KEYSPAN CORP
S-3/A, 2000-10-13
NATURAL GAS DISTRIBUTION
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    As Filed with the Securities and Exchange Commission on October 13, 2000
                                                      Registration No. 333-43768
--------------------------------------------------------------------------------




                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                      ------------------------------------

                               Amendment No. 1 to
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      under
                           THE SECURITIES ACT OF 1933

                      ------------------------------------


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



                                    NEW YORK
                            (State of incorporation)
                                   11-3431358
                     (I.R.S. employer identification number)

                      ------------------------------------

                            STEVEN L. ZELKOWITZ, ESQ.
                 ONE METROTECH CENTER, BROOKLYN, NEW YORK 11201
              175 EAST OLD COUNTRY ROAD, HICKSVILLE, NEW YORK 11801
                            (718) 403-1000 (BROOKLYN)
                           (516) 755-6650 (HICKSVILLE)
                          (Address, including zip code,
                              and telephone number,
                             including area code, of
                             registrant's principal
                           executive offices and agent
                                  for service)



                      ------------------------------------



                                    COPY TO:

                             RAYMOND W. WAGNER, ESQ.
                           SIMPSON THACHER & BARTLETT
                              425 LEXINGTON AVENUE
                          NEW YORK, NEW YORK 10017-3954



                      ------------------------------------

        APPROXIMATE  DATE OF COMMENCEMENT OF PROPOSED SALE TO PUBLIC:  From time
to time after this  Registration  Statement  becomes  effective as determined by
market conditions.

                      ------------------------------------


        If the only securities  being  registered on this form are being offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. |_|

        If any of the securities being registered on this form are to be offered
on a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act
of 1933,  other than  securities  offered only in  connection  with  dividend or
interest reinvestment plans, check the following box. |X|

        If this form is filed to register additional  securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. |_|

        If this form is a post-effective amendment filed pursuant to Rule 462(c)
under the  Securities  Act,  check the following box and list the Securities Act
registration  statement number of the earlier effective  registration  statement
for the same offering. |_|

        If delivery of the  prospectus  is expected to be made  pursuant to Rule
434, please check the following box. |_|

        THE REGISTRANTS HEREBY AMEND THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE  NECESSARY  TO DELAY ITS  EFFECTIVE  DATE UNTIL THE  REGISTRANTS
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY  STATES THAT THIS REGISTRATION
STATEMENT SHALL  THEREAFTER  BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OR UNTIL THIS  REGISTRATION  STATEMENT SHALL BECOME EFFECTIVE
ON SUCH DATE AS THE SECURITIES AND EXCHANGE COMMISSION,  ACTING PURSUANT TO SAID
SECTION 8(A), MAY DETERMINE.
<TABLE>
------------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
                                            CALCULATION OF REGISTRATION FEE
<S>                                       <C>                    <C>                        <C>                     <C>
                                                                       PROPOSED                  PROPOSED
                                                                       MAXIMUM                    MAXIMUM
     TITLE OF EACH CLASS OF                AMOUNT TO BE            AGGREGATE PRICE               AGGREGATE              AMOUNT OF
  SECURITIES TO BE REGISTERED               REGISTERED               PER UNIT (2)           OFFERING PRICE (2)      REGISTRATION FEE
Debt Securities                            $1,650,000,000 (1)           100%                 $1,650,000,000            $435,600 (3)
====================================================================================================================================
</TABLE>
(1)     Or an equivalent amount, based upon the exchange rate on the applicable
        trade date, in a foreign currency or currency unit identified by
        the Issuer on the issue date.
(2)     Estimated solely for the purpose of calculating the registration fee.
(3)     Previously paid.


                                        1


<PAGE>




                  SUBJECT TO COMPLETION, DATED OCTOBER 13, 2000

PROSPECTUS

                                [GRAPHIC OMITTED]






                               KEYSPAN CORPORATION

                                 $1,650,000,000
                                 DEBT SECURITIES

-       We plan to issue up to $1,650,000,000 of debt securities.

-       The debt  securities  may be offered as  separate  series,  in  amounts,
        prices and on terms to be  determined  at the time of the sale.  When we
        offer debt securities,  we will provide you with a prospectus supplement
        or a term  sheet  describing  the  terms of the  specific  issue of debt
        securities including the offering price of the securities.

-       We may sell the debt securities to agents, underwriters or dealers, or
        may sell them directly to other purchasers.

-       You should read this  prospectus  and the  prospectus  supplement or the
        term sheet relating to the specific issue of debt  securities  carefully
        before you invest.

                      ------------------------------------


        Neither the Securities and Exchange  Commission nor any state securities
commission  has approved or disapproved  these  securities or determined if this
prospectus  is truthful or  complete.  Any  representation  to the contrary is a
criminal offense.

     The information in this  prospectus is not complete and may be changed.  We
may not sell these securities  until the  registration  statement filed with the
Securities and Exchange Commission is effective. This prospectus is not an offer
to  sell  these  securities  and it is not  soliciting  an  offer  to buy  these
securities in any state where the offer or sale is not permitted.


                 The date of this prospectus is October , 2000.





<PAGE>


<TABLE>
                                TABLE OF CONTENTS

                                                                                                                        Page
<CAPTION>
<S>                                                                                                                     <C>
About this Prospectus......................................................................................................1

Risk Factors...............................................................................................................1

Where You Can Find More Information........................................................................................1

Forward-Looking Statements.................................................................................................2

KeySpan ...................................................................................................................3

Use of Proceeds............................................................................................................4

Ratio of Earnings to Fixed Charges.........................................................................................4

Description of Securities..................................................................................................5

Certain U.S. Federal Income Tax Consequences to Non-U.S. Persons .........................................................18

Plan of Distribution......................................................................................................20

Legal Opinions............................................................................................................22

Experts ..................................................................................................................22
</TABLE>
<PAGE>



                              ABOUT THIS PROSPECTUS



        As used in this prospectus and any prospectus  supplement or term sheet,
except as the context otherwise requires,  "we," "us," "our," "our Company," and
"KeySpan" mean KeySpan Corporation, together with its consolidated subsidiaries.


                                  RISK FACTORS

        For each series of debt  securities,  we will include risk  factors,  if
appropriate, in the prospectus supplement relating to that series.


                       WHERE YOU CAN FIND MORE INFORMATION

        We file annual,  quarterly and special  reports,  proxy  statements  and
other  information with the SEC. You may read and copy any of these documents at
the SEC's public  reference  rooms in  Washington,  D.C., New York, New York and
Chicago, Illinois. Please call the SEC at 1-800-SEC-0330 for further information
on the public  reference rooms. Our SEC filings are also available to the public
on the SEC's web site at http://www.sec.gov.

        We filed a registration  statement on Form S-3 with the SEC covering the
debt  securities.  For further  information on us and the debt  securities,  you
should refer to the  registration  statement and its exhibits.  This  prospectus
summarizes material provisions of the indenture.  Because the prospectus may not
contain all the information  that you may find important,  you should review the
full text of these  documents.  We have included copies of these documents in an
exhibit to our registration statement of which this prospectus is a part.

        The SEC allows us to "incorporate by reference" the information  that we
file with the SEC, which means that we can disclose important information to you
by referring you to those documents.  The information  incorporated by reference
is considered to be part of this prospectus,  and later  information that the we
file with the SEC will automatically  update and supersede this information.  We
incorporate by reference the documents  listed below and any future filings made
with the SEC  under  Sections  13(a),  13(c),  14,  or  15(d) of the  Securities
Exchange Act of 1934 until all of the securities are sold.

     - Our Annual  Report on Form 10-K for the fiscal  year ended  December  31,
1999;

     - Our Quarterly  Report on Form 10-Q for the quarterly  periods ended March
31, 2000 and June 30, 2000;

     - Our  Current  Reports on Form 8-K  January 19,  2000,  January 27,  2000,
February 1, 2000,  March 27, 2000,  July 12, 2000,  July 26, 2000 and October 6,
2000.

        You may request a copy of these filings,  or any of our SEC filings,  at
no cost, over the Internet at our web site at http://www.keyspanenergy.com or by
writing or telephoning us at the following address:

                               Investor Relations
                               KeySpan Corporation
                              One MetroTech Center
                            Brooklyn, New York, 11201
                                 (718) 403-3385




                                        1

<PAGE>



        You should rely only on the  information  incorporated  by  reference or
provided  in this  prospectus  or any  supplement  or term  sheet.  We have  not
authorized  anyone else to provide you with  different  information.  We are not
making an offer of these  debt  securities  in any state  where the offer is not
permitted.  You should not assume that the information in this prospectus or any
supplement  is accurate as of any date other than the date on the front of these
documents.


                           FORWARD-LOOKING STATEMENTS

        Some of the  information  included in this  prospectus,  any  prospectus
supplement  or term sheet and the  documents we have  incorporated  by reference
contain forward-looking  statements within the meaning of the Private Securities
Litigation  Reform Act of 1995,  as amended.  Such  statements  relate to future
events or our future financial  performance.  We use words such as "anticipate,"
"believe," "expect," "may," "project," "will" or other similar words to identify
forward-looking statements.

        Without limiting the foregoing, all statements relating to our

           -   anticipated capital expenditures,

           -   future cash flows and borrowings,

           -   pursuit of potential future acquisition opportunities, and

           -   sources of funding

are forward-looking  statements.  These forward-looking  statements are based on
numerous assumptions that we believe are reasonable, but they are open to a wide
range of  uncertainties  and  business  risks  and  actual  results  may  differ
materially from those discussed in these statements.

        Among the factors that could cause actual  results to differ  materially
are:

           -   available sources and costs of fuel;

           -   volatility of energy prices in a deregulated market environment;

           -   federal   and  state   regulatory   initiatives   that   increase
               competition,  threaten  cost and  investment  recovery and impact
               rate structure;

           -   our ability to successfully reduce our cost structures;

           -   the successful integration of Eastern and EnergyNorth;

           -   the degree to which we develop unregulated business ventures;

           -   our ability to identify and make complementary acquisitions, as
               well as the successful integration of those acquisitions; and

           -   inflationary trends and interest rates.




                                        2

<PAGE>



        When considering these  forward-looking  statements,  you should keep in
mind the cautionary  statements in this document,  any prospectus  supplement or
term sheet and the documents incorporated by reference. We will not update these
statements unless the securities laws require us to do so.


                                     KEYSPAN

      KeySpan was formed in connection  with a business  combination in May 1998
of KeySpan Energy Corporation, the parent of The Brooklyn Union Gas Company, and
certain businesses of the Long Island Lighting Company. Our core business is gas
distribution,  conducted by our two  regulated  gas  subsidiaries,  The Brooklyn
Union Gas Company  d/b/a KeySpan  Energy  Delivery New York and KeySpan Gas East
Corporation d/b/a KeySpan Energy Delivery Long Island. Together, they distribute
gas to approximately 1.6 million customers.

      We are also a major,  and growing,  generator of  electricity.  We own and
operate five large  generating  plants and 42 smaller  facilities  in Nassau and
Suffolk Counties on Long Island and lease and operate a major facility in Queens
County in New York City.  Under  contractual  arrangements,  we  provide  power,
electric  transmission-and-  distribution  services,  billing and other customer
services for  approximately  one million  electric  customers of the Long Island
Power Authority.  Our other subsidiaries are involved in oil and gas exploration
and production;  gas storage;  wholesale and retail gas and electric  marketing;
appliance service;  heating,  ventilation and air conditioning  installation and
services;   large   energy-system   ownership,   installation   and  management;
telecommunications;  energy-related internet activities; and fuel cells. We also
invest  in,  and  participate  in  the  development  of,   pipelines  and  other
energy-related projects, domestically and internationally.

      In November 1999, KeySpan and Eastern Enterprises  announced that they had
signed a  definitive  merger  agreement  under which we will  acquire all of the
common stock of Eastern for $64.00 per share in cash, subject to adjustment. The
transaction  has a total value of  approximately  $2.5 billion  ($1.7 billion in
equity and $0.8 billion in assumed debt and preferred  stock).  The  transaction
will be accounted for as a purchase.

      Eastern owns and operates Boston Gas Company,  Colonial Gas Company, Essex
Gas Company,  Midland Enterprises Inc.,  Transgas Inc. and ServicEdge  Partners,
Inc. In July 1999, Eastern announced it had entered into an agreement to acquire
EnergyNorth,  Inc. owner of New  Hampshire's  largest  natural gas  distributor,
EnergyNorth  Natural Gas, Inc.  EnergyNorth is located across the  Massachusetts
border from,  but  contiguous  to, areas  served by Eastern's  gas  distribution
subsidiaries. In connection with our acquisition of Eastern, Eastern has amended
its  agreement  with  EnergyNorth  to  provide  for an all cash  acquisition  of
EnergyNorth  shares at a price per share of $61.13,  subject to adjustment.  The
restructured EnergyNorth acquisition is expected to close contemporaneously with
the KeySpan/Eastern transaction.

      The increased  size and scope of our combined  organization  should enable
KeySpan,  Eastern and EnergyNorth to provide enhanced,  cost-effective  customer
service and to capitalize on the above-average  growth opportunities for natural
gas in  the  Northeast  and  provide  additional  resources  to our  unregulated
businesses.  The  combined  company  will serve  approximately  2.4  million gas
customers.

      The  transactions  among  KeySpan,  Eastern and  EnergyNorth  have already
received all required shareholder approvals,  as well as the approval of the New
Hampshire  Public  Utility  Commission.  However,  it is  conditioned  upon  the
approval of the SEC,  which is  currently  reviewing  applications  filed by us,
Eastern  and  EnergyNorth  under the Public  Utility  Holding  Company  Act.  We
anticipate that the transactions can be completed before the end of 2000, but we
are unable to determine when or if the required SEC approvals will be obtained.

      We are a  holding  company  with no  independent  operations  or source of
income of our own. We conduct  substantially  all of our operations  through our
subsidiaries and, as a result, we depend on the earnings and cash



                                        3

<PAGE>



flow of, and dividends or  distributions  from, our  subsidiaries to provide the
funds necessary to meet our debt and  contractual  obligations.  Furthermore,  a
substantial  portion  of our  consolidated  assets,  earnings  and cash  flow is
derived from the operations of our regulated utility  subsidiaries,  whose legal
authority  to pay  dividends  or make  other  distributions  to us is subject to
regulation by the New York Public Service Commission.


                                 USE OF PROCEEDS

      We are issuing the debt  securities in order to finance our acquisition of
Eastern and EnergyNorth, by either using the proceeds to finance the acquisition
of Eastern's  and  EnergyNorth's  common  stock or for any other proper  Company
purpose,  including to redeem or replace short term financing instruments,  such
as bank loans or commercial paper issued to finance those acquisitions.


                       RATIO OF EARNINGS TO FIXED CHARGES

      The  following  table  shows our  consolidated  ratio of earnings to fixed
charges for the periods indicated.
<TABLE>
<CAPTION>
<S>                      <C>                       <C>                 <C>                     <C>                   <C>
Twelve Months             Twelve Months             Twelve Months       Nine Months             Year                  Six Months
Ended                     Ended                     Ended               Ended                   Ended                 Ended
December 31,              March 31                  March 31            December 31             December 31           June 30,
1996 (a)                  1997 (a)                  1998(a)             1998                    1999                  2000
--------------------      ---------------------     ---------------     ---------------------   ------------------    -------------

2.15                      2.21                      2.44                (b)                     3.23                  4.14
</TABLE>

(a)  Represents  ratio of earnings to fixed  charges for our  predecessor,  Long
     Island Lighting Company.

(b)   For the nine months ended December 31, 1998, earnings were insufficient to
      cover  fixed  charges  by $365.0  million.  During the nine  months  ended
      December 31, 1998, we incurred the following  special charges (after tax):
      charges  associated  with  the  transaction  with the  Long  Island  Power
      Authority of $107.9  million;  charges  associated with the combination of
      Long Island Lighting  Company's gas and electric services  businesses with
      KeySpan  Corporation  of $83.5  million;  an  impairment  charge  of $54.1
      million to write-down  the value of proved gas  reserves;  and a charge of
      $13.0 million to establish a not-for-profit philanthropic foundation.




                                        4

<PAGE>



                           DESCRIPTION OF SECURITIES



        IN THIS  DESCRIPTION,  "WE," "US," "OUR," "OUR  COMPANY,"  AND "KEYSPAN"
MEAN KEYSPAN CORPORATION AND NOT ANY OF OUR SUBSIDIARIES. CAPITALIZED TERMS USED
BELOW ARE DEFINED UNDER "MATERIAL COVENANTS - DEFINED TERMS."

        The debt  securities  will be  issued  under an  indenture,  dated as of
November 1, 2000,  between us and The Chase  Manhattan  Bank,  as  trustee.  The
indenture  provides for the issuance from time to time of debt  securities in an
unlimited dollar amount and an unlimited number of series.

        The following description of the terms of the debt securities summarizes
the material terms that will apply to the debt  securities.  The  description is
not complete,  and we refer you to the indenture,  a copy of which is an exhibit
to the  registration  statement  of which this  prospectus  is a part.  For your
reference,  in several  cases below we have noted the  section in the  indenture
that the paragraph  summarizes.  Capitalized terms have the meanings assigned to
them  in the  indenture.  The  referenced  sections  of the  indenture  and  the
definitions of capitalized  terms are incorporated by reference in the following
summary.

        Prospective  purchasers of debt securities  should be aware that special
U.S. Federal income tax,  accounting and other  considerations may be applicable
to instruments  such as the debt securities.  The prospectus  supplement or term
sheet   relating  to  an  issue  of  debt   securities   will   describe   these
considerations, if they apply.

SPECIFIC TERMS OF EACH SERIES

      Each time that we issue a new series of debt  securities,  the  prospectus
supplement or term sheet relating to that new series will specify the particular
amount, price and other terms of those debt securities. These terms may include:

     -    the title of the debt securities;

     -    any limit on the total principal amount of the debt securities;

     -    the date or dates on which the principal of the debt  securities  will
          be payable or their manner of determination;

     -    the interest rate or rates of the debt  securities;  the date or dates
          from  which  interest  will  accrue  on the debt  securities;  and the
          interest  payment  dates  and the  regular  record  dates for the debt
          securities; or, in each case, their manner of determination;

     -    the place or places where the principal of and premium and interest on
          the debt securities will be paid;

     -    the period or periods  within which,  the price or prices at which and
          the  terms on which any of the debt  securities  may be  redeemed,  in
          whole or in part at our option, and any remarketing arrangements;

     -    the terms on which we would be required  to redeem,  repay or purchase
          debt securities required by any sinking fund,  mandatory redemption or
          similar  provision;  and the period or periods within which, the price
          or prices at which  and the  terms  and  conditions  on which the debt
          securities  will be so  redeemed,  repaid or  purchased in whole or in
          part;




                                        5

<PAGE>



     -    the denomination in which the debt securities will be issued, if other
          than denominations of $1,000 and any whole multiple thereof;

     -    the portion of the  principal  amount of the debt  securities  that is
          payable on the declaration of  acceleration of the maturity,  if other
          than their  principal  amount;  these debt  securities  could  include
          original  issue  discount,  or OID,  debt  securities  or indexed debt
          securities, which are each described below;

     -    whether and under what  circumstances  we will pay additional  amounts
          under any debt  securities  held by a person who is not a U.S.  person
          for tax  payments,  assessments  or  other  governmental  charges  and
          whether  we have the option to redeem  the debt  securities  which are
          affected by the  additional  amounts  instead of paying the additional
          amounts;

     -    the  form  in  which  we  will  issue  the  debt  securities,  whether
          registered,  bearer or both, and any  restrictions  on the exchange of
          one form of debt  securities  for another  and on the offer,  sale and
          delivery of the debt securities in either form;

     -    whether the debt securities will be issuable as global securities;

     -    whether the amounts of payments of principal of, premium,  if any, and
          interest,  if any, on the debt  securities  are to be determined  with
          reference to an index,  formula or other method, and if so, the manner
          in which such amounts will be determined;

     -    if the debt  securities  are  issuable  in  definitive  form  upon the
          satisfaction  of  certain  conditions,  the  form  and  terms  of such
          conditions;

     -    any trustees, paying agents, transfer agents, registrars, depositories
          or similar agents with respect to the debt securities;

     -    any  additions or deletions to the terms of the debt  securities  with
          respect  to the  events of default  or  covenants  governing  the debt
          securities;

     -    the foreign  currency or units of two or more  foreign  currencies  in
          which payment of the principal of and premium and interest on any debt
          securities will be made, if other than U.S. dollars,  and the holders'
          right,  if any,  to elect  payment  in a foreign  currency  or foreign
          currency  unit  other  than  that in  which  the debt  securities  are
          payable;

     -    whether  and to  what  extent  the  debt  securities  are  subject  to
          defeasance on terms different from those  described under  "Defeasance
          of indenture;" and

     -    any other terms of the debt securities that are not inconsistent  with
          the indenture.

(section 301)

        We may issue debt securities as OID debt securities. OID debt securities
bear no  interest  or bear  interest  at  below-market  rates  and are sold at a
discount below their stated principal  amount.  If we issue OID debt securities,
the prospectus  supplement or term sheet will contain the issue price,  the rate
at which  interest  will  accrete,  and the date from which such  interest  will
accrete on the OID debt securities.

        We may also issue indexed debt securities. Payments of principal of, and
premium and interest on, indexed debt  securities are determined  with reference
to the rate of exchange between the currency or currency unit in



                                        6

<PAGE>



which the debt security is  denominated  and any other currency or currency unit
specified by us, to the relationship  between two or more currencies or currency
units or by other  similar  methods  or  formulas  specified  in the  prospectus
supplement or term sheet.


RANKING

        The debt securities will be our unsecured and unsubordinated obligations
and will rank equally with all our other unsecured and unsubordinated debt.

FORM AND DENOMINATION

        The prospectus supplement or term sheet will describe the form which the
debt securities will have, including  insertions,  omissions,  substitutions and
other  variations  permitted by the  indenture  and any legends  required by any
laws, rules or regulations. (section 201)

        We will  issue  debt  securities  in  denominations  of $1,000 and whole
multiples  thereof,  unless  the  prospectus  supplement  or term  sheet  states
otherwise. (section 302)

PAYMENT

        We will pay principal of and premium and interest on its registered debt
securities at the place and time described in the debt  securities.  We will pay
installments  of interest on any registered debt security to the person in whose
name the registered  debt security is registered at the close of business on the
regular  record date for these  payments.  We will pay  principal and premium on
registered  debt  securities  only against  surrender of these debt  securities.
(section  1001) If we issue  debt  securities  in bearer  form,  the  prospectus
supplement or term sheet will describe where and how payment will be made.

MATERIAL COVENANTS

      The indenture includes the following material covenants:

      LIEN ON ASSETS

      If we or any of our Gas Utility Subsidiaries mortgage, pledge or otherwise
subject  to any lien the whole or any part of any  Property  which we now own or
acquire  in the  future,  then we will  secure the debt  securities  to the same
extent  and in the  same  proportion  as the debt or  other  obligation  that is
secured by each of those mortgages,  pledges or other liens. The debt securities
will remain secured for the same period as the other debt remains secured.  This
restriction does not apply, however, to any of the following:

     -    purchase-money mortgages or liens;

     -    liens  on any  property  or asset  that  existed  at the time  when we
          acquired that property or asset;

     -    any deposit or pledge to secure  public or  statutory  obligations  or
          contractual obligations to Long Island Power Authority;

     -    any deposit or pledge with any  governmental  agency required in order
          to qualify us to conduct our business, or any part of our business, or
          to entitle us to maintain  self-insurance or to obtain the benefits of
          any law relating to workmen's  compensation,  unemployment  insurance,
          old age pensions or other social security;



                                        7

<PAGE>



     -    any  deposit  or  pledge  with  any  court,   board,   commission   or
          governmental  agency as security  related to the proper conduct of any
          proceeding before it;

     -    any  mortgage,  pledge or lien on any  property or asset of any of our
          affiliates other than Gas Utility Subsidiaries,  even if the affiliate
          may have  acquired  that  property  or asset from us or a Gas  Utility
          Subsidiary;

     -    any lien  granted over  receivables  or other  monetary or  regulatory
          assets granted in connection  with a  securitization  arrangement  for
          those  assets to secure  our or one of our Gas  Utility  Subsidiaries'
          monetary  or  regulatory  obligations  incurred  in  relation  to such
          securitization arrangements,  so long as the principal amount of those
          obligations  does  not  exceed  the  aggregate  face  amount  of  such
          receivables or monetary assets;

     -    liens for taxes, assessments or governmental charges or levies not yet
          delinquent  or being  contested  in good  faith by us, if we have made
          appropriate reserves;

     -    liens of landlords and liens of mechanics and materialmen  incurred in
          the  ordinary  course  of  business  for  sums  not yet  due or  being
          contested in good faith by us, if we have made appropriate reserves;

     -    leases or  subleases  which we have  granted to others in the ordinary
          course of business;

     -    easements, rights-of-way,  restrictions and other similar encumbrances
          which we have incurred in the ordinary course of business and which do
          not interfere with the ordinary conduct of our business;

     -    liens  incurred  in  connection  with  the  issuance  by a state  or a
          political  subdivision  of a state of any  securities  the interest on
          which is exempt from  federal  income  taxes under  Section 103 of the
          Internal  Revenue Code or any other laws or  regulations  in effect at
          the time of the issuance; or

     -    liens for the sole purpose of extending,  renewing or replacing all or
          a part of the  indebtedness  secured  by any lien  referred  to in the
          foregoing clauses or in this clause.

      Notwithstanding  the foregoing,  we and our Gas Utility  Subsidiaries  may
create,  incur or permit to exist any lien to secure Indebtedness in addition to
those  permitted by the preceding  sentence,  and renew,  extend or replace such
liens,  PROVIDED  that  at the  time  of  such  creation,  incurrence,  renewal,
extension or replacement,  after giving effect thereto,  the aggregate amount of
all such  Indebtedness of our company and our Gas Utility  Subsidiaries  and the
aggregate  Attributable  Value of all Sales and  Leaseback  Transactions  of our
company and our Gas Utility  Subsidiaries at any one time  outstanding  together
shall not exceed  10% of  Consolidated  Tangible  Assets.  As of June 30,  2000,
Consolidated Tangible Assets were $7.1 billion. (section 1007).

      SALE AND LEASEBACK TRANSACTIONS

      Neither we nor any of our Gas Utility Subsidiaries may enter into any Sale
and Leaseback unless either:

      (1)         we and our Gas Utility Subsidiaries would be entitled pursuant
                  to the  "--Liens on assets"  covenant  to create  Indebtedness
                  secured by a lien on the Principal  Property to be leased back
                  in an amount equal to the Attributable  Value of such Sale and
                  Leaseback   Transaction  without  the  debt  securities  being
                  equally and ratably secured with (or, at our option, prior to)
                  that Indebtedness; or

      (2)         we or the relevant subsidiary,  within 270 days after the sale
                  or  transfer  of the  relevant  assets  shall  have been made,
                  applies, in the case of a sale or transfer for cash, an amount
                  equal to the net



                                        8

<PAGE>



                  proceeds  from the sale or, in the case of a sale or  transfer
                  otherwise  than for cash,  an amount  equal to the fair market
                  value of the  Principal  Property so leased (as  determined by
                  any two  directors  of our company or the relevant Gas Utility
                  Subsidiary) to:

                  -           the  retirement  of  Indebtedness  of our  company
                              ranking  prior  to or on a  parity  with  the debt
                              securities,  incurred or assumed by us or that Gas
                              Utility  Subsidiary which by its terms matures at,
                              or is extendible or renewable at the option of the
                              obligor to, a date more than twelve  months  after
                              the date of  incurring,  assuming or  guaranteeing
                              such Indebtedness or

                    -         the  investment in any  Principal Property used in
                              the ordinary course of business.

                  (section 1008)

      LIMITATION ON MERGER, CONSOLIDATION AND SALES OF ASSETS

      We may not consolidate  with or merge into any other entity or transfer or
lease substantially all of our properties and assets to any person unless:

     - the successor is organized under the laws of the United States or a state
thereof;

     - the successor  assumes by  supplemental  indenture the obligations of its
predecessor  (that is, all our  obligations  under the debt  securities  and the
indenture); and

     - after giving  effect to the  transaction,  there is no default  under the
indenture.

     The surviving  transferee or lessee corporation will be our successor,  and
we will be  relieved  of all  obligations  under  the  debt  securities  and the
indenture. (sections 801 and 802)

      DEFINED TERMS

      "Attributable  Value" means, as to any particular  lease under which we or
any of our Gas Utility  Subsidiaries  is at any time liable as lessee and at any
date  as of  which  the  amount  thereof  is to be  determined,  the  total  net
obligations of the lessee for rental  payments  during the remaining term of the
lease  (including  any period for which such lease has been  extended or may, at
the option of the lessor, be extended)  discounted from the respective due dates
thereof  to such  date at a rate  per  annum  equivalent  to the  interest  rate
inherent in such lease (as  determined  in good faith by us in  accordance  with
generally accepted financial practice) compounded semi- annually.

      "Capital Stock" of any Person means shares, interests, rights to purchase,
warrants,  options,  participation  or  other  equivalents  of or  interests  in
(however  designed)  equity of such Person,  including any preferred  stock, but
excluding any debt securities convertible into such equity.

      "Consolidated  Tangible Assets" means, as of the date of any determination
thererof,  the total of all assets which would appear on a consolidated  balance
sheet of our company and our  subsidiaries,  prepared  in  accordance  with U.S.
generally accepted accounting  principles or U.S. GAAP, at their net book values
(after deducting  related  depreciation,  depletion and  amortization  which, in
accordance  with U.S. GAAP,  should be set aside in connection with the business
conducted),   but  excluding  goodwill,   trade  names,   trademarks,   patents,
unamortized debt discount and all other  intangible  assets all as determined in
accordance with U.S. GAAP.




                                        9

<PAGE>



      "Gas Utility Subsidiaries" means the following subsidiaries of our Company
engaged in the  distribution  and sale at retail of natural  gas:  The  Brooklyn
Union Gas Company  d/b/a  KeySpan  Energy  Delivery  New York,  KeySpan Gas East
Corporation  d/b/a  KeySpan  Energy  Delivery  Long Island,  Boston Gas Company,
Colonial Gas Company,  Essex Gas Company, and EnergyNorth Natural Gas, Inc.; and
any other  subsidiary  of our Company  engaged in such  activity,  provided such
subsidiary would be, at any particular  time, a "significant  subsidiary" of the
Company  within the meaning of Rule 1-02 of Regulation  S-X  promulgated  by the
Commission.

      "Indebtedness" means, with respect to any Person (without duplication):

                  (1)         any liability of that Person:

                    -    for   borrowed   money  or  under   any   reimbursement
                         obligation  relating  to a letter of credit or  similar
                         instrument;

                    -    evidenced  by  a  bond,  note,   debenture  or  similar
                         instrument;

                    -    to pay the  deferred  purchase  price  of  property  or
                         services,  except trade accounts payable arising in the
                         ordinary course of business; or

                    -    for the payment of money  relating  to any  obligations
                         under any capital  lease of real or  personal  property
                         which  has  been  recorded  as  a   capitalized   lease
                         obligation.

                  (2) any liability of others  described in the preceding clause
      (1)  that  the  Person  has  guaranteed  or that is  otherwise  its  legal
      liability or which is secured by a lien on that Person's Property;

                  (3)  any  amendment,  supplement,   modification,  deferral,
      renewal,  extension or  refunding  of any  liability of the types referred
      to in clauses (1) or (2) above; and

                  (4) in the  case  of any of our  subsidiaries,  the  aggregate
      preference  in respect of  amounts  payable on the issued and  outstanding
      shares  of  preferred  stock of any such  subsidiary  in the  event of any
      voluntary or involuntary liquidation, dissolution or winding up (excluding
      any such  preference  attributable  to such shares of preferred stock that
      are owned by such Person or any of its subsidiaries).

      "Person"   means   any   individual,   firm,   corporation,   partnership,
association,   joint  venture,   tribunal,  limited  liability  company,  trust,
government or political subdivision or agency or instrumentality thereof, or any
other entity or organization.

      "Principal Property" means the real estate,  fixtures,  pipelines,  mains,
meters, pipes, valves, compressors and other related personal property primarily
used in connection with the  transportation,  distribution or retail sale of gas
by the Gas Utility Subsidiaries.

      "Property"  means any  asset,  revenue  or any other  property,  including
capital  stock,  whether  tangible or intangible,  real or personal,  including,
without limitation, any right to receive income.

      "Sale  and  Leaseback  Transaction"  means  any  transaction  or series of
related  transactions  relating to  Principal  Property  now owned or  hereafter
acquired  whereby  we or one of  our  Gas  Utility  Subsidiaries  transfers  the
Principal  Property  to a Person and we or one of our Gas  Utility  Subsidiaries
leases it from that Person for a period,  including renewals, in excess of three
years.




                                       10

<PAGE>



      "Significant Subsidiary" has the meaning specified , as of the date of the
indenture, in Rule 1-02 of Regulation S-X promulgated under the Securities Act.

REGISTRATION OF TRANSFER AND EXCHANGE

      All debt securities  issued upon any  registration of transfer or exchange
of debt securities will be valid  obligations of ours,  evidencing the same debt
and  entitled  to the same rights  under the  indenture  as the debt  securities
surrendered in the registration of transfer or exchange.

REGISTRATION OF TRANSFER

     Holders of registered  debt  securities  may present their  securities  for
registration  of  transfer  at the  office  of one or more  security  registrars
designated and maintained by us. (section 305)

     We will not be  required  to register  the  transfer  of or  exchange  debt
securities under the following conditions:

-    We will not be required to register  the  transfer of or exchange  any debt
     securities  during a period of 15 days before any  selection  of those debt
     securities to be redeemed.

-     We will not be required to register  the  transfer of or exchange any debt
      securities  selected  for  redemption,  in whole or in  part,  except  the
      unredeemed portion of any debt securities being redeemed in part.

-     We will not be  required  to register  the  transfer  of or exchange  debt
      securities  of any  holder  who has  exercised  an option to  require  the
      repurchase of those debt  securities  prior to their stated maturity date,
      except the portion not being repurchased.

(section 305)

EXCHANGE

      At your option,  you may exchange your  registered  debt securities of any
series  (except a global  security,  as set forth below) for an equal  principal
amount of other registered debt securities of the same series having  authorized
denominations upon surrender to our designated agent.

      We may at any time exchange debt  securities  issued as one or more global
securities for an equal  principal  amount of debt securities of the same series
in definitive  registered  form. In this case we will deliver to the holders new
debt securities in definitive  registered  form in the same aggregate  principal
amount as the global securities being exchanged.

      The  depositary  of the global  securities  may also decide at any time to
surrender one or more global  securities in exchange for debt  securities of the
same series in definitive registered form, in which case we will deliver the new
debt securities in definitive  form to the persons  specified by the depositary,
in an aggregate  principal  amount equal to, and in exchange  for, each person's
beneficial interest in the global securities. (section 305)

      Notwithstanding  the above,  we will not be required to exchange  any debt
securities if, as a result of the exchange, we would suffer adverse consequences
under any United States law or regulation. (section 305)




                                       11

<PAGE>



GLOBAL SECURITIES

      If we decide to issue debt  securities  in the form of one or more  global
securities,  then we will  register  the  global  securities  in the name of the
depositary  for the global  securities or the nominee of the  depositary and the
global  securities will be delivered by the trustee to the depositary for credit
to the accounts of the holders of beneficial interests in the debt securities.

      The  prospectus  supplement or term sheet will describe the specific terms
of the depositary arrangement for debt securities of a series that are issued in
global form. None of our company,  the trustee, any paying agent or the security
registrar  will  have any  responsibility  or  liability  for any  aspect of the
records  relating  to or  payments  made  on  account  of  beneficial  ownership
interests in a global debt security or for maintaining, supervising or reviewing
any records relating to these beneficial ownership interests.

DEFEASANCE OF INDENTURE

      We can terminate all of our  obligations  under the indenture with respect
to the debt  securities,  other than the  obligation  to pay interest on and the
principal of the debt securities and certain other obligations, at any time by:

-    depositing  money or U.S.  government  obligations  with the  trustee in an
     amount  sufficient  to pay  the  principal  of  and  interest  on the  debt
     securities to their maturity; and

-     complying with certain other conditions, including delivery to the trustee
      of an opinion of counsel  to the effect  that  holders of debt  securities
      will not recognize income, gain or loss for federal income tax purposes as
      a result of our defeasance.

      In addition,  we can terminate all of our obligations  under the indenture
with respect to the debt securities, including the obligation to pay interest on
and the principal of the debt securities, at any time by:

-    depositing  money or U.S.  government  obligations  with the  trustee in an
     amount  sufficient  to pay  the  principal  of  and  interest  on the  debt
     securities to their maturity, and

-     complying with certain other conditions, including delivery to the trustee
      of an  opinion  of  counsel  stating  that  there has been a ruling by the
      Internal  Revenue  Service,  or a change in the  federal tax law since the
      date of the indenture,  to the effect that holders of debt securities will
      not recognize  income,  gain or loss for federal  income tax purposes as a
      result of our defeasance.

(sections 402-404)

PAYMENTS OF UNCLAIMED MONEYS

      Moneys  deposited  with the trustee or any paying agent for the payment of
principal of or premium and interest on any debenture that remains unclaimed for
two  years  will  be  repaid  to us at our  request,  unless  the  law  requires
otherwise.  If this happens and you want to claim these moneys, you must look to
us and not to the trustee or paying agent. (section 409)

EVENTS OF DEFAULT, NOTICES, AND WAIVER

      EVENTS OF DEFAULT

      An "event of default"  regarding any series of debt  securities is any one
of the following events:



                                       12

<PAGE>



-    default for 30 days in the payment of any interest installment when due and
     payable;

-    default in the  payment  of  principal  or  premium  when due at its stated
     maturity, by declaration, when called for redemption or otherwise;

-     default in the  performance  of any covenant in the debt  securities or in
      the  indenture  by us for 60 days after  notice to us by the trustee or by
      holders of 25% in principal  amount of the outstanding  debt securities of
      that series;

-     acceleration   of  debt   securities  of  another   series  or  any  other
      indebtedness of ours or one of our Significant  Subsidiaries  for borrowed
      money, in an aggregate  principal  amount  exceeding $25 million under the
      terms of the instrument or  instruments  under which the  indebtedness  is
      issued or secured,  if the  acceleration  is not  annulled  within 30 days
      after written notice as provided in the indenture;

-     a final,  non-appealable  judgment  or order for the  payment  of money in
      excess  of $25  million  rendered  against  us or  one of our  Significant
      Subsidiaries that is not paid or discharged within 60 days following entry
      of such judgment or order;

-    certain events of bankruptcy,  insolvency and reorganization  involving us;
     and

-    any  other  event  of  default  of that  series  that is  specified  in the
     prospectus supplement or term sheet.

(section 501)

      A  default   regarding  a  single  series  of  debt  securities  will  not
necessarily constitute a default regarding any other series.

      If an event of  default  for any series of debt  securities  occurs and is
continuing (other than an event of default involving the bankruptcy,  insolvency
or reorganization  of our company),  either the trustee or the holders of 25% in
principal  amount of the outstanding  debt securities of that series may declare
the principal  (or, in the case of (a) OID debt  securities,  a lesser amount as
provided in those OID debt securities or (b) indexed debt securities,  an amount
determined  by the  terms of those  indexed  debt  securities),  of all the debt
securities  of that  series,  together  with any  accrued  interest  on the debt
securities,  to be immediately due and payable by notice in writing to us. If it
is the  holders  of debt  securities  who give  notice  of that  declaration  of
acceleration  to us,  then they must also give notice to the  trustee.  (section
502)

      If an event of default occurs which involves the bankruptcy, insolvency or
reorganization  of our company,  as set forth above,  then all unpaid  principal
amounts  (or,  if the  debt  securities  are (a) OID debt  securities,  then the
portion of the principal  amount that is specified in those OID debt  securities
or (b)  indexed  debt  securities,  an amount  determined  by the terms of those
indexed debt  securities)  and accrued  interest on all debt  securities of each
series  will  immediately  become  due and  payable,  without  any action by the
trustee or any holder of debt securities. (section 502)

      In order for  holders of debt  securities  to initiate  proceedings  for a
remedy under the indenture, 25% in principal amount must first give notice to us
as provided  above,  must request that the trustee  initiate a proceeding in its
own name and must offer the trustee a  reasonable  indemnity  against  costs and
liabilities.  If  the  trustee  still  refuses  for  60  days  to  initiate  the
proceeding,  and no  inconsistent  direction  has been  given to the  trustee by
holders of a majority of the debt securities of the same series, the holders may
initiate a proceeding as long as they do not adversely  affect the rights of any
other holders of that series. (section 507)




                                       13

<PAGE>



      The  holders of a majority in  principal  amount of the  outstanding  debt
securities of a series may rescind a declaration of  acceleration  if all events
of default,  besides the failure to pay principal or interest due solely because
of the declaration of acceleration, have been cured or waived. (section 502)

      If we default on the payment of any  installment  of interest  and fail to
cure the default  within 30 days,  or if we default on the payment of  principal
when it becomes  due,  then the trustee may require us to pay all amounts due to
the trustee,  with interest on the overdue  principal or interest  payments,  in
addition to the expenses of collection. (section 503)

      A judgment for money damages by courts in the United  States,  including a
money  judgment  based on an obligation  expressed in a foreign  currency,  will
ordinarily be rendered  only in U.S.  dollars.  New York  statutory law provides
that a court shall  render a judgment  or decree in the foreign  currency of the
underlying  obligation  and that the judgment or decree shall be converted  into
U.S.  dollars  at the  exchange  rate  prevailing  on the  date of  entry of the
judgment  or  decree.  The  indenture  requires  us to  pay  additional  amounts
necessary to protect  holders if a court  requires a conversion  to be made on a
date other than a judgment date.

      NOTICES

      The  trustee  is  required  to give  notice to holders of a series of debt
securities of a default,  which remains uncured or has not been waived,  that is
known to the trustee within 90 days after the default has occurred. In the event
of a default in the  performance  of any covenant in the debt  securities or the
indenture which results under the indenture in notice to us by the trustee after
90 days,  the trustee  shall not give  notice to the holders of debt  securities
until 60 days after the giving of notice to us. The trustee may not withhold the
notice in the case of a default in the  payment of  principal  of and premium or
interest on any of the debt securities. (section 602)

      WAIVER

      The  holders of a majority in  principal  amount of the  outstanding  debt
securities  of a series may waive any past default or event of default  except a
default in the  payment of  principal  of or  premium  or  interest  on the debt
securities  of that series or a default  relating to a provision  that cannot be
amended without the consent of each affected holder. (section 513)

REPORTS

      We are required to file an officer's  certificate  with the trustee  every
year  confirming  that we are complying with all conditions and covenants in the
indenture. (section 1005)

      We must also file with the  trustee  copies of our annual  reports and the
information  and other  documents  which we may be required to file with the SEC
under  Section 13 or Section  15(d) of the  Securities  Exchange Act of 1934, as
amended.  These  documents  must be filed with the trustee  within 15 days after
they are  required to be filed with the SEC. If we are not  required to file the
information,  documents or reports under either of these Sections,  then we must
file with the trustee and the SEC, in accordance  with the rules and regulations
of the SEC, the  supplementary and periodic  information,  documents and reports
which may be  required by Section 13 of the  Exchange  Act, in respect of a debt
security  listed and  registered on a national  securities  exchange,  as may be
required by the rules and regulations of the SEC.

      Within 30 days of filing the information, documents or reports referred to
above with the trustee,  we must mail to the holders of the debt  securities any
summaries of the information, documents or reports which are required to be sent
to the holders by the rules and regulations of the SEC. (section 704)




                                       14

<PAGE>



RIGHTS AND DUTIES OF THE TRUSTEE

      The  holders  of a  majority  in  principal  amount  of  outstanding  debt
securities of any series may direct the time, method and place of conducting any
proceeding  for any remedy  available to the trustee or exercising  any trust or
other power  conferred  on the  trustee.  The trustee may decline to follow that
direction  if it would  involve the trustee in  personal  liability  or would be
illegal. (section 512) During a default, the trustee is required to exercise the
standard  of care  and  skill  that a  prudent  man  would  exercise  under  the
circumstances  in the conduct of his own affairs.  (section  601) The trustee is
not obligated to exercise any of its rights or powers under the indenture at the
request or  direction  of any of the  holders of debt  securities  unless  those
holders have offered to the trustee reasonable  security or indemnity.  (section
603)

     The trustee is entitled,  in the absence of bad faith on its part,  to rely
on an officer's  certificate before taking action under the indenture.  (section
603)

SUPPLEMENTAL INDENTURES

      SUPPLEMENTAL INDENTURES NOT REQUIRING CONSENT OF HOLDERS

      Without the consent of any holders of debt securities,  we and the trustee
may supplement the indenture, among other things, to:

-     pledge property to the trustee as security for the debt securities;

-    reflect that another  entity has succeeded us and assumed the covenants and
     obligations of us under the debt securities and the indenture;

-     cure  any  ambiguity  or  inconsistency  in the  indenture  or in the debt
      securities or make any other provisions necessary or desirable, as long as
      the  interests  of the holders of the debt  securities  are not  adversely
      affected in any material respect;

-    issue and establish the form and terms of any series of debt  securities as
     provided in the indenture;

-     add to our covenants  further  covenants for the benefit of the holders of
      debt securities (and if the covenants are for the benefit of less than all
      series of debt securities, stating which series are entitled to benefit);

-     add any  additional  event of  default  (and if the new  event of  default
      applies  to fewer  than all  series of debt  securities,  stating to which
      series it applies);

-     change the trustee or provide for an additional trustee;

-     provide  additional  provisions for bearer debt  securities so long as the
      action  does not  adversely  affect the  interests  of holders of any debt
      securities in any material respect; or

-    modify the indenture in order to continue its qualification under the Trust
     Indenture  Act of 1939 or as may be necessary  or  desirable in  accordance
     with amendments to that Act.

(section 901)




                                       15

<PAGE>



      SUPPLEMENTAL INDENTURES REQUIRING CONSENT OF HOLDERS

      With the consent of the holders of at least a majority in principal amount
of the series of the debt securities that would be affected by a modification of
the  indenture,  the  indenture  permits us and the  trustee to  supplement  the
indenture  or modify in any way the terms of the  indenture or the rights of the
holders of the debt securities.  However,  without the consent of each holder of
all of the debt securities affected by that modification, we and the trustee may
not:

-    reduce the  principal of or premium on or change the stated final  maturity
     of any debt security;

-    reduce the rate of or change the time for  payment of  interest on any debt
     security  (or,  in the  case of OID  debt  securities,  reduce  the rate of
     accretion of the OID);

-    change  any  of  our  obligations  to  pay  additional  amounts  under  the
     indenture;

-    reduce or alter the  method  of  computation  of any  amount  payable  upon
     redemption,  repayment or purchase of any debt  security by us (or the time
     when the redemption, repayment or purchase may be made);

-    make the principal or interest on any debt  security  payable in a currency
     other than that stated in the debt security or change the place of payment;

-    reduce  the  amount  of  principal   due  on  an  OID  debt  security  upon
     acceleration  of maturity or  provable in  bankruptcy  or reduce the amount
     payable under the terms of an indexed debt security  upon  acceleration  of
     maturity or provable in bankruptcy;

-    impair any right of  repayment  or  purchase at the option of any holder of
     debt securities;

-    modify  the right of any  holder of debt  securities  to receive or sue for
     payment of the  principal or interest on a debt  security that would be due
     and payable at the maturity thereof or upon redemption; or

-    reduce the  principal  amount of the  outstanding  debt  securities  of any
     series  required  to  supplement  the  indenture  or to  waive  any  of its
     provisions.

(section 902)

      A supplemental indenture which modifies or eliminates a provision intended
to benefit  the  holders of one  series of debt  securities  will not affect the
rights under the indenture of holders of other series of debt securities.

REDEMPTION

      The specific terms of any redemption of a series of debt  securities  will
be  contained  in the  prospectus  supplement  or term  sheet  for that  series.
Generally, we must send notice of redemption to the holders at least 30 days but
not more than 60 days prior to the redemption date. The notice will specify:

-     the principal amount being redeemed;

-     the redemption date;

-     the redemption price;




                                       16

<PAGE>



-     the place or places of payment;

-     the CUSIP number of the debt securities being redeemed;

-     whether the redemption is pursuant to a sinking fund;

-    that  on the  redemption  date,  interest  (or,  in the  case  of OID  debt
     securities, original issue discount) will cease to accrue; and

-     if bearer  debt  securities  are being  redeemed,  that those  bearer debt
      securities  must  be  accompanied  by  all  coupons   maturing  after  the
      redemption date or the amount of the missing coupons will be deducted from
      the redemption  price,  or indemnity must be furnished,  and whether those
      bearer debt securities may be exchanged for registered debt securities not
      being redeemed.

(section 1104)

      On or before any redemption  date, we will deposit an amount of money with
the  trustee or with a paying  agent  sufficient  to pay the  redemption  price.
(section 1103)

      If less than all the debt securities are being redeemed, the trustee shall
select the debt  securities  to be redeemed  using a method it  considers  fair.
(section 1103) After the redemption date,  holders of debt securities which were
redeemed  will have no rights  with  respect to the debt  securities  except the
right to receive the redemption  price and any unpaid interest to the redemption
date. (section 1106)


CONCERNING THE TRUSTEE

      We have  customary  banking  relationships  with the  trustee,  The  Chase
Manhattan Bank. Among other services,  The Chase Manhattan Bank provides us with
cash management and credit services, including payroll account, lockbox, foreign
exchange and investment custody account services.  The Chase Manhattan Bank also
serves or has served as  administrative  agent and trustee with respect to other
issuances of debt by us and our  subsidiaries  and is a member of a syndicate of
banks which is party to several credit  facilities  with us in a total amount of
$2 billion.  In  addition,  Chase  Securities  Inc.,  an  affiliate of The Chase
Manhattan Bank, acts as a placement agent for our commercial paper program.


GOVERNING LAW

     The laws of the State of New York govern the  indenture and will govern the
debt securities. (section 112)


        CERTAIN U.S. FEDERAL INCOME TAX CONSEQUENCES TO NON-U.S. PERSONS

     The   following   is  a  summary  of  certain  U.S.   federal   income  tax
considerations  for beneficial  owners of the debt securities that are "non-U.S.
persons" under the Internal Revenue Code of 1986, as amended. Under the Internal
Revenue  Code,  a  "non-U.S.  person"  means  a  person  that  is not any of the
following:

      -           a citizen or resident of the United States;




                                       17

<PAGE>



-    a corporation or  partnership  created or organized in or under the laws of
     the United States or any political subdivision thereof;

-    an estate the income of which is subject to U.S.  federal  income  taxation
     regardless of its source; or

-    a trust which is either  subject to the  supervision  of a court within the
     United  States and the  control of one or more U.S.  persons or has a valid
     election in effect under applicable U.S. Treasury regulations to be treated
     as a U.S. person.

      This  summary is based on current law which is subject to change  (perhaps
retroactively),  is for general  purposes only and should not be considered  tax
advice.  This summary does not represent a detailed  description  of the federal
income tax  consequences  to you in light of your particular  circumstances.  In
addition,  it does not  represent  a detailed  description  of the U.S.  federal
income  tax  consequences  applicable  to you  if you  are  subject  to  special
treatment  under  the  U.S.  federal  income  tax laws  (including  if you are a
"controlled  foreign  corporation,"  "passive  foreign  investment  company"  or
"foreign personal holding  company").  We cannot assure you that a change in law
will not alter  significantly  the tax  considerations  that we describe in this
summary.

      YOU SHOULD CONSULT YOUR OWN TAX ADVISOR  CONCERNING  THE  PARTICULAR  U.S.
FEDERAL INCOME TAX  CONSEQUENCES TO YOU OF THE OWNERSHIP OF THE DEBT SECURITIES,
AS WELL AS THE  CONSEQUENCES  TO YOU ARISING  UNDER THE LAWS OF ANY OTHER TAXING
JURISDICTION.


U.S. FEDERAL WITHHOLDING TAX

      The 30% U.S.  federal  withholding  tax will not apply to any  payment  of
principal or interest (including original issue discount) on a particular series
of debt securities provided that:

-    you do not  actually  (or  constructively)  own 10% or  more  of the  total
     combined voting power of all classes of our voting stock within the meaning
     of the Internal Revenue Code and the U.S. Treasury Regulations;

-    you are not a controlled foreign  corporation that is related to us through
     stock ownership;

-    you are not a bank whose  receipt of  interest  on the debt  securities  is
     described in the Internal Revenue Code; and

-    (a) you  provide  your name and  address on an IRS Form W-8,  and  certify,
     under penalty of perjury, that you are not a U.S. person or (b) a financial
     institution  holding the debt  securities on your behalf  certifies,  under
     penalty  of  perjury,  that  it has  received  an IRS  Form  W-8  from  the
     beneficial owner and provides us with a copy.

      If you cannot  satisfy  the  requirements  described  above,  payments  of
premium,  and interest  (including  original issue discount) made to you will be
subject to the 30% U.S.  federal  withholding  tax, unless you provide us with a
properly executed:

-    IRS Form 1001 or  successor  form  claiming an exemption  from  withholding
     under the benefit of a tax treaty or

-    IRS Form 4224 or  successor  form stating  that  interest  paid on the debt
     security  is not  subject to  withholding  tax  because  it is  effectively
     connected with your conduct of a trade or business in the United States.




                                       18

<PAGE>



      Under new Treasury  regulations  applicable to payment made after December
31, 2000,  revised Form W-8s will  generally  replace IRS Form 1001 and IRS Form
4224. The 30% U.S. federal  withholding tax will not apply to any gain or income
that you realize on the sale,  exchange,  retirement or other disposition of the
debt security.

U.S. FEDERAL ESTATE TAX

      Your  estate  will  not be  subject  to U.S.  federal  estate  tax on debt
securities  of a series  beneficially  owned  by you at the time of your  death,
provided that:

-    you do not own  10% or  more of the  total  combined  voting  power  of all
     classes of our voting  stock  (within the meaning of the  Internal  Revenue
     Code and the U.S. Treasury Regulations) and

-    interest on that debt security would not have been, if received at the time
     of your death,  effectively connected with the conduct by you of a trade or
     business in the United States.

U.S. FEDERAL INCOME TAX

      If you are  engaged  in a trade  or  business  in the  United  States  and
interest on the debt  securities is  effectively  connected  with the conduct of
that trade or business  (although exempt from the 30% withholding tax), you will
be subject to U.S.  federal income tax on that interest on a net income basis in
the same  manner as if you were a U.S.  person  as  defined  under the  Internal
Revenue Code. In addition, if you are a foreign corporation,  you may be subject
to a branch profits tax equal to 30% (or lower  applicable  treaty rate) of your
earnings  and profits  for the taxable  year,  subject to  adjustments  that are
effectively  connected  with the  conduct by you of a trade or  business  in the
United States. For this purpose, interest on debt securities will be included in
earnings and profits.

      Any  gain  or  income  realized  on the  disposition  of a  debt  security
generally will not be subject to U.S. federal income tax unless:

-    that gain or income is effectively connected with the conduct of a trade or
     business in the United States by you, or

-    you are an  individual  who is present in the United States for 183 days or
     more in the taxable year of that disposition,  and certain other conditions
     are met.

      INFORMATION REPORTING AND BACKUP WITHHOLDING

      In general, you will not be required to provide information  reporting and
backup  withholding  regarding  payments that we make to you provided that we do
not have actual  knowledge that you are a U.S.  person and we have received from
you the statement described above under "U.S. Federal Withholding Tax."

      In  addition,  you will not be  required  to pay  backup  withholding  and
provide  information  reporting  regarding  the  proceeds  of the sale of a debt
security  within the United  States or conducted  through  certain  U.S.-related
financial  intermediaries,  if the payor receives the statement  described above
and does not have actual knowledge that you are a U.S. person,  as defined under
the Internal Revenue Code, or you otherwise establish an exemption.

      U.S.  Treasury  Regulations were recently issued that generally modify the
information  reporting  and  backup  withholding  rules  applicable  to  certain
payments  made after  December  31,  2000.  In  general,  the new U.S.  Treasury
Regulations  would not  significantly  alter the present rules discussed  above,
except in certain special situations.




                                       19

<PAGE>



      Any amounts withheld under the backup withholding rules will be allowed as
a refund or a credit against your U.S. federal income tax liability provided the
required information is furnished to the IRS.


                              PLAN OF DISTRIBUTION

      We may sell the debt securities as follows:

-     through underwriters or dealers; or

-     through agents; or

-     directly to purchasers.

      The prospectus supplement or term sheet for each series of debt securities
will describe that offering, including:

-     the name or names of any underwriters, dealers or agents;

-     the purchase price and the proceeds to us from that sale;

-    any  underwriting  discounts  and other  items  constituting  underwriters'
     compensation;

-    any initial public offering price and any discounts or concessions  allowed
     or reallowed or paid to dealers; and

-    any securities exchanges on which the debt securities of that series may be
     listed.

UNDERWRITERS

      Unless otherwise set forth in the prospectus supplement or term sheet, the
obligations of the  underwriters  to purchase debt securities will be subject to
certain conditions.  The underwriters will be obligated to purchase all the debt
securities of a series if any are purchased.

      The debt  securities  will be acquired by the  underwriters  for their own
account and may be resold by them from time to time in one or more transactions,
including  negotiated  transactions,  at a fixed  public  offering  price  or at
varying  prices  determined at the time of sale.  Underwriters  may be deemed to
have  received  compensation  from us in the form of  underwriting  discounts or
commissions  and may  also  receive  commissions  from  the  purchasers  of debt
securities  for whom  they may act as  agent.  Underwriters  may also  sell debt
securities to or through dealers.  These dealers may receive compensation in the
form of discounts,  concessions  or  commissions  from the  underwriters  and/or
commissions  from the  purchasers  for whom they may act as agent.  Any  initial
public  offering price and any discounts or concessions  allowed or reallowed or
paid to dealers may be changed from time to time.

      We may  authorize  underwriters  to  solicit  offers by  certain  types of
institutions  to purchase debt  securities  from us at the public offering price
stated in the prospectus  supplement or term sheet required by delayed  delivery
contracts  providing for payment and delivery on a specified date in the future.
If  we  sell  debt  securities  under  these  delayed  delivery  contracts,  the
prospectus supplement or term sheet will state that as well as the conditions to
which these  delayed  delivery  contracts  will be subject  and the  commissions
payable for that solicitation.




                                       20

<PAGE>



AGENTS

      We may also sell debt securities through agents designated by us from time
to time.  We will  name any  agents  involved  in the  offer or sale of the debt
securities  and will  list  commissions  payable  by us to these  agents  in the
prospectus  supplement  or term  sheet.  These  agents  will be acting on a best
efforts basis to solicit purchases for the period of their  appointment,  unless
we state otherwise in the prospectus supplement or term sheet.

DIRECT SALES

      We may sell debt securities directly to purchasers.  In this case, we will
not engage underwriters or agents in the offer and sale of debt securities.

REMARKETING TRANSACTIONS

      We may also sell  debt  securities  that we have  purchased,  redeemed  or
repaid through one or more remarketing  firms acting as principals for their own
accounts or as our agents.  The applicable  prospectus  supplement or term sheet
will identify any remarketing firms and describe the terms of our agreement with
them and their compensation.  Remarketing firms may be deemed to be underwriters
of the debt securities under the Securities Act of 1933, as amended.

INDEMNIFICATION

      We may indemnify  underwriters,  dealers or agents who  participate in the
distribution  of  debt  securities   against  certain   liabilities,   including
liabilities  under the Securities Act, and agree to contribute to payments which
these underwriters, dealers or agents may be required to make.

NO ASSURANCE OF LIQUIDITY

      Each series of debt  securities  will be a new issue of securities with no
established  trading market. Any underwriters that purchase debt securities from
us may make a market in these  debt  securities.  The  underwriters  will not be
obligated,  however, to make a market in the debt securities and may discontinue
market-making  at any time  without  notice to  holders of debt  securities.  We
cannot  assure you that there will be  liquidity  in the trading  market for any
debt securities of any series.


                                 LEGAL OPINIONS

      The validity of the debt securities  offered by us in this prospectus will
be passed upon for us by Steven L. Zelkowitz,  Senior Vice President and General
Counsel of KeySpan.  Mr.  Zelkowitz is the beneficial owner of or has the option
to acquire  approximately  277,400  shares of our common  stock.  Certain  legal
matters will be passed upon for any agents or  underwriters by Simpson Thacher &
Bartlett,  New York,  New York,  or other counsel  identified in the  prospectus
supplement or term sheet. Simpson Thacher & Bartlett also acts as counsel for us
from time to time.


                                     EXPERTS

     Arthur  Andersen  LLP,  independent  accountants,   audited  the  financial
statements  for the nine months ended  December  31, 1998 and the twelve  months
ended December 31, 1999, and related schedules incorporated by reference in this
prospectus.  Arthur  Andersen  LLP, also audited the  financial  statements  for
Eastern  Enterprises  for the twelve months ended December 31, 1998 and December
31, 1999, and related schedules incorporated by reference in this



                                       21

<PAGE>



prospectus.  These  financial  statements  and  schedules  are  incorporated  by
reference  herein in reliance  upon the  authority  of Arthur  Andersen  LLP, as
experts in accounting and auditing in giving the reports.

      Ernst & Young LLP, independent auditors, have audited the income statement
and statement of cash flows,  and the related  financial  statement  schedule of
Long Island Lighting Company for the twelve months ended March 31, 1998 included
in our Annual  Report on Form 10-K,  as  amended,  for the twelve  months  ended
December 31, 1999, as set forth in their report, which is incorporated herein by
reference.  These financial  statements and schedule are incorporated  herein by
reference in reliance upon Ernst & Young LLP's report,  given on their authority
as experts in accounting and auditing.




                                       22

<PAGE>



                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

      The expenses in connection with the issuance and  distribution of the debt
securities  being  registered,   other  than  the  underwriting   discounts  and
commissions, are as follows:


Securities and Exchange Commission Registration Fee                     $435,600
Legal Fees and Expenses                                                 $100,000
Accountants Fees and Expenses                                            $50,000
Trustee Fees and Expenses                                                $15,000
Rating Agency Fees                                                      $250,000
Printing and Delivery Expenses                                           $75,000
Miscellaneous Expenses                                                    $5,000
                                                              ------------------
Total*                                                                  $930,600
                                                              ==================

--------------
* Estimated


ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS.

      The New York Business Corporation Law ("BCL"), Article 7, Sections 721-726
provide for the  indemnification  and  advancement  of expenses to officers  and
directors. Section 721 provides that indemnification and advancement pursuant to
the BCL are not  exclusive  of any other  rights an officer or  director  may be
entitled to, provided that no indemnification may be made to or on behalf of any
director  or officer if a judgment or other  final  adjudication  adverse to the
director or officer  establishes  that his acts were  committed  in bad faith or
were the result of active and  deliberate  dishonesty  and were  material to the
cause of  action  so  adjudicated,  or that  the  director  personally  gained a
financial profit or other advantage to which he or she was not legally entitled.

      Section  722 of the BCL  provides  that a  corporation  may  indemnify  an
officer or  director,  in the case of third party  actions,  against  judgments,
fines,  amounts paid in settlement and  reasonable  expenses and, in the case of
derivative actions,  against amounts paid in settlement and reasonable expenses,
provided that the director or officer  acted in good faith,  for a purpose which
he or she  reasonably  believed to be in the best  interests of the  corporation
and, in the case of criminal  actions,  had no  reasonable  cause to believe his
conduct was unlawful. In addition, statutory indemnification may not be provided
in derivative  actions (i) which are settled or otherwise disposed of or (ii) in
which the director or officer is adjudged liable to the corporation,  unless and
only to the extent a court  determines  that the person is fairly and reasonably
entitled to indemnity.

      Section  723  of  the  BCL  provides  that  statutory  indemnification  is
mandatory  where the director or officer has been  successful,  on the merits or
otherwise,  in the defense of a civil or criminal action or proceeding.  Section
723 also  provides  that  expenses of  defending  a civil or criminal  action or
proceeding may be advanced by the corporation  upon receipt of an undertaking to
repay them if and to the  extent the  recipient  is  ultimately  found not to be
entitled to indemnification. Section 725 provides for repayment of such expenses
when the  recipient is ultimately  found not to be entitled to  indemnification.
Section 726 provides that a  corporation  may obtain  indemnification  insurance
indemnifying itself and its directors and officers. The registrant has in effect
insurance  policies providing both directors and officers liability coverage and
corporate reimbursement coverage.

     Section  402(b) of the BCL provides that a  corporation  may include in its
certificate of incorporation a

                                      II-1


<PAGE>



provision  limiting  or  eliminating,  with  certain  exceptions,  the  personal
liability of directors to a corporation or its  shareholders for damages for any
breach  of  duty in such  capacity.  The  certificate  of  incorporation  of the
registrant contains  provisions  eliminating the personal liability of directors
to the extent permitted by New York law.

      The registrant's  certificate of incorporation  provides generally that it
shall,  except to the extent expressly  prohibited by the BCL, indemnify each of
its officers and directors  made or threatened to be made a party to any action,
suit or proceeding,  or appeal  thereof,  whether civil or criminal by reason of
the fact that such person is or was an officer or director  against all expense,
liability  and  loss  (including,  but  not  limited  to  all  attorneys'  fees,
judgments, fines, pension plan taxes or penalties and amounts paid or to be paid
in  settlement)  reasonably  incurred or  suffered by such person in  connection
therewith. The certificate of incorporation further provides for advancement and
reimbursement  of such expenses  incurred by an officer or director in defending
any  action or  proceeding  in  advance of the final  disposition  thereof  upon
receipt of an  undertaking  by such  person to repay such  amount if, and to the
extent  that,   such  person  is   ultimately   found  not  to  be  entitled  to
indemnification.

ITEM 16. LIST OF EXHIBITS.

      See Exhibit Index

ITEM 17. UNDERTAKINGS.

(a) The undersigned registrant hereby undertakes:

     (1)  To file,  during any period in which offers or sales are being made, a
          post-effective amendment to this registration statement:

     (i)  To  include  any  prospectus  required  by  Section  10(a)(3)  of  the
          Securities Act of 1933;

     (ii) To reflect in the  prospectus  any facts or events  arising  after the
          effective  date of the  registration  statement  (or the  most  recent
          post-effective  amendment  thereof)  which,  individually  or  in  the
          aggregate, represent a fundamental change in the information set forth
          in the  registration  statement.  Notwithstanding  the foregoing,  any
          increase  or decrease  in volume of  securities  offered (if the total
          dollar  value of  securities  offered  would not exceed that which was
          registered)  and  any  deviation  from  the  low  or  high  end of the
          estimated  maximum  offering  range  may be  reflected  in the form of
          prospectus  filed with the  Commission  pursuant to Rule 424(b) if, in
          the aggregate,  the changes in volume and price represent no more than
          a 20% change in the maximum aggregate  offering price set forth in the
          "Calculation of Registration Fee" table in the effective  registration
          statement;

     (iii)To  include  any  material  information  with  respect  to the plan of
          distribution not previously disclosed in the Registration Statement or
          any material change to such information in the Registration Statement;

provided,  however, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the
Registration Statement is on Form S-3, Form S-8, or Form F-3 and the information
required to be included in a  post-effective  amendment by those  paragraphs  is
contained in periodic  reports  filed with or furnished  to the  Securities  and
Exchange Commission by the Issuer pursuant to Section 13 or Section 15(d) of the
Securities  Exchange  Act of 1934  that are  incorporated  by  reference  in the
Registration Statement.

      (2)  That,  for  the  purpose  of  determining  any  liability  under  the
Securities Act of 1933, each such post-  effective  amendment shall be deemed to
be a new registration  statement relating to the securities offered therein, and
the offering of such  securities  at that time shall be deemed to be the initial
bona fide offering thereof.

                                      II-2


<PAGE>




      (3) To remove from registration by means of a post-effective amendment any
of the securities being registered which remain unsold at the termination of the
offering.

(b)  The  undersigned   registrant  hereby  undertakes  that,  for  purposes  of
determining  any liability  under the Securities Act of 1933, each filing of the
Issuer's  annual  report  pursuant  to  Section  13(a) or  Section  15(d) of the
Securities  Exchange  Act of 1934  (and,  where  applicable,  each  filing of an
employee  benefit  plan's  annual  report  pursuant  to  Section  15(d)  of  the
Securities  Exchange  Act of 1934)  that is  incorporated  by  reference  in the
registration  statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

(c) Insofar as indemnification  for liabilities arising under the Securities Act
of 1933 may be permitted to directors,  officers and controlling persons of such
registrant   pursuant  to  the  provisions  referred  to  in  Item  15  of  this
registration  statement,  or otherwise,  the registrant has been advised that in
the opinion of the Securities and Exchange  Commission such  indemnification  is
against public policy as expressed in such Act and is, therefore, unenforceable.
In the event that a claim for  indemnification  against such liabilities  (other
than the payment by such registrants of expenses incurred or paid by a director,
officer or controlling  person of such registrants in the successful  defense of
any  action,  suit or  proceeding)  is  asserted  by such  director,  officer or
controlling  person in connection  with the  securities  being  registered,  the
registrant  will,  unless in the  opinion  of its  counsel  the  matter has been
settled by controlling precedent,  submit to a court of appropriate jurisdiction
the question  whether such  indemnification  by it is against  public  policy as
expressed  in the  Securities  Act of 1933 and  will be  governed  by the  final
adjudication of such issue.



                                      II-3


<PAGE>



                                   SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, KeySpan  Corporation
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for  filing  on Form S-3 and has  duly  caused  this  registration
statement  amendment  to be signed on its behalf by the  undersigned,  thereunto
duly authorized,  in the City of Brooklyn, State of New York, on the 13th day of
October, 2000.

KEYSPAN CORPORATION
Issuer of Securities
(Registrant)

By: /s/ Gerald Luterman
    ---------------------------------------------
Gerald Luterman
Chief Financial Officer and Senior Vice-President
(Principal Financial Officer)

Pursuant to the  requirements of the Securities Act of 1933,  this  registration
statement has been signed below by the following  persons in the  capacities and
on the dates indicated.


Signatures and Titles:                                         Date:
                                     *                         October 13, 2000
-------------------------------------------------
Robert B. Catell
Chief Executive Officer and Director
(Principal Executive Officer)

/s/ Gerald Luterman                                            October 13, 2000
-------------------------------------------------
Gerald Luterman
Chief Financial Officer and Senior Vice-
President
(Principal Financial Officer)

/s/ Ronald Jendras                                             October 13, 2000
-------------------------------------------------
Ronald Jendras
Vice President, Controller and Chief
Accounting Officer
(Principal Accounting Officer)


                                     *                         October 13, 2000
-------------------------------------------------
Lilyan H. Affinito
Director


                                      II-4


<PAGE>





                                     *                        October 13, 2000
----------------------------------------------------------
George Bugliarello
Director

                                     *                        October 13, 2000
----------------------------------------------------------
Howard R. Curd
Director

                                     *                        October 13, 2000
----------------------------------------------------------
Richard N. Daniel
Director

                                     *                        October 13, 2000
----------------------------------------------------------
Donald H. Elliott
Director

                                     *                        October 13, 2000
----------------------------------------------------------
Alan H. Fishman
Director

                                     *                        October 13, 2000
----------------------------------------------------------
James R. Jones
Director

                                     *                        October 13, 2000
----------------------------------------------------------
Stephen W. McKessy
Director

                                     *                        October 13, 2000
----------------------------------------------------------
Edward D. Miller
Director



                                      II-5


<PAGE>




                                     *                          October 13, 2000
------------------------------------------------------------
Basil A. Paterson
Director

                                     *                          October 13, 2000
------------------------------------------------------------
James Q. Riordan
Director

                                     *                          October 13, 2000
------------------------------------------------------------
Vincent Tese
Director


/s/ Ronald Jendras                                              October 13, 2000
------------------------------------------------------------
Ronald Jendras, as Attorney-in-Fact
Vice President, Controller and Chief
Accounting Officer


---------------

* Such  signature has been affixed  pursuant to a power of attorney  filed as an
exhibit hereto.





                                      II-6


<PAGE>



                                  EXHIBIT INDEX



Exhibit
Number                    Description of Exhibits
--------                  -----------------------

1*                        Form of Underwriting Agreement

2**                      Agreement  and Plan of Merger,  dated as of November 4,
                         1999,  by  and  among  KeySpan   Corporation,   Eastern
                         Enterprises and ACJ Acquisition LLC

4-a*                      Form of  Indenture,  dated  as of  November  1,  2000,
                          between the Registrant and The Chase  Manhattan  Bank,
                          as trustee.  The form or forms of debt securities with
                          respect to each  particular  series of debt securities
                          registered  hereunder will be filed as an exhibit to a
                          Current  Report  on Form 8-K and shall be deemed to be
                          incorporated herein by reference.

5*                       Opinion of Steven L.  Zelkowitz  as to the  legality of
                         the debt securities to be issued

12**                      Computation of ratio of earnings to fixed charges

23-a*                   Consent of Arthur Andersen, LLP, Independent Accountants

23-b*                     Consent of Ernst & Young, LLP, Independent Auditors

23-c*                    Consent  of  Steven  L.  Zelkowitz  (contained  in  his
                         Opinion filed as Exhibit 5 hereto)

24-a**                    Powers of Attorney

24-b*                    Certified  resolution  of the  Board  of  Directors  of
                         KeySpan  authorizing  signatures  pursuant  to power of
                         attorney

25*                      Statement of Eligibility of The Chase Manhattan Bank on
                         Form T-1


------------------

* Filed herewith.

** Previously filed.



                                      II-7



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