Exhibit 99.1

                 KeySpan 2002 Third Quarter Earnings on Target
      -- New Electric Generation Units Contribute to Strong Performance --
                 -- Company Reaffirms 2002 Earnings Guidance --

Brooklyn,  New York, October 24, 2002 - KeySpan Corporation (NYSE: KSE) reported
third  quarter  earnings  in line  with  Company  expectations  driven by strong
electric business results.  KeySpan's third quarter  consolidated  earnings from
continuing  operations,  less preferred stock dividends,  were $3.6 million,  or
$0.03 per share,  compared to a loss of $38.9 million,  or $0.28 per share,  for
the same period last year. For the nine-months ended September 30, 2002, KeySpan
reported consolidated earnings from continuing operations,  less preferred stock
dividends,  of $244.5  million,  or $1.74 per share,  as compared to earnings of
$171.8  million,  or $1.25 per share,  for the same period last year.  Excluding
2001 special items,  2001 earnings from  continuing  operations,  less preferred
stock dividends, for the third quarter were a loss of $2.4 million, or $0.02 per
share,  and earnings of $243.9 million,  or $1.77 per share, for the nine-months
ended September 30.

The  main  driver  of  the  third  quarter  earnings  was  the  continued  solid
performance  of the core electric  business  during its summer peak period.  The
electric  results  benefited from the  installation of 158 megawatts of electric
generating  peaking units under contract to the Long Island Power Authority,  as
well as the hot weather  experienced  during the summer.  In  addition,  results
continue  to benefit  from lower  interest  costs,  and the  elimination  of the
amortization of goodwill expense.

"We continue to implement our focused core business strategy, highlighted by our
electric  business  results this quarter,"  said Robert B. Catell,  Chairman and
Chief Executive Officer.  "Our electric performance benefited from the more than
97% availability of our New York and Long Island  generation  plants and the new
peaking units. We successfully addressed the electric needs of New York and Long
Island  during a summer  that  experienced  much  hotter  weather  than  normal.
Moreover,  our core gas distribution  business is well positioned to address the
natural gas supply needs of our existing and potential  customers,  specifically
on Long Island and New England,  where the Company continues to add thousands of
new customers."

KeySpan's  2002  third  quarter  consolidated   earnings  available  for  common
shareholders  of $3.6 million,  or $0.03 per share,  compared to a loss of $36.6
million, or $0.26 per share, which includes discontinued operations from Midland
Enterprises,  for the same period last year. For the nine-months ended September
30,  2002,   KeySpan  reported   consolidated   earnings  available  for  common
shareholders, including discontinued operations, of $224.8 million, or $1.60 per
share,  as compared to earnings of $178.7  million,  or $1.30 per share,  in the
same period last year.



Segment Highlights
Major highlights from continuing operations in 2002 and 2001 are reported on an
Earnings Before Interest and Taxes (EBIT) basis as follows:


- ------------------------------------------------- --------------- --------------- --------------- -----------------
               EBIT ($ millions)                   3rd Quarter     3rd Quarter    Year-to-Date     Year-to-Date
               -----------------                   ------------    ------------   -------------    ------------
                                                       2002            2001            2002             2001
                                                       ----            ----            ----             ----
- ------------------------------------------------- --------------- --------------- --------------- -----------------
                                                                                         
Gas Distribution                                     ($38.9)         ($31.0)          $320.0           $318.6
- ------------------------------------------------- --------------- --------------- --------------- -----------------
Electric Services                                     $113.3          $96.5           $243.7           $229.8
- ------------------------------------------------- --------------- --------------- --------------- -----------------
Energy Services (1)                                   ($4.5)         ($69.6)         ($23.9)          ($133.0)
- ------------------------------------------------- --------------- --------------- --------------- -----------------
Energy Investments
- ------------------------------------------------- --------------- --------------- --------------- -----------------
           Exploration & Production                   $21.3           $26.8           $60.5            $136.3
- ------------------------------------------------- --------------- --------------- --------------- -----------------
           Other Energy Investments                   $10.9            $2.4           $17.1            $18.8
                                                      -----            ----           -----            -----
- ------------------------------------------------- --------------- --------------- --------------- -----------------
Total Operating Segments                              $102.1          $25.1           $617.4           $570.5
- ------------------------------------------------- --------------- --------------- --------------- -----------------
Other (2)                                            ($15.9)          $24.7          ($12.8)           $26.6
                                                     -------          -----          -------           -----
- ------------------------------------------------- --------------- --------------- --------------- -----------------
Total EBIT                                            $86.3           $49.8           $604.6           $597.1
- ------------------------------------------------- --------------- --------------- --------------- -----------------


Note: As previously  reported,  (1) 2001 Energy  Services EBIT includes  special
charges  of  $72.6  million  and  $133.7  million,  for the  third  quarter  and
nine-months  ended,  respectively,  associated with operations of the former Roy
Kay companies.  (2) 2001 Other EBIT includes a benefit of $22.0 million, for the
third quarter and nine-months ended, associated with a favorable appellate court
decision.


Key EBIT Drivers by Segment

o    The Gas  Distribution  segment  serving New York City,  Long Island and New
     England  recorded  an  anticipated  seasonal  loss  in the  third  quarter.
     Quarterly  results were  impacted,  in part, by the timing of operation and
     maintenance expenses. On a year to date basis, the gas distribution segment
     achieved  higher  EBIT than last year,  despite  the  extraordinarily  warm
     winter,  due to gas customer growth and the elimination of the amortization
     of goodwill.  Thus far in 2002,  KeySpan has completed more than 35,000 gas
     installations that should add approximately $40 million in new annual gross
     profit margin.

o    The Electric  Services segment consists of a focused  generation  portfolio
     with  revenues  provided by the  long-term  contracts  with the Long Island
     Power Authority and electric  capacity and energy sales from our Ravenswood
     Plant in New York  City.  The  Electric  Services  segment  reported  third
     quarter  results of $16.8 million  ahead of last year.  The main drivers of
     this  performance  were  contributions  from our new Long  Island  electric
     generating  peaking units and stronger  energy sales due to the hotter than
     normal summer weather.

o    The Energy  Services  segment  reported a $4.5 million EBIT loss during the
     third quarter.  The results  consisted of a positive  contribution from our
     Business Solutions segment, which continues to show improvement and is near
     target,  offset  by a loss at Home  Energy  Services  as a result  of fewer
     on-demand service requests due to the economy,  and the cost to close out a
     service operation.

o    The Energy  Investments  segment includes the Company's gas exploration and
     production  operations -- primarily from the Company's 67% ownership of The
     Houston  Exploration  Company (NYSE:  THX) -- as well as pipeline and other
     investments.  The Energy Investments  segment realized a third quarter EBIT
     increase of $3.0 million  compared to last year and a $77.5 million decline
     for the nine-months  ended  September 30, 2002,  primarily due to lower gas
     prices.  E&P  production  in the quarter  totaled 26.9 Bcfe, a 16% increase
     from 23.3 Bcfe in 2001, offset by a 10% decrease in average realized prices
     from  $3.50 per Mcf in 2001 to $3.14 per Mcf in 2002.  Given the  potential
     volatility of the gas commodity market, THX has hedged approximately 65% of
     2002  production  at a weighted  average floor price of $3.40 per MMBtu and
     weighted  average  ceiling  price of $4.83 per MMBtu,  and based on current
     year's  estimated  production,  approximately  65% of  2003  at a  weighted
     average floor price of $3.40 per MMBtu and weighted  average  ceiling price
     of $4.55 per MMBtu.



Financial Update

In October, consistent with our long-range plans, KeySpan monetized a portion of
the assets related to its joint venture  drilling  program entered into with The
Houston  Exploration Company in 1999. KeySpan received $26.5 million in cash for
18.6 Bcfe of estimated proved and probable  reserves.  The proceeds will be used
to pay down short term debt and there is no impact on earnings.

In 2002, the Company has benefited from lower interest  expense  attributable to
lower interest rates on commercial paper, and the benefit of interest rate swaps
used to optimize  the  Company's  mix of fixed and variable  debt.  In addition,
results  benefited  from  the  adoption  of  FAS  142,  which  resulted  in  the
elimination of the  amortization of goodwill in the amounts of $12.0 million and
$36.9  million  for  the  three  and  nine  months  ended  September  30,  2002,
respectively.

During  the  quarter,  KeySpan's  Board  of  Directors  reviewed  the  Company's
governance  policies and  determined  that current  corporate  practices  are in
general conformance with new statutory and regulatory requirements. In an effort
to ensure  transparency  for  shareholders,  the  Company has decided to expense
stock options  starting in 2003 to reflect all  compensation  costs in earnings.
Based on current  estimates,  expensing  the  options is not  expected to have a
significant impact on the Company's reported earnings in 2003.

2002 Earnings Outlook

Given the  Company's  year to date  results,  KeySpan  is  reaffirming  its 2002
earnings  guidance of $2.60 to $2.75 per share,  which  includes  earnings  from
continuing  core  operations  of  approximately  $2.40 to $2.45 per  share,  and
earnings from E&P  operations  of  approximately  $0.20 to $0.30 per share.  The
Company's  earnings  forecasts  may vary  significantly  during the year due to,
among other things,  changing  energy market  conditions.  KeySpan is once again
reaffirming  its  commitment to  maintaining  the dividend at the current annual
rate of $1.78 per share.

"We  continue to  implement  our strategy  toward  becoming  the premier  energy
company  in the  Northeast,"  said Mr.  Catell.  "Our  year to date  performance
reflects the strength of our core gas and electric  businesses.  We have a solid
balance sheet and strong financial  fundamentals in place, and we are pleased to
reaffirm  our 2002  earnings  forecast  of $2.60 to $2.75  per  share  and solid
dividend  of $1.78 per  share."
- --------------------------------------------------------------------------------

A member of the Standard & Poor's 500 Index,  KeySpan Corporation (NYSE: KSE) is
the largest  distributor of natural gas in the  Northeast,  with 2.5 million gas
customers  and  approximately  12,000  employees.  KeySpan  is also the  largest
investor-owned  electric  generator in New York State and operates Long Island's
electric  system under contract with the Long Island Power Authority for its 1.1
million  customers.  With  headquarters  in  Brooklyn,  Boston and Long  Island,
KeySpan also manages a dynamic  portfolio of service  companies.  They  include:
KeySpan Energy Delivery,  the group of regulated natural gas utilities;  KeySpan
Home Energy Services,  a group of energy product,  repair and services companies
for residential and small commercial  business  customers;  and KeySpan Business
Solutions, a full-service group of energy product, repair and services companies
for  larger  business  customers.  KeySpan  also has  strategic  investments  in
natural-gas exploration and production,  pipeline  transportation,  distribution
and storage,  and fiber-optic  cable. For more information,  visit KeySpan's web
site at: http://www.keyspanenergy.com.



Certain  statements  contained  herein  are  forward-looking  statements,  which
reflect  numerous  assumptions  and  estimates and involve a number of risks and
uncertainties.  For these statements, we claim the protection of the safe harbor
for  forward-looking  statements  provided by the Private Securities  Litigation
Reform Act of 1995. There are possible  developments that could cause our actual
results  to  differ   materially   from  those   forecast   or  implied  in  the
forward-looking  statements.  You are cautioned  not to place undue  reliance on
these forward-looking statements,  which are current only as of the date of this
filing.  We  disclaim  any  intention  or  obligation  to update  or revise  any
forward-looking  statements,  whether  as a result  of new  information,  future
events or otherwise. Among the factors that could cause actual results to differ
materially are: general economic conditions,  especially in the Northeast United
States;  available  sources and costs of fuel;  volatility of energy prices in a
deregulated  market environment as well as in the source of natural gas and fuel
used to generate electricity;  potential write-down of our investment in natural
gas properties  when natural gas prices are depressed or if we have  significant
downward  revisions  in our  estimated  proved gas  reserves;  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;  implementation of new accounting standards;  the degree to which we
develop unregulated  business ventures,  as well as federal and state regulatory
policies  affecting our ability to retain and operate those  business  ventures;
our  ability to identify  and make  complementary  acquisitions,  as well as the
successful  integration of those acquisitions;  inflationary trends and interest
rates; and risks detailed from time to time in reports and other documents filed
by us with the Securities and Exchange Commission.
- --------------------------------------------------------------------------------

Earnings  Conference  Call:  Investors are invited to participate in the KeySpan
Corporation 2002 Third Quarter Earnings Conference Call on:

Thursday, October 24, 2002, at 4:00 PM (EST)
Dial Number: 888-552-7850
International Dial Number: (706) 645-9166

Replay Number: 800-642-1687
International Replay Number: (706) 645-9291
Access Code: 5656138

Audio webcast available at http://investor.keyspanenergy.com






                               KeySpan Corporation
                        Consolidated Summary of Earnings
               (In Thousands of Dollars, Except Per Share Amounts)

   -------------------------------------------------------------------------------------------------------------------------
                                                         3 Months          3 Months          9 Months          9 Months
                                                           Ended             Ended             Ended             Ended
                                                         9/30/02           9/30/01           9/30/02           9/30/01
   -------------------------------------------------------------------------------------------------------------------------
                                                                                                    
   Revenues
     Gas Distribution                                         $337,785         $346,703         $2,082,577       $2,721,032
     Electric Services                                         414,868          387,881          1,084,309        1,089,156
     Energy Services                                           217,104          263,047            687,975          814,911
     Gas Exploration and Production                             86,464           82,362            249,452          318,093
     Energy Investments                                         23,599           22,436             62,784           73,627
   -------------------------------------------------------------------------------------------------------------------------
   Total Revenues                                            1,079,820        1,102,429          4,167,097        5,016,819
   -------------------------------------------------------------------------------------------------------------------------

   Operating Expenses
     Purchased gas for resale                                  138,607          148,893          1,037,907        1,694,591
     Fuel and purchased power                                  139,538          164,555            317,253          454,212
     Operations and maintenance                                485,157          507,113          1,531,394        1,544,799
     Depreciation, depletion
      & amortization                                           127,301          135,937            380,758          388,679
     Operating taxes                                            96,298           94,909            304,076          337,734
   -------------------------------------------------------------------------------------------------------------------------
   Total Operating Expenses                                    986,901        1,051,407          3,571,388        4,420,015
   -------------------------------------------------------------------------------------------------------------------------
   Operating Income                                             92,919           51,022            595,709          596,804

   Other Income & (Deductions)                                  (6,646)          (1,230)             8,901              316
   -------------------------------------------------------------------------------------------------------------------------

   Income Before Interest Charges
    & Income Taxes                                              86,273           49,792            604,610          597,120

   Interest Charges                                             79,937           78,735            222,594          263,967
   Income Taxes                                                  1,372            8,484            133,249          156,884
   -------------------------------------------------------------------------------------------------------------------------
   Earnings (Loss) From
    Continuing Operations                                        4,964          (37,427)           248,767          176,269
   -------------------------------------------------------------------------------------------------------------------------

   Income (Loss) From Discontinued Operations                        -            2,253            (19,662)           6,806
   -------------------------------------------------------------------------------------------------------------------------

   Net Income                                                    4,964          (35,174)           229,105          183,075
   Preferred Stock Dividends                                     1,335            1,473              4,287            4,425
   -------------------------------------------------------------------------------------------------------------------------
   Earnings (Loss) For Common Stock                             $3,629        $ (36,647)          $224,818         $178,650
   -------------------------------------------------------------------------------------------------------------------------

   Basic Earnings (Loss) Per Share:
    Continuing Operations                                         0.04            (0.27)              1.77             1.28
    Discontinued Operations                                          -             0.02              (0.14)            0.05
    Preferred Stock                                              (0.01)           (0.01)             (0.03)           (0.03)
   -------------------------------------------------------------------------------------------------------------------------
   Basic Earnings (Loss) Per Share                                0.03            (0.26)              1.60             1.30
   -------------------------------------------------------------------------------------------------------------------------

   Diluted Earnings (Loss) Per Share:
    Continuing Operations                                         0.03            (0.27)              1.75             1.26
    Discontinued Operations                                          -             0.02              (0.14)            0.05
    Preferred Stock                                              (0.01)           (0.01)             (0.03)           (0.03)
   -------------------------------------------------------------------------------------------------------------------------
   Diluted Earnings (Loss) Per Share                              0.02            (0.26)              1.58             1.28
   -------------------------------------------------------------------------------------------------------------------------

   Average Common Shares
    Outstanding (000)                                          141,686          138,693            140,929          137,856

   Average Common Shares
    Outstanding - Diluted (000)                                142,359          139,508            141,760          138,921




                                    PRELIMINARY

                               KeySpan Corporation
                               Segment Information
                      Three Months Ended September 30, 2002
                            (In Thousands of Dollars)

                                                             Energy Investments
                                                        --------------------------

                                                            Gas                                Total
                               Gas           Electric    Exploration      Other     Energy     Operating     Recon-         Total
                           Distribution      Services    & Production  Investments  Services   Segments     ciliations  Consolidated
                         ---------------------------------------------------------------------------------------------------------
                                                                                              
 Unaffliated Revenues             337,785   414,868        86,464       23,599      217,104   1,079,820                 1,079,820
 Intersegment Revenues                           25                        194                      219     (219)               -
                         ---------------------------------------------------------------------------------------------------------
 Revenues                         337,785   414,893        86,464       23,793      217,104   1,080,039     (219)       1,079,820

 Operation Expenses
 Purchased Gas                    130,698         -             -            -        7,909     138,607                   138,607

 Purchased Fuel                         -   101,572             -           66       37,900     139,538                   139,538

 Operations and
  Maintenance                     147,023   149,682        12,234       10,849      173,393     493,181   (8,024)         485,157

 Depreciation, Depletion
  & Amortizations                  56,174    16,176        44,880        3,875        2,430     123,535    3,766          127,301

 Operating Taxes                   45,972    40,809         2,996          758          306      90,841    5,457           96,298

                         ---------------------------------------------------------------------------------------------------------
 Total  Operating
  Expenses                         379,867   308,239        60,110       15,548      221,938     985,702    1,199          986,901
                         ---------------------------------------------------------------------------------------------------------

 Operating Income                 (42,082)  106,654        26,354        8,245       (4,834)     94,337   (1,418)          92,919

 Other Income and
  (Deductions)                      3,204     6,624        (5,079)       2,690          379       7,818  (14,464)          (6,646)

 Income Before Interest  ---------------------------------------------------------------------------------------------------------
  Charges & Income Taxes          (38,878)  113,278        21,275       10,935       (4,455)    102,155  (15,882)          86,273
                         =========================================================================================================






                               KeySpan Corporation
                               Segment Information
                      Nine Months Ended September 30, 2002
                            (In Thousands of Dollars)

                                                            Energy Investments
                                                        -------------------------

                                                             Gas                                Total
                               Gas           Electric    Exploration      Other     Energy     Operating     Recon-         Total
                           Distribution      Services    & Production  Investments  Services   Segments     ciliations  Consolidated
                          ----------------------------------------------------------------------------------------------------------
                                                                                                 
 Unaffliated Revenues         2,082,577     1,084,309       249,452        62,784   687,975      4,167,097                4,167,097
 Intersegment Revenues                             75                         582                      657       (657)            -
                          ----------------------------------------------------------------------------------------------------------
 Revenues                     2,082,577     1,084,384       249,452        63,366   687,975      4,167,754       (657)    4,167,097

 Operation Expenses
 Purchased Gas                  980,638             -             -             -    57,269      1,037,907          -     1,037,907

 Purchased Fuel                       -       216,712             -           116   100,425        317,253          -       317,253

 Operations and
  Maintenance                   445,330       481,732        35,183        44,633   547,695      1,554,573    (23,179)    1,531,394

 Depreciation, Depletion
  & Amortizations               177,312        43,835       130,766        10,791     6,726        369,430     11,328       380,758

 Operating Taxes                170,078       114,449         7,870         2,414       916        295,727      8,349       304,076

                          ----------------------------------------------------------------------------------------------------------
 Total  Operating
  Expenses                    1,773,358       856,728       173,819        57,954   713,031      3,574,890     (3,502)    3,571,388
                          ----------------------------------------------------------------------------------------------------------

 Operating Income               309,219       227,656        75,633         5,412   (25,056)       592,864      2,845       595,709

 Other Income and
  (Deductions)                   10,797        15,995       (15,091)       11,677     1,155         24,533    (15,632)        8,901

  Income Before Interest  ----------------------------------------------------------------------------------------------------------
  Charges & Income Taxes        320,016       243,651        60,542        17,089   (23,901)       617,397    (12,787)      604,610
                          ==========================================================================================================







                                   PRELIMINARY

                               KeySpan Corporation
                               Segment Information
                      Three Months Ended September 30, 2001
                            (In Thousands of Dollars)

                                                             Energy Investments
                                                        --------------------------
                                                            Gas                                Total
                               Gas           Electric    Exploration      Other     Energy     Operating     Recon-         Total
                           Distribution      Services    & Production  Investments  Services   Segments     ciliations  Consolidated
                           ---------------------------------------------------------------------------------------------------------
                                                                                                 
 Unaffliated Revenues            346,703      387,881       82,362      22,436      263,047      1,102,429                1,102,429
 Intersegment Revenues                             25                                                   25        (25)            -
                             -------------------------------------------------------------------------------------------------------
 Revenues                        346,703      387,906       82,362      22,436      263,047      1,102,454        (25)    1,102,429

 Operation Expenses
 Purchased Gas                   144,279            -            -           -        4,614        148,893          -       148,893

 Purchased Fuel                        -       87,401            -           -       77,154        164,555          -       164,555

 Operations and
  Maintenance                    125,276      153,881       10,459      18,562      232,697        540,875    (33,762)      507,113

 Depreciation, Depletion
  & Amortizations                 60,341       13,200       35,697       3,816       18,199        131,253      4,684       135,937

 Operating Taxes                  50,530       38,931        2,012         670          278         92,421      2,488        94,909

                             -------------------------------------------------------------------------------------------------------
 Total  Operating
  Expenses                       380,426      293,413       48,168      23,048      332,942      1,077,997    (26,590)    1,051,407
                             -------------------------------------------------------------------------------------------------------

 Operating Income                (33,723)      94,493       34,194        (612)     (69,895)        24,457     26,565        51,022

 Other Income &
  (Deductions)                     2,714        2,026       (7,407)      3,030          301            664     (1,894)       (1,230)

   Income Before Interest    -------------------------------------------------------------------------------------------------------
   Charges and Income Taxes      (31,009)      96,519       26,787       2,418      (69,594)        25,121     24,671        49,792
                             =======================================================================================================






                               KeySpan Corporation
                               Segment Information
                      Nine Months Ended September 30, 2001
                            (In Thousands of Dollars)

                                                            Energy Investments
                                                        -------------------------
                                                            Gas                                Total
                                 Gas         Electric    Exploration      Other     Energy     Operating     Recon-         Total
                             Distribution    Services    & Production  Investments  Services   Segments     ciliations  Consolidated
                             ------------------------------------------------------------------------------------------------------
                                                                                                
 Unaffliated Revenues           2,721,032     1,089,156     318,093       73,627     814,911     5,016,819               5,016,819
 Intersegment Revenues                               75                                                 75        (75)           -
                             ------------------------------------------------------------------------------------------------------
 Revenues                       2,721,032     1,089,231     318,093       73,627     814,911     5,016,894        (75)   5,016,819

 Operation Expenses
 Purchased Gas                  1,578,074             -           -        2,731     113,786     1,694,591          -    1,694,591

 Purchased Fuel                         -       241,055           -            -     213,157       454,212          -      454,212

 Operations and
  Maintenance                     442,504       465,787      40,341       48,967     591,159     1,588,758    (43,959)   1,544,799

 Depreciation, Depletion
  & Amortizations                 191,677        38,490     102,749       11,337      30,038       374,291     14,388      388,679

 Operating Taxes                  202,310       120,600       4,574          931         836       329,251      8,483      337,734

                             ------------------------------------------------------------------------------------------------------
 Total  Operating
  Expenses                      2,414,565       865,932     147,664       63,966     948,976     4,441,103    (21,088)   4,420,015
                             ------------------------------------------------------------------------------------------------------

 Operating Income                 306,467       223,299     170,429        9,661    (134,065)      575,791     21,013      596,804

 Other Income &
  (Deductions)                     12,129         6,526     (34,169)       9,158       1,052        (5,304)     5,620          316

   Income Before Interest    ------------------------------------------------------------------------------------------------------
   Charges and Income Taxes       318,596       229,825     136,260       18,819    (133,013)      570,487     26,633      597,120
                             ======================================================================================================