LONG ISLAND LIGHTING CO
8-K, 1997-12-31
ELECTRIC & OTHER SERVICES COMBINED
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                     SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 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 reported):
                               December 31, 1997



                         LONG ISLAND LIGHTING COMPANY
              (Exact name of registrant as specified in charter)
         New York                1-3571                   11-1019782
(State of Incorporation)   (Commission File No.)          (I.R.S.Employer
                                                          Identification
                                                          No.)

            175 East Old Country Road, Hicksville, New York  11801
                                 516-755-6650
         (Address and telephone number of Principal Executive Offices)




<PAGE>




Item 5.     Other Events

The Company is filing this Current  Report on Form 8-K to provide  unaudited pro
forma combined condensed financial  information for Long Island Lighting Company
("LILCO") and for KeySpan Energy  Corporation  ("Keyspan") at September 30, 1997
and for the twelve months ended September 30, 1997 in order to give effect under
the purchase method of accounting to the transactions summarized in Exhibit 99.1
hereto and in the assumptions set forth in the notes thereto.

Based on current  facts and  circumstances,  LILCO and Keyspan  believe that the
applicability  of  the  purchase  method  of  accounting  is  probable.  If  the
transaction   contemplated   with  the  Long  Island  Power   Authority  is  not
consummated,  it is possible that the combination contemplated between LILCO and
Keyspan would qualify for the pooling of interests method of accounting.

The unaudited pro forma combined  condensed  financial  information set forth in
Exhibit  99.1  to this  Current  Report  on  Form  8-K  reflects  the  condensed
consolidated financial information of LILCO contained in its Quarterly Report on
Form 10-Q filed on  November  14,  1997 and of Keyspan  contained  in its Annual
Report on Form 10-K filed on December  19,  1997,  which Form 10-K of Keyspan is
attached hereto as Exhibit 99.2.  Exhibits 99.1 and 99.2 are hereby incorporated
by reference in response to this Item 5.


Item 7.     Financial Statements, Pro Forma Financial Information
            and Exhibits

The unaudited pro forma combined condensed  financial  information and Keyspan's
Annual Report on Form 10-K filed on December 19, 1997, referred to above in Item
5 and  incorporated  herein by reference,  are attached  hereto as the following
Exhibits:

Exhibit
Number

10        Agreement and Plan of Merger dated as of June 26, 1997 by and among BL
          Holding  Corp.,  Long  Island  Lighting  Company,  Long  Island  Power
          Authority and LIPA Acquisition Corp. (filed as Annex D to Registration
          Statement  on Form S-4,  No.  333-30353  on June 30,  1997) and hereby
          incorporated by reference and made a part of this report with the same
          effect as if filed herewith.

*23       Consent of Independent Public Accountants
          
*99.1     Unaudited  pro forma  combined  condensed  financial  information  for
          LILCO and Keyspan Energy Corporation at September 30, 1997 and for the
          twelve months ended September 30, 1997.

*99.2     Keyspan  Annual  Report on Form  10-K for the  12-month  period  ended
          September 30, 1997.

*Filed Herewith


                                     2


<PAGE>








                                    SIGNATURE




      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 thereunto duly authorized.

Dated:  December 31, 1997






                        LONG ISLAND LIGHTING COMPANY
                                 Registrant



                        By: /s/ Anthony Nozzolillo                       
                        -------------------------------
                              ANTHONY NOZZOLILLO
                         Senior Vice President - Finance






















                                     3



<PAGE>



                                  Exhibit Index


Exhibit
Number

10        Agreement and Plan of Merger dated as of June 26, 1997 by and among BL
          Holding  Corp.,  Long  Island  Lighting  Company,  Long  Island  Power
          Authority and LIPA Acquisition Corp. (filed as Annex D to Registration
          Statement  on Form S-4,  No.  333-30353  on June 30,  1997) and hereby
          incorporated by reference and made a part of this report with the same
          effect as if filed herewith.

*23       Consent of Independent Public Accountants begins on page 5.

*99.1     Unaudited  pro forma  combined  condensed  financial  information  for
          LILCO and KeySpan Energy Corporation at September 30, 1997 and for the
          twelve months ended September 30, 1997, begins on page 6.

*99.2     KeySpan  Energy  Corporation  Annual  Report for the  12-month  period
          ended September 30, 1997 begins on page 13.

                              
*Filed Herewith

                                   4





                                                                      Exhibit 23
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
                   -----------------------------------------

As independent  public  accountants,  we hereby consent to the  incorporation by
reference  of our report  dated  October 22,  1997,  covering  the  consolidated
financial  statements of KeySpan  Energy  Corporation  for the three years ended
September  30,  1997,  included  in this Form 8-K,  into  Long  Island  Lighting
Company's previously filed Registration Statement Nos. 33-52963 and 2-87427.

                                   
                                                  /s/ Arthur Andersen LLP
                                                  ARTHUR ANDERSEN LLP

New York, New York
December 23, 1997

                                     5



                                                                    Exhibit 99.1



       UNAUDITED PRO FORMA CONSOLIDATED CONDENSED FINANCIAL INFORMATION
          KEYSPAN ENERGY CORP\LILCO COMBINATION AND LIPA TRANSACTION

The following unaudited pro forma financial  information reflects adjustments to
the  historical  financial  statements  of LILCO to give effect to the  proposed
transfer of LILCO's gas and  generation  business to  subsidiaries  of the newly
formed Holding  Company  (Holding  Company),  the proposed stock  acquisition of
LILCO by a wholly owned subsidiary of LIPA and the proposed  combination between
KeySpan Energy Corporation (KeySpan) and LILCO (Combination).  The unaudited pro
forma consolidated condensed balance sheet at September 30, 1997 gives effect to
the proposed LIPA  Transaction  and the  Combination  as if they had occurred at
September 30, 1997. The unaudited pro forma consolidated  condensed statement of
income for the  12-month  period  ended  September  30, 1997 gives effect to the
proposed LIPA Transaction and the Combination as if they had occurred at October
1, 1996.  These  statements  are  prepared  on the basis of  accounting  for the
Combination  under  the  purchase  method  of  accounting  and are  based on the
assumptions  set forth in the notes  thereto.  In April 1997 LILCO  changed  its
year-end from December 31 to March 31.

The following pro forma financial information has been prepared from, and should
be read in  conjunction  with,  the LIPA  Agreement  (Annex D to the Joint Proxy
dated June 27, 1997, which is filed as Exhibit 10 to this Current Report on Form
8-K and  incorporated  herein by  reference),  and the  historical  consolidated
financial  statements  and  related  notes  thereto  of KeySpan  and LILCO.  The
following information is not necessarily indicative of the financial position or
operating results that would have occurred had the proposed LIPA Transaction and
the Combination been consummated on the date, or at the beginning of the period,
for which the proposed  LIPA  Transaction  and the  Combination  are being given
effect nor is it necessarily indicative of future operating results or financial
position.





                                      7


<PAGE>
<TABLE>
<CAPTION>

                            (KEYSPAN/LILCO) HOLDING CORP.
            UNAUDITED PRO FORMA CONSOLIDATED CONDENSED BALANCE SHEET
                                     9/30/97
                                  (In Millions)

                                                     Sale
                                         LILCO        to        Pro Forma      LILCO         Keyspan      Pro Forma      Pro Forma
                                      (Historical) LIPA (1)    Adjustments  As Adjusted   (Historical)   Adjustments   Consolidated
                                      ----------- ----------- ------------ ------------- -------------- ------------- --------------
<S>                                     <C>         <C>       <C>            <C>          <C>            <C>           <C>
ASSETS
PROPERTY
Utility Plant
   Electric                              $3,969.6   $2,880.2                 $1,089.4          0.0          0.0        $1,089.4
   Gas                                    1,192.5        0.0       0.0        1,192.5      1,848.8          0.0         3,041.3
   Common                                   268.5        0.0       0.0          268.5          0.0          0.0           268.5
   Construction work in progress            119.5       38.6                     80.9          0.0          0.0            80.9
   Nuclear fuel in process 
     and in reactor                          15.5       15.5                      0.0          0.0          0.0             0.0
   Less - Accumulated depreciation                                                0.0
     and amortization                    (1,823.9)    (891.1)                  (932.8)      (458.1)         0.0        (1,390.9)
                                         --------     ------    ------         ------       ------          ---        -------- 
Total Net Utility Plant                   3,741.7    2,043.2       0.0        1,698.5      1,390.7          0.0         3,089.2  
Gas exploration and production, 
   at cost                                    0.0        0.0                      0.0        636.3          0.0           636.3
   Less - Accumulated depletion               0.0        0.0       0.0            0.0       (216.4)         0.0          (216.4)
                                       ----------   --------   -------     ----------   ----------   ----------       ---------
Total Net Plant                           3,741.7    2,043.2       0.0        1,698.5      1,810.6          0.0         3,509.1
                                       ----------   --------   -------     ----------   ------------ ----------       ---------

Cost In Excess of Net Assets Acquired                                                                     308.0 (6)       308.0

REGULATORY ASSETS
Base financial component (less
  accumulated amortization of $808)       3,205.8    3,205.8                      0.0          0.0          0.0             0.0
Rate moderation component                   402.8      402.8                      0.0          0.0          0.0             0.0
Shoreham post-settlement costs            1,004.1    1,004.1                      0.0          0.0          0.0             0.0
Regulatory tax asset                      1,754.4    1,754.4                      0.0          0.0         70.5 (5)        70.5
Postretirement benefits 
  other than pensions                       350.5        0.0    (295.7)(2)       54.8                                      54.8
Other                                       431.5      330.6       0.0          100.9          0.0          0.0           100.9
                                       ----------   --------   -------     ----------   ----------   ----------       ---------
Total Regulatory Assets                   7,149.1    6,697.7    (295.7)         155.7          0.0         70.5           226.2
                                       ----------   --------   -------     ----------   ----------   ----------       ---------
NONUTILITY PROPERTY AND 
         OTHER INVESTMENTS                   50.6       17.1                     33.5        166.9          0.0           200.4
                                       ----------   --------   -------     ----------   ----------   ----------       ---------

CURRENT ASSETS
Cash and cash equivalents                   121.5        0.0   2,487.6 (3)    2,609.1         36.9                      2,646.0
Deferred tax asset                           25.2       25.2     119.0 (4)      119.0                                     119.0
Accounts receivable 
  and accrued revenues                      479.1      333.3      14.4 (2)      160.2                                     160.2
Other Current Assets                        250.6        1.7       0.0          248.9        311.2          0.0           560.1
                                       ----------   --------   -------     ----------   ----------   ----------       ---------
TOTAL CURRENT ASSETS                        876.4      360.2   2,621.0        3,137.2        348.1          0.0         3,485.3

DEFERRED CHARGES                             80.2       47.4                     32.8        171.6        (70.5)(5)       133.9

CONTRACTUAL RECIEVABLE FROM LIPA                                 281.3 (2)      281.3                                     281.3
                                       ----------   --------   -------     ----------   ----------   ----------       ---------

TOTAL ASSETS                            $11,898.0   $9,165.6  $2,606.6       $5,339.0     $2,497.2       $308.0        $8,144.2
                                      ============ =========  ========     ==========   ==========   ==========       =========     
CAPITALIZATION AND LIABILITIES
CAPITALIZATION
Common Shareowners' Equity               $2,614.1   $2,520.6  $2,487.6 (3)   $2,581.1       $969.0       $253.9 (6)    $3,804.0
Long-term debt                            4,458.5    3,293.6     (75.0)(14)   1,089.9        745.1          0.0         1,835.0
Preferred stock                             701.0      338.0      75.0 (14)     438.0          0.0          0.0           438.0
                                       ----------   --------   -------     ----------   ----------   ----------        ---------
Total Capitalization                      7,773.6    6,152.2   2,487.6        4,109.0      1,714.1        253.9         6,077.0
                                       ----------   --------   -------     ----------   ----------   ----------        ---------

REGULATORY LIABILITIES                      526.3      493.2       0.0           33.1          0.0          0.0            33.1
                                       ----------   --------   -------     ----------   ----------   ----------        ---------

CURRENT LIABILITIES
Accounts payable and accrued expenses       242.9      121.0                    121.9        161.3         54.1 (6)       337.3
Accrued taxes
 (including Federal income tax)              57.2                399.0 (4)      456.2          4.6                        460.8
Other current liabilities                   336.5       64.5                    272.0        153.6          0.0           425.6
                                       ----------   --------   -------     -----------------------   ----------        ---------
                                            636.6      185.5     399.0          850.1        319.5         54.1         1,223.7
                                       ----------   --------   -------     -----------------------   ----------        ---------

DEFERRED CREDITS
Deferred federal income tax               2,422.0    2,312.2    (280.0)(4)     (170.2)       290.4          0.0           120.2
Other                                       100.9       29.6                     71.3         88.0          0.0           159.3
                                       ----------   --------   -------     ----------   ----------   ----------        ---------
Total Deferred Credits                    2,522.9    2,341.8    (280.0)         (98.9)       378.4          0.0           279.5
                                       ----------   --------   -------     ----------   ----------   ----------        ---------

OPERATING RESERVES                          438.6       (7.1)      0.0          445.7          0.0          0.0           445.7

COMMITMENTS AND CONTINGENCIES                 0.0        0.0       0.0            0.0          0.0          0.0             0.0
                                       ----------   --------   -------     ----------   ----------   ----------        ---------

MINORITY INTEREST IN SUBSIDIARY
 COMPANY                                      0.0        0.0       0.0            0.0         85.2          0.0            85.2
                                       ----------   --------   -------     ----------   ----------   ----------        ---------

TOTAL CAPITALIZATION AND LIABILITIES    $11,898.0   $9,165.6  $2,606.6       $5,339.0     $2,497.2       $308.0        $8,144.2
                                       ==========   ========   =======     ==========   ==========   ==========        =========

</TABLE>

SEE ACCOMPANYING NOTES TO UNAUDITED PRO FORMA 
CONSOLIDATED CONDENSED FINANCIAL STATEMENTS.


                                       8

<PAGE>

<TABLE>
<CAPTION>

                          (KEYSPAN/LILCO) HOLDING CORP.
         UNAUDITED PRO FORMA CONSOLIDATED CONDENSED STATEMENT OF INCOME
                 FOR THE TWELVE MONTHS ENDED SEPTEMBER 30, 1997
                     (In Millions Except Per Share Amounts)

                                                      Sale          Pro
                                        LILCO          to          Forma         LILCO       KeySpan      Pro Forma    Pro Forma
                                     (Historical)   LIPA (1)     Adjustments   As Adjusted  (Historical)  Adjustments  Consolidated
                                     -----------   -----------   -----------   -----------  -----------   -----------  -----------



<S>                                     <C>          <C>             <C>          <C>            <C>         <C>         <C>   
REVENUES
Electric                                $2,458.3     $1,485.0(10)    $11.5(7)     $984.8         $0.0        $0.0        $984.8
Gas - Utility sales                        651.9                                   651.9      1,363.7         0.00      2,015.6
Gas production and other                                                             0.0        114.5         0.0         114.5
                                      -----------  -----------    ---------   -----------  -----------   ---------   -----------
Total Revenues                           3,110.2      1,485.0         11.5       1,636.7      1,478.2         0.0      3,114.9

OPERATING EXPENSES
Operations - fuel and purchased power      946.1         14.4                      931.7        594.1         0.0       1,525.8
Operations - other                         366.1        216.4                      149.7        363.2         0.0         512.9
Maintenance                                114.6         65.0                       49.6         56.6         0.0         106.2
Depreciation, depletion and 
  amortization                             156.8         95.2                       61.6        111.0         6.3(6)      178.9
Base financial component amortization      101.0        101.0                        0.0          0.0         0.0           0.0
Rate moderation component amortization      33.9         33.9                        0.0          0.0         0.0           0.0
Regulatory liability component 
  amortization                             (88.6)       (88.6)                       0.0          0.0         0.0           0.0
Other regulatory amortization               46.6         28.4                       18.2          0.0         0.0          18.2
Operating taxes                            468.4        266.2                      202.2        153.5         0.0         355.7
Federal income taxes                       218.9        188.6          6.3(8)       36.6         57.2         0.0          93.8
                                      -----------  -----------    ---------   -----------  -----------    --------   -----------
Total Operating Expenses                 2,363.8        920.5          6.3       1,449.6      1,335.6         6.3       2,791.5
                                      -----------  -----------    ---------   -----------  -----------    --------   -----------
Operating Income                           746.4        564.5          5.2         187.1        142.6        (6.3)        323.4

OTHER INCOME AND (DEDUCTIONS)               14.3         26.7                      (12.4)        16.7         0.0           4.3
                                      -----------  -----------    ---------   -----------  -----------    --------   -----------
INCOME BEFORE INTEREST CHARGES             760.7        591.2          5.2         174.7        159.3        (6.3)        327.7

INTEREST CHARGES                           419.3        325.1         (1.9)(8)      92.3         44.6         0.0         136.9
                                      -----------  -----------    ---------   -----------  -----------    --------   -----------

NET INCOME                                 341.4        266.1          7.1          82.4        114.7        (6.3)        190.8
                                      -----------  -----------    ---------   -----------  -----------    --------   -----------
Preferred stock dividend requirements       51.9         23.1         23.7(10)      52.5          0.3                      52.8
                                      -----------  -----------    ---------   -----------  -----------    --------   -----------
EARNINGS FOR COMMON STOCK                 $289.5       $243.0       ($16.6)        $29.9       $114.4       ($6.3)       $138.0
                                      ===========  ===========    =========   ===========  ===========    ========   ===========

AVERAGE COMMON SHARES OUTSTANDING          121.1        121.1        121.1         121.1         50.2       (14.5)        156.8
                                      ===========  ===========    =========   ===========  ===========    ========   ===========

EARNINGS PER COMMON AND EQUIVALENT 
  SHARES                                    $2.39        $2.00       ($0.14)        $0.25        $2.28       $0.43        $0.88
                                      ===========  ===========    =========   ===========  ===========    ========   ===========

</TABLE>

SEE ACCOMPANYING NOTES TO UNAUDITED PRO FORMA 
CONSOLIDATED CONDENSED FINANCIAL STATEMENTS.

                                       9


<PAGE>


NOTES TO UNAUDITED PRO FORMA CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

1.   The  historical  financial  statements  of LILCO have been adjusted to give
     effect to the proposed  transaction with LIPA, pursuant to which LILCO will
     distribute  certain of its net assets  relating  to its gas and  generation
     business  ("Transferred  Assets") to subsidiaries  of the Holding  Company.
     LIPA will then acquire  LILCO in a stock sale.  The  adjustments  are based
     upon a disaggregation  of LILCO's balance sheet and operations as estimated
     by the management of LILCO,  and are subject to adjustment  pursuant to the
     terms of the LIPA agreement.

     In connection with this transaction, the principal assets to be acquired by
     LIPA  through  its  stock   acquisition   of  LILCO  include  the  electric
     transmission   and   distribution   system  ("The  LIPA   Transmission  and
     Distribution  System"),  LILCO's 18%  interest in Nine Mile Point 2 nuclear
     power station,  certain of LILCO's  regulatory  assets  associated with its
     electric  business  and an  allocation  of  accounts  receivable  and other
     assets.  The principal  liabilities  to be assumed by LIPA include  LILCO's
     regulatory  liabilities associated with its electric business, a portion of
     LILCO's  long-term  debt and an  allocation  of accounts  payable,  accrued
     expenses, customer deposits, other deferred credits and claims.

2.   In connection with the LIPA Transaction,  LIPA is contractually responsible
     for reimbursing the Holding Company for postretirement  benefits other than
     pension costs,  related to employees of LILCO's  electric  business.  A pro
     forma adjustment has been reflected to reclassify the associated regulatory
     asset for  postretirement  benefits  other than  pensions  to  current  and
     non-current   accounts  receivable  pursuant  to  LIPA's  obligation  to  a
     subsidiary of the Holding Company.

3.   The Cash  Purchase  Price to be paid by LIPA in  connection  with its stock
     acquisition of LILCO will be $2,497.5 million.  The Cash Purchase Price was
     determined  based upon the estimated  net book value of the LILCO  Retained
     Assets of $2,500.8  million as  estimated  by LILCO in a projected  balance
     sheet as of December 31, 1997. Based upon the balance sheet as of September
     30,  1997,  the net book  value of the  LILCO  Retained  Assets  amount  to
     $2,520.6 million. In addition,  the LIPA Transaction  obligates the Holding
     Company  upon the closing of the  transaction  to remit to LIPA $15 million
     associated  with the  recovery  through  litigation  of certain real estate
     taxes previously paid.  Transaction costs are currently estimated to be $18
     million. Assuming the LIPA Transaction was completed on September 30, 1997,
     the net cash to be received by the Holding Company would amount to:

          Cash Purchase Price...............................$2,520.6
          Cash paid to LIPA....................................(15.0)
          Transaction Costs.................................   (18.0)
                                                               ----- 
          Net Cash..........................................$2,487.6
                                                            ========

                                        10

<PAGE>




4.   The  distribution of the  Transferred  Assets from LILCO to subsidiaries of
     the Holding  Company will result in the  imposition of federal income taxes
     on LILCO.  Pursuant to the LIPA Agreement,  the subsidiaries created by the
     Holding Company to receive the Transferred  Assets will receive the benefit
     of the increased tax basis of the Transferred Assets and will pay the LILCO
     tax. If the LIPA  Transaction  were to have occurred at September 30, 1997,
     the tax would have  amounted  to  approximately  $399  million.  The tax is
     derived  from  the  difference  between  the  estimated  fair  value of the
     distributed  assets and their existing tax basis.  For financial  reporting
     purposes,  the subsidiaries reversed the existing deferred tax liability of
     $280 million relating to the Transferred Assets and recorded a $119 million
     deferred tax asset  reflecting the income tax effect by which the tax basis
     of the Transferred Assets exceeded their book basis.

5.   The  unaudited  pro  forma  condensed  consolidated  balance  sheet  as  of
     September  30,  1997  reflects  the  reclassification  of $70.5  million of
     KeySpan regulatory tax assets from deferred charges to regulatory assets in
     order to consistently present the regulatory assets of KeySpan with LILCO.

6.   The purchase  price for KeySpan at September  30, 1997,  which  amounted to
     approximately  $1.245  billion  including  approximately  $54.1  million of
     transaction  costs,  has been  determined  based upon an average of LILCO's
     opening and closing  stock prices for the two trading days before and three
     trading days after December 29, 1996. The purchase price has been allocated
     to assets acquired and liabilities  assumed based upon their estimated fair
     values.  It is  anticipated  that the  fair  value  of the  utility  assets
     acquired is represented by their book value,  which  approximates the value
     of these assets recognized by the New York State Public Service  Commission
     (PSC) in  establishing  rates which are designed  to,  among other  things,
     provide for a return on the book value of these  assets and the recovery of
     costs included as depreciation and amortization charges. The estimated fair
     values of KeySpan  non-utility  assets  approximate  their carrying values.
     Both KeySpan and LILCO will seek PSC  approval for recovery of  transaction
     costs.

     At  December  29,  1996,  the  purchase  price,  including   merger-related
     transaction  costs,  exceeded the fair value of the net assets  acquired by
     $308.0 million, which will be amortized to income over 40 years.

7.   The agreement  with LIPA  includes a provision  for the Holding  Company to
     earn in the  aggregate  approximately  $11.5  million in annual  management
     service  fees from LIPA for the  management  of the LIPA  Transmission  and
     Distribution  System and the  management  of all  aspects of fuel and power
     supply.  These  agreements  also  contain  certain  incentive  and  penalty
     provisions which could materially impact earnings from such agreements.


                                          11

<PAGE>



8.   The pro forma  charge of $6.3  million  represents  the  income  tax effect
     associated  with the recording of the pro forma  adjustments  for the $11.5
     million management fee (See Note 7), and a reduction in interest expense of
     approximately  $1.9 million  associated  with the  recapitalization  of the
     subsidiary which contains the gas and generation businesses.

9.   Revenues for both the assets  acquired by LIPA and the  Transferred  Assets
     were determined  based upon a revenue  requirements  model which considered
     the cost of service for these assets and a return on  capitalization  based
     upon an imputed allowed rate of return.

10.  No  adjustments  have been made to  earnings  on  common  stock to  reflect
     earnings on net  available  proceeds of  approximately  $1.7  billion to be
     received,  after  remittances  to the Holding  Company's gas and generation
     subsidiaries  for working  capital  purposes (see Notes 3 and 11). If these
     funds were  invested at 6.40% (the 30 year US Treasury  Bond yield based on
     average  prices),  the  Holding  Company  would  have  realized  additional
     interest  income,  net  of  taxes,  of  approximately   $70.7  million,  or
     approximately $.45 per share, on a pro forma  consolidated  basis. Each one
     percent  change  in the  assumed  interest  rate,  would  increase/decrease
     interest  income,  net of taxes, by $11.0 million.  LILCO's allowed rate of
     return on its common equity for its electric business is currently 11%.

11.  Subsequent to the sale to LIPA, a portion of the proceeds to be received by
     the  Holding  Company  will be  remitted  to  LILCO's  gas  and  generation
     subsidiaries in order to meet the subsidiaries  working capital needs. Such
     proposed transaction has been eliminated in the consolidation process.

12.  The  allocation  between  KeySpan  and  LILCO and  their  customers  of the
     estimated  cost savings  resulting from the  Combination,  net of the costs
     incurred to achieve such savings,  will be subject to regulatory review and
     approval.  None of the  estimated  cost savings have been  reflected in the
     unaudited pro forma consolidated condensed financial statements.

13.  The unaudited pro forma consolidated condensed financial statements reflect
     the  exchange of each share of LILCO Common  Stock  outstanding  into 0.880
     shares of  Holding  Company  Common  Stock  outstanding  and each  share of
     KeySpan  Common Stock into one share of Holding  Company  Common Stock,  as
     provided in the KeySpan/LILCO Agreement.

14.  As   more   fully   described   in   the   section   entitled   "The   LIPA
     Transaction-Agreement  and Plan of Merger," as described in the Joint Proxy
     Statement/Prospectus   dated  June  27,  1997,   LILCO  will  transfer  the
     Transferred  Assets to  subsidiaries of the Holding Company in exchange for
     shares of the  Holding  Company  common  stock and up to $75  million  face
     amount of Holding Company  Preferred  Stock. The privately placed Preferred
     Stock will be  non-voting,  non-convertible  and have a five year term. For
     purposes of these pro forma financial

                                           12

<PAGE>


     statements,  it is assumed that the Holding  Company will issue $75 million
     of Preferred Stock,  LILCO will sell the preferred stock for $75 million in
     proceeds and will retain the proceeds (i.e. a Retained Asset).

     With a $75 million  increase in the  Retained  Assets,  the LIPA  Agreement
     provides that the Retained Debt will  increase by a  corresponding  amount.
     The LIPA Agreement also provides that if the Holding  Company were to issue
     an amount  other  than $75  million of  Preferred  Stock,  the  incremental
     difference between the amount actually issued and $75 million,  will result
     in a corresponding  increase or decrease in the amount of accounts  payable
     retained by LILCO. These pro forma financial statements reflect a reduction
     in interest  expense  for the  reduced  level of  subsidiary  debt,  and to
     reflect an increase in preferred stock dividend requirements.  Finally, for
     purposes of these pro forma  financial  statements,  it is assumed that the
     dividend rate on this privately place Preferred Stock will be 7.95%,  which
     is equal to the Company's highest cost preferred Stock.

15.  KeySpan  earnings for the 12 month period ended  September 30, 1997 include
     non-recurring  income  aggregating to  approximately  $7.8 million,  net of
     taxes or $0.16 per share, relating to gains on the sale of certain Canadian
     gas processing properties and on the sale of a fuel management operation.

                                           13


                                                                    Exhibit 99.2


         UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                     WASHINGTON, D. C. 20549
                            FORM 10-K
(Mark One)
 X  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
    EXCHANGE ACT OF 1934
For the fiscal year ended           September 30, 1997
                                      OR
    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
    SECURITIES EXCHANGE ACT OF 1934
For the transition period from                 to

Commission file number                   1-14508

                 KEYSPAN ENERGY CORPORATION
     (Exact name of Registrant as specified in its charter)

           New York                               11-3344628
(State or other jurisdiction of              (I.R.S. Employer
 incorporation or organization)               Identification No.)

ONE METROTECH CENTER, BROOKLYN, NEW YORK          11201-3850
(Address of principal executive offices)          (Zip Code)

Registrant's telephone number, including area code  718-403-1000

Securities registered pursuant to Section 12(b) of the Act:
                                           Name of Each Exchange on
     Title of Each Class                       Which Registered
Common Stock-$.33 1/3 par value             New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act:  None

      Indicate by check mark  whether the  registrant  (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days. Yes X No
      Indicate by check mark if disclosure of delinquent filers
pursuant to Item 405 of Regulation S-K is not contained herein, and
will not be contained, to the best of registrant's knowledge, in
definitive proxy or information statements incorporated by
reference in Part III of this Form 10-K or any amendment to this
Form 10-K.  (X)
      On December  11, 1997 the Company had  50,966,673  shares of Common  Stock
outstanding at an aggregate market value of $1.7 billion.

               DOCUMENTS INCORPORATED BY REFERENCE
                                                        Part of
Documents                                               Form 10-K
Form 8K dated December 19, 1997                          Part II

<PAGE>
PART   I

Item   1.  Business
            The Company                                        3
              a. Overview of Utility Subsidiary                4
                      Competition                              5
                   Regulation and Rate Matters                 7
                   Gas Supply                                  8
                   Environmental Matters                       9
                   Research and Development                    9
              b. Overview of Non-Utility Subsidiaries          9
            Employees                                         12

Item   2.  Properties                                         12

Item   3.  Legal Proceedings                                  13

Item   4.  Submission of Matters to a Vote of Security
           Holders                                            13
PART   II
Item   5.  Market for the Registrant's Common Stock and
           Related Security Holder Matters                    13

Item   6.  Selected Financial Data                            15

Item   7.  Management's Discussion and Analysis of
           Financial Condition and Results of Operations      16

Item   8.  Financial Statements and Supplementary Data        30

Item   9.  Changes in and Disagreements with Accountants
           on Accounting and Financial Disclosure             58

PART   III

Item  10.  Directors and Executive Officers of the
           Registrant                                         58

Item  11.  Executive Compensation                             64

Item  12.  Security Ownership of Certain Beneficial Owners
           and Management                                     73

Item 13.   Certain Relationships and Related Transactions     74

Part IV

Item 14.   Exhibits, Financial Statement Schedules, and
           Reports on Form 8-K                                74

Signatures                                                    81


<PAGE>
Part I

Item 1.   Business

                                  The Company

      KeySpan Energy Corporation (Company or KeySpan) is filing its first report
on Form 10-K herewith as successor to the Brooklyn  Union Gas Company  (Brooklyn
Union). In fiscal 1997, The Brooklyn Union Gas Company and its subsidiaries were
reorganized into a holding company  structure named KeySpan Energy  Corporation.
At a  special  meeting  held  on  August  7,  1997,  shareholders  approved  the
reorganization,  and after the  close of  business  on  September  29,  1997 the
reorganization  became effective by a share exchange through which each share of
Brooklyn  Union  common  stock was  converted  into one share of KeySpan  common
stock.  (See Part II, Item 8., "Financial  Statements and  Supplementary  Data -
Summary of  Significant  Accounting  Policies and Basis for Financial  Statement
Presentation -  'Reorganization'".)  Brooklyn Union is the Company's utility gas
distribution  subsidiary  and  its  principal  subsidiary.  In  addition  to gas
distribution, KeySpan subsidiaries are engaged in gas exploration and production
operations,  gas  marketing  and  energy  systems  installation  and  management
services.  Other  subsidiaries  participate  and  own  investments  in  projects
involving gas pipeline and storage facilities. Further, certain subsidiaries are
in the process of selling their investments in cogeneration  facilities and fuel
management  operations.  The scope of energy  investments  is being  expanded to
include greater participation in international  projects, such as a gas pipeline
from  Scotland to Northern  Ireland  and a gas  distribution  system in Belfast,
Northern  Ireland which is supplied by the pipeline.  Other planned  investments
include participating in cogeneration projects in selected countries and oil and
gas  ventures in Mexico.  Gas  exploration  and  production,  and gas  marketing
operations are fully consolidated in the financial  information  presented.  All
other  investments of subsidiaries are accounted for on the equity method.  (See
Part I, Item 1., "The Company 'Overview of Non-Utility Subsidiaries'".)

      The  Company's  executive  offices  are located at One  MetroTech  Center,
Brooklyn, New York 11201-3850. Its telephone number is (718) 403-1000. Financial
and  other  information  is  also  available  through  the  World  Wide  Web  at
http://www.Keyspanenergy.com.  The Company has filed an exemption statement with
the  Securities  and  Exchange   Commission  (SEC)  to  exempt  itself  and  its
subsidiaries  from all provisions of the Public Utility  Holding  Company Act of
1935 (except with respect to certain  acquisitions and investments)  pursuant to
the intrastate exemption provided by Section 3(a)(1) of that Act.

      Also in fiscal 1997, Brooklyn Union (prior to its reorganization) and Long
Island Lighting Company entered into an

                               3
<PAGE>
Agreement and Plan of Exchange and Merger  pursuant to which the companies would
become wholly owned subsidiaries of a new holding company. Based on the terms of
the  transaction,  as the  result  of the  combination  of  the  Company  with a
newly-formed  subsidiary  of the new combined  holding  company,  the  Company's
common  shareholders  will  receive one share of common stock of the new holding
company for each common share of the Company they  currently own. This agreement
was approved by both  companies  boards of directors  and  shareholders  of both
companies  approved the  transaction  on August 7, 1997,  the same time at which
Brooklyn Union's  shareholders also approved its reorganization.  In March 1997,
Brooklyn  Union and LILCO filed a joint  petition with the New York State Public
Service  Commission  (PSC)  seeking  approval  under  Section 70 of the New York
Public Service Law for the combination. It is currently anticipated that the PSC
will act on the petition in early  calendar year 1998.  Also the  transaction is
conditioned  upon  receipt of other  required  regulatory  approvals.  LILCO has
entered  into a  separate  transaction  with the  Long  Island  Power  Authority
involving  the  sale  and  transfer  of  LILCO's   electric   transmission   and
distribution  assets as well as certain  other  assets.  (See Part II,  Item 7.,
"Management's  Discussion  and  Analysis of Financial  Condition  and Results of
Operations   -  'Utility   Rate  and   Regulatory   Matters  -  Proposed   LILCO
Transaction'",  and Part II, Item 8.,  "Financial  Statements and  Supplementary
Data, - Note 9 to the Consolidate Financial  Statements,  'Combination with Long
Island Lighting Company (LILCO Transactions)'".)

a. Overview of Utility Subsidiary

General

      Brooklyn Union, KeySpan's gas distribution subsidiary, was incorporated in
the State of New York in 1895 as a combination of existing companies,  the first
of which was granted a franchise in 1849. Brooklyn Union distributes natural gas
at retail,  primarily in a territory of  approximately  187 square miles,  which
includes  the  Boroughs  of Brooklyn  and Staten  Island and  two-thirds  of the
Borough of Queens,  all in New York City. The population of the territory served
is  approximately  4,000,000.  As of  September  30,  1997,  Brooklyn  Union had
approximately  1,128,000 active meters,  of which  approximately  1,090,000 were
residential.   Brooklyn  Union  is  subject  to  the  comprehensive   regulatory
jurisdiction of the PSC.

Seasonality

      The  gas   distribution   business  is  influenced  by  seasonal   weather
conditions. Annual 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  to  total  sales.  Accordingly,  results  of
operations  historically  are most  favorable  in the second  quarter (the three
months ended March 31) of the Company's fiscal year, with results

                               4
<PAGE>
of operations  being next most favorable in the first  quarter.  Results for the
third quarter are marginally  unprofitable,  and losses are usually  incurred in
the fourth quarter.  Brooklyn  Union's tariff  contains a weather  normalization
adjustment  that  provides  for  recovery  from or refund to firm  customers  of
material  shortfalls or excesses of firm net revenues  (revenues less applicable
gas  costs,  if any)  during a heating  season  due to  variations  from  normal
weather.  (See  Part I,  Item 1.,  "Business  Overview  of  Utility  Subsidiary,
'Regulation  and Rate Matters'" and Part II, Item 7.,  "Management's  Discussion
and Analysis of Financial Condition and Results of Operations - 'Utility'".)

Sales

      For the fiscal year ended September 30, 1997, firm gas and  transportation
sales were 136,370  MDTH, of which 74% were  residential,  11%  commercial,  10%
governmental and 5% industrial.  Other gas and transportation sales and services
to off-system and interruptible customers amounted to 54,920 MDTH.

      Brooklyn Union opened the first New  York-based  market hub for buyers and
sellers of natural gas in the  Northeast in fiscal 1994.  With  interconnections
and  access  to  several  major  pipelines,  the  New  York  Market  Hub  offers
transportation,  balancing and exchange  services to utilities,  municipalities,
marketers and large-volume customers. In 1997, the Hub placed 33,800 MDTH of gas
for  delivery  to  customers  in 17  states,  Washington,  DC and  one  Canadian
province.

      The  heating  capacity  of gas is  measured  in therms.  One therm  equals
100,000 BTUs, the heat content of  approximately  100 cubic feet of natural gas.
The heat content of approximately  1,000,000 cubic feet of gas represents 10,000
therms or 1 MDTH.  Accordingly,  one  billion  cubic  feet  (BCF) of gas  equals
approximately 1,000 MDTH.

                           Competition

General

      Within  its  utility  service  territory,  Brooklyn  Union  competes  with
suppliers  of oil,  electricity  and  other  fuels  for  cooking,  heating,  air
conditioning  and other  purposes.  Changes in  regulatory  policies  and market
forces  have  shifted  the  industry  from  traditional   cost-based  regulation
involving gas sales,  transportation,  storage and other  related  services on a
bundled  basis  by the  interstate  pipelines  toward  market-based  sales on an
unbundled basis. These policy changes have made the market more competitive with
respect to gas supply and related  services.  Similar  regulatory policy changes
are affecting  the  distribution  of gas and electric  energy at state and local
levels.  The PSC set forth a policy  framework  and issued a series of orders in
1994

                               5
<PAGE>
through 1996 pursuant to which,  effective May 1, 1996,  customers who choose to
do so can arrange to  purchase  their gas  directly  from  qualified  marketers.
Brooklyn  Union  continues to serve as the  transporter  of gas within its local
distribution  network, and the related rates provide full margin recovery of all
costs of service, other than gas costs. Regardless of whether customers purchase
gas from Brooklyn  Union or other  suppliers,  customers pay Brooklyn  Union for
transporting the gas.

      Continuing the trend to enhance  competition  within the gas  marketplace,
the Staff of the PSC issued a Position  Paper, on September 4, 1997, in which it
concluded that the most effective way to establish a competitive gas marketplace
is to separate the merchant and distribution  functions.  A five year transition
period  was  suggested  in the  Position  Paper,  during  which  time the  local
distribution companies would provide the bulk of the merchant function.  Further
action is not expected  until  comments to the  Position  Paper are received and
evaluated by the PSC.

      The Company  believes that its holding  company  structure will provide it
with the flexibility for further expansion and diversification in energy-related
businesses through investments,  acquisitions and strategic alliances.  Moreover
the pending  combination with LILCO will create a new integrated  energy company
that can offer a broader  range of energy  services to a larger  customer  base.
Additionally,  economies and synergy  savings  resulting from this  combination,
will allow the newly created  energy  company to compete more  effectively in an
increasingly  competitive  energy market.  (See Part II, Item 7.,  "Management's
Discussion  and  Analysis of  Financial  Condition  and Results of  Operations -
'Sales  Volumes and Analysis of Utility Net  Revenues',  and  'Utility  Rate and
Regulatory Matters'".)

Markets

     Brooklyn  Union  has  continually  expanded  its  existing  markets  and is
developing new ones to increase gas sales.  In the  residential  heating market,
gas is sold in  competition  with No. 2 grade fuel oil.  During the year, gas at
the  burner tip  locally  was  competitive  with  alternate  grades of fuel oil.
Conversions from oil to gas heat continued during fiscal 1997. Approximately 79%
of one- and two-family  homes in Brooklyn  Union's  service area now use gas for
space heating.

     Brooklyn Union's share of the multi-family  market is approximately 47%. In
this market, gas service under large-volume rates is continuously repriced to be
competitive  with alternate grades of fuel oil. In the commercial and industrial
markets,  special area  development  and business  incentive  gas rates are also
offered by Brooklyn  Union to  businesses  that move to or expand  operations in
designated areas in Brooklyn Union's territory.

                                6
<PAGE>
     Further,  as a result of deregulation,  a significant market for off-system
gas sales,  transportation  and other  services has  developed.  Competition  is
expected to intensify in this market as deregulation is more widely  implemented
in the Northeast.

                      Regulation and Rate Matters

General

      Utility  retail  sales,  which include  sales of gas,  transportation  and
balancing  services by Brooklyn  Union,  are made primarily under rate schedules
and tariffs filed with and subject to the  jurisdiction  of the PSC.  Amendments
have been made to rate schedules and tariffs to reflect the conditions and rates
under which  delivery and other  services  are provided to customers  who opt to
have  their  gas  supplied  by third  parties.  Rate  schedules  also  have been
established  governing the provision of certain  services to such marketers.  In
general,  the schedules provide for block rates that result in reductions in the
unit price as use increases.  They contain gas cost  adjustment  provisions that
permit  Brooklyn Union to pass on to firm  customers  increases and decreases in
the cost of gas currently in billings to firm customers through the operation of
a tariff  provision,  the Gas Adjustment Clause (GAC).  Revenue  requirements to
establish utility rates are based on tariff gas and transportation sales to firm
customers.  Net  revenues  from  off-system  gas sales and tariff gas  balancing
services and capacity release credits are refunded to firm customers  subject to
sharing  provisions in Brooklyn  Union's  tariff.  Prior to October 1, 1996, net
revenues  from tariff  sales for gas and  transportation  services to  on-system
customers made on an interruptible basis were refunded to firm customers subject
to sharing  provisions.  The GAC provision requires an annual  reconciliation of
recoverable  gas costs with GAC revenues.  Any  difference  is deferred  pending
recovery  from or refund to firm  customers  during a  subsequent  twelve  month
period.

KeySpan Formation and Current Rate Plan

      In September 1996, the PSC approved a settlement agreement that authorized
Brooklyn Union to pursue its holding company reorganization. That agreement also
included a new multi-year rate plan for Brooklyn Union that became  effective on
October 1, 1996. After an initial rate reduction of  approximately  $3.5 million
in fiscal 1997,  the non-gas  component in customer bills will be under specific
price caps.  Hence,  subject to limited  exceptions,  the total  amount for this
component in rates that Brooklyn Union can charge  customers,  in the aggregate,
will remain  constant for the subsequent  five years,  although rates in certain
customer classes may be increased in order to reflect cost  responsibility  more
appropriately.


                              7
<PAGE>
Other Rate Matters

      For  further   information   regarding  the  status  of  other  regulatory
proceedings,  including  customer fixed price option and appliance  service and,
rate  orders  that  became  effective  in October  1996,  see Part II,  Item 7.,
"Management's  Discussion,  and Analysis of Financial  Condition  and Results of
Operations - 'Sales Volumes and Analysis of Utility Net Revenues',  and 'Utility
Rate and Regulatory Matters'".  Also, for additional  information on the effects
of  rate  regulation,   see  Part  II,  Item  8,.   "Financial   Statements  and
Supplementary  Data,  Summary of Significant  Accounting  Policies and Basis for
Financial Statement Presentation- 'Regulatory Assets'".

                               Gas Supply
General

      In 1997,  60% of gas supply was  purchased  from  domestic  sources  under
long-term contracts, 22% from Canadian sources under long-term contracts and 18%
from spot market sources.

Long-Term Sources of Supply

      Under long-term  contracts and regulatory  certificates  applicable to gas
supply and  pipeline  transportation  and  storage  services,  Brooklyn  Union's
suppliers  are  authorized  and  obligated  to provide  maximum firm daily total
deliveries of 994 MDTH of gas for the 1997-98  winter.  This supply  consists of
380 MDTH per day of firm gas supply from U.S. sources,  100 MDTH per day of firm
Canadian gas supply,  489 MDTH per day of storage and winter services related to
U.S. sources, and 25 MDTH of on-system peaking supply.

      Major providers of interstate  pipeline capacity and related services are:
Transcontinental   Gas  Pipe  Line  Corporation,   Texas  Eastern   Transmission
Corporation,  Iroquois Gas Transmission System,  Tennessee Gas Pipeline Company,
CNG Transmission  Corporation and Texas Gas Transmission Company,  which provide
unbundled firm  transportation  and storage  services.  These pipelines  provide
delivery of U.S. and Canadian supplies purchased from natural gas sellers to the
utility's market.

Peak-day Supply

      Brooklyn  Union  plans for  peak-day  demand  on the  basis of an  average
temperature  of 0oF. Gas demand on such a design  peak-day is estimated at 1,122
MDTH during the 1997-98 winter. The highest 24-hour firm sendout  experienced by
Brooklyn Union was 1,028 MDTH on January 7, 1997,  when the average  temperature
was 12oF.


      For the 1997-98  winter,  Brooklyn  Union has the  capability to provide a
maximum peak-day supply of 1,285 MDTH, consisting of firm

                                8
<PAGE>
flowing supply,  pipeline storage supply,  seasonal winter supply, and vaporized
LNG.  The LNG plant has a storage  capacity of 1,660 MDTH and  peak-day  sendout
capacity of 291 MDTH, or 23% of peak-day supply.  Effective  November 1, 1996, a
winter peaking service,  the Brooklyn Navy Yard Peaking Supply, was added to the
gas supply  portfolio.  It can provide a maximum daily capacity of 25 MDTH and a
total available seasonal capacity of 480 MDTH.

Gas Costs

      The average cost of gas purchased for firm  customers was $4.19 per DTH in
1997,  $3.49 per DTH in 1996 and $3.12 per DTH in 1995.  The  increase  reflects
generally  higher  commodity  prices.  Such  prices  within the last three years
generally  show an upward  trend,  largely  related  to more  volatile  seasonal
weather  conditions  and  underlying  increases in demand in line with generally
favorable economic conditions.

                     Environmental Matters

     For information regarding  environmental matters affecting the Company, see
Part II, Item 7.,  "Management's  Discussion and Analysis of Financial Condition
and Results of  Operations  -  'Environmental  Matters',"  and Part II, Item 8.,
"Financial  Statements  and  Supplementary  Data,  - Note 8 to the  Consolidated
Financial Statements, 'Environmental Matters'".

                     Research and Development

     In  fiscal  1997,  Brooklyn  Union  spent  $8.9  million  on  research  and
development  (R&D) programs.  Of this amount,  $2.3 million was spent to support
programs  of the Gas  Research  Institute.  Brooklyn  Union also  provided  $1.2
million to other  research  associations,  including  the New York State  Energy
Research and  Development  Authority  (NYSERDA) and the New York Gas Group.  The
balance of $5.4 million was devoted  primarily to internal R&D programs relating
to efficient gas utilization and operations technologies. These programs covered
cogeneration, power stations,  refrigeration, and fuel cells, as well as natural
gas  refueling  stations.   In  addition,   Brooklyn  Union  continues  to  make
significant  efforts in  developing  innovative  operation  systems which reduce
utility costs.

b.  Overview of Non-Utility Subsidiaries

General

     KeySpan's principal non-utility subsidiaries are engaged in gas exploration
and production  operations and gas marketing and energy systems installation and
management  services.  Other  subsidiaries  participate  and own  investments in
projects  involving  gas  pipeline and storage  facilities.  The scope of energy
investments is being expanded to include greater participation in

                                9
<PAGE>
international  projects.  The Company's  total  investment in these  businesses,
computed in accordance  with PSC  methodology  as a percentage  of  consolidated
capitalization,  was 18.0%,  13.4% and 14.2% as of September 30, 1997,  1996 and
1995, respectively. For further information regarding the subsidiaries, see Part
II, Item 7.,  "Management's  Discussion and Analysis of Financial  Condition and
Results  of   Operations",   Part  II,  Item  8.,   "Financial   Statements  and
Supplementary  Data  -  Note  10  to  the  Consolidated   Financial  Statements,
'Supplemental Gas and Oil Disclosures'".

Gas Exploration and Production Subsidiary

     The Houston  Exploration  Company (THEC) is an independent  natural gas and
oil company engaged in the exploration,  development and acquisition of domestic
natural gas and oil  properties.  THEC's  properties  are located in the Gulf of
Mexico,  Texas,  the  Arkoma  Basin and  Appalachia.  In  September  1996,  THEC
completed the initial public offering of 8,037,000 shares of its common stock at
an  offering  price of $15.50 per share.  The  offering  reduced  the  Company's
ownership  from  100% to  approximately  66%.  THEC is a  registrant  under  the
Securities Act of 1933 and Securities  Exchange Act of 1934. Its commission file
number is 001-11899 (See Part II, Item 7., "Managements  Discussion and Analysis
of  Financial  Condition  and  Results  of  Operations  - 'Gas  Exploration  and
Production'".)  Total gas  production was  approximately  46.3 BCFe (one billion
cubic feet of gas including oil equivalent  volumes)  during fiscal 1997 and net
proved gas  reserves at  September  30, 1997 were  approximately  321 BCFe.  For
information  concerning the gas and oil  exploration,  development and producing
activities  of the  Company's  subsidiaries,  see Part II,  Item 8.,  "Financial
Statements  and  Supplementary  Data,  - Note 10 to the  Consolidated  Financial
Statements, 'Supplemental Gas and Oil Disclosures'".

Marketing

     KeySpan Energy Services Inc. (KES),  formed in April 1996,  markets gas and
arranges for  transportation  and related  services  largely to retail customers
including those served by the Company's gas distribution subsidiary.

     KeySpan Energy  Management Inc. (KEM),  formed in October 1996,  provides a
variety  of  technical  and  maintenance  services  to  customers  that  operate
commercial and industrial  facilities located primarily within the New York City
metropolitan area. During the year, KEM acquired a well-established  engineering
firm and a major heating, ventilation and air conditioning contractor.

     Prior to 1997,  gas  marketing  activities  were based in Houston Texas and
conducted on a wholesale level by a separate subsidiary  operating under a joint
venture with a subsidiary of a major independent oil and gas producer.  In 1996,
the Company's subsidiary sold its interest in the joint venture.

                               10
<PAGE>
Equity Investments in Energy Services

Pipeline Storage and Other

     A  subsidiary,  North East  Transmission  Co.,  Inc.  (NETCO)  owns a 19.4%
interest in the Iroquois Gas  Transmission  System L.P.  (Iroquois),  a 374-mile
pipeline that currently transports approximately 910 MDTH of Canadian gas supply
daily to markets in the  northeastern  United States.  Brooklyn Union  currently
receives up to 70 MDTH of gas per day through Iroquois.

     Through a subsidiary, the Company has equity investments in two gas storage
facilities located in New York State.

     During fiscal 1997,  the Company's  Canadian  subsidiary  sold its residual
interests in certain Canadian gas processing properties for an after-tax gain of
$3.3 million.

     Also in fiscal 1997, KeySpan International Ltd. acquired 24.5% interests in
Phoenix  Natural  Gas in  Belfast,  Northern  Ireland  and The  Premier  Transco
Pipeline.  Phoenix is refurbishing  and expanding the  distribution  system that
serves Belfast and surrounding areas.  Premier,  an 84-mile pipeline to Northern
Ireland from southwest Scotland, is supplying Phoenix and a 1,080 megawatt power
station in Ballylumford.

Cogeneration

     Gas Energy  Inc.  (GEI)  participates  in the  development,  operation  and
ownership  of  cogeneration  projects.  A GEI  subsidiary  is a 50% partner in a
100-megawatt  cogeneration  facility at John F.  Kennedy  International  Airport
(JFK) in Queens, New York. This facility commenced  operations in 1995. GEI owns
an 11.3% interest in a 174-megawatt gas cogeneration  plant located in Lockport,
New York. An affiliate is a 50% partner in a 40-megawatt  cogeneration  facility
that serves the State University of New York at Stony Brook, Long Island,  which
commenced  operations  in  1995,  and  is a 45%  partner  in a  50-megawatt  gas
cogeneration  plant that has been producing heat and power at a Northrop Grumman
facility located in Bethpage, Long Island, New York.

     The   scope   of   cogeneration    activities   also   includes   providing
fuel-management  services.  GEI  subsidiaries  provide such services to the JFK,
Stony Brook and Northrop Grumman facilities and to another 50-megawatt facility.
In 1997, these  subsidiaries,  as fuel managers,  provided 14,000 MDTH of gas to
these cogeneration projects.


     During fiscal 1997, a fuel  management  operation was sold for an after-tax
gain of $4.5 million. In addition, subsidiaries are in the process of finalizing
the sale of domestic  cogeneration  investments  and remaining  fuel  management
operations. The gain

                              11
<PAGE>
will be  recorded  on  closing,  which is  expected  to take  place in the first
quarter of fiscal 1998.

                                   Employees

     The Company and its  subsidiaries  employed  2,813 full time  employees  at
September 30, 1997, compared to 3,168 at September 30, 1996.

Item 2.   Properties

General

     The Company is an occupant in a building leased by Brooklyn Union. Brooklyn
Union leases its  corporate  headquarters  at One  MetroTech  Center in downtown
Brooklyn.  The lease  agreement  has a  remaining  term of 14 years and  renewal
options.  The Company and its  subsidiaries own or lease certain other buildings
and facilities for use in the conduct of their  business.  The Company's  future
minimum lease payments are approximately $15 million per year.

Capital Expenditures

     In fiscal 1997,  consolidated capital expenditures were $ 284.8 million, of
which  $100.9  million was  primarily  for utility  property  additions,  $125.3
million was related to gas  exploration  and  production  development  and $58.6
million  was  related to equity  investments  in energy  services.  Consolidated
capital  expenditures are estimated to be approximately  $250 million for fiscal
1998.

Gas Distribution Subsidiary

     Brooklyn Union holds  franchises to lay gas mains in the streets,  highways
and public places in the Boroughs of Brooklyn and Staten Island,  and the former
Second and Fourth  Wards of the Borough of Queens.  Brooklyn  Union has consents
and permits which, with immaterial exceptions, give it the right to carry on its
utility  operations,  substantially as now carried on, in the territory  served.
The  franchises  are unlimited in duration,  except that a franchise to transmit
and  distribute  gas in the former  Fifth Ward of the  Borough of Staten  Island
expires in 2006. Gas sales  revenues in the former Fifth Ward are  approximately
2.3% of the total gas sales revenues of Brooklyn Union.

     As  of  September  30,  1997,  the  utility  distribution  pipeline  system
consisted of  approximately  1,979 miles of cast iron main, 1,680 miles of steel
main and 331 miles of mains  with  plastic  inserts,  with  requisite  accessory
regulating stations.  The distribution system for the most part is located under
public streets.


                             12
<PAGE>
     Brooklyn  Union owns and operates an LNG plant,  located at its  Greenpoint
Energy Center in Brooklyn, to liquefy and store gas during the summer months for
vaporization and use during the winter months. This plant has a storage capacity
of 1,660 MDTH of natural gas in liquid form and a  vaporization  capacity of 291
MDTH per day.

Properties of Other Subsidiaries

     Principal   consolidated   properties  of  other   subsidiaries  and  their
affiliates  include  interests in gas and oil  leasehold  properties,  producing
wells and related equipment and structures.  For information  concerning the gas
exploration, production and processing activities of the Company's subsidiaries,
see Part II, Item 8., "Financial Statements and Supplementary Data, - Note 10 to
the "Consolidated Financial Statements, 'Supplemental Gas and Oil Disclosures'".


Item 3.   Legal Proceedings

      For information regarding environmental matters affecting the Company, see
Part II, Item 7.,  "Management's  Discussion and Analysis of Financial Condition
and  Results of  Operations  -  'Environmental  Matters'"  and Part II, Item 8.,
"Financial  Statements  and  Supplementary  Data,  - Note 8 to the  Consolidated
Financial Statements, 'Environmental Matters'".

Item 4.   Submission of Matters to a Vote of Security Holders

      At a special  shareholder  meeting held on August 7, 1997,  Brooklyn Union
shareholders  approved the reorganization of Brooklyn Union and its subsidiaries
into a holding company structure under the name KeySpan Energy Corporation. Also
during this  meeting,  shareholders  approved the Agreement and Plan of Exchange
and Merger  pursuant  to which  KeySpan  and LILCO  would  become  wholly  owned
subsidiaries of a new holding company. (See Part I, Item 1., "Business".)

Part II

Item 5.   Market for the Registrant's Common Stock and Related
          Security Holder Matters

      The following is  information  regarding the Company's  common stock.  For
additional  information  required by this item, see Part II, Item 6.,  "Selected
Financial Data" and Part II, Item 8.,  "Financial  Statements and  Supplementary
Data, - Note 4 to the Consolidated Financial Statements, 'Capitalization'".

                                 13
<PAGE>
Stock Listings

      The Company's common stock is traded on the New York Stock Exchange (NYSE)
under the trading symbol KSE. The Houston  Exploration  Company's  (THEC) common
stock is traded on the NYSE under the trading  symbol THX.  Daily stock  reports
are carried by most major  newspapers  under the  headings  KeySpan and HoustEX,
respectively.

Dividends

      Quarterly dividends on the Company's common stock have been payable on the
first of February,  May, August and November.  All dividends paid by the Company
are  taxable as  ordinary  income.  The  holding  company  settlement  agreement
approved by the PSC contains  limitations on the level of dividend payments from
Brooklyn  Union to KeySpan based on the  maintenance  of certain  credit quality
ratings. If credit ratings should change  significantly,  KeySpan may be limited
in its ability to pay dividends.

                                14
<PAGE>
<TABLE>
Item 6. Selected Financial Data
<CAPTION>
======================================================================================================
For Year Ended September 30,                1997          1996         1995        1994       1993
======================================================================================================
                                                 (Thousands of Dollars Except Per Share Data)
<S>                                       <C>           <C>          <C>        <C>        <C>
Income Summary
Operating revenues
            Gas sales and transportation  $1,313,928    $1,328,392   $1,130,615 $1,257,720 $1,128,475
            Other retail services             49,755        23,791       21,716     21,918     16,840
            Gas production and other         114,504        79,819       63,953     58,992     60,189
- ------------------------------------------------------------------------------------------------------
Total operating revenues                   1,478,187     1,432,002    1,216,284  1,338,630  1,205,504
Operating expenses
            Cost of gas                      594,185       610,053      446,559    560,657    466,573
            Operation and maintenance        419,764       428,977      385,654    384,734    366,706
            Depreciation and depletion       110,964        79,610       72,020     69,611     64,779
            General taxes                    153,475       143,296      134,718    150,743    144,827
            Federal income tax                57,229        39,508       41,989     40,556     41,413
- ------------------------------------------------------------------------------------------------------
Operating income                             142,570       130,558      135,344    132,329    121,206
Income from equity investments                14,395        13,523        9,458      5,689      1,150
Gain on sale of investments                   13,755        16,160           -         -       20,462
Gain on sale of subsidiary stock                 -          35,437           -         -          -
Write-off of investment in propane company       -             -             -         -      (17,617)
Other, net                                       354        (1,188)         151        700       (465)
Federal income tax expense                    (5,127)      (19,861)         (51)      (142)       (70)
Minority interest in earnings of subsidiary   (6,629)          -             -         -          -
Interest charges                             (44,585)      (51,721)     (53,067)   (51,192)   (48,103)
- ------------------------------------------------------------------------------------------------------
Net income                                   114,733       122,908       91,835     87,384     76,563
Dividends on preferred stock                     292           323          337        351        364
- ------------------------------------------------------------------------------------------------------
Income available for common stock           $114,441      $122,585      $91,498    $87,033    $76,199
======================================================================================================
Financial Summary
Common stock information
            Per share
                Earnings ($)                    2.28          2.48         1.90       1.85       1.73
                Cash dividends declared ($)     1.46          1.42         1.39       1.35       1.32
                Book value, year-end ($)       19.09         18.17        16.94      16.27      15.55
                Market value, year-end ($)    33 3/8        27 7/8       24 5/8     24 7/8     25 3/4
            Average shares outstanding (000)  50,224        49,365       48,211     46,980     44,042
            Shareholders                      30,934        33,320       33,669     35,233     30,925
            Daily average shares traded       90,900        64,500       49,100     42,100     33,100
Capital expenditures ($)                     284,842       302,280      214,006    199,572    204,514
Total assets ($)                           2,497,190     2,289,603    2,116,922  2,029,074  1,897,847
Common equity ($)                            969,043       905,808      826,290    774,236    721,076
Preferred stock, redeemed ($)                   -            6,600        6,900      7,200      7,500
Long-term debt ($)                           745,091       712,013      720,569    701,377    689,300
Total capitalization ($)                   1,714,134     1,624,421    1,553,759  1,482,813  1,417,876
Earnings to fixed charges (times)               4.31          3.99         3.17       3.21       3.19
======================================================================================================
Utility Operating Statistics
Gas data (MDTH)
            Firm gas and
               transportation sales          136,370       142,075      123,356    133,513    128,972
            Other sales                       54,920        42,847       49,910     42,392     25,032
            Maximum daily capacity, yr end     1,285         1,284        1,256      1,256      1,258
            Maximum daily sendout              1,028           994          963      1,022        915
Total active meters (000)                      1,128         1,126        1,125      1,122      1,119
Heating customers (000)                          467           461          454        446        441
Degree days                                    4,715         5,170        4,240      4,974      4,802
            Colder (Warmer) than normal (%)     (1.2)          7.7        (11.2)       3.1        -
======================================================================================================
</TABLE>

                                                    15
<PAGE>
Item 7.   Management's Discussion and Analysis of Financial
          Condition and Results of Operations

Earnings Summary

      In fiscal 1997,  consolidated income available for common stock was $114.4
million, or $2.28 per share,  compared to $122.6 million, or $2.48 per share, in
1996,  and $91.5  million,  or $1.90 per share,  in 1995.  Earnings in all years
reflect   performance  in  major  areas  of  operations  and  investments.   The
consolidated rate of return on average common equity was 12.2% in 1997, 13.6% in
1996,  and  10.9% in 1995.  Consolidated  income  available  for  common  stock,
together with the effect of gains and other non-recurring items, is set forth in
the following summary:

<TABLE>
<CAPTION>
    --------------------------------------------------------------------------
                                         1997       1996        1995
    --------------------------------------------------------------------------
                                            (Thousands of Dollars)
    <S>                                <C>         <C>         <C>
    Income Available for Common Stock

    Utility                            $ 90,540    $ 82,090    $ 78,677
    --------------------------------------------------------------------------
    Gas Exploration and Production
      Operations (before
        reorganization charge)           13,101       7,627       7,843
     Reorganization charge                 -         (7,800)        -
     Gain on sale of subsidiary stock      -         23,034         -
     Gain on sale of Canadian plant        -         10,505         -
    -------------------------------------------------------------------------
                                         13,101      33,366       7,843
    -------------------------------------------------------------------------

    Marketing Activities                 (3,700)      1,396       1,329

    Equity Investments in Energy Services
     Pipeline, storage and other          8,100       5,319         979
     Cogeneration                         6,400         414       2,670
    --------------------------------------------------------------------------
                                         10,800       7,129       4,978
    --------------------------------------------------------------------------
    Consolidated                       $114,441    $122,585    $ 91,498
    --------------------------------------------------------------------------
</TABLE>

Utility

      In 1997,  earnings  from utility  operations  provided an equity return of
13.51%. In the last three years,  income available for common stock from utility
operations  has  benefited  from  additions  of new firm gas heating  customers,
principally  as a result  of  customer  conversions  from  oil to gas for  space
heating in large

                              16
<PAGE>
apartment buildings;  expanded gas sales, transportation and other services both
within the local  distribution  network  and  through  our New York  Market Hub;
development  of  ancillary   revenue  streams  from  expansion  of  services  to
customers; and attainment of cost efficiencies through early retirement programs
and reengineering of operations. The effect on utility revenues of variations in
weather largely was offset by the weather  normalization  adjustment included in
the utility's tariff.

Gas Exploration and Production

      In  1997,  earnings  from  gas  exploration  and  production  reflect  the
large-scale expansion of operations,  primarily in Texas and the Gulf of Mexico,
by The Houston Exploration Company (THEC). The expansion of these operations was
the result of initiatives  taken by the Company last year related to the initial
public  offering of common stock by THEC.  Thus,  consolidated  earnings in 1997
reflect a 66% interest in THEC  compared to a 100% interest in 1996 and 1995. In
addition, THEC operates in the Arkoma Basin and Appalachia.

      In 1996, earnings from gas exploration and production  operations included
a reorganization  charge of $7.8 million, net of federal income taxes,  recorded
by THEC.  Excluding this charge,  operating  results were comparable in 1996 and
1995. Further, earnings in 1996 also included an after-tax gain of $23.0 million
on the  issuance by THEC of  8,037,000  shares of its common  stock in September
1996 in its initial public offering.  Moreover,  earnings  included an after-tax
gain of $10.5 million  realized on the sale of a Canadian gas  processing  plant
during the year.

Marketing Activities

      The Company has realigned  its  non-utility  gas  marketing  operations by
forming two new  subsidiaries,  KeySpan  Energy  Services Inc. (KES) and KeySpan
Energy  Management  Inc. (KEM).  These  subsidiaries,  which are  establishing a
market  presence  primarily in the  Northeast,  incurred  losses  related to the
startup and  development of their  operations.  KES markets gas and arranges for
transportation and related services largely to retail customers  including those
served by the  Company's gas  distribution  subsidiary.  On the other hand,  KEM
provides a variety of  technical  and  maintenance  services to  customers  that
operate  commercial and industrial  facilities  located primarily within the New
York City metropolitan  area.  During the year, KEM acquired a  well-established
engineering  firm  and  a  major  heating,   ventilation  and  air  conditioning
contractor and has integrated  these  businesses  into its strategies for future
growth.  Looking  toward the future,  marketing  operations  will be expanded to
include sales of electricity.

                             17
<PAGE>
      Prior to 1997,  gas  marketing  activities  were  conducted on a wholesale
level by a separate subsidiary operating under a joint venture with a subsidiary
of a major independent oil and gas producer.  In 1996, the Company's  subsidiary
sold its interest in the joint venture.

Equity Investments in Energy Services

      Earnings from equity  investments in energy services are attributable to a
number of factors related to consolidation and expansion of various interests as
the Company further  positions itself to take maximum advantage of opportunities
arising in energy markets.  Earnings in 1997 include after-tax gains on the sale
of assets of $7.8 million.

                    Pipeline, Storage and Other

      Increased  income in all  years  from  pipeline  and  storage  investments
reflects  higher  throughput  on the  Iroquois  Pipeline.  A Company  subsidiary
increased its equity interest in the Iroquois Gas Transmission System, L.P. from
11.4% to 19.4% in 1996. In 1995,  earnings related to Iroquois were reduced by a
provision  for the  Company's  proportionate  share of estimated  costs of legal
matters involving Iroquois.  In 1997, earnings from pipeline,  storage and other
investments  include an after-tax  gain of $3.3  million  related to the sale of
residual  interests  in  certain  Canadian  properties.  This  gain  was  offset
substantially  by  higher  expenses  and  amortizations  related  to new  equity
investments,  such as the  refurbishment  and  expansion  of a gas  distribution
system in Northern Ireland and a transmission  pipeline to Northern Ireland from
Scotland.

                           Cogeneration

      The increase in earnings in 1997 is primarily attributable to an after-tax
gain of $4.5 million from the sale of a fuel management operation.  Subsidiaries
of the  Company  are in the  process of  finalizing  the sale of their  domestic
cogeneration investments and remaining fuel management operations. The gain will
be recorded on closing,  which is expected to take place in the first quarter of
fiscal 1998. Higher fuel prices caused earnings from cogeneration investments to
decrease in 1996.

Sales Volumes and Analysis of Utility Net Revenues

      Firm gas and  transportation  sales  volumes  from utility  operations  in
fiscal 1997 were 136,370 MDTH  compared to 142,075 MDTH in 1996 and 123,356 MDTH
in 1995.  Measured by annual degree days, weather was 1.2% warmer than normal in
1997,  7.7%  colder  than  normal in 1996 and 11.2%  warmer than normal in 1995.
Sales growth in all markets  resulted  primarily from conversions to natural gas
from oil for space heating, especially by large apartment

                               18
<PAGE>
buildings.  In 1997,  the growth in firm sales  normalized  for  weather was 1%,
somewhat lower than that experienced in recent years.

<TABLE>
<CAPTION>
- -----------------------------------------------------------------
                      1997            1996            1995
- -----------------------------------------------------------------
                            (Thousands of Dollars)
 <S>               <C>             <C>             <C>

Composition of Utility Gas Revenues:

Gas and
 Transportation
 Sales             $1,313,928      $1,328,392      $1,130,615

Cost of Gas          (594,185)       (610,053)       (446,559)

- -----------------------------------------------------------------
Net Gas Revenues   $  719,743      $  718,339      $  684,056
- -----------------------------------------------------------------
</TABLE>


      In 1997, slightly lower gas revenues reflected lower customer usage due to
warmer weather,  whereas the opposite occurred in 1996 as higher sales primarily
reflected colder weather.

      During  the year,  gas at the  burner  tip was  competitive  locally  with
alternative grades of fuel oil.  Residential  heating sales in markets where the
competing fuel is No. 2 grade fuel oil and sales to other small-volume customers
were  approximately 75% of firm sales volume in 1997. Demand in these markets is
less  sensitive  to  periodic   differences  between  gas  and  oil  prices.  In
large-volume  heating markets,  gas service is provided under rates that are set
to compete with prices of alternative  fuel,  including No. 6 grade heating oil.
There is  substantial  sales  potential in these  markets,  which  include large
apartment houses,  government buildings and schools.  Competition with other gas
suppliers is expected to continue to increase as a result of  deregulation.  For
additional  information  regarding regulatory directives affecting utility sales
and deregulation, see Part II, Item 7., "Management's Discussion and Analysis of
Financial  Condition and Results of  Operations - 'Utility  Rate and  Regulatory
Matters'".

      Moreover,  a significant  market for off-system gas sales,  transportation
and other services has developed as a result of  deregulation.  Such services to
off-system  customers reflect optimal use of available pipeline capacity,  which
is  affected  by weather,  and our New York  Market Hub in  balancing  on-system
requirements  to core  customers  with  off-system  services to  increase  total
margins.  In  warmer-than-normal  winters,  such as 1997,  service to off-system
customers is higher whereas  on-system  sales,  which generally have higher unit
margins, are comparatively lower.

                                 19
<PAGE>
As a result, in 1997, gas and transportation sales and service to off-system and
interruptible  customers  amounted to 54,920 MDTH  compared  with 42,847 MDTH in
1996.

Gas Production Revenues

      The increase in revenues from gas  production in 1997 was due primarily to
the development of additional  natural gas properties  acquired by THEC in 1996.
In 1997, gas  production,  including oil  equivalents,  was  approximately  46.3
billion cubic feet (BCFe), or 19.0 BCFe above the level of production last year.
In 1997,  wellhead  prices  averaged  approximately  $2.40 per MCF compared with
$2.11 per MCF in 1996 and $1.47 per MCF in 1995.  The effective  price  realized
(average  wellhead price received for production  including  recognized  hedging
gains and losses) was $2.16 per MCF in 1997  compared with $1.82 per MCF in 1996
and  $1.77  per MCF in 1995.  The  effective  price  increased  34 cents in 1997
compared to the  effective  price in 1996 and increased 5 cents in 1996 compared
to 1995.  The effective  price in 1997 included a hedging loss of $10.9 million,
in 1996 a  hedging  loss  of $7.7  million  and in 1995 a  hedging  gain of $6.6
million.  (See  Risk  Management  and  Hedging  below  and,  Part  II,  Item 8.,
"Financial  Statements  and  Supplementary  Data, - Note 10 to the  Consolidated
Financial  Statements,  'Supplemental Gas and Oil Disclosures'",  for additional
information.)

Risk Management and Hedging - Gas Cost and Pricing

      The Company's  utility and gas  exploration  and  production  subsidiaries
employ derivative  financial  instruments,  such as natural gas and oil futures,
options and swaps, for the purpose of managing exposure to commodity price risk.
In  connection  with  utility  operations,  oil and gas  futures are used to fix
margins  on  sales to  large-volume  customers  to which  gas is sold at a price
indexed  to the  prevailing  price  of oil,  their  alternate  fuel.  Derivative
financial  instruments,  primarily options to establish collars, are used in gas
exploration  and  production  operations  to  manage  the risk  associated  with
fluctuations  in the price  received  for  natural  gas  production  in order to
achieve a more  predictable  cash flow.  Hedging  strategies of each company are
independently  managed.  (See  Part  II,  Item  8.,  "Financial  Statements  and
Supplementary  Data,  -  Note  7B  to  the  Consolidated  Financial  Statements,
'Derivative Financial Instruments'", for additional information.)

      The cost of gas for utility  customers,  $594.2 million in 1997, was $15.9
million,  or 2.6% lower than in 1996.  The lower cost of gas reflects lower firm
sales due to warmer weather offset by higher average gas costs.  The cost of gas
in 1995 was $446.6  million  reflecting  lower  volumes  sold and lower  average
prices,  both of which were  primarily  the result of very warm  weather in that
year. The cost of gas for firm customers was $4.19 per DTH

                               20
<PAGE>
(one DTH  equals 10  therms)  in 1997,  compared  with $3.49 per DTH in 1996 and
$3.12 per DTH in 1995.  In fiscal  1997,  the  utility's  cost of gas included a
hedging loss of $6.0 million related to its margin fixing strategy compared to a
hedging loss of $1.7 million in 1996.

Expenses, Other Income and Preferred Dividends

      Operation and  maintenance  expense in all years reflects  ongoing utility
cost reduction efforts. In June 1997, the Company's utility subsidiary completed
an early  retirement  program in which 274 employees  participated and a related
expense of $22 million was charged to  operations.  As a result of this  program
and work  process  reengineering  initiatives,  the number of full time  Company
employees  was  reduced  by more  than 10%  during  the year.  Further,  utility
operation and maintenance expense was lower in 1997 due to warmer weather.  Also
in 1997,  consolidated  operation and maintenance expense reflects the effect of
the substantial expansion of gas exploration and production operations by THEC.

      The increase in operation  and  maintenance  expense in 1996  reflects the
effect of colder  weather on utility  operations and the  reorganization  charge
incurred by THEC. The resulting reorganization expense of $12.0 million reflects
remuneration  paid as part of a  reorganization  of  exploration  and production
operations.  Moreover,  consolidated operation expense in 1996 and 1995 included
costs related to Canadian gas processing  operations,  which ceased in July 1996
when the plant was sold.

      The increases in depreciation and depletion  expense in 1997 and 1996 were
primarily  due to the large  increase in gas  production  during the years.  Gas
production  in 1997 was 46.3 BCFe compared to 27.3 BCFe in 1996 and 22.7 BCFe in
1995. Moreover,  depreciation expense reflects utility property additions in all
years.

      General taxes principally include state and city taxes on utility revenues
and  property.  The  applicable  property  base  and tax  rates  generally  have
increased.  Taxes based on revenues  reflect the variations in utility  revenues
each year.

      Federal  income  tax  expense  in all years  reflects  changes  in pre-tax
income. In 1997, it also reflects the  non-deductibility of certain organization
expenses.

      The  increase in  earnings  from  equity  investments  in 1997 and 1996 is
primarily  due to the increase in earnings  from  Iroquois.  The gain on sale of
investments  in 1997 includes  gains,  before income taxes,  of $8.5 million and
$5.3  million  related to sales of a fuel  management  operation  and a residual
interest in a Canadian  energy  investment,  respectively.  In 1996, the gain of
$16.2  million,  before income taxes,  was related to the sale of a subsidiary's
interest in a Canadian gas processing plant.

                                21
<PAGE>
      Interest  charges on long-term debt in each of the last three fiscal years
generally reflect higher average subsidiary  borrowings and lower interest rates
on utility gas  facilities  revenue  bonds because of variable rate features and
refinancing of debt. In fiscal 1996,  interest  charges  reflected lower utility
interest costs also due to debt refinancing. Other interest expense in all years
primarily reflects accruals of carrying charges related to regulatory settlement
items and, in 1997,  includes expense related to commercial paper borrowings for
general corporate  purposes.  There were no commercial paper borrowings in prior
years.

      On September 10, 1997,  Brooklyn Union redeemed all outstanding  shares of
its 4.60% Cumulative Preferred Stock, Series B, $100 par value at the redemption
price of $102.00  per share,  plus  $0.1278 per share  representing  accrued and
unpaid dividends.  Prior to the redemption,  dividends reflect reductions in the
number of shares outstanding due to sinking fund requirements.

Capital Expenditures

      Consolidated  capital  expenditures  were $284.8  million in 1997,  $302.3
million in 1996 and $214.0 million in 1995.

      Capital  expenditures related to utility operations were $100.9 million in
1997, $110.8 million in 1996 and $108.7 million in 1995. Utility expenditures in
all  years  principally  were for the  renewal  and  replacement  of  mains  and
services.

     Capital expenditures  related to gas exploration and production  activities
were $125.3  million in 1997,  $169.0 million in 1996 and $83.0 million in 1995.
Expenditures in 1997 reflect,  in part, costs related to development of property
additions  acquired in 1996.  Expenditures in 1996 reflect major acquisitions of
gas and oil reserves in South Texas and the Gulf of Mexico,  as well as on-going
exploration and development activities. Net proved gas reserves at September 30,
1997 were approximately 321 BCFe. These reserves are located primarily off-shore
in the Gulf of Mexico, and on-shore in Texas and the Arkoma Basin.

      Capital expenditures related to equity investments in energy services were
$58.6  million  in 1997,  $22.5  million  in 1996  and  $22.3  million  in 1995.
Expenditures in 1997 included $49.1 million of equity  investments for interests
of 24.5% in a gas distribution system in and a transmission pipeline to Northern
Ireland.  The gas  distribution  system is being  refurbished and expanded.  The
balance  is  related  to  certain  other  acquisitions.  Expenditures  in  1996,
primarily were for acquisition of an additional  interest in Iroquois.  Also, in
1996,  the  cogeneration  plant at John F.  Kennedy  International  Airport  was
refinanced and cash flows from investing activities included a return of capital
from the proceeds. In 1995,  expenditures were primarily related to construction
of cogeneration projects.

                              22
<PAGE>
      Moreover,  in July 1997, the Company invested $30 million representing its
50% share as a limited partner in a limited  partnership with LILCO in which the
Long Island Power Authority  (LIPA) is the general  partner.  The purpose of the
partnership  is to finance an  investment in interest rate swap options in order
to hedge exposure of LIPA to risks related to higher  interest rates on its debt
to be  issued in  connection  with its  transaction  with  LILCO.  This has been
recorded as deferred charges in the Consolidated  Balance Sheet and is reflected
as  partnership   investment  in  the  investing   activities   section  in  the
Consolidated   Statement  of  Cash  Flows.  The  partnership  will  recover  its
investment plus carrying charges when the LIPA transaction is consummated.  (See
Part II, Item 8., "Financial  Statements and Supplementary Data, - Note 9 to the
Consolidated  Financial  Statements,  'Combination  with  Long  Island  Lighting
Company (LILCO Transaction)'", for additional information.)

      Consolidated  capital  expenditures  for fiscal 1998 are  estimated  to be
approximately $250 million, including $110 million related to utility activities
and $125 million for oil and gas exploration and development.  The level of such
expenditures  is  reviewed  on an ongoing  basis and can be  affected by timing,
scope and changes in investment opportunities.

Financing

      Cash  provided by  operating  activities  continues  to be strong and is a
substantial source for financing ongoing capital  expenditures.  The increase in
cash flow from operating activities of $25.7 million in 1997 as compared to 1996
is largely attributable to higher utility net revenues and operating margins, as
well as the significant increase in gas production of THEC.

      Proceeds from common stock issued through  employee and shareholder  stock
purchase plans have provided additional equity of approximately $22.6 million in
1997, $27.4 million in 1996 and $28.0 million in 1995.

      In September 1996, THEC issued  8,037,000 shares of its common stock in an
initial public  offering,  providing net proceeds of $101.0 million,  which were
used to pay down debt and to complete the financing of gas reserve  acquisitions
and property additions.

       In January 1997, Brooklyn Union refunded $125.0 million of Gas Facilities
Revenue Bonds,  including a $62.5 million series of 7% bonds and a $62.5 million
series of 7 1/8%  bonds.  Both series  were  called for  redemption  at optional
redemption  prices  equal  to 102% of the face  amount  per  bond  plus  accrued
interest.  The $125.0 million refunding series,  which matures in December 2020,
was issued with a variable  coupon rate that is reset weekly.  The interest rate
on these bonds ranged from 2.89% to 4.10%  through  September  30, 1997 at which
time the rate was 3.98%. In 1996,

                              23
<PAGE>
$153.5 million of Gas  Facilities  Revenue Bonds was refinanced at rates of 5.5%
per year.

      During the year,  THEC  increased  its  borrowings  by  approximately  $33
million to finance a portion of its  capital  expenditures.  THEC is planning on
issuing $150 million of bonds  through a private  placement  depending on market
conditions and interest rates. The proceeds from such issuance would be used, in
part, to pay down obligations for borrowings under its revolving loan agreement.
The  bonds if  issued,  would be  subordinate  to  borrowings  under the line of
credit.

      On September  10, 1997,  Brooklyn  Union  redeemed all 66,000  outstanding
shares  of its  4.60%  Cumulative  Preferred  Stock  Series  B at  the  optional
redemption  price of  $102.00  per share  plus  $0.1278  per share  representing
accrued and unpaid dividends.

      At September 30, 1997, the consolidated  annualized cost of long-term debt
was 5.8%, compared to 6.3% in 1996 and 7.1% in 1995.

Dividends

      In December  1996,  the Board of Directors  authorized  an increase in the
annual  dividend on common  stock to $1.46 per share from $1.42 per share.  This
increase became  effective on February 1, 1997, when the quarterly  dividend was
raised to 36 1/2 cents per share from 35 1/2 cents per share.  Common  dividends
have been increased in 21 consecutive years and paid continuously for 49 years.

      The Amended and  Restated  Agreement  and Plan of Exchange and Merger with
Long  Island  Lighting  Company  (Amended  LILCO  Agreement)   contains  certain
covenants  of the parties  pending the  consummation  of the LILCO  Transaction.
Generally,  the parties must carry on their  businesses  in the ordinary  course
consistent  with past practice.  Moreover,  pursuant to the PSC Order related to
Brooklyn Union's  reorganization  under the holding company structure,  Brooklyn
Union's  ability to pay  dividends to the Company is limited to varying  degrees
upon  maintenance  of certain credit quality  ratings.  The principal  source of
funding for the Company is dividend  payments from Brooklyn  Union.  The Company
and LILCO expect to continue their respective  current  dividend  policies until
completion  of the LILCO  Transaction.  It is  anticipated  that the new holding
company,  will set an  initial  annual  dividend  rate of $1.78 per share of its
common stock, subject to similar conditions presently applicable to the Company.
(See Part II, Item 8., "Financial Statements and Supplementary Data, - Note 9 to
the Consolidated  Financial  Statements,  'Combination with Long Island Lighting
Company (LILCO Transaction)'", for additional information.)

                                24
<PAGE>
Financial Flexibility and Liquidity

      At September 30, 1997, the Company had cash and temporary cash investments
of $36.9 million and available bank lines of credit of $100 million, which lines
secure  the  issuance  of  commercial  paper.  The  lines of  credit,  which are
available to the Company and its  principal  subsidiary,  Brooklyn  Union,  were
increased to $150 million in October  1997.  At September  30, 1997,  there were
$64.2  million in short-term  borrowings  outstanding  at an annualized  rate of
5.60%.  The  borrowings  have  been  used for  general  corporate  purposes.  In
addition, subsidiaries have lines of credit totaling $160 million, which for the
most part support borrowings under revolving loan agreements. (See Part II, Item
8., "Financial  Statements and Supplementary Data, - Note 4B to the Consolidated
Financial Statements,  'Debt of Subsidiaries' and Note 5 'Short-Term Debt'", for
additional information.)

      At  September  30, 1997,  the common  equity  component  of the  Company's
capitalization was 56.5% compared to 55.8% in 1996.

      Fixed charge  coverage  ratios were 4.31 times in 1997, 3.99 times in 1996
and 3.17 times in 1995.

Utility Rate and Regulatory Matters

                 Proposed LILCO Transaction

      In 1997,  the Company and LILCO filed a joint  petition  with the New York
State Public Service Commission (PSC) seeking PSC approval,  under section 70 of
the New York Public Service Law, of the LILCO Agreement by which the Company and
LILCO each would become  subsidiaries  of a  newly-formed  holding  company.  In
addition,  the petition calls for $1.0 billion of estimated  efficiency savings,
excluding gas cost,  attributable to operating synergies that are expected to be
realized  over the 10 year period  following  the  combination,  be allocated to
ratepayers net of transaction costs for the combination,  presently estimated to
be approximately $260 million. In the petition, the companies also requested the
PSC to otherwise  confirm  Brooklyn  Union's rate plan that became  effective in
October 1996 pursuant to the holding  company  settlement  agreement,  and LILCO
requested the PSC to adopt the long term electric rate plan proposed by LILCO in
September 1996 in a pending LILCO rate proceeding,  and to adopt a long term gas
rate plan proposed in the petition. (See Part II, Item 8., "Financial Statements
and  Supplementary  Data,  - Note 9 to the  Consolidated  Financial  Statements,
'Combination  with  Long  Island  Lighting  Company  (LILCO   Transaction)'",for
additional  information.)  It is currently  anticipated that the PSC will act on
the joint petition in early calendar year 1998.

                                25
<PAGE>
                 Rate Settlement Matters

      In  September  1996,  the  PSC  granted   Brooklyn   Union's  petition  to
restructure into a holding  company.  The PSC's holding company order approved a
settlement agreement among Brooklyn Union, the Staff of the Department of Public
Service and several intervenor parties. This agreement contains restrictions and
limitations  on certain  investments  by  KeySpan,  limitations  on the level of
dividend  payments from Brooklyn  Union to KeySpan under certain  circumstances,
prohibitions  on  certain  intercompany  loans,   guarantees  and  pledges,  and
restrictions on transactions among the affiliated holding company group.

      The settlement  agreement  reached in connection  with the holding company
proceeding  included a new  multi-year  rate plan for Brooklyn Union that became
effective on October 1, 1996.  After an initial rate reduction of  approximately
$3.5 million in fiscal  1997,  the non-gas  component in customer  bills will be
under  specific  price caps.  The total  amount of this  component in rates that
Brooklyn Union can charge customers, in the aggregate,  will remain constant for
the subsequent five years with certain limited exceptions.

      In September  1995 and October  1994,  the PSC approved  Brooklyn  Union's
filings that provided for no rate increase;  however,  deferred  credits of $7.5
million and $1.3 million were amortized to income in each year, respectively.

                         Appliance Service

      On April 4, 1997,  the PSC issued its "Order  Concerning Gas Appliance and
Repair Service" by which it determined that non-safety  related appliance repair
service, other than minor adjustments,  should not be performed by regulated gas
utilities.

      In compliance with the order,  Brooklyn Union filed tariff  revisions with
the  PSC,  which  became  effective  on  October  1,  1997,  and  also  filed an
application  seeking  PSC  approval to transfer  certain  assets  related to the
conduct of the non-safety related appliance repair business to a subsidiary that
would  conduct and carry on that business  after the PSC's  approval is secured.
PSC approval is pending at this time.

                    Customer Fixed Price Option

      On June 5, 1997,  the PSC issued an order  entitled  "Order  Requiring the
Filing of Proposals to Ameliorate Gas Price Volatility and Requesting  Comments"
(Order).  The Order requires each New York State local  distribution  company to
submit proposals for a fixed price option to be available for use by customers
effective with the 1997-98 heating season.

                               26
<PAGE>
      As a result of this Order, Brooklyn Union will make available to gas sales
customers, except residential non-heating customers, seasonal off-peak and large
volume customers,  a fixed price option, during the period December 1997 through
April  1998.  Any  incremental  costs  that may be  incurred  as a result of the
program will be recovered from customers in the following year.

                 Industry Restructuring Proceedings

      The PSC has set forth a policy  framework to guide the  transition  of New
York  State's  gas  distribution   industry  in  the  deregulated  gas  industry
environment. In March 1996, the PSC issued an order on utility compliance tariff
filings, related to this framework.

      Pursuant  to  this  order,  beginning  on May 1,  1996,  customers  in the
small-volume  market were given the option to purchase  their gas supplies  from
sources other than Brooklyn Union, the gas transporter.  Large-volume  customers
had this  option for a number of years.  In addition  to  transporting  gas that
customers purchase from marketers, utilities will provide billing, meter reading
and other  services  for  aggregate  rates  that match the  distribution  charge
reflected in otherwise applicable sales rates to supply these customers. The PSC
order placed a voluntary limit on the amount of gas a utility would be obligated
to transport in its core market under  aggregation  programs to 5% of total core
sales in each of the next three years,  with no more than 25% of any one service
class permitted to convert to transportation service.

      On September 4, 1997,  the Staff of the PSC issued a Staff  Position Paper
entitled "The Future of the Natural Gas Industry"  (Position Paper). The purpose
of the study was to identify  and propose  resolutions  to existing and emerging
issues in a manner  consistent  with evolving  industry  trends and  competitive
forces.  The fundamental  conclusion reached by Staff is that the most effective
way to  establish a  competitive  gas market is to  separate  the  merchant  and
distribution  functions.  The retail gas merchant  function would be, in Staff's
view,  provided by  non-regulated  entities  and LDC's  would no longer  provide
retail sales  services.  Staff  believes that a five year period would be needed
for LDC's to  transition  out of the merchant  function.  During the  transition
period LDC's would continue to provide the bulk of the merchant function.

      Brooklyn Union is not philosophically  opposed to the recommendations made
in the Position Paper and has forwarded  recommendations  to the PSC. PSC action
is not expected until all comments are evaluated.

                               27
<PAGE>
Environmental Matters

      The  Company  is  subject  to  various  Federal,  state and local laws and
regulatory programs related to the environment.  These environmental laws govern
both the normal,  ongoing  operations  of the  Company's  subsidiaries,  and the
cleanup of historically  contaminated  properties used in utility  operations of
the past. Ongoing environmental  compliance activities,  which historically have
not been material, are integrated with operations and maintenance activities. As
of September  30, 1997,  the Company had an accrued  liability of $26.8  million
representing  costs  associated  with  investigation  and remediation at certain
former  manufactured  gas  plant  sites.  (See  Part  II,  Item  8.,  "Financial
Statements  and  Supplementary  Data,  - Note 8 to  the  Consolidated  Financial
Statements, 'Environmental Matters'", for additional information.)

Computer Software, Year 2000 Issue

      The  Company  has  evaluated  the  extent  to which  modifications  to its
computer  software and database will be necessary to accommodate  the year 2000.
The  Company's  computer  systems  are  generally  based on two  digits and will
require  some  additional   programming  to  recognize  the  start  of  the  new
millennium.  In 1996, the Emerging Issues Task Force of the Financial Accounting
Standards  Board reached a consensus,  EITF Issue No.  96-14,  that internal and
external costs  specifically  associated  with modifying  internal-use  computer
software for the year 2000 should be charged to expense as incurred. The Company
estimates the cost of future  modifications,  which are expected to be made over
the next two years, to be approximately $2.5 million.

Forward-Looking Statements

      This  report  contains  forward-looking  statements  within the meaning of
Section 21E of the Securities  Exchange Act of 1934 as amended.  As such,  final
results  could  differ from  estimates or  expectations  due to factors such as,
information  currently  available  is  preliminary  and  incomplete,  government
regulation  and policies may change from that  anticipated  in present  business
decisions  and  market  prices  for  energy  commodities,  securities  and other
financial  instruments may change to a degree that existing plans may have to be
substantially  revised.  For  any of  these  factors,  the  Company  claims  the
protection of the safe harbor for  forward-looking  statements  contained in the
Private Securities Litigation Reform Act of 1995, as amended.

New Financial Accounting Standards

During Fiscal 1997, the Financial Accounting Standards Board issued
the following accounting standards:  Statement of Financial
Accounting Standards No. 128, "Earnings per Share" (SFAS No. 128);
Statement of Financial Accounting Standards No. 130, "Reporting

                                28
<PAGE>
Comprehensive Income" (SFAS No. 130); and Statement of Financial
Accounting Standards No. 131, "Disclosures about Segments of an
Enterprise and Related Information" (SFAS No. 131).  The Company
will adopt SFAS No. 128 in the fiscal year beginning October 1,
1997 and SFAS No. 130 and SFAS No. 131 in the fiscal year beginning
October 1, 1998.  The Company does not expect any material effect
from adoption of these statements.


                                29
<PAGE>
Item 8.   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 solely 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.


                              30
<PAGE>
REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To KeySpan Energy Corporation:

      We  have  audited  the   accompanying   Consolidated   Balance  Sheet  and
Consolidated  Statement of Capitalization  of KeySpan Energy  Corporation (a New
York  corporation)  and  subsidiaries as of September 30, 1997 and 1996, and the
related Consolidated  Statements of Income, Retained Earnings and Cash Flows for
each of the three years in the period ended September 30, 1997.  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 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 and capitalization of KeySpan
Energy  Corporation and  subsidiaries as of September 30, 1997 and 1996, and the
results of their  operations and their cash flows for each of the three years in
the period ended  September  30, 1997,  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


October 22, 1997
New York, New York


                               31
<PAGE>
Summary of Significant Accounting Policies and Basis for Financial
Statement Presentation


Reorganization

      On August 7, 1997, Brooklyn Union shareholders approved the reorganization
of Brooklyn Union and its  subsidiaries  into a holding company  structure under
the name KeySpan Energy  Corporation.  The  reorganization was accomplished by a
share  exchange  through  which each share of Brooklyn  Union  common  stock was
converted into one share of KeySpan  common stock.  Brooklyn Union will continue
to operate its present utility business as a wholly-owned subsidiary of KeySpan.
The  reorganization  was  effective on September  29, 1997 and the  Consolidated
Financial Statements reflect the establishment of KeySpan.


Principles of Consolidation

      The Consolidated  Financial Statements reflect the accounts of the Company
and its subsidiaries.  All significant intercompany transactions are eliminated.
All  other   adjustments  are  of  a  normal,   recurring   nature  and  certain
reclassifications  have been made to  amounts in prior  periods to conform  them
with the current period presentation.

      Further,  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.


Utility Gas 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.

      Depreciation is provided on a straight-line basis in amounts equivalent to
composite  rates on average  depreciable  property of 3.7% in 1997,  and 3.4% in
1996 and 1995.

      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.

                               32
<PAGE>
Gas Exploration and Production Property - Depletion
and Depreciation

      The full cost method of accounting is used in  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 writedown of excess  costs is  required,  it would
result in a charge to  earnings  but would not have an impact on cash flows from
operating activities.

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


Equity Investments in Energy Services

      Certain   subsidiaries   own  as  their   principal   assets   investments
representing  ownership  interests of 50% or less in  energy-related  businesses
that are accounted for under the equity method. Certain cogeneration investments
are expected to be sold in early fiscal 1998.


Revenues

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

      Gas costs are recovered as incurred when billed to firm customers  through
the  operation of a tariff  provision,  the Gas  Adjustment  Clause  (GAC).  Net
revenues  from  off-system  gas sales and  tariff  gas  balancing  services  and
capacity  release  credits  are  refunded to firm  customers  subject to certain
sharing  provisions in Brooklyn  Union's tariff.  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.

                               33
<PAGE>
Derivative Financial Instruments

      The  Company's   utility  and  oil  and  gas  exploration  and  production
subsidiaries use derivative financial  instruments  primarily to hedge exposures
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 may strongly  influence  the selling  price for natural  gas.  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 well 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.


Federal Income Tax

      Prior to adoption of SFAS-109,  "Accounting for Income Taxes", pursuant to
PSC policy,  deferred  taxes were not  provided for certain  construction  costs
incurred  before fiscal 1988 and for bases  differences  related to  differences
between tax and book depreciation methods. In accordance with SFAS-109, Brooklyn
Union  recorded a regulatory  asset for the net  cumulative  effect of having to
provide deferred  Federal income tax expense on all differences  between the tax
and book bases of assets and liabilities at the current tax rate.

      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  life of the  related
property.


Regulatory Assets

      Brooklyn  Union is 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  are
recognized in accordance with SFAS-71.  With the exception of net tax regulatory
assets,  all other assets and liabilities  created by the ratemaking process are
immaterial.  At September  30,  1997,  there was a net tax  regulatory  asset of
$70,457,000 compared to $74,885,000 at September 30, 1996.

                               34
<PAGE>
      In the event that it were no longer  subject to the provisions of SFAS-71,
the Company  estimates that the write-off of this net tax regulatory asset could
result in a charge to net income of  approximately  $45,797,000,  which would be
classified as an extraordinary item.


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.


Research and Development Costs

      All research and development costs are expensed as incurred. For the years
ended  September 30, 1997, 1996 and 1995,  these costs were $8.9 million,  $12.8
million and $11.9 million, respectively.

                               35
<PAGE>

<TABLE>
KEYSPAN ENERGY CORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENT OF INCOME

<CAPTION>
===========================================================================

For the Year Ended September 30,            1997       1996       1995
===========================================================================

                                              (Thousands of Dollars)
<S>                                      <C>        <C>        <C>
Operating Revenues
Gas sales and transportation             $1,313,928 $1,328,392 $1,130,615
Other retail services                        49,755     23,791     21,716
Gas production and other                    114,504     79,819     63,953
- ---------------------------------------------------------------------------
                                          1,478,187  1,432,002  1,216,284
- ---------------------------------------------------------------------------

Operating Expenses
Cost of gas                                 594,185    610,053    446,559
Operation and maintenance                   419,764    428,977    385,654
Depreciation and depletion                  110,964     79,610     72,020
General taxes                               153,475    143,296    134,718
Federal income tax (See Note 1)              57,229     39,508     41,989
- ---------------------------------------------------------------------------
Operating Income                            142,570    130,558    135,344
Other Income (Expense)
Income from equity investments               14,395     13,523      9,458
Gain on sale of investments                  13,755     16,160         -
Gain on sale of subsidiary stock                  -     35,437         -
Other, net                                      354     (1,188)       151
Federal income tax (See Note 1)              (5,127)   (19,861)       (51)
Minority interest in earnings of subsidiary  (6,629)        -          -
- ---------------------------------------------------------------------------

Income Before Interest Charges              159,318    174,629    144,902
Interest Charges
   Long-term debt                            38,514     46,803     47,939
   Other                                      6,071      4,918      5,128
- ---------------------------------------------------------------------------
Net Income                                  114,733    122,908     91,835
Dividends on Preferred Stock                    292        323        337
- ---------------------------------------------------------------------------
Income Available for Common Stock          $114,441   $122,585    $91,498
- ---------------------------------------------------------------------------
Earnings Per Share of Common Stock
 (Average shares outstanding of 50,223,792,
   49,365,435 and 48,211,220, respectively)   $2.28      $2.48      $1.90
===========================================================================
</TABLE>


<TABLE>
KEYSPAN ENERGY CORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENT OF RETAINED EARNINGS

<CAPTION>
===========================================================================
For the Year Ended September 30,             1997       1996       1995
===========================================================================

                                                (Thousands of Dollars)
<S>                                        <C>        <C>        <C>
Balance at Beginning of Year               $355,973   $303,709   $279,466
Income Available for Common Stock           114,441    122,585     91,498
- ---------------------------------------------------------------------------
                                            470,414    426,294    370,964
Less:
 Cash dividends declared ($1.46, $1.42
  and $1.39 per common share, respectively)  73,478     70,291     67,229
 Other adjustments                              350         30         26
- ---------------------------------------------------------------------------
Balance at End of Year                     $396,586   $355,973   $303,709
===========================================================================

 The accompanying Summary of Significant Accounting Policies and Basis for
 Financial Statement Presentation and Notes to Consolidated Financial
 Statements are integral parts of these statements.
</TABLE>

                                                          36
<PAGE>

<TABLE>
KEYSPAN ENERGY CORPORATION AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEET

<CAPTION>
======================================================================================================
September 30,                                                   1997                       1996

======================================================================================================
                                                                     (Thousands of Dollars)
<S>                                                     <C>                        <C>
Assets

Property
  Utility, at cost                                       $     1,848,817            $     1,782,440
  Accumulated depreciation                                      (458,089)                  (429,476)
  Gas exploration and production, at cost                        636,312                    510,568
  Accumulated depletion                                         (216,423)                  (165,414)
- ------------------------------------------------------------------------------------------------------
                                                               1,810,617                  1,698,118
- ------------------------------------------------------------------------------------------------------
Equity Investments in Energy Services                            166,833                    115,529

Current Assets
  Cash and temporary cash investments                             36,912                     41,921
  Accounts receivable                                            174,321                    172,843
  Allowance for uncollectible accounts                           (14,444)                   (15,616)
  Gas in storage, at average cost                                 94,695                     91,813
  Materials and supplies, at average cost                         11,436                     12,089
  Prepaid gas costs                                               11,309                     11,945
  Other                                                           33,886                     38,888
- ------------------------------------------------------------------------------------------------------
                                                                 348,115                    353,883
- ------------------------------------------------------------------------------------------------------
Deferred Charges                                                 171,625                    122,073
- ------------------------------------------------------------------------------------------------------
                                                         $     2,497,190            $     2,289,603
======================================================================================================

Capitalization and Liabilities

Capitalization (See accompanying statement and Note 4)
  Common stock, $.33 1/3 par value , authorized
    210,000,000; outstanding 50,767,041 and
    49,857,448 shares, respectively, stated at           $       572,457            $       549,835
  Retained earnings                                              396,586                    355,973
- ------------------------------------------------------------------------------------------------------
     Total common equity                                         969,043                    905,808
  Preferred stock, redeemed                                           -                       6,600
  Long-term debt                                                 745,091                    712,013
- ------------------------------------------------------------------------------------------------------
                                                               1,714,134                  1,624,421
- ------------------------------------------------------------------------------------------------------

Current Liabilities
  Accounts payable                                               142,725                    143,561
  Dividends payable                                               18,490                     18,229
  Commercial paper  (See Note 5)                                  64,211                          -
  Taxes accrued                                                    4,602                     10,905
  Customer deposits                                               22,829                     21,881
  Customer budget plan credits                                    15,956                      8,892
  Interest accrued and other                                      50,629                     37,244
- ------------------------------------------------------------------------------------------------------
                                                                 319,442                    240,712
- ------------------------------------------------------------------------------------------------------

Deferred Credits and Other Liabilities
  Federal income tax                                             290,458                    282,041
  Unamortized investment tax credits                              19,004                     20,007
  Other                                                           69,003                     43,573
- ------------------------------------------------------------------------------------------------------
                                                                 378,465                    345,621
- ------------------------------------------------------------------------------------------------------
Minority Interest in Subsidiary Company                           85,149                     78,849
- ------------------------------------------------------------------------------------------------------
                                                         $     2,497,190            $     2,289,603
======================================================================================================
 The  accompanying  Summary of  Significant  Accounting  Policies  and Basis for
Financial Statement  Presentation and Notes to Consolidated Financial Statements
are integral parts of these statements.
</TABLE>

                                                         37
<PAGE>

<TABLE>
KEYSPAN ENERGY CORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENT OF CAPITALIZATION

<CAPTION>
=============================================================================================
September 30,                                                      1997           1996
=============================================================================================
                                                                    (Thousands of Dollars)

<S>                                                           <C>            <C>
Common Equity
 Common stock, $.33 1/3 par value,  authorized  210,000,000 shares;  outstanding
    50,767,041 and 49,857,448 shares,
    respectively, stated at                                   $    572,457   $    549,835
 Retained earnings (See accompanying statement)                    396,586        355,973
- ---------------------------------------------------------------------------------------------
                                                                   969,043        905,808
- ---------------------------------------------------------------------------------------------
Preferred Stock, Redeemed
  $100 par value, cumulative, authorized 900,000 shares
    4.60% Series B, 69,000 shares outstanding in 1996                -              6,900
     Less: Current sinking fund requirements                         -                300
- ---------------------------------------------------------------------------------------------
                                                                     -              6,600
- ---------------------------------------------------------------------------------------------
Long-term Debt -Subsidiaries
 Brooklyn Union
    Gas facilities revenue bonds (issued through New York
      State Energy Research and Development Authority)
      6.368% Series 1993A and Series 1993B due April 2020           75,000         75,000
      7 1/8% Series 1985 I due December 2020                         -             62,500
      7% Series 1985 II due December 2020                            -             62,500
      5.5% Series 1996 due January 2021                            153,500        153,500
      6.75% Series 1989A due February 2024                          45,000         45,000
      6.75% Series 1989B due February 2024                          45,000         45,000
      5.6% Series 1993C due June 2025                               55,000         55,000
      6.95% Series 1991A and Series 1991B due July 2026            100,000        100,000
      5.635% Series 1993D-1 and Series 1993D-2 due July 2026        50,000         50,000
      Variable Rate Series 1997 due December 2020                  125,000          -
- ---------------------------------------------------------------------------------------------
                                                                   648,500        648,500
    Unamortized premium                                             (1,409)        (1,489)
 The Houston Exploration Company                                    98,000         65,002
- ---------------------------------------------------------------------------------------------
                                                                   745,091        712,013
- ---------------------------------------------------------------------------------------------
                                                              $  1,714,134   $  1,624,421
=============================================================================================
The accompanying Summary of Significant Accounting Policies and Basis for Financial
Statement Presentation and Notes to Consolidated Financial Statements are integral
parts of these statements.
</TABLE>

                                                       38
<PAGE>

<TABLE>
KEYSPAN ENERGY CORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENT OF CASH FLOWS

<CAPTION>
======================================================================================
For the Year Ended September 30,                         1997      1996     1995
======================================================================================

                                                          (Thousands of Dollars)
<S>                                                     <C>      <C>       <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Net income                                               $114,733 $122,908  $91,835
Adjustments to reconcile net income
     to net cash provided by operating activities:
   Depreciation and depletion                             116,129   83,006   77,696
   Deferred Federal income tax                              6,253   25,985   11,037
   Gain on sale of investments                            (16,052) (16,160)     -
   Gain on sale of subsidiary stock                           -    (35,437)     -
   Income from energy services investments                (14,395) (13,523)  (9,458)
   Dividends received from energy services investments     12,938   11,031    3,595
   Change in accounts receivable, net                      (4,260) (24,939)  44,712
   Change in accounts payable                              (1,738)  39,856  (29,283)
   Gas inventory and prepayments                           (2,246)     777    6,208
   Other                                                   16,677    8,863   14,439
- --------------------------------------------------------------------------------------
Cash provided by operating activities                     228,039  202,367  210,781
- --------------------------------------------------------------------------------------

CASH FLOWS FROM FINANCING ACTIVITIES
Sale of common stock                                       22,618   27,407   27,974
Proceeds from sale of subsidiary stock                        -    101,041      -
Issuance of long-term debt                                157,998  153,500   19,192
Commercial paper and revolving lines of credit, net        64,211      -        -
Repayments of long-term debt and preferred stock         (131,600)(160,867)    (300)
Dividends paid                                            (73,770) (70,614) (67,566)
- --------------------------------------------------------------------------------------
Cash provided by (used for) financing activities           39,457   50,467  (20,700)
- --------------------------------------------------------------------------------------

CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures (excluding allowance
   for equity funds used during construction)            (284,289)(301,307)(212,732)
Proceeds from sale of investments                          23,274   26,938      -
Partnership (investment) distribution                     (30,000)  21,704      -
Other                                                      18,510    1,210    9,702
- --------------------------------------------------------------------------------------
Cash used in investing activities                        (272,505)(251,455)(203,030)
- --------------------------------------------------------------------------------------

Change in Cash and Temporary Cash Investments             ($5,009)  $1,379 ($12,949)
- --------------------------------------------------------------------------------------
Cash and Temporary Cash Investments at Beginning of Year   41,921   40,542   53,491
- --------------------------------------------------------------------------------------
Cash and Temporary Cash Investments at End of Year        $36,912  $41,921  $40,542
======================================================================================

Temporary cash investments are short-term  marketable  securities purchased with
maturities  of three months or less that are carried at cost which  approximates
their fair value.


Supplemental disclosures of cash flows
Income taxes                                              $33,392  $37,053  $36,000
Interest                                                  $46,061  $53,210  $53,047
======================================================================================

The accompanying Summary of Significant Accounting Policies and Basis for Financial
Statement Presentation and Notes to Consolidated Financial Statements are integral
parts of these statements.
</TABLE>

                                                          39
<PAGE>
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.  FEDERAL INCOME TAX
      Income tax expense  (benefit) is reflected as follows in the  Consolidated
Statement of Income:

<TABLE>
<CAPTION>
- ------------------------------------------------------------------
Year Ended September 30,          1997        1996       1995
- ------------------------------------------------------------------
                                       (Thousands of Dollars)
<S>                             <C>          <C>       <C>
Operating Expenses
  Current                       $ 49,352     $ 27,766  $ 31,676
  Deferred                         7,877       11,742    10,313
- -------------------------------------------------------------------
                                  57,229       39,508    41,989
- -------------------------------------------------------------------
Other Income
  Current                          7,729        6,559       379
  Deferred                        (1,599)      14,243       724
  Amortization of investment
    tax credits                   (1,003)        (941)   (1,052)
- -------------------------------------------------------------------
                                   5,127       19,861        51
- -------------------------------------------------------------------
Total Federal income tax        $ 62,356     $ 59,369  $ 42,040
- -------------------------------------------------------------------
</TABLE>

      The  components  of the net  deferred  income tax  liability  reflected as
Deferred Credits and Other  Liabilities - Federal income tax in the Consolidated
Balance Sheet are as follows:

<TABLE>
<CAPTION>
- ---------------------------------------------------------
September 30,                     1997            1996
- ---------------------------------------------------------
                                 (Thousands of Dollars)

<S>                              <C>           <C>
Utility property                 $181,902      $176,565
Gas production and
  other property                   78,364        69,488
Net tax regulatory asset           24,660        26,210
Other                               5,532         9,778
- ---------------------------------------------------------
Net deferred income tax
  liability                      $290,458      $282,041
- ---------------------------------------------------------
</TABLE>
                                40

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

<TABLE>
<CAPTION>
- --------------------------------------------------------------------
Year Ended September 30,           1997         1996      1995
- --------------------------------------------------------------------
                                     (Thousands of Dollars)

<S>                              <C>         <C>        <C>
Computed at statutory rate       $ 61,981    $ 63,797   $ 46,856
Adjustments related to:
  Gas production tax credits       (1,534)     (1,962)    (2,730)
  Minority Interest in THEC         2,320         -          -
  Nontaxable interest income         (191)       (678)      (870)
  Amortization of investment
   tax credits                     (1,003)       (941)    (1,052)
  Other, net                          783        (847)      (164)
- --------------------------------------------------------------------
Total Federal income tax         $ 62,356    $ 59,369   $ 42,040
- --------------------------------------------------------------------
Effective income tax rate             35%         33%        31%
- --------------------------------------------------------------------
</TABLE>

2.  POSTRETIREMENT BENEFITS
A.  Pension:  The Company has a noncontributory defined benefit
pension plan covering 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.
There were no pension contributions in 1997, 1996 and 1995.
Special retirement programs were completed in 1997 and 1995.

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

<CAPTION>
- -----------------------------------------------------------------
Year Ended September 30,          1997        1996       1995
- -----------------------------------------------------------------
                                 (Thousands of Dollars)

<S>                             <C>          <C>        <C>
Service cost, benefits earned
  during the year               $ 12,125    $ 15,160   $ 11,533
Special retirement charge         21,579        -         5,416
Interest cost on projected
  benefit obligation              37,467      37,128     35,128
Return on plan assets           (159,004)    (78,930)   (82,626)
Net amortization and deferral     93,573      31,745     34,786
- -----------------------------------------------------------------
Total pension cost              $  5,740    $  5,103   $  4,237
- -----------------------------------------------------------------
</TABLE>

                               41
<PAGE>
<TABLE>
  The  following  table  sets  forth  the  plan's  funded  status.  Plan  assets
principally are common stock and fixed income securities:

<CAPTION>
- ------------------------------------------------------------------
September 30,                          1997             1996
- ------------------------------------------------------------------
                                      (Thousands of Dollars)

<S>                                  <C>              <C>
Actuarial present value of
  benefit obligations:
Vested                               $(465,410)       $(414,988)
Accumulated                          $(490,337)       $(439,278)
Projected                            $(617,687)       $(563,852)

Plan assets at fair market value     $ 733,922        $ 608,080
- -------------------------------------------------------------------
Plan assets in excess of
  projected benefit obligation       $ 116,235        $  44,228
Unrecognized net (gain)
  from past experience
  different from that
  assumed and from
  changes in assumptions             $(114,861)       $ (32,755)

Unrecognized transition asset        $ (23,262)       $ (27,914)
- -------------------------------------------------------------------
Accrued pension liability            $ (21,888)       $ (16,441)
- -------------------------------------------------------------------

Assumptions:
  Obligation discount                   6.75%             7.25%
  Asset return                          7.25%             7.75%
  Average annual increase
    in compensation                     5.00%             5.50%
- ------------------------------------------------------------------
</TABLE>

                                   42
<PAGE>
B. Other Postretirement  Benefits - Retiree Health Care and Life Insurance:  The
Company sponsors  noncontributory  defined benefit plans under which it provides
certain health care and life insurance  benefits for retired utility  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 Internal Revenue Code.

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

<CAPTION>
- -------------------------------------------------------------------
Year Ended September 30,             1997       1996      1995
- -------------------------------------------------------------------
                                      (Thousands of Dollars)

<S>                                <C>        <C>       <C>
Service cost, benefits
  earned during the year           $  2,567   $  3,178  $  2,590
Interest cost on accumulated
  postretirement benefit
  obligation                         10,745     10,673     9,958
Return on plan assets               (25,785)    (9,382)   (6,746)
Net amortization and deferral        23,690     10,961     6,752
- --------------------------------------------------------------------
Other postretirement benefit
  cost                             $ 11,217   $ 15,430  $ 12,554
- --------------------------------------------------------------------
</TABLE>

                                43
<PAGE>
<TABLE>
  The following table sets forth the plan's funded status:

<CAPTION>
- --------------------------------------------------------------------
September 30,                                1997        1996
- --------------------------------------------------------------------
                                          (Thousands of Dollars)

<S>                                     <C>            <C>
Actuarial present value of accumulated
  postretirement benefit obligation
    Retirees                            $(125,454)     $ (88,278)
    Fully eligible active plan
      participants                         (6,202)       (18,271)
    Other active plan participants        (64,964)       (63,762)
- --------------------------------------------------------------------
                                        $(196,620)     $(170,311)
Plan assets at fair market value,
  primarily stocks and bonds            $ 112,022      $  93,452
- --------------------------------------------------------------------
Accumulated postretirement benefit
  obligation in excess of plan
  assets                                $ (84,598)     $ (76,859)
Unrecognized net loss from past
  experience different from that
  assumed and from changes in
  assumptions                           $  32,644      $  29,285
Unrecognized transition obligation      $  60,725      $  64,015
- --------------------------------------------------------------------
Prepaid other postretirement
  benefit                               $   8,771      $  16,441
- --------------------------------------------------------------------
Assumptions:
  Obligation discount                       6.75%          7.25%
  Asset return                              7.25%          7.75%
- --------------------------------------------------------------------
</TABLE>

  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
September  30,  1997 and the net  periodic  SFAS-106  expense  by  approximately
$25,074,000 and $1,776,000, respectively.

                                44

<PAGE>
3.  FIXED OBLIGATIONS
A. Leases:  Lease costs included in operation  expense were $13,060,000 in 1997,
$13,894,000  in 1996 and  $14,706,000 in 1995. The future minimum lease payments
under various  leases,  all of which are  operating  leases,  are  approximately
$15,055,000 per year over the next five years and  $136,840,000 in the aggregate
for years thereafter.

  Brooklyn Union has a lease agreement with a remaining term of 14 years for its
corporate headquarters.

B. Fixed Charges Under Firm  Contracts:  Brooklyn Union has entered into various
contracts for gas delivery and supply  services.  The contracts  have  remaining
terms that cover from one to sixteen years.  Certain of these contracts  require
payment of monthly charges in the aggregate amount of approximately $3.9 million
per month in all  events  regardless  of the level of  service  available.  Such
charges are recovered as gas costs under the gas adjustment clause.


4.  CAPITALIZATION
A. Common  Stock:  The  Consolidated  Statement of  Capitalization  reflects the
establishment  of KeySpan Energy  Corporation  as the parent holding  company of
Brooklyn  Union and its  subsidiaries.  The only  transactions  recorded  by the
Company as of September 30, 1997,  reflect the initial  exchange of stock at the
time of the holding company  reorganization.  Hence, the Company's balance sheet
reflects its investment in Brooklyn Union in the amount of $969,043,000;  common
stock in the amount of  $572,457,000;  and  retained  earnings  in the amount of
$396,586,000.

  In addition to the share  exchange  relating  to the  reorganization  into the
holding  company  structure,  the  Company in 1997 and 1996  issued  909,593 and
1,069,128 shares of common stock for $22,618,000 and $27,407,000,  respectively,
under the Dividend  Reinvestment  and Stock  Purchase  Plan,  the Discount Stock
Purchase  Plan for  Employees,  and the Employee  Savings Plan. At September 30,
1997, 1,567,048 unissued shares of common stock were reserved for issuance under
these plans.

  On September 10, 1997,  prior to the  reorganization,  Brooklyn Union redeemed
all 66,000 outstanding  shares of its 4.60% Cumulative  Preferred Stock Series B
at the  optional  redemption  price of $102.00 per share plus  $0.1278 per share
representing accrued and unpaid dividends.

B.  Debt of Subsidiaries:
Gas Facilities Revenue Bonds and Other:  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

                              45
<PAGE>
subsequently  withdrawn  by Brooklyn  Union to finance  qualified  expenditures.
There are no sinking fund requirements for any Gas Facilities Revenue Bonds.

Other Long-Term Debt: THEC has an available line of credit of $130 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 September 30, 1997,
borrowings  of $98 million were  outstanding  under this line of credit and $1.6
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,  or based on the prime  rate.  The
average  interest  rate on this  debt was  7.11%  per year at  fiscal  year-end.
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.

  THEC is planning on issuing $150 million of bonds through a private  placement
depending on market  conditions  and  interest  rates.  The  proceeds  from such
issuance would be used, in part, to pay down  obligations  for borrowings  under
its revolving  loan  agreement.  The bonds if issued,  would be  subordinate  to
borrowings under the line of credit.

5.  SHORT-TERM DEBT
A.  Commercial  Paper:  At September 30, 1997, the Company had an available bank
line of credit of $100  million,  which lines secure the issuance of  commercial
paper.  This line of credit was  increased  to $150  million in October 1997 and
applies  jointly to the Company and its subsidiary  Brooklyn  Union.  Borrowings
were made only in the  fourth  quarter of fiscal  1997 by  Brooklyn  Union.  The
average  outstanding  balance  during  the year was $5.6  million  at a weighted
average  annualized  rate of 5.59%.  At September 30, 1997,  Brooklyn  Union had
$64.2  million in short-term  borrowings  outstanding  at an annualized  rate of
5.60%.

B. Other Short-Term Debt:  KeySpan Energy Management has a $30 million unsecured
line of credit which supports borrowings under a revolving loan agreement.  This
credit facility  matures on March 31, 1998. At September 30, 1997, no borrowings
were  outstanding  on this line of credit.  Borrowings  under this facility bear
interest at rates indexed at a premium to LIBOR.  Covenants related to this line
of credit require the maintenance of certain financial ratios.


6. NONQUALIFIED STOCK OPTIONS
  At September 30, 1997, the Company,  had a stock-based  compensation plan that
is described below. In addition, under a separate plan THEC has issued 1,684,238
stock options to key THEC

                                46
<PAGE>
employees.  The companies  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 fixed stock option
plans in the Consolidated  Financial Statements.  The Company's consolidated net
income  and  earnings  per share  would not have been  materially  affected  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.

  Under its plan,  the Company has  reserved for  issuance  1,500,000  shares of
nonqualified stock options and has issued 363,500  nonqualified stock options on
November 20, 1996 and 202,800  nonqualified  stock options on November 15, 1995.
The options vest ratably  over a three-year  period from the grant date,  with a
ten-year  exercise  period.  The exercise price of each option equals the market
price of the Company's stock on the date of grant.

  The fair values of granted  options were $4.27 and $2.78 for grants  issued in
fiscal  years 1997 and 1996,  respectively,  and were  estimated  on the date of
grant  using  the   Black-Scholes   option-   pricing   model.   The   following
weighted-average assumptions were used for grants in fiscal years 1997 and 1996,
respectively:  dividend yield of 4.66% and 5.57%; expected volatility of 16.560%
and 16.879%; risk free interest rate of 6.00% and 6.28%; and expected lives of 6
years.  The  exercise  prices are $30.50 and $27.00 for grants  issued in fiscal
years 1997 and 1996, respectively.


7.  FINANCIAL INSTRUMENTS
A. Fair Value of Financial Instruments: Brooklyn Union's long-term debt consists
primarily of publicly  traded Gas Facilities  Revenue  Bonds,  the fair value of
which is estimated based on quoted market prices for the same or similar issues.
The fair values of these bonds at September 30, 1997 and 1996 were  $671,041,400
and  $660,499,600,  respectively,  and the carrying values were  $648,500,000 in
both years.  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.

B.  Derivative Financial Instruments:  Brooklyn Union and THEC
employ derivative financial instruments - natural gas futures,
options and swaps - for the purpose of managing commodity price
risk.

  The utility tariff applicable to certain large-volume customers
permits gas to be sold at prices established monthly within a
specified range expressed as a percentage of prevailing alternate
fuel oil prices.  Brooklyn Union uses standard New York Mercantile

                                 47
<PAGE>
Exchange  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. Brooklyn Union has developed a strong sense of the relationship between gas
and oil prices in the target markets, and the implementation of its strategy has
satisfactorily  hedged its exposure to the loss of profit margins on the desired
portion of anticipated sales.

  With respect to natural gas production operations, THEC generally uses options
to establish  collars,  swaps and standard New York Mercantile  Exchange futures
contracts  to hedge  the  price  risk  related  to known  production  plans  and
capabilities.   These  instruments  include  a  fixed  price/volume.  Swaps  are
structured as both straight and  participating  swaps. In all swap  instruments,
THEC pays the other  parties  the amount by which the  floating  variable  price
(settlement  price) exceeds the fixed price and receives the amount by which the
settlement price is below the fixed price.

  The following table summarizes the notional amounts and related fair values of
the derivative financial instrument positions outstanding at September 30, 1997.
Fair values are based on quotes for the same or similar instruments. Differences
between the notional  contract amounts and fair values represent  implicit gains
on gas  contracts  representing  long  positions  or  losses  on  oil  contracts
representing short positions if the instruments were settled at market.

<TABLE>
<CAPTION>
- ------------------------------------------------------------------
 Gas
Type of      Fiscal Year  Fixed Price  Volume   Notional    Fair
Instrument   of Maturity    per Mcf     (Mcf)    Amount     Value
- ----------   -----------  -----------  -------  ---------   ------
                                                  (in thousands)

<S>               <C>    <C>          <C>        <C>      <C>
Futures contracts 1998   $2.22-$2.44    340,000  $   793  $   999
Swap contracts    1998   $1.53-$2.09  3,315,000  $ 6,084  $ 2,368
Options contracts
  Calls           1998   $3.35-$3.78  3,980,000  $14,094  $     0
  Puts            1998      $2.60     4,890,000  $12,179  $   463

 Oil
Type of      Fiscal Year  Fixed Price  Volume   Notional   Fair
Instrument   of Maturity  per Gallon  (Gallons)  Amount    Value
- ----------   -----------  ----------- --------- --------   ------
                                                 (in thousands)

Futures contracts 1998   $0.52-$0.59  18,858,000 $10,701 $11,312
- -----------------------------------------------------------------
</TABLE>
                               48
<PAGE>
  Futures contracts expire and are renewed monthly. As of September 30, 1997, no
such contract  extended beyond March 1998.  Further,  swap contracts are settled
monthly and extend through March 1998. Margin deposits with brokers at September
30, 1997 and 1996 amounted to $1,382,000 and $23,619,000,  respectively, and are
recorded in Other in the Current Assets  section of the balance sheet.  Deferred
gains on closed positions were $567,000 and $1,330,000 at September 30, 1997 and
1996,  respectively.  Such gains are generally recorded in net income within one
month.

  The  Company's  subsidiaries  are  exposed  to  credit  risk in the  event  of
nonperformance   by  counterparties   to  derivative   contracts,   as  well  as
nonperformance by the counterparties 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  the
Company's overall business risk.


8.  ENVIRONMENTAL MATTERS
  Historically, Brooklyn Union or predecessor entities owned or operated several
former  manufactured gas plant (MGP) sites. These sites have been identified for
the New York State Department of Environmental  Conservation (DEC) for inclusion
on appropriate  waste site  inventories.  In certain  circumstances,  former MGP
sites can give rise to environmental cleanup responsibilities for the Company.

  With respect to one former MGP site located on Brooklyn  Union  property,  the
Brooklyn  Borough  Works  site in  Coney  Island,  Brooklyn  Union  executed  an
administrative  consent order (ACO) with the DEC in 1995  addressing the overall
remediation of the site. In accordance with the ACO, a schedule of investigative
and cleanup  activities  has been  developed,  and cleanup over the next several
years is expected.

  Based upon the current  estimated  range of the costs of  compliance  with the
Coney Island ACO, and the estimated costs of  investigation  of two other sites,
the Company believes the minimum cost of MGP- related environmental cleanup will
be  approximately  $34  million,  the majority of which will be expended for the
Coney  Island plant site.  This amount  includes  approximately  $7.2 million of
costs  expended as of September  30, 1997.  The actual MGP- related costs may be
substantially higher, depending upon remediation experience, eventual end use of
the sites,  and  environmental  conditions  not  addressed in the ACO or current
investigative plans.

  As of  September  30,  1997,  the  Company  had an unpaid  liability  of $26.8
million.


                                49
<PAGE>
  The rate plan that became effective on October 1, 1996,  described in 'Utility
Rate and Regulatory Matters' of Management's  Discussion and Analysis of Results
of Operations and Financial Condition, provides, among other things, that if the
total cost of  investigating  and remediating the Coney Island plant site varies
from the amount  originally  accrued for these  activities,  Brooklyn Union will
retain or absorb 10% of the variation.  Under the rate plan,  similar ratemaking
treatment will be available for any additional accrued liabilities for other MGP
sites, should such accrual be required.

9. COMBINATION WITH LONG ISLAND LIGHTING COMPANY (LILCO
   TRANSACTION)

                 AMENDED AGREEMENT WITH LILCO

  On December 29, 1996,  Brooklyn  Union and LILCO entered into an Agreement and
Plan of Exchange and Merger (LILCO  Agreement),  pursuant to which the companies
would  become  wholly  owned  subsidiaries  of  a  new  holding  company  (LILCO
Transaction).  The LILCO  Agreement was amended and restated to reflect  certain
technical  changes as of  February  7, 1997 and June 26, 1997 and was amended to
substitute  KeySpan  Energy  Corporation  (the Company) for Brooklyn Union as of
September 29, 1997 (Amended LILCO Agreement).

  The LILCO  Transaction was approved by both companies' boards of directors and
shareholders of both companies approved the transaction on August 7, 1997. Under
the terms of the LILCO  Transaction,  as the  result of a merger of the  Company
with a newly-formed  subsidiary of the new holding company, the Company's common
shareholders  will receive one share of common stock of the new holding  company
for each  common  share of the  Company  they  currently  own.  Through  a share
exchange, LILCO common shareholders will receive 0.803 shares (the Ratio) of the
new holding  company's  common  stock for each share of LILCO  common stock that
they currently own. In the event that the transaction with the Long Island Power
Authority (LIPA Transaction) is consummated,  the Ratio will be 0.880. See LILCO
Agreement with Long Island Power Authority,  LIPA Transaction.  Based on current
facts and  circumstances,  it is probable that the purchase method of accounting
will apply to the LILCO  Transaction with LILCO being the acquiring  Company for
accounting purposes.

  The Amended LILCO Agreement  contains certain covenants of the parties pending
the consummation of the LILCO Transaction.  Generally, the parties must carry on
their businesses in the ordinary course consistent with past practice.

  The Company and LILCO expect to continue  their  respective  current  dividend
policies until completion of the LILCO  Transaction.  It is anticipated that the
new holding  company will set an initial annual dividend rate of $1.78 per share
of its common stock.

                                50
<PAGE>
  Following the announcement of the LILCO  Agreement,  Standard & Poor's Ratings
Services  placed Brooklyn  Union's  corporate  credit and senior  unsecured debt
ratings of A, as well as  Brooklyn  Union's  A-1  commercial  paper  rating,  on
CreditWatch with negative  implications.  Similarly,  Moody's  Investors Service
placed Brooklyn  Union's A1 senior unsecured and Prime-1  short-term  ratings on
review for possible downgrade.

  The  LILCO  Transaction  is  conditioned  upon  the  receipt  of all  required
regulatory approvals and other conditions.  On July 17, 1997, the Federal Energy
Regulatory Commission (FERC) approved the LILCO Transaction. Approval of the PSC
is pending.  The Company is unable to determine  when, or if, all other required
regulatory approvals will be obtained.

  Unaudited  pro forma  combined  condensed  financial  information  for KeySpan
Energy  Corporation and Long Island  Lighting  Company at September 30, 1997 and
for the twelve  months ended  September  30, 1997 is contained in the  Company's
Report on Form 8-K, dated
December 19, 1997.

LILCO AGREEMENT WITH LONG ISLAND POWER AUTHORITY (LIPA Transaction)

  On June 26, 1997, LILCO and LIPA entered into definitive  agreements  pursuant
to which,  after the transfer of LILCO's gas  distribution  assets,  non-nuclear
electric  generation  assets and certain other assets and  liabilities to one or
more newly-formed subsidiaries of the new holding company, LILCO's stock will be
sold to LIPA for $2.4975  billion in cash. The LIPA  Transaction was approved by
LILCO's   shareholders  on  August  7,  1997.  Upon  consummation  of  the  LIPA
Transaction,  LIPA  will own  LILCO's  electric  transmission  and  distribution
system, its 18% interest in the Nine Mile Point 2 Nuclear Power Station, and its
electric  regulatory  assets  and  liabilities,  and will  assume  or  refinance
approximately  $339 million in preferred stock and approximately $3.6 billion in
long term debt.

  As part of the LIPA Transaction,  the definitive  agreements  contemplate that
one or more  subsidiaries  of the  newly-formed  holding company will enter into
agreements  with  LIPA,   pursuant  to  which  such  subsidiaries  will  provide
management  and  operations  services  to  LIPA  with  respect  to the  electric
transmission  and distribution  system,  sell power generated by the non-nuclear
power  plants to LIPA,  and manage  LIPA's fuel and electric  purchases  and any
off-system  electric sales. In addition,  three years after the LIPA Transaction
is  consummated,  LIPA will have the right for a one year  period to acquire the
non-nuclear  generating  assets. The purchase price for such assets would be the
fair market value at the time of the exercise of the right.

  On July  16,  1997,  the New  York  State  Public  Authorities  Control  Board
unanimously approved the definitive agreements related to the

                                51
<PAGE>
LIPA Transaction subject to the following conditions:  (1) within one year, LIPA
must establish a plan for open access to the electric  distribution  system; (2)
LIPA  may  not  purchase  the  generating  facilities,  as  contemplated  in the
generation purchase right agreement, at a price greater than book value; (3) the
holding  company formed in connection  with the LIPA  Transaction  (or the LILCO
Transaction) must agree to invest, over a ten year period, at least $1.3 billion
in  energy-related   and  economic   development   projects,   and  natural  gas
infrastructure projects on Long Island; (4) LIPA will guarantee that, over a ten
year  period,  average  electric  rates will be reduced by no less than 14% when
measured against LILCO's rates today. As part of this guarantee, no less than 2%
cost savings to LIPA customers must result from the savings  attributable to the
LILCO Transaction; and (5) LIPA will not increase average customer rates by more
than 2 1/2% over a twelve month period without approval of the PSC.

  The LIPA  Transaction  is  subject  to the  approval  of the  FERC  and  other
regulatory  agencies.  In July 1997, the Company,  LILCO and LIPA filed requests
for private letter rulings with the Internal Revenue Service  regarding  certain
federal income tax issues that require  favorable  rulings in order for the LIPA
Transaction  to close.  The  Company  is unable  to  determine  when and if FERC
approval and all other  consents and approvals  required to consummate  the LIPA
Transaction will be obtained.

                               52
<PAGE>
<TABLE>
NOTE 10.  SUPPLEMENTAL GAS AND OIL DISCLOSURES (Unaudited)

This  information  includes amounts  attributable to a 34% minority  interest in
THEC at September 30, 1997 and 1996. Gas and oil operations,  and reserves, were
predominantly located in the United States in all years.

CAPITALIZED COSTS RELATING TO GAS AND OIL PRODUCING ACTIVITIES

<CAPTION>
==============================================================================================
September 30,                                                         1997           1996
==============================================================================================
                                                                     (Thousands of Dollars)

<S>                                                                 <C>            <C>
Unproved properties not being amortized                             $103,569       $60,137
Properties being amortized - productive and nonproductive            521,046       441,024
- ----------------------------------------------------------------------------------------------
Total capitalized costs                                              624,615       501,161
Accumulated depletion                                               (210,333)     (160,128)
- ----------------------------------------------------------------------------------------------
  Net capitalized costs                                             $414,282      $341,033
- ----------------------------------------------------------------------------------------------
</TABLE>

<TABLE>
The  following is a break-out of the costs (in  thousands of dollars)  which are
excluded from the amortization  calculation as of September 30, 1997, by year of
acquisition:  1997 -  $49,135;  1996 - $33,442;  and prior  years  $20,992.  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.

COSTS INCURRED IN PROPERTY ACQUISITION, EXPLORATION AND DEVELOPMENT ACTIVITIES

<CAPTION>
================================================================================
Year Ended September 30,                  1997          1996          1995
================================================================================
                                                 (Thousands of Dollars)
<S>                                      <C>           <C>           <C>
Acquisition of properties-
  Unproved properties                    $13,486       $24,577       $10,996
  Proved properties                       11,562        89,828        14,983
Exploration                               25,695        20,828         5,907
Development                               73,642        31,005        37,953
- --------------------------------------------------------------------------------
Total costs incurred                    $124,385      $166,238       $69,839
- --------------------------------------------------------------------------------
</TABLE>


<TABLE>

RESULTS OF OPERATIONS FROM GAS AND OIL PRODUCING ACTIVITIES

<CAPTION>
================================================================================
Year Ended September 30,                  1997         1996          1995
================================================================================
                                              (Thousands of Dollars)
<S>                                     <C>           <C>            <C>
Revenues from gas and oil
  producing activities-
Sales to unaffiliated parties           $100,818       $50,431       $40,810
- --------------------------------------------------------------------------------
  Revenues                               100,818        50,431        40,810
- --------------------------------------------------------------------------------
Production and lifting costs              17,322         8,860         5,762
Depletion                                 50,415        27,368        22,906
- --------------------------------------------------------------------------------
  Total expenses                          67,737        36,228        28,668
- --------------------------------------------------------------------------------
Income before taxes                       33,081        14,203        12,142
Income taxes                              10,393         3,037         1,957
- --------------------------------------------------------------------------------
Results of gas and oil producing
  activities (excluding corporate
  overhead and interest costs)           $22,688       $11,166       $10,185
================================================================================
</TABLE>

                                             53
<PAGE>
<TABLE>
10. 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  September  30 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.


RESERVE QUANTITY INFORMATION
Natural Gas (MMcf)

<CAPTION>
=======================================================================================
September 30,                               1997          1996            1995
=======================================================================================
<S>                                        <C>          <C>             <C>
Proved Reserves-
  Beginning of Year                        314,541       195,055         142,858
  Revisions of previous estimates           16,326          (354)         13,539
  Extensions and discoveries                29,254        13,139          38,985
  Production                               (45,353)      (26,435)        (21,822)
  Purchases of reserves in place                 -       134,325          21,495
  Sales of reserves in place                     -        (1,189)              -
- ---------------------------------------------------------------------------------------
Proved Reserves-
  End of Year                              314,768       314,541         195,055
- ---------------------------------------------------------------------------------------
Proved Developed Reserves-
  Beginning of Year                        222,522       151,594         110,225
- ---------------------------------------------------------------------------------------
  End of Year                              232,200       222,522         151,594
=======================================================================================
</TABLE>

<TABLE>
Crude Oil, Condensate and Natural Gas Liquids (MBbls)
<CAPTION>
=======================================================================================
September 30,                                 1997          1996            1995
=======================================================================================
<S>                                          <C>           <C>             <C>
Proved Reserves-
  Beginning of Year                          1,248         1,162             807
  Revisions of previous estimates              (92)         (148)            245
  Extensions and discoveries                    15           182             155
  Production                                  (153)         (136)           (148)
  Purchases of reserves in place                 -           294             103
  Sales of reserves in place                     -          (106)              -
- ---------------------------------------------------------------------------------------
Proved Reserves-
  End of Year                                1,018         1,248           1,162
- ---------------------------------------------------------------------------------------
Proved Developed Reserves-
  Beginning of Year                          1,040           974             543
- ---------------------------------------------------------------------------------------
  End of Year                                  874         1,040             974
=======================================================================================
</TABLE>

                                                     54
<PAGE>
<TABLE>
10. SUPPLEMENTAL GAS AND OIL DISCLOSURES (CONTINUED)

STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS
RELATING TO PROVED GAS AND OIL RESERVES

<CAPTION>
=======================================================================
September 30,                                 1997          1996
=======================================================================
                                            (Thousands of Dollars)
<S>                                       <C>           <C>
Future Cash Flows                         $827,537      $554,798
Future Costs-
  Production                              (136,570)      (89,303)
  Development                              (53,538)      (60,926)
- -----------------------------------------------------------------------
Future net inflows
  before income tax                        637,429       404,569
Future income taxes                       (143,733)      (59,623)
- -----------------------------------------------------------------------
Future net cash flows                      493,696       344,946
10% discount factor                       (145,782)      (85,688)
- -----------------------------------------------------------------------
Standardized measure of
  discounted future net
  cash flows                              $347,914      $259,258
=======================================================================
</TABLE>

<TABLE>
CHANGES IN STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS
FROM PROVED RESERVE QUANTITIES
<CAPTION>
=======================================================================================
Year Ended September 30,                    1997          1996            1995
=======================================================================================
                             (Thousands of Dollars)
<S>                                       <C>           <C>             <C>
Standardized measure-
  beginning of year                       $259,258      $133,521        $108,134
Sales and transfers, net of
  production costs                         (83,496)      (41,571)        (35,048)
Net change in sales and
  transfer prices, net of
  production costs                         144,463        44,719          (2,786)
Extensions and discoveries and
  improved recovery, net of
  related costs                             44,974        18,894          28,868
Changes in estimated future
  development costs                         (5,982)       (4,798)         (2,351)
Development costs incurred
  during the period that reduced
  future development costs                  15,512        15,056          10,360
Revisions of quantity estimates             25,861        (2,338)         13,858
Accretion of discount                       27,528        16,880          11,763
Net change in income taxes                 (51,851)       21,026          (7,856)
Purchases of reserves in place                   -        94,945          15,176
Changes in production rates
  (timing) and other                       (28,353)      (37,076)         (6,597)
- ---------------------------------------------------------------------------------------
Standardized measure-end
  of year                                 $347,914      $259,258        $133,521
=======================================================================================
</TABLE>

                                                55
<PAGE>
<TABLE>
10. SUPPLEMENTAL GAS AND OIL DISCLOSURES (Continued)

AVERAGE SALES PRICES AND PRODUCTION COSTS-PER-UNIT

<CAPTION>
===========================================================================================================
Year Ended September 30,                                         1997             1996           1995
===========================================================================================================
<S>                                                            <C>              <C>            <C>
Average Sales Price*
  Natural Gas ($/MCF)                                            2.40             2.11           1.47

  Oil, Condensate and Natural Gas Liquid ($/Bbl)                20.06            19.21          16.92

  Production Cost Per Equivalent MCF ($)                          0.3             0.32           0.25
===========================================================================================================
</TABLE>

<TABLE>
ACREAGE

<CAPTION>
===========================================================================================================
September 30, 1997                                                             Gross            Net
===========================================================================================================

  <S>                                                                          <C>            <C>
  Producing                                                                    285,898        190,402
  Undeveloped                                                                  212,551        172,078
===========================================================================================================
</TABLE>

<TABLE>
NUMBER OF PRODUCING WELLS

<CAPTION>
===========================================================================================================
September 30, 1997                                                              Gross            Net
===========================================================================================================
  <S>                                                                            <C>             <C>
  Gas Wells                                                                      1,126            696
  Oil Wells                                                                         11              3
===========================================================================================================
</TABLE>

<TABLE>
DRILLING ACTIVITY (Net)

<CAPTION>
===========================================================================================================
Year Ended September 30,                 1997                      1996                     1995
===========================================================================================================

  <S>                        <C>          <C>  <C>      <C>         <C>  <C>     <C>          <C>   <C>
                             Producing    Dry  Total    Producing   Dry  Total   Producing    Dry   Total
  Net Developmental Wells         22.1    7.7   29.8         10.1   0.8   10.9        10.0    3.4    13.4
  Net Exploratory Wells            4.0    3.6    7.6          2.1   3.4    5.5         1.4    0.4     1.8
===========================================================================================================
</TABLE>

<TABLE>
WELLS IN PROCESS

<CAPTION>
===========================================================================================================
September 30, 1997                                                              Gross            Net
===========================================================================================================
  <S>                                                                              <C>            <C>
  Exploratory                                                                      4.0            2.2
  Developmental                                                                    5.0            3.3
===========================================================================================================

*Represents the cash price received which excludes the effect of any hedging transactions.
</TABLE>

                                                   56
<PAGE>
SUPPLEMENTARY INFORMATION (UNAUDITED)
===================================================================
QUARTERLY INFORMATION

SUMMARY OF QUARTERLY INFORMATION

The  following is a table of financial  data for each quarter of fiscal 1997 and
1996. The Company's business is influenced by seasonal weather  conditions.  The
effect on utility  earnings of variations in revenues caused by abnormal weather
is  largely  mitigated  by  operation  of  a  weather  normalization  adjustment
contained in Brooklyn Union's tariff.

<TABLE>
<CAPTION>
===================================================================
                          First    Second    Third     Fourth
                          Quarter  Quarter   Quarter   Quarter
===================================================================
                      (Thousands of Dollars Except Per Share Data)

<S>                       <C>      <C>      <C>         <C>
    1997
Operating revenues        446,726  589,282  246,993     195,186
Operating income (loss)    57,458   92,855    9,817     (17,560)
 Income (loss) applicable
  to common stock          44,722   80,243    2,233(a)  (12,757)(b)
 Per common share:
  Earnings (loss) (c)        0.90     1.60     0.04       (0.25)
  Dividends declared        0.365    0.365    0.365       0.365
- -------------------------------------------------------------------
    1996
Operating revenues         398,083  595,438  254,311    184,170
Operating income (loss)     57,400   88,505    5,495    (20,842)(d)
Gains on sale of subsidiary
  stock and Canadian plant
  (after taxes)               -        -        -        33,539
Income (loss) applicable
  to common stock          44,624   74,413   (4,561)      8,109
Per common share:
  Earnings (loss) (c)        0.91     1.51    (0.09)       0.16
  Dividends declared        0.355    0.355    0.355       0.355
- -------------------------------------------------------------------
(a)  Includes an after-tax gain of $3.3 million on the sale of
     certain Canadian properties.
(b)  Includes an after-tax gain of $4.5 million on the sale of
     a fuel management operation.
(c)  Quarterly  earnings  per share are  based on the  average  number of shares
     outstanding during the quarter.  Because of the increasing number of common
     shares outstanding in each quarter, the sum of quarterly earnings per share
     does not equal earnings per share for the year.
(d)  Includes a subsidiary reorganization charge of $7.8
     million after taxes.
===================================================================
</TABLE>

<TABLE>
SUMMARY OF QUARTERLY STOCK INFORMATION

<CAPTION>
===================================================================
                             First   Second    Third      Fourth
                            Quarter  Quarter  Quarter     Quarter
===================================================================

<S>                          <C>      <C>      <C>         <C>
    1997
High                         32.625   30.500   29.000      33.375
Low                          27.875   27.500   26.125      28.438
Close                        30.125   27.500   28.625      33.375
Shares traded (000)           6,598    6,795    4,146       5,457
- -------------------------------------------------------------------
    1996
High                         29.625   29.875   27.500      28.125
Low                          24.625   25.750   24.875      24.875
Close                        29.250   26.750   27.250      27.875
Shares traded (000)           3,710    3,884    5,121       3,592

===================================================================
</TABLE>

                                        57
<PAGE>
Item 9. Changes in and Disagreements with Accountants on
        Accounting and Financial Disclosure

      There have been no changes in accountants. In addition, there have been no
disagreements  between  the  Company  and  its  independent  public  accountants
concerning  any  matter of  accounting  principles  or  practices  or  financial
disclosure required to be disclosed by this item.

Part   III

Item 10.  Directors and Executive Officers of the Registrant

DIRECTORS AND OFFICERS

Directors

Robert B. Catell, Age 60, Director since 1986

      Chairman, President and Chief Executive Officer, KeySpan
      Energy Corporation

      Trustee,  Brooklyn  Botanic  Garden,  Brooklyn  Law  School,  Independence
      Savings Bank and Kingsborough Community College Foundation, Inc.; Chairman
      and Director, Alberta Northeast Inc., Boundary Gas, Inc., Business Council
      for a Sustainable  Energy  Future,  Energy  Association  of New York State
      Executive Committee; Director and Past Chairman, American Gas Association;
      Director,  Brooklyn  Academy  of Music  (ex-officio),  Brooklyn  Bureau of
      Community  Service Senior Trustee,  Brooklyn Public Library,  The Business
      Council of New York State,  Inc.,  Empire  State  Business  Alliance,  Gas
      Research  Institute,   New  York  City  Investment  Fund,  New  York  City
      Partnership and New York State Energy Research and Development  Authority;
      Member,  Brooklyn Chamber of Commerce Executive Committee,  CCNY School of
      Engineering  Advisory  Board,   Chemical  Bank  Regional  Advisory  Board,
      Committee for Economic  Development,  Council for  Environmental  Quality,
      Downtown Brooklyn Development  Association,  Heartshare for Human Services
      Advisory   Board,   Mayor's   Private  Sector   Committee  on  Information
      Technology,  New York  Professional  Engineers  Society and Society of Gas
      Lighting Executive Committee.

      Mr.  Catell  joined  the  Company's  subsidiary,  The  Brooklyn  Union Gas
      Company,  in 1958 and has been an officer  since 1974. He was elected Vice
      President  in 1977,  Senior  Vice  President  in 1981 and  Executive  Vice
      President  in 1984.  He was elected  Chief  Operating  Officer in 1986 and
      President in 1990. He has served as President and Chief Executive  Officer
      from  1991 to 1996  when  he was  elected  Chairman  and  Chief  Executive
      Officer. Upon the formation of the holding company structure under

                              58
<PAGE>
      KeySpan Energy Corporation in 1997, Mr. Catell was elected
      Chairman, President and Chief Executive Officer.

      Member, Executive Committee.


Kenneth I. Chenault, Age 46, Director since 1988

      President and Chief Operating Officer, American Express
      Company

      Director,  Arthur Ashe  Institute  for Urban  Health,  National  Center on
      Addiction and Substance Abuse,  National Collegiate Athletic  Association,
      NYU Medical Center, Phoenix House and Quaker Oats Company; Member, Council
      on Foreign Relations.

      Mr.  Chenault  joined  American  Express  Company in 1981 as  Director  of
      Strategic  Planning.  He was named President of the Consumer Card Group in
      1989 and President of the Travel Related  Services  Company in the U.S. in
      1993 with  responsibility  for the Consumer Card Group.  He was named Vice
      Chairman  of  American   Express  Company  in  January  1995  and  assumed
      additional  responsibilities for Travel Related Services  International in
      April  1995.  Prior  to  joining  American  Express,  Mr.  Chenault  was a
      management  consultant  with Bain & Co. and an associate with the law firm
      of  Rogers & Wells.  Mr  Chenault  will  resign  as a  director  effective
      December 31, 1997.

      Member, Organization and Nominating Committee.


Alan H. Fishman, Age 51, Director since 1989

      Managing Partner, Columbia Financial Partners, L.P. (private
      investment company)

      Chairman, Affinity Technology Group, Inc.; Director, Brooklyn
      Academy of Music; Member, Executive Committee of the Brown
      University Annual Fund.

      Mr.  Fishman  joined  Chemical Bank in 1969. He was named Chief  Financial
      Officer  in 1979 and was  promoted  to  Senior  Executive  Vice  President
      responsible  for Chemical's  Investment  Banking  activities  worldwide in
      1983.  He  became  affiliated  with  Neuberger  &  Berman  in 1988 and was
      responsible   for  an   investment   partnership.   He   joined   American
      International  Group,  Inc. in 1989 as a Senior Vice  President and became
      President of AIG Financial  Services  Group. He joined the firm of Adler &
      Shaykin in 1990 as a Managing Partner and, in 1992, Mr. Fishman formed the
      firm of  Columbia  Financial  Partners,  L.P.  in which  he is a  Managing
      Partner.

                                59
<PAGE>
      Chairman, Audit Committee; Member, Organization and Nominating
      Committee and Executive Committee.


Craig G. Matthews, Age 54, Director since 1997

      Executive Vice President - Utility Division, KeySpan Energy
      Corporation

      Director, Brooklyn Philharmonic,  Greater Jamaica Development Corporation,
      The Houston Exploration Company, National and New York City Advisory Board
      of  the  Salvation  Army,   Neighborhood  Housing  Services,   Polytechnic
      University,  Public Utilities Reports, Inc. and Regional Plan Association;
      Past Chairman,  Brooklyn  Chamber of Commerce;  Treasurer,  Society of Gas
      Lighting;  Member,  American Gas Association,  Brooklyn College  Community
      Advisory Board and New York Gas Group Executive Committee.

      Mr. Matthews joined the Corporation's  subsidiary,  The Brooklyn Union Gas
      Company,  in 1965 as a management  trainee and has held various management
      positions in the corporate planning, financial,  marketing and engineering
      areas and has been an officer since 1977. He was elected Vice President in
      1981 and Senior Vice President in 1985. In 1991, he was elected  Executive
      Vice President,  with responsibilities for the subsidiary's financial, gas
      supply,   information   systems,   strategic   planning   functions,   and
      energy-related  investments.  In May 1996,  he was  elected to his current
      position,  President and Chief Operating  Officer of the subsidiary and in
      June  1997  to  Executive  Vice  President  -  Utility   Division  of  the
      Corporation  upon the  formation of the holding  company  structure  under
      KeySpan Energy Corporation.


Edward D. Miller, Age 57, Director since 1993

      President and Chief Executive Officer, The Equitable Companies
      Inc. and The Equitable Life Assurance Society of the United
      States

      Trustee  and  Past  Chairman,   New  York  Blood  Center;   Trustee,  Pace
      University; Director, Donaldson, Lufkin & Jenrette, Inc.
      and Phoenix House.

      Mr. Miller is President and Chief Executive Officer of The
      Equitable Companies and The Equitable Life Assurance Society
      of the U.S., the principal insurance subsidiary of The
      Equitable Companies.  Mr. Miller also serves as a member of
      the Board of The Equitable Companies and Equitable Life, and
      is a member of the Board of Alliance Capital, an Equitable
      investment subsidiary.  He also serves on the Executive

                              60
<PAGE>
      Committee of the AXA Group,  Equitable's majority shareholder.  Mr. Miller
      assumed these positions in August 1997. He had previously served as Senior
      Vice Chairman of The Chase  Manhattan  Corporation.  In 1988, he was named
      Vice Chairman of  Manufacturers  Hanover  Trust,  a position he held until
      1991,  when that company  merged with Chemical Bank, and he was named Vice
      Chairman. He was elected President of Chemical Bank in 1994. In 1995, upon
      the merger with Chase Manhattan, he became Senior Vice Chairman.

      Chairman, Organization and Nominating Committee; Member
      Executive Committee.


Helmut W. Peter, Age 65, Director since 1997

      Consultant and Retired Vice Chairman of The Brooklyn Union Gas
      Company

      Trustee, Institute of Gas Technology; Director, American Gas
      Cooling Center, Inc., Industrial Center Inc., International
      Gas Center, Phoenix Natural Gas Ltd. and Premier Transco Ltd.;
      Member, Gas Research Institute Program Executive Committee and
      World Energy Council/Conference.

      Mr. Peter joined  Brooklyn Union in 1972 as a Senior Engineer and has been
      an Officer since 1977. In 1977 he was elected Assistant Vice President and
      Vice  President in 1980.  He was elected  Senior Vice  President and Chief
      Engineer in 1984 and Group  Senior Vice  President  and Chief  Engineer in
      1988. In 1991 he was elected  Executive Vice  President.  In May 1996, Mr.
      Peter was elected  Vice  Chairman  and served in this  capacity  until his
      retirement  in July 1997.  Since  August 1, 1997,  Mr. Peter has served as
      Senior Executive  Advisor/Consultant to The Brooklyn Union Gas Company and
      KeySpan Energy Corporation in energy and management matters.

      Member, Audit Committee.


James Q. Riordan, Age 70, Director since 1991

      Retired Vice Chairman and Chief Financial Officer, Mobil
      Corp.

      Director,  Dow Jones & Co., Inc., The Houston Exploration Company,  Public
      Broadcasting Service and Tri-Continental Corporation;  Director/Trustee of
      the mutual funds in the Seligman Group of investment  companies;  Trustee,
      The Brooklyn Museum and Committee For Economic Development; Member, Policy
      Council of the Tax Foundation.

                                 61
<PAGE>
      Mr. Riordan joined Mobil Corp. in 1957 as Tax Counsel.  He
      was named a Director and Chief Financial Officer in 1969.   He
      became Vice Chairman in 1986 and retired from Mobil  Corp. in
      1989.  Mr. Riordan joined Bekaert Corporation in  1989 and was
      elected its President.  He retired from  Bekaert Corporation
      in 1992.

      Member, Audit Committee, Organization and Nominating Committee
      and Executive Committee.




A listing of Executive Officers of the Registrant appears on page 63.

                                 62

<PAGE>
<TABLE>
Executive Officers of the Registrant
- -------------------------------------
All Executive Officers serve one-year terms.

<CAPTION>
                                            Age as of
                                            Sept. 30,   Period Served
Name and Position                            1997       In Such Capacity  Business Experience in Past 5 Years
- ------------------------------------------- ----------  -----------------------------------------------------------------------
<S>                                           <C>       <C>               <C>
Robert B. Catell, Chairman, President           60      1997 to Present   Chairman, President and Chief Executive Officer
and Chief Executive Officer                             1996 to 1997      Chairman and Chief Executive Officer
                                                        1991 to 1996      President and Chief Executive Officer

Craig G. Matthews, Executive Vice President     54      1997 to Present   Executive Vice President - Utility Division
- - Utility Division                                      1996 to 1997      President and Chief Operating Officer
                                                        1994 to 1996      Executive Vice President
                                                        1991 to 1994      Executive Vice President and Chief Financial Officer

Vincent D. Enright, Senior Vice  President,     53      1997 to Present   Senior Vice President, Chief Financial Officer and
Chief Financial Officer and                                               Chief Accounting Officer
Chief Accounting Officer                                1994 to 1997      Senior Vice President and Chief Financial Officer
                                                        1992 to 1994      Senior Vice President

David L. Phillips, Senior Vice President        41      1997 to Present   Senior Vice President Strategic Planning and
Strategic Planning and Corporate Development                              Corporate Development
                                                        1996 to 1997      Energy Consultant to  Brooklyn Union
                                                        1992 to 1996      Executive Committee, Equitable Resources Inc.

Maurice K. Shaw, Senior Vice President          58      1993 to Present   Senior Vice President and Corporate Affairs Officer
and Corporate Affairs Officer                           1987 to 1993      Senior Vice President and Chief Marketing Officer

William K. Feraudo, Senior Vice President       47      1997 to Present   Senior Vice President   Energy Marketing Group
Energy Marketing Group                                  1994 to 1997      Senior Vice President
                                                        1989 to 1994      Vice President

Roger J. Walz, Vice President                   52      1990 to Present   Vice President and General Auditor
and General Auditor

Robert R. Wieczorek, Vice President,            55      1994 to Present   Vice President, Secretary  and Treasurer
Secretary and Treasurer                                 1989 to 1994      Vice President, Treasurer, and Assistant Secretary
</TABLE>

                                                                63
<PAGE>
Item 11.  Executive Compensation

POLICY FRAMEWORK

      The Organization and Nominating  Committee (the  "Committee") of the Board
of Directors, composed of six independent,  non-employee Directors,  administers
the executive  compensation  program. The members of the Committee during fiscal
1997 were Mrs. Christensen and Messrs. Chenault,  Elliott,  Fishman, Larocca and
Miller. No member is or has been an officer or employee of KeySpan or any of its
subsidiaries. After review and approval by the Committee, all issues relating to
executive compensation are submitted to the entire Board for approval.

      The philosophy of KeySpan  regarding  executive  compensation  is that the
Chief  Executive   Officer  and  other  executives   should  be  compensated  at
competitive levels to attract,  motivate,  and retain talented executives needed
to achieve  KeySpan's  vision of  becoming  the  premier  energy  company in the
Northeast.  The Committee is committed to  implementing a  compensation  program
which furthers the vision.  The Committee adheres to the following  compensation
policies which are intended to facilitate the achievement of KeySpan's  business
strategies:

      Executives' total compensation programs should strengthen the relationship
between pay and performance by emphasizing variable,  at- risk compensation that
is  dependent  upon the level of  success  in meeting  specified  corporate  and
strategic business group performance goals.

      An appropriate  amount of  compensation  for senior  executives  should be
comprised  of  long-term,  at-risk  pay to  focus  executives  on the  long-term
interests of shareholders.

      Each program element should target compensation  opportunities  comparable
to the compensation  paid to executives of comparable  utility  companies and at
the median of general  industry  companies  nationwide.  However,  if  KeySpan's
performance  exceeds that of the comparable group,  compensation should be above
the  median;  likewise,  if  KeySpan's  performance  falls  below  that  of  the
comparable group, the compensation paid to senior executives should be below the
median of the comparable companies.


Components of Compensation

      The Committee  compares  total  compensation  levels for KeySpan's  senior
executives to the  compensation  paid to  executives  in comparable  utility and
general industry companies  nationwide.  In this connection,  the Committee uses
analyses  prepared  by  a  national   compensation   consultant  to  review  the
competitive  compensation  levels of executives  in the utility  industry in the
regional and

                               64
<PAGE>
national marketplace.  In addition,  the Committee reviews compensation data for
executive positions  comparable in scope to those in general industry companies.
The companies analyzed in this process tend to have national business operations
and have  positions  that are similar in scope with  comparable  revenue size or
employment  levels.  Through this process the  Committee  identifies  the median
compensation  level,  both with respect to base salary and the overall executive
compensation program.

      The  Committee  ensures  that  compensation  provides for a direct link to
strategic financial measures and shareholder value for the executive officers of
KeySpan.  To achieve this  performance  linkage,  KeySpan has established  three
programs  for the direct  compensation  of executive  officers:  the Base Salary
Program,  the Annual Incentive  Compensation Plan and the Long-Term  Performance
Incentive  Compensation  Plan. The intent of the programs is to place  increased
emphasis on  performance-based  pay and reduced emphasis on fixed base salary in
determining total compensation.

      Each of the three programs is discussed in greater detail below.


The Base  Salary  Program - In setting  base  salary  levels for each  executive
officer , the Committee  considers the competitive market data for executives in
comparable  positions in other utility and general industry markets.  In setting
base  salary  levels  KeySpan  currently  targets  the  50th  percentile  of the
comparable  labor market.  The Committee also considers the experience level and
actual  performance  achieved  by  the  executive  as it  relates  to  KeySpan's
corporate  goals in setting  base  salary.  The base salary  level for the Chief
Executive  Officer  compared to competitive  market data is generally  below the
50th percentile of comparable  positions while other  executives'  base salaries
are generally at or above the 50th percentile.

      Consistent with KeySpan's ongoing effort to align total  compensation with
the competitive  marketplace,  in 1997 the company introduced significant pay at
risk for all  executives,  which  included an  increase to the annual  incentive
compensation  targets for executives.  In order to transition  executives to the
increased  targets,  the  company  did not grant merit  increases  in 1997,  and
executives  were  generally  subject  to  a  3%  base  salary   reduction.   The
compensation  of executives  has been modified by  withholding a portion of base
salary  increases  over the past  several  years in order to shift  part of base
salary to  incentive  awards.  This  shifting  of base salary to  incentives  is
anticipated  to continue in the future as more emphasis is placed upon incentive
compensation.

                                 65
<PAGE>
The Annual Incentive  Compensation Plan - The Corporate  Incentive  Compensation
Plan (the  "Annual  Plan") was adopted by the Board of Directors in fiscal 1989.
The Annual Plan was designed to provide annual  incentive awards to officers and
other key employees who, by the nature and scope of their  positions,  regularly
make  significant  contribution  to the success of KeySpan in the achievement of
corporate goals that are important to the shareholders of KeySpan.  The specific
corporate  goals for the Annual Plan are  established by management and reviewed
and approved by the Committee and the Board of Directors. The goals are intended
to improve corporate  performance and include  objectives which encourage growth
in  consolidated  net income,  increases in gross  margin,  control of operating
expenses,  improved customer  satisfaction and increased  commitment to employee
excellence.

      The  annual  incentive  award  ranges  are  established  annually  by  the
Committee for executives in the Annual Plan. Incentive award levels are intended
to provide  awards that are  competitive  within the industry  when  performance
results are fully achieved.  The Annual Plan awards range from zero to a maximum
of 200% of target,  with a target of 60% of base salary for the Chief  Executive
Officer,  to a maximum of 120%, a target of 50% of base salary for the Executive
Vice  President,  with a maximum of 100%, and a target of 40% of base salary for
the Vice Chairman, with a maximum of 80%. The targets for Senior Vice Presidents
in 1997  ranged  from  30% to 35% of base  salary,  and from 15% to 25% for Vice
Presidents.  Awards for the Chief Executive  Officer,  Executive Vice President,
and the Senior  Officers are primarily based on corporate  performance,  whereas
awards  for the Vice  Chairman  and Vice  Presidents  were  based  upon a mix of
corporate and  subsidiary or strategic  business  group  performance.  Incentive
awards to  executive  officers  for  achievement  in fiscal 1997 (paid in fiscal
1998) reflect overall  performance  results that exceeded  anticipated levels of
performance,  as  each of the  objectives  in the  Plan  were  met or  exceeded,
contributing to another year of record earnings.


The  Long-Term  Performance  Incentive  Compensation  Plan - As a result  of the
Committee's  review  of the  competitiveness  of  KeySpan's  total  compensation
program,  and an independent  consultant review of the long-term incentive plans
used by the  majority  of the  utilities  that  comprise  the  Standard & Poor's
Utilities  Index, the Committee  recommended and the Board of Directors  adopted
the Long-Term Performance Incentive  Compensation Plan (the "Long Term Plan") in
fiscal  1996.  The Long Term Plan was  approved at Brooklyn  Union's 1996 Annual
Meeting of Shareholders.  The Long Term Incentive Plan provides for the award of
Incentive Stock Options,  Nonqualified  Stock Options and Performance  Shares to
officers of KeySpan and its  subsidiaries  as determined by the  Committee.  The
purpose  of the Long  Term Plan is to  optimize  KeySpan's  performance  through
incentives  that directly link the  executive's  personal  interests to those of
KeySpan's shareholders and to attract and retain employees

                                66
<PAGE>
who make significant  contributions to the success of KeySpan.  The stock option
component  in the Long Term Plan  entitles the  executive to purchase  shares of
common stock at an exercise price per share determined by the Committee which is
at least  equal to the closing  price of shares of common  stock on the New York
Stock Exchange on the date of the grant.

      In 1997, Mr. Robert B. Catell received  options to purchase 100,000 shares
with an exercise price of $30.50 as is detailed in the Options Table. The awards
for stock options to other  executives  are also  summarized in such table.  The
Committee  believes that this equity interest  provides the appropriate  link to
the interest of the shareholders.

      The  Committee  believes  that Stock  Options  can be  directly  linked to
KeySpan's performance.  As the value of the common stock is generally considered
the strongest  indicator of overall corporate  performance,  stock option awards
allow  executives to benefit by appreciation in stock price at no immediate cost
to KeySpan and provide a strong incentive to executives by linking  compensation
to the future value of the common stock.

Policy with Respect to Section 162(m) Deduction Limit

      Under Section 162(m) of the Internal  Revenue Code,  KeySpan cannot deduct
compensation  in excess of  $1,000,000  paid in any year to the chief  executive
officer or any of the four  other most  highly  compensated  executive  officers
whose  compensation  must be detailed in the proxy statement.  Compensation paid
under plans that are  performance-based  is not subject to the $1,000,000 annual
limit if  certain  requirements  are  satisfied.  Although  KeySpan's  plans are
designed  to  relate  compensation  to  performance,   they  do  not  meet  such
requirements  because they allow the Committee to exercise discretion in setting
compensation.  The  Committee  is of the opinion  that it is in  KeySpan's  best
interest  to  have  the  Committee  retain   discretion  in  order  to  preserve
flexibility in compensating such executive  officers,  especially in light of an
increasingly competitive marketplace.

                               67
<PAGE>
SUMMARY COMPENSATION TABLE

      The following  table indicates the annual  compensation  for the Chairman,
President  and  Chief  Executive  Officer,   and  the  four  other  most  highly
compensated  executive  officers of the Company.  This information is for fiscal
years ended on September 30, 1997,  1996 and 1995. No executive  officer  serves
pursuant to an employment agreement.

<TABLE>
<CAPTION>
                                                                LONG-TERM
NAME AND PRINCIPAL                             OTHER ANNUAL   INCENTIVE PLAN
POSITION                 YEAR    SALARY($)   COMPENSATION($)     PAYOUTS($)
                                    (1)            (2)             (3)
- -------------------      -----   ---------   ---------------  --------------
<S>     <C>               <C>      <C>           <C>               <C>
Robert B. Catell          1997     468,000       495,690           358,096
Chairman, President and   1996     470,811       248,040           376,169
Chief Executive Officer   1995     434,026       152,973                 0

Craig G. Matthews         1997     338,333       297,815           261,703
Executive Vice President  1996     322,478       138,000           275,273
Utility Division          1995     283,859        86,749                 0

Helmut W. Peter           1997     291,625       205,910                 0
Vice Chairman             1996     324,103       111,680                 0
(Retired 8/97)            1995     283,859        90,939                 0

Vincent D. Enright        1997     208,792       109,798                 0
Senior Vice President,    1996     206,436        40,704                 0
Chief Financial Officer   1995     180,193        49,817                 0
& Chief Accounting Officer

David L. Phillips         1997     154,500       128,132                 0
Senior Vice President,     (*)
Strategic Planning &
Corporate Development


(1)   In  addition,  stock  options  have  been  awarded  as  indicated  in  the
      accompanying Options Table.
(2)   Represents amounts awarded for each fiscal year under the Company's Annual
      Incentive Compensation Plans.
(3)   Represents Long-Term Incentive Compensation paid by
      subsidiaries of KeySpan of $218,096 for Mr. Catell and
      $163,703 for Mr. Matthews.   Also includes cash payments
      related to a buyout of non-qualified stock options issued
      under The Houston Exploration Company  1994 Long-Term
      Incentive Plan.  Additional awards of  $459,000 related to
      these  Long-Term Incentive Plans were also made to other
      officers who are not shown in this table.

(*)   Mr. Phillips was hired 1/1/97.
</TABLE>
                                 68

<PAGE>
NON QUALIFIED STOCK OPTIONS

      The following table provides  information  regarding awards made under the
Long-Term Performance  Incentive  Compensation Plan during the fiscal year ended
September 30, 1997 to the Chairman,  President and Chief  Executive  Officer and
the four other most highly compensated executive officers of the Company and all
current
executive officers as a group.

<TABLE>
                     OPTIONS TABLE
<CAPTION>
                           % of
                          Total #             Grant
                         of Shares            Date     Total      Value of
              Securities  Granted   Options   Present  Number  In-the-Money
              Underlying    to      Exercise  Value      of     Options at
               Options    Employees   Price     of   Unexercised    FYE
               Granted     in FY    ($/share) Options  Options (Unexercised)
                                     (1)(2)     (3)      (4)         (5)
              ----------   -------  -------  --------  --------   ---------
<S>              <C>         <C>     <C>    <C>         <C>       <C>
R.B. Catell      100,000     0.28    30.50   $427,000   155,000    $638,125
C.G. Matthews     60,000     0.17    30.50    256,200    92,000     376,500
H.W. Peter (*)    24,000     0.07    30.50    102,480    56,000     273,000
V.D. Enright      26,000     0.07    30.50    111,020    42,000     176,750
D.L. Phillips     20,000     0.06    29.50     85,400    20,000      77,500
Executive
 Officers as
 a Group         273,000     0.75    30.43  1,165,710   427,600   1,789,560
(*) Retired 8/1/97

(1)   Fair Market Value of KeySpan  common stock on November 20, 1996,  the date
      of grant.
(2)   Options vest ratably  over a  three-year  period from the grant date.  The
      expiration date of the options is November 19, 2006.
(3)   Options have been valued using the Black-Scholes option
      pricing model adapted to reflect the specific provisions of
      the Company's Long-Term  Performance Incentive Compensation
      Plan and related assumptions regarding exercisability. The
      values shown are theoretical and do not  necessarily reflect
      the actual values which may be realized upon the  future
      exercise of the options. Any actual value will result to the
      extent that the market value of the common shares at a future
      date exceeds the  exercise price. Assumptions for modeling are
      based on the dividend yield,  risk-free rate of return,
      standard deviation of prices over a relevant period as of the
      grant date and the expected lives of the options.
(4)   Represents options granted in fiscal years 1997 and 1996.  No
      options have been exercised.
(5)   Represents the difference between the fiscal year-end price of $33 3/8 and
      the exercise price for grants awarded in fiscal years 1997 and 1996.
</TABLE>
                                 69

<PAGE>
      As of  December  11,  1997,  the number of  outstanding  shares of KeySpan
common  stock was  50,966,673.  The  closing  price of a share of the  Company's
common  stock on the New York Stock  Exchange on December  11, 1997 was $33.875.
The number of shares of KeySpan  common stock  reserved  for issuance  under the
Long-Term Performance Incentive Compensation Plan is 1,500,000 in the aggregate;
however,  no more than 750,000  shares of KeySpan common stock will be available
for issuance  pursuant to the exercise of Incentive  Stock Options.  The maximum
number of shares of KeySpan common stock that may be granted to any  participant
pursuant to any single award is 125,000.


PERFORMANCE GRAPH

      As shown in the table below,  for a period  beginning  September  30, 1992
through September 30, 1997, a comparison is made of cumulative total shareholder
returns for the Company's  common stock,  the Standard & Poor's  Utilities Index
and the Standard & Poor's 500 Index.

<TABLE>
<CAPTION>
                  1992     1993     1994    1995    1996    1997
                  ----     ----     ----    ----    ----    ----
<S>               <C>      <C>      <C>     <C>     <C>     <C>
KeySpan           $100     $121     $123    $129    $154    $195
S&P Utilities     $100     $124     $108    $138    $148    $169
S&P 500           $100     $113     $117    $152    $183    $257


      Assumes $100  invested on September  30, 1992 in shares of KeySpan  common
stock,  the S&P  Utilities  Index and the S&P 500 Index,  and that all dividends
were reinvested.
</TABLE>
                                70

<PAGE>
COMPENSATION UNDER RETIREMENT PLANS

      The Company's Employee  Retirement Plan provides retirement benefits based
upon the  individual  participant's  years of service and final  average  annual
compensation.   Final  average  annual   compensation   is  the  average  annual
compensation for the highest five consecutive  years of earnings during the last
ten years of credited  service.  The  following  table sets forth the  estimated
annual retirement  benefits  (exclusive of Social Security  payments) payable to
participants  in the specified  compensation  and  years-of-service  categories,
assuming  continued  active  service  until normal  retirement  age and that the
Retirement Plan is in effect at such time.

<TABLE>
<CAPTION>
                                 YEARS OF SERVICE

Remuneration(1)        20        25         30       35        40       45
- ---------------

<C>               <C>        <C>        <C>       <C>       <C>       <C>
$  300,000....... $ 90,000   $112,500   $135,000  $157,500  $180,000  $202,500
$  400,000....... $120,000   $150,000   $180,000  $210,000  $240,000  $270,000
$  500,000....... $150,000   $187,500   $225,000  $262,500  $300,000  $337,500
$  600,000....... $180,000   $225,000   $270,000  $315,000  $360,000  $405,000
$  700,000....... $210,000   $262,500   $315,000  $367,500  $420,000  $472,500
$  800,000....... $240,000   $300,000   $360,000  $420,000  $480,000  $540,000
$  900,000....... $270,000   $337,000   $405,000  $472,500  $540,000  $607,500
$1,000,000....... $300,000   $375,000   $450,000  $525,000  $600,000  $675,000
$1,100,000....... $330,000   $412,500   $495,000  $577,500  $660,000  $742,500
$1,200,000....... $360,000   $450,000   $540,000  $630,000  $720,000  $810,000

(1) Calculated as the average of the highest five consecutive  years of earnings
during the last ten years of credited service.
</TABLE>

      The  number  of  years  of  credited  service  for  each of the  Chairman,
President and Chief Executive  Officer and the four other highest paid executive
officers  based on continued  service to normal  retirement age will be for R.B.
Catell (44 years),  C.G.  Matthews  (42  years),  H.W.  Peter (25  years),  D.L.
Phillips, (24 years), and V.D. Enright (43 years).

      The  Internal  Revenue  Code  of  1986,  as  amended,  limits  the  annual
compensation  taken into  consideration  for and the maximum  annual  retirement
benefits  payable to a participant  under the  Employees'  Retirement  Plan. For
fiscal 1997,  these  limits were  $160,000 and  $125,000,  respectively.  Annual
retirement  benefits  attributable  to  amounts  in excess of these  limits  are
provided  under the  Supplemental  Retirement  Plan of KeySpan and not under the
Employees' Retirement Plan.

                                  71
<PAGE>
EXECUTIVE COMPENSATION--1998

      On November 21, 1997, the Board of Directors, acting on the recommendation
of the Organization and Nominating Committee, approved base salary and incentive
compensation plan  recommendations  for 1998 to further align total compensation
of  officers  with  corporate  performance  measures.  The Board  elected not to
increase  the  salary of the Chief  Executive  Officer in  contemplation  of the
combination with LILCO, and approved market based salary adjustments of lump sum
increases for most other officers,  as KeySpan  continues to place less emphasis
on base pay. In addition,  Nonqualified  Stock Options  covering  426,000 shares
were granted to officers to further  align  compensation  to the interest of the
shareholders.


SENIOR EXECUTIVE CHANGE OF CONTROL SEVERANCE PLAN

      Under Senior  Executive  Change of Control  Severance Plan (the "Severance
Plan"), participants are entitled to receive certain severance benefits if their
employment is terminated under certain  circumstances within three years after a
transaction  that meets the definition of "change of control" under the terms of
the Severance Plan. A termination by the employer without "cause" (as defined in
the Severance Plan) or by the  participants for "good reason" (as defined in the
Severance Plan, and including a significant  diminution of responsibilities,  an
assignment to  inappropriate  duties,  a material  reduction in  compensation or
benefits,  or a transfer of more than 50 miles), within the later of (i) the end
of 15 months  after the  "change  of  control"  or (ii) 90 days  after the "good
reason" event occurs, will result in the payment of benefits under the Severance
Plan.

      A participant who becomes entitled to severance  benefits will receive the
following:  a lump sum cash payment of salary,  previously deferred compensation
and  accrued  vacation  pay through  the date of  termination  to the extent not
already  paid,  a  pro  rata  bonus  for  the  year  of  termination,   and  the
participant's base salary and bonus for the Severance Period (as defined below);
continued employee welfare benefits for the Severance Period; a lump sum payment
equal to the actuarial value of the additional  benefits under Brooklyn  Union's
qualified and supplemental  retirement plans the participant would have received
had he remained employed for the Severance Period; and outplacement  services at
a cost not more than  $30,000.  In  addition,  the  participant  will receive an
additional payment, if necessary,  to make such participant whole for any excise
tax on excess  parachute  payments  imposed on the  participant.  The "Severance
Period"  is a  period  of  either  two or  three  years  (as  designated  by the
Organization  and Nominating  Committee) or, if less, the period remaining until
the  participant   reaches  mandatory   retirement  age.  For  the  purposes  of
eligibility for retirement, medical, dental and

                                72
<PAGE>
life insurance, the participant will be deemed to remain employed for the entire
Severance Period.

      The  designated  participants  in the Severance Plan are Robert B. Catell,
Craig G.  Matthews,  Helmut W.  Peter,  Vincent D.  Enright,  and 7 Senior  Vice
Presidents of Brooklyn  Union (each with  three-year  Severance  Periods) and 12
Vice Presidents of Brooklyn Union (each with two-year Severance Periods). If the
Combination  occurred on January 1, 1998, and all  participants in the plan were
terminated immediately thereafter,  it is estimated that the aggregate after-tax
cost of the severance  benefits under the Severance Plan would be  approximately
$19,833,000.

Item 12.  Security Ownership of Certain Beneficial Owners and
          Management

SECURITY OWNERSHIP OF DIRECTORS AND CERTAIN EXECUTIVE OFFICERS

      The following table sets forth  information as of September 30, 1997, with
respect to the number of shares of common stock beneficially owned and/or Common
Stock Equivalents  owned by the directors and certain executive  officers of the
Company.

<TABLE>
<CAPTION>
                       TOTAL OF
                     COMMON STOCK
                     BENEFICIALLY    COMMON STOCK
                        OWNED &      BENEFICIALLY    COMMON STOCK
                     EQUIVALENTS        OWNED        EQUIVALENTS
                                                          (1)
                    -------------    ------------    -----------
<S>                      <C>              <C>           <C>
R.B. Catell                26,518          18,905         7,613
K.I. Chenault               4,614           1,568         3,046
A.H. Fishman                6,986           2,762         4,224
C.G. Matthews              16,303          11,930         4,373
E.D. Miller                 7,874           6,342         1,532
H.W. Peter (*)             15,017          10,630         4,387
J.Q. Riordan                8,586           1,500         7,086
D.L. Phillips                 144             144             0
V.D. Enright                6,666           4,633         2,033
All Directors
 and Executive
 Officers as a
 group, including
 those named above        116,796          78,996        37,800


(1)Certain of the  Directors  have  elected  to have  deferred  Directors'  fees
   invested in Common Stock Equivalents.

* Retired 8/1/97
</TABLE>

                                 73
<PAGE>
Item 13.  Certain Relationships and Related Transactions

      There  are  no  transactions,   or  series  of  similar  transactions,  or
contemplated  transactions  which have occurred  since the beginning of the last
fiscal  year of the Company  which  exceed  $60,000 and involve any  director or
executive officer of the Company.

      No  executive  officer or  director  of the  Company  was  indebted to the
Company or its  subsidiaries  at any time since the beginning of the last fiscal
year of the Company in an amount in excess of $60,000.

Part   IV

Item 14.  Exhibits, Financial Statement Schedules, and Reports on
          Form 8-K

(a)   1.  All Financial Statements
                                                          Page in
                                                         Form 10-K
                                                         ----------
Report of Independent Public Accountants                      31

Summary of Significant Accounting Policies and
  Basis of Financial Statement Presentation                   32

Consolidated Statement of Income for the Years
  Ended September 30, 1997, 1996 and 1995                     36

Consolidated Statement of Retained Earnings for
  the Years Ended September 30, 1997, 1996
   and 1995                                                   36

Consolidated Balance Sheet at September 30, 1997
  and 1996                                                    37

Consolidated Statement of Capitalization at
  September 30, 1997 and 1996                                 38

Consolidated Statement of Cash Flows for the
  Years Ended September 30, 1997, 1996 and 1995               39

Notes to Consolidated Financial Statements                    40

Consolidated Schedule of Valuation and Qualifying Accounts
  for the Years Ended September 30, 1997, 1996 and 1995       82

(a)   2.  Financial Statement Schedules

      The unaudited  pro forma  combined  condensed  financial  information  for
KeySpan Energy Corporation and Long Island Lighting

                                 74
<PAGE>
Company at September 30, 1997 and for the twelve months ended September 30, 1997
contained in the  Company's  Report on Form 8-K,  dated  December 19, 1997,  and
LILCO's  Quarterly  Report on Form 10-Q for the quarterly period ended September
30, 1997, are filed herewith as exhibits under Exhibit 99, and are  incorporated
herein and in this Form 10-K by reference.

      The  following  additional  data  should be read in  conjunction  with the
financial  statements included in Part II, Item 8. Schedules not included herein
have been omitted because they are not applicable or the required information is
shown in such financial statements or notes thereto.

(a)  3.   Exhibits

(2)  Plan of Acquisition, Reorganization, Arrangement, Liquidation
or Succession

Amended and Restated Agreement and Plan of Exchange and Merger, dated as of June
      26, 1997,  by and between The  Brooklyn  Union Gas Company and Long Island
      Lighting  Company,  incorporated  by  reference  from  Annex A of Form S-4
      Registration Statement No.
      333-30407.

Amended and Restated LILCO Stock Option Agreement, dated as of June 26, 1997, by
      and between  The  Brooklyn  Union Gas  Company  and Long  Island  Lighting
      Company,  incorporated by reference from Annex B of Form S-4  Registration
      Statement No. 33-30407.

Amended and Restated Brooklyn Union Stock Option Agreement, dated as of June 26,
      1997,  by and  between  The  Brooklyn  Union Gas  Company  and Long Island
      Lighting  Company,  incorporated  by  reference  from  Annex C of From S-4
      Registration Statement No.
      333-30407.

Agreement and Plan of Merger, dated as of June 26, 1997, by and among BL Holding
      Corp., Long Island Lighting Company,  Long Island Power Authority and LIPA
      Acquisition Corp., incorporated by reference from Annex D of Form S-4
      Registration Statement No. 333-30407.

(3)  Articles of  Incorporation and By-laws

Restated Certificate of Incorporation  and By-laws of the Company,  incorporated
      by  reference  from  Annex  L  of  Form  S-4  Registration  Statement  No.
      333-30407,  as amended to indicate that the annual meeting of shareholders
      of the Company shall be held at such date and time, on or prior to the end
      of the fiscal year, as may be designated by the Board of Directors for the
      election  of  Directors  or for any  other  proper  business  which may be
      transacted at an annual meeting.


                                75
<PAGE>
(4)  Instruments defining the rights of security holders, including
      indentures:

Official  Statement,  dated February 23, 1989,  respective of $90,000,000 of the
    New York  State  Research  and  Development  Authority  Adjustable  Rate Gas
    Facilities  Revenue  Bonds Series 1989A and Series  1989B,  incorporated  by
    reference from Form S-8 Registration Statement No. 33-29898.

Participation  Agreement,  dated as of  February  1, 1989,  between the New York
    State Energy Research and  Development  Authority and The Brooklyn Union Gas
    Company relating to the Adjustable Rate Gas Facilities  Revenue Bonds Series
    1989A, incorporated by reference from Form 10-K for the year ended September
    30, 1989.

Participation  Agreement,  dated as of  February  1, 1989,  between the New York
    State Energy Research and  Development  Authority and The Brooklyn Union Gas
    Company relating to the Adjustable Rate Gas Facilities  Revenue Bonds Series
    1989B, incorporated by reference from Form 10-K for the year ended September
    30, 1989.

Indenture of Trust,  dated  February 1, 1989,  between the New York State Energy
    Research and Development  Authority and Manufacturers Hanover Trust Company,
    as Trustee,  relating to the Adjustable  Rate Gas  Facilities  Revenue Bonds
    Series 1989A,  incorporated  by reference  from Form 10-K for the year ended
    September 30, 1989.

Indenture of Trust,  dated  February 1, 1989,  between the New York State Energy
    Research and Development  Authority and Manufacturers Hanover Trust Company,
    as Trustee,  relating to the Adjustable  Rate Gas  Facilities  Revenue Bonds
    Series 1989B,  incorporated  by reference  from Form 10-K for the year ended
    September 30, 1989.

Official  Statement,  dated July 24, 1991,  respective of $50,000,000 of the New
    York State Research and Development  Authority Gas Facilities  Revenue Bonds
    Series 1991A and  $50,000,000 of the New York State Research and Development
    Authority  Gas  Facilities  Revenue  Bonds  Series  1991B,  incorporated  by
    reference from Form 10-K for the year ended September 30, 1991.

Participation  Agreement,  dated as of July 1,  1991,between  the New York State
   Energy Research and Development  Authority and The Brooklyn Union Gas Company
   relating  to the  Gas  Facilities  Revenue  Bonds  Series  1991A  and  1991B,
   incorporated  by reference  from Form 10-K for the year ended  September  30,
   1991.

Indenture of Trust, dated as of July 1, 1991, between the
    New York State Energy Research and Development Authority and
    Manufacturers Hanover Trust Company, as Trustee, relating to

                               76
<PAGE>
    the Gas  Facilities  Revenue Bonds Series 1991A and 1991B,  incorporated  by
    reference from Form 10-K for the year ended September 30, 1991.

Official  Statement,  dated July 23, 1992,  respective of $37,500,000 of the New
   York State Energy Research and Development  Authority Gas Facilities  Revenue
   Bonds Series 1993A and  $37,500,000 of the New York State Energy Research and
   Development Authority Gas Facilities Revenue Bonds Series 1993B, incorporated
   by reference from Form 10-K for the year ended September 30, 1992.

Participation  Agreement,  dated as of July 1, 1992,  between the New York State
   Energy Research and Development  Authority and The Brooklyn Union Gas Company
   relating  to the  Gas  Facilities  Revenue  Bonds  Series  1993A  and  1993B,
   incorporated  by reference  from Form 10-K for the year ended  September  30,
   1992.

Indenture of Trust,  dated as of July 1, 1992, between the New York State Energy
   Research and Development Authority and Chemical Bank, as Trustee, relating to
   the Gas Facilities Revenue Bonds Form Series 1993A and 1993B, incorporated by
   reference from Form 10-K for the year ended September 30, 1992.

Official Statement,  dated April 29, 1992,  respective of $90,000,000 of the New
   York State Energy  Research and Development  Authority,  6.75% Gas Facilities
   Revenue Bonds,  replacing  $45,000,000  Series 1989A and  $45,000,000  Series
   1989B,  incorporated by reference from Form 10-K for the year ended September
   30, 1992.

First  Supplemental   Participation  Agreement  dated  as  of  May  1,  1992  to
   Participation  Agreement  dated  February 1, 1989  between the New York State
   Energy Research and Development  Authority and The Brooklyn Union Gas Company
   relating to Adjustable Rate Gas Facilities  Revenue Bonds,  Series 1989A & B,
   incorporated  by reference  from Form 10-K for the year ended  September  30,
   1992.

First  Supplemental  Trust  Indenture dated as of May 1, 1992 to Trust Indenture
   dated  February  1, 1989  between  the New York  State  Energy  Research  and
   Development  Authority and Manufacturers  Hanover Trust Company,  as Trustee,
   relating to Adjustable Rate Gas Facilities  Revenue Bonds,  Series 1989A & B,
   incorporated  by reference  from Form 10-K for the year ended  September  30,
   1992.

Official  Statement,  dated July 15, 1993,  respective of $25,000,000 of the New
   York State Energy Research and Development  Authority Gas Facilities  Revenue
   Bonds Series D-1 and  $25,000,000  of the New York State Energy  Research and
   Development  Authority Gas Facilities Revenue Bonds Series D-2,  incorporated
   by reference from Form S-8 Registration Statement No. 33-66182.


                                77
<PAGE>
Participation Agreement,  dated July 15, 1993, between the New York State Energy
   Research  and  Development  Authority  and The  Brooklyn  Union  Gas  Company
   relating to the Gas  Facilities  Revenue Bonds Series D-1 1993 and Series D-2
   1993,  incorporated  by reference  from Form S-8  Registration  Statement No.
   33-66182.

Indenture of Trust,  dated July 15,  1993,  between  The New York  State  Energy
   Research and Development Authority and Chemical Bank as Trustee,  relating to
   the Gas  Facilities  Revenue  Bonds  Series  D-1 1993 and  Series  D-2  1993,
   incorporated by reference from Form S-8 Registration Statement No. 33-60182.

Official  Statement,  dated July 8, 1993,  respective of  $55,000,000 of the New
   York State Energy Research and Development  Authority Gas Facilities  Revenue
   Bonds Series C,  incorporated  by reference from Form 10-K for the year ended
   September 30, 1993.

First  Supplemental  Participation  Agreement  dated  as  of  July  1,  1993  to
   Participation  Agreement dated as of June 1, 1990, between the New York State
   Energy Research and Development  Authority and The Brooklyn Union Gas Company
   relating to Gas Facilities  Revenue Bonds Series C, incorporated by reference
   from Form 10-K for the
   year ended September 30, 1993.

First  Supplemental  Trust Indenture dated as of July 1, 1993 to Trust Indenture
   dated as of June 1, 1990  between  the New York  State  Energy  Research  and
   Development  Authority  and  Chemical  Bank,  as  Trustee,  relating  to  Gas
   Facilities  Revenue Bonds Series C,  incorporated by reference from Form 10-K
   for the year ended September 30, 1993.

Official  Statement,  dated January 15, 1996,  respective of $153,500,000 of the
   New  York  State  Energy  Research  and  Development  Authority,  5 1/2%  Gas
   Facilities Revenue Bonds Series 1996, replacing  $98,500,000 Series 1985A and
   $55,000,000  Series 1985,  incorporated  by reference  from Form 10-K for the
   year ended September 30, 1996.

Participation  Agreement,  dated  January 1, 1996,  between  the New York Energy
   Research  and  Development  Authority  and The  Brooklyn  Union  Gas  Company
   relating to the Gas  Facilities  Revenue Bonds Series 1996,  incorporated  by
   reference from Form 10-K for the year ended September 30, 1996.

Indenture of Trust,  dated  January 1, 1996,  between The New York State  Energy
   Research and Development Authority and Chemical Bank, as Trustee, relating to
   the Gas Facilities Revenue Bonds Series 1996,  incorporated by reference from
   Form 10-K for the year ended September 30, 1996.

Official Statement, dated January 10, 1997, respective of
   $125,000,000 of New York State Energy Research and Development

                                78
<PAGE>
   Authority, Gas Facilities Revenue Bonds 1997 Series A.

Participation Agreement, dated as of January 1, 1997, between the
   New York State Energy Research and Development Authority and
   The Brooklyn Union Gas Company relating to the Gas Facilities
   Revenue Bonds 1997 Series A.

Indenture of Trust,  dated  January 1, 1997,  between the New York State  Energy
   Research and  Development  Authority  and Chase  Manhattan  Bank, as Trustee,
   relating to the Gas Facilities Revenue Bonds 1997 Series A.


(10)  Material contracts

Deferred Compensation Plan Preamble,  dated, December 17, 1986,  incorporated by
   reference from Form 10-K for the year ended September 30, 1987.

Corporate Incentive  Compensation  Plan  Description,  incorporated by reference
   from Form 10-K for the year ended September 30, 1989.

Marketing Incentive  Compensation  Plan  Description,  incorporated by reference
   from Form 10-K for the year ended September 30, 1989.

Deferral Plan for Incentive Awards  Description,  incorporated by reference from
   Form 10-K for the year ended September 30, 1989.

Agreement of Lease between  Forest City Jay Street  Associates  and The Brooklyn
   Union Gas Company dated  September 15, 1988,  incorporated  by reference from
   Form 10-K for the year ended September 30, 1990.

Long-Term  Performance  Incentive  Compensation  Plan,  dated  November 15, 1995
   incorporated  by reference from Form 10-K/A for the year ended  September 30,
   1996.


(11)  Statement re:  Computation  of per share  earnings.  See Part II, Item 8.,
      "Financial  Statements and Supplementary  Data- Consolidated  Statement of
      Income  for the Years  Ended  September  30,  1997,  1996 and  1995,"  for
      information required by this item.

(12) Statement re: Computation of consolidated ratio of earnings to
     fixed charges

(21) Subsidiaries of the registrant

(23) Consents of experts

                                   79
<PAGE>
(27) Financial data schedule

(99) Additional Exhibits

      Report on Form 8-K,  dated December 19, 1997,  incorporated  by reference,
see (b) below.

(b)   Reports on Form 8-K:

      On December 19,  1997,  the Company  filed a report on Form 8-K  providing
disclosure  applicable to the unaudited pro forma combined  condensed  financial
information  for the Company and Long Island  Lighting  Company at September 30,
1997 and for the twelve months ended September 30, 1997. The unaudited pro forma
combined condensed  financial  information  reflects the condensed  consolidated
financial  information of the Company and Long Island Lighting Company contained
in their  Reports on Form 10-K for the fiscal year ended  September 30, 1997 and
Form 10-Q for the quarter ended September 30, 1997, respectively.

      On September  29, 1997,  the Company  filed a report on Form 8-K providing
the disclosure  applicable to the  effectiveness  of KeySpan Energy  Corporation
becoming the parent  holding  company in connection  with the  restructuring  of
Brooklyn Union.

      On September 19, 1997, Brooklyn Union filed a report on Form 8-K providing
disclosure  applicable to the unaudited pro forma combined  condensed  financial
information for Brooklyn Union and Long Island Lighting Company at June 30, 1997
and for the twelve months ended June 30, 1997.  The unaudited pro forma combined
condensed financial  information reflects the condensed  consolidated  financial
information  of Brooklyn  Union and Long Island  Lighting  Company  contained in
their respective Quarterly Reports on Form 10-Q.

      On September 19, 1997, Brooklyn Union filed a report on Form 8-K providing
the disclosure relating to the redemption of all outstanding shares of its 4.60%
Cumulative  Preferred Stock and the definitive agreement to sell Gas Energy Inc.
and Gas Energy Cogeneration Inc.

                                  80
<PAGE>
                                  SIGNATURES

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this  report  has  been  signed  by  the  following  persons  on  behalf  of the
registrant, and in the capacities indicated on December 19, 1997.

                          KEYSPAN ENERGY CORPORATION


        Signature                           Title

   s/Robert B. Catell                Chairman, President and Chief
- ---------------------------            Executive Officer and
    (Robert B. Catell)                 Director

   s/Craig G. Matthews               Executive Vice President -
- ---------------------------            Utility Division and
    (Craig G. Matthews)                Director

   s/Vincent D. Enright              Senior Vice President,
- ---------------------------            Chief Financial Officer
    (Vincent D. Enright)               and Chief Accounting Officer

   s/Kenneth I. Chenault             Director
- ---------------------------
    (Kenneth I. Chenault)

   s/Alan H. Fishman                 Director
- ---------------------------
    (Alan H. Fishman)

   s/Edward D. Miller                Director
- ---------------------------
    (Edward D. Miller)

   s/Helmut W. Peter                 Director
- ---------------------------
    (Helmut W. Peter)

   s/James Q. Riordan                Director
- ---------------------------
    (James Q. Riordan)


                                 81
<PAGE>
<TABLE>

                   KEYSPAN ENERGY CORPORATION AND SUBSIDIARIES
           CONSOLIDATED SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS
              FOR THE YEARS ENDED SEPTEMBER 30, 1997, 1996 AND 1995
========================================================================================================
                             (Thousands of Dollars)

<CAPTION>

     COLUMN A                        COLUMN B         COLUMN C        COLUMN D          COLUMN E
                                     Balance at       Additions                         Balance at
                                     Beginning       Charged to                           End of
     Description                     of Period         Expense        Deductions          Period
========================================================================================================


<S>                                     <C>              <C>              <C>               <C>
Year Ended September 30, 1997
Allowance for Uncollectible Accounts    $15,616          $19,082          $20,370           $14,328
                                     -----------  ---------------  ---------------   ---------------

Reserve for Injuries and Damages
Public Liability                         $8,276           $8,139           $3,415           $13,000
Workers' Compensation                       847              600              162             1,285
                                   -------------  ---------------  ---------------   ---------------
                                         $9,123           $8,739           $3,577           $14,285
                                   =============  ===============  ===============   ===============


Year Ended September 30, 1996
Allowance for Uncollectible Accounts    $13,730          $20,676          $18,790           $15,616
                                   -------------  ---------------  ---------------   ---------------

Reserve for Injuries and Damages
Public Liability                         $5,900           $5,788           $3,412            $8,276
Workers' Compensation                     1,590              450            1,193               847
                                   -------------  ---------------  ---------------   ---------------
                                         $7,490           $6,238           $4,605            $9,123
                                   =============  ===============  ===============   ===============



Year Ended September 30, 1995
Allowance for Uncollectible Accounts    $14,963          $17,494          $18,727           $13,730
                                   -------------  ---------------  ---------------   ---------------

Reserve for Injuries and Damages
Public Liability                         $5,350           $4,368           $3,818            $5,900
Workers' Compensation                     1,425              500              335             1,590
                                   -------------  ---------------  ---------------   ---------------
                                         $6,775           $4,868           $4,153            $7,490
                                   =============  ===============  ===============   ===============


========================================================================================================
</TABLE>
                                                    82
<TABLE>
                                                                              Exhibit 12

                  KEYSPAN ENERGY CORPORATION AND SUBSIDIARIES

          Computation of Consolidated Ratio of Earnings to Fixed Charges

<CAPTION>
==========================================================================================
                         Fiscal Year Ended September 30,

                                     1997       1996       1995      1994         1993
==========================================================================================

                             (Thousands of Dollars)
<S>                              <C>        <C>        <C>        <C>        <C>
Earnings
   Net Income                    $  121,362 $  122,908 $   91,835 $   87,384 $   76,563
   Federal Income Tax                62,356     59,369     42,040     40,698     41,483
   Interest on Long-Term Debt        38,514     46,803     47,939     48,084     46,353
   Other Interest Charges             6,071      4,918      5,128      2,787      2,617
   Portion of Rentals Representing
      Interest                        4,353      4,626      4,883      5,196      4,256
   Adjustment Related to Equity
      Investments                       330     (1,005)       174       (601)       729
- ------------------------------------------------------------------------------------------
Earnings Available to Cover
      Fixed Charges              $  232,986 $  237,619 $  191,999 $  183,548 $  172,001
==========================================================================================


Fixed Charges
   Interest on Long-Term Debt    $   43,571 $   50,067 $   50,521 $   49,280 $   47,017
   Other Interest Charges             6,071      4,918      5,128      2,787      2,617
   Portion of Rentals Representing
      Interest                        4,353      4,626      4,883      5,196      4,256

- ------------------------------------------------------------------------------------------
Total Fixed Charges              $   53,995 $   59,611 $   60,532 $   57,263 $   53,890
==========================================================================================

Ratio of Earnings to Fixed
   Charges                             4.31       3.99       3.17       3.21       3.19
==========================================================================================
</TABLE>



                                         Exhibit 21


PRINCIPAL OPERATING SUBSIDIARIES AND AFFILIATES


THE BROOKLYN UNION GAS COMPANY One MetroTech Center Brooklyn, New York 11201

Robert B. Catell
Chairman and Chief Executive Officer
Craig G. Matthews
President and Chief Operating Officer

THE HOUSTON EXPLORATION COMPANY
1100 Louisiana, Suite 2000
Houston, Texas  77002

James G. Floyd
President and Chief Executive Officer

GAS ENERGY INC.
GAS ENERGY COGENERATION INC.
111 Livingston Street
Brooklyn, New York 11201

David S. Milne,Jr.
President and Chief Executive Officer

KEYSPAN ENERGY SERVICES INC.
300 First Stamford Place
Stamford, Connecticut  06902

Orlando M. Magnani
President

KEYSPAN ENERGY MANAGEMENT INC.
30 Jericho Executive Plaza
Center Wing
Jericho, New York  11753

Stephen E. Martin
President


                                          Exhibit 23



          CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation of our
report  included  in  this  Form  10-K  into  the  Company's   previously  filed
Registration  Statements File Nos. 33- 66182, 333-04863,  333-03441,  333-06257,
333-18025.





                                   ARTHUR ANDERSEN LLP



December 19, 1997
New York, New York





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