  "Transferred  Assets")  were sold to the Company and
transferred  to  wholly-owned  subsidiaries  of the  Company  at  the  Company's
direction.

The consideration  for the Transferred  Assets consisted of (i) 3,440,625 shares
of the common stock of the Company (ii) 553,000 shares of the Series B preferred
stock of the Company,  (iii) 197,000  shares of the Series C preferred  stock of
the Company,  and (iv) the  assumption by the Company of certain  liabilities of
LILCO.  In connection  with the transfer and prior to the  effectiveness  of the
LIPA Transaction, LILCO sold Series B and C preferred stock for $75 million in a
private placement.


                                       22
<PAGE>




Moreover,  all of LILCO's outstanding  long-term debt as of May 28, 1998, except
for its 1997 Series A Electric  Facilities  Revenue  Bonds due  December 1, 2027
which were assigned to the Company,  was assumed by LIPA. In accordance with the
LIPA  Transaction,  the Company  issued  promissory  notes to LIPA  amounting to
$1.048  billion  which  represented  an amount  equivalent to the sum of (i) the
principal  amount of 7.3%  Series  Debentures  due July 15, 1999 and 8.2% Series
Debentures  due March  15,  2023  outstanding  as of May 28,  1998,  and (ii) an
allocation of certain of the Authority  Financing  Notes.  The promissory  notes
contain  identical  terms to the debt  referred  to in items (i) and (ii) above.
(See Note 7, "Long-Term Debt" for additional information.)

On May 28, 1998, immediately subsequent to the LIPA Transaction,  KSE was merged
with and into a subsidiary of the Company,  pursuant to an Agreement and Plan of
Exchange and Merger,  dated as of December 29, 1996,  between LILCO and Brooklyn
Union.  This agreement was amended and/or  restated as of February 7, 1997, June
26, 1997, and September 29, 1997, to reflect certain  technical  changes and the
assignment  by  Brooklyn  Union of all of its rights and  obligations  under the
agreement  to KSE.  On  September  29,  1997,  KSE became the parent  company of
Brooklyn Union when Brooklyn Union reorganized into a holding company structure.

As a result of these  transactions,  holders of KSE common  stock  received  one
share of the Company's common stock, par value $.01 per share, for each share of
KSE they owned and holders of LILCO  common stock  received  0.880 of a share of
the Company's common stock for each share of LILCO they owned.  Upon the closing
of these  transactions,  former  holders  of KSE and  LILCO  owned  32% and 68%,
respectively, of the Company's common stock.

The  purchase  price  of  $1.223  billion  for the  acquisition  of KSE has been
allocated to assets acquired and liabilities  assumed based upon their estimated
fair values. The fair value of the utility assets acquired is represented by its
book value which  approximates the value recognized by the NYPSC in establishing
rates  for  regulated  utility  services.  The  estimated  fair  value  of KSE's
non-utility  assets  approximated  their carrying  values.  At May 28, 1998, the
Company  recorded  goodwill  in  the  amount  of  $179.9  million,  representing
primarily  the  excess of the  acquisition  cost over the fair  value of the net
assets acquired; the goodwill is being amortized over 40 years.

The following is the comparative unaudited proforma combined condensed financial
information  for the nine months ended  December 31, 1998 and the twelve  months
ended March 31,  1998.  The  proforma  disclosures  are  intended to reflect the
results of operations as if the KeySpan Acquisition was consummated on the first
day of each of the reporting  periods below. The effects of the LIPA Transaction
have been reflected for the period May 29, 1998 through December 31, 1998. These
disclosures may not be indicative of future results.

                                       23

<PAGE>
<TABLE>
<CAPTION>
                                                       Nine Months       Twelve Months
Proforma Results                                          Ended              Ended
(in thousands of dollars except per share amounts): December 31, 1998   March 31, 1998
- -------------------------------------------------- ------------------- -----------------
<S>                                                <C>                 <C>
Revenues                                           $         1,907,129 $       4,554,093
Operating Income                                   $             4,416 $         914,272
Net Income (Loss)                                  $         (212,424) $         436,794
Basic and Diluted Earnings (Loss) per Share        $            (1.38) $            2.78
</TABLE>


The  decrease in revenues  for the  Transition  Period as compared to the twelve
months ended March 31, 1998 is due primarily to the LIPA Transaction consummated
on May 28, 1998.  Electric  revenues for the Transition  Period are derived from
service  agreements  with LIPA for the period May 29, 1998 through  December 31,
1998.  For the period  April 1, 1998  through May 28,  1998,  and for the twelve
months  ended March 31,  1998,  revenues  reflected  fully  integrated  electric
service to customers.  Included within rates charged to customers,  prior to the
LIPA Transaction, was the return on the capital investment in the generation and
T&D assets  required to operate  the system as well as recovery of the  electric
business costs to operate the system.  Upon completion of the LIPA  Transaction,
the nature of the Company's  electric business has changed from that of an owner
of an electric  generation and T&D system,  with significant capital investment,
to a new role as owner of the non-nuclear  generation  facilities and as manager
of the T&D  system now owned by LIPA.  In its new role,  the  Company's  capital
investment is significantly reduced and accordingly, its revenues under the LIPA
contracts reflect that reduction. Revenues after May 28, 1998 reflect the impact
of the LIPA agreements which contribute marginally to earnings.

Gas distribution revenues for the Transition Period do not include revenues from
heating season operations  (January through March) when the Company realizes the
major  portion  of its  gas  revenues.  Gas  distribution  revenues  during  the
Transition  Period were also impacted by rate reductions which were reflected at
the time of the KeySpan  Acquisition.  Brooklyn  Union reduced rates to its core
customers by $23.9 million annually effective May 29, 1998 and Brooklyn Union of
Long  Island  reduced  its rates to core  customers  by $12.2  million  annually
effective  February 5, 1998 and by an additional $6.3 million annually effective
May 29, 1998.

Net income for the Transition  Period also reflected  substantial  non-recurring
charges  associated  with the LIPA  Transaction  of  $107.9  million  after-tax,
special  charges related to the KeySpan  Acquisition of $83.5 million  after-tax
and a $13  million  after-tax  donation  made by the  Company to  establish  the
KeySpan  Foundation.  See Note 11, "Costs  Related to the LIPA  Transaction  and
Special Charges" for additional details.

                                       24

<PAGE>


NOTE 3. FEDERAL INCOME TAX

Income tax  expense  (benefit)  is  reflected  as  follows  in the  Consolidated
Statement of Income:
<TABLE>
<CAPTION>
                                                                             (IN THOUSANDS OF DOLLARS)
- ------------------------------------------------------------------------------------------------------
                               Nine Months       Twelve Months      Three Months           Year
                                  Ended              Ended              Ended             Ended
                           December 31, 1998    March 31, 1998     March 31, 1997   December 31, 1996
- ------------------------------------------------------------------------------------------------------
<S>                              <C>            <C>                   <C>             <C>
Operating Expenses
     Current                     $   20,144     $    86,388           $ 23,378        $   42,197
     Deferred                       (82,650)        150,983             33,624           168,000
                                    (62,506)        237,371             57,002           210,197
Other Income
     Current                          5,998            (594)                 -                 -
     Deferred                        (3,286)         (4,124)              (789)             (940)
                                      2,712          (4,718)              (789)             (940)
Transaction Related                 (99,701)              -                  -                 -
Total Federal Income Tax          $(159,495)       $232,653           $ 56,213          $209,257
</TABLE>



The  components  of  deferred  tax  assets  and  liabilities  reflected  in  the
Consolidated Balance Sheet are as follows:
<TABLE>
<CAPTION>
                                                     (IN THOUSANDS OF DOLLARS)
- --------------------------------------------------------------------------------
                                       December 31, 1998          March 31, 1998
- --------------------------------------------------------------------------------
<S>                                     <C>                      <C>
Deferred Tax Assets
Property related differences            $ 151,430                $     10,559
Benefits of tax loss carryforwards         52,157                      65,176
Reserves not currently deductible          44,263                      39,667
Other items - net                          52,629                     261,729
Total Deferred Tax Assets               $ 300,479                 $   377,131
- --------------------------------------------------------------------------------
Deferred Tax Liabilities
1989 Settlement                       $         -                  $2,169,909
Property related differences              179,583                     650,562
Regulatory tax asset                       69,277                           -
Other items - net                         123,168                      96,024
Total Deferred Tax Liabilities          $ 372,028                  $2,916,495
- --------------------------------------------------------------------------------
Net Deferred Tax Liabilities           $   71,549                  $2,539,364
- --------------------------------------------------------------------------------
</TABLE>


                                       25
<PAGE>




The following is a  reconciliation  between reported income tax and tax computed
at the statutory rate of 35%:
<TABLE>
<CAPTION>

                                                                                (IN THOUSANDS OF DOLLARS)
- ---------------------------------------------------------------------------------------------------------
                                           Nine Months    Twelve Months     Three Months         Year
                                              Ended           Ended             Ended            Ended
                                           December 31,      March 31,         March 31,      December 31,
                                               1998             1998             1997             1996
- ---------------------------------------------------------------------------------------------------------
<S>                                        <C>               <C>               <C>              <C>
Computed at the statutory rate             $(114,249)        $208,213          $50,369          $184,002
Adjustments related to:
  Net benefit from LIPA Transaction (1)      (31,503)               -                -                 -
  Tax credits                                 (1,809)          (2,464)            (940)           (4,383)
  Excess of book over tax depreciation         2,859           17,912            4,356            18,339
  Minority interest in THEC                  (10,220)               -                -                 -
  Other items - net                           (4,573)           8,992            2,428            11,299
- ---------------------------------------------------------------------------------------------------------
    Total Federal income tax               $(159,495)        $232,653          $56,213          $209,257
=========================================================================================================
    Effective income tax rate                   (49%)             39%              39%               40%
- ---------------------------------------------------------------------------------------------------------
</TABLE>

(1)  Includes tax benefits  relating to (a) the  deferred  federal  income taxes
     necessary to account for the difference  between the carryover basis of the
     Transferred  Assets for financial  reporting purposes and the new increased
     tax  basis  and (b)  certain  credits  for  financial  reporting  purposes,
     including  tax  benefits   recognized  on  the  funding  of  postretirement
     benefits,  partially offset by income taxes associated with the sale of the
     Transferred Assets to the Company by LIPA which taxes are to be paid by the
     Company.

The Company currently has federal income tax loss carryforwards of approximately
$149.1  million  that  expire in twenty  years or in 2017,  representing  losses
incurred by the Company for the nine months ended December 31, 1998.

In 1990 and 1992,  LILCO  received an Internal  Revenue  Service  Agents' Report
disallowing  certain  deductions  and  credits  claimed by LILCO on its  federal
income tax returns for the years 1981 through  1989. A settlement  resolving all
audit issues was reached  between LILCO and the Internal  Revenue Service in May
1998.  The  settlement  required the payment of taxes and interest of $9 million
and $35  million,  respectively,  which the Company  made in May 1998.  Adequate
reserves to cover such taxes and interest were previously provided.


                                       27

<PAGE>




NOTE 4.  POSTRETIREMENT BENEFITS

PENSION PLANS: The following information represents consolidated results for the
Company and its subsidiaries  (Brooklyn Union, Brooklyn Union of Long Island and
the former LILCO),  whose  noncontributory  defined  benefit pension plans cover
substantially  all  employees.  Benefits  are  based  on years  of  service  and
compensation. Funding for pensions is in accordance with requirements of federal
law and regulations. Prior to the KeySpan Acquisition, pension benefits had been
managed separately by the Company's regulated subsidiaries,  which were the only
subsidiaries  with  defined  benefit  plans.  The  Company is in the  process of
examining the  feasibility of  integrating  these plans into a more unified form
within the holding company structure.

The amounts  presented are consolidated for periods  subsequent to May 28, 1998.
Prior to that date the  amounts  pertain  solely to the plan of LILCO.  Brooklyn
Union of Long  Island is  subject to certain  deferral  accounting  requirements
mandated by the NYPSC for pension costs and other postretirement  benefit costs.
Amounts included herein also include accruals  pertaining to supplemental  plans
of the Company for obligations arising subsequent to May 28, 1998.

The calculation of net periodic pension cost follows:
<TABLE>
<CAPTION>

                                                                                            (In Thousands of Dollars)
- ---------------------------------------------------------------------------------------------------------------------
                                Nine Months Ended    Twelve Months Ended   Three Months Ended       Year Ended
                                December 31,1996        March 31, 1998        March 31, 1997        December 31, 1996
- ---------------------------------------------------------------------------------------------------------------------
<S>                                <C>                 <C>                      <C>                <C>
Service cost, benefits earned
    during the period              $   24,608          $   21,114               $   4,645          $  17,384
Interest cost on projected
     benefit  obligation               66,341              56,379                  12,494             47,927
Return on plan assets                 (51,745)           (196,300)                 (3,500)           (81,165)
Special termination charge (1)         61,558                   -                       -                  -
Net amortization and deferral         (33,942)            147,713                  (9,640)            33,541
Total pension cost                 $   66,820          $   28,906               $   3,999         $   17,687
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>

(1) Early retirement plan completed in December 1998.


                                       28

<PAGE>




The following  table sets forth the pension plans' funded status at December 31,
1998 and March 31,  1998.  Plan assets  principally  are common  stock and fixed
income securities:
<TABLE>
<CAPTION>

                                                        (IN THOUSANDS OF DOLLARS)
- --------------------------------------------------------------------------------
                                        December 31,1998        March 31, 1998
- --------------------------------------------------------------------------------
<S>                                           <C>                <C>
Change in benefit obligation:
Benefit obligation at beginning of period     $   (825,159)      $   (807,703)
    Benefit obligation of KSE                     (674,100)                 -
    Service cost                                   (24,608)           (21,114)
    Interest cost                                  (66,341)           (56,379)
    Actuarial (loss) gain                          (61,929)            16,737
    Special termination benefits (1)               (61,558)                 -
    Total benefits paid                             63,575             43,300
- --------------------------------------------------------------------------------
Benefit obligation at end of period             (1,650,120)          (825,159)
- --------------------------------------------------------------------------------
Change in plan assets:
  Fair value of plan assets at beginning of
               period                              919,100            744,400
    Fair value of KSE plan assets                  754,127                  -
    Actual return on plan assets                    51,745            196,300
    Employer contribution                           13,500             18,000
    Benefits paid from trust                       (62,868)           (39,600)
- --------------------------------------------------------------------------------
Fair value of plan assets at end of period       1,675,604            919,100
- --------------------------------------------------------------------------------
Funded status                                       25,484             93,941
Unrecognized net (gain) from past experience
different from that assumed and from changes
in assumptions                                    (158,103)          (163,034)

Unrecognized prior service cost                     54,234                  -
Unrecognized transition obligation                   4,138             62,652
- --------------------------------------------------------------------------------
Net accrued pension cost reflected
on consolidated balance sheet               $      (74,247)        $   (6,441)
================================================================================
(1)     Early retirement plan completed in December 1998.
</TABLE>


<TABLE>
<CAPTION>

- -------------------------------------------------------------------------------------------------------------------
                                               Nine Months     Twelve Months    Three Months
                                                  Ended            Ended            Ended             Year Ended
                                             December 31,1998  March 31, 1998    March 31, 1997   December 31, 1996
- -------------------------------------------------------------------------------------------------------------------
   <S>                                            <C>              <C>              <C>              <C>
   Obligation discount                            6.50%            7.00%            7.00%            7.25%
   Asset return                                   8.50%            8.50%            7.50%            7.50%
   Average annual increase in compensation        5.00%            4.50%            5.00%            5.00%

</TABLE>

                                       29

<PAGE>


INFORMATION ON THE LILCO SUPPLEMENTAL PLAN
The  Supplemental  Plan in effect  prior to May 28, 1998  provided  supplemental
death and  retirement  benefits for officers  and other key  executives  without
contribution from such employees. The Supplemental Plan was a non-qualified plan
under the Internal Revenue Code of 1986, as amended (the "Code").  The provision
for plan benefits totaled $0.7 million for the three months ended March 31, 1997
and $2.7 million for the year ended  December 31,  1996.  For the twelve  months
ended March 31, 1998,  a charge of $31 million was recorded  relating to certain
benefits earned by former officers of LILCO relating to the termination of their
annuity  benefits  earned  through the  supplemental  retirement  plan and other
executive  retirement  benefits.  This charge, which was borne by LILCO, and not
recovered from ratepayers,  resulted from provisions in the employment contracts
of LILCO officers.

OTHER  POSTRETIREMENT  BENEFITS - RETIREE  HEALTH CARE AND LIFE  INSURANCE:  The
following  information  represents  consolidated results for the Company and its
subsidiaries  (Brooklyn  Union,  Brooklyn  Union of Long  Island  and the former
LILCO) who sponsor noncontributory defined benefit plans under which is provided
certain  health care and life  insurance  benefits  for retired  employees.  The
Company has been funding a portion of future  benefits  over  employees'  active
service  lives  through  Voluntary  Employee  Beneficiary  Association  ("VEBA")
trusts. Contributions to VEBA trusts are tax deductible,  subject to limitations
contained in the Code.  Prior to the KeySpan  Acquisition  other  postretirement
benefits had been managed  separately by the Company's  regulated  subsidiaries,
which were the only  subsidiaries  with defined benefit plans. The Company is in
the process of examining the feasibility of integrating  these plans into a more
unified form within the holding company structure.

The amounts  presented herein are  consolidated  for periods  subsequent May 28,
1998. Prior to that date the amounts pertain solely to the plan of LILCO.


Net  periodic   other   postretirement   benefit  cost  included  the  following
components:
<TABLE>
<CAPTION>

                                                                          (IN THOUSANDS OF DOLLARS)
- --------------------------------------------------------------------------------------------------------
                                    Nine Months     Twelve Months    Three Months
                                        Ended            Ended            Ended          Year Ended
                                   December 31, 1998  March 31, 1998  March 31, 1997   December 31, 1996
- --------------------------------------------------------------------------------------------------------
<S>                                   <C>             <C>                <C>              <C>
Service cost, benefits earned
        during the period             $   9,569       $  12,204          $  2,821         $  10,690
Interest cost on accumulated post-
        retirement benefit obligation    26,414          27,328             6,642            25,030
Return on plan assets                   (13,857)         (6,164)             (628)           (3,046)
Special termination charge (1)            3,073               -                 -                 -
Net amortization and deferral           (14,665)        (10,468)           (3,409)          (12,175)
- --------------------------------------------------------------------------------------------------------
Other postretirement benefit cost     $  10,534       $  22,900          $  5,426         $  20,499
- --------------------------------------------------------------------------------------------------------
</TABLE>
(1) Early retirement plan completed in December 1998.

                                       30

<PAGE>

The following table sets forth the plan's funded status at December 31, 1998 and
March 31,  1998.  Plan  assets  principally  are common  stock and fixed  income
securities:

<TABLE>
<CAPTION>

                                                               (IN THOUSANDS OF DOLLARS)
- ----------------------------------------------------------------------------------------
                                                     December 31, 1998    March 31, 1998
- ----------------------------------------------------------------------------------------
<S>                                                   <C>                <C>
Change in benefit obligation:
        Benefit obligation at beginning of period      $   (358,941)      $   (415,672)
        Benefit obligation of KSE                          (226,645)                 -
        Service cost                                         (9,569)           (12,204)
        Interest cost                                       (26,414)           (27,328)
        Plan participants' contributions                       (900)                 -
        Actuarial (loss) gain                              (121,228)            83,793
        Special termination benefits (1)                     (3,073)                 -
Total benefits paid                                          18,515             12,470
- ----------------------------------------------------------------------------------------
Benefit obligation at end of period                        (728,255)          (358,941)
- ----------------------------------------------------------------------------------------
Change in plan assets:
        Fair value of plan assets at beginning of period    108,165             80,533
        Fair value of KSE plan assets                       113,917                  -
        Actual return on plan assets                         13,857              6,164
        Employer contribution                               250,000             21,592
        Plan participants' contributions                          -                  -
        Benefits paid from trust                             (7,161)              (124)
- ----------------------------------------------------------------------------------------
Fair value of plan assets at end of period                  478,778            108,165
- ----------------------------------------------------------------------------------------
Funded status                                              (249,477)          (250,776)

Unrecognized net loss (gain) from past  experience
different from that assumed and from changes in
assumptions                                                 145,834           (102,346)

Unrecognized prior service cost                                 166                175
- ----------------------------------------------------------------------------------------
Accrued benefit cost reflected on
consolidated balance sheet                             $   (103,477)      $   (352,947)
- ----------------------------------------------------------------------------------------
</TABLE>
(1) Early retirement plan completed in December 1998.


<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------------------------
                               Nine Months     Twelve Months     Three Months
                                  Ended            Ended            Ended          Year Ended
                             December 31, 1998 March 31, 1998   March 31, 1997   December 31, 1996
- --------------------------------------------------------------------------------------------------
<S>                               <C>              <C>              <C>               <C>
Assumptions:
 Obligation discount              6.50%            7.00%            7.00%             7.25%
 Asset return                     8.50%            8.50%            7.50%             7.50%
 Average annual increase in       5.00%            4.50%            5.00%             5.00%
     compensation
</TABLE>

                                       31

<PAGE>

The measurement of plan  liabilities  also assumes a health care cost trend rate
of 6% annually.  A 1% increase in the health care cost trend rate would have the
effect of increasing the  accumulated  postretirement  benefit  obligation as of
December 31, 1998 by $103.8 million and the net periodic  health care expense by
$7.9  million.  A 1%  decrease in the health care cost trend rate would have the
effect of decreasing the  accumulated  postretirement  benefit  obligation as of
December 31, 1998 by $82.3  million and the net periodic  health care expense by
$6.2 million.

In 1993,  LILCO adopted the provisions of SFAS No. 106,  "Employer's  Accounting
for Post- Employment  Benefits Other Than Pensions," and recorded an accumulated
postretirement benefit obligation and a corresponding regulatory asset of $376.0
million.  LIPA will  reimburse the Company for costs  related to  postretirement
benefits of the electric  business unit  employees;  therefore,  the Company has
reclassified  the regulatory asset for  postretirement  benefits to a receivable
from LIPA.

In 1994, LILCO established VEBA trusts for union and non-union employees for the
funding of costs collected in rates for postretirement benefits. The trusts were
funded with contributions of $21.0 million for the twelve months ended March 31,
1998,  $5.0 million for the three months ended March 31, 1997 and $18.0  million
for the year ended December 31, 1996. In May 1998, an additional  $250.0 million
was funded into the trusts.

NOTE 5. CAPITAL STOCK

COMMON STOCK:  Currently the Company has 450,000,000 shares of authorized common
stock.  In the nine month  period  ended  December  31, 1998 the Company  issued
396,570  shares for $10.2  million  under the  Dividend  Reinvestment  and Stock
Purchase Plan, the Discount Stock Purchase Plan for Employees,  and the Employee
Savings Plan. In October 1998, the Company announced that the Board of Directors
authorized  using up to $500  million  for the  purchase  of  common  shares  in
addition  to the  Board's  previous  authorization  to purchase up to 15 million
common shares. As of December 31, 1998, the Company had repurchased 14.2 million
common shares for $423.7 million.

PREFERRED  STOCK: The Company has the authority to issue  100,000,000  shares of
preferred  stock  with  the  following  classifications:  16,000,000  shares  of
preferred stock,  par value $25 per share,  1,000,000 shares of preferred stock,
par value $100 per share and  83,000,000  shares of preferred  stock,  par value
$.01 per share.

At December 31, 1998,  14,520,000  redeemable  shares of 7.95%  Preferred  Stock
Series AA par value $25 was outstanding  totaling  $363.0  million,  which has a
mandatory  redemption  requirement on June 1, 2000. The Company also had 553,000
shares outstanding of private placement 7.07% Preferred Stock Series B par value
$100 and 197,000 shares  outstanding of private  placement 7.17% Preferred Stock
Series C par value $100 totaling $75.0 million. In addition, during the year the
Company issued, in a private  placement,  99,727  nonredeemable  shares totaling
approximately $10.0


                                       32

<PAGE>




million of 6% Preferred  Stock Series A par value $100 to employees as incentive
compensation.  Preferred  Stock Series A, B and C were privately  issued and are
not publicly traded.

On April 17, 1998,  LILCO exercised its option to redeem the callable  preferred
stock and called for redemption on May 19, 1998 all of the outstanding shares of
preferred  stock  Series B,  Series  D,  Series E,  Series F,  Series H,  Series
I-Convertible,  Series L and  Series  NN.  These  preferred  stock  series  were
redeemed for $117.5 million,  including accrued and unpaid dividends,  plus $4.5
million of call premiums.  In addition,  pursuant to the LIPA  Transaction  each
share of  non-redeemable  preferred  stock Series CC,  Series GG,  Series QQ and
Series UU was canceled and  converted to cash in the amount of the present value
plus  accrued  and unpaid  dividends.  The  non-redeemable  preferred  stock was
converted for $223.2 million,  including accrued and unpaid dividends,  plus $18
million of call premiums.  On May 28, 1998,  LIPA  reimbursed the Company $339.1
million for the preferred stock series that were redeemed.

Dividends on preferred stock are paid in preference to dividends on common stock
or any other stock ranking junior to preferred stock.

NOTE 6.  NONQUALIFIED STOCK OPTIONS

At December 31, 1998, the Company had  stock-based  compensation  plans that are
described  below.  Moreover,  under a separate plan,  THEC has issued  2,124,438
stock options to key THEC employees.  The Company and THEC apply APB Opinion 25,
"Accounting  for Stock  Issued to  Employees,"  and related  Interpretations  in
accounting  for  their  plans.  Accordingly,   no  compensation  cost  has  been
recognized  for these fixed stock  option  plans in the  Consolidated  Financial
Statements  since the exercise  prices and market values were equal on the grant
dates. Had  compensation  cost for these plans been determined based on the fair
value at the grant dates for awards  under the plans  consistent  with SFAS 123,
"Accounting for Stock-Based  Compensation,"  the Company's net loss and loss per
share would have been increased to the proforma amounts indicated below:

<TABLE>
<CAPTION>

- --------------------------------------------------------------------------------
                                                               Nine Months Ended
                                                               December 31, 1998
- --------------------------------------------------------------------------------
<S>                                             <C>                   <C>
Income (loss) available for common stock (000):  As reported          $(195,537)
                                                 Proforma             $(198,996)

Primary earnings (loss) per share:               As reported            $(1.34)
                                                 Proforma               $(1.37)
- --------------------------------------------------------------------------------
</TABLE>


Prior to the KeySpan Acquisition, KSE had reserved for issuance 1,500,000 shares
of  nonqualified  stock  options  and had issued  426,000,  363,500  and 202,800
nonqualified stock options in November 1997, 1996 and 1995, respectively.  These
options have remained outstanding and, under the terms

                                       33
<PAGE>




of the Merger  Agreement,  all options vested upon  consummation  of the KeySpan
Acquisition.  Holders are now permitted to exercise  vested  options for Company
common stock.

The fair  values of grants  issued in November  1997,  1996 and 1995 were $4.62,
$4.27 and $2.78,  respectively.  All grants were  estimated on the date of grant
using the  Black-Scholes  option-pricing  model. The following  weighted-average
assumptions  were  used for  grants  issued  in  November  1997,  1996 and 1995:
dividend yield of 5.00%, 4.66% and 5.57%;  expected volatility of 16.24%, 16.56%
and 16.879%;  risk free  interest rate of 6.00%,  6.00% and 6.28%;  and expected
lives of 6 years,  respectively.  The  exercise  prices are  $32.63,  $30.50 and
$27.00, respectively.

A summary of the status of the Company's fixed stock option plans as of December
31, 1998 and changes during the period is presented below:

<TABLE>
<CAPTION>

                                             Nine Months Ended December 31, 1998
- --------------------------------------------------------------------------------
                                                                  Weighted Avg.
Fixed Options                                          Shares     Exercise Price
- --------------------------------------------------------------------------------
<S>                                                    <C>             <C>
Outstanding at beginning of period                     992,300         $30.70
Exercised                                              (13,631)        $28.67
Forfeited                                              (57,603)        $29.45
Outstanding and exercisable at end of period           921,066         $30.80
- --------------------------------------------------------------------------------
</TABLE>


<TABLE>
<CAPTION>

                       Options Outstanding and Exercisable
- --------------------------------------------------------------------------------
                            Number       Weighted Avg.
                         Outstanding        Remaining          Weighted Avg.
 Exercise Price          at 12/31/98     Contractual Life      Exercise Price
- --------------------------------------------------------------------------------
<S> <C>                   <C>               <C>                    <C>
    $27.00                168,066           7 years                $27.00
    $30.50                344,000           8 years                $30.50
    $32.63                409,000           9 years                $32.63
- --------------------------------------------------------------------------------
                          921,066
- --------------------------------------------------------------------------------
</TABLE>

At the 1999 Annual Meeting of  Shareholders,  the Company will seek  shareholder
approval of its Long-Term Performance and Compensation Plan ("Plan"). This Plan,
if approved,  will allow the Company to issue to key employees stock options and
incentive  stock  options,  as well as restricted  stock awards and  performance
stock  awards.  The total  shares to be issued  under  this Plan will not exceed
10,500,000 shares.

                                       34


<PAGE>




NOTE 7. LONG-TERM DEBT

Gas Facilities Revenue Bonds:  Brooklyn Union can issue tax-exempt bonds through
the New York State Energy Research and Development Authority. Whenever bonds are
issued for new gas  facilities  projects,  proceeds  are  deposited in trust and
subsequently withdrawn to finance qualified  expenditures.  There are no sinking
fund  requirements  on any of the Company's Gas  Facilities  Revenue  Bonds.  At
December 31, 1998,  Brooklyn Union had $648.5 million of Gas Facilities  Revenue
Bonds outstanding. The interest rate on the Variable Rate Series due December 1,
2020 is reset weekly and ranged from 2.48% to 4.23%  through  December 31, 1998,
at which time the average rate was 3.90%.

In December 1998, the Company  purchased a portfolio of securities  representing
direct purchase  obligations of the United States  Government.  These securities
were placed in trust,  irrevocably  dedicated  to the  repayment  of certain Gas
Facilities  Revenue  Bonds,  thereby  effecting an  in-substance  defeasance  of
approximately  $8.9 million  including  interest.  The  in-substance  defeasance
represented  $4 million of  outstanding  bonds of each of the 6.75% Series 1989A
due February 1, 2024 and 6.75%  Series  1989B due February 1, 2024.  The Company
has not been relieved of its obligation and remains the primary obligor for this
debt.  Based on the accounting  requirements  of SFAS No. 125,  "Accounting  for
Transfers  and  Servicing  of  Financial  Assets  and  the   Extinguishment   of
Liabilities," the liability is not considered  extinguished and is recognized on
the accompanying Consolidated Balance Sheet.

AUTHORITY FINANCING NOTES: The Company's electric generation subsidiary can also
issue   tax-exempt  bonds  through  the  New  York  State  Energy  Research  and
Development  Authority.  At  December  31,  1998,  $24.9  million  of  Authority
Financing Notes were  outstanding.  The interest rate on these notes is variable
and  ranged  from 2.65% to 4.75%  through  December  31,  1998 at which time the
average rate was 4.10%.

PROMISSORY NOTES: At March 31, 1998, total long-term debt outstanding was $4.497
billion. In accordance with the LIPA Agreement,  LIPA has assumed  substantially
all of the  outstanding  long-term  debt of LILCO  except for the 1997  Series A
Electric  Facilities  Revenue  Bonds due December 1, 2027 which were assigned to
the  Company.  In  accordance  with  the  LIPA  Agreement,  the  Company  issued
promissory  notes  to LIPA  for  $1.048  billion  which  represented  an  amount
equivalent to the sum of: (i) the principal amount of 7.3% Series Debentures due
July 15, 1999 and 8.2% Series  Debentures due March 15, 2023  outstanding at May
28, 1998,  and (ii) an allocation of certain of the Authority  Financing  Notes.
The promissory  notes contain  identical  terms as the debt referred to in items
(i) and (ii) above.

On November 3, 1998, the Company extinguished a portion of its obligation of the
promissory notes to LIPA relating to certain series of bonds that were called by
LIPA on  December  1, 1998.  The  Company's  obligation  for these bonds of $2.1
million  consisted of the principal  amount and the interest accrued and unpaid.
In addition, on December 1, 1998, the Company extinguished a portion

                                       35
<PAGE>




of its obligation of the promissory  notes on a certain series of bonds due to a
mandatory sinking fund redemption  payment of $1 million.  The carrying value of
the promissory notes at December 31, 1998 was $1.045 billion.

The  promissory  notes issued to LIPA included an allocation  for certain of the
Authority  Financing Notes.  Authority Financing Notes Series 1993B due November
1, 2023,  Series  1994A due October 1, 2024 and Series  1995A due August 1, 2025
have  variable  interest  rate features in which the interest rate is reset on a
weekly  basis.  The  interest  rates for these notes  ranged from 2.30% to 4.35%
during the nine months  ended  December  31, 1998 at which time the average rate
was 4.10%.  Authority  Financing Notes Series 1985A due March 1, 2016 and Series
1985B due  March 1,  2016 have  variable  interest  rate  features  in which the
interest rate is reset on an annual basis.  The interest rate for these notes at
December 31, 1998 was 3.58%.  On March 1, 1999, LIPA converted the variable rate
features of these notes to fixed interest rates.  Series 1993B, Series 1994A and
Series 1995A were converted to a fixed rate of 5.30% and Series 1985A and Series
1985B were converted to a fixed rate of 5.15%.

GENERAL &  REFUNDING  ("G&R")  MORTGAGE  BONDS:  Upon  consummation  of the LIPA
Transaction,  all of the series of G&R Bonds have been  assumed and  redeemed by
LIPA resulting in the termination of the G&R Mortgage.

OTHER LONG-TERM DEBT: THEC has an available line of credit of $150 million which
supports  borrowings under a revolving loan agreement.  Up to $5 million of this
line is available  for the issuance of letters of credit to support  performance
guarantees.  This credit facility matures on July 1, 2000. At December 31, 1998,
borrowings of $133 million were  outstanding  under this line of credit and $0.4
million was committed under outstanding letter of credit obligations. Borrowings
under this  facility  bear  interest,  at THEC's  option,  at rates indexed at a
premium to the Federal Funds rate or LIBOR rate, or based on the prime rate. The
weighted  average  interest  rate on this debt was 6.44% at December  31,  1998.
Covenants  related to this line of credit  require  the  maintenance  of certain
financial ratios and involve other  restrictions  regarding cash dividends,  the
purchase  or  redemption  of stock and the  pledging  of  assets.  Moreover,  at
December 31, 1998, THEC had $100 million of 8.625% Senior Subordinated Notes due
2008  outstanding.  These notes were issued in a private placement in March 1998
and are subordinate to borrowings under THEC's line of credit.

A subsidiary of the Energy  Related  Investment  segment had borrowings of $67.5
million  outstanding  at December 31, 1998, at an interest  rate of 5.25%.  Gulf
Midstream  Services  Partnership  ("GMS") was then provided with a loan of $64.8
million that bears interest on commercial terms.

DEBT MATURITY  SCHEDULE:  The total  long-term debt maturing in each of the next
five years ending  December 31 is as follows:  1999,  $398 million;  2000,  $1.0
million; 2001, $1.0 million; 2002, $3.5 million; and 2003, $3.5 million.

                                       36

<PAGE>




NOTE 8. CONTRACTUAL OBLIGATIONS,  FINANCIAL INSTRUMENTS AND CONTINGENCIES:

FIXED OBLIGATIONS:  Lease costs included in operation expense were $28.9 million
in 1998. The future minimum lease  payments under various  leases,  all of which
are  operating  leases,  are $22.1 million per year over the next five years and
$119.2 million, in the aggregate, for all years thereafter.

FIXED CHARGES UNDER FIRM  CONTRACTS:  The Company's  utility  subsidiaries  have
entered into various  contracts for gas delivery,  storage and supply  services.
The  contracts  have  remaining  terms that cover  from one to  fourteen  years.
Certain of these  contracts  require payment of monthly charges in the aggregate
amount  of $5.1  million  per  month in all  events  regardless  of the level of
service  available.  Such charges are  recovered  from utility  customers as gas
costs.

FAIR VALUE OF FINANCIAL  INSTRUMENTS:  The fair value of the Company's preferred
stock at December 31, 1998 was $471.6  million and the carrying value was $448.0
million.

The  Company's   long-term  debt  consists  primarily  of  publicly  traded  Gas
Facilities  Revenue Bonds,  Authority  Financing Notes and Debentures,  the fair
value of which is  estimated  on quoted  market  prices  for the same or similar
issues.  The  Authority  Financing  Notes and  Debentures  are  included  in the
promissory  notes to LIPA.  (See Note 2, "Sale of LILCO Assets,  Acquisition  of
KeySpan  Energy  Corporation  and  Transfer  of Assets  and  Liabilities  to the
Company" and Note 7, "Long-Term Debt" for additional information.)

The carrying amounts and fair values of the Company's long-term debt at December
31, 1998 and March 31, 1998 were as follows:

<TABLE>
<CAPTION>

FAIR VALUE                                       (IN THOUSANDS OF DOLLARS)
- --------------------------------------------------------------------------------
                                   DECEMBER 31, 1998      March 31, 1998
- --------------------------------------------------------------------------------
<S>                                 <C>                     <C>
Gas facilities revenue bonds          687,863                       -
General and refunding bonds                 -               1,288,470
Debentures                                  -               2,407,178
Authority financing notes              24,880                 987,646
Promissory notes                    1,097,226                       -
- --------------------------------------------------------------------------------
Total                               1,809,969               4,683,294
================================================================================
</TABLE>
<TABLE>
<CAPTION>



CARRYING AMOUNT                                   (IN THOUSANDS OF DOLLARS)
- --------------------------------------------------------------------------------
                                   DECEMBER 31, 1998       March 31, 1998
- --------------------------------------------------------------------------------
<S>                                  <C>                    <C>
Gas facilities revenue bonds           648,500                      -
General and refunding bonds                  -              1,286,000
Debentures                                   -              2,270,000
Authority financing notes               24,880                940,555
Promissory notes                     1,044,902                      -
- --------------------------------------------------------------------------------
Total                                1,718,282              4,496,555
</TABLE>
================================================================================

                                       37
<PAGE>


At December 31, 1998, THEC's $100 million 8.625% Senior  Subordinated  Notes due
2008 had a fair  market  value of $98  million.  All  other  THEC debt and other
subsidiary  debt is  carried  at an  amount  approximating  fair  value  because
interest  rates  are  based  on  current  market  rates.   All  other  financial
instruments  included in the  Consolidated  Balance  Sheet are stated at amounts
that approximate fair values.

DERIVATIVE  FINANCIAL  INSTRUMENTS:  The  Company's  utility,  marketing and gas
exploration and production subsidiaries employ derivative financial instruments,
such as natural  gas and oil  futures,  options  and swaps,  for the  purpose of
hedging exposure to commodity price risk.

Utility tariffs  applicable to certain  large-volume  customers permit gas to be
sold at prices  established  monthly  within a specified  range  expressed  as a
percentage of prevailing  alternate  fuel oil prices.  The Company uses standard
New York Mercantile  Exchange  ("NYMEX") futures contracts to fix profit margins
on  specified  portions  of the  sales  to  this  market  in line  with  pricing
objectives.  Implementation of the strategy involves establishment of long (buy)
positions in gas futures contracts with offsetting short (sell) positions in oil
futures  contracts of  equivalent  energy value.  The long gas futures  position
follows,  generally within a range of 80% to 120%, the cost of gas to serve this
market while the short oil futures position correspondingly  replicates,  within
the same range, the selling price of gas.

KeySpan  Energy  Services  ("KES"),  the  Company's  gas and electric  marketing
subsidiary,  sells gas at fixed annual rates and utilizes standard NYMEX futures
contracts and swaps to fix profit margins.  In the swap  instruments,  which are
employed to hedge  exposure to basis risk, KES pays the other parties the amount
by which the floating variable price (settlement price) is below the fixed price
and receives the amount by which the settlement price exceeds the fixed price.

THEC utilizes derivative commodity instruments to hedge future sales prices on a
portion of its natural gas production to achieve a more  predictable  cash flow,
as well as to reduce its exposure to adverse price  fluctuations of natural gas.
Hedging instruments used include swaps, collars and options. With respect to any
particular swap transaction,  the counter party is required to make a payment to
THEC in the event that the settlement  price for any  settlement  period is less
than the swap price for such  transaction,  and THEC is required to make payment
to the counter party in the event that the  settlement  price for any settlement
period is greater than the swap price for such  transaction.  For any particular
collar  transaction,  the counter party is required to make a payment to THEC if
the settlement price for any settlement period is below the floor price for such
transaction,  and THEC is required to make  payment to the counter  party if the
settlement  price for any settlement  period is above the ceiling price for such
transaction. For any particular floor transaction, the counter party is required
to make a payment to THEC if the settlement  price for any settlement  period is
below the floor  price for such  transaction.  THEC is not  required to make any
payment in connection with a floor transaction.  For option contracts,  THEC has
the option,  but not the  obligation,  to buy contracts up to the day before the
last trading day for that NYMEX contract.

                                       38

<PAGE>


The following table  summarizes the notional  amounts and related fair values of
the derivative financial instrument positions  outstanding at December 31, 1998.
Fair values are based on quotes for the same or similar instruments.

<TABLE>
<CAPTION>


- ----------------------------------------------------------------------------------------------
 Gas: Type of    Fiscal Year of    Fixed Price Per     Volume         Notional
   Contracts        Maturity            Mcf            (Mcf)          Amount        Fair Value
- ---------------    -----------    -------------    -----------     -----------    ------------
                                                                    (In Thousands of Dollars)
<S>                 <C>            <C>              <C>                <C>             <C>
Futures             1999/2000      $1.90-$2.55      12,270,000         $28,295         $24,190

Collars               1999
  Ceiling                             $2.90            280,000            $812               -
  Floor                               $2.40            280,000            $672            $126

Swaps                 1999            $2.50            755,000          $1,887            $534

</TABLE>

<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------
 Oil: Type of    Fiscal Year of   Fixed Price Per     Volume         Notional
   Contracts        Maturity         Gallon          (Gallons)        Amount        Fair Value
- ---------------    -----------    -------------    -----------     -----------    ------------
                                                                    (In Thousands of Dollars)

<S>                   <C>          <C>               <C>                  <C>           <C>
Futures               1999         $0.56-$0.58       4,284,000            $476          $1,474
- ----------------------------------------------------------------------------------------------
</TABLE>

As of December 31, 1998, no futures  contract  extended beyond May 2000.  Margin
deposits  with  brokers at December 31, 1998 of $10.7  million were  recorded in
Other in the Current Assets section of the Consolidated Balance Sheet.  Deferred
losses  on closed  positions  were $4.0  million  at  December  31,  1998.  Such
deferrals are generally recorded in net income within one month.

The  Company's  subsidiaries  are  exposed  to  credit  risk  in  the  event  of
nonperformance  by  counter  parties  to  derivative   contracts,   as  well  as
nonperformance by the counter parties of the transactions against which they are
hedged.  The  Company  believes  that the credit  risk  related to the  futures,
options and swap contracts is no greater than that  associated  with the primary
contracts which they hedge, as these contracts are with major  investment  grade
financial  institutions,  and that  elimination of the price risk lowers overall
business risk.

In addition to the derivative instruments discussed above, at December 31, 1998,
THEC had one interest rate swap agreement to exchange the differential between a
fixed  rate of  6.025%  and a market  LIBOR  rate  using an  aggregate  notional
principal of $30.0  million  over various  90-day  periods  from  November  1998
through November 1999.

LEGAL  MATTERS:  From time to time,  the  Company is  subject  to various  legal
proceedings  arising  out of the  ordinary  course  of its  business.  Except as
described  below,  the Company does not consider any of such  proceedings  to be
material to its business or likely to result in a material adverse effect on its
results of operations or financial condition.


                                       39
<PAGE>


Subsequent to the LIPA Transaction and KeySpan Acquisition,  former shareholders
of LILCO commenced 13 class action lawsuits in the New York State Supreme Court,
Nassau  County,  against each of the former  officers and directors of LILCO and
the Company.  These actions were  consolidated in August 1998. The  consolidated
action  alleges that in connection  with certain  payments  LILCO had determined
were payable in connection with the LIPA Transaction and KeySpan  Acquisition to
LILCO's chairman,  and to former officers of LILCO  ("Payments"):  (i) the named
defendants  breached  their  fiduciary  duty owed to LILCO and KSE former and/or
current  Company  shareholders  as a result  of the  Payments;  (ii)  the  named
defendants  intended  to defraud  such  shareholders  by means of  manipulative,
deceptive and wrongful conduct,  including materially  inaccurate and incomplete
news reports and filings with the  Securities and Exchange  Commission  ("SEC");
and (iii) the named defendants  recklessly and/or negligently failed to disclose
material facts associated with the Payments.

In addition,  three shareholder  derivative actions have been commenced pursuant
to which such  shareholders seek the return of the Payments or damages resulting
from among other things,  an alleged breach of fiduciary duty on the part of the
former LILCO officers and  directors.  One action was brought on behalf of LILCO
in federal  court.  The Company moved to dismiss this action in September  1998.
The other two  actions  were  brought on behalf of the Company in New York State
Supreme Court, Nassau County. In one of these state court actions, the Company's
directors and the recipients of the Payments are also named as defendants.

Finally,  two class action securities suits were filed in federal court alleging
that certain  officers and  directors of LILCO  violated the federal  securities
laws by failing to  properly  disclose  that the LIPA  Transaction  and  KeySpan
Acquisition  would trigger the  Payments.  These  actions were  consolidated  in
October 1998.

On March 17, 1999,  the Company signed a Memorandum of  Understanding  to settle
the  above-referenced  actions,  except the federal court derivative  action, in
exchange  for (i) $7.9 million to be  distributed  (less  plaintiffs'  attorneys
fees) to former LILCO and KSE shareholders  and (ii) the Company's  agreement to
implement certain corporate  governance and executive  compensation  procedures.
The entire $7.9 million settlement commitment will be funded from insurance. The
parties  intend to submit the  settlement to the Nassau County Supreme Court for
its review and approval. If that Court approves the settlement, the parties will
then make an application  to the federal court for an order and final  judgment,
dismissing  the  three  federal  court  actions,  including  the  federal  court
derivative action, based, among other things, on the binding effect of the state
court judgment.

In addition to the above mentioned actions, a class action lawsuit has also been
filed in the New York State  Supreme  Court,  Suffolk  County,  by the County of
Suffolk against LILCO's former officers and/or directors.  The County of Suffolk
alleges that the Payments were  improper,  and seeks to recover the Payments for
the benefit of Suffolk County ratepayers.  The Company moved to consolidate this
action with the above-mentioned consolidated action in October 1998.


                                       40

<PAGE>


In October 1998,  the County of Suffolk and the Towns of Huntington  and Babylon
commenced  an action  against  LIPA,  the  Company,  the NYPSC and others in the
United  States  District  Court  for  the  Eastern  District  of New  York  (the
"Huntington Lawsuit").  The Huntington Lawsuit alleges, among other things, that
LILCO  ratepayers  (i) have a property  right to receive or share in the alleged
capital gain that resulted from the transaction with LIPA (which gain is alleged
to be at least $1  billion);  and (ii)  that  LILCO  was  required  to refund to
ratepayers the amount of a Shoreham-related  deferred tax reserve (alleged to be
at least $800 million)  carried on the books of LILCO at the consummation of the
LIPA Transaction.  In December 1998, the plaintiffs amended their complaint. The
amended  complaint  contains  allegations  relating to the Payments and adds the
recipients  of the  Payments as  defendants.  In January  1999,  the Company was
served with the amended complaint.

Finally,  certain other proceedings have been commenced relating to the Payments
and disclosures made by LILCO with respect thereto.  These  proceedings  include
investigations by the New York State Attorney General, the NYPSC and LIPA, joint
hearings  conducted by two  committees  of the New York State  Assembly,  and an
informal,  non-public  inquiry by the SEC. In December 1998, the Company settled
with LIPA and the NYPSC. The agreement included a payment of $5.2 million by the
Company  to LIPA that will be used by LIPA to supply  postage-paid  bill  return
envelopes  to  customers  for the next three  years.  The Company also agreed to
fully  reimburse and  indemnify  LIPA for costs  incurred by LIPA,  amounting to
approximately  $765,000,  for  attorneys and other  consultants  involved in the
investigation.  Such  amounts  are not  covered  by  insurance.  The  Company is
cooperating fully with the investigations of the New York State Attorney General
and the SEC.  To date,  no action  has been  taken  either by the New York State
Attorney General or the SEC.

At this time the  Company is unable to  determine  the  outcome  of the  ongoing
proceedings, or any of the remaining lawsuits described above.

THE CLASS SETTLEMENT: The Class Settlement, which became effective in June 1989,
resolved a civil  lawsuit  against  LILCO  brought  under the federal  Racketeer
Influenced  and  Corrupt  Organizations  Act.  The  lawsuit,   which  the  Class
Settlement resolved,  had alleged that LILCO made inadequate  disclosures before
the NYPSC  concerning  the  construction  and  completion of nuclear  generating
facilities.   The  Class  Settlement   provided  electric  customers  with  rate
reductions of $390.0  million that were being  reflected as adjustments to their
monthly  electric bills over a ten-year period which began on June 1, 1990. Upon
its  effectiveness,  a liability  was  recorded  for the Class  Settlement  on a
present  value  basis at $170.0  million.  The Class  Settlement  obligation  of
approximately  $75.0  million at December 31, 1998 reflects the present value of
the  remaining  reductions  to be refunded to  customers.  The  reduction in the
present  value  of  this  liability  has  been  included  in  the   accompanying
Consolidated  Income Statement.  As a result of the LIPA Transaction,  LIPA will
reimburse  the remaining  balance to its electric  customers as an adjustment to
their monthly electric bills. The Company will then, in turn,  reimburse LIPA on
a monthly basis for such reductions on the customer's  monthly bill. The Company
remains ultimately obligated for the refund of the Class Settlement.


                                       41

<PAGE>





ENVIRONMENTAL  MATTERS:  The Company  has  recorded a $130.3  million  liability
associated with  investigation and remedial  obligations with respect to nine of
the Company's former  manufactured gas plants ("MGP").  Three of these MGP sites
are associated with Brooklyn  Union's  operations or its  predecessors;  six MGP
sites are associated with the operations of Brooklyn Union of Long Island or its
predecessors.  With respect to the former  Brooklyn  Union MGP sites, a total of
$48.3 million has been accrued  representing the best estimate of remedial costs
for one site and the minimum range of an estimate for the  investigation  and/or
remediation  of the other sites.  With respect to Brooklyn  Union of Long Island
MGP sites, a total of $82 million has been reserved as a minimum of an estimated
range of costs for the six sites which will be investigated/remediated  pursuant
to upcoming  Administrative  Orders on Consent ("ACO's") with the New York State
Department of Environmental  Conservation  ("DEC"). As the Company continues its
investigations and makes remedial decisions pursuant to its ACO obligations, the
environmental  conditions at each site will be clarified and the Company's total
remedial obligations are likely to be higher.

Under prior rate orders,  the NYPSC has allowed recovery of investigation  costs
related to certain  Brooklyn Union MGP sites.  Therefore,  at December 31, 1998,
the Company had reflected a total remaining  regulatory  asset of  approximately
$100.5 million.  The Company  believes that current rate plans in effect provide
for recovery of environmental costs.

NOTE 9. KSE AND SUBSIDIARIES

The following is the condensed  consolidated statement of income for KSE and its
subsidiaries  for the eight months  ended May 28, 1998.  As a result of purchase
accounting, such amounts have been excluded from the financial statements of the
Company  and are  disclosed  here  for  informational  purposes.  The  financial
statements for KSE's most recent fiscal year end were as of September 30, 1997.

                             KSE AND SUBSIDIARIES
                  CONDENSED CONSOLIDATED STATEMENT OF INCOME
                  FOR THE PERIOD OCTOBER 1, 1997 - MAY 28, 1998
                           (In Thousands of Dollars)


                                             Eight Months Ended
                                                   May 28, 1998
          -----------------------------------------------------
          Operating revenues                       $  1,173,052
          Operating expenses                          1,029,981
          Operating income                              143,071
          Other income                                    7,385
          Interest charges                               30,495
          -----------------------------------------------------
          Income available for common stock       $     119,961
          -----------------------------------------------------
          Earnings per share                   $           2.35
          -----------------------------------------------------



                                     42


<PAGE>
Consolidated  earnings  for the  eight  months  ended May 28,  1998 were  $120.0
million, or $2.35 per share. Core utility operations  contributed $136.7 million
or $2.68  per  share.  THEC  contributed  $12.5  million  or $0.24  per share to
earnings,  while Energy Related  Investments had a loss of $6.2 million or $0.12
per share and Energy Related Services showed a loss of $6.5 million or $0.13 per
share,  reflecting  the effect of various costs  related to market  development.
Utility results  reflected the favorable  effect of gas heating sales during the
prime  heating  months of November  through April when total annual gas revenues
are  substantially  realized.  Losses are  incurred  for the period May  through
September  and have not been  reflected in these  results.  In  addition,  $16.5
million or $0.32 per share of primarily merger related expenses were recorded by
KSE's   administrative  and  service  area  and  were  not  allocated  to  KSE's
subsidiaries.  Cash provided by operating  activities for the eight months ended
May 28, 1998 was $253.6  million and cash provided by financing  activities  was
$5.5  million.  For the eight  months  ended May 28, 1998 cash used in investing
activities  was $130.9  million and at May 28,  1998 KSE had cash and  temporary
cash investments of $165.2 million.

NOTE 10. BUSINESS SEGMENTS

SFAS No. 131,  "Disclosures  about Segments of an Enterprise and Related Company
Information,"  requires  the  reporting  of  certain  financial  information  by
business segments.  The Company has six reportable  segments:  Gas Distribution,
Electric Services,  Gas Exploration and Production,  Energy Related Investments,
Energy  Related  Services and Other.  The Gas  Distribution  reportable  segment
consists of the two gas distribution companies serving customers in the New York
City boroughs of Brooklyn, Staten Island and Queens and the Long Island counties
of Nassau and Suffolk.  The Electric  Services  reportable  segment  consists of
subsidiaries  that own and  operate  oil and gas fired  generating  plants,  and
through  long term  contracts,  manage the  electric  T&D  system,  the fuel and
electric  purchases,  and the off-system sales for LIPA. The Gas Exploration and
Production  reportable  segment,  consisting  of THEC, is engaged in gas and oil
exploration  and  production,  and the  development  and acquisition of domestic
natural gas and oil  properties.  Subsidiaries  included  in the Energy  Related
Investments segment have investments in natural gas pipelines, midstream natural
gas processing and gathering  facilities and gas storage facilities.  The Energy
Related Services segment consists of subsidiaries that primarily provide gas and
electric  marketing and related energy systems  installation,  appliance service
contracts and  management  services to customers  primarily in the New York City
metropolitan  area.  The  Other  reportable   segment   represents   unallocated
administrative expenses of the Company.

                                       43

<PAGE>

The accounting  policies of the segments are the same as those  described in the
summary of significant  accounting  policies.  The Company's reportable segments
are  strategic  business  units  that are  managed  separately  because of their
different  operating  and  regulatory   environments.   The  reportable  segment
information is as follows:


<TABLE>
<CAPTION>

                                                                    Energy       Energy
                         Gas         Electric    Gas Exploration     Related      Related                Reconciling
                     Distribution    Services    and Production    Investments    Services    Other      Eliminations   Consolidated
                     ---------------------------------------------------------------------------------------------------------------
9 MONTHS ENDED                                                                                             (IN THOUSANDS OF DOLLARS)
DECEMBER 31, 1998

<S>                     <C>           <C>             <C>          <C>          <C>        <C>            <C>              <C>
Revenues                  851,656       753,636        70,812         117        62,435       171,414        (188,218)     1,721,852

Depreciation and
amortization               57,351        45,900       177,114         216         1,117        13,166               -        294,864

Interest income                 -             -             -           -             -        49,200               -         49,200

Interest expense           60,678        69,953         3,870           -             -        58,682         (54,468)       138,715

Income (loss) before
special charges             8,582        57,119         2,218      (4,186)       (3,708)        2,959               -        62,984*

Loss from equity method
subsidiaries                    -             -             -      (5,842)            -             -               -        (5,842)

Total assets            3,919,311     1,456,094       569,454     428,746       116,940    12,151,745     (11,747,188)     6,895,102

Investment in equity
method subsidiaries             -             -             -     341,346             -             -               -        341,346

Capital expenditures      128,405        54,090       182,729     231,791        28,421        51,127               -        676,563

</TABLE>

          *Excludes special charges of $258.5 million  after-tax.  See Note 11 -
          Costs Related to the LIPA  Transaction  ges. and Special Charges.

          Electric  Services  revenues from LIPA, its only  customer,  of $408.3
          million  for the  nine  months  ended  December  31,  1998  represents
          approximately  24% of the Company's  consolidated  revenue during that
          period.

          Reconciling  items  include  intercompany  revenues  and  intercompany
          interest  expense  and  the  elimination  of  intercompany   ownership
          interests within the affiliated entities.

                                      44

<PAGE>


<TABLE>
<CAPTION>

                                                                  Energy       Energy
                         Gas        Electric   Gas Exploration    Related      Related                    Reconciling
                     Distribution   Services   and Production   Investments    Services       Other       Eliminations  Consolidated
                     ---------------------------------------------------------------------------------------------------------------
12 MONTHS ENDED                                                                                            (IN THOUSANDS OF DOLLARS)
MARCH 31, 1998

<S>                     <C>         <C>                     <C>         <C>           <C>           <C>             <C>   <C>
Revenues                  645,659     2,478,435             -           -             -             -               -      3,124,094

Depreciation and
amortization               38,584       131,186             -           -             -             -               -        169,770

Interest expense           52,409       352,064             -           -             -             -               -        404,473

Net income                 33,815       276,612             -           -             -             -               -        310,427

Total assets            1,444,745    10,455,980             -           -             -             -               -     11,900,725

Capital expenditures       78,897       218,333             -           -             -             -               -        297,230
</TABLE>

<TABLE>
<CAPTION>
                                                                        Energy       Energy
                         Gas        Electric       Gas Exploration     Related      Related               Reconciling
                     Distribution   Services        and Production    Investments    Services    Other    Eliminations  Consolidated
                     ---------------------------------------------------------------------------------------------------------------
3 MONTHS ENDED                                                                                             (IN THOUSANDS OF DOLLARS)
MARCH 31, 1997

<S>                     <C>          <C>                    <C>         <C>           <C>           <C>             <C>   <C>
Revenues                  293,391       557,791             -           -             -             -               -        851,182

Depreciation and
Amortization                7,827        31,993             -           -             -             -               -         39,820

Interest Expense           13,708        92,170             -           -             -             -               -        105,878

Net Income                 46,925        27,803             -           -             -             -               -         74,728

Total Assets            1,267,600    10,582,400             -           -             -             -               -     11,850,000

Capital Expenditures       15,804        46,675             -           -             -             -               -         62,479
</TABLE>


<TABLE>
<CAPTION>

                                                                      Energy       Energy
                         Gas            Electric   Gas Exploration     Related      Related              Reconciling
                     Distribution       Services   and Production    Investments    Services    Other    Eliminations   Consolidated
                     ---------------------------------------------------------------------------------------------------------------
12 MONTHS ENDED                                                                                            (IN THOUSANDS OF DOLLARS)
DECEMBER 31, 1996

<S>                    <C>          <C>                     <C>         <C>           <C>           <C>             <C>   <C>
Revenues                  684,260     2,466,435             -           -             -             -               -      3,150,695

Depreciation and
amortization               43,147       128,534             -           -             -             -               -        171,681

Interest expense           54,811       392,818             -           -             -             -               -        447,629

Net income                 38,471       225,777             -           -             -             -               -        264,248

Total assets            1,460,600    10,749,400             -           -             -             -               -     12,210,000

Capital expenditures       76,938       214,680             -           -             -             -               -        291,618
</TABLE>

                                      45

<PAGE>


NOTE 11. COSTS RELATED TO THE LIPA TRANSACTION AND SPECIAL CHARGES

Special  charges for the nine months ended December 31, 1998 were $258.5 million
after-tax.  These charges reflected,  in part,  non-recurring charges associated
with the LIPA  Transaction  of $107.9 million  after-tax.  Costs relating to the
LIPA Transaction  principally reflected taxes associated with the sale of assets
(the  "Transferred  Assets") to the Company by LIPA;  the  write-off  of certain
regulatory assets that were no longer recoverable under various LIPA agreements;
and other transaction  costs incurred to consummate the LIPA Transaction.  These
charges were offset,  in part, by tax benefits  relating to the deferred federal
income taxes necessary to account for the difference between the carryover basis
of the Transferred Assets for financial reporting purposes and the new increased
tax  basis  of the  assets,  and  tax  benefits  recognized  on the  funding  of
post-employment benefits for employees of the successor company.


Further,  the Company  incurred  charges  related to the KeySpan  Acquisition of
$83.5  million  after-tax.  These charges  reflected a $42.0  million  after-tax
charge for an early retirement program initiated by the Company in December 1998
in which approximately 600 employees participated, and a $41.5 million after-tax
charge for the write-off of a customer  billing system that was in  development.
Also, in December 1998, the Company made a $20.0 million donation ($13.0 million
after-tax) to establish the KeySpan Foundation,  a not-for-profit  philanthropic
foundation that will make donations to local charitable community organizations.

Special charges also reflected an after-tax  impairment charge of $54.1 million,
which represented the Company's share of the impairment charge,  recorded by the
Company's gas and oil exploration and production  subsidiary to reduce the value
of its proved gas reserves in accordance with the asset ceiling test limitations
of the  Securities and Exchange  Commission  applicable to gas  exploration  and
development operations accounted for under the full cost method.

NOTE 12. SUPPLEMENTAL DISCLOSURE OF KSE AND SUBSIDIARIES (UNAUDITED)

For the twelve  months ended  December  31, 1998 net income of the  consolidated
entities  comprising  KSE was $12.5 million  compared to $126.3  million for the
1997 corresponding period. Net income in 1998 was affected by rate reductions to
gas utility  customers;  significantly  warmer than  normal  weather  during the
period; certain special charges associated with the KeySpan Acquisition of $23.5
million  after-tax,  including  charges  associated  with the  early  retirement
program; and an impairment charge of $54.1 million after-tax to reduce the value
of proved gas reserves. Energy Related Investment earnings for the twelve months
ended December 31, 1997 reflected the sale of certain subsidiary  properties for
$15.2 million  after-tax.  Consolidated  net income  together with the effect of
special charges, is set forth in the following table:

KSE AND SUBSIDIARIES

                                Twelve Months       Twelve Months
Results of Operations               Ended               Ended
(In Thousands of Dollars)      December 31, 1998  December 31, 1997
- ------------------------------ ---------------- -----------------
Gas Distribution                        $99,406           $93,205
Gas Exploration and Production            8,995            15,774
Energy Related Investments               (6,098)           21,669
Energy Related Services                  (9,119)           (3,896)
Other                                    (3,136)             (487)
Income before special charges            90,048           126,265
Special charges                         (77,591)                -
- ------------------------------ ---------------- -----------------
Consolidated net income                 $12,457          $126,265
============================== ================ =================

Earnings from Gas  Distribution  operations for the twelve months ended December
31,  1998 were  impacted by synergy  savings-related  rate  reductions  of $23.9
million effective May 29, 1998.  Brooklyn Union core customers have received the
benefits of these reductions before actual savings


                                       46

<PAGE>




could be achieved.  Moreover,  in 1998 results  were  affected by  significantly
warmer  than  normal  weather.  Weather  was 18% warmer  than  normal in 1998 as
compared to normal  weather  experienced  in 1997. The effects of weather on Gas
Distribution   revenues  is  largely  mitigated  by  the  weather  normalization
adjustment  included  in  Brooklyn  Union's  tariff;  nevertheless,  significant
fluctuations  in normal  weather  will affect  revenues  collected  from heating
customers. The effects of the rate reduction and the significantly warmer winter
heating season reduced net revenues,  revenues less gas costs,  by $24.2 million
for the twelve months ended  December 31, 1998 as compared to the  corresponding
period last year.

The  aforementioned  variations  in net  revenues  were  totally  offset by cost
reduction measures and re-engineering  processes employed by KSE during the past
few years.  Further,  operation and maintenance expense was lower in 1998 due to
the exceptionally warm weather experienced. Earnings from gas utility operations
provided an equity return, including discrete incentives,  of 13.6% for the rate
year  ending  September  30,  1998 as compared to 13.5% for the rate year ending
September 30, 1997.

Earnings  from  Gas  Exploration  and  Production  activities  in 1998  and 1997
reflected the continued expansion of operations, primarily in Texas and the Gulf
of Mexico, by THEC.  Earnings in 1998, however,  were significantly  affected by
low gas production  prices.  Included in special  charges above, is an after-tax
charge of $54.1 million representing the Company's share of an impairment charge
recorded by THEC to reduce the value of its investment in proved gas reserves in
accordance  with the  asset  ceiling  test  limitations  of the  Securities  and
Exchange Commission.

Revenues from gas production activities increased in 1998 as compared to 1997 by
approximately  9% due  primarily  to the  continued  development  of  additional
natural  gas  properties  acquired  by THEC  during  the past three  years.  The
benefits  derived from  increased  production  levels,  however,  were partially
offset,  by decreases in average realized prices.  In 1998,  production was 62.8
billion cubic feet (BCFe), or 11.5 BCFe above the level of production last year.
In 1998,  wellhead  prices averaged $1.96 per MCF compared with $2.45 per MCF in
1997.  The  effective  price  realized  (average  wellhead  price  received  for
production  including  recognized hedging gains and losses) was $2.02 per MCF in
1998  compared  with  $2.25  per  MCF  in  1997.  Further,  operating  expenses,
including,  depreciation,  depletion  and  amortization  expense,  increased  by
approximately 30% for the year ended December 31, 1998 as compared with the year
ended December 31, 1997 due primarily to increased production activity.

Earnings from the Energy Related  Investments  segment  consists of results from
the  Company's  20%  interest  in the  Iroquois  Gas  Transmission  System  LP ,
investments in The Premier Transco  Pipeline and Phoenix Natural Gas in Northern
Ireland and investments in midstream  natural gas assets in Western Canada owned
jointly with Gulf Canada Resources Limited. Results from these investments,  for
the year  ended  December  31,  1998,  reflected  the  start-up  nature of their
operations,  while  results  relating  to the  investment  in the  Iroquois  Gas
Transmission  System  for  1998  and  1997  were  consistent  with  management's
expectations  and  reflected  after-tax  earnings of $6.5  million.  The Company
completed its acquisition of midstream natural gas assets in Western Canada in



                                       47
<PAGE>




December  1998, and therefore,  earnings from this  investment  will begin to be
realized in fiscal year 1999.  Results also  reflected  costs to settle  certain
contracts  associated  with  the  sale of the  Company's  domestic  cogeneration
investments and fuel management  operations,  which took place in 1997. Earnings
in 1997 primarily reflected the sale of certain Canadian properties and the sale
of domestic cogeneration investments and fuel management operations.

Subsidiaries  comprising the Energy Related Services segment incurred losses for
the past two years reflecting the start-up nature of their operations.  Included
in this business  segment are operations  which market gas and  electricity  and
arrange  transportation  and  related  services,  largely  to retail  customers,
including  those  served by the  Company's  gas  distribution  subsidiaries.  In
addition,  these  subsidiaries  provide a variety of technical  and  maintenance
services to customers  that operate  commercial  and  industrial  facilities and
provide  appliance repair service to residential  customers,  all located within
the New York City metropolitan  area. During the past two years, the Company has
acquired  an  engineering   firm,  and  major  heating,   ventilation   and  air
conditioning contractors and has integrated these operations into its strategies
for future growth.

Results from the Other segment reflected certain costs associated with corporate
and  administrative  functions  that  were not  allocated  to  various  business
segments.

                                       48

<PAGE>




NOTE 13.  DISAGGREGATED CONDENSED BALANCE SHEET (UNAUDITED)

Set forth below is LILCO's  condensed  balanced sheet at May 28, 1998, which has
been  disaggregated to reflect the effects of the LIPA Transaction.  The assets,
capitalization and liabilities  attributable to KeySpan  subsidiaries  represent
LILCO's transfer of its gas and generation business to KeySpan subsidiaries. The
assets,  capitalization  and  liabilities  attributable  to LIPA represent those
items that have been  acquired  or assumed by LIPA  through its  acquisition  of
LILCO's  common  stock.  All such amounts  exclude the proceeds from the sale of
common stock to LIPA. For a further discussion of the LIPA Transaction, see Note
2, "Sale of LILCO Assets, Acquisition of KeySpan Energy Corporation and Transfer
of Assets and Liabilities to the Company."

<TABLE>
<CAPTION>

                                                            (In Millions of Dollars)
- ------------------------------------------------------------------------------------
                                                    Allocation of Assets/Liabilities
                                                    --------------------------------
                                                         KeySpan
                                         LILCO        Subsidiaries       LIPA
- ------------------------------------------------------------------------------------
ASSETS
<S>                                     <C>            <C>              <C>
Total net utility plant                 $   3,853.6    $     1,798.0    $   2,055.6
- ------------------------------------------------------------------------------------
Regulatory assets
  Shoreham related                           4,692.4             -          4,692.4
  Regulatory tax asset                       1,660.9             -          1,660.9
  Other                                        681.4           445.9          235.5
- ------------------------------------------------------------------------------------
Total regulatory assets                      7,034.7           445.9        6,588.8
Nonutility property and other investments       52.1            33.1           19.0
Current assets                               1,083.1           397.0          686.1
Deferred charges                                87.2            33.2           54.0
- ------------------------------------------------------------------------------------
Total assets                            $   12,110.7   $     2,707.     $   9,403.5
====================================================================================

CAPITALIZATION AND LIABILITIES
Capitalization
  Long-term debt, including current
       maturities                       $    4,383.1   $        24.4    $    4,358.7
  Promissory notes                               -           1,047.9       (1,047.9)
  Preferred stock, including current           659.6           438.0          221.6
       maturities
  Common shareholders' equity           $    2,682.6           181.8        2,500.8
- ------------------------------------------------------------------------------------
Total capitalization                         7,725.3         1,692.1        6,033.2
Regulatory liabilities                         380.7            68.4          312.3
Current liabilities                          1,103.8           752.3          351.5
Deferred credits                             2,708.7             1.5        2,707.2
Operating reserves                             192.2           192.9          ( 0.7)
- ------------------------------------------------------------------------------------
Total capitalization and liabilities    $   12,110.7   $     2,707.2    $   9,403.5
====================================================================================
</TABLE>

                                       49

<PAGE>

Note 14.  Supplemental Gas and Oil Disclosures (Unaudited)

This  information  includes amounts  attributable to a 36% minority  interest in
THEC at December 31, 1998 and a 34% minority  interest in 1997 and 1996. Gas and
oil operations, and reserves, were predominantly located in the United States in
all years.
<TABLE>
<CAPTION>


CAPITALIZED COSTS RELATING TO GAS AND OIL PRODUCING ACTIVITIES
- -----------------------------------------------------------------------------------------------------------
At December 31,                                                                    1998                1997
- -----------------------------------------------------------------------------------------------------------
                                                                      (In Thousands of Dollars)
<S>                                                                            <C>                 <C>
Unproved properties not being amortized                                        $145,317            $104,075
Properties being amortized - productive and nonproductive                       828,168             566,868
- -----------------------------------------------------------------------------------------------------------
Total capitalized costs                                                         973,485             670,943
Accumulated depletion                                                          (438,974)           (229,776)
- -----------------------------------------------------------------------------------------------------------
  Net capitalized costs                                                        $534,511            $441,167
- -----------------------------------------------------------------------------------------------------------
</TABLE>

The  following is a break-out of the costs (in  thousands of dollars)  which are
excluded from the  amortization  calculation as of December 31, 1998, by year of
acquisition: 1998 - $68,931 1997 - $34,259 and prior years $42,127 . The Company
cannot accurately  predict when these costs will be included in the amortization
base, but it is expected that these costs will be evaluated within the next five
years.
<TABLE>
<CAPTION>

COSTS INCURRED IN PROPERTY ACQUISITION, EXPLORATION AND DEVELOPMENT ACTIVITIES
- ---------------------------------------------------------------------------------------------------
Year Ended December 31,                              1998                 1997                1996
- ---------------------------------------------------------------------------------------------------
                                     (In Thousands of Dollars)
<S>                                              <C>                 <C>                  <C>
Acquisition of properties-
  Unproved properties                             $33,803              $16,613             $23,317
  Proved properties                               162,083               24,007              94,774
Exploration                                        55,611               44,119              27,398
Development                                        51,046               59,244              31,243
- ---------------------------------------------------------------------------------------------------
Total costs incurred                             $302,543             $143,983            $176,732
- ---------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>

RESULTS OF OPERATIONS FROM GAS AND OIL PRODUCING ACTIVITIES
- -----------------------------------------------------------------------------------------------------------
Year Ended December 31,                                      1998                 1997                1996
- -----------------------------------------------------------------------------------------------------------
                                             (In Thousands of Dollars)
<S>                                                      <C>                  <C>                  <C>
Revenues from gas and oil
  producing activities-
Sales to unaffiliated parties                            $127,124             $116,349             $64,864
- ----------------------------------------------------------------------------------------------------------
Revenues                                                  127,124              116,349              64,864
- ----------------------------------------------------------------------------------------------------------
Production and lifting costs                               21,166               18,379              12,201
Depletion                                                 209,838               59,081              33,732
- ----------------------------------------------------------------------------------------------------------
Total expenses                                            231,004               77,460              45,933
- ----------------------------------------------------------------------------------------------------------
Income before taxes                                      (103,880)              38,889              18,931
Income taxes                                              (37,410)              12,397               5,192
- ----------------------------------------------------------------------------------------------------------
Results of gas and oil producing
  activities (excluding corporate
  overhead and interest costs)                           ($66,470)             $26,492             $13,739
- ----------------------------------------------------------------------------------------------------------
</TABLE>


                                       50

<PAGE>


NOTE 14.  SUPPLEMENTAL GAS AND OIL DISCLOSURES (CONTINUED)


The gas and oil reserves  information  is based on estimates of proved  reserves
attributable  to  THEC's  interest  as of  December  31 for  each  of the  years
presented.  These estimates  principally were prepared by independent  petroleum
consultants.  Proved reserves are estimated  quantities of natural gas and crude
oil which geological and engineering data demonstrate with reasonable  certainty
to be recoverable in future years from known reservoirs under existing  economic
and operating conditions.


The  standardized  measure of  discounted  future net cash flows was prepared by
applying year-end prices of gas and oil to the proved reserves, except for those
reserves devoted to future  production that is hedged.  Such reserves are priced
at their respective hedged amounts.  The standardized  measure does not purport,
nor should it be  interpreted,  to present  the fair value of THEC's gas and oil
reserves.  An estimate of fair value would also take into  account,  among other
things, the recovery of reserves not presently classified as proved, anticipated
future changes in prices and costs and a discount factor more  representative of
the time value of money and the risks inherent in reserve estimates.


<TABLE>
<CAPTION>

Reserve Quantity Information
Natural Gas (MMcf)
At December 31,                                                       1998                1997                   1996
- ---------------                                                       ----                ----                   ----
<S>                                                                <C>                 <C>                    <C>
Proved reserves-
  Beginning of year                                                330,601             320,474                195,946
  Revisions of previous estimates                                   (4,656)            (18,743)                (8,665)
  Extensions and discoveries                                        67,272              75,651                 21,445
  Production                                                       (61,479)            (50,310)               (31,215)
  Purchases of reserves in place                                   139,994               3,778                143,688
  Sales of reserves in place                                        (1,285)               (249)                  (725)
Proved reserves-
  End of year                                                      470,447             330,601                320,474
Proved developed reserves-
  Beginning of year                                                256,632             236,544                162,784
  End of year                                                      369,931             256,632                236,544

</TABLE>
<TABLE>
<CAPTION>

Crude Oil, Condensate and Natural Gas Liquids (MBbls)
At December 31,                                                       1998                1997                   1996
- ---------------                                                       ----                ----                   ----
<S>                                                                  <C>                 <C>                    <C>
Proved reserves-
  beginning of year                                                  1,077               1,131                    889
  Revisions of previous estimates                                     (105)                (62)                  (157)
  Extensions and discoveries                                           249                 184                    198
  Production                                                          (225)               (171)                  (118)
  Purchases of reserves in place                                       665                   1                    361
  Sales of reserves in place                                           (11)                 (6)                   (42)
Proved reserves-
  end of year                                                        1,650               1,077                  1,131
Proved developed reserves-
  Beginning of year                                                    914               1,013                    774
  End of year                                                        1,498                 914                  1,013
</TABLE>



                                       51

<PAGE>



Note 14.  Supplemental Gas and Oil Disclosures (continued)
<TABLE>
<CAPTION>

Standardized Measure of Discounted Future Net Cash Flows Relating to
Proved Gas and Oil Reserves
At December 31,                                                       1998                1997
- ---------------                                                       ----                ----
                                                                      (In Thousands of Dollars)
<S>                                                               <C>                 <C>
Future cash flows                                                 $878,448            $781,336
Future costs-
  Production                                                      (153,567)           (135,437)
  Development                                                     (103,915)            (84,658)
Future net inflows
  before income tax                                                620,966             561,241
Future income taxes                                                (89,032)           (124,510)
Future net cash flows                                              531,934             436,731
10% discount factor                                               (135,874)           (121,351)
Standardized measure of
  discounted future net
  cash flows                                                      $396,060            $315,380
</TABLE>
<TABLE>
<CAPTION>




Changes in Standardized Measure of Discounted Future Net Cash Flows from
Proved Reserve Quantities
Year Ended December 31,                                               1998                1997                   1996
- -----------------------                                               ----                ----                   ----
                                                                      (In Thousands of Dollars)
<S>                                                               <C>                 <C>                    <C>
Standardized measure -
  beginning of year                                               $315,380            $452,582               $171,459
Sales and transfers, net of
  production costs                                                (105,958)            (97,968)               (52,663)
Net change in sales and
  transfer prices, net of
  production costs                                                (104,137)           (223,169)               145,385
Extensions and discoveries and
  improved recovery, net of
  related costs                                                     72,333             114,893                 46,616
Changes in estimated future
  development costs                                                 (6,656)            (20,499)               (14,068)
Development costs incurred
  during the period that reduced
  future development costs                                          15,891              16,154                 19,594
Revisions of quantity estimates                                     (4,982)            (23,156)               (19,132)
Accretion of discount                                               37,706              57,700                 20,652
Net change in income taxes                                          44,812              62,733                (89,353)
Net purchases of reserves in place                                 155,259               1,855                250,990
Changes in production rates
  (timing) and other                                               (23,588)            (25,745)               (26,898)
Standardized measure -
  end of year                                                     $396,060            $315,380               $452,582
</TABLE>


                                       52

<PAGE>

Note 14.  Supplemental Gas and Oil Disclosures (continued)


<TABLE>
<CAPTION>


AVERAGE SALES PRICES AND PRODUCTION COSTS PER UNIT
- ------------------------------------------------------------------------------------------------------------------------------
Year Ended December 31,                                                          1998                1997              1996
- ------------------------------------------------------------------------------------------------------------------------------
<S>                                                                             <C>                 <C>               <C>
    Natural gas ($/MCF)                                                          1.96                2.45              2.35

    Oil, condensate and natural gas liquid ($/Bbl)                              12.18               18.33             21.53

    Production cost per equivalent MCF ($)                                       0.26                0.28              0.34
- ------------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>

ACREAGE
- ------------------------------------------------------------------------------------------------------------------------------
At December 31, 1998                                                                                Gross               Net
- ------------------------------------------------------------------------------------------------------------------------------
    <S>                                                                                           <C>               <C>
    Producing                                                                                     297,360           197,902
    Undeveloped                                                                                   317,049           282,822
- ------------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>

NUMBER OF PRODUCING WELLS
- ------------------------------------------------------------------------------------------------------------------------------
At December 31, 1998                                                                                Gross               Net
- ------------------------------------------------------------------------------------------------------------------------------
    <S>                                                                                             <C>                 <C>
    Gas wells                                                                                       1,239               803
    Oil wells                                                                                           8                 3
- ------------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>

DRILLING ACTIVITY (Net)
- ------------------------------------------------------------------------------------------------------------------------------
Year Ended December 31,                             1998                         1997                         1996
- ------------------------------------------------------------------------------------------------------------------------------
                                       Producing     Dry   Total   Producing      Dry   Total   Producing      Dry    Total
- ------------------------------------------------------------------------------------------------------------------------------
    <S>                                     <C>      <C>    <C>         <C>       <C>    <C>          <C>      <C>      <C>
    Net developmental wells                 19.2     4.6    23.8        29.3      8.5    37.8         7.0      1.0      8.0
    Net exploratory wells                    1.6     4.2     5.8         3.8      2.9     6.7         4.3      4.4      8.7
- ------------------------------------------------------------------------------------------------------------------------------
</TABLE>

<TABLE>


WELLS IN PROCESS
- ------------------------------------------------------------------------------------------------------------------------------
At December 31, 1998                                                                                Gross               Net
- ------------------------------------------------------------------------------------------------------------------------------
    <S>                                                                                               <C>               <C>
    Exploratory                                                                                       2.0               0.7
    Developmental                                                                                     3.0               0.6

</TABLE>

   *Represents  the cash price  received which excludes the effect of any
    hedging transactions.


NOTE 15. KEYSPAN GAS EAST CORPORATION SUMMARY FINANCIAL DATA

KeySpan Gas East  Corporation  d/b/a Brooklyn Union of Long Island,  is a wholly
owned subsidiary of KeySpan  Corporation.  KeySpan Gas East was formed on May 7,
1998 and on May 28, 1998 acquired substantially all of the assets related to the
gas distribution  business of LILCO  immediately  prior to the LIPA Transaction.
KeySpan Gas East  provides  gas  distribution  services to customers in the Long
Island  counties  of Nassau and  Suffolk and the  Rockaway  peninsula  of Queens
county.  KeySpan Gas East is proposing to issue  securities  which will be fully
and unconditionally guaranteed by its parent, KeySpan Corporation.

Prior to the LIPA  Transaction,  the gas  distribution  operations of LILCO were
included as part of its gas and  electric  operations.  The  summarized  balance
sheet information for gas operations presented herein at March 31, 1998 has been
derived from LILCO's  balance sheet as of that date.  Certain of LILCO's balance
sheet accounts were recorded in its books and records as directly related to its
gas operations and include the following:  gas utility plant, regulatory assets,
non-utility  property,  gas in  storage,  materials  and  supplies,  and accrued
unbilled revenues.  These assets represented  approximately 85% of the total gas
operations assets.

The  following  major  balance  sheet  accounts  common to both  LILCO's gas and
electric operations as of March 31, 1998 have been allocated/determined based on
the following:

Customer Accounts Receivable
Customer  accounts  receivable  were  based  upon  the  percentage  of  revenues
generated  by the  gas  distribution  operations  as  compared  to the  combined
revenues of both the gas and electric  operations  for the previous  three month
period.

Common Utility Plant
Common utility plant was based upon an annual study of the utilization of common
facilities by the gas and electric operations of LILCO.

Capitalization
Capitalization  was  based  upon an  allocation  using  gas  utility  plant as a
percentage  of  total  utility  plant,   (including   certain  electric  related
regulatory assets), adjusted for appropriate deferred federal income taxes.

Accounts Payable and Accrued Expenses
Certain  payables  and accrued  expenses  were based on specific  identification
where  appropriate,  such as purchased  gas costs,  and  materials  and supplies
associated with gas operations.  Employee  related  payables,  such as, employee
welfare  expenses and accrued  vacation were allocated to gas  operations  based
upon an  analysis of direct  labor costs  associated  with gas  operations  as a
percentage of total labor costs.  Certain  miscellaneous  accrued  expenses were
allocated to gas operations  utilizing an administrative  and general allocation
methodology, which was based on plant, revenues and payroll.

Operating Reserves
Operating  reserves,  specifically  other  postretirement  benefits and employee
benefits,  and workers  compensation were based upon an analysis of direct labor
costs  associated  with gas  operations  as a  percentage  of total labor costs.
Environmental  reserves  associated  with  investigation  and remediation of MGP
sites formerly owned by LILCO were directly related to gas operations.

Prior to the LIPA Transaction, certain of LILCO's income statement accounts were
recorded  in its books and records as  directly  related to its gas  operations.
These items  include:  revenues,  purchased gas costs,  certain  operations  and
maintenance ("O&M") expenses,  depreciation of gas utility plant, revenue taxes,
certain other income and deductions, and federal income taxes.

Certain  income and expense  accounts  common to both  LILCO's gas and  electric
operations prior to the LIPA Transaction have been allocated/determined based on
the following  basis,  which is consistent with the methodology  utilized by the
NYPSC to establish rates:

Common O&M Expenses, Operating Taxes (excluding revenue taxes) and Miscellaneous
Income and  Deductions
Based  upon  methodologies  employing:  number of active
meters; revenues;  utility plant; and labor associated with gas operations, as a
percentage of total operations.

Interest  Income,  Interest  Expense and Preferred  Stock Dividend  Requirements
These  amounts were  allocated  based upon gas utility  plant as a percentage of
total utility plant,  (including  certain electric related  regulatory  assets),
adjusted for appropriate deferred federal income taxes.

Depreciation on Common Plant
Based upon an annual study of the  utilization  of common  facilities by the gas
and electric operations of LILCO.

The Company believes that the basis of allocation described above is reasonable.
Reported  results of  operations  and the  financial  position  of  LILCO's  gas
operations  may have been  different  if such  operations  were  conducted  as a
separate  subsidiary of LILCO,  rather than as part of a combined integrated gas
and electric company.


                                       53

<PAGE>



Certain common assets which were previously part of LILCO's  operations prior to
May 28, 1998 have been transferred to other subsidiaries of KeySpan (e.g. common
plant,  inventory,  etc. ). Income and expenses related to these assets prior to
May 28, 1998 have been allocated in the accompanying  summarized financial data.
After May 28, 1998,  KeySpan Gas East has been charged by  affiliated  companies
for the use of these assets,  resulting in an operating  expense of $7.2 million
for the nine months ended December 31, 1998.

The following represents summarized financial data for KeySpan Gas East.

<TABLE>
<CAPTION>

                                             (IN THOUSANDS OF DOLLARS)

                               December 31, 1998       March 31, 1998
- -------------------------- ---------------------   --------------------
<S>                                    <C>                  <C>
Total current assets                     256,186              216,051
Total noncurrent assets                1,330,661            1,264,281
Total current liabilities                505,784              173,476
Total noncurrent liabilities
including long-term debt                 467,736              881,554
Net Assets (1)                           613,327              425,302
- -------------------------- ---------------------   --------------------
</TABLE>

<TABLE>
<CAPTION>


                                                     (IN THOUSANDS OF DOLLARS)

                  Nine Months Ended    12 Months Ended  Three Months Ended   12 Months Ended
                  December 31, 1998    March 31, 1998   March 31, 1997       December 31, 1996
- ----------------- ----------------     --------------   ----------------     ---------------
<S>                        <C>            <C>              <C>                 <C>
Revenues                   356,634        645,659          293,391             684,260
Operating Income (2)        24,854        122,651           88,784             124,368
Net (Loss) Income          (11,891)        40,558           48,605              44,960
- ----------------- ----------------     --------------   ----------------     ---------------
</TABLE>

(1)   Net Assets reflect total assets less current and  noncurrent  liabilities.
      Intercompany  accounts  receivable  are  included  in  current  assets and
      long-term  intercompany  accounts  payable  are  included  in  non-current
      liabilities.
(2)   Operating  income  reflects  revenues  less  cost  of  gas  and  operating
      expenses.  Operating expenses include the following  expenses:  operations
      and  maintenance,  depreciation  and  amortization  and  operating  taxes.
      Further,  for the nine months  ended  December 31, 1998  operating  income
      includes  before-tax charges of $8.7 million reflecting KeySpan Gas East's
      portion of an early retirement program implemented by the parent.

                                       54

<PAGE>


REPORT OF ARTHUR ANDERSEN LLP, INDEPENDENT PUBLIC ACCOUNTANTS

To the  Shareholders  and Board of Directors  of  MarketSpan  Corporation  d/b/a
   KeySpan Energy:

We have audited the  accompanying  Consolidated  Balance Sheet and  Consolidated
Statement of Capitalization  of MarketSpan  Corporation (a New York corporation)
and subsidiaries as of December 31, 1998 and the related Consolidated Statements
of Income,  Retained  Earnings and Cash Flows for the nine months ended December
31, 1998.  These financial  statements are the  responsibility  of the Company's
management.  Our  responsibility  is to express  an  opinion on these  financial
statements based on our audit.

We conducted our audit in accordance with generally accepted auditing standards.
Those standards  require that we plan and perform the audit to obtain reasonable
assurance   about  whether  the  financial   statements  are  free  of  material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audit provides a reasonable basis for our opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all material  respects,  the financial position and capitalization of MarketSpan
Corporation  and  subsidiaries  as of December 31, 1998 and the results of their
operations  and their cash flows for the nine months ended December 31, 1998, in
conformity with generally accepted accounting principles.

Our  audits  were  made for the  purpose  of  forming  an  opinion  on the basic
consolidated  financial statements taken as a whole. The schedule listed in Item
14 is the  responsibility  of the Company's  management and is presented for the
purpose of complying with the Securities and Exchange  Commission's rules and is
not part of the basic consolidated financial statements.  This schedule has been
subjected  to the  auditing  procedures  applied  in  the  audits  of the  basic
consolidated  financial  statements  and, in our opinion,  fairly  states in all
material  respects  the  financial  data  required  to be set forth  therein  in
relation to the basic consolidated financial statements taken as a whole.



ARTHUR ANDERSEN LLP




February 12, 1999
New York, New York




<PAGE>



REPORT OF ERNST & YOUNG LLP, INDEPENDENT PUBLIC ACCOUNTANTS

To the Shareholders and Board of Directors of Long Island Lighting Company:

We have audited the  accompanying  Balance Sheet of Long Island Lighting Company
and the related Statement of Capitalization as of March 31, 1998 and the related
Statements  of Income,  Retained  Earnings and Cash Flows for the twelve  months
ended March 31,  1998,  the three months ended March 31, 1997 and the year ended
December 31, 1996.  Our audits also  included the financial  statement  schedule
listed in the index at Item 14(a).  These financial  statements and schedule are
the responsibility of the Company's management. Our responsibility is to express
an opinion on these financial statements and schedule based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all material respects, the financial position of Long Island Lighting Company at
March 31,  1998 and the  results  of its  operations  and its cash flows for the
twelve  months ended March 31,  1998,  the three months ended March 31, 1997 and
the year  ended  December  31,  1996,  in  conformity  with  generally  accepted
accounting  principles.  Also, in our opinion,  the related financial  statement
schedule, when considered in relation to the basic financial statements taken as
a whole,  presents  fairly in all material  respects the  information  set forth
therein.

During  the year  ended  March  31,  1998 the  Company  changed  its  method  of
accounting for revenues provided for under the Rate Moderation Component.


ERNST & YOUNG LLP




May 22, 1998
Melville, New York





<TABLE>
<CAPTION>
                             CONDENSED CONSOLIDATED BALANCE SHEET
                                  (IN THOUSANDS OF DOLLARS)

                                                         September    30,      December    31,
                                                         1999                  1998
                                                         -----------------     ----------------

                                                         (Unaudited)           (Audited)
ASSETS

CURRENT ASSETS
<S>                                                  <C>                   <C>
    Cash and temporary cash investments              $   129,899           $   942,776
    Customer accounts receivable                         174,865               320,836
    Other accounts receivable                            200,519               230,479
    Allowance for uncollectible accounts                 (23,300)              (20,026)
    Special deposits                                     90,634                145,684
    Gas in storage, at average cost                      163,318               145,277
    Materials and supplies, at average cost              74,948                74,193
    Other                                                182,096               72,818
                                                         -----------------     ----------------

                                                         992,979               1,912,037
                                                         -----------------     ----------------


EQUITY INVESTMENTS                                       325,929               289,193
                                                         -----------------     ----------------

PROPERTY
    Electric                                             1,337,563             1,109,199
    Gas                                                  3,373,802             3,257,726
    Other                                                368,235               345,007
    Accumulated depreciation                             (1,563,592)           (1,480,038)
    Gas exploration and production, at cost              1,096,583             994,104
    Accumulated depletion                                (500,154)             (447,733)
                                                         -----------------     ----------------

                                                         4,112,437             3,778,265
                                                         -----------------     ----------------


DEFERRED CHARGES
    Regulatory assets                                    313,837               279,524
    Goodwill                                             251,023               254,040
    Other                                                361,675               382,043
                                                         -----------------     ----------------

                                                         926,535               915,607
                                                         -----------------     ----------------

TOTAL ASSETS                                         $   6,357,880         $   6,895,102
                                                         =================     ================
</TABLE>
   See accompanying notes to the Condensed Consolidated Financial Statements.
                                       55

<PAGE>





<TABLE>
<CAPTION>

                             CONDENSED CONSOLIDATED BALANCE SHEET
                                  (IN THOUSANDS OF DOLLARS)


                                                         September 30,         December 31,
                                                         1999                  1998
                                                         -----------------     ----------------
                                                         (Unaudited)           (Audited)
LIABILITIES AND CAPITALIZATION
CURRENT LIABILITIES
<S>                                                  <C>                   <C>
    Current maturities of long-term debt             $   1,000            $    398,000
    Current redemption of preferred stock                363,000               -
    Accounts payable and accrued expenses                451,845               519,288
    Notes payable                                        103,950               -
    Dividends payable                                    61,461                66,232
    Taxes accrued                                        6,079                 69,742
    Customer deposits                                    32,021                29,774
    Interest accrued                                     8,918                 19,965
                                                         -----------------     ----------------
                                                         1,028,274             1,103,001
                                                         -----------------     ----------------

DEFERRED CREDITS AND OTHER LIABILITIES
    Regulatory liabilities                               29,129                27,854
    Deferred federal income tax                          197,978               71,549
    Operating reserves                                   494,681               457,459
    Other                                                82,815                75,740
                                                         -----------------     ----------------
                                                         804,603               632,602
                                                         -----------------     ----------------

CAPITALIZATION
    Common stock, $.01 par value, authorized
      450,000,000 shares; outstanding 134,214,473
       and 144,628,654 shares stated at                  2,973,388             2,973,388
    Retained Earnings                                    438,896               474,188
    Accumulated foreign currency adjustment              2,502                 (952)
    Treasury stock purchased                             (712,888)             (423,716)
                                                         -----------------     ----------------
      Total common equity                                2,701,898             3,022,908
    Preferred stock                                      84,359                 447,973
    Long-term debt                                       1,663,040             1,619,067
                                                         -----------------     ----------------
TOTAL CAPITALIZATION                                     4,449,297             5,089,948
                                                         -----------------     ----------------

MINORITY INTEREST IN SUBSIDIARY COMPANY                  75,706                69,551
                                                         -----------------     ----------------
TOTAL LIABILITIES AND CAPITALIZATION                 $   6,357,880         $   6,895,102
                                                         =================     ================
</TABLE>

   See accompanying notes to the Condensed Consolidated Financial Statements.

                                       56
<PAGE>


<TABLE>
<CAPTION>

                          CONDENSED CONSOLIDATED STATEMENT OF INCOME
                                         (Unaudited)
                     (IN THOUSANDS OF DOLLARS, EXCEPT PER SHARE AMOUNTS)

                                                         Three Months Ended           Nine Months Ended
                                                           September 30,                 September 30,
                                                        1999         1998             1999          1998
                                                        ---------    ----------       ----------    ---------
REVENUES
<S>                                                 <C>           <C>              <C>           <C>
Gas Distribution                                    $   208,572   $  203,241       $  1,208,254  $  629,516
Gas Exploration and Production                          42,081       30,545           103,622       42,258
Electric Services                                       241,259      176,358          606,552       244,723
Electric Distribution                                   -            -                -             885,693
Energy Related Services                                 46,557       24,437           124,675       30,823
                                                        ---------    ----------       ----------    ---------
Total Revenues                                          538,469      434,581          2,043,103     1,833,013
                                                        ---------    ----------       ----------    ---------
OPERATING EXPENSES
Purchased gas                                           62,560       56,305           470,633       247,895
Fuel and purchased power                                 -           -                -             257,786
Operations and maintenance                              298,679      259,895          793,197       581,474
Depreciation, depletion and amortization                63,130       59,202           180,698       147,401
Electric regulatory amortizations                       -            -                -             (79,875)
Operating taxes                                         77,317       77,824           258,355       292,704
                                                        ---------    ----------       ----------    ---------
Total Operating Expenses                                501,686      453,226          1,702,883     1,447,385
                                                        ---------    ----------       ----------    ---------
OPERATING INCOME                                        36,783       (18,645)         340,220       385,628
                                                        ---------    ----------       ----------    ---------
OTHER INCOME AND (DEDUCTIONS)
Income from equity investments                          4,268        3,315            9,749         3,108
Interest income                                         1,884       24,769           20,673        41,378
Minority interest                                       (3,035)       (750)          (5,226)    4   (1,318)
Other                                                   1,317          450            3,183          7,837
                                                        ---------    ----------       ----------    ---------
Total Other Income                                      4,434        27,824           28,379        51,005
                                                        ---------    ----------       ----------    ---------
INCOME BEFORE INTEREST CHARGES AND INCOME TAXES         41,217       9,179            368,599       436,633
                                                        ---------    ----------       ----------    ---------
INTEREST CHARGES                                        26,661       30,945           95,001        207,797
                                                        ---------    ----------       ----------    ---------
INCOME TAXES
Current                                                 (23,111)     (9,853)          (14,886)      133,904
Deferred                                                28,651       5,743            113,258       (40,601)
                                                        ---------    ----------       ----------    ---------
Total Income Taxes                                      5,540        (4,110)          98,372        93,303
                                                        ---------    ----------       ----------    ---------
NET INCOME                                              9,016        (17,656)         175,226       135,533
Preferred stock dividend requirements                   8,688        8,694            26,067        32,857
                                                        ---------    ----------       ----------    ---------
EARNINGS FOR COMMON STOCK                           $   328       $  (26,350)      $  149,159    $  102,676
Foreign Currency Adjustment                             (2,281)      860              3,454         (569)
                                                        =========    ==========       ==========    =========
COMPREHENSIVE INCOME                                $   (1,953)   $  (25,490)      $  152,613    $  102,107
                                                        =========    ==========       ==========    =========
AVERAGE COMMON SHARES OUTSTANDING (000)                 136,506      157,328          140,079       137,720
BASIC AND DILUTED EARNINGS PER COMMON SHARE         $   0.00      $  (0.17)        $  1.06       $  0.75
                                                        =========    ==========       ==========    =========
</TABLE>
   See accompanying notes to the Condensed Consolidated Financial Statements.
                                       57

<PAGE>

<TABLE>
<CAPTION>


                        CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS
                                         (Unaudited)
                                  (IN THOUSANDS OF DOLLARS)

                                                  THREE          Three            NINE
                                                  MONTHS         Months           MONTHS        Nine Months
                                                  ENDED          Ended            ENDED         Ended
                                                  SEPTEMBER      September        SEPTEMBER     September
                                                  30, 1999       30, 1998         30, 1999      30, 1998
                                                  -------------  -------------    ------------  -------------
OPERATING ACTIVITIES
<S>                                               <C>            <C>              <C>           <C>
Net Income                                        $  9,016       $  (17,656)      $ 175,226     $  135,533
ADJUSTMENTS TO RECONCILE NET INCOME TO NET CASH
PROVIDED BY (USED IN) OPERATING ACTIVITIES
Depreciation, depletion and amortization
Electric regulatory amortizations                    63,130         59,202          180,698        147,401
Deferred income tax                                  -              -                 -            (79,875)
Income from equity investments                       28,651         5,743           113,258        (40,601)
Dividends from equity investments                    (4,268)        (3,315)         (9,749)        (3,108)
CHANGES IN ASSETS AND LIABILITIES                    2,079          2,078           6,375          2,078
Accounts receivable
Materials and supplies, fuel oil and gas in          9,141          58,973          155,538        141,068
storage                                              (67,249)       (52,244)        (18,997)       14,614
Accounts payable and accrued expenses                17,207         17,973          (143,858)      (71,679)
Interest accrued                                     (6,403)        (20,741)        (11,050)       35,565
Special deposits                                     17,743         (101,311)       55,050         (63,723)
Pensions and other post retirement benefits          -               -              -              (283,774)
Other                                                (25,911)       (75,546)        (59,437)       (173,344)
                                                     -----------    ----------      -----------    ----------
Net Cash Provided by (Used in) Operating
Activities                                           43,136         (126,844)       443,054        (239,845)
                                                     -----------    ----------      -----------    ----------
INVESTING ACTIVITIES
Capital expenditures                                 (138,307)      (114,153)       (512,257)      (270,088)
Net cash from KeySpan Acquisition                    -              -               -              165,168
Net proceeds from LIPA Transaction                   -              -               -              2,314,588
Other                                                21,222         (4,098)         10,015         (21,777)
                                                     -----------    ----------      -----------    ----------
Net Cash (Used in) Provided by Investing
Activities                                           (117,085)      (118,251)       (502,242)      2,187,891
                                                     -----------    ----------      -----------    ----------
FINANCING ACTIVITIES
Proceeds from sale of common stock                   -              6,536           -              17,604
Treasury stock purchased                             (166,440)      (101,483)       (289,172)      (101,483)
Issuance of preferred stock                          -              -               -              75,000
Notes payable                                        103,950        -               103,950        -
Issuance of long-term debt                           25,523         3,000           40,523         3,000
Payment of long-term debt                            -              -               (397,000)      (100,000)
Preferred stock dividends paid                       (8,688)        (8,682)         (26,067)       (34,555)
Common stock dividends paid                          (57,692)       (69,081)        (185,375)      (213,466)
Other                                                (100)          32              (548)          (17,265)
                                                     -----------    ----------      -----------    ----------
Net Cash (Used in) Financing Activities              (103,447)      (169,678)       (753,689)      (371,165)
                                                     -----------    ----------      -----------    ----------
Net (Decrease) or Increase in Cash and Cash
Equivalents                                          (177,396)      (414,773)       (812,877)      1,576,881
                                                     ===========    ==========      ===========    ==========
Cash and cash equivalents at beginning of period      307,295        2,171,649       942,776        179,995
Net (Decrease or Increase in cash and cash
equivalents                                       $  (177,396)   $  (414,773)     $ (812,877)   $  1,576,881
                                                     -----------    ----------      -----------    ----------
Cash and Cash Equivalents at End of Period        $  129,899     $  1,756,876     $ 129,899     $  1,756,876
                                                     ===========    ==========      ===========    ==========

</TABLE>

   See accompanying notes to the Condensed Consolidated Financial Statements.

                                       58
<PAGE>






                     NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS


1. ORGANIZATION OF THE COMPANY

     KeySpan  Corporation,  d/b/a  KeySpan  Energy (the  "Company"),  a New York
     corporation, is the successor to Long Island Lighting Company ("LILCO"), as
     a  result  of  the  transaction   with  the  Long  Island  Power  Authority
     ("LIPA")and   following  the  acquisition  of  KeySpan  Energy  Corporation
     ("KSE"). The Company is a "predominately intrastate" public utility holding
     company exempt from most of the  provisions of the Public  Utility  Holding
     Company Act of 1935, as amended.

     On May 28,  1998,  the Company  completed  two business  combinations  as a
     result of which it (i) became the  successor  operator  of the  non-nuclear
     electric  generating  facilities,  gas  distribution  operations and common
     plant formerly owned by LILCO and entered into long-term service agreements
     to operate  the  electric  transmission  and  distribution  ("T&D")  system
     acquired  by LIPA (the "LIPA  Transaction");  and (ii)  acquired  KSE,  the
     parent  company of The Brooklyn  Union Gas Company  ("Brooklyn  Union")(the
     "KeySpan Acquisition").

     With the  exception  of a small  portion of Queens  County,  the  Company's
     subsidiaries are the only providers of gas distribution services in the New
     York City  counties  of Kings,  Richmond  and  Queens  and the Long  Island
     counties of Nassau and Suffolk.  Brooklyn Union  provides gas  distribution
     services to customers in the New York City boroughs of Brooklyn, Queens and
     Staten  Island,  and KeySpan Gas East  Corporation  d/b/a Brooklyn Union of
     Long  Island  ("Brooklyn  Union of Long  Island"),  a  Company  subsidiary,
     provides gas distribution services to customers in the Long Island counties
     of Nassau and Suffolk and the Rockaway Peninsula of Queens County.

     In addition,  Company subsidiaries operate the electric T&D system owned by
     LIPA,  own and  sell  capacity  and  energy  to  LIPA  from  the  Company's
     generating  facilities  located on Long Island and manage fuel supplies for
     LIPA to fuel  the  Company's  Long  Island  generating  facilities  through
     long-term  service  contracts  that  range  from  eight to  fifteen  years.
     Moreover,  Company  subsidiaries  own, lease and operate the 2,168 megawatt
     Ravenswood electric generation facility, ("Ravenswood Facility") located in
     Long  Island  City,  Queens.  (See  Note 10  "Contractual  Obligations  and
     Contingencies"  for a description  of the  Ravenswood  transaction.)

     Other  Company  subsidiaries  are involved in gas and oil  exploration  and
     production;  wholesale  and retail gas and electric  marketing;  appliance,
     heating,  ventilation and air conditioning  services;  large  energy-system
     ownership,   installation  and  management;   and  electric  infrastructure
     construction. Further, certain subsidiaries have investments in natural gas
     pipelines and gas distribution facilities; midstream natural gas processing
     and  gathering  facilities  and gas storage  facilities,  domestically  and
     internationally.   (See  Note  9   "Business   Segments"   for   additional
     information.)


2. BASIS OF PRESENTATION

     The financial statements presented herein reflect the results of operations
     of the  consolidated  Company for the three and nine months ended September
     30, 1999,  as well as for the three months ended  September  30, 1998.  For
     financial  reporting  purposes,  LILCO  is  deemed  the  acquiring  company
     pursuant to a purchase  accounting  transaction  in which KSE was acquired.
     Consequently, the financial statements presented herein for the nine months
     ended  September  30,  1998  reflect  the  results  of  operations  of  the
     consolidated  Company from May 29, 1998 through September 30, 1998. Periods
     prior to May 29, 1998, (i.e.,  January 1, 1998 through May 28, 1998)reflect
     results of  operations  of LILCO  only.  Since the  acquisition  of KSE was
     accounted for as a purchase,  purchase  accounting  adjustments,  including
     goodwill, have been reflected in the financial statements included herein.

     In the  opinion  of  the  Company,  the  accompanying  unaudited  Condensed
     Consolidated  Financial  Statements  contain all  adjustments  necessary to
     present  fairly the  financial  position of the Company as of September 30,
     1999,  and the results of its  operations  and cash flows for the three and
     nine months ended  September 30, 1999 and 1998.  Certain  reclassifications
     were made to conform  prior period  financial  statements  with the current
     period financial statement presentation.  Other than as noted,  adjustments
     were of a normal, recurring nature.


3. REVENUES

     The Gas  Distribution  segment of the  Company is  influenced  by  seasonal
     weather conditions.  Annual gas revenues are substantially  realized during
     the  heating  season  (November  1 to April  30) as a result  of the  large
     proportion of heating  sales,  primarily  residential,  compared with total
     sales.  Accordingly,  results of operations for gas distribution operations
     historically  are most  favorable  in the three months ended March 31, with
     results of operations  being next most  favorable in the three months ended
     December  31.  Results  for  the  quarter  ended  June  30  are  marginally
     profitable  or  unprofitable,  and losses  are  generally  incurred  in the
     quarter ended September 30.

     The Company's gas  distribution  subsidiaries  each operate under a utility
     tariff  that  contains  a weather  normalization  adjustment  that  largely
     offsets  shortfalls or excesses of firm net revenues  (i.e.,  revenues less
     gas costs and revenue taxes) during a heating season due to variations from
     normal weather.

     Electric  Services  revenues  are  derived  from  billings  to LIPA for the
     management  and operation of LIPA's T&D system,  electric  generation,  and
     fuel management. (For a description of the various services agreements with
     LIPA,  see the  Company's  Annual  Report on Form  10-K for the  transition
     period  ended  December  31,  1998.) In addition,  electric  revenues  also
     include  revenues  from the  Ravenswood  Facility  from  June  18,  1999 to
     September  30,  1999.  Revenues  from  electric  generation  generally  are
     unaffected by weather  variations  since  virtually all costs of production
     are  recovered in fixed fee billings to LIPA and Con Edison,  the Company's
     electric generation customers.

     Prior to the LIPA  Transaction,  electric  revenues were comprised of cycle
     billings rendered to residential,  commercial and industrial  customers and
     the accrual of electric  revenues  for services  rendered to customers  not
     billed at month-end.  In addition,  LILCO's rate  structure  provided for a
     revenue reconciliation mechanism which eliminated the impact on earnings of
     electric sales that were above or below the levels reflected in rates.


4.   GAS EXPLORATION AND PRODUCTION

     The Houston  Exploration  Company  ("THEC"),  a 64% owned subsidiary of the
     Company which is engaged in gas and oil exploration  and  production,  uses
     the full cost method of  accounting  for its  investment in natural gas and
     oil  properties.  Under the full cost  method of  accounting,  all costs of
     acquisition,  exploration  and  development of natural gas and oil reserves
     are  capitalized  into  a  "full  cost  pool".  To  the  extent  that  such
     capitalized   costs  (net  of  accumulated   depreciation,   depletion  and
     amortization)  less deferred  taxes,  exceed the present value (using a 10%
     discount  rate) of estimated  future net cash flows from proved natural gas
     and  oil  reserves  and  the  lower  of cost  or  fair  value  of  unproved
     properties, such excess costs are charged to operations.

     As of September 30, 1999, THEC estimates, using prices in effect as of such
     date, that the ceiling  limitation imposed under full cost accounting rules
     exceeded actual capitalized costs.


5.   GOODWILL

     At September 30, 1999,  the Company had recorded  goodwill in the amount of
     $251.0 million,  representing  the excess of acquisition cost over the fair
     value  of  net  assets  acquired   related  to  its  purchases  of  certain
     investments,  including $165.2 million, net of accumulated  amortization of
     $5.7 million, relating to the KeySpan Acquisition.
     Goodwill is being amortized over 15 to 40 years.


6. ENVIRONMENTAL MATTERS

     The  Company has  recorded a  liability  of  approximately  $125.2  million
     associated with  investigation and remedial  obligations with respect to 14
     of the Company's former manufactured gas plant ("MGP")sites, three of which
     are designated as "Class II Sites." Three MGP sites (one Class II Site) are
     associated with Brooklyn  Union's  operations or its  predecessors;  11 MGP
     sites are  associated  with the operations of Brooklyn Union of Long Island
     or its predecessors  (two of which are designated as Class II Sites).  With
     respect to the Brooklyn  Union MGP sites, a total of $47.3 million has been
     accrued,  representing  the best  estimate of remedial  costs for two sites
     that are subject to Administrative Orders on Consent ("AOC's") with the New
     York State Department of Environmental Conservation ("DEC") and the minimum
     range of an estimate  for the  investigation  and/or  remediation  of other
     sites.  Discussions  with the DEC are ongoing with regards to investigation
     of other sites.  With respect to Brooklyn Union of Long Island MGP sites, a
     total of $77.9 million has been accrued as a minimum of an estimated  range
     of costs for the 11 sites that will be  investigated/remediated.  Two AOC's
     were  executed  on March 31,  1999 for  Brooklyn  Union of Long  Island MGP
     sites.  One AOC addressed two MGP sites classified as Class II Sites on the
     State registry of inactive  hazardous waste sites.  The other AOC addressed
     four other MGP sites.  Both AOC's generally  require Brooklyn Union of Long
     Island to  investigate  the condition of each site and conduct  remediation
     activities depending on the results of the investigation. Brooklyn Union of
     Long Island also has entered into an AOC with the DEC requiring the Company
     to conduct preliminary site assessments for the five other former MGP sites
     that are no longer owned by the Company.

     Under prior rate orders,  the Public Service Commission of the State of New
     York  ("NYPSC") has allowed  recovery of costs related to certain  Brooklyn
     Union MGP sites.  At September 30, 1999, the Company has a total  remaining
     regulatory asset of approximately  $100 million.  The Company believes that
     current rate plans in effect for both Gas Distribution subsidiaries provide
     for recovery of  environmental  costs  attributable to the Gas Distribution
     segment.


7. REGULATORY ASSETS AND LIABILITIES

     The  Company's  regulated  subsidiaries  are subject to the  provisions  of
     Statement of Financial  Accounting  Standards  ("SFAS") No. 71, "Accounting
     for the Effects of Certain Types of  Regulation".  Regulatory  assets arise
     from the allocation of costs and revenues to accounting periods for utility
     ratemaking   purposes   differently   from  bases   generally   applied  by
     nonregulated companies. Regulatory assets and liabilities are recognized in
     accordance with SFAS-71.

     The Company's  regulatory assets of $313.8 million are primarily  comprised
     of regulatory tax assets,  costs  associated with the KeySpan  Acquisition,
     certain    environmental    remediation   and   investigation   costs   and
     postretirement  benefits other than pensions. In the opinion of management,
     regulatory assets are fully recoverable in rates.

     In the event that the provisions of SFAS-71 were no longer applicable,  the
     Company  estimates  that the related  write-off  of net  regulatory  assets
     (regulatory assets less regulatory liabilities) could result in a charge to
     net income of  approximately  $185.1 million,  or  approximately  $1.36 per
     share of common stock, which would be classified as an extraordinary item.

                                       60

<PAGE>



8. EXTINGUISHMENT OF LONG-TERM DEBT AND FINANCING

     In June 1999, the Company  extinguished  its obligation  under a promissory
     note to LIPA  relating  to the  7.30%  Debentures  due July 15,  1999.  The
     Company's  obligation for these  debentures of $411.5 million  consisted of
     the  principal  amount of $397.0  million  and $14.5  million  of  interest
     accrued and unpaid.

     At September 30, 1999,  the Company had available  unsecured  bank lines of
     credit of $300 million.  Borrowings were made during the month of September
     1999.  The average  outstanding  daily  balance  during the month was $40.2
     million at a weighted  average  annualized  rate of 5.52%. At September 30,
     1999, the Company had $103.9 million in short-term  borrowings  outstanding
     at a weighted average annualized rate of 5.83%.


9. BUSINESS SEGMENTS

     The Company has six reportable segments: Gas Distribution,  Gas Exploration
     and  Production,  Electric  Services,  Energy Related  Investments,  Energy
     Related Services and Other.

     The Gas Distribution  segment consists of Brooklyn Union and Brooklyn Union
     of Long Island, providers of gas distribution services in the New York City
     counties  of Kings,  Richmond  and Queens and the Long  Island  counties of
     Nassau and Suffolk.

     The Gas  Exploration  and  Production  segment  is  engaged  in gas and oil
     exploration and production, and the development and acquisition of domestic
     natural gas and oil  properties.  This  segment  consists of our 64% equity
     interest in THEC, an independent  natural gas and oil exploration  company,
     as well as  KeySpan  Exploration  and  Production  LLC,  our  wholly  owned
     subsidiary  engaged in a joint venture with THEC.  The Company is currently
     reviewing its strategic  alternatives  for THEC, which may include the sale
     of all or a portion of THEC. (See  Management's  Discussion and Analysis of
     Financial Condition and Results of Operations,  "Capital  Requirements" for
     further information.)

     The Electric Services segment consists of subsidiaries that own and operate
     oil and gas fired generating plants in Queens and Long Island,  and through
     long-term contracts,  manage the electric T&D system, the fuel and electric
     purchases,  and the  off-system  electric  sales for LIPA.  In  addition  a
     subsidiary  provides  services in electric  infrastructure  construction to
     Company affiliates and to third parties.

     Subsidiaries in the Energy Related Investments segment include a 20% equity
     interest in the Iroquois Gas Transmission  System LP; a 50% interest in the
     Premier Transco  Pipeline and a 24.5% interest in Phoenix Natural Gas, both
     in Northern  Ireland;  and  investments  in certain  midstream  natural gas
     assets in Western Canada owned jointly with Gulf Canada Resources  Limited,
     through the Gulf Midstream Services Partnership ("GMS"). These subsidiaries
     are accounted  for under the equity  method since the  Company's  ownership
     interests  are  50%  or  less.   Accordingly,   equity  income  from  these
     investments is reflected in Other Income and  (Deductions) in the Condensed
     Consolidated Income Statement.

     The Company's Energy Related Services  segment  primarily  includes KeySpan
     Energy  Management  Inc.  ("KEM"),  KeySpan Energy  Services Inc.  ("KES"),
     KeySpan   Communications   Corporation,   KeySpan  Energy  Solutions,   LLC
     ("KESol"),   Fritze  KeySpan,  LLC  ("Fritze"),   and  Delta  KeySpan  Inc.
     ("Delta").  KEM owns, designs and/or operates energy systems for commercial
     and industrial  customers and provides  energy-related  services to clients
     located primarily within the New York City  metropolitan  area. KES markets
     gas and  electricity,  and arranges  transportation  and related  services,
     largely to retail  customers,  including  those served by the Company's two
     gas distribution  subsidiaries.  KeySpan Communications  Corporation owns a
     300-mile  fiber optic  network on Long Island and in New York City.  KESol,
     Fritze and Delta provide various  appliance,  heating,  ventilation and air
     conditioning  services to customers within the Company's service territory,
     New Jersey and Rhode Island.  KESol was  established in April 1998,  Fritze
     was acquired in November 1998 and Delta was acquired in September 1999.

     The Other segment primarily represents unallocated  administrative expenses
     of the Company, preferred stock dividends, and earnings from the investment
     of cash proceeds from the LIPA Transaction.

     The accounting  policies of the segments are the same as those used for the
     preparation  of  the  Condensed  Consolidated  Financial  Statements.   The
     Company's segments are strategic business units that are managed separately
     because  of their  different  operating  and  regulatory  environments.  At
     September 30, 1999,  the total assets of certain  reportable  segments have
     increased  from levels  reported at December  31, 1998 as follows:  the Gas
     Exploration and Production  segment's assets increased by $14.5 million due
     to our formation of and  investment in KeySpan  Exploration  and Production
     LLC; the Electric Services segment's assets increased by $230.0 million due
     to the  acquisition  of the Ravenswood  Facility (see Note 10  "Contractual
     Obligations and Contingencies"  for more details),  and $4.9 million due to
     the  formation  of  KeySpan   Energy   Construction;   the  Energy  Related
     Investments   segment's  assets  increased  by  $7.4  million  due  to  the
     acquisition by GMS of 37% of Paddle River Gas Plant;  and the assets of the
     Energy  Related  Services  segment  increased  by $21.2  million due to the
     acquisition  of  Delta   Mechanical  of  New  England,   Inc.,  a  heating,
     ventilation and air conditioning company in Rhode Island. (See Management's
     Discussion  and Analysis of Financial  Condition and Results of Operations,
     "Capital  Requirements" for further information on these acquisitions.) The
     segment  information  presented  below  reflects  amounts  reported  in the
     Condensed Consolidated Financial Statements, excluding special charges, for
     the three and nine months ended September 30, 1999 and 1998.

                                       61

<PAGE>
<TABLE>
<CAPTION>
Three Months Ended September 30, 1999                                                                  (In Thousands of Dollars)
- ------------------------------------------------------------------------------------------------------------------------------------
                    Gas           Gas Exploration  Electric Services Energy Related     Energy Related
                    Distribution  and Production                     Investments        Services          Other        Total
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>           <C>                <C>             <C>               <C>               <C>       <C>
Revenue             $208,572      $  42,081          $241,259        $        -        $    46,557       $    -    $  538,469
- ------------------------------------------------------------------------------------------------------------------------------------
Cost of Gas         62,560                -                 -                 -                  -            -        62,560

Operations
and
Maintenance         106,101       7,532               131,403             1,276             45,325        7,042       298,679

Depreciation
Depletion
&
Amortization        24,630        18,644               12,395               196               993         6,272        63,130

Operating Taxes     41,168           107               36,724                 -                 -          (682)       77,317

Intercompany
Billings            2,748              -               11,345                 -                 -       (14,093)            -
- ------------------------------------------------------------------------------------------------------------------------------------

Total Expense    $237,207        $26,283             $191,867            $1,472           $46,318       $(1,461)     $501,686
- ------------------------------------------------------------------------------------------------------------------------------------

Operating Income $(28,635)       $15,798             $ 49,392           $(1,472)          $   239       $ 1,461      $ 36,783
- ------------------------------------------------------------------------------------------------------------------------------------

Earnings
for
Common Stock     $(29,037)       $ 5,435             $ 28,164           $ 2,651           $   286       $(7,171)      $   328
- ------------------------------------------------------------------------------------------------------------------------------------
Basic and
Diluted
EPS              $  (0.21)       $  0.04            $    0.21           $  0.02           $  0.00        $(0.06)      $  0.00
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
Three Months Ended September 30, 1998                                                               (In Thousands of Dollars)
- ------------------------------------------------------------------------------------------------------------------------------------
                    Gas           Gas Exploration  Electric Services Energy Related     Energy Related
                    Distribution  and Production                     Investments        Services          Other        Total
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>           <C>              <C>               <C>                <C>               <C>         <C>
Revenue             $203,241      $   30,545       $  176,358        $       89         $   24,348        $   -       $ 434,581
- ------------------------------------------------------------------------------------------------------------------------------------
Cost of Gas         56,305              -                -                 -                  -                 -       56,305

Operations
and
Maintenance         101,939            6,994          111,712             1,396         $   23,938          13,916     259,895

Depreciation
Depletion
&
Amortization         23,647           19,759            9,824               108                426           5,438      59,202

Operating Taxes      38,779              171           30,243                 1                349           8,281      77,824

Intercompany
Billings                581                -           12,955                 -                  -         (13,536)         -
- ------------------------------------------------------------------------------------------------------------------------------------
Total Expense      $221,251          $26,924         $164,734            $1,505            $24,713         $14,099    $453,226
- ------------------------------------------------------------------------------------------------------------------------------------
Operating Income   $(18,010)         $ 3,621         $ 11,624           $(1,416)           $  (365)        $(14,099)  $(18,645)
- ------------------------------------------------------------------------------------------------------------------------------------

Earnings
for
Common Stock       $(26,842)         $ 1,315         $  4,380           $ 1,174             $   77         $ (2,639)  $(22,535)(a)
- ------------------------------------------------------------------------------------------------------------------------------------

Basic and
Diluted
EPS                $  (0.17)         $ 0.01          $   0.03           $  0.01             $  0.00        $  (0.03)  $  (0.15)(a)
- ------------------------------------------------------------------------------------------------------------------------------------
(a) Excludes $3.8 million or $0.02 per diluted share of  non-recurring charges (net of tax) associated with the LIPA Transaction.

</TABLE>


                                       62
<PAGE>

<TABLE>
<CAPTION>
Nine Months Ended September 30, 1999                                                                     (In Thousands of Dollars)
- ------------------------------------------------------------------------------------------------------------------------------------
                    Gas           Gas Exploration  Electric Services Energy Related     Energy Related
                    Distribution  and Production                     Investments        Services          Other         Total
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>           <C>              <C>               <C>               <C>               <C>          <C>
Revenue             $1,208,254    $   103,622      $ 606,552         $         -       $ 124,675         $    -       $2,043,103
- ------------------------------------------------------------------------------------------------------------------------------------
Cost of Gas            470,633             -               -                   -               -              -          470,633

Operations
and
Maintenance            299,700         19,817        334,690           3,945             125,880           9,165         793,197

Depreciation
Depletion
&
Amortization            73,235         53,673         32,660             814               2,465          17,851         180,698

Operating Taxes        159,457            253         94,162               8                   3           4,472         258,355

Intercompany
Billings                 6,664              -         32,388               -                   -         (39,052)              -
- ------------------------------------------------------------------------------------------------------------------------------------

Total Expense       $1,009,689        $73,743       $493,900          $4,767             $128,348        $(7,564)      $1,702,883
- ------------------------------------------------------------------------------------------------------------------------------------

Operating Income    $  198,565        $29,879       $112,652          $(4,767)           $ (3,673)       $ 7,564       $  340,220
- ------------------------------------------------------------------------------------------------------------------------------------

Earnings
for
Common Stock        $   92,873        $ 9,239       $ 59,786          $ 5,401            $ (1,408)       $16,732)      $  149,159
- ------------------------------------------------------------------------------------------------------------------------------------

Basic and
Diluted
EPS                 $     0.66        $  0.07          $0.43          $  0.04            $  (0.01)       $ (0.13)       $    1.06
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>
<TABLE>
<CAPTION>
Nine Months Ended September 30, 1998                                                                   (In Thousands of Dollars)
- ------------------------------------------------------------------------------------------------------------------------------------
                    Gas           Gas Exploration  Electric Services Energy Related     Energy Related
                    Distribution  and Production                     Investments        Services          Other        Total
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>            <C>               <C>               <C>              <C>              <C>         <C>
Revenue             $ 629,516      $   42,258        $1,130,416        $      117       $   30,706       $      -    $1,833,013
- ------------------------------------------------------------------------------------------------------------------------------------

Cost of Gas           247,895              -                 -                  -                -              -       247,895

Fuel and Purchased
Power                       -              -           257,786                  -                -              -       257,786

Operations
and
Maintenance           196,824          9,132           326,173              1,996           30,639         16,710       581,474

Depreciation
Depletion
&
Amortization           43,169         26,540           69,548                 108              588          7,448       147,401

Electric
Regulatory
Amortization                -             -           (79,875)                  -                -              -       (79,875)

Operating Taxes        89,160           216           193,451                   1              517          9,359        292,704

Intercompany
Billings                4,075             -            14,127                   -                -        (18,202)             -
- ------------------------------------------------------------------------------------------------------------------------------------

Total Expense        $581,123       $35,888          $781,210              $2,105          $31,744        $15,315     $1,447,385
- ------------------------------------------------------------------------------------------------------------------------------------

Operating Income      $48,393        $6,370          $349,206             $(1,988)         $(1,038)       $(15,315)   $ 385,628
- ------------------------------------------------------------------------------------------------------------------------------------

Earnings
for
Common Stock         $(3,680)       $2,343           $118,984             $1,222           $  (240)      $  (5,688)   $ 112,941(a)
- ------------------------------------------------------------------------------------------------------------------------------------

Basic and
Diluted
EPS                  $(0.03)       $  0.02             $0.86             $ 0.01              $0.00       $   (0.04)   $  0.82(a)
- ------------------------------------------------------------------------------------------------------------------------------------
(a) Excludes $10.3 million or $0.07 per diluted share of non-recurring charges (net of tax)  associated with the LIPA Transaction.
</TABLE>

                                       62
<PAGE>


10.  CONTRACTUAL OBLIGATIONS AND CONTINGENCIES

       The Company acquired the 2,168 megawatt  Ravenswood  electric  generating
       facility located in Long Island City,  Queens, New York from Consolidated
       Edison  Company  of New  York,  Inc.  ("Con  Ed"),  on June  18 1999  for
       approximately $597 million.

       As a means of  financing  this  acquisition,  the Company  entered into a
       lease agreement with a special  purpose,  unaffiliated  financing  entity
       that  acquired a portion of the facility  directly from Con Ed and leased
       it to a subsidiary of the Company under a ten year lease. The Company has
       guaranteed  all payment and  performance  obligations  of its  subsidiary
       under  the  lease.   Another  subsidiary  of  the  Company  provides  all
       operating,  maintenance and construction  services for the facility.  The
       lease  program  was  established  in order  for the  Company  to  finance
       approximately  $425 million of the acquisition cost of the facility.  The
       lease  qualifies as an operating lease for financial  reporting  purposes
       while preserving the Company's  ownership of the facility for federal and
       state income tax purposes. The balance of the funds needed to acquire the
       facility were provided from cash on hand.

       The Company will be responsible for environmental obligations relating to
       facility  operations  other than  liabilities  arising  from  pre-closing
       disposal of waste at off-site  locations  and any monetary  fines arising
       from  Con  Ed's  pre-closing  conduct.  Based  on  information  currently
       available  for  environmental  contingencies  related  to the  Ravenswood
       acquisition,  the Company has accrued $5 million as the minimum liability
       to be incurred.

       The Company intends to seek regulatory approvals to expand the Ravenswood
       Facility  through  the   installation  of  a  gas-fired   combined  cycle
       generation unit with a capacity of approximately 250 megawatts that would
       increase  electric  generation  capacity  at the  plant  by 12%.  The new
       capacity  could be  operational  by 2002  depending  upon the  timing  of
       regulatory approvals.


                                       63


<PAGE>



11.    ACQUISITION OF EASTERN ENTERPRISES

       On November 4, 1999,  The  Company  and Eastern  Enterprises  ("Eastern")
       announced  that the companies have signed a definitive  merger  agreement
       under which the Company  will  acquire all of the common stock of Eastern
       for $64.00 per share in cash.  This  represents a premium of 24% over the
       Eastern  closing  price of $51.56 on November 3, 1999,  and a 45% premium
       over the average of the last 90-day  trading  period.  The  Agreement and
       Plan of Merger was filed as an exhibit to the Company's Form 8-K filed on
       November 5, 1999.

       The  transaction  has a total value of  approximately  $2.5 billion ($1.7
       billion in equity and $0.8 billion in assumed debt and preferred  stock).
       The transaction  will be accounted for as a purchase.  The increased size
       and scope of the combined organization should enable the combined company
       to provide enhanced, cost-effective customer service and to capitalize on
       the above-average  growth  opportunities for natural gas in the Northeast
       and provide additional resources to the Company's unregulated businesses.
       The combined companies will serve 2.4 million customers.

       It is  anticipated  that the  combined  company  will have assets of $8.8
       billion,  $4.3  billion in  revenues,  and EBITDA of  approximately  $950
       million.  The  Company  expects  pre-tax  annual  cost  savings  will  be
       approximately  $30 million.  These cost savings result primarily from the
       elimination of duplicate corporate and administrative  programs,  greater
       efficiencies  in  operations  and  business   processes,   and  increased
       purchasing efficiencies. The Company expects to achieve reductions due to
       the merger  through a variety of  programs  which  would  include  hiring
       freezes,  attrition and separation programs.  All union contracts will be
       honored.

       The Company  expects to raise $1.7 billion of initial  financing  for the
       transaction in short term markets which will  ultimately be replaced with
       long term financing.  Going forward, the Company will actively manage its
       balance sheet to maintain strong  investment grade ratings at each of its
       rated entities.

       The Company anticipates  continuing its current annual dividend of $1.78.
       Eastern will continue to pay its dividend at the annual rate of $1.72.

       Upon  completion  of the  transaction  Mr.  Robert B.  Catell will remain
       chairman  and  CEO of the  combined  company  and  Mr.  J.  Atwood  Ives,
       currently chairman and CEO of Eastern, will retire from active management
       at Eastern and will join the Company's board of directors.  The Company's
       corporate  headquarters  will  remain in New York and a  headquarters  in
       Boston will serve the New England operations.

       The merger is  conditioned,  among  other  things,  upon the  approval of
       Eastern shareholders,  the Securities and Exchange Commission and the New
       Hampshire  Public Utility  Commission.  The Company  anticipates that the
       transaction can be completed in 9 to 12 months but is unable to determine
       when or if all required approvals will be obtained.

       In connection with the merger,  Eastern has amended its merger  agreement
       with  EnergyNorth,  Inc.  ("EnergyNorth")  to  provide  for an  all  cash
       acquisition  of  EnergyNorth  shares at a price per share of $61.13.  The
       restructured  EnergyNorth  merger is expected to close  contemporaneously
       with the KeySpan/Eastern Enterprises transaction.

     Following the  announcement  that the Company has entered into an agreement
     to purchase Eastern  Enterprises,  Standard & Poor's Rating Services placed
     the  Company's  and  certain  of its  subsidiaries',  as well as  Eastern's
     corporate credit, senior unsecured debt, and preferred stock on CreditWatch
     with  negative  implications.  Similarly,  Moody's  Investors  Service also
     placed the Company's and certain of its subsidiaries', as well as Eastern's
     corporate  credit,  senior  unsecured debt,  commercial paper and preferred
     stock on review for possible downgrade.

       Eastern  Enterprises  owns and operates Boston Gas Company,  Colonial Gas
       Company,  Essex  Gas  Company,   Midland  Enterprises  Inc.  ("Midland"),
       Transgas Inc. ("Transgas"),  and ServicEdge Partners, Inc. ("ServicEdge")
       Upon  completion of the pending merger with  EnergyNorth,  Inc.,  Eastern
       will serve over 800,000  natural gas customers in  Massachusetts  and New
       Hampshire.  Midland,  headquartered  in Cincinnati,  Ohio, is the leading
       carrier  of coal and a major  carrier  of other dry bulk  cargoes  on the
       nation's inland waterways. Transgas is the nation's largest over-the-road
       transporter  of  liquefied   natural  gas.   ServicEdge  is  the  largest
       unregulated  provider of  residential  HVAC  equipment  installation  and
       service to customers in Massachusetts.



12.    NEW FINANCIAL ACCOUNTING STANDARDS

       In June 1999, the Financial  Accounting  Standards  Board ("FASB") issued
       SFAS  No.  137,  "Accounting  for  Derivative   Instruments  and  Hedging
       Activities  - Deferral of the  Effective  Date of SFAS No. 133." SFAS No.
       137 defers the effective date of SFAS No. 133 from fiscal years beginning
       after July 15, 1999 to fiscal years  beginning  after July 15, 2000.  The
       Company will therefore, adopt SFAS No. 133 in the first quarter of fiscal
       year 2001.  SFAS No. 133 establishes  accounting and reporting  standards
       for derivative  instruments and for hedging activities.  It requires that
       an entity  recognize all  derivatives  as either assets or liabilities in
       the statement of financial position and measure those instruments at fair
       value.  The Company  does not expect any  material  earnings  effect from
       adoption of this statement.

NOTE 13. KEYSPAN GAS EAST CORPORATION SUMMARY FINANCIAL DATA

KeySpan Gas East  Corporation  d/b/a Brooklyn Union of Long Island,  is a wholly
owned subsidiary of KeySpan Corporation. KeySpan Gas East acquired substantially
all of the assets related to the gas distribution  business of LILCO immediately
prior to the  LIPA  Transaction.  KeySpan  Gas East  provides  gas  distribution
services to customers in the Long Island  counties of Nassau and Suffolk and the
Rockaway  peninsula  of Queens  county.  KeySpan Gas East is  proposing to issue
securities  which will be fully and  unconditionally  guaranteed  by its parent,
KeySpan Corporation.

The following represents summarized financial data for KeySpan Gas East.

                                             (IN THOUSANDS OF DOLLARS)

                            September 30, 1999     December 31, 1998
- -------------------------- --------------------- --------------------
Total current assets                     214,147              256,186
Total noncurrent assets                1,338,952            1,330,661
Total current liabilities                514,803              505,784
Total noncurrent liabilities
    including long-term debt             399,388              467,736
Net Assets (1)                           638,908              613,327
- -------------------------- --------------------- --------------------


                          (IN THOUSANDS OF DOLLARS)

                     Nine Months     Nine Months
                        Ended           Ended
                    September 30,   September 30,
                        1999          1998 (2)
- ------------------ --------------- ---------------
Revenues                   441,228         448,426
Operating Income (3)        76,241          78,671
Net Income                  25,578          26,339
- ------------------ --------------- ---------------

(1)  Net Assets  reflect total assets less current and  noncurrent  liabilities.
     Intercompany  accounts  receivable  are  included  in  current  assets  and
     long-term   intercompany  accounts  payable  are  included  in  non-current
     liabilities.

(2)  For the period  January 1, 1998  through May 28, 1998 (the period  prior to
     the LIPA  Transaction),  certain income and expense  items,  common to both
     LILCO's gas and electric operations, were allocated to its gas and electric
     operations  consistent  with  the  methodology  utilized  by the  NYPSC  to
     establish rates.

(3)   Operating  income is defined as  revenues  less cost of gas and  operating
      expenses.  Operating expenses include the following  expenses:  operations
      and maintenance, depreciation and amortization and operating taxes.


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