COLONIAL GAS CO
8-K, 1998-10-21
NATURAL GAS DISTRIBUTION
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549



                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


               Date of Report (Date of earliest event reported):

                                October 17, 1998


                              COLONIAL GAS COMPANY
             (Exact name of registrant as specified in its charter)



    Massachusetts              0-10007              04-1558100
(State or other           (Commission File        (IRS Employer
 jurisdiction of               Number)            Identification No.)
  incorporation)  


              40 Market Street, Lowell, Massachusetts 01852  
            (Address of principal executive offices and zip code)


              Registrant's telephone number, including area code:
                                (978) 322-3000



<PAGE>



Item 5.    Other Events.

      On October 17,  1998,  Colonial Gas Company  (the  "Company")  and Eastern
Enterprises,  a Massachusetts business trust, entered into an Agreement and Plan
of  Reorganization  (the "Merger  Agreement").  The Merger Agreement and a press
release relating thereto are attached hereto as exhibits.

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

      (c)  Exhibits

           2.1  Agreement  and Plan of  Reorganization  by and  between  Eastern
                Enterprises  and  Colonial  Gas Company  dated as of October 17,
                1998.

           99.1 Press Release issued by the Company on October 19, 1998.



                                   SIGNATURES

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

October 21, 1998                         COLONIAL GAS COMPANY



                                    By: /s/ Frederic L. Putnam, III 

                                        Frederic L. Putnam, III
                                        President and Chief Executive Officer



<PAGE>


                                  EXHIBIT INDEX


2.1   Agreement and Plan of  Reorganization  by and between Eastern  Enterprises
      and Colonial Gas Company dated as of October 17, 1998.

99.1 Press Release issued by the Company on October 19, 1998.




             AGREEMENT AND PLAN OF REORGANIZATION


                          BY AND BETWEEN

                        EASTERN ENTERPRISES

                                AND

                       COLONIAL GAS COMPANY



                   DATED AS OF OCTOBER 17, 1998



<PAGE>






                         TABLE OF CONTENTS
                                                                Page


Article 1    THE MERGER...........................................2

      1.1  The Merger.............................................2

      1.2  Effective Time; Closing................................2

      1.3  Effect of the Merger...................................2

      1.4  Articles of Organization; Bylaws.......................3

      1.5  Directors and Officers.................................3

      1.6  Effect on Capital Stock................................3

      1.7  Surrender of Certificates..............................7

      1.8  No Further Ownership Rights in Seller Common Stock.....8

      1.9  Lost, Stolen or Destroyed Certificates.................8

      1.10 Tax Consequences.......................................9

      1.11 Taking of Necessary Action; Further Action.............9

Article 2    REPRESENTATIONS AND WARRANTIES OF THE SELLER.........9

      2.1  Organization of the Seller.............................9

      2.2  The Seller Capital Structure..........................10

      2.3  Authority.............................................11

      2.4  Chapter 110F Not Applicable...........................12

      2.5  SEC Filings; the Seller Financial Statements..........12

      2.6  Absence of Certain Changes or Events..................13

      2.7  Tax Matters...........................................15

      2.8  Regulation as a Utility...............................15

      2.9  Title to Properties; Absence of Liens and
           Encumbrances..........................................16

      2.10 Intellectual Property.................................16

      2.11 Compliance; Permits; Restrictions.....................17

      2.12 Litigation............................................17

      2.13 Brokers' and Finders' Fees............................17

      2.14 Employee Benefit Plans................................17

      2.15 Employment Matters....................................19

      2.16 Environmental Matters.................................20

      2.17 Agreements, Contracts and Commitments.................20

      2.18 Statements; Proxy Statement/Prospectus................22

<PAGE>

      2.19 Fairness Opinion......................................22

      2.20 Insurance.............................................22

      2.21 Year 2000.............................................23

Article 3    REPRESENTATIONS AND WARRANTIES OF THE BUYER.........23

      3.1  Organization of the Buyer.............................23

      3.2  The Buyer Capital Structure...........................24

      3.3  Merger Sub............................................24

      3.4  Authority.............................................24

      3.5  SEC Filings; the Buyer Financial Statements...........25

      3.6  Absence of Certain Changes and Events.................26

      3.7  Litigation............................................27

      3.8  Registration Statement; Proxy Statement/Prospectus....27

      3.9  Compliance; Permits; Restrictions.....................27

      3.10 Regulation as a Utility...............................28

      3.11 Ownership of the Seller Common Stock..................28

Article 4    CONDUCT PRIOR TO THE EFFECTIVE TIME.................28

      4.1  Conduct of Business by the Seller and the Buyer.......28

      4.2  Certain Actions by the Seller.........................28

Article 5    ADDITIONAL AGREEMENTS...............................30

      5.1  Proxy Statement/Prospectus; Registration
           Statement; Other Filings..............................30

      5.2  Meetings of Stockholders..............................31

      5.3  Access to Information; Confidentiality................31

      5.4  No Solicitation.......................................32

      5.5  Public Disclosure.....................................33

      5.6  Legal Requirements....................................33

      5.7  Third Party Consents..................................34

      5.8  Notification of Certain Matters.......................34

      5.9  Best Efforts and Further Assurances...................35

      5.10 The Seller Employee Plans; Employment Matters.........35

      5.11 Indemnification; D&O Insurance........................36

<PAGE>

      5.12 Tax-Free Reorganization...............................37

      5.13 Listing...............................................38

      5.14 The Seller Affiliate Agreement........................38

      5.15 Representation on Buyer Board.........................38

      5.16 Dividend Record Date..................................38

Article 6    CONDITIONS TO THE MERGER............................39

      6.1  Conditions to Obligations of Each Party to Effect
           the Merger............................................39

      6.2  Additional Conditions to Obligations of the Seller....40

      6.3  Additional Conditions to the Obligations of the
           Buyer and Merger Sub..................................40

Article 7    TERMINATION.........................................41

      7.1  Termination...........................................41

      7.2  Notice of Termination; Effect of Termination..........43

      7.3  Fees and Expenses.....................................43

Article 8    GENERAL PROVISIONS..................................46

      8.1  Non-Survival of Representations and Warranties........46

      8.2  Notices...............................................46

      8.3  Interpretation; Knowledge.............................47

      8.4  Counterparts..........................................47

      8.5  Entire Agreement......................................48

      8.6  Severability..........................................48

      8.7  Amendment.............................................48

      8.8  Extension; Waiver.....................................48

      8.9  Other Remedies; Specific Performance..................48

      8.10 Governing Law.........................................48

      8.11 Assignment............................................49

      8.12 Parties in Interest...................................49

      8.13 Waiver of Jury Trial..................................49

      8.14 Massachusetts Business Trust..........................49

Exhibit A - Affiliate Letter

<PAGE>



               AGREEMENT AND PLAN OF REORGANIZATION


      This AGREEMENT AND PLAN OF REORGANIZATION  (the  "Agreement")  dated as of
October  17,  1998  is by and  between  Eastern  Enterprises  (the  "Buyer"),  a
Massachusetts  business  trust,  and  Colonial  Gas Company  (the  "Seller"),  a
Massachusetts utility corporation.

                             RECITALS

      A. Upon the terms and subject to the  conditions of this  Agreement and in
accordance   with  Chapter  156B  of  the   Massachusetts   General  Laws,   the
Massachusetts  Business  Corporation  Law (the  "MBCL"),  and Chapter 164 of the
Massachusetts  General Laws ("Chapter 164"), the  Massachusetts  Manufacture and
Sale of Gas and  Electricity  Law,  the Buyer and the  Seller  will enter into a
business  combination  transaction  pursuant to which the Seller will merge with
and into a wholly-owned  subsidiary of the Buyer to be formed as a Massachusetts
utility corporation ("Merger Sub").

      B. The Board of Trustees of the Buyer (i) has  determined  that the Merger
is consistent with and in furtherance of the long-term  business strategy of the
Buyer and fair to, and in the best interests of, the Buyer and its stockholders,
and (ii) has  approved  this  Agreement,  the Merger and the other  transactions
contemplated by this Agreement,  subject to approval by the  stockholders of the
Buyer, if required.

      C. The Board of Directors of the Seller (i) has determined that the Merger
is consistent with and in furtherance of the long-term  business strategy of the
Seller  and  fair  to,  and in  the  best  interests  of,  the  Seller  and  its
stockholders,  and (ii) has approved  this  Agreement,  the Merger and the other
transactions  contemplated by this Agreement,  subject to approval of the Merger
by the  stockholders  of the  Seller  and by  the  Massachusetts  Department  of
Telecommunications and Energy (the "DTE") in accordance with Chapter 164.

      D. The Buyer and the  Seller,  and  Merger  Sub when it is  organized  and
becomes a party to this Agreement,  desire to make certain  representations  and
warranties and other agreements in connection with the Merger.

      E. The parties  intend,  by executing this  Agreement,  to adopt a plan of
reorganization within the meaning of Section 368 of the Internal Revenue Code of
1986, as amended (the "Code").

      NOW,   THEREFORE,   in  consideration  of  the  covenants,   promises  and
representations set forth herein, and for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged,  the parties agree
as follows:



<PAGE>




                             Article 1

                            THE MERGER

      1.1  The Merger.

           (a) At the Effective  Time (as defined in Section 1.2) and subject to
and  upon  the  terms  and  conditions  of this  Agreement  and  the  applicable
provisions of the MBCL and Chapter 164, the Seller shall be merged with and into
Merger Sub,  the  separate  corporate  existence  of the Seller  shall cease and
Merger  Sub shall  continue  as the  surviving  corporation.  Merger  Sub as the
surviving  corporation after the Merger is hereinafter  sometimes referred to as
the "Surviving Corporation."

           (b) Prior to the Effective  Time, the Buyer shall cause Merger Sub to
be incorporated as a Massachusetts  utility corporation,  to adopt a charter and
other organizational  documents as may be necessary or advisable and which shall
be  appropriate  for effecting the purposes of this  Agreement,  and to become a
party to this Agreement for purposes of effecting the Merger in accordance  with
the MBCL and Chapter 164.

      1.2 Effective Time; Closing.  Subject to the provisions of this Agreement,
the parties hereto shall cause the Merger to be  consummated by filing  Articles
of Merger (the "Articles of Merger") with the Secretary of the  Commonwealth  of
Massachusetts in accordance with the relevant provisions of the MBCL and Chapter
164 (the time of such filing,  or such later time as may be agreed in writing by
the parties and specified in the Articles of Merger, being the "Effective Time,"
and the date on which the Effective Time occurs being the  "Effective  Date") as
soon as practicable on the Closing Date (as herein defined).  Unless the context
otherwise  requires,  the term "Agreement" as used herein refers collectively to
this  Agreement  and the  Articles  of Merger.  The  closing of the Merger  (the
"Closing")  shall  take place at the  offices of Palmer & Dodge LLP,  One Beacon
Street,  Boston,  Massachusetts,  at a time  and  date  to be  specified  by the
parties,  which  shall be no later  than  the  second  business  day  after  the
satisfaction  or waiver of the  conditions  set forth in  Article 6 (other  than
delivery of items to be delivered at Closing),  or at such other time,  date and
location as the parties  hereto agree in writing (the  "Closing  Date").  At the
Closing,  (a) the Seller shall deliver to the Buyer the various certificates and
instruments required under Article 6, (b) the Buyer and Merger Sub shall deliver
to the Seller the various certificates and instruments required under Article 6,
and (c) the Seller and Merger Sub shall  execute and file with the  Secretary of
the Commonwealth of Massachusetts the Articles of Merger.

      1.3 Effect of the Merger.  At the Effective Time, the effect of the Merger
shall be as provided in this Agreement and the applicable provisions of the MBCL
and Chapter 164. Without  limiting the generality of the foregoing,  and subject
thereto,  at the Effective Time all the estate,  property,  rights,  privileges,
powers and  franchises  of the Seller and Merger Sub shall vest in the Surviving
Corporation, and all debts, liabilities and obligations of the Seller and Merger
Sub shall  become  the  debts,  liabilities  and  obligations  of the  Surviving
Corporation.

<PAGE>

      1.4  Articles of Organization; Bylaws.

           (a) At the Effective  Time,  the Articles of  Organization  of Merger
Sub, as in effect immediately prior to the Effective Time, shall be the Articles
of  Organization  of the  Surviving  Corporation  until  thereafter  amended  as
provided by law and such Articles of Organization;  provided,  however,  that at
the Effective  Time the Articles of  Organization  of the Surviving  Corporation
shall  be  amended  so that  the  name of the  Surviving  Corporation  shall  be
"Colonial Gas Company."

           (b) The Bylaws of Merger Sub, as in effect  immediately  prior to the
Effective  Time,  shall be, at the Effective  Time,  the Bylaws of the Surviving
Corporation until thereafter amended.

      1.5 Directors and Officers.  The directors of Merger Sub immediately prior
to  the  Effective  Time  shall  be  the  initial  directors  of  the  Surviving
Corporation,  to serve until their  respective  successors  are duly  elected or
appointed and  qualified.  The officers of Merger Sub  immediately  prior to the
Effective Time shall be the initial  officers of the Surviving  Corporation,  to
serve until their successors are duly elected or appointed or qualified.

      1.6 Effect on  Capital  Stock.  At the  Effective  Time,  by virtue of the
Merger  and  without  any  action on the part of Merger  Sub,  the Seller or the
holders of any of the following securities:

           (a)  Conversion of Seller  Common Stock.  Each share of Common Stock,
$3.33  par  value,  of  the  Seller  (the  "Seller  Common  Stock")  issued  and
outstanding  immediately  prior to the Effective  Time (other than any shares of
Seller Common Stock to be canceled  pursuant to Section 1.6(c)) will be canceled
and extinguished and  automatically  converted  (subject to Section 1.6(f)) into
the right to receive at the Effective Time:

           (i) (A)  $37.50  in cash,  without  interest  (the  "Per  Share  Cash
      Amount"),  (B) a number of shares of Common Stock, $1.00 par value, of the
      Buyer  (the  "Buyer  Common  Stock")  equal to the Per Share  Cash  Amount
      divided by the Market Value (as defined  below) of Buyer Common Stock (the
      "Exchange Ratio"), or (C) a combination of cash and shares of Buyer Common
      Stock determined in accordance with this Section 1.6. For purposes of this
      Agreement,  "Market  Value" of Buyer Common Stock means the average of the
      per share closing prices of Buyer Common Stock as reported on the New York
      Stock  Exchange  (the "NYSE") for the ten trading days ending on the third
      trading day prior to the  Effective  Date.  Notwithstanding  the  previous
      sentence,  (x) if the  Market  Value of Buyer  Common  Stock  computed  in
      accordance  with the  previous  sentence  is less than  $37.56  per share,
      Market Value for purposes of this Section  1.6(a)(i) shall mean $37.56 and
      (y) if the Market Value of Buyer Common Stock computed in accordance  with
      the previous  sentence is greater than $47.80 per share,  Market Value for
      purposes of this Section 1.6(a)(i) shall mean $47.80.

           (ii) The number of shares of Seller Common Stock to be converted into
      the right to receive cash in the Merger will, subject to Section

<PAGE>

      1.6(a)(vii),  be  4,000,000  shares  (the  "Cash  Election  Number").  The
      remaining shares of Seller Common Stock  outstanding  immediately prior to
      the Effective  Time (the "Stock  Election  Number") will be converted into
      the right to receive Buyer Common Stock in the Merger.

           (iii)Subject  to the allocation and election  procedures set forth in
      this  Section  1.6,  each record  holder of shares of Seller  Common Stock
      immediately  prior to the  Effective  Time will be  entitled in respect of
      each  such  share  (i) to elect to  receive  cash for such  share (a "Cash
      Election"),  (ii) to elect to receive Buyer Common Stock for such share (a
      "Stock  Election"),  or (iii) to indicate  that such record  holder has no
      preference  as to the receipt of cash or Buyer Common Stock for such share
      (a "Non-Election"). All such elections will be made on a form designed for
      that purpose (a "Form of Election").

           (iv) If the aggregate number of shares covered by Cash Elections (the
      "Cash Election  Shares") exceeds the Cash Election  Number,  all shares of
      Seller  Common  Stock  covered by Stock  Elections  (the  "Stock  Election
      Shares") and all shares of Seller  Common Stock  covered by  Non-Elections
      (the  "Non-Election  Shares") will be converted  into the right to receive
      Buyer Common Stock,  and the Cash Election  Shares will be converted  into
      the right to receive Buyer Common Stock and cash in the following manner:

           Each Cash Election  Share will be converted into the right to receive
           (A) an amount in cash, without interest,  equal to the product of (x)
           the Per Share Cash Amount and (y) a fraction  (the "Cash  Fraction"),
           the  numerator  of which  will be the Cash  Election  Number  and the
           denominator  of  which  will be the  total  number  of Cash  Election
           Shares, and (B) a number of shares of Buyer Common Stock equal to the
           product of (x) the  Exchange  Ratio and (y) a  fraction  equal to one
           minus the Cash Fraction.

           (v) If the  aggregate  number of Stock  Election  Shares  exceeds the
      Stock  Election  Number,  all Cash  Election  Shares and all  Non-Election
      Shares will be  converted  into the right to receive  cash,  and all Stock
      Election  Shares will be converted  into the right to receive Buyer Common
      Stock and cash in the following manner:

           Each Stock Election Share will be converted into the right to receive
           (A) a number of shares of Buyer  Common Stock equal to the product of
           (x) the Exchange Ratio and (y) a fraction (the "Stock Fraction"), the
           numerator  of  which  will  be the  Stock  Election  Number  and  the
           denominator  of which  will be the  total  number  of Stock  Election
           Shares,  and (B) an amount in cash,  without  interest,  equal to the
           product of (x) the Per Share Cash Amount and (y) a fraction  equal to
           one minus the Stock Fraction.

           (vi) In the event that neither subparagraph (iv) nor subparagraph (v)
      above is applicable,  all Cash Election  Shares will be converted into the
      right to receive cash,  all Stock  Election  Shares will be converted into
      the right to receive Buyer Common Stock, and all Non-Election  Shares will
      be converted into the right to receive Buyer Common Stock and the right to
      receive cash on a proportionate basis so that the Stock Election Number

<PAGE>

     and the Cash  Election  Number equal their  respective  percentages  of the
      number  of shares  of  Seller  Common  Stock  outstanding  as  closely  as
      possible.

           (vii)In the event that the Buyer Common Stock  (excluding  fractional
      shares to be paid in cash pursuant to Section  1.6(f)) to be issued in the
      Merger in exchange for shares of Seller Common Stock, valued at the lesser
      of (i) the average of the per share closing prices as reported on the NYSE
      for the ten  trading  days  ending on the third  trading  day prior to the
      Effective  Date and (ii) the average of the high and low trading prices as
      reported on the NYSE for the Effective Date, minus the aggregate discount,
      if any, due to trading restrictions on the Buyer Common Stock to be issued
      in the Merger (the  "Buyer  Common  Stock  Value") is less than 45% of the
      total consideration to be paid in exchange for the shares of Seller Common
      Stock (including  without limitation the amount of cash to be paid in lieu
      of fractional  shares  pursuant to Section  1.6(f) and any other  payments
      required  to be  considered  in  determining  whether  the  continuity  of
      interest  requirement  applicable to reorganizations  under Section 368 of
      the Code has been  satisfied) (the "Total  Consideration"),  then the Cash
      Election  Number shall be reduced,  and the Stock Election Number shall be
      correspondingly  increased,  to the  extent  necessary  so that the  Buyer
      Common Stock Value is 45% of the Total Consideration.

           (b)  Cash Election Procedure.

           (i) The  Buyer  and the  Seller  will  each use its  reasonable  best
      efforts to cause a Form of Election to be mailed not less than thirty (30)
      days prior to the  anticipated  Effective Time to all holders of record of
      shares  of  Seller  Common  Stock as of the  record  date  for the  Seller
      Stockholders'  Meeting  (as  hereinafter  defined)  and to all persons who
      become holders of Seller Common Stock during the period between the record
      date for the Seller Stockholders' Meeting and 5:00 p.m., New York time, on
      the date seven calendar days prior to the  anticipated  Effective Time and
      to make the Form of Election  available to all persons who become  holders
      of Seller Common Stock subsequent to such time.  Elections will be made by
      holders of Seller Common Stock by mailing to the Exchange  Agent a Form of
      Election. Holders of record of shares of Seller Common Stock who hold such
      shares as  nominees,  trustees or in other  representative  capacities  (a
      "Representative")  may submit  multiple  Forms of Election,  provided that
      such  Representative  certifies that each such Form of Election covers all
      the  shares of  Seller  Common  Stock  held by each  Representative  for a
      particular  beneficial owner. To be effective,  a Form of Election must be
      properly  completed,  signed  and  submitted  to the  Exchange  Agent  and
      accompanied by the  certificates  representing the shares of Seller Common
      Stock as to  which  the  election  is  being  made  (or by an  appropriate
      guarantee  of delivery of such  certificates  as set forth in such Form of
      Election from a member of any registered  national  securities exchange or
      of the National  Association  of Securities  Dealers,  Inc.  ("NASD") or a
      bank, trust company, credit union, savings association,  broker, dealer or
      other entity that is a member in good standing of the Securities  Transfer
      Agent's Medallion Program,  the NYSE Medallion  Signature Guaranty Program
      or the  Stock  Exchange  Medallion  Program).  The  Buyer  will  have  the
      discretion,  which it may  delegate  in  whole or in part to the  Exchange
      Agent,  to  determine   whether  Forms  of  Election  have  been  properly
      completed, signed and submitted or revoked and to disregard immaterial

<PAGE>

      defects in Forms of  Election.  The decision of the Buyer (or the Exchange
      Agent) in such matters will be conclusive  and binding.  Neither the Buyer
      nor the Exchange  Agent will be under any  obligation to notify any person
      of any defect in a Form of Election  submitted to the Exchange Agent.  The
      Exchange Agent will also make  computations  contemplated  by this Section
      1.6 and all  such  computations  will be  conclusive  and  binding  on the
      holders of Seller Common Stock.

           (ii) For the  purposes  hereof,  a holder of Seller  Common Stock who
      does not submit a Form of Election which is received by the Exchange Agent
      prior to the Election  Deadline (as defined herein) will be deemed to have
      made a Non-Election. If the Buyer or the Exchange Agent determine that any
      purported  Cash  Election or Stock  Election was not properly  made,  such
      purported Cash Election or Stock Election will be deemed to be of no force
      and effect and the  stockholder  making such  purported  election will for
      purposes hereof be deemed to have made a Non-Election.

           (iii)A Form of Election must be received by the Exchange Agent by the
      close of business on the last  business  day prior to the  Effective  Time
      (the "Election  Deadline") in order to be effective.  All elections may be
      revoked until the Election  Deadline in writing by holders  submitting the
      Forms of Election.

           (c) Cancellation of Certain Shares. Each share of Seller Common Stock
held in the  treasury  of the  Seller or owned by Merger  Sub,  the Buyer or any
direct  or  indirect  wholly  owned  subsidiary  of the  Seller  or of the Buyer
immediately  prior to the  Effective  Time shall be  canceled  and  extinguished
without any conversion thereof.

           (d) Capital Stock of Merger Sub.  Each share of Common  Stock,  $1.00
par  value,  of Merger  Sub  issued  and  outstanding  immediately  prior to the
Effective  Time  shall  continue  to be  outstanding  following,  and  shall  be
unaffected by, the Merger.

           (e)  Adjustment  of  Exchange  Ratio.  The  Exchange  Ratio  and Cash
Election  Number  shall be  adjusted  to  reflect  fully the effect of any stock
split,  reverse split, stock dividend (including any dividend or distribution of
securities    convertible    into   Buyer   Common    Stock),    reorganization,
recapitalization  or other  like  change  with  respect to Buyer  Common  Stock,
occurring  after the date hereof and having a record date prior to the Effective
Time.

           (f) Fractional  Shares.  No fraction of a share of Buyer Common Stock
will be issued  by virtue of the  Merger,  but in lieu  thereof  each  holder of
shares of Seller Common Stock who would otherwise be entitled to a fraction of a
share of Buyer Common Stock (after  aggregating  all fractional  shares of Buyer
Common  Stock to be received by such  holder)  shall  receive  from the Buyer an
amount of cash (rounded to the nearest whole cent),  without  interest  thereon,
equal  to the  product  of (i) such  fraction,  multiplied  by (ii) the  Average
Closing  Price.  The "Average  Closing  Price" shall mean the average of the per
share  closing  prices of Buyer Common Stock as reported on the NYSE for the ten
trading days ending on and including the Effective Date.

<PAGE>

      1.7  Surrender of Certificates.

           (a) Exchange  Agent.  The Buyer shall select a bank or trust  company
reasonably  acceptable to the Seller, which may be the Buyer's existing transfer
agent, to act as the exchange agent (the "Exchange Agent") in the Merger.

           (b) The Buyer to Provide  Merger  Consideration.  Promptly  after the
Effective  Time,  the Buyer  shall  make  available  to the  Exchange  Agent for
exchange in accordance with this Article 1 certificates  for the shares of Buyer
Common Stock issuable, and cash payable,  pursuant to Section 1.6(a) in exchange
for outstanding  shares of Seller Common Stock and cash in an amount  sufficient
for payment in lieu of  fractional  shares  pursuant  to Section  1.6(f) and any
dividends or distributions to which holders of shares of Seller Common Stock may
be  entitled  pursuant  to  Section  1.7(d).  The shares of Buyer  Common  Stock
issuable  pursuant to Section  1.6(a) and the cash payable  pursuant to Sections
1.6(a) and (f) and Section  1.7(d) are referred to  collectively  as the "Merger
Consideration".

           (c) Exchange Procedures. Promptly after the Effective Time, the Buyer
shall  cause the  Exchange  Agent to mail to each  holder  of record  (as of the
Effective  Time) of a certificate  or  certificates  (the  "Certificates")  that
immediately prior to the Effective Time represented outstanding shares of Seller
Common  Stock whose shares were  converted  into the right to receive the Merger
Consideration  (i) a letter of  transmittal  (which shall  specify that delivery
shall be effected,  and risk of loss and title to the  Certificates  shall pass,
only upon  delivery of the  Certificates  to the Exchange  Agent and shall be in
such form and have such other  provisions as the Buyer may  reasonably  specify)
and (ii)  instructions  for effecting the exchange of the  Certificates  for the
Merger  Consideration.  Upon surrender of a Certificate for  cancellation to the
Exchange  Agent or to such  other  agent or  agents as may be  appointed  by the
Buyer,  together  with such letter of  transmittal  duly  completed  and validly
executed  in  accordance  with the  instructions  thereto,  the  holder  of such
Certificate  shall be  entitled  to  receive  in  exchange  therefor  the Merger
Consideration,  and the Certificate so surrendered  shall forthwith be canceled.
Until so surrendered, each outstanding Certificate will be deemed from and after
the Effective Time, for all corporate purposes,  subject to Section 1.7(d) as to
the payment of  dividends,  to evidence only the ownership of the number of full
shares of Buyer Common Stock and the  aggregate Per Share Cash Amount into which
such shares of Seller Common Stock shall have been so converted and the right to
receive an amount in cash in lieu of the  issuance of any  fractional  shares in
accordance  with  Section  1.6(f) and any  dividends  or  distributions  payable
pursuant to Section 1.7(d).

           (d) Distributions With Respect to Unexchanged Shares. No dividends or
other  distributions  declared  or made  after the date of this  Agreement  with
respect to Buyer Common Stock with a record date after the  Effective  Time will
be paid to the  holder of any  unsurrendered  Certificate  with  respect  to the
shares of Buyer Common Stock  represented  thereby until the holder of record of
such Certificate  shall surrender such  Certificate.  Subject to applicable law,
following  surrender  of any such  Certificate,  there shall be delivered to the
record holder  thereof  certificates  representing  whole shares of Buyer Common
Stock and the aggregate  Per Share Cash Amount  issuable and payable in exchange
therefor,  without  interest,  along with payments of the amount of dividends or
other distributions with a record date after the Effective Time then payable

<PAGE>

with  respect to such whole shares of Buyer Common Stock and cash in lieu of any
fractional shares in accordance with Section 1.6(f).

           (e) Transfers of Ownership.  If any  certificate  for shares of Buyer
Common Stock is to be issued in a name other than that in which the  Certificate
surrendered  in exchange  therefor is  registered  or if any of the other Merger
Consideration  is to be payable  to a person  other than the person to whom such
Certificate  is  registered,  it will be a condition of the issuance and payment
thereof  that  the  Certificate  so  surrendered  will  be  properly   endorsed,
accompanied  by any documents  required to evidence and effect such transfer and
otherwise  in proper  form for  transfer  and that the  person  requesting  such
exchange  will  have  paid  to the  Buyer  or  any  agent  designated  by it any
applicable  transfer  taxes  required by reason of the issuance of a certificate
for shares of Buyer Common  Stock in any name other than that of the  registered
holder  of the  Certificate  surrendered,  or shall  provide  evidence  that any
applicable transfer taxes have been paid.

           (f) No  Liability.  Notwithstanding  anything to the contrary in this
Section 1.7, neither the Exchange Agent,  the Buyer,  the Surviving  Corporation
nor any other party hereto shall be liable to a holder of shares of Buyer Common
Stock or Seller Common Stock for any amount  properly paid to a public  official
pursuant to any applicable abandoned property, escheat or similar law.

           (g)  Termination of Exchange  Agent.  Any Merger  Consideration  made
available to the Exchange  Agent  pursuant to Section  1.7(b) and not  exchanged
within six months after the Effective Time pursuant to this Section 1.7 shall be
returned by the Exchange Agent to Buyer,  which shall thereafter act as Exchange
Agent, and thereafter any holder of unsurrendered  Certificates  shall look as a
general creditor only to Buyer for payment of any funds to which such holder may
be due, subject to applicable law.

      1.8 No  Further  Ownership  Rights  in Seller  Common  Stock.  The  Merger
Consideration  issued and paid in exchange of shares of Seller  Common  Stock in
accordance with the terms hereof shall be deemed to have been issued and paid in
full  satisfaction  of all rights  pertaining  to such  shares of Seller  Common
Stock, and there shall be no further registration of transfers on the records of
the Surviving Corporation of shares of Seller Common Stock that were outstanding
immediately   prior  to  the  Effective  Time.  If  after  the  Effective  Time,
Certificates  are presented to the Surviving  Corporation  for any reason,  they
shall be canceled and exchanged as provided in this Article 1.

      1.9 Lost, Stolen or Destroyed Certificates.  In the event any Certificates
shall have been lost,  stolen or destroyed,  the Exchange Agent shall deliver in
exchange for such lost, stolen or destroyed Certificates,  upon the making of an
affidavit  of  that  fact  by the  holder  thereof,  the  Merger  Consideration;
provided,  however,  that the Buyer may,  in its  discretion  and as a condition
precedent to such delivery,  require the owner of such lost, stolen or destroyed
Certificates  to  deliver  a bond in such  sum as it may  reasonably  direct  as
indemnity  against any claim that may be made  against the Buyer or the Exchange
Agent with  respect  to the  Certificates  alleged to have been lost,  stolen or
destroyed.

<PAGE>

      1.10 Tax  Consequences.  It is  intended  by the  parties  hereto that the
Merger shall  constitute a  reorganization  within the meaning of Section 368 of
the Code. The parties hereto adopt this Agreement as a "plan of  reorganization"
within the meaning of Sections  1.368-2(g)  and  1.368-3(a) of the United States
Income Tax Regulations.

      1.11 Taking of Necessary Action; Further Action. If, at any time after the
Effective  Time,  any further  action is necessary or desirable to carry out the
purposes  of this  Agreement  and to vest the  Surviving  Corporation  with full
right, title and possession to all assets, property, rights, privileges,  powers
and  franchises  of the Seller and Merger Sub, the officers and directors of the
Seller  and  Merger  Sub are fully  authorized  in the name of their  respective
corporations  or otherwise to take, and will take, all such lawful and necessary
action, so long as such action is consistent with this Agreement.

                             Article 2
           REPRESENTATIONS AND WARRANTIES OF THE SELLER

      The Seller represents and warrants to the Buyer, subject to the exceptions
set forth in the  disclosure  schedule  supplied by the Seller to the Buyer (the
"Seller Disclosure Schedule"), as follows:

      2.1  Organization of the Seller.  The Seller and each of its  Subsidiaries
and joint  ventures (as defined  below) is a  corporation  or other legal entity
duly  organized,  validly  existing and in good  standing  under the laws of the
jurisdiction of its incorporation or organization,  has the requisite  corporate
or similar  power to own,  lease and  operate its  property  and to carry on its
business as now being  conducted,  and is duly  qualified  to do business and in
good  standing  as  a  foreign   corporation  or  other  legal  entity  in  each
jurisdiction  in  which  the  failure  to be so  qualified  would  have a Seller
Material  Adverse Effect (as defined below).  Included in the Seller  Disclosure
Schedule is a true and  complete  list of all of the Seller's  Subsidiaries  and
joint ventures,  together with the jurisdiction of incorporation or organization
of each Subsidiary and joint venture and the Seller's  equity interest  therein.
The Seller has delivered or made  available to the Buyer a true and correct copy
of the Restated  Articles of  Organization  and Bylaws of the Seller and similar
governing  instruments of each of its  Subsidiaries  and joint venture,  each as
amended to date. The minute books of the Seller and its  Subsidiaries  and joint
ventures made available to the Buyer are the only minute books of the Seller and
its  Subsidiaries  and joint  ventures,  and the  minutes  contain a  reasonably
accurate record of all actions taken in all meetings of directors (or committees
thereof)  and  stockholders  or  actions by written  consent.  The term  "Seller
Material  Adverse  Effect" means,  for purposes of this  Agreement,  any change,
event or effect that is materially  adverse to the business,  assets  (including
intangible  assets),  financial condition or results of operations of the Seller
and its Subsidiaries taken as a whole; provided,  however, that, for purposes of
Sections  6.3(a) and 7.1(i),  the following  shall not be deemed to constitute a
Seller Material Adverse Effect: (i) an adverse change in the business, financial
condition  or results of  operations  of the Seller  following  the date of this
Agreement  primarily  attributable  to the  transactions  contemplated  by  this
Agreement or the announcement thereof, circumstances or events affecting the gas
distribution  industry  generally or adverse weather conditions or (ii) the loss
of any officer or key employee of the Seller following the date of this

<PAGE>

Agreement.  "Subsidiary"  means,  with respect to any party,  any corporation or
other organization,  whether  incorporated or unincorporated,  of which (i) such
party or any other  Subsidiary  of such  party is a general  partner  (excluding
partnerships,  the general partnership  interests of which held by such party or
any  Subsidiary  of such party do not have a majority of the voting  interest in
such  partnership)  or (ii) at least 50% of the  securities  or other  interests
having by their terms ordinary  voting power to elect a majority of the Board of
Directors  or  others   performing   similar  functions  with  respect  to  such
corporation or other organization are directly or indirectly owned or controlled
by such  party or by any one or more of its  Subsidiaries,  or by such party and
one or more of its Subsidiaries.  The term "joint venture" of a party shall mean
any  corporation  or other entity  (including  partnerships  and other  business
associations) that is not a Subsidiary of such party, in which such party or one
or more of its Subsidiaries owns an equity interest, other than equity interests
held for passive investment purposes which are less than 10% of any class of the
outstanding voting securities or equity of any such entity.

      2.2  The Seller Capital Structure.

           (a) The authorized capital stock of the Seller consists of 15,000,000
shares of Common  Stock,  $3.33 par value,  of which,  as of September 30, 1998,
there were 8,845,315  shares issued and  outstanding  and no shares in treasury,
547,559  shares of Class A  Preferred  Stock,  $25 par value,  of which  100,000
shares have been designated as Series A-1 Junior  Participating  Preferred Stock
and none of which are  outstanding,  and  370,000  shares  of Class B  Preferred
Stock,  $1.00 par value,  none of which are  outstanding.  No shares of Seller's
capital  stock have been issued since that date except  shares of Seller  Common
Stock issued in the normal course and consistent with past practice  pursuant to
the Seller's  Dividend  Reinvestment and Common Stock Purchase Plan (the "Seller
Dividend  Reinvestment  Plan") or the Employee  Savings  Plan.  All  outstanding
shares of Seller Common Stock are duly  authorized,  validly issued,  fully paid
and  non-assessable and are not subject to preemptive rights created by statute,
the Restated  Articles of  Organization or Bylaws of the Seller or any agreement
or  document  to which  the  Seller  is a party or by which it is  bound.  As of
September 30, 1998,  an aggregate of 380,290  shares of Seller Common Stock were
reserved  for issuance  pursuant to the Seller  Dividend  Reinvestment  Plan and
Employee  Savings  Plan;  and  100,000  shares of  Seller's  Series  A-1  Junior
Participating  Preferred  Stock  were  reserved  for  issuance  under the Rights
Agreement  (the  "Rights  Agreement"),  dated as of December 1, 1993 between the
Seller and BankBoston,  N.A., as Rights Agent. All shares of Seller Common Stock
subject to  issuance as  aforesaid,  upon  issuance on the terms and  conditions
specified in the instruments pursuant to which they are issuable,  would be duly
authorized, validly issued, fully paid and nonassessable.

           (b) The Seller Disclosure  Schedule includes a true and complete list
of all outstanding rights,  subscriptions,  warrants,  calls, preemptive rights,
options or other  agreements  of any kind to purchase or otherwise  receive from
the Seller any shares of the capital stock or any other  security of the Seller,
and all outstanding  securities of any kind convertible into or exchangeable for
such securities.  True and complete copies of all instruments (or other forms of
such  instruments)  referred  to in this  Section  2.2(b)  have been  previously
furnished to the Buyer.  There are no  stockholder  agreements,  voting  trusts,
proxies or other agreements,  instruments or understandings  with respect to the
outstanding  shares of  capital  stock of the  Seller  to which the  Seller is a
party.

           (c) Except for  securities  the Seller owns  directly  or  indirectly
through one or more Subsidiaries, there are no equity securities of any class of
any Subsidiary of the Seller,  or any security  exchangeable or convertible into
or  exercisable  for such equity  securities,  issued,  reserved for issuance or
outstanding.

<PAGE>

      2.3  Authority.

           (a) The Seller has all  requisite  corporate  power and  authority to
enter  into this  Agreement  and to  consummate  the  transactions  contemplated
hereby. The execution and delivery of this Agreement and the consummation of the
transactions  contemplated  hereby have been duly  authorized  by all  necessary
corporate action on the part of the Seller, subject only to the approval of this
Agreement  and the Merger by the  Seller's  stockholders  and by the DTE and the
filing and recording of the Articles of Merger  pursuant to the MBCL and Chapter
164. This Agreement has been duly executed and delivered by the Seller. Assuming
the due authorization,  execution and delivery by the Buyer and, when it becomes
a party, Merger Sub, this Agreement constitutes the valid and binding obligation
of the Seller,  enforceable in accordance with its terms, subject to bankruptcy,
insolvency, fraudulent transfer, reorganization,  moratorium and similar laws of
general applicability  relating to or affecting creditors' rights and to general
principles of equity. The execution and delivery of this Agreement by the Seller
does not,  and the  performance  of this  Agreement  by the Seller will not, (i)
conflict with or violate the Restated  Articles of Organization or Bylaws of the
Seller or the equivalent  organizational  documents of any of its  Subsidiaries,
(ii) subject to obtaining  the  approval by the  Seller's  stockholders  of this
Agreement  as  contemplated  in Section  5.2 and of the DTE in  accordance  with
Chapter  164 and  compliance  with the other  requirements  set forth in Section
2.3(b)  below,  conflict  with or  violate  any law,  rule,  regulation,  order,
judgment or decree  applicable  to the Seller or any of its  Subsidiaries  or by
which its or any of their  respective  properties is bound,  or (iii) subject to
obtaining  any third party  consents  referred to in the final  sentence of this
Section  2.3(a),  result in any breach of or  constitute  a default (or an event
that with  notice or lapse of time or both  would  become a default)  under,  or
impair  the  rights of the  Seller  or any  Subsidiary  or alter  the  rights or
obligations  of any  third  party  under,  or  give  to  others  any  rights  of
termination,  amendment,  acceleration  or  cancellation  of,  or  result in the
creation  of a lien or  encumbrance  on any of the  properties  or assets of the
Seller  or any of its  Subsidiaries  pursuant  to,  any  note,  bond,  mortgage,
indenture,  contract,  agreement,  lease,  license,  permit,  franchise or other
instrument  or obligation  to which the Seller or any of its  Subsidiaries  is a
party or by which the Seller or any of its  Subsidiaries  or its or any of their
respective  properties  are bound or affected,  except,  with respect to clauses
(ii)  and  (iii),  for  any  such  conflicts,   violations,  defaults  or  other
occurrences  that would not have a Seller Material  Adverse  Effect.  The Seller
Disclosure  Schedule lists all consents,  waivers and approvals under any of the
Seller's or any of its Subsidiaries' agreements,  contracts,  licenses or leases
required to be obtained in connection with the  consummation of the transactions
contemplated  hereby,  except for those the  absence  of which  would not have a
Seller Material Adverse Effect.

           (b) No consent, approval, order or authorization of, or registration,
declaration  or filing with any court,  administrative  agency or  commission or
other   governmental  or  regulatory   body  or  authority  or   instrumentality
("Governmental  Entity")  is  required  by or  with  respect  to the  Seller  in
connection with the execution and delivery of this Agreement or the consummation
of the transactions contemplated hereby, except for (i) the filing of the

<PAGE>

Articles of Merger with the Secretary of the Commonwealth of Massachusetts, (ii)
the filing of the Proxy  Statement  (as defined in Section 2.18) with the United
States  Securities and Exchange  Commission  (the "SEC") in accordance  with the
Securities  Exchange Act of 1934,  as amended (the  "Exchange  Act"),  (iii) the
filing of a Current  Report on Form 8-K with the SEC,  (iv) the filing  with the
Antitrust  Division of the United States  Department of Justice (the  "Antitrust
Division") and the Federal Trade  Commission (the "FTC") of such forms as may be
required by the Hart-Scott-Rodino  Antitrust  Improvements Act of 1976 (the "HSR
Act") and the  termination  or  expiration  of all  applicable  waiting  periods
thereunder, (v) approval of the Merger and the related transactions contemplated
hereunder by DTE in accordance  with Chapter 164 and any required filing thereof
with the Secretary of the  Commonwealth,  (vi) the approval of the Merger by the
SEC pursuant  Section 9(a)(2) of the Public Utility Holding Company Act of 1935,
as amended ("PUHCA"), (vii) such consents,  approvals,  orders,  authorizations,
registrations,  declarations  and  filings as may be required  under  applicable
federal and state  securities  laws and the laws of any foreign country and with
respect to the transfer of the Seller's franchises to the Surviving  Corporation
and  (viii)  such  other  consents,   authorizations,   filings,  approvals  and
registrations  that, if not obtained or made,  would not have a Seller  Material
Adverse  Effect or a material  adverse  effect on the  ability of the parties to
consummate the Merger.

           (c) The Rights  Agreement has been amended to make it inapplicable to
the  Buyer's  acquisition  of Seller  Common  Stock  and the other  transactions
contemplated by and pursuant to this Agreement.

      2.4 Chapter 110F Not Applicable.  The Board of Directors of the Seller has
taken all  actions so that the  restrictions  contained  in Chapter  110F of the
Massachusetts General Laws applicable to a "business combination" (as defined in
Chapter 110F) will not apply to the  execution,  delivery or performance of this
Agreement  or to the  consummation  of the  Merger  or  the  other  transactions
contemplated by this Agreement.

      2.5  SEC Filings; the Seller Financial Statements.

           (a) The Seller has filed all forms, reports and documents required to
be filed with the SEC since January 1, 1993, and has made available to the Buyer
such  forms,  reports  and  documents  in the form filed with the SEC.  All such
required forms,  reports and documents (including those that the Seller may file
after the date hereof  until the  Closing) are referred to herein as the "Seller
SEC Reports." As of their  respective  dates, the Seller SEC Reports (i) were or
will be prepared in compliance in all material respects with the requirements of
the  Securities Act of 1933, as amended (the  "Securities  Act") or the Exchange
Act,  as the case may be, and the rules and  regulations  of the SEC  thereunder
applicable to such Seller SEC Reports,  and (ii) did not or will not at the time
they were or are filed (or if amended  or  superseded  by a filing  prior to the
Closing,  then on the date of such  filing)  contain any untrue  statement  of a
material fact or omit to state a material fact required to be stated  therein or
necessary  in  order  to  make  the  statements  therein,  in the  light  of the
circumstances  in which they were made,  not  misleading.  None of the  Seller's
Subsidiaries is required to file any forms,  reports or other documents with the
SEC.

           (b) Each of the consolidated financial statements (including, in each
case, any related notes thereto) contained in the Seller SEC Reports (the

<PAGE>

"Seller  Financials"),  including  any Seller SEC  Reports  filed after the date
hereof until the Closing, (i) complied or will comply as to form in all material
respects  with the  published  rules  and  regulations  of the SEC with  respect
thereto,  (ii) was or will be prepared in  accordance  with  generally  accepted
accounting  principles  ("GAAP")  applied on a consistent  basis  throughout the
periods  involved  (except as may be indicated  in the notes  thereto or, in the
case of unaudited interim financial  statements,  as may be permitted by the SEC
on Form 10-Q under the Exchange  Act) and (iii) fairly  presented or will fairly
present,  in all material respects,  the consolidated  financial position of the
Seller and its Subsidiaries at the respective dates thereof and the consolidated
results of its operations and cash flows for the periods  indicated,  consistent
with the books and records of the  Seller,  except  that the  unaudited  interim
financial  statements  were or are  subject  to normal  and  recurring  year-end
adjustments  which were not, or are not expected to be, material in amount.  The
balance sheet of the Seller  contained in the Seller's SEC Report as of June 30,
1998 is  hereinafter  referred  to as the  "Seller  Balance  Sheet."  Except  as
disclosed in the Seller  Disclosure  Schedule and except for  obligations  under
this  Agreement,  neither  the  Seller nor any of its  Subsidiaries  has (i) any
liabilities (absolute, accrued, contingent or otherwise) of a nature required to
be  disclosed  on a balance  sheet or in the related  notes to the  consolidated
financial statements prepared in accordance with GAAP which are, individually or
in the aggregate,  material to the business,  results of operations or financial
condition  of  the  Seller  and  its  Subsidiaries  taken  as  a  whole,  except
liabilities  (x) provided for in the Seller  Balance Sheet and the related notes
or (y)  incurred  since the date of the  Seller  Balance  Sheet in the  ordinary
course  of  business  consistent  with  past  practices,   nor  (ii)  any  other
liabilities reasonably likely to have a Seller Material Adverse Effect.

      2.6 Absence of Certain Changes or Events.  Since June 30, 1998,  there has
not occurred any Seller Material Adverse Effect and there has not been, occurred
or arisen any:

           (a)  transaction  by the  Seller  or its  Subsidiaries  except in the
ordinary course of business as conducted on the date of the Seller Balance Sheet
and consistent with past practices;

           (b) amendments or changes to the Restated Articles of Organization or
Bylaws of the Seller;

           (c)  individual  capital  expenditure  or  commitment,  or  series of
related capital  expenditure or commitments,  by the Seller or its  Subsidiaries
outside the ordinary course of business exceeding $250,000;

           (d)  destruction  of, damage to or loss of any assets material to the
business  of the Seller and its  Subsidiaries  taken as a whole  (whether or not
covered by insurance);

           (e)  material  adverse  change in a material  customer  relationship,
including  without  limitation any cancellation or termination or written notice
of cancellation or termination by any material customer of its relationship or a
material portion of its relationship  with the Seller or any of its Subsidiaries
or any material decrease in the usage or purchase of the products or services of
the Seller or any of its Subsidiaries by any such customer;

           (f) labor  trouble or claim of wrongful  discharge or other  unlawful
labor  practice or action that is  reasonably  likely to have a Seller  Material
Adverse Effect;

<PAGE>

           (g) material change in accounting methods or practices (including any
change in depreciation or amortization policies or rates) by the Seller;

           (h) material  revaluation by the Seller or its Subsidiaries of any of
its significant assets;

           (i)  declaration,  setting  aside or payment  of a dividend  or other
distribution with respect to the capital stock of the Seller (other than regular
quarterly dividends in accordance with past practice), or any direct or indirect
redemption,  purchase or other  acquisition  by the Seller of any of its capital
stock;

           (j) increase in the salary or other compensation payable or to become
payable to any of its  officers  or  directors  or,  other than in the  ordinary
course of business and consistent with past  practices,  any of its employees or
advisors,  or the  declaration,  payment or commitment or obligation of any kind
for the payment of a bonus or other  additional  salary or  compensation  to any
such person except as otherwise  contemplated  by this  Agreement and except for
increases,  payments or  commitments  in the  ordinary  course of  business  and
consistent with past practices;

           (k) sale, lease,  license or other disposition of any material assets
or properties of the Seller or its  Subsidiaries,  except in the ordinary course
of business;

           (l) amendment or termination of any material  contract,  agreement or
license to which the Seller or any of its Subsidiaries is a party or by which it
is bound except for  amendments in the ordinary  course of business that are not
reasonably  likely  to  have a  Seller  Material  Adverse  Effect  or  scheduled
expiration  pursuant to the terms of the contract,  agreement or license and not
as a result of any breach;

           (m) loan by the  Seller or any of its  Subsidiaries  to any person or
entity,  incurring by the Seller or any Subsidiary of any  indebtedness  (except
for indebtedness  incurred in the ordinary course under existing credit lines or
arrangements set forth in the Seller Disclosure  Schedule),  guaranteeing by the
Seller  or any  Subsidiary  of any  indebtedness,  issuance  or sale of any debt
securities  of the  Seller  or  any  Subsidiary  or  guaranteeing  of  any  debt
securities of others,  except in the ordinary  course of business and consistent
with past practices;

           (n) waiver or release of any material right or claim of the Seller or
any of its  Subsidiaries,  including  any  write-off or other  compromise of any
account  receivable of the Seller or any Subsidiary,  other than in the ordinary
course of business and consistent with past practices;

           (o) adoption, amendment,  modification or termination of any Plan (as
defined in Section 2.14) by the Seller or any of its Subsidiaries, or the taking
of any action with respect thereto;

           (p) regulatory decision by the DTE that would have a material adverse
impact on the Surviving Corporation; or

<PAGE>

           (q)  commitment,  understanding  or agreement by the Seller or any of
its  Subsidiaries  or any  officer or  employee  thereof to do any of the things
described in the preceding clauses (a) through (o) (other than this Agreement).

      2.7  Tax Matters.

           (a) The Seller and its  Subsidiaries  have filed all tax  reports and
returns  required to be filed by them and have paid or will timely pay all taxes
and other charges  shown as due on such reports and returns.  Neither the Seller
nor any of its  Subsidiaries  is  delinquent  in the payment of any material tax
assessment or other governmental charge (including without limitation applicable
withholding  taxes).  Any  provision for taxes  reflected in the Seller  Balance
Sheet is adequate for payment of any and all tax  liabilities for periods ending
on or before  June 30,  1998 and  there  are no tax  liens on any  assets of the
Seller or its Subsidiaries except for current taxes not yet due.

           (b)  There  has not been any  audit  of any tax  return  filed by the
Seller or any of its Subsidiaries for any period subsequent to 1995 and no audit
of any tax return filed by the Seller or any of its  Subsidiaries is in progress
and neither the Seller nor any Subsidiary has been notified by any tax authority
that any such  audit is  contemplated  or  pending.  No  extension  of time with
respect to any date on which a tax return was or is to be filed by the Seller or
any of its Subsidiaries is in force, and no waiver or agreement by the Seller or
any of its Subsidiaries is in force for the extension of time for the assessment
or payment of any tax. For purposes of this  Agreement,  the term "tax" includes
all federal,  state,  local and foreign taxes or assessments,  including income,
sales, gross receipts,  excise, use, value added, royalty,  franchise,  payroll,
withholding,  property and import taxes and any interest or penalties applicable
thereto.

           (c) Neither the Seller nor any of its  Subsidiaries has agreed to, or
is required to, make any adjustments  under Section 481(a) of the Code by reason
of a change in accounting method or otherwise.

           (d) Each  agreement,  contract or  arrangement to which the Seller or
any of its  Subsidiaries  is a  party  that  could  result,  on  account  of the
transactions  contemplated  hereunder,  separately or in the  aggregate,  in the
payment of any "excess parachute payments" within the meaning of Section 280G of
the Code is set forth in Section 2.7 of the Seller Disclosure Schedule.

      2.8  Regulation as a Utility.

           (a) The Seller is not a "holding company" under PUHCA.

           (b) The Seller is subject to regulation as a natural gas distribution
utility by the Commonwealth of Massachusetts.

           (c)  Neither  the Seller  nor any of its  Subsidiaries  is  currently
subject to  regulation by the Federal  Energy  Regulation  Commission  under the
Federal Power Act or as a "natural gas company"  under the Natural Gas Act or is
subject to regulation as a public utility or public service  company (or similar
designation)  by any state in the United States other than  Massachusetts  or in
any foreign country.

<PAGE>

      2.9  Title to Properties; Absence of Liens and Encumbrances.

           (a) The Seller and its Subsidiaries  have good and valid title to, or
have a valid and enforceable  right to use or a valid and enforceable  leasehold
interest in, all real  property  (including  all  buildings,  fixtures and other
improvements  thereto)  owned  by them  and  material  to the  conduct  of their
respective  businesses as such businesses are now being  conducted.  Neither the
Company's nor any of its Subsidiaries' ownership of or leasehold interest in any
such property is subject to any mortgage, pledge, lien, option, conditional sale
agreement,  encumbrance,  security  interest,  title exception or restriction or
claim or charge of any kind  ("Encumbrances"),  except for such  Encumbrances as
are set forth in the Seller Disclosure  Schedule or the Seller Financials or are
not in the aggregate reasonably likely to have a Seller Material Adverse Effect.
All such property is in condition and repair  adequate in all material  respects
for the continued  conduct of the business of the Seller and its Subsidiaries in
the manner in which it is  currently  conducted,  except to the extent  that the
condition of any property is not in the  aggregate  reasonably  likely to have a
Seller Material Adverse Effect.

           (b) The Seller and its Subsidiaries have good and valid title to, or,
in the case of leased properties and assets,  valid leasehold  interests in, all
of their tangible personal  properties and assets, used or held for use in their
business,  and such properties and assets,  as well as all other  properties and
assets of the Seller and its Subsidiaries,  whether tangible or intangible,  are
free and clear of any  Encumbrances,  except  for such  Encumbrances  as are set
forth in the Seller  Disclosure  Schedule or the Seller Financials or are not in
the aggregate  reasonably  likely to have a Seller Material Adverse Effect.  All
such property is in condition and repair  adequate in all material  respects for
the continued  conduct of the business of the Seller and its Subsidiaries in the
manner  in  which it is  currently  conducted,  except  to the  extent  that the
condition of any property is not in the  aggregate  reasonably  likely to have a
Seller Material Adverse Effect.

      2.10  Intellectual  Property.  The Seller and its Subsidiaries own, or are
licensed or otherwise possess legally  enforceable and otherwise adequate rights
to use, all patents, trademarks, trade names, service marks, copyrights, and any
applications  therefor,  schematics,  technology,  know-how,  computer  software
programs or applications,  and tangible or intangible proprietary information or
material that are required or  reasonably  necessary for the conduct of business
of the Seller or its Subsidiaries as currently  conducted,  the absence of which
would  have  a  Seller  Material  Adverse  Effect  (collectively,   the  "Seller
Intellectual  Property Rights").  All of the Seller Intellectual Property Rights
are owned or licensed by the Seller or one of its  Subsidiaries,  free and clear
of any and all Encumbrances, except for those Encumbrances under or set forth in
applicable  license  agreements  or  that  would  not,  individually  or in  the
aggregate,  have a Seller Material Adverse Effect,  and, to the knowledge of the
Seller,  neither  the  Seller  nor  any of its  Subsidiaries  has  forfeited  or
otherwise  relinquished any Seller Intellectual Property Rights which forfeiture
would have a Seller Material Adverse Effect. To the knowledge of the Seller, the
use  of  the  Seller  Intellectual   Property  Rights  by  the  Seller  and  its
Subsidiaries  does not, in any material respect,  conflict with,  infringe upon,
violate or interfere with or constitute an  appropriation  of any right,  title,
interest or goodwill (including,  without limitation,  any intellectual property
right,  trademark,  trade name,  patent,  service mark,  brand mark, brand name,
computer  program,  database,   industrial  design,  copyright  or  any  pending
application therefor) of any other person, and neither the Seller nor any of its

<PAGE>

Subsidiaries has received notice of any claim or otherwise knows that any of the
Seller  Intellectual  Property  Rights is invalid,  conflicts  with the asserted
rights of any other  person,  has not been used or  enforced or has failed to be
used or enforced in a manner that would result in the abandonment,  cancellation
or unenforceability of any of the Seller  Intellectual  Property Rights,  except
for  such   conflicts,   infringements,   violations,   interferences,   claims,
invalidity,  abandonments,  cancellations  or  unenforceability  that would not,
individually or in the aggregate, have a Seller Material Adverse Effect.

      2.11 Compliance; Permits; Restrictions.

           (a)  Neither  the Seller nor any of its  Subsidiaries  is in conflict
with,  or in default or  violation  of, (i) any law,  rule,  regulation,  order,
judgment or decree  applicable  to the Seller or any of its  Subsidiaries  or by
which its or any of their  respective  properties is bound or affected,  or (ii)
any note,  bond,  mortgage,  indenture,  contract,  agreement,  lease,  license,
permit,  franchise or other  instrument or obligation to which the Seller or any
of its Subsidiaries is a party or by which the Seller or any of its Subsidiaries
or its or any of their  respective  properties is bound or affected,  except for
any conflicts,  defaults or violations that are not reasonably  likely to have a
Seller Material Adverse Effect.

           (b) The  Seller  and its  Subsidiaries  hold all  consents,  permits,
licenses,   variances,   exemptions,  orders  and  approvals  from  governmental
authorities that are material to the operation of the business of the Seller and
its Subsidiaries  taken as a whole  (collectively,  the "Seller  Permits").  The
Seller  and its  Subsidiaries  are in  compliance  with the terms of the  Seller
Permits,  except where the failure to so comply is not reasonably likely to have
a Seller Material Adverse Effect.

      2.12  Litigation.  There is no action,  suit or  proceeding  of any nature
pending or to the Seller's knowledge threatened against the Seller or any of its
Subsidiaries,  or any of their respective properties,  officers or directors, in
their  respective  capacities as such (i) in which injunctive or other equitable
relief or  damages  in excess of  $250,000  are or are  reasonably  likely to be
sought  against the Seller or any  Subsidiary or that  otherwise are  reasonably
likely to result in a Seller Material  Adverse Effect or (ii) that in any manner
challenges or seeks to prevent,  enjoin,  alter or delay any of the transactions
contemplated  by  this  Agreement.  To  the  Seller's  knowledge,  there  is  no
investigation   pending  or  threatened   against  the  Seller  or  any  of  its
Subsidiaries, their respective properties or any of their respective officers or
directors by or before any Governmental Entity that is reasonably likely to have
a Seller Material Adverse Effect.

      2.13 Brokers' and Finders' Fees.  Except for fees payable to Salomon Smith
Barney and  disclosed  to the Buyer,  the Seller has not  incurred,  nor will it
incur,  directly or indirectly,  any liability for brokerage or finders' fees or
agents'  commissions or any similar charges in connection with this Agreement or
any transaction contemplated hereby.

      2.14 Employee Benefit Plans. The Seller  Disclosure  Schedule sets forth a
complete list of all pension, profit sharing, retirement, deferred compensation,
employment, welfare, insurance,  disability, bonus, vacation pay, severance pay,
fringe benefits and similar plans, programs, agreements or arrangements, whether
benefiting one or more individuals, including without limitation all employee

<PAGE>

benefit  plans as defined  in Section  3(3) of the  Employee  Retirement  Income
Security  Act of 1974,  as amended  ("ERISA"),  maintained  by the Seller or its
Subsidiaries  or to which Seller or any of its  Subsidiaries  are parties or are
required to contribute  (the "Plans").  Seller has delivered (or within five (5)
business days after the date hereof will deliver) to the Buyer current, accurate
and complete copies of (i) each Plan that has been reduced to writing,  together
with all amendments;  (ii) a summary of the material terms of each Plan that has
not been reduced to writing, as amended;  (iii) the summary plan description for
each Plan  subject to ERISA and,  in the case of each other  Plan,  any  similar
employee summary (including employee handbook description) of the Plan; (iv) for
each Plan intended to be qualified under Section 401(a) or Section  501(c)(9) of
the Code, the most recent determination letter or exemption determination issued
by the Internal Revenue Service ("IRS"); (v) for each Plan with respect to which
a Form 5500 series  annual  report is required  to be filed,  the most  recently
filed such  annual  report and the annual  report for the two  preceding  years,
together  with  all  schedules  and  exhibits;  (vi)  all  insurance  contracts,
administrative  services  contracts,  trust  agreements,  investment  management
agreements or similar agreements  maintained in connection with the Plans or any
of them; and (vii) copies of any correspondence  from the IRS, the Department of
Labor ("DOL") or other U.S. government agency or department relating to an audit
or an  asserted  or  assessed  penalty  with  respect to a Plan or  relating  to
requested relief from any liability or penalty  (including,  but not limited to,
any  correspondence  relating to the IRS's EPRSC,  VCR or CAP  programs,  or the
DOL's amnesty programs for late filers and non-filers). To the best knowledge of
the Seller,  no employee  benefit  handbook  or similar  employee  communication
relating to any Plan nor any written  communication  of benefits under such Plan
from the administrator thereof describes the terms of such Plan in a manner that
is materially  inconsistent  with the  documents  and summary plan  descriptions
relating  to such  Plan  that  have been  delivered  pursuant  to the  foregoing
sentence.  Since  January 1, 1992,  neither  the Seller nor any  Subsidiary  has
maintained or  contributed  to, or been  obligated to maintain or contribute to,
any "multiemployer  plan" as defined in Section 4001(a)(3) of ERISA. To the best
knowledge of the Seller,  neither the Seller nor any Subsidiary has incurred any
material  liability  under Sections 4062,  4063 or 4201 of ERISA.  No partial or
complete withdrawal occurring on or before, or deemed to occur on or before, the
Effective Time of any of Seller and its Subsidiaries from any multiemployer plan
to which any of them  contributes  or is required to contribute  could result in
any liability under Section 4201 of ERISA.  The immediately  preceding  sentence
shall be applied  without  regard to whether  any of Seller or its  Subsidiaries
could satisfy any or all required  prerequisites for withdrawing from such plan.
Each Plan  maintained  by the Seller or a  Subsidiary  which is  intended  to be
qualified under Section 401(a) or 501(c)(9) of the Code is so qualified. Without
limiting  the  generality  of the  immediately  preceding  sentence,  each  Plan
containing  an  account  described  in  Section  401(h)  of the  Code  has  been
maintained in  accordance  with Section  401(h) of the Code and the  limitations
described therein and in applicable regulations. Each Plan has been administered
in all  material  respects  in  accordance  with the  terms of such Plan and the
provisions of any and all statutes, orders or governmental rules or regulations,
including  without  limitation ERISA and the Code, and, to the best knowledge of
the Seller, nothing has been done or omitted to be done with respect to any Plan
that has resulted or is reasonably likely to result in any material liability on
the part of the Seller or a  Subsidiary  under Title I of ERISA or Chapter 43 of
the Code. All reports required to be filed with respect to all Plans,  including
without  limitation  Form 5500 series  annual  reports,  have been timely filed,
except where the failure to so file could not reasonably be expected to result

<PAGE>

in material fines or penalties. No "reportable event" as defined in Section 4043
of ERISA,  other than any such event for which the thirty-day  notice period has
been waived, has occurred with respect to any Plan subject to Title IV of ERISA.
Each Plan that is subject to Title IV of ERISA, other than a multiemployer plan,
could be terminated on or before the Effective  Time (without  regard to whether
any  of  Seller  or  its   Subsidiaries   could  satisfy  any  or  all  required
prerequisites for terminating such plan), in a "standard termination" as defined
in Section 4041(b) of ERISA without further  contribution  from any contributing
employer.  All claims for  welfare  benefits  incurred  by  employees  and their
eligible dependents on or before the Closing are or prior to the Closing will be
fully insured under fully paid up  third-party  insurance  policies.  Except for
continuation  of health  coverage to the extent  required under Section 4980B of
the Code or  applicable  state law or as otherwise  set forth in Section 2.14 of
the Seller Disclosure  Schedule,  no Plan that is a "Welfare Plan" as defined in
Section 3(1) of ERISA  provides for any benefits  following  retirement or other
termination of employment. Except for individual employment agreements specified
in Section  2.14 of the Seller  Disclosure  Schedule,  each Plan can be amended,
terminated or modified  prospectively  on and after the  Effective  Time without
advance notice to or consent by any employee,  former  employee or  beneficiary,
except as required by law.

      2.15 Employment Matters.

           (a) The Seller and each of its  Subsidiaries  (i) is in compliance in
all material  respects with all  applicable  foreign,  federal,  state and local
laws, rules and regulations respecting employment,  employment practices,  terms
and conditions of employment and wages and hours,  in each case, with respect to
employees;  (ii) has withheld all amounts  required by law or by agreement to be
withheld from the wages, salaries and other payments to employees;  (iii) is not
liable  for any  arrears  of wages or any taxes or any  penalty  for  failure to
comply with any of the foregoing;  and (iv) is not liable for any payment to any
trust or other fund or to any Governmental  Entity, with respect to unemployment
compensation  benefits,  social  security or other benefits or  obligations  for
employees  (other  than  routine  payments  to be made in the  normal  course of
business and consistent with past practice).

           (b) No work stoppage or labor strike against the Seller or any of its
Subsidiaries  is pending or, to the best  knowledge  of the Seller,  threatened.
Neither  the  Seller  nor any of its  Subsidiaries  is  involved  in or,  to the
knowledge of the Seller,  threatened  with,  any labor  dispute,  grievance,  or
litigation  relating to labor,  safety or  discrimination  matters involving any
employee,  including  without  limitation  charges of unfair labor  practices or
discrimination  complaints,  that,  if  adversely  determined,   would,  in  the
aggregate,  have a Seller Material Adverse Effect. Neither the Seller nor any of
its Subsidiaries has engaged in any unfair labor practices within the meaning of
the National  Labor  Relations  Act that would,  in the  aggregate,  directly or
indirectly have a Seller Material Adverse Effect.  Neither the Seller nor any of
its Subsidiaries is presently,  nor has it been in the past, a party to or bound
by any  collective  bargaining  agreement  or union  contract  with  respect  to
employees  other  than as set forth in the  Seller  Disclosure  Schedule  and no
collective  bargaining agreement is being negotiated by the Seller or any of its
Subsidiaries. No union organizing campaign or activity with respect to non-union
employees of the Seller or any of its  Subsidiaries  is ongoing,  pending or, to
the best knowledge of the Seller, threatened.

<PAGE>

      2.16 Environmental Matters.

           (a) Except as would not have a Seller  Material  Adverse  Effect,  no
material  amount of any substance that has been  designated by any  Governmental
Entity or by applicable federal, state or local law to be radioactive, hazardous
or otherwise to pose an unreasonable  danger to human health or the environment,
including  without  limitation  all  substances  listed as hazardous  substances
pursuant  to  the  Comprehensive  Environmental  Response,   Compensation,   and
Liability Act of 1980, as amended,  or defined as a hazardous  waste pursuant to
the United States  Resource  Conservation  and Recovery Act of 1976, as amended,
and the regulations promulgated pursuant to said laws, (a "Hazardous Material"),
but  excluding  office,  maintenance  and  janitorial  supplies  in  nonmaterial
amounts,  are  present  as a result of the  actions  of the Seller or any of its
Subsidiaries,  or,  to the best  knowledge  of the  Seller,  as a result  of any
actions of any third party or otherwise, in, on or under any property, including
the land and the improvements,  ground water and surface water thereof, that the
Seller or any of its Subsidiaries has at any time owned,  operated,  occupied or
leased.  The Seller  Disclosure  Schedule lists all locations that the Seller or
any  Subsidiary  formerly  owned or leased  where,  to the  Seller's  knowledge,
Hazardous  Materials  are  present  in a  volume  or  concentration  that  would
reasonably be expected to have a Seller Material Adverse Effect.
           (b) Except as would not have a Seller Material  Adverse  Effect,  (i)
neither  the  Seller nor any of its  Subsidiaries  has  generated,  transported,
stored,  used,  manufactured,  disposed of, released or exposed its employees or
others to Hazardous  Materials in violation  of, or in a manner which could give
rise to liabilities  under, any law in effect prior to or as of the date hereof,
nor (ii) has the Seller or any of its  Subsidiaries  disposed  of,  transported,
sold, or manufactured any product containing a Hazardous Material  (collectively
"Hazardous Materials Activities") in violation of any rule,  regulation,  treaty
or statute  promulgated by any  Governmental  Entity in effect prior to or as of
the date hereof to  prohibit,  regulate or control  Hazardous  Materials  or any
Hazardous Material Activity.

           (c) The Seller and its Subsidiaries  currently hold all environmental
approvals, permits, licenses, clearances and consents (the "Seller Environmental
Permits")  necessary  for the  conduct  of the  Seller's  and its  Subsidiaries'
Hazardous  Material  Activities  and  other  businesses  of the  Seller  and its
Subsidiaries as such  activities and businesses are currently  being  conducted,
except  where the  failure to so hold would not have a Seller  Material  Adverse
Effect.

           (d)  No  action,   proceeding,   revocation   proceeding,   amendment
procedure,  writ,  injunction or claim is pending, or to the Seller's knowledge,
threatened concerning any Seller Environmental Permit, Hazardous Material in, on
or under any  property  owned or leased at any time by the  Seller or any of its
Subsidiaries  or any  Hazardous  Materials  Activity of the Seller or any of its
Subsidiaries, in which injunctive or other equitable relief or damages in excess
of $250,000 are or are reasonably  likely to be sought against the Seller or any
Subsidiary or that otherwise would have a Seller Material Adverse Effect.

      2.17 Agreements,  Contracts and  Commitments.  Except as identified in the
Seller  Disclosure  Schedule or listed in the Exhibit Index to the Seller's Form

<PAGE>

10-K for the year ended  December  31,  1997 (the  "Seller  10-K"),  neither the
Seller nor any of its Subsidiaries is a party to or is bound by:

           (a) any  agreement,  contract or commitment  containing  any covenant
limiting the freedom of the Seller or any of its  Subsidiaries  to engage in any
line of business or compete with any person;

           (b)  any  agreement,  contract  or  commitment  relating  to  capital
expenditures  and  involving  future  obligations  in excess of $250,000 and not
cancelable without penalty;

           (c) any agreement, contract or commitment currently in force relating
to the  disposition  or  acquisition  of assets  not in the  ordinary  course of
business  or any  ownership  interest  in any  corporation,  partnership,  joint
venture or other  business  enterprise  (other  than the  Seller's  wholly-owned
subsidiaries);

           (d) any mortgages,  indentures, loans or credit agreements,  security
agreements  relating  to a  material  amount of assets  or other  agreements  or
instruments relating to the borrowing of money or extension of credit;

           (e) any other agreement, contract, commitment or lease which requires
annual  payments  by  the  Seller  or any of its  Subsidiaries  under  any  such
agreement,  contract,  commitment  or lease of $250,000 or more in the aggregate
and is not cancelable without penalty within thirty (30) days.

           (f) any  consulting  arrangements  and  contracts  for  professional,
advisory  and other  services  involving  payments of more than  $100,000 in any
year,  including  contracts  under  which the Seller or any of its  Subsidiaries
performs services for others;

           (g) any  material  contracts  relating to the source or supply of gas
and other raw  materials  essential to the conduct of the business of the Seller
or any of its Subsidiaries,  and any financial  derivatives  master  agreements,
confirmations, or futures account opening agreements and/or brokerage statements
evidencing  financial  hedging or other trading  activities  with respect to the
foregoing;

           (h)  any   contracts   relating   to  the   employment,   engagement,
compensation or termination of directors,  officers,  employees or agents of the
Seller or any of its  Subsidiaries  not  included  under  Plans (as  defined  in
Section 2.14);

           (i)  any union and other labor contracts;

           (j) any  agreement,  contract  or  instrument  (including  amendments
thereto) to which the Seller or any of its  Subsidiaries  is a party or by which
any of them is bound that is required to be included in the Seller 10-K; and

           (k) any other  material  contracts  made  other  than in the usual or
ordinary  course of business of the Seller or any of its  Subsidiaries  to which
the Seller or any of its  Subsidiaries  is a party or under  which the Seller or
any of its Subsidiaries is obligated.

<PAGE>

Neither the Seller nor any of its  Subsidiaries,  nor to the Seller's  knowledge
any other party to a Seller Contract (as defined below), has breached,  violated
or  defaulted  under,  or  received  notice  that it has  breached  violated  or
defaulted  under,  any of the  terms  or  conditions  of any of the  agreements,
contracts or  commitments to which the Seller or any Subsidiary is a party or by
which it is bound of the type  described  in clauses  (a) through (k) above (any
such agreement, contract or commitment, a "Seller Contract") in such a manner as
would permit any other party to cancel or terminate any such Seller Contract, or
would permit any other party to seek damages, in either case, which would have a
Seller Material Adverse Effect.

      2.18  Statements;  Proxy  Statement/Prospectus.   The  information  to  be
supplied by the Seller for inclusion in the  Registration  Statement on Form S-4
to be filed to register  under the  Securities  Act Buyer Common Stock  issuable
pursuant to Section 1.6 (the "Registration Statement") shall not at the time the
Registration Statement is filed with the SEC or at the time it becomes effective
under the  Securities  Act,  contain any untrue  statement of a material fact or
omit to state any material  fact  required to be stated  therein or necessary in
order to make the statements  therein, in light of the circumstances under which
they were made,  not  misleading.  The  information  supplied  by the Seller for
inclusion in the proxy  statement/prospectus  to be sent to the  stockholders of
the Seller in  connection  with the  meeting  of the  Seller's  stockholders  to
consider the approval of this  Agreement  (the "Seller  Stockholders'  Meeting")
and,  if  the  approval  of  the  Buyer's  stockholders  is  required,   to  the
stockholders  of the  Buyer  in  connection  with  the  meeting  of the  Buyer's
stockholders   to  consider   the  approval  of  this   Agreement   (the  "Buyer
Stockholders'   Meeting")  (such  proxy   statement/prospectus   as  amended  or
supplemented,  including any joint proxy statement, is referred to herein as the
"Proxy  Statement")  shall not, on the dates the Proxy Statement is first mailed
to the Seller's stockholders and the Buyer's stockholders and at the time of the
Seller Stockholders'  Meeting and the Buyer Stockholders'  Meeting,  contain any
untrue  statement of a material fact or omit to state any material fact required
to be stated  therein or necessary in order to make the statements  therein,  in
light of the  circumstances  under which they are made, not false or misleading,
or omit to state any material  fact  necessary  to correct any  statement in any
earlier written  communication  with respect to the  solicitation of proxies for
the Seller  Stockholders'  Meeting or the Buyer Stockholders'  Meeting which has
become  false or  misleading.  The Proxy  Statement  utilized by the Seller will
comply as to form in all material  respects with the  provisions of the Exchange
Act and the  rules  and  regulations  thereunder.  If at any  time  prior to the
Effective  Time,  any event  relating  to the  Seller or any of its  affiliates,
officers or  directors  should be  discovered  by the Seller which should be set
forth in an amendment to the Registration Statement or a supplement to the Proxy
Statement,  or which is required to be disclosed to the Seller's stockholders so
that the information made available to them in connection with electing the form
of Merger  Consideration is not false or misleading in any material respect, the
Seller shall  promptly  inform the Buyer.  Notwithstanding  the  foregoing,  the
Seller  makes no  representation  or warranty  with  respect to any  information
supplied by the Buyer or Merger Sub that is  contained  in any of the  foregoing
documents.

      2.19  Fairness  Opinion.  The Seller has  received an opinion from Salomon
Smith  Barney,  dated as of the date  hereof,  to the effect that as of the date
hereof,  the  consideration  to be received by the Seller's  stockholders in the
Merger is fair from a  financial  point of view and will  deliver to the Buyer a
copy of such written opinion.

<PAGE>

      2.20 Insurance. The Seller and each of its Subsidiaries are, and have been
continuously  since January 1, 1993, insured for a minimum amount of $15,000,000
against  such risks and losses as are  customary  in all  material  respects for
companies   conducting   the  business  as  conducted  by  the  Seller  and  its
Subsidiaries  during  such  time  period.  Neither  the  Seller  nor  any of its
Subsidiaries has received any notice of cancellation or termination with respect
to any material  insurance policy of the Seller or any of its Subsidiaries.  The
insurance  policies of the Seller and each of its Subsidiaries  are, to the best
of Seller's knowledge, valid and enforceable policies in all material respects.

      2.21 Year 2000. The Seller  Disclosure  Schedule  summarizes the status of
the  Seller's  assessment  of  third-party  service  providers  with  respect to
attempting  to ensure  that the  Seller's  computer  systems do not, or will not
following  modification thereof, be deficient with respect to formatting for the
problem  relating to computer  programs and systems  recognizing  dates that use
two-digit year data rather than  four-digit  year data (the "Year 2000 Problem")
and that such third-party  service  providers and the Seller's  computer systems
are, or will be following  modification thereof, in material compliance with all
regulations and trade organization  guidelines concerning the Year 2000 Problem.
The Seller has made available to the Buyer copies of all correspondence  between
the Seller and its third-party  service  providers  concerning Year 2000 Problem
compliance.  Except as set forth in the Seller Disclosure  Schedule,  the Seller
has no other contracts with, or commitments to, any third-party  with respect to
the Year  2000  Problem.  The  Seller  has not been  informed  by any  customer,
insurance  company  or  service  provider  with  which the  Seller or any of its
Subsidiaries  transacts  business of an  inability  to timely  remedy  their own
deficiencies  with  respect  to  the  Year  2000  Problem,  which  deficiencies,
individually or in the aggregate, would have a Seller Material Adverse Effect.

                             Article 3
            REPRESENTATIONS AND WARRANTIES OF THE BUYER

      The Buyer represents and warrants to the Seller, subject to the exceptions
set forth in the  disclosure  schedule  supplied by the Buyer to the Seller (the
"Buyer Disclosure Schedule"), as follows:

      3.1 Organization of the Buyer. The Buyer and each of its Subsidiaries is a
corporation or other legal entity duly organized,  validly  existing and in good
standing  under  the  laws  of  the   jurisdiction  of  its   incorporation   or
organization,  has the requisite  corporate or similar  power to own,  lease and
operate its property and to carry on its business as now being  conducted and as
proposed to be  conducted,  and is duly  qualified  to do  business  and in good
standing as a foreign  corporation or other legal entity in each jurisdiction in
which the failure to be so qualified would have a Buyer Material  Adverse Effect
(as defined below). The Buyer has delivered or made available a true and correct
copy of the  Declaration  of Trust and Bylaws of the  Buyer,  each as amended to
date,  to the Seller.  The term  "Buyer  Material  Adverse  Effect"  means,  for
purposes  of this  Agreement,  any change,  event or effect  that is  materially
adverse  to  the  business,  assets  (including  intangible  assets),  financial
condition or results of operations of the Buyer and its Subsidiaries  taken as a
whole; provided,  however, that, for purposes of Sections 6.2(a) and 7.1(j), the
following shall not be deemed to constitute a Buyer Material Adverse Effect":

<PAGE>

(i) an  adverse  change in the  business,  financial  condition,  or  results of
operations  of  the  Buyer  following  the  date  of  this  Agreement  primarily
attributable  to  the  transactions   contemplated  by  this  Agreement  or  the
announcement  thereof,  circumstances  or events  affecting the gas distribution
industry  generally  or  adverse  weather  conditions,  or (ii)  the loss of any
officer or key employee of the Seller following the date of this Agreement.

      3.2 The Buyer Capital Structure. The authorized capital stock of the Buyer
consists of 50,000,000  shares of Common Stock,  $1.00 par value, of which there
were  22,497,183  shares issued and  outstanding as of September 30, 1998. As of
the date hereof,  except for an  aggregate  of 2,146,383  shares of Buyer Common
Stock  reserved for issuance under various stock option and other stock plans of
the  Buyer,  there  is  no  outstanding  right,  subscription,   warrant,  call,
preemptive right, option or other agreement of any kind to purchase or otherwise
to receive from the Buyer any shares of the capital stock or any other  security
of the Buyer and there is no outstanding  security of any kind  convertible into
or exchangeable  for such capital stock.  Since September 30, 1998, no shares of
Buyer  Common  Stock have been issued  except  pursuant to the stock  option and
other stock plans of the Buyer. All outstanding shares of Buyer Common Stock are
duly authorized,  validly issued,  and fully paid and non-assessable and are not
subject to preemptive  rights  created by statute,  the  Declaration of Trust or
Bylaws of the Buyer or any  agreement  or document to which the Buyer is a party
or by which it is bound. All of the shares of Buyer Common Stock to be issued in
the  Merger  will be,  when  issued  in  accordance  with this  Agreement,  duly
authorized, validly issued, fully paid and nonassessable.

      3.3  Merger Sub.

           (a)  Merger Sub will,  when it is  incorporated,  be duly  organized,
validly  existing and in good standing as a Massachusetts  utility  corporation,
with the requisite  corporate  power to own,  lease and operate the property and
carry on the business as now being conducted by the Seller.

           (b) All of the  capital  stock  of  Merger  Sub  prior  to and at the
Effective  Time  will  be  duly  authorized,  validly  issued,  fully  paid  and
nonassessable and owned of record and beneficially by the Buyer.

           (c) Merger Sub shall be formed  solely for the purpose of engaging in
the  transactions  contemplated  by this  Agreement  and, prior to the Effective
Time, will not have engaged in any other business activities.

      3.4  Authority.

           (a) The Buyer has, and Merger Sub will have, all requisite  corporate
power  and  authority  to  enter  into  this  Agreement  and to  consummate  the
transactions  contemplated  hereby. The execution and delivery of this Agreement
and the consummation of the transactions  contemplated hereby have been and will
be duly  authorized by all necessary  corporate  action on the part of the Buyer
and Merger Sub, respectively,  subject only to the approval of the Merger by the
stockholders of the Buyer, if required,  and the DTE and filing and recording of
the Articles of Merger. This Agreement has been and will be duly executed and

<PAGE>

delivered  by the Buyer and Merger  Sub,  respectively,  and,  assuming  the due
authorization,  execution  and delivery of this  Agreement  by the Seller,  this
Agreement  constitutes and will  constitute the valid and binding  obligation of
the Buyer and Merger  Sub,  respectively,  enforceable  in  accordance  with its
terms, subject to bankruptcy,  insolvency, fraudulent transfer,  reorganization,
moratorium  and similar laws of general  applicability  relating to or affecting
creditors'  rights  and to  general  principles  of equity.  The  execution  and
delivery of this  Agreement by the Buyer and Merger Sub do not and will not, and
the  performance  of this  Agreement  by the Buyer and Merger Sub will not,  (i)
conflict  with or violate the charter or bylaws of the Buyer or Merger Sub, (ii)
subject to obtaining the approval of the DTE in accordance  with Chapter 164 and
compliance  with the other  requirements  set  forth in  Section  3.4(b)  below,
conflict with or violate any law, rule,  regulation,  order,  judgment or decree
applicable  to the  Buyer or any of its  Subsidiaries  or by which its or any of
their respective  properties is bound or affected, or (iii) subject to obtaining
the third  party  consents  referred to in the final  sentence  of this  Section
3.4(a),  result in any breach of or  constitute a default (or an event that with
notice or lapse of time or both  would  become a default)  under,  or impair the
Buyer's  rights or alter the rights or obligation  of any third party under,  or
give  to  others  any  rights  of   termination,   amendment,   acceleration  or
cancellation  of, or result in the creation of a lien or  encumbrance  on any of
the  properties or assets of the Buyer or any of its  Subsidiaries  pursuant to,
any note,  bond,  mortgage,  indenture,  contract,  agreement,  lease,  license,
permit, franchise or other instrument or obligation to which the Buyer or any of
its  Subsidiaries is a party or by which the Buyer or any of its Subsidiaries or
its or any of their respective  properties are bound or affected,  except,  with
respect to clauses (ii) and (iii), for any such conflicts,  violations, defaults
or other  occurrences that would not have a Buyer Material  Adverse Effect.  The
Buyer  Disclosure  Schedule lists all material  consents,  waivers and approvals
under any of the  Buyer's  or any of its  Subsidiaries'  agreements,  contracts,
licenses or leases required to be obtained in connection  with the  consummation
of the transactions  contemplated hereby,  except for those the absence of which
would not have a the Buyer Material Adverse Effect.

           (b) No consent, approval, order or authorization of, or registration,
declaration  or  filing  with any  Governmental  Entity is  required  by or with
respect to the Buyer or Merger Sub in connection with the execution and delivery
of this Agreement or the consummation of the transactions  contemplated  hereby,
except for (i) the filing and  effectiveness of the Registration  Statement with
the SEC in accordance  with the Securities  Act, (ii) the filing of the Articles
of Merger with the Secretary of the  Commonwealth  of  Massachusetts,  (iii) the
filing of a Current  Report on Form 8-K with the SEC,  (iv) the filing  with the
Antitrust  Division  and the FTC of such forms as may be required by the HSR Act
and the termination or expiration of all applicable waiting periods  thereunder,
(v) the listing of Buyer  Common Stock  issuable  pursuant to Section 1.6 on the
NYSE, the Pacific  Exchange and the Boston Stock Exchange,  (vi) the approval of
the Merger, the related transactions  contemplated hereunder and the issuance of
shares of capital stock of Merger Sub by the DTE and any required filing thereof
with the Secretary of the Commonwealth;  (vii) the approval of the Merger by the
SEC pursuant to Section (9)(a) (2) of PUHCA;  (viii) such  consents,  approvals,
orders,  authorizations,  registrations,  declarations  and  filings  as  may be
required under applicable  federal and state securities laws and the laws of any
foreign  country and with respect to the transfer of the Seller's  franchises to
the Surviving Corporation; and (ix) such other consents, authorizations,

<PAGE>

filings,  approvals and  registrations  that, if not obtained or made, would not
have a Buyer Material Adverse Effect or a material adverse effect on the ability
of the Buyer to consummate the Merger.

      3.5  SEC Filings; the Buyer Financial Statements.

           (a) The Buyer and its Subsidiaries have filed all forms,  reports and
documents required to be filed with the SEC since January 1, 1995, and have made
available to the Seller such forms, reports and documents in the form filed with
the SEC. All such required forms,  reports and documents  (including  those that
the Buyer or its  Subsidiaries may file after the date hereof until the Closing)
are referred to herein as the "Buyer SEC Reports." As of their respective dates,
the Buyer SEC Reports (i) were or will be prepared in compliance in all material
respects with the requirements of the Securities Act or the Exchange Act, as the
case may be, and the rules and  regulations of the SEC thereunder  applicable to
such Buyer SEC  Reports,  and (ii) did not and will not at the time they were or
are filed (or if amended  or  superseded  by a filing  prior to the date of this
Agreement,  then on the date of such filing)  contain any untrue  statement of a
material fact or omit to state a material fact required to be stated  therein or
necessary  in  order  to  make  the  statements  therein,  in the  light  of the
circumstances under which they were made, not misleading.

           (b) Each of the consolidated financial statements (including, in each
case, any related notes thereto)  contained in the Buyer SEC Reports (the "Buyer
Financials"),  including any Buyer SEC Reports filed after the date hereof until
the Closing,  (i)  complied or will comply as to form in all  material  respects
with the published rules and regulations of the SEC with respect  thereto,  (ii)
was or will be prepared in  accordance  with GAAP applied on a consistent  basis
throughout the periods involved (except as may be indicated in the notes thereto
or, in the case of unaudited interim financial  statements,  as may be permitted
by the SEC on Form 10-Q under the Exchange  Act) and (iii)  fairly  presented or
will fairly  present,  in all  material  respects,  the  consolidated  financial
position of the Buyer and its  Subsidiaries  as at the respective  dates thereof
and the  consolidated  results of its  operations and cash flows for the periods
indicated,  except that the unaudited interim  financial  statements were or are
subject to normal and recurring year-end  adjustments which were not, or are not
expected to be, material in amount.  The balance sheet of the Buyer contained in
the Buyer SEC  Reports as of June 30,  1998 is  hereinafter  referred  to as the
"Buyer Balance Sheet." Except as disclosed in the Buyer Disclosure  Schedule and
except for obligations  under this  Agreement,  neither the Buyer nor any of its
Subsidiaries has any liabilities (absolute, accrued, contingent or otherwise) of
a nature  required to be disclosed on a balance sheet or in the related notes to
the consolidated financial statements prepared in accordance with GAAP that are,
individually  or  in  the  aggregate,  material  to  the  business,  results  of
operations or financial  condition of the Buyer and its Subsidiaries  taken as a
whole,  except  liabilities  (i) provided for in the Buyer  Balance Sheet or the
related notes , (ii)  incurred  since the date of the Buyer Balance Sheet in the
ordinary course of business consistent with past practices, or (iii) incurred in
connection with the transactions contemplated hereby.

      3.6 Absence of Certain Changes and Events.  Since June 30, 1998, there has
not occurred any Buyer Material Adverse Effect and there has not been,  occurred
or arisen any:

<PAGE>

           (a)  material  damage,  destruction,  or  loss  to  the  business  or
properties of the Buyer and its  Subsidiaries  taken as a whole  (whether or not
covered by insurance);

           (b)  declaration,  setting aside, or payment of any dividend or other
distribution  in  respect of the  Buyer's  capital  stock  (other  than  regular
quarterly dividends in accordance with past practice), or any direct or indirect
redemption, purchase or any other acquisition of such stock;

           (c) change in the capital stock or in the number of shares or classes
of the Buyer's  authorized or outstanding  capital stock as described in Section
3.2; or

           (d) other event or condition known to the Buyer  adversely  affecting
the operations, assets or business of the Buyer or any of its Subsidiaries which
could reasonably be expected to have a Buyer Material Adverse Effect.

      3.7  Litigation.  There is no action,  suit,  proceeding or  investigation
pending or to the Buyer's knowledge,  threatened against the Buyer or any of its
Subsidiaries  that would  have a Buyer  Material  Adverse  Effect or that in any
manner  challenges  or  seeks to  prevent,  enjoin,  alter  or delay  any of the
transactions contemplated by this Agreement.

      3.8 Registration Statement;  Proxy  Statement/Prospectus.  The information
supplied by the Buyer for inclusion in the Registration Statement (as defined in
Section 2.18) shall not at the time the Registration Statement is filed with the
SEC and at the time it becomes  effective under the Securities Act,  contain any
untrue  statement of a material fact or omit to state any material fact required
to be stated  therein or necessary in order to make the statements  therein,  in
light of the  circumstances  under  which they were made,  not  misleading.  The
information  supplied by the Buyer for  inclusion  in the Proxy  Statement to be
sent  to  the   stockholders  of  the  Seller  in  connection  with  the  Seller
Stockholders'  Meeting  and,  if  required,  the  stockholders  of the  Buyer in
connection  with the  Buyer  Stockholders'  Meeting,  and the  information  made
available to the Seller's  stockholders  in connection with their election as to
the form of Merger Consideration,  shall not, on the date the Proxy Statement is
first mailed to the Seller's  stockholders  and the Buyer's  stockholders and at
the  time  of the  Seller  Stockholders'  Meeting  and the  Buyer  Stockholders'
Meeting,  as the case may be, and at the time such information is made available
to the Seller's  stockholders  in  connection  with such  election,  contain any
untrue  statement of a material fact or omit to state any material fact required
to be stated  therein or necessary in order to make the statements  therein,  in
light of the  circumstances  under which they are made, not false or misleading,
or omit to state any material  fact  necessary  to correct any  statement in any
earlier written  communication  with respect to the  solicitation of proxies for
the Seller Stockholders'  Meeting and the Buyer Stockholders'  Meeting which has
become false or misleading.  The Registration  Statement and the Proxy Statement
used  by the  Buyer  will  comply  as to  form  in all  material  respects  with
applicable provisions of the Securities Act and the Exchange Act,  respectively,
and the rules and regulations thereunder.  If at any time prior to the Effective
Time,  any event  relating  to the Buyer or any of its  affiliates,  officers or
directors  should  be  discovered  by the Buyer  that  should be set forth in an
amendment to the  Registration  Statement or a supplement to the Proxy Statement
or as part of the information made available to the Seller's stockholders, the

<PAGE>

Buyer shall promptly inform the Seller. Notwithstanding the foregoing, the Buyer
makes no representation or warranty with respect to any information  supplied by
the Seller that is contained in any of the foregoing documents.

      3.9  Compliance; Permits; Restrictions.

           (a)  Neither  the Buyer nor any of its  Subsidiaries  is in  conflict
with,  or in default or  violation  of, (i) any law,  rule,  regulation,  order,
judgment  or decree  applicable  to the Buyer or any of its  Subsidiaries  or by
which its or any of their  respective  properties is bound or affected,  or (ii)
any note,  bond,  mortgage,  indenture,  contract,  agreement,  lease,  license,
permit,  franchise or other  instrument or obligation to which the Seller or any
of its  Subsidiaries is a party or by which the Buyer or any of its Subsidiaries
or its or any of their  respective  properties is bound or affected,  except for
any  conflicts,  defaults  or  violations  that would not have a Buyer  Material
Adverse Effect.

           (b) The  Buyer  and its  Subsidiaries  hold  all  consents,  permits,
licenses,   variances,   exemptions,  orders  and  approvals  from  governmental
authorities  that are material to the operation of the business of the Buyer and
its Subsidiaries taken as a whole (collectively, the "Buyer Permits"). The Buyer
and its  Subsidiaries  are in  compliance  with the terms of the Buyer  Permits,
except  where the failure to so comply would not have a Buyer  Material  Adverse
Effect.

      3.10  Regulation as a Utility.  The Buyer is a holding company exempt from
registration under Section 3(a)(1) of the PUHCA.

      3.11  Ownership  of the  Seller  Common  Stock.  As of the  date  of  this
Agreement,  the Buyer does not  "beneficially  own" (as such term is defined for
purposes  of Section  13(d) of the  Exchange  Act) any  shares of Seller  Common
Stock.

                             Article 4
                CONDUCT PRIOR TO THE EFFECTIVE TIME

      4.1  Conduct of  Business  by the Seller and the Buyer.  During the period
from  the  date of this  Agreement  and  continuing  until  the  earlier  of the
termination of this  Agreement or the Effective  Time, the Seller (which for the
purposes  of  this  Article  4  shall   include  the  Seller  and  each  of  its
Subsidiaries)  and the Buyer  (which for the  purposes  of this  Article 4 shall
include the Buyer and each of its material  Subsidiaries)  agree,  except (i) in
the case of the  Seller  as  provided  in  Article  4 of the  Seller  Disclosure
Schedule  and in the case of the  Buyer as  provided  in  Article 4 of the Buyer
Disclosure Schedule,  (ii) as otherwise contemplated by this Agreement, or (iii)
to the extent that the other party shall otherwise consent in writing,  to carry
on its business  diligently and in accordance with good commercial  practice and
to carry on its business  operations in the usual,  regular and ordinary course,
in  substantially   the  same  manner  as  heretofore   conducted  and  use  its
commercially  reasonable  efforts consistent with past practices and policies to
preserve intact its present business  organization,  keep available the services
of its present  officers and  employees,  maintain its  properties and assets in
good  condition  and repair  and  preserve  its  relationships  with  customers,
suppliers, distributors, and others with which it has business dealings.

<PAGE>

      4.2 Certain Actions by the Seller.  In addition,  notwithstanding  Section
4.1 above,  without the prior written consent of the Buyer, the Seller shall not
do any of the following,  nor shall the Seller permit its Subsidiaries to do any
of the following:

           (a)  Enter into any partnership arrangements, joint
development agreements or strategic alliances;

           (b) Grant any severance or termination pay to any officer or employee
except  payments  pursuant  to  written  agreements  outstanding,   or  policies
existing,  on the date  hereof  and as  previously  disclosed  in writing to the
Buyer, or adopt any new severance plan;

           (c) Make any filings  with any  government  authority  regarding  its
rates or  charges,  standards  of  service,  accounting  matters or  services it
provides,  except  in the  ordinary  course  of  business  consistent  with past
practices or as required by law;

           (d) Declare or pay any  dividends on or make any other  distributions
(whether in cash,  stock or property) in respect of any capital  stock or split,
combine or  reclassify  any capital  stock or issue or authorize the issuance of
any  other  securities  in  respect  of, in lieu of or in  substitution  for any
capital stock,  other than the declaration and payment of regular quarterly cash
dividends on the Seller  Common Stock with record and payment  dates  consistent
with past  practice  and at rates not in  excess,  in any  fiscal  year,  of the
dividends  for the prior fiscal year  increased at a rate  consistent  with past
practice, and dividends payable by a Subsidiary to the Company;

           (e)  Repurchase or otherwise  acquire,  directly or  indirectly,  any
shares of capital stock;

           (f) Issue, deliver, sell, authorize or propose the issuance, delivery
or sale of, any shares of Seller  capital  stock or any  securities  convertible
into shares of Seller  capital  stock,  or  subscriptions,  rights,  warrants or
options to acquire  any shares of capital  stock or any  securities  convertible
into  shares  of  Seller  capital  stock,  or enter  into  other  agreements  or
commitments  of  any  character  obligating  it to  issue  any  such  shares  or
convertible  securities,  other  than the  issuance  in the  normal  course  and
consistent  with past practice of shares of Seller Common Stock under the Seller
Dividend Reinvestment Plan and Employee Savings Plan;

           (g) Cause,  permit or propose any amendments to its Restated Articles
of Organization or Bylaws;

           (h) Acquire or agree to acquire by merging or consolidating  with, or
by purchasing any equity interest in or a material  portion of the assets of, or
by any other manner, any business or any corporation,  partnership,  association
or other business  organization  or division  thereof,  or otherwise  acquire or
agree to acquire any material amount of operating assets;

           (i) Sell,  lease,  encumber or otherwise dispose of any properties or
assets that are material,  individually or in the aggregate,  to the business of
the Seller;

<PAGE>

           (j) Incur any  indebtedness  for borrowed  money (other than ordinary
course trade payables or pursuant to (i) existing credit  facilities  identified
in the Seller Disclosure Schedule in accordance with their existing terms in the
ordinary  course of  business  or (ii) the  Seller's  existing  Medium Term Note
Program to finance or refinance  capital  expenditures in the ordinary course of
business and in accordance  with the provisions of this  Agreement) or guarantee
any  such  indebtedness  (or  enter  any  other  guarantee,  keep-well,  capital
maintenance or other similar  agreement) or issue or sell any debt securities or
warrants or rights to acquire debt  securities  of the Seller or  guarantee  any
debt securities of others;

           (k) Adopt or amend any employee  benefit or stock  purchase or option
plan, or enter into any  employment  contract,  pay any special bonus or special
remuneration  to any  director,  officer  or  employee  other than  pursuant  to
existing agreements,  plans and arrangements identified in the Seller Disclosure
Schedule,  or increase  the  salaries or wage rates,  other than in the ordinary
course of business and  consistent in timing and amount with past practice or as
required by law, of its officers or employees;

           (l) Pay,  discharge  or satisfy any claim,  liability  or  obligation
(absolute, accrued, asserted or unasserted, contingent or otherwise), other than
payment, discharge or satisfaction in the ordinary course of business or amounts
less than $250,000;

           (m) Make any individual capital expenditure or commitment,  or series
of related capital  expenditures or commitments,  outside the ordinary course of
business, exceeding $250,000;

           (n) Become or  establish  a "holding  company"  within the meaning of
PUHCA; or

           (o)  Agree  in  writing  or  otherwise  to  take  any of the  actions
described in this Section 4.2.

                             Article 5
                       ADDITIONAL AGREEMENTS

      5.1 Proxy Statement/Prospectus;  Registration Statement; Other Filings. As
promptly as practicable  after the execution of this Agreement,  the Seller and,
to the extent the  approval  of its  stockholders  is  required,  the Buyer will
prepare and file with the SEC the Proxy  Statement,  and the Buyer will  prepare
and file with the SEC the  Registration  Statement in which the Proxy  Statement
will be included as a prospectus.  Each of the Seller and the Buyer will respond
to any  comments  of the  SEC  and  will  use  its  best  efforts  to  have  the
Registration  Statement  declared effective under the Securities Act as promptly
as practicable after such filing.  The Seller and, to the extent the approval of
its  stockholders  is required,  the Buyer will cause the Proxy  Statement to be
mailed to its stockholders at the earliest  practicable time,  provided that the
Seller may require  receipt of  confirmation as of the date of mailing the Proxy
Statement of the opinion of its financial  advisor  referred to in Section 2.19.
As promptly as practicable after the date of this Agreement, the Seller and the

<PAGE>

Buyer will prepare and file any other filings  required  under the Exchange Act,
the  Securities  Act or any other  Federal,  foreign  or state  securities  laws
relating to the Merger and the transactions  contemplated by this Agreement (the
"Other  Filings").  Each party will  notify the other  party  promptly  upon the
receipt of any comments  from the SEC or its staff and of any request by the SEC
or its staff or any other government  officials for amendments or supplements to
the  Registration  Statement,  the Proxy  Statement  or any Other  Filing or for
additional  information  and will  supply  the other  party  with  copies of all
correspondence  between  such  party or any of its  representatives,  on the one
hand, and the SEC or its staff or any other government  officials,  on the other
hand,  with respect to the  Registration  Statement,  the Proxy  Statement,  the
Merger or any Other Filing.  From and after the date of this Agreement until the
Effective  Time,  the Buyer and the Seller  shall file with the SEC when due all
reports  required to be filed  pursuant  to Section 13 or 15(d) of the  Exchange
Act,  and the Buyer  shall make  available  to the  Seller's  stockholders  such
information as may be required in connection  with their election as to the form
of Merger  Consideration.  Whenever  any event occurs that is required to be set
forth in an amendment or supplement  to the Proxy  Statement,  the  Registration
Statement  or  any  Other  Filing  or to  be  made  available  to  the  Seller's
stockholders in connection  with such election,  the Seller or the Buyer, as the
case may be,  will  promptly  inform  the  other  party of such  occurrence  and
cooperate in filing with the SEC or its staff or any other government officials,
and/or  mailing to  stockholders  of the Seller or the  Buyer,  such  amendment,
supplement  or   information.   The  Proxy   Statement  will  also  include  the
recommendations  of the Board of  Directors of the Seller and, to the extent the
approval of the Buyer's  stockholders  is required,  of the Board of Trustees of
the Buyer in favor of approval of this  Agreement  (except that the Board of the
Seller  or  the  Buyer  may  withdraw,   modify  or  refrain  from  making  such
recommendation  to the  extent  that the Board  determines  in good faith on the
advice  of  outside  legal  counsel  that the  Board's  fiduciary  duties  under
applicable law require it to do so).

      5.2  Meetings of Stockholders.

           (a) Promptly  after the date hereof,  the Seller will take all action
necessary in accordance with the MBCL,  Chapter 164 and its Restated Articles of
Organization and Bylaws to convene the Seller  Stockholders'  Meeting to be held
as  promptly  as  practicable,  and  in any  event  within  60  days  after  the
declaration of effectiveness of the Registration  Statement,  for the purpose of
considering the approval of this  Agreement.  Unless  otherwise  required by the
fiduciary  duties of the Seller's  Board of  Directors,  the Seller will use its
best efforts to solicit from its  stockholders  proxies in favor of the approval
of this  Agreement,  and will take all other  action  necessary  or advisable to
secure the vote or consent of its stockholders required to obtain such approval.

           (b) Promptly  after the date hereof,  to the extent that the approval
of its  stockholders  is required,  the Buyer will take all action  necessary in
accordance  with its listing  agreement with or the rules of the NYSE to convene
the Buyer  Stockholders'  Meeting to be held as promptly as practicable,  and in
any  event  within  60  days  after  the  declaration  of  effectiveness  of the
Registration  Statement,  for the  purpose of  considering  the  approval of the
issuance of the Buyer Common Stock to be issued in the Merger as contemplated by
this Agreement. Unless otherwise required by the fiduciary duties of the Buyer's
Board of Trustees, the Buyer will use its best efforts in connection with such

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Buyer Stockholders' Meeting to solicit from its stockholders proxies in favor of
the  approval of this  Agreement,  and will take all other  action  necessary or
advisable to secure the vote or consent of its  stockholders  required to obtain
such approval.

      5.3  Access to Information; Confidentiality.

           (a) Each  party  will  afford  the other  party and its  accountants,
counsel and other representatives reasonable access during normal business hours
to the  properties,  books,  records and personnel of the other party during the
period prior to the  Effective  Time to obtain all  information  concerning  the
business,  including  properties,  results of  operations  and personnel of such
party,  as the other party may reasonably  request.  No information or knowledge
obtained in any  investigation  pursuant  to this  Section 5.3 will affect or be
deemed to modify or waive any representation or warranty contained herein or the
conditions to the obligations of the parties to consummate the Merger.

           (b) The  parties  acknowledge  that the  Seller  and the  Buyer  have
previously  executed  a  Confidentiality  Agreement  dated  June 15,  1998  (the
"Confidentiality  Agreement"),  which Confidentiality Agreement will continue in
full force and effect in  accordance  with its terms,  except as is necessary to
comply with the terms of this Agreement.

      5.4  No Solicitation.

           (a) From and after the date of this  Agreement  until the  earlier of
the  Effective  Time  or  termination  of this  Agreement,  the  Seller  and its
Subsidiaries will not, and will instruct their respective  directors,  officers,
employees,  representatives,  investment bankers,  agents and affiliates not to,
directly or indirectly,  (i) solicit or knowingly  encourage  submission of, any
proposals or offers by any person, entity or group (other than the Buyer and its
affiliates, agents and representatives),  or (ii) participate in any discussions
or  negotiations  with, or disclose any  non-public  information  concerning the
Seller or any of its  Subsidiaries  to, or afford any access to the  properties,
books or  records  of the  Seller or any of its  Subsidiaries  to, or  otherwise
assist or  facilitate,  or enter into any agreement or  understanding  with, any
person,  entity or group  (other than the Buyer and its  affiliates,  agents and
representatives),  in connection with any  Acquisition  Proposal with respect to
the Seller. For the purposes of this Agreement,  an "Acquisition Proposal" means
(x) any  proposal  or offer  (other than one with or relating to the Buyer or an
affiliate  thereof)  relating  to  (i)  any  merger,   consolidation,   sale  of
substantial assets of the Seller or similar transactions involving the Seller or
any Subsidiary  (other than sales of assets or inventory in the ordinary  course
of business or permitted under the terms of this Agreement), (ii) sale of 20% or
more of the outstanding shares of capital stock of the Seller (including without
limitation  by way of a  tender  offer  or an  exchange  offer),  or  (iii)  the
acquisition  by any  person  of  beneficial  ownership  or a  right  to  acquire
beneficial  ownership  of, or the  formation  of any "group"  (as defined  under
Section 13(d) of the Exchange Act and the rules and regulations thereunder) that
beneficially owns, or has the right to acquire  beneficial  ownership of, 20% or
more of the then  outstanding  shares of capital stock of the Seller (except for
acquisitions for passive  investment  purposes only in  circumstances  where the
person or group qualifies for and files a Schedule 13G with respect thereto); or
(y) any public  announcement  of a proposal,  plan or intention to do any of the
foregoing or any agreement to engage in any of the foregoing. The Seller will

<PAGE>

immediately cease any and all existing  activities,  discussions or negotiations
with any parties  conducted  heretofore with respect to any of the foregoing and
will use reasonable efforts to obtain the return of any confidential information
furnished to any such Parties.  The Seller will (i) notify the Buyer promptly if
any inquiry or proposal is made or any  information  or access is  requested  in
connection with an Acquisition  Proposal or potential  Acquisition  Proposal and
(ii) promptly  notify the Buyer of the  applicable  terms and  conditions of any
such  Acquisition  Proposal  and of any  modification  thereof  or any  proposed
agreement.  In addition,  subject to the other  provisions  of this Section 5.4,
from and after the date of this  Agreement  until the  earlier of the  Effective
Time and termination of this  Agreement,  the Seller and its  Subsidiaries  will
not,  and  will  instruct  their  respective  directors,   officers,  employees,
representatives,  investment bankers,  agents and affiliates not to, directly or
indirectly,   make  or  authorize  any  public   statement,   recommendation  or
solicitation in support of any Acquisition  Proposal made by any person,  entity
or group (other than the Buyer);  provided,  however,  that nothing herein shall
prohibit  the  Seller's  Board of Directors  from taking and  disclosing  to the
Seller's  stockholders  a position  with respect to a tender  offer  pursuant to
Rules 14d-9 and 14e-2 promulgated under the Exchange Act or any other disclosure
required by law.

           (b) Notwithstanding the provisions of paragraph (a) above, the Seller
may,  to the extent the Board of  Directors  of the Seller  determines,  in good
faith,  based  upon the  advice  of  outside  legal  counsel,  that the  Board's
fiduciary  duties  under  applicable  law  require it to do so,  participate  in
discussions or negotiations  with, and, subject to the requirements of paragraph
(c) below, furnish information to any person, entity or group after such person,
entity or group has delivered to the Seller in writing an  Acquisition  Proposal
that the  Board  of  Directors  of the  Seller  determines,  would  result  in a
transaction more favorable to the stockholders of the Seller than the Merger. In
addition,  notwithstanding  the provisions of paragraph (a) above, in connection
with a possible  Acquisition  Proposal,  the Seller may refer any third party to
this Section 5.4 or make a copy of this Section 5.4  available to a third party.
In the event the Seller receives an Acquisition  Proposal,  nothing contained in
this  Agreement  (but  subject to the terms  hereof)  will  prevent the Board of
Directors  of  the  Seller  from  approving  such   Acquisition   Proposal,   or
recommending  such  Acquisition  Proposal to the Seller's  stockholders,  if the
Board  determines  in good  faith,  based on the  advice  of its  outside  legal
counsel,  that such action is required by its fiduciary  duties under applicable
law; in such case, the Board of Directors of the Seller may withdraw,  modify or
refrain  from  making  its  recommendation   concerning  the  approval  of  this
Agreement, provided that the Seller provides Buyer with at least two days' prior
notice  thereof,  during  which  time the Buyer may make,  and in such event the
Seller  shall in good faith  consider,  a  counterproposal  to such  Acquisition
Proposal.  Nothing in this  Section 5.4 shall (x) permit the Seller to terminate
this  Agreement  (except as  specifically  provided in Section 7.1 hereof),  (y)
permit the Seller to enter into any  agreement  with  respect to an  Acquisition
Proposal during the term of this Agreement (it being agreed that during the term
of this Agreement, the Seller shall not enter into any agreement with any person
that provides for, or in any way  facilitates,  an Acquisition  Proposal  (other
than a  confidentiality  agreement of the type referred to below)) or (z) affect
any other obligation of the Seller under this Agreement.

           (c) Notwithstanding anything to the contrary in this Section 5.4, the
Seller will not provide any  non-public  information to a third party unless (i)
the Seller provides such non-public information pursuant to a nondisclosure

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agreement with terms  comparable to the terms in the  Confidentiality  Agreement
and (ii) such  non-public  information  has  previously  been  delivered or made
available to the Buyer.

      5.5 Public  Disclosure.  The Buyer will consult  with the Seller,  and the
Seller  will  consult  the Buyer,  and each will get the  approval  of the other
(which will not be unreasonably  withheld or delayed),  before issuing any press
release or otherwise  making any public  statement with respect to the Merger or
this Agreement and will not issue any such press release or make any such public
statement prior to such consultation and approval,  except as may be required by
law or any listing agreement with or rule of a national securities exchange.

      5.6  Legal Requirements.

           (a)  Each of the  Buyer,  Merger  Sub and the  Seller  will  take all
reasonable  actions  necessary or desirable  to comply  promptly  with all legal
requirements that may be imposed on them with respect to the consummation of the
transactions   contemplated   by  this  Agreement   (including   furnishing  all
information  required  in  connection  with  approvals  of or  filings  with any
Governmental  Entity,  and prompt resolution of any litigation  prompted hereby)
and will promptly  cooperate  with and furnish  information  to any party hereto
necessary in connection with any such  requirements  imposed upon any of them or
their  respective  Subsidiaries  in  connection  with  the  consummation  of the
transactions contemplated by this Agreement. The Buyer will use its commercially
reasonable  efforts to take such steps as may be  necessary  to comply  with the
securities  and blue sky laws of all  jurisdictions  which are applicable to the
issuance  of  Buyer  Common  Stock  pursuant  hereto.  The  Seller  will use its
commercially  reasonable  efforts  to assist  the Buyer as may be  necessary  to
comply  with the  securities  and blue  sky laws of all  jurisdictions  that are
applicable  in  connection  with the  issuance of Buyer  Common  Stock  pursuant
hereto.

           (b) As soon as  practicable  after  execution of this Agreement or as
otherwise mutually agreed by the parties, each of the Buyer and the Seller shall
file with the Antitrust  Division and the FTC a premerger  notification form and
any supplemental  information  (other than privileged  information) which may be
requested in  connection  therewith  pursuant to the HSR Act,  which filings and
supplemental   information  will  comply  in  all  material  respects  with  the
requirements  of the HSR Act.  Each of the Buyer and the Seller shall  cooperate
fully with the other in  connection  with the  preparation  of such  filings and
shall  use  its  best  efforts  to  respond  to any  requests  for  supplemental
information  from  the  Antitrust  Division  or  the  FTC  and to  obtain  early
termination  of any waiting  period  applicable  to the Merger under the HSR Act
without any materially  burdensome  conditions or any  divestiture.  Filing fees
required to be paid in connection  with the premerger  notification  pursuant to
the HSR Act shall be borne and paid by the Buyer.

           (c) As soon as practicable after execution of this Agreement,  to the
extent applicable, the Buyer shall file with the SEC an application for approval
under Section 9(a)(2) of PUHCA and such other application and information (other
than  privileged  information)  which may be requested by the SEC in  connection
therewith  pursuant to PUHCA and the rules of the SEC thereunder,  which filings
and information  will comply in all material  respects with the  requirements of
PUHCA and such rules. The Buyer will diligently  prosecute such applications and
take such  actions  (excluding  any  obligations  to  register  as a  non-exempt
"holding company" under PUHCA other than as a result of any actions taken by the

<PAGE>

Buyer after the date of this Agreement except as contemplated by this Agreement)
as may reasonably be necessary to obtain the requisite SEC approval under PUHCA.

      5.7  Third  Party  Consents.  As soon as  practicable  following  the date
hereof,  each of the Seller and the Buyer will use its  commercially  reasonable
efforts to obtain all material consents,  waivers and approvals under any of its
or its  Subsidiaries'  agreements,  contracts,  licenses,  leases or  franchises
required to be obtained in connection with the  consummation of the transactions
contemplated hereby.

      5.8 Notification of Certain Matters.  The Buyer will give prompt notice to
the  Seller,  and the  Seller  will  give  prompt  notice to the  Buyer,  of the
occurrence,  or failure to occur, of any event,  which  occurrence or failure to
occur would be  reasonably  likely to cause (a) any  representation  or warranty
contained in this  Agreement to be untrue or inaccurate in any material  respect
at any time from the date of this  Agreement to the  Effective  Time, or (b) any
material failure of the Buyer and Merger Sub or the Seller,  as the case may be,
or of any  officer,  director,  employee  or agent  thereof,  to comply  with or
satisfy any covenant, condition or agreement to be complied with or satisfied by
it under this Agreement.  Notwithstanding  the above, the delivery of any notice
pursuant  to this  section  will not  limit or  otherwise  affect  the  remedies
available hereunder to the party receiving such notice or the conditions to such
party's obligation to consummate the Merger.

      5.9 Best Efforts and Further Assurances.  Subject to the respective rights
and  obligations of the Buyer and the Seller under this  Agreement,  each of the
parties to this  Agreement  will and the Buyer will cause Merger Sub to, use its
best efforts to effectuate  the Merger and the other  transactions  contemplated
hereby and to fulfill and cause to be fulfilled the  conditions to closing under
this Agreement.  Each party hereto,  at the reasonable  request of another party
hereto,  will,  and the Buyer will cause Merger Sub to, execute and deliver such
other  instruments  and do and  perform  such  other  acts and  things as may be
necessary  or  desirable  for  effecting  completely  the  consummation  of  the
transactions contemplated hereby. Notwithstanding the foregoing, nothing in this
Agreement  shall  require  the  Buyer  to  agree  to any  materially  burdensome
condition or any  divestiture  in order to obtain any  clearance  for the Merger
under the HSR Act or in connection with any other regulatory order or approval.

      5.10 The Seller Employee Plans; Employment Matters.

           (a) For a period of one year after the Effective Time, and subject to
applicable law, the Buyer shall provide to the employees in the aggregate of the
Buyer and its  Subsidiaries  who were  formerly  employees of the Seller and its
Subsidiaries  employee benefits that are no less favorable in the aggregate than
those provided  under the Seller's Plans (as defined in Section 2.14)  disclosed
in the Seller  Disclosure  Schedule as in effect on the Closing  Date,  provided
that, from and after the Effective Time, the employee  benefits  provided to the
employees of the Buyer and its Subsidiaries  who were formerly  employees of the
Seller  and its  Subsidiaries  shall  be no less  favorable  than  the  employee
benefits  provided  from  time to time by the  Buyer or its  Subsidiary  for its
similarly situated employees. Such employee benefits shall be without limitation
for  preexisting   conditions  other  than  any  such  condition  or  limitation
(including without limitation preexisting condition exclusions, waiting periods,

<PAGE>

actively-at-work requirements and other similar exclusions and conditions) as to
which the relevant corresponding Plan of the Seller or its Subsidiaries provided
only a conditional  waiver and as to which the employee (or his or her spouse or
dependents) had not, as of the Closing Date,  satisfied the relevant  conditions
for such waiver. From and after the Effective Time, in the case of each employee
benefit plan (a "Buyer Plan") of the Buyer or its Subsidiaries  which determines
an  individual's  eligibility  to become a  participant  in the  Buyer  Plan (an
"eligibility requirement") or the extent of a participant's nonforfeitable right
to benefits otherwise accrued under the Buyer Plan (a "vesting  requirement") by
reference  to  service  for the Buyer  and its  Subsidiaries,  the Buyer  Plan's
eligibility and vesting requirements shall be applied to the extent permitted by
law by taking into  account for each  employee of the Buyer or its  Subsidiaries
who was an employee of the Seller or its Subsidiaries  immediately  prior to the
Effective Time such service of such employee for the Seller or its  Subsidiaries
prior to the  Effective  Time as would have been taken into account for purposes
of the Buyer Plan's  eligibility and vesting  requirements had such service been
for the Buyer and its Subsidiaries.  This Section 5.10(a) shall not apply to the
employees of the Buyer and its Subsidiaries  who were formerly  employees of the
Seller and its  Subsidiaries  and whose terms and  conditions of employment  are
governed by a collective bargaining agreement.

           (b) The Buyer agrees to honor from the  Effective  Time in accordance
with their terms (i) all Plans, (ii) all collective bargaining agreements, (iii)
all contracts,  arrangements or commitments  with or for the benefit of officers
and employees  disclosed in the Seller Disclosure Schedule and (iv) all benefits
vested thereunder as of the Effective Time; provided,  however,  that nothing in
this sentence shall be  interpreted as preventing the Buyer or its  Subsidiaries
from amending, modifying or terminating any such Plans, contracts,  arrangements
or commitments in accordance with their terms.

           (c) The Buyer will offer  employment  arrangements to the officers of
the Seller and its  Subsidiaries and otherwise honor the provisions as set forth
in a memorandum  entitled "Proposed Plan for Colonial's  Officers and Employees"
dated October 14, 1998 furnished by the Buyer to the Seller.

           (d) The  Seller and the Buyer  agree to  coordinate  their  executive
incentive plans in order to assure that the officers and employees of the Seller
and  its  Subsidiaries   entitled  to  participate  in  the  Seller's  Executive
Performance and Equity Incentive Plan receive on an equitable basis the benefits
provided  under such plan for the portion of the year in which the Merger occurs
during which they were officers or employees of the Seller or its Subsidiaries.

      5.11 Indemnification; D&O Insurance.

           (a) In the event of any  threatened  or actual claim,  action,  suit,
proceeding  or  investigation,   whether  civil,   criminal  or  administrative,
including  without  limitation  any such  claim,  action,  suit,  proceeding  or
investigation  in which any person who is now,  or has been at any time prior to
the date of this  Agreement,  or who  become  prior  to the  Effective  Time,  a
director or officer of the Seller or any of its Subsidiaries  (the  "Indemnified
Parties") is, or is threatened to be, made a party based in whole or in part on,
or arising in whole or in part out of, or  pertaining to (i) the fact that he is
or was a director or officer of the Seller,  any of its  Subsidiaries  or any of
their respective predecessors or (ii) this Agreement or any of the transactions

<PAGE>

contemplated hereby, whether in any case asserted or arising before or after the
Effective Time, the parties hereto agree to cooperate and use their best efforts
to defend  against and respond  thereto.  It is understood and agreed that after
the Effective Time, the Buyer shall  indemnify and hold harmless,  as and to the
fullest  extent  permitted  by law and the charter  and by-laws of the  relevant
entity,  each such  Indemnified  Party  against  any  losses,  claims,  damages,
liabilities,  costs, expenses (including reasonable attorney's fees and expenses
in  advance  of  the  final  disposition  of  any  claim,  suit,  proceeding  or
investigation to each  Indemnified  Party to the fullest extent permitted by law
upon receipt of any undertaking  required by applicable law),  judgments,  fines
and amounts paid in settlement in connection  with any such threatened or actual
claim,  action,  suit,  proceeding  or  investigation.  In the event of any such
threatened or actual claim, action, suit,  proceeding or investigation  (whether
asserted or arising before or after the Effective Time), the Indemnified Parties
may retain counsel  reasonably  satisfactory to them after consultation with the
Buyer; provided,  however, that (i) the Buyer shall have the right to assume the
defense  thereof and upon such  assumption  the Buyer shall not be liable to any
Indemnified  Party in connection  with the defense  thereof,  except that if the
Buyer elects not to assume such defense or counsel for the  Indemnified  Parties
reasonably  advises the  Indemnified  Parties  that there are issues which raise
conflicts  of  interest  between  the Buyer  and the  Indemnified  Parties,  the
Indemnified  Parties may retain counsel  reasonably  satisfactory  to them after
consultation  with the Buyer,  and the Buyer shall pay the  reasonable  fees and
expenses of such counsel for the  Indemnified  Parties,  (ii) the Buyer shall be
obligated  pursuant  to this  paragraph  to pay for  only  one  counsel  for all
Indemnified  Parties,  (iii) the Buyer  shall not be liable  for any  settlement
effected  without  its  prior  written  consent  (which  consent  shall  not  be
unreasonably  withheld) and (iv) the Buyer shall have no obligation hereunder to
any  Indemnified  Party  when and if a court  of  competent  jurisdiction  shall
ultimately  determine,  and such  determination  shall  have  become  final  and
nonappealable,  that  indemnification  of such  Indemnified  Party in the manner
contemplated  hereby is  prohibited  by applicable  law. Any  Indemnified  Party
wishing to claim  indemnification  under this Section 5.11 upon  learning of any
such claim,  action,  suit,  proceeding or investigation  shall notify the Buyer
thereof, provided that the failure to so notify shall not affect the obligations
of the Buyer under this Section 5.11 except to the extent such failure to notify
materially  prejudices the Buyer.  The Seller's  obligations  under this Section
5.11 shall  continue in full force and effect for a period of six (6) years from
the Effective Time,  provided,  however,  that all rights to  indemnification in
respect of any claim  asserted or made within such period shall  continue  until
the final disposition of such claim.

           (b) From and after the Effective Time, the Surviving Corporation will
fulfill and honor in all respects the indemnification  obligations of the Seller
pursuant to the  provisions  of the Restated  Articles of  Organization  and the
Bylaws of the Seller as in effect immediately prior to the Effective Time.

           (c) For a period of six (6) years after the Effective Time, the Buyer
shall cause the Surviving  Corporation  to maintain (to the extent  available in
the market) in effect a directors'  and  officers'  liability  insurance  policy
covering those persons who are currently covered by the Seller's  directors' and
officers'  liability  insurance  policy  (a copy of which  has  been  heretofore
delivered to the Buyer) with  coverage in amount and scope at least as favorable
as  the  Seller's  existing  coverage  (which  coverage  may  be an  endorsement
extending the period in which claims may be made under such existing policy);

<PAGE>

provided  that in no event  shall  the  Buyer or the  Surviving  Corporation  be
required to expend per year under this Section 5.11(c) more than an aggregate of
150% of the  current  annual  premium  expended  by the Seller to  provide  such
coverage.

           (d) In the event the Buyer or any of its  successors  or assigns  (i)
consolidates  with  or  merges  into  any  other  person  and  shall  not be the
continuing or surviving corporation or entity of such consolidation or merger or
(ii) transfer or conveys all or  substantially  all of its assets to any person,
then, and in each such case, to the extent necessary,  proper provision shall be
made so that the successors and assigns of the Buyer assume the  obligations set
forth in this Section 5.11.

           (e) The  provisions  of this  Section 5.11 are intended to be for the
benefit of, and shall be enforceable by, each  Indemnified  Party and his or her
heirs and  representatives,  and nothing herein shall affect any indemnification
rights that any Indemnified Party and his or her heirs and  representatives  may
have under the Bylaws of the Seller or any of its Subsidiaries,  any contract or
applicable law.

      5.12 Tax-Free  Reorganization.  The Buyer and the Seller will each use its
best  efforts to cause the Merger to be treated as a  reorganization  within the
meaning of Section 368 of the Code,  and neither party will take any action that
would cause the Merger to fail to qualify as a reorganization within the meaning
of Section  368(a) of the Code.  Each of the parties shall report the Merger for
income tax purposes as a reorganization  within the meaning of Section 368(a) of
the Code  (and any  comparable  state or local tax  statute).  The Buyer and the
Seller will each make  available to the other party and their  respective  legal
counsel  copies of all tax returns as may be requested by the other party.  Each
of the Buyer and the  Seller  will make and will use its best  efforts to obtain
from its affiliates such reasonable representations as may be requested by legal
counsel  for the  purpose of  rendering  the  opinions  contemplated  by Section
6.1(f).

      5.13 Listing.  The Buyer shall use its best efforts to cause the shares of
Buyer  Common Stock to be issued in the Merger to be approved for listing on the
NYSE, the Pacific  Exchange and the Boston Stock Exchange prior to the Effective
Time.

      5.14 The Seller  Affiliate  Agreement.  Set forth on  Section  5.14 of the
Seller  Disclosure  Schedule is a list of those persons who may be deemed to be,
in the Seller's reasonable judgment, affiliates of the Seller within the meaning
of Rule 145 under the Securities Act (each,  a "Seller  Affiliate").  The Seller
will  provide  the  Buyer  with  such  information  and  documents  as the Buyer
reasonably  requests for purposes of  reviewing  such list.  The Seller will use
reasonable  commercial  efforts to deliver or cause to be delivered to the Buyer
promptly after the date hereof from each Seller Affiliate an executed  affiliate
agreement in  substantially  the form attached  hereto as Exhibit A (the "Seller
Affiliate  Agreement").  The Buyer will be entitled to place appropriate legends
on the certificates evidencing any Buyer Common Stock to be received by a Seller
Affiliate pursuant to the terms of this Agreement, and to issue appropriate stop
transfer  instructions to the transfer agent for Buyer Common Stock,  consistent
with the terms of the Seller Affiliate Agreement.

<PAGE>

      5.15  Representation  on Buyer Board.  The Buyer shall take such action as
may be necessary to cause the number of Trustees comprising the Buyer's Board of
Trustees at the  Effective  Time to be  sufficient to permit one director of the
Seller to serve thereon and shall elect as a Trustee F.L. Putnam, Jr. or another
director of the Seller designated by the Board of Directors of the Seller who is
reasonably satisfactory to the Buyer. The Buyer shall, as of the Effective Time,
appoint  such  director to serve on the  Buyer's  Board for a term ending at the
2002 Annual Meeting of Shareholders of the Buyer.

      5.16 Dividend  Record Date. The Seller agrees to coordinate with the Buyer
in  establishing  the record date for the payment of any dividends on the Seller
Common  Stock in order to assure  that the  holders  of record of Seller  Common
Stock (i) are  entitled to receive a dividend on either  Seller  Common Stock or
Buyer  Common  Stock  received in the Merger in the quarter in which the Closing
occurs,  and (ii) are not  entitled to receive a dividend on both Seller  Common
Stock and Buyer Common Stock  received in the Merger in the quarter in which the
Closing occurs.

                             Article 6

<PAGE>



                     CONDITIONS TO THE MERGER

      6.1  Conditions  to  Obligations  of Each Party to Effect the Merger.  The
respective  obligations  of each  party to this  Agreement  to effect the Merger
shall be subject to the satisfaction or waiver at or prior to the Effective Time
of the following conditions:

           (a) Stockholder Approval.  This Agreement shall have been approved by
the requisite vote under the Seller's,  the Buyer's and Merger Sub's charter and
bylaws,  the MBCL, Chapter 164 and the rules and regulations of the NYSE, as and
to the extent required.

           (b) DTE Approval.  The Merger, the related transactions  contemplated
hereunder,  and the  related  rate  plan  shall  have been  approved  by the DTE
pursuant to Chapter  164 (i) on terms and  conditions  which are not  materially
inconsistent  with the  principles  set forth by the DTE in its  approval of the
merger  plan and  related  rate plan in  Eastern  Enterprises/Essex  County  Gas
Company, D.T.E. 98-27, order dated September 17, 1998, and D.T.E. 98-27-A, order
dated  September  25,  1998,  as such  orders  are in effect on the date of this
Agreement,  pertaining to the recovery of costs,  including  without  limitation
transaction, premium and integration costs, associated with the Merger, and (ii)
without terms and conditions that would otherwise have a material adverse effect
(determined  after  giving  effect to the  related  rate plan) on the  business,
assets (including intangible assets), prospects,  financial condition or results
of operations of (x) the Surviving Corporation or (y) the other gas distribution
Subsidiaries  of the Buyer taken as a whole,  and such approval  shall be final,
nonappealable and not under appeal..

           (c) Registration Statement Effective. The SEC shall have declared the
Registration Statement effective, and no stop order suspending the effectiveness
of the Registration  Statement or any part thereof shall have been issued and no
proceeding for that purpose,  and no similar  proceeding in respect of the Proxy
Statement, shall have been initiated or threatened in writing by the SEC.

           (d) PUHCA  Approval.  The  requisite  approval of the SEC under PUHCA
shall  have  been  obtained  on terms  and  conditions  that are not  materially
burdensome to the Buyer,  including without  limitation any requirement that the
Buyer  register as a non-exempt  "holding  company" under PUHCA (other than as a
result of actions taken by the Buyer after the date of this Agreement  except as
contemplated by this Agreement).

           (e) No Order.  No  Governmental  Entity shall have  enacted,  issued,
promulgated, enforced or entered any statute, rule, regulation, executive order,
decree, injunction or other order (whether temporary,  preliminary or permanent)
which is in effect  and which has the  effect  of  making  the  Merger  illegal,
otherwise  prohibiting  consummation of the Merger or having a material  adverse
effect on the Merger.

           (f) Tax  Opinions.  The Buyer and the Seller shall each have received
substantially  identical  written opinions from their counsel,  Ropes & Gray and
Palmer & Dodge LLP, respectively, in form and substance reasonably satisfactory

<PAGE>

to them, to the effect that the Merger will constitute a  reorganization  within
the  meaning  of Section  368(a) of the Code;  provided  that if the  respective
counsel to the Buyer or the Seller does not render such opinion,  this condition
shall  nonetheless be deemed  satisfied with respect to such party if counsel to
the other party renders such opinion to such party.

           (g)  HSR  and  Similar  Compliance.  Any  applicable  waiting  period
relating to the  consummation  of Merger under the HSR Act shall have expired or
been terminated by the reviewing agency and any similar government  requirements
have been satisfied or complied with.

           (h) Required  Approvals.  All consents and  approvals  referred to in
Section  2.3 and 3.3 (or in the  applicable  Disclosure  Schedule  with  respect
thereto) shall have been obtained.

           (i)  Supplemental  Indenture.  The Surviving  Corporation  shall have
executed such  documentation as is required by and in compliance with the Second
Amended and Restated First Mortgage Indenture dated as of June 30, 1992 from the
Seller  to  State  Street  Bank and  Trust  Company,  Trustee,  as  amended  and
supplemented.

      6.2 Additional Conditions to Obligations of the Seller. The obligations of
the  Seller  to  consummate  and  effect  the  Merger  shall be  subject  to the
satisfaction  at or  prior  to the  Effective  Time  of  each  of the  following
conditions, any of which may be waived, in writing, exclusively by the Seller:

           (a)   Representations   and  Warranties.   The   representations  and
warranties of the Buyer and Merger Sub contained in this Agreement shall be true
and correct on and as of the Effective  Time  (without  regard to any updates to
the Buyer Disclosure  Schedule,  unless otherwise agreed by the Seller),  except
for changes contemplated by this Agreement and except for those  representations
and warranties  that address  matters only as of a particular  date (which shall
remain true and  correct as of such  particular  date),  with the same force and
effect as if made on and as of the Effective  Time,  except,  in all such cases,
where the failure to be so true and correct  (without  regard to any materiality
or knowledge  qualifications  contained therein) would not have a Buyer Material
Adverse Effect,  and the Seller shall have received a certificate to such effect
signed on behalf of the Buyer by the Chief  Executive  Officer,  Chief Operating
Officer or Chief Financial Officer of the Buyer.

           (b)  Agreements  and  Covenants.  The Buyer and Merger Sub shall have
performed or complied in all material respects with all agreements and covenants
required by this  Agreement to be performed or complied with by them on or prior
to the Effective  Time, and the Seller shall have received a certificate to such
effect  signed on behalf of the  Buyer by the  Chief  Executive  Officer,  Chief
Operating Officer or Chief Financial Officer of the Buyer.

           (c)  Listing.   The  shares  of  Buyer   Common  Stock   issuable  to
stockholders of the Seller pursuant to this Agreement shall have been authorized
for listing on the NYSE, the Pacific Exchange and the Boston Stock Exchange.

      6.3 Additional  Conditions to the Obligations of the Buyer and Merger Sub.
The obligations of the Buyer and Merger Sub to consummate and effect the Merger

<PAGE>

shall be subject to the  satisfaction  at or prior to the Effective Time of each
of the following conditions, any of which may be waived, in writing, exclusively
by the Buyer:

           (a)   Representations   and  Warranties.   The   representations  and
warranties of the Seller  contained in this Agreement  shall be true and correct
on and as of the  Effective  Time  (without  regard to any updates to the Seller
Disclosure Schedule,  unless otherwise agreed by the Buyer),  except for changes
contemplated  by  this  Agreement  and  except  for  those  representations  and
warranties that address matters only as of a particular date (which shall remain
true and correct as of such particular  date), with the same force and effect as
if made on and as of the Effective Time,  except,  in all such cases,  where the
failure  to be so  true  and  correct  (without  regard  to any  materiality  or
knowledge  qualifications  contained  therein) would not have a Seller  Material
Adverse  Effect,  and the Buyer and Merger Sub shall have received a certificate
to such effect  signed on behalf of the Seller by the Chief  Executive  Officer,
Chief Operating Officer or Chief Financial Officer of the Seller.

           (b)  Agreements  and  Covenants.  The Seller shall have  performed or
complied in all material respects with all agreements and covenants  required by
this  Agreement  to be  performed  or  complied  with by it on or  prior  to the
Effective  Time,  and the Buyer shall have received a certificate to such effect
signed on behalf of the Seller by the Chief Executive  Officer,  Chief Operating
Officer or Chief Financial Officer of the Seller.

           (c) Affiliate  Agreements.  Except as set forth thereon,  each of the
individuals  and  entities  listed  on  Section  5.14 of the  Seller  Disclosure
Schedule  shall have entered into an Affiliate  Agreement,  and such  Agreements
shall be in full force and effect.

                             Article 7
                            TERMINATION

      7.1 Termination. This Agreement may be terminated at any time prior to the
Effective Time of the Merger,  whether before or after approval of the Merger by
the stockholders of the Seller or the DTE:

           (a) by  mutual  written  consent  duly  authorized  by the  Board  of
Trustees of the Buyer and the Board of Directors of the Seller;

           (b) by either the  Seller or the Buyer if the  Merger  shall not have
been consummated by December 31, 1999 (which date may be extended at the written
request  of  either  the  Buyer or the  Seller  to June 30,  2000 to the  extent
necessary to satisfy the condition set forth in Section  6.1(b),  (d) or (g) and
so long as all  other  conditions  have  been  or  shall  be  capable  of  being
fulfilled);  provided, however, that the right to terminate this Agreement under
this Section  7.1(b) shall not be available to any party whose action or failure
to act has been a principal cause of or resulted in the failure of the Merger to
occur on or before  such date if such  action or  failure to act  constitutes  a
breach of this Agreement;

<PAGE>

           (c) by  either  the  Seller  or the  Buyer  if a court  of  competent
jurisdiction or governmental,  regulatory or administrative agency or commission
shall  have  issued an order,  decree  or ruling or taken any other  action  (an
"Order"), in any case having the effect of permanently restraining, enjoining or
otherwise  prohibiting the Merger,  which order is final,  nonappealable and not
under appeal;

           (d) by either the Seller or the Buyer if the required approval of the
stockholders  of the Seller  contemplated  by this Agreement shall not have been
obtained  on or before  June 30,  1999 or by reason of the failure to obtain the
required  vote  upon a  vote  taken  at a  duly  held  meeting  of the  Seller's
stockholders  duly convened  therefor or at any  adjournment  thereof (a "Seller
Stockholder  Approval  Failure  Event");  provided,  however,  that the right to
terminate this Agreement under this Section 7.1(d) shall not be available to the
Seller where the failure to obtain Seller  stockholder  approval shall have been
caused  by the  action  or  failure  to act of the  Seller  in  breach  of  this
Agreement;

           (e) by either  the  Seller or the  Buyer,  if the  Seller  shall have
accepted  or  approved  an  Acquisition  Proposal  or if the  Seller's  Board of
Directors  recommends an Acquisition  Proposal to the stockholders of the Seller
as permitted by Section 5.4(b);

           (f) by the Buyer,  if the Board of Directors of the Seller shall have
(i) failed to convene the Seller  Stockholders'  Meeting, as required by Section
5.2, (ii) failed to recommend  approval of this Agreement in the Proxy Statement
or  withheld,  withdrawn  or  modified  in a manner  adverse  to the Buyer  such
recommendation  or  resolved  to do so,  or (iii)  approved  or  recommended  an
Acquisition Proposal;

           (g) by the  Seller,  upon a breach of any  representation,  warranty,
covenant or agreement on the part of the Buyer set forth in this  Agreement,  if
(i) as a result of such  breach the  conditions  set forth in Section  6.2(a) or
Section  6.2(b)  would not be  satisfied  as of the time of such breach and (ii)
such breach shall not have been cured by the Buyer within ten (10) business days
following receipt by the Buyer of written notice of such breach from the Seller;

           (h) by the  Buyer,  upon a breach  of any  representation,  warranty,
covenant or agreement on the part of the Seller set forth in this Agreement,  if
(i) as a result of such  breach the  conditions  set forth in Section  6.3(a) or
Section  6.3(b)  would not be  satisfied  as of the time of such breach and (ii)
such  breach  shall not have been cured by the Seller  within ten (10)  business
days  following  receipt by the Seller of written notice of such breach from the
Buyer;

           (i) by the Buyer, if there shall have occurred any event or condition
that  constitutes,  or is reasonably  likely to  constitute,  a Seller  Material
Adverse Effect since the date of this Agreement  which  condition or event shall
not have been ameliorated such that it is no longer,  or is no longer reasonably
likely to constitute,  a Seller Material Adverse Effect within ten (10) business
days following receipt by the Seller of notice from the Buyer;

           (j) by the  Seller,  if  there  shall  have  occurred  any  event  or
condition  that  constitutes,  or is reasonably  likely to  constitute,  a Buyer
Material Adverse Effect since the date of this Agreement, which condition or

<PAGE>

event shall not have been ameliorated such that it is no longer, or is no longer
reasonably likely to constitute, a Buyer Material Adverse Effect within ten (10)
business days following receipt by the Buyer of notice from the Seller;

           (k) by either the Seller or the Buyer,  if any  required  approval of
the  stockholders  of the Buyer regarding the issuance of the Buyer Common Stock
in the Merger as  contemplated by this Agreement shall not have been obtained on
or before June 30, 1999 or by reason of the failure to obtain the required  vote
upon a vote  taken at a duly  held  meeting  of the  Buyer's  stockholders  duly
convened therefor or at any adjournment  thereof (a "Buyer Stockholder  Approval
Failure Event");  provided,  however, that the right to terminate this Agreement
under this Section  7.1(k) shall not be available to the Buyer where the failure
to obtain  Buyer  stockholder  approval  shall have been caused by the action or
failure to act of the Buyer in breach of this Agreement; and

           (l) by the  Seller,  if the Board of Trustees of the Buyer shall have
(i) failed to convene the Buyer Stockholders' Meeting, to the extent required by
Section 5.2, or (ii) failed to recommend any required approval of this Agreement
in the Proxy Statement or withheld, withdrawn or modified in a manner adverse to
the Seller such recommendations or resolved to do so.

      7.2 Notice of Termination;  Effect of Termination. Any termination of this
Agreement  under  Section  7.1  above  will be  effective  immediately  upon the
delivery of written notice of the terminating party to the other parties hereto.
In the event of the  termination  of this  Agreement as provided in Section 7.1,
this Agreement  shall be of no further force or effect,  except (i) as set forth
in this Section  7.2,  Section 7.3 and Article 8 (General  Provisions),  each of
which shall survive the  termination of this  Agreement.  No termination of this
Agreement  shall  affect  the  obligations  of  the  parties  contained  in  the
Confidentiality Agreement, all of which obligations shall survive termination of
this Agreement in accordance with their terms.

      7.3  Fees and Expenses.

           (a) Except as set forth in this  Section  7.3,  all fees and expenses
incurred in connection  with this  Agreement and the  transactions  contemplated
hereby shall be paid by the party  incurring such  expenses,  whether or not the
Merger is consummated;  provided,  however,  that the Buyer and the Seller shall
share equally all fees and expenses,  other than attorneys' and accountants fees
and  expenses,  incurred  in relation  to the  printing  and filing of the Proxy
Statement  (including  any  preliminary   materials  related  thereto)  and  the
Registration  Statement  (including  financial  statements and exhibits) and any
amendments or supplements thereto.

           (b)  The  Seller  shall  pay to the  Buyer  an  amount  equal  to all
out-of-pocket  expenses  and  fees  incurred  by the  Buyer,  including  without
limitation  fees and expenses  payable to all legal,  accounting,  financial and
other  professional  advisors,  relating  to  the  Merger  or  the  transactions
contemplated  by this  Agreement not exceeding  $2,000,000 in the aggregate upon
the earliest to occur of the following events:

                (i)  the termination of this Agreement by the
                     Buyer pursuant to 7.1(h) or (i); or

<PAGE>

                (ii) the  termination  of this  Agreement  by the  Buyer  or the
                     Seller pursuant to Section 7.1(d).

           (c) The Seller shall pay the Buyer a termination  fee of  $15,000,000
(less any amount paid pursuant to Section 7.3(b)), upon the earliest to occur of
the following events:

                (i)  the termination of this Agreement pursuant to
                     Section 7.1(e) or (f); or

                (ii) the  termination  of this  Agreement  pursuant  to  Section
                     7.1(d) if, at the time of the Seller  Stockholder  Approval
                     Failure Event,

                     (A)  there shall have been announced,
                          commenced or occurred an Alternative
                          Transaction (as defined in Section
                          7.3(g)) and the Seller shall have either
                          (x) executed an agreement to engage in
                          the same or (y) the Seller's Board of
                          Directors shall not have recommended
                          against such Alternative Transaction
                          affirmatively or, if the Seller's Board
                          of Directors has recommended against
                          such Alternative Transaction, the
                          Seller's Board of Directors shall have
                          withdrawn such recommendation against
                          such Alternative Transaction or modified
                          such recommendation in a manner adverse
                          to the Buyer, or

                     (B)  there shall have been announced,
                          commenced or occurred an Alternative
                          Transaction with a Third Party (as
                          defined in Section 7.3(g)) and (x) the
                          Seller shall have engaged in, or entered
                          into an agreement to engage in, an
                          Alternative Transaction with such Third
                          Party or any affiliate thereof or with a
                          Competing Party (as defined in Section
                          7.3(g)) within twelve months after the
                          date of the Seller Stockholders Approval
                          Failure Event or (y) the Seller's Board
                          of Directors shall have recommended an
                          Alternative Transaction with the Third
                          Party proposing such Alternative
                          Transaction or any affiliate thereof or
                          with a Competing Party within twelve
                          months after the date of the Seller
                          Stockholders Approval Failure Event; or

                (iii)the  termination of this Agreement by the Buyer pursuant to
                     Section 7.1(h) after a willful breach by the Seller of this
                     Agreement,  if before  such  termination  or within  twelve
                     months  thereafter  the Seller  shall have  entered into an
                     agreement  to  engage  in  or  shall  have  engaged  in  an
                     Alternative Transaction.

           (d)  The  Buyer  shall  pay to the  Seller  an  amount  equal  to all
out-of-pocket expenses and fees incurred by the Seller, including without

<PAGE>

limitation  fees and expenses  payable to all legal,  accounting,  financial and
other  professional  advisors,  relating  to  the  Merger  or  the  transactions
contemplated  by this  Agreement not exceeding  $2,000,000 in the aggregate upon
the earliest to occur of the following events:

                (i)  the termination of this Agreement by the
                     Seller pursuant to Section 7.1(g) or (j); or

                (ii) the  termination  of this  Agreement  by the  Seller or the
                     Buyer pursuant to Section 7.1(k).

           (e) The Buyer shall pay the Seller a termination  fee of  $15,000,000
(less any amount paid pursuant to Section  7.3(d)) upon the earliest to occur of
the following events:

                (i)  the termination of this Agreement by the
                     Seller pursuant to Section 7.1 (l); or

                (ii) the  termination  of this  Agreement  pursuant  to  Section
                     7.1(k)  if at the time of the  Buyer  Stockholder  Approval
                     Failure Event,

                     (A)  there  shall  have  been  announced  or  commenced  an
                          Alternative  Transaction (as defined in Section 7.3(g)
                          substituting "Buyer" for "Seller") and the Buyer shall
                          have executed or consummated an agreement to engage in
                          the same, or

                     (B)  there shall have been announced an
                          Alternative Transaction with a Third
                          Party and (x) the Buyer shall have
                          engaged in, or entered into an agreement
                          to engage in, an Alternative Transaction
                          with such Third Party or any affiliate
                          thereof or with a Competing Party within
                          twelve months after the date of the
                          Buyer Stockholders Approval Failure
                          Event or (y) the Buyer's Board of
                          Trustees shall have recommended an
                          Alternative Transaction with the Third
                          Party proposing such Alternative
                          Transaction or any affiliate thereof or
                          with a Competing Party within twelve
                          months after the date of the Buyer
                          Stockholders Approval Failure Event; or

                (iii)the termination of this Agreement by the Seller pursuant to
                     Section  7.1(g) after a willful breach by the Buyer of this
                     Agreement,  if before  such  termination  or within  twelve
                     months  thereafter  the Buyer  shall have  entered  into an
                     agreement  to  engage  in  or  shall  have  engaged  in  an
                     Alternative Transaction.

           (f) The amounts payable  pursuant to Section 7.3(b),  (c), (d) or (e)
shall be paid by wire  transfer  within one  business day after the event giving
rise to such payment; provided that in no event shall the Seller or the Buyer be
required  to pay any  expenses  or  termination  fees  to the  other  party  if,
immediately prior to the termination of this Agreement, the other party was in

<PAGE>

material breach of any of its material obligations under this Agreement.  If one
party fails to promptly pay to the other any fee due  hereunder,  the defaulting
party shall pay the costs and expenses  (including  legal fees and  expenses) in
connection  with any action,  including the filing of any lawsuit or other legal
action,  taken to collect  payment,  together with interest on the amount of any
unpaid fee at the publicly  announced  prime rate of  BankBoston,  N.A. from the
date such fee was required to be paid.

           (g) As used in this Agreement,  (A) "Alternative  Transaction"  means
either (i) a  transaction  pursuant  to which any  person (or group of  persons)
other than the Buyer or its Affiliates (a "Third  Party"),  acquires 20% or more
of the outstanding shares of Seller Common Stock,  pursuant to a tender offer or
exchange  offer  of  otherwise,  (ii) a  merger,  consolidation  or  combination
involving  the Seller in which the holders of Seller  Common Stock do not own at
least a  majority  of the  equity  of the  surviving  entity,  (iii)  any  other
transaction  pursuant  to which  any  Third  Party  acquires  control  of assets
(including for this purpose the outstanding equity securities of Subsidiaries of
the  Seller,  and the  entity  surviving  any  merger  or  business  combination
including any of them) of the Seller  having a fair market value (as  determined
by the Board of Directors of the Seller in good faith) equal to more than 20% of
the fair market value of all the assets of the Seller  immediately prior to such
transaction, or (iv) any public announcement of a proposal, plan or intention to
do any of the foregoing or any agreement to engage in any of the foregoing,  and
(B)  "Competing  Party"  shall  mean any  person  other  than  the  Buyer or its
affiliates who announces or commences an Alternative  Transaction,  or with whom
an Alternative Transaction occurs, while an Alternative Transaction with a Third
Party is pending.

           (h) If this  Agreement  is  terminated  by a party as a  result  of a
willful breach by the other party, the terminating party may pursue any remedies
available to it at law or in equity and shall, in addition to its  out-of-pocket
expenses  (which  shall be paid as  specified  above and shall not be limited to
$2,000,000),  be entitled to retain such  additional  amounts as the terminating
party may be entitled to receive at law or in equity.

                             Article 8

                        GENERAL PROVISIONS

      8.1 Non-Survival of Representations  and Warranties.  The  representations
and  warranties  of the  Seller,  the Buyer and  Merger  Sub  contained  in this
Agreement  shall terminate at the Effective Time, and only the covenants that by
their terms survive the Effective Time shall survive the Effective Time.

      8.2 Notices.  All notices and other  communications  hereunder shall be in
writing  and shall be deemed  given if  delivered  personally  or by  commercial
delivery service, or sent via telecopy (receipt confirmed) to the parties at the
following  addresses or telecopy  numbers (or at such other  address or telecopy
numbers for a party as shall be specified by like notice):

           (a)  if to the Buyer or Merger Sub, to:

                Eastern Enterprises

<PAGE>

                9 Riverside Road
                Weston, Massachusetts  02493
                Attention:J. Atwood Ives
                      Chairman and Chief Executive Officer

                Telephone:(781) 647-2302
                Facsimile:(781) 647-2350

                with a copy to:

                Eastern Enterprises
                9 Riverside Road
                Weston, Massachusetts  02493
                Attention:L. William Law, Jr., Esq.
                        Senior Vice President and General Counsel

                Telephone:(781) 647-2313
                Facsimile:(781) 647-2398

           (b)  if to the Seller, to:

                Colonial Gas Company
                40 Market Street
                Lowell, Massachusetts  01852
                Attention:F.L. Putnam, III
                      President and Chief Executive Officer

                Telephone:(978) 322-3465
                Facsimile:(978) 322-3456

                with a copy to:

                Palmer & Dodge LLP
                One Beacon Street
                Boston, Massachusetts  02108
                Attention:Stanley Keller, Esq.

                Telephone:(617) 573-0100
                Facsimile:(617) 227-4420

      8.3 Interpretation;  Knowledge. When a reference is made in this Agreement
to Exhibits,  such  reference  shall be to an Exhibit to this  Agreement  unless
otherwise indicated.  The words "include,"  "includes" and "including" when used
herein  shall be  deemed  in each  case to be  followed  by the  words  "without
limitation." The table of contents and headings  contained in this Agreement are
for  reference  purposes  only and shall not  affect in any way the  meaning  or
interpretation of this Agreement. When reference is made herein to "business of"

<PAGE>

an entity,  such reference shall be deemed to include the business of all direct
and indirect  subsidiaries of such entity.  Reference to the  Subsidiaries of an
entity shall be deemed to include all direct and indirect  subsidiaries  of such
entity.  References to the "knowledge of the Seller," or any similar  expression
shall mean the actual knowledge of any executive officer of the Seller.

      8.4  Counterparts.   This  Agreement  may  be  executed  in  one  or  more
counterparts,  all of which shall be considered  one and the same  agreement and
shall become effective when one or more counterparts have been signed by each of
the parties and  delivered  to the other  party,  it being  understood  that all
parties need not sign the same counterpart.

      8.5 Entire Agreement. This Agreement and the documents and instruments and
other  agreements  among the parties  hereto as  contemplated  by or referred to
herein,  including  the  Seller  Disclosure  Schedule  and the Buyer  Disclosure
Schedule (i) constitute the entire  agreement  among the parties with respect to
the subject matter hereof and supersede all prior agreements and understandings,
both  written and oral,  among the parties  with  respect to the subject  matter
hereof, it being understood that the Confidentiality Agreement shall continue in
full force and effect  until the Closing and shall  survive any  termination  of
this  Agreement;  and (ii) are not  intended to confer upon any other person any
rights or remedies hereunder, except as set forth herein.

      8.6 Severability. In the event that any provision of this Agreement or the
application thereof, becomes or is declared by a court of competent jurisdiction
to be illegal,  void or  unenforceable,  the  remainder of this  Agreement  will
continue in full force and effect and the application of such provision to other
persons or  circumstances  will be  interpreted  so as  reasonably to effect the
intent of the parties hereto.  The parties further agree to replace such void or
unenforceable provision of this Agreement with a valid and enforceable provision
that will achieve,  to the extent  possible,  the  economic,  business and other
purposes of such void or unenforceable provision.

      8.7 Amendment. Subject to applicable law, this Agreement may be amended by
the parties  hereto at any time by execution of an instrument in writing  signed
on behalf of each of the parties hereto.

      8.8 Extension;  Waiver.  At any time prior to the Effective Time any party
hereto  may,  to the  extent  legally  allowed,  (i)  extend  the  time  for the
performance of any of the obligations or other acts of the other parties hereto,
(ii) waive any inaccuracies in the  representations  and warranties made to such
party contained  herein or in any document  delivered  pursuant hereto and (iii)
waive  compliance  with any of the  agreements or conditions  for the benefit of
such party contained herein.  Any agreement on the part of a party hereto to any
such  extension or waiver shall be valid only if set forth in an  instrument  in
writing signed on behalf of such party.

      8.9 Other Remedies;  Specific  Performance.  Except as otherwise  provided
herein,  any and all remedies  herein  expressly  conferred upon a party will be
deemed  cumulative with and not exclusive of any other remedy conferred  hereby,
or by law or equity upon such party, and the exercise by a party of any one

<PAGE>

remedy will not preclude the exercise of any other  remedy.  The parties  hereto
agree  that  irreparable  damage  would  occur  in  the  event  that  any of the
provisions  of this  Agreement  were not  performed  in  accordance  with  their
specific terms or were  otherwise  breached.  It is accordingly  agreed that the
parties shall be entitled to an injunction or injunctions to prevent breaches of
this Agreement and to enforce  specifically  the terms and provisions  hereof in
any court of the United States or any state having  jurisdiction,  this being in
addition to any other remedy to which they are entitled at law or in equity.

      8.10 Governing  Law. This Agreement  shall be governed by and construed in
accordance with the laws of the Commonwealth of Massachusetts, regardless of the
laws that might otherwise govern under applicable principles of conflicts of law
thereof.

      8.11  Assignment.  No party may assign either this Agreement or any of its
rights,  interests,  or obligations hereunder without the prior written approval
of the of the other parties.

      8.12 Parties in Interest.  Except for rights of Indemnified Parties as set
forth in  Section  5.11,  nothing in this  Agreement,  express  or  implied,  is
intended  to confer  upon any other  person any rights or remedies of any nature
whatsoever under or by reason of this Agreement.

      8.13 Waiver of Jury Trial. EACH OF THE BUYER AND SELLER HEREBY IRREVOCABLY
WAIVES  ALL RIGHT TO TRIAL BY JURY IN ANY  ACTION,  PROCEEDING  OR  COUNTERCLAIM
(WHETHER  BASED ON CONTRACT,  TORT OR  OTHERWISE)  ARISING OUT OF OR RELATING TO
THIS  AGREEMENT  OR THE  ACTIONS OF THE  BUYER,  THE SELLER OR MERGER SUB IN THE
NEGOTIATION, ADMINISTRATION, PERFORMANCE AND ENFORCEMENT HEREOF.

      8.14  Massachusetts  Business  Trust.  Reference  is  hereby  made  to the
declaration of trust establishing Eastern Enterprises  (formerly Eastern Gas and
Fuel Associates) dated July 18, 1929, as amended,  a copy of which is on file in
the office of the  Secretary  of the  Commonwealth  of  Massachusetts.  The name
"Eastern  Enterprises" refers to the trustees under said declaration as trustees
and not  personally;  and no trustee,  shareholder;  officer or agent of Eastern
Enterprises  shall be held to any  personal  liability  in  connection  with the
affairs of said Eastern Enterprises, but the trust estate only is liable.

            [Balance of Page Intentionally Left Blank]



<PAGE>




      IN WITNESS WHEREOF, the Buyer and the Seller have caused this Agreement to
be signed as a sealed instrument by their duly authorized  respective  officers,
all as of the date first written above.



                          EASTERN ENTERPRISES





                                       By:
                                          Chairman and Chief Executive Officer


                          COLONIAL GAS COMPANY





                                       By:
                                          President and Chief Executive Officer


                                       and



                                       By:
                                          Treasurer









     [Signature Page to Agreement and Plan of Reorganization]


<PAGE>


          [FORM OF JOINDER TO BE EXECUTED BY MERGER SUB]


      The undersigned [Name] ("Merger Sub"), a Massachusetts utility corporation
and wholly-owned  subsidiary of Buyer,  hereby joins in the foregoing  Agreement
and Plan of  Reorganization  and agrees to be a party thereto and to perform the
obligations of Merger Sub thereunder, as though it had been a party thereto from
the date thereof.

      IN WITNESS  WHEREOF,  Merger Sub has caused this Joinder to be signed as a
sealed instrument by its duly authorized officers as of _______________, 199__.


                          [NAME OF MERGER SUB]



                                       By:
                                           President


                                       and


                                       By:
                                           Treasurer



                                                                       Exhibit A



Eastern Enterprises
9 Riverside Road
Weston, Massachusetts 02493

Ladies and Gentlemen:

Reference  is made to the  Agreement  and Plan of  Reorganization  (the  "Merger
Agreement") dated October 17, 1998 between Colonial Gas Company, a Massachusetts
corporation  ("Colonial"),  and Eastern  Enterprises,  a Massachusetts  business
trust  ("Eastern"),  pursuant to which  Colonial  will be merged with and into a
Massachusetts  corporation to be formed as a wholly owned  subsidiary of Eastern
(the  "Merger").  Pursuant to the terms and conditions of the Merger  Agreement,
upon consummation of the transactions contemplated thereby, each share of common
stock,  $3.33 par value of  Colonial  ("Colonial  Common  Stock"),  owned by the
undersigned as of the Effective Time (as defined in the Merger  Agreement)  will
be converted into and exchangeable for cash and/or shares of common stock, $1.00
par value, of Eastern (the "Eastern Common Stock").

The undersigned understands that he or she may be deemed to be an "affiliate" of
Colonial for purposes of Rule 145 promulgated  under the Securities Act of 1933,
as amended (the "Act"). The undersigned is delivering this letter of undertaking
and commitment pursuant to Section 5.14 of the Merger Agreement.

With  respect to such shares of Eastern  Common  Stock as may be received by the
undersigned  pursuant to the Merger  Agreement (the  "Shares"),  the undersigned
represents to and agrees with Colonial and Eastern that:

      A. The undersigned will not make any offer to sell or otherwise dispose of
         all  or any  part  of  the  Shares  in  violation  of the  registration
         requirements  of the  Act  or the  rules  and  regulations  thereunder,
         including  without  limitation  Rule 145,  and will hold all the Shares
         subject to all such applicable  provisions of the Act and the rules and
         regulations thereunder.

      B. The undersigned  has been advised that the offering,  sale and delivery
         of the Shares to the undersigned  pursuant to the Merger Agreement will
         be registered  under the Act on a  Registration  Statement on Form S-4.
         The  undersigned  has also  been  advised,  however,  that,  since  the
         undersigned  may be deemed  an  "affiliate"  of  Colonial,  any  public
         reoffering  or resale by the  undersigned  of any of the  Shares  will,
         under current law,  require either (i) the further  registration  under
         the Act of the  Shares  to be  sold,  (ii)  compliance  with  Rule  145
         promulgated  under the Act  (permitting  limited  sales  under  certain
         circumstances)  or (iii) the  availability  of another  exemption  from
         registration under the Act.

<PAGE>

      C. The undersigned understands that Eastern will be under no obligation to
         register the offering, sale and delivery of the Shares under the Act in
         connection  with  any  sale,  transfer,  or  other  disposition  by the
         undersigned or on behalf of the undersigned or to take any other action
         necessary  in  order  to  make   compliance   with  an  exemption  from
         registration under the Act available.

      D. The  undersigned  also  understands  that,  if Eastern  should  deem it
         necessary to comply with the  requirements  of the Act,  stop  transfer
         instructions  will be given to its transfer  agents with respect to the
         Shares  and that  there  will be  placed  on the  certificates  for the
         Shares, or any substitutions therefor, a legend stating in substance:

         "The  securities  represented  by this  certificate  were  issued  in a
         transaction  under Rule 145  promulgated  under the  Securities  Act of
         1933, as amended (the "Act"), and may be sold, transferred or otherwise
         disposed  of only upon  receipt  by the  Association  of an  opinion of
         counsel  acceptable  to it  that  the  securities  are  being  sold  in
         compliance  with  the  limitations  of  Rule  145 or  that  some  other
         exemption from registration under the Act is available,  or pursuant to
         a registration statement under the Act."


      Very truly yours,


      Signature



      Name



      Date


<PAGE>






[GRAPHIC OMITTED]

                                                      Press Release
40 Market Street
P.O. Box 3064
Lowell MA  01853
978-322-3000
Fax 978-459-2314







FOR IMMEDIATE RELEASE:       CONTACT:
October 19, 1998                Colonial Gas          Brian Norris
                                                      978-322-3435
                                Eastern Enterprises   Jane McCahon
                                                      781-647-2316


                COLONIAL GAS COMPANY TO MERGE WITH 
                        EASTERN ENTERPRISES


Lowell and Weston, MA (October 19, 1998) -- Colonial Gas Company (NYSE: CLG) and
Eastern  Enterprises (NYSE: EFU) jointly announced today that the companies have
entered into a definitive  agreement  which  provides for the merger of Colonial
Gas into  Eastern  for  $37.50  per share in  Eastern  stock and cash.  Based on
Colonial  Gas' shares  outstanding  as of September  30, 1998,  the  transaction
values Colonial Gas' equity at $332 million,  and taking into account Colonial's
outstanding  debt,  an  enterprise  value of $495  million.  The purchase  price
represents a 27% premium to Colonial  Gas' closing price on October 16, 1998 and
a multiple of 2.66x Colonial's book value at September 30, 1998.

Under the terms of the merger  agreement,  Colonial  Gas'  shareholders  will be
permitted to elect either Eastern common stock or cash, with the total amount of
cash consideration fixed at $150 million. Shareholder elections will be prorated
to the  extent  necessary  to  maintain  this mix of  consideration.  Based upon
Eastern's current share price ($43.375 as of October 16, 1998) and Colonial Gas'
outstanding  shares,  Eastern  expects to issue about 4.2 million shares in this
transaction.  The transaction  will be tax-free to Colonial Gas  shareholders to
the extent they receive Eastern shares. The exchange ratio for the stock portion
of the consideration will be determined based upon Eastern's average stock price
prior to closing, and will be subject to a collar mechanism. Under the collar

<PAGE>
Page 2 - Colonial Gas Company and Eastern Enterprises
Press Release:  October 19, 1998


mechanism,  if  Eastern's  average  closing  stock price per share for a ten-day
period prior to closing is either  higher than $47.80 or lower than $37.56,  the
portion of the purchase  price  payable in Eastern  shares  would be  determined
based upon a fixed  exchange  ratio  calculated  at such prices.  Colonial  Gas'
shareholders  who receive  Eastern stock would benefit from a modest 2% dividend
increase.

J. Atwood Ives,  Eastern chairman and chief executive  officer  commented,  "The
merger with  Colonial Gas is a  significant  step in the industry  consolidation
strategy  we have  been  pursuing  for  several  years in order to  achieve  the
economies of scale that will enable us to improve customer service,  lower costs
and build value for our  shareholders.  The Essex County Gas acquisition was the
first step and the Colonial Gas merger marks the second step of this strategy to
realize the benefits of consolidation in this highly-fragmented market."

Mr. Ives continued,  "Colonial Gas is a well-managed,  fast-growing company that
will profit from the  synergies of the merger,  as well as  Eastern's  financial
strength.   When  this   transaction  is  completed,   Eastern's   combined  gas
distribution  companies will serve over 725,000 customers in Massachusetts.  The
increased size and scope of the combined  organization will enable us to provide
enhanced,  cost-effective  customer service and to accelerate the growth of both
our customer base and gas throughput. This merger will also allow us to build on
the  enhanced  capabilities  of the  combined  work force --  strengthening  our
competitive  position in  deregulating  energy  markets.  We do not believe this
transaction will be dilutive to Eastern's earnings."

F.  L.  Putnam,  III,  Colonial  Gas  president  and  chief  executive  officer,
commented,  "We are  excited to bring the skills and  experience  that have been
developed  at Colonial Gas over the last 150 years to Eastern  Enterprises.  Our
Board of Directors  realized that now is the time for us to take decisive action
to better  position  Colonial  Gas for  future  growth.  Based on its  review of
strategic  alternatives,  our Board concluded that a merger with Eastern and its
gas distribution companies would be in the best interests of Colonial Gas'

<PAGE>
Page 3 - Colonial Gas Company and Eastern Enterprises
Press Release:  October 19, 1998

customers,  shareholders and employees. A rate plan, subject to state regulatory
approval,  is expected to provide  both  immediate  and  long-term  benefits for
Colonial Gas' customers.  Colonial Gas'  shareholders will receive a substantial
premium, as well as the option to participate in the future growth of the energy
industry  through  ownership of Eastern shares.  We are confident that a larger,
stronger and more  diversified  company,  such as we are  creating  through this
merger, will benefit our employees over the long term."

The merger of Eastern and  Colonial  Gas has been  approved  by both  companies'
boards and will be accounted for as a purchase  transaction.  The transaction is
expected  to close by  mid-year  1999,  subject to the  receipt of  satisfactory
regulatory  approvals and the approval of Eastern and Colonial Gas shareholders.
A proposed  merger and rate plan for  Colonial  Gas is expected to be filed with
the Massachusetts Department of Telecommunications and Energy before year end.

After the merger is  completed,  Colonial  Gas will  operate  as a  wholly-owned
subsidiary  of  Eastern  and as a sister  company  of Boston  Gas and Essex Gas,
Eastern's existing gas distribution  companies.  F. L. Putnam, Jr., Colonial Gas
chairman and senior  executive  officer,  will join Eastern's  Board of Trustees
upon completion of the merger.

Colonial Gas Company,  based in Lowell,  Massachusetts,  is a local distribution
company serving over 150,000 customers in 24 communities northwest of Boston and
on Cape Cod  (many of which are  contiguous  to towns  served by Boston  Gas and
Essex Gas).  Colonial  Gas also owns and  operates  Transgas  Inc.,  the world's
largest over-the-road  transporter of liquified natural gas, which will become a
separate  Eastern  subsidiary.  In its fiscal  year  ended  December  31,  1997,
Colonial Gas earned $16.0 million,  or $1.87 per share, on operating revenues of
$187.1 million.


<PAGE>

Page 4 - Colonial Gas Company and Eastern Enterprises
Press Release:  October 19, 1998


Eastern  Enterprises  owns and  operates  Boston Gas  Company,  Essex County Gas
Company, Midland Enterprises Inc. and ServicEdge Partners, Inc. Together, Boston
Gas and Essex Gas are New England's largest  distributor of natural gas, serving
575,000 residential,  commercial and industrial customers in Boston and 90 other
eastern   and   central   Massachusetts   communities.    Midland   Enterprises,
headquartered  in Cincinnati,  Ohio, is the leading  carrier of coal and a major
carrier of other dry bulk cargoes on the nation's inland waterways, with a fleet
of 2,384 barges and 87 towboats. ServicEdge provides HVAC equipment installation
and service to customers in eastern Massachusetts.

This press release may contain forward looking  statements  which are subject to
the inherent uncertainties in predicting future results and conditions.  Certain
factors  that  could  cause  actual  results  to differ  materially  from  those
projected in these forward looking statements  include,  but are not limited to,
the ability to  successfully  integrate  the  operations of Colonial Gas Company
with  Eastern  and its  subsidiaries,  variations  in  weather,  changes  in the
regulatory  environment,  customer's  preferences  on  energy  sources,  general
economic conditions, increased competition and other uncertainties, all of which
are  difficult  to  predict,  and many of which are  beyond  the  control of the
Company.

Colonial Gas Company is the fastest-growing,  lowest-cost natural gas utility in
New England. Formed as a Massachusetts corporation in 1849, Colonial distributes
natural  gas  to  over  150,000  residential  and  commercial  customers  in  24
communities  located  northwest  of Boston  and on Cape Cod.  In  addition,  the
Company is involved in several related business activities  including the sales,
rental,  installation,  service,  and financing of natural gas products for home
heating, water heating,  central air conditioning,  and industrial applications.
Colonial also owns and operates Transgas Inc., the world's largest over-the-road
transporter of liquefied natural gas.



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