CONSOLIDATED NATURAL GAS CO
8-K, 1999-03-01
NATURAL GAS TRANSMISISON & DISTRIBUTION
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                UNITED STATES 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): February 19, 1999



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



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



     Delaware                          1-3196                   13-0596475
(State or other jurisdiction of    (Commission File No.)     (I.R.S. Employer
 incorporation or organization)                              Identification No.)



            CNG Tower, 625 Liberty Avenue, Pittsburgh, PA 15222-3199
            (Addressof principal executive offices)       (Zip Code)



       Registrant's Telephone Number, including area code: (412) 690-1000



<PAGE>


ITEM 5. OTHER EVENTS


     Consolidated Natural Gas Company, a Delaware corporation ("CNG"), and
Dominion Resources, Inc., a Virginia corporation ("DRI"), have entered into an
Agreement and Plan of Merger, dated as of February 19, 1999 (the "Merger
Agreement"), which provides for a merger of CNG with and into DRI (the
"Merger"). Under the terms of the Merger Agreement, CNG will be merged with and
into DRI, with DRI being the surviving corporation. Each outstanding share of
Common Stock, par value $2.75 per share, of CNG will be cancelled and converted
into the right to receive 1.52 shares of Common Stock, no par value, of DRI
("DRI Common Stock"). The Merger would result in the common shareholders of CNG
owning 43% of the common equity of the combined company. The Merger, which was
unanimously approved by the Boards of Directors of the constituent companies, is
expected to close shortly after all of the conditions to the consummation of the
Merger, including obtaining applicable regulatory approvals, are met or waived.

     The Merger Agreement and the press release issued in connection therewith
are filed as Exhibits 2 and 99 to this report and are incorporated herein by
reference.



ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS


     (c) Exhibits. The following exhibits are filed herewith:

          2    Agreement and Plan of Merger, dated as of February 19, 1999, by
               and between CNG and DRI.

          99   Joint Press Release, dated February 22, 1999, of CNG and DRI.



<PAGE>


                                   SIGNATURES


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

                                    CONSOLIDATED NATURAL GAS
                                     COMPANY



                                          By    /s/ D.M. Westfall
                                            ---------------------
                                            Name:  D.M. Westfall
                                            Title:  Senior Vice-President, Non-
                                                    regulated Business, and
                                                    Chief Financial Officer

DATE:  March 1, 1999



<PAGE>


                                  EXHIBIT INDEX

Exhibit
Number
- ------

2    Agreement and Plan of Merger, dated as of February 19, 1999, by and between
     Consolidated Natural Gas Company and Dominion Resources, Inc.

99   Joint Press Release,  dated February 22, 1999, of Consolidated  Natural Gas
     Company and Dominion Resources, Inc.




                               AGREEMENT AND PLAN
                                    OF MERGER
                                 by and between
                            DOMINION RESOURCES, INC.
                                       and
                        CONSOLIDATED NATURAL GAS COMPANY
                          Dated as of February 19, 1999


<PAGE>


                                TABLE OF CONTENTS

                                                                            Page
                                                                            ----
ARTICLE I THE MERGER..........................................................1
  Section 1.1  The Merger.....................................................1
  Section 1.2  Effective Time of the Merger...................................2

ARTICLE II TREATMENT OF SHARES................................................2
  Section 2.1  Effect of Merger on Capital Stock..............................2
  Section 2.2  Exchange of Common Stock Certificates..........................3

ARTICLE III THE CLOSING.......................................................5
  Section 3.1  Closing........................................................5

ARTICLE IV REPRESENTATIONS AND WARRANTIES OF DRI..............................5
  Section 4.1  Organization and Qualification.................................5
  Section 4.2  Subsidiaries...................................................6
  Section 4.3  Capitalization.................................................6
  Section 4.4  Authority; Non-Contravention; Statutory Approvals;
                 Compliance...................................................7
  Section 4.5  Reports and Financial Statements...............................8
  Section 4.6  Absence of Certain Changes or Events...........................9
  Section 4.7  Registration Statement and Proxy Statement.....................9
  Section 4.8  Employee Matters; ERISA........................................9
  Section 4.9  Regulation as a Utility.......................................10
  Section 4.10 Vote Required.................................................10
  Section 4.11 Accounting Matters............................................11
  Section 4.12 Opinion of Financial Advisor..................................11
  Section 4.13 Ownership of CNG Common Stock.................................11
  Section 4.14 Anti-Takeover Provisions......................................11
  Section 4.15 Nuclear Operations............................................11
  Section 4.16 NRC Actions...................................................12
  Section 4.17 Environmental Protection......................................12


                                       -i-

<PAGE>


  Section 4.18 Trading Position Risk Management..............................12
  Section 4.19  Litigation...................................................12
  Section 4.20 Dividends.....................................................13

ARTICLE V REPRESENTATIONS AND WARRANTIES OF CNG..............................13
  Section 5.1  Organization and Qualification................................13
  Section 5.2  Subsidiaries..................................................13
  Section 5.3  Capitalization................................................14
  Section 5.4  Authority; Non-Contravention; Statutory Approvals; 
                 Compliance..................................................14
  Section 5.5  Reports and Financial Statements..............................15
  Section 5.6  Absence of Certain Changes or Events..........................16
  Section 5.7  Registration Statement and Proxy Statement....................16
  Section 5.8  Employee Matters; ERISA.......................................16
  Section 5.9  Regulation as a Utility.......................................17
  Section 5.10 Vote Required.................................................17
  Section 5.11 Accounting Matters............................................17
  Section 5.12 Opinion of Financial Advisor..................................17
  Section 5.13 Ownership of DRI Common Stock.................................18
  Section 5.14 CNG Rights Agreement..........................................18
  Section 5.15 Anti-Takeover Provisions......................................18
  Section 5.16  Environmental Protection.....................................18
  Section 5.17  Trading Position Risk Management.............................19
  Section 5.18 Litigation....................................................19

ARTICLE VI CONDUCT OF BUSINESS PENDING THE MERGER............................19
  Section 6.1  Ordinary Course of Business...................................19
  Section 6.2  Dividends.....................................................19
  Section 6.3  Issuance of Securities........................................20
  Section 6.4  Charter Documents.............................................20
  Section 6.5  Acquisitions..................................................20
  Section 6.6  No Dispositions...............................................21
  Section 6.7  Indebtedness..................................................21
  Section 6.8  Capital Expenditures..........................................21
  Section 6.9  Compensation, Benefits........................................22
  Section 6.10 1935 Act......................................................22
  Section 6.11 Accounting....................................................22
  Section 6.12 Pooling.......................................................22
  Section 6.13 Tax-Free Status...............................................23
  Section 6.14 Discharge of Liabilities......................................23
  Section 6.15 Cooperation, Notification.....................................23

                               -ii-

<PAGE>




  Section 6.16 Rate Matters..................................................23
  Section 6.17 Third-Party Consents..........................................23
  Section 6.18 No Breach, Etc................................................24
  Section 6.19 Tax-Exempt Status.............................................24
  Section 6.20 Transition Management.........................................24
  Section 6.21 Insurance.....................................................24
  Section 6.22 Permits.......................................................24

ARTICLE VII ADDITIONAL AGREEMENTS............................................25
  Section 7.1  Access to Information.........................................25
  Section 7.2  Joint Proxy Statement and Registration Statement..............25
  Section 7.3  Regulatory Matters............................................26
  Section 7.4  Shareholder Approvals.........................................27
  Section 7.5  Directors' and Officers' Indemnification......................27
  Section 7.6  Disclosure Schedules..........................................29
  Section 7.7  Public Announcements..........................................29
  Section 7.8  Rule 145 Affiliates...........................................29
  Section 7.9  Certain Employee Agreements...................................30
  Section 7.10 Incentive, Stock and Other Plans..............................30
  Section 7.11 No Solicitations..............................................31
  Section 7.12 DRI Board of Directors........................................32
  Section 7.13 Corporate Offices.............................................32
  Section 7.14 Expenses......................................................32
  Section 7.15 Community Support.............................................33
  Section 7.16 Further Assurances............................................33

ARTICLE VIII CONDITIONS......................................................33
  Section 8.1  Conditions to Each Party's Obligation to Effect
                 the Merger..................................................33
  Section 8.2  Conditions to Obligation of CNG to Effect the Merger..........34
  Section 8.3  Conditions to Obligation of DRI to Effect the Merger..........35

ARTICLE IX TERMINATION, AMENDMENT AND WAIVER.................................36
  Section 9.1  Termination...................................................36
  Section 9.2  Effect of Termination.........................................39
  Section 9.3  Termination Fee; Expenses.....................................39
  Section 9.4  Amendment.....................................................41


                                     -iii-

<PAGE>
  Section 9.5  Waiver........................................................41

ARTICLE X GENERAL PROVISIONS.................................................41
  Section 10.1  Non-Survival of Representations, Warranties,
                  Covenants and Agreements...................................41
  Section 10.2  Brokers......................................................41
  Section 10.3  Notices......................................................42
  Section 10.4  Miscellaneous................................................43
  Section 10.5  Interpretation...............................................43
  Section 10.6  Counterparts; Effect.........................................43
  Section 10.7  Parties in Interest..........................................43
  Section 10.8  Specific Performance.........................................44
  Section 10.9  WAIVER OF JURY TRIAL.........................................44


                                      -iv-


<PAGE>


                          AGREEMENT AND PLAN OF MERGER



     AGREEMENT AND PLAN OF MERGER, dated as of February 19, 1999 (this
"Agreement"), by and between DOMINION RESOURCES, INC., a corporation organized
under the laws of the Commonwealth of Virginia ("DRI"), and CONSOLIDATED NATURAL
GAS COMPANY, a corporation formed under the laws of the State of Delaware
("CNG").

     WHEREAS, the respective Boards of Directors of DRI and CNG have approved
the merger of CNG into DRI on the terms and conditions set forth in this
Agreement (such transaction being referred to herein as the "Merger");

     WHEREAS, for accounting purposes, it is intended that the Merger will be
accounted for as a pooling of interests in accordance with generally accepted
accounting principles ("GAAP") and applicable regulations of the Securities and
Exchange Commission (the "SEC");

     WHEREAS, for federal income tax purposes, it is intended that the Merger
shall qualify as a transaction described in Section 368(a)(1)(A) of the Internal
Revenue Code of 1986, as amended (the "Code"), and that the shareholders of CNG
will not recognize any gain or loss as a result thereof, except with respect to
any cash received in lieu of fractional shares; and

     NOW THEREFORE, in consideration of the premises and the representations,
warranties, covenants and agreements contained herein, the parties hereto,
intending to be legally bound, hereby agree as follows:


                                    ARTICLE I

                                   THE MERGER

     Section 1.1 The Merger. Pursuant to the terms and subject to the conditions
of this Agreement, at the Effective Time (as defined in Section 1.2), CNG shall
be merged into DRI in accordance with the laws of the Commonwealth of Virginia
and the State of Delaware. DRI shall be the surviving corporation in the Merger
and shall continue its existence under the laws of the Commonwealth of Virginia.
The effects and consequences of the Merger shall be as set forth in this
Agreement and in Section 13.1-721 of the Virginia Stock Corporation Act (the
"VSCA").

                                      -1-
<PAGE>

     Section 1.2 Effective Time of the Merger. On the Closing Date (as defined
in Section 3.1), articles of merger with respect to the Merger, in form
acceptable to DRI and CNG (the "Articles of Merger"), shall be executed and
filed by the parties hereto with the State Corporation Commission of the
Commonwealth of Virginia pursuant to Section 13.1-720 of the VSCA and a
certificate of merger, in form acceptable to DRI and CNG (the "Certificate of
Merger"), shall be executed and filed with the Secretary of State of Delaware
pursuant to Section 252 of the Delaware General Corporation Law. The Merger
shall become effective at the time that DRI and CNG shall agree as specified in
the Articles of Merger and Certificate of Merger (the time the Merger becomes
effective being hereinafter called the "Effective Time").


                                   ARTICLE II

                               TREATMENT OF SHARES

     Section 2.1 Effect of Merger on Capital Stock. At the Effective Time, by
virtue of the Merger and without any action on the part of any holder of any
capital stock of DRI or CNG:

     (a) Cancellation of Certain Common Stock. Each share of CNG common stock,
par value $2.75 per share ("CNG Common Stock"), together with any CNG Rights (as
defined in Section 5.14) that are owned by DRI or any of its subsidiaries (as
defined in Section 4.1), shall be cancelled and shall cease to exist, and no
consideration shall be delivered in exchange therefor.

     (b) Conversion of CNG Common Stock. Each share of CNG Common Stock issued
and outstanding immediately prior to the Effective Time (other than shares
cancelled pursuant to Section 2.1(a)) shall be converted into the right to
receive 1.52 share(s) (the "Conversion Ratio") of duly authorized, validly
issued, fully paid and nonassessable DRI common stock, no par value ("DRI Common
Stock"). Upon such conversion, each holder of any shares of CNG Common Stock
(whether held in book entry or certificated form) shall cease to have any rights
with respect thereto, except the right to receive the shares of DRI Common Stock
to be issued in consideration therefor (and cash in lieu of fractional shares
pursuant to Section 2.2(d)) upon the conversion of such CNG Common Stock in
accordance with Section 2.2.

     (c) DRI Common Stock to Remain Outstanding. Each share of DRI Common Stock
issued and outstanding immediately prior to the Effective Time shall remain
outstanding following the Effective Time.



                                      -2-
<PAGE>

     Section 2.2 Exchange of Common Stock Certificates.

     (a) Deposit with Exchange Agent. As soon as practicable after the Effective
Time, DRI shall deposit with a bank, trust company or other agent selected by
DRI (the "Exchange Agent") certificates representing shares of DRI Common Stock
required to effect the conversion of CNG Common Stock into DRI Common Stock as
provided in Section 2.1(b).

     (b) Exchange Procedures. As soon as practicable after the Effective Time,
the Exchange Agent shall mail to each holder of record of a certificate or
certificates ("Certificate") which immediately prior to the Effective Time
represented issued and outstanding shares of CNG Common Stock ("CNG Shares"),
(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
actual delivery of the Certificates to the Exchange Agent) and (ii) instructions
for use in effecting the exchange of Certificates for certificates representing
shares of DRI Common Stock ("DRI Shares") or for effecting the exchange of
Certificates for DRI Shares to be held in book entry form. As soon as
practicable after the Effective Time, the Exchange Agent shall also mail to each
holder of record of CNG Shares held in book entry form ("Book Entry Shares")
instructions for use in effecting the conversion of said Book Entry Shares into
DRI Shares. Upon delivery of a Certificate to the Exchange Agent for exchange,
together with a duly executed letter of transmittal and such other documents as
the Exchange Agent shall require, or, in the case of Book Entry Shares,
compliance with the instructions for conversion thereof, the holder of such
Certificate or Book Entry Shares shall be entitled to receive in exchange
therefor that number of whole DRI Shares and the amount of cash in lieu of
fractional share interests (pursuant to Section 2.2(d)) which such holder has
the right to receive pursuant to the provisions of this Article II. In the event
of a transfer of ownership of CNG Shares which is not registered in the transfer
records of CNG, the proper number of DRI Shares will be issued to a transferee
if, in addition to the other requirements for conversion, the Exchange Agent
receives all documents required to evidence and effect such transfer and
evidence satisfactory to the Exchange Agent that any applicable stock transfer
taxes have been paid. Until delivered as contemplated by this Section 2.2, each
Certificate, and until converted as contemplated by this Section 2.2, all Book
Entry Shares, shall be deemed at any time after the Effective Time to represent
only the right to receive DRI Shares and cash in lieu of any fractional shares
of DRI Common Stock as contemplated by this Section 2.2.

     (c) Distributions with Respect to Unexchanged Shares. No dividends or other
distributions declared or made after the Effective Time with respect to DRI
Shares with a record date after the Effective Time shall be paid to the holder
of any undelivered Certificate or unconverted Book Entry Shares with respect to
the DRI Shares represented thereby, and no cash payment in lieu of fractional
shares shall be paid to any such holder pursuant to Section 2.2(d), until the
holder of record of such Certificate or unconverted Book Entry Shares (or a
transferee as described in Section 2.2(b)) shall have delivered such Certificate
or effected the conversion of such Book Entry Shares as contemplated in Section
2.2(b). Subject to the effect


                                      -3-
<PAGE>

of unclaimed property, escheat and other applicable laws, following delivery of
any such Certificate or conversion of any such Book Entry Shares, there shall be
paid to the record holder (or transferee) of the whole DRI Shares issued in
exchange or conversion therefor, without interest, (i) at the time of such
delivery, the amount of any cash payable in lieu of a fractional share of DRI
Common Stock to which such holder (or transferee) is entitled pursuant to
Section 2.2(d) and the amount of dividends or other distributions with a record
date after the Effective Time theretofore paid with respect to such whole DRI
Shares and (ii) at the appropriate payment date, the amount of dividends or
other distributions with a record date after the Effective Time but prior to
delivery or conversion and a payment date subsequent to delivery or conversion
payable with respect to such whole DRI Shares, as the case may be.

     (d) No Fractional Shares. (i) No certificates or scrip representing
fractional shares of DRI Common Stock shall be issued upon the exchange of
Certificates or conversion of Book Entry Shares, and such fractional share
interests will not entitle the owner thereof to vote or to any rights of a
shareholder of DRI. All holders of CNG Common Stock who would otherwise be
entitled to receive a fractional share of DRI Common Stock shall receive, in
lieu thereof upon exchange or conversion of its CNG Shares, an amount of cash
determined by multiplying the fraction of a share of DRI Common Stock to which
such shareholder would otherwise be entitled by the closing sales price of DRI
Common Stock as reported under "NYSE Composite Transition Reports," in The Wall
Street Journal on the trading day immediately prior to the Effective Time. From
time to time, DRI shall, subject to Section 2.2(f) hereof, deliver to the
Exchange Agent cash in such amounts as shall be necessary to pay to the holders
of CNG Shares cash in lieu of fractional shares of DRI Common Stock.

     (e) Closing of Transfer Books. From and after the Effective Time, the stock
transfer books of CNG with respect to shares of CNG Common Stock issued and
outstanding prior to the Effective Time shall be closed and no transfer of any
such shares shall thereafter be made. If, after the Effective Time, Certificates
are presented to DRI, they shall be cancelled and exchanged for certificates
representing the appropriate number of whole DRI Shares and cash in lieu of
fractional shares of DRI Common Stock as provided in this Section 2.2.

     (f) Termination of Exchange Agent. Any certificates representing DRI Shares
deposited with the Exchange Agent pursuant to Section 2.2(a) and not exchanged
or converted within six (6) months after the Effective Time pursuant to this
Section 2.2 shall be returned by the Exchange Agent to DRI, which shall
thereafter act as Exchange Agent. All funds held by the Exchange Agent for
payment to the holders of undelivered Certificates or unconverted Book Entry
Shares and unclaimed at the end of six (6) months from the Effective Time shall
be remitted to DRI, after which time any holder of undelivered Certificates or
unconverted Book Entry Shares shall look as a general creditor only to DRI for
payment of such funds which may be due to such holder, subject to applicable
law. DRI shall not be


                                      -4-
<PAGE>

liable to any person for such shares or funds delivered to a public official
pursuant to any applicable abandoned property, escheat or similar law.


                                   ARTICLE III

                                   THE CLOSING

     Section 3.1 Closing. The closing (the "Closing") of the Merger shall take
place at the offices of LeBoeuf, Lamb, Greene & MacRae, L.L.P., 125 West 55th
Street, New York, New York 10019-5389, or such other place as may be mutually
agreed upon by the parties hereto at 10:00 A.M., local time, on the second
business day immediately following the date on which the last of the conditions
set forth in Article VIII is fulfilled or waived, or at such other time and date
as CNG and DRI shall mutually agree (the "Closing Date").


                                   ARTICLE IV

                      REPRESENTATIONS AND WARRANTIES OF DRI

     Except as disclosed in the DRI SEC Reports (as defined in Section 4.5)
filed prior to the date hereof or as set forth on the Disclosure Schedule
delivered by DRI to CNG prior to the execution of this Agreement (the "DRI
Disclosure Schedule"), DRI represents and warrants to CNG as follows:

     Section 4.1 Organization and Qualification. DRI and each of its Significant
Subsidiaries is a corporation duly organized, validly existing and in good
standing under the laws of its jurisdiction of incorporation, has all requisite
corporate power and authority, to own, lease and operate its assets and
properties and to carry on its business as it is now being conducted, and is
duly qualified and in good standing to do business in each jurisdiction in which
the nature of its business or the ownership or leasing of its assets and
properties makes such qualification necessary, other than in such jurisdictions
where the failure to be so qualified and in good standing will not, when taken
together with all other such failures, have a material adverse effect on the
business, operations, properties, assets, condition (financial or otherwise),
prospects or results of operations of DRI and its subsidiaries taken as a whole
or on the consummation of this Agreement (any such material adverse effect being
hereinafter referred to as a "DRI Material Adverse Effect"). True, accurate and
complete copies of the articles of incorporation and bylaws of DRI, as in effect
on the date hereof, have been delivered to CNG. As used in this Agreement, the
term "subsidiary" with respect to any person shall mean any corporation or other
entity (including partnerships and other business associations) in which such
person directly or indirectly owns outstanding capital stock or other voting
securities having the power, under ordinary circumstances, to elect a majority
of the directors or similar members of the governing body of such corporation or
other entity, or 


                                      -5-
<PAGE>

otherwise to direct the management and policies of such corporation or other
entity. As used in this Agreement, a "Significant Subsidiary" means any
subsidiary of DRI or CNG, as the case may be, that constitutes a "significant
subsidiary" of such party within the meaning of Rule 1-02 of Regulation S-X of
the SEC.

     Section 4.2 Subsidiaries. Exhibit 21 to the Annual Report of DRI on Form
10-K for the fiscal year ended December 31, 1997 includes all subsidiaries of
DRI which as of the date of this Agreement are Significant Subsidiaries. All the
outstanding shares of capital stock of, or other equity interests in, each such
Significant Subsidiary have been duly authorized and validly issued and are
fully paid and nonassessable and are owned directly or indirectly by DRI, free
and clear of all pledges, claims, liens, charges, encumbrances and security
interests of any kind or nature whatsoever (collectively, "Liens"). None of the
subsidiaries of DRI is a "public utility company", a "holding company", a
"subsidiary company" or an "affiliate" of any public utility company within the
meaning of the Public Utility Holding Company Act of 1935, as amended (the "1935
Act"). There are no outstanding subscriptions, options, calls, contracts, voting
trusts, proxies or other commitments, understandings, restrictions,
arrangements, rights or warrants, including any right of conversion or exchange
under any outstanding security, instrument or other agreement, obligating any
Significant Subsidiary to issue, deliver or sell, or cause to be issued,
delivered or sold, additional shares of its capital stock or obligating it to
grant, extend or enter into any such agreement or commitment. As used in this
Agreement, the term "joint venture" with respect to any person shall mean any
corporation or other entity (including partnerships and other business
associations and joint ventures) in which such person or one or more of its
subsidiaries owns an equity interest that is less than a majority of any class
of the outstanding voting securities or equity, other than equity interests held
for passive investment purposes that are less than 5% of any class of the
outstanding voting securities or equity.

     Section 4.3 Capitalization. The authorized capital stock of DRI consists of
300,000,000 shares of DRI Common Stock and 20,000,000 shares of preferred stock.
As of the close of business on January 31, 1999, 193,962,097 shares of DRI
Common Stock and no shares of preferred stock were issued and outstanding. All
of the issued and outstanding shares of the capital stock of DRI are validly
issued, fully paid, nonassessable and free of preemptive rights. As of the date
hereof, there are no outstanding subscriptions, options, calls, contracts,
voting trusts, proxies or other commitments, understandings, restrictions,
arrangements, rights or warrants, including any right of conversion or exchange
under any outstanding security, instrument or other agreement, obligating DRI or
any of its subsidiaries to issue, deliver or sell, or cause to be issued,
delivered or sold, additional shares of the capital stock or other voting
securities of DRI or obligating DRI or any of its subsidiaries to grant, extend
or enter into any such agreement or commitment.



                                      -6-
<PAGE>

     Section 4.4 Authority; Non-Contravention; Statutory Approvals; Compliance.

     (a) Authority. DRI has all requisite power and authority to enter into this
Agreement and, subject to the DRI Shareholders' Approval (as defined in Section
4.10) and the DRI Required Statutory Approvals (as defined in Section 4.4(c)),
to consummate the transactions contemplated hereby. The Board of Directors of
DRI has (a) determined that the Merger is fair and in the best interest of DRI
and its shareholders, (b) approved and adopted this Agreement, and (c) resolved
to recommend to the holders of DRI Common Stock that they give the DRI
Shareholders' Approval. The execution and delivery of this Agreement and the
consummation by DRI of the transactions contemplated hereby have been duly
authorized by all necessary corporate action on the part of DRI, subject to
obtaining the DRI Shareholders' Approval. This Agreement has been duly and
validly executed and delivered by DRI and, assuming the due authorization,
execution and delivery of this Agreement by CNG, constitutes the legal, valid
and binding obligation of DRI enforceable against DRI in accordance with its
terms.

     (b) Non-Contravention. The execution and delivery of this Agreement by DRI
do not and the consummation of the transactions contemplated hereby will not,
violate, conflict with or result in a breach of any provision of, or constitute
a default (with or without notice or lapse of time or both) under, or result in
the termination of, or accelerate the performance required by, or result in a
right of termination, cancellation or acceleration of any material obligation
under or the loss of a material benefit under, or result in the creation of any
Lien upon any of the properties or assets (any such violation, conflict, breach,
default, right of termination, cancellation or acceleration, loss or creation
being hereinafter referred to as a "Violation") by DRI or any of its Significant
Subsidiaries under any provisions of (i) the articles of incorporation, bylaws
or similar governing documents of DRI or any of its Significant Subsidiaries,
(ii) subject to obtaining the DRI Required Statutory Approvals and the receipt
of the DRI Shareholders' Approval, any statute, law, ordinance, rule,
regulation, judgment, decree, order, injunction, writ, permit or license of any
court, governmental or regulatory body (including a stock exchange or other
self-regulatory body) or authority, domestic or foreign (each, a "Governmental
Authority") applicable to DRI or any of its Significant Subsidiaries or any of
their respective properties or assets, or (iii) subject to obtaining the
third-party consents or other approvals set forth in Section 4.4(b) of the DRI
Disclosure Schedule (the "DRI Required Consents"), any note, bond, mortgage,
indenture, deed of trust, license, franchise, permit, concession, contract,
lease or other instrument, obligation or agreement of any kind to which DRI or
any of its Significant Subsidiaries is now a party or by which any of them or
any of their respective properties or assets may be bound or affected, excluding
from the foregoing clauses (ii) and (iii) such Violations as would not have,
individually or in the aggregate, a DRI Material Adverse Effect.

     (c) Statutory Approvals. No declaration, filing or registration with, or
notice to or authorization, consent, finding by or approval of, any Governmental
Authority is necessary for the execution and delivery of this Agreement by DRI
or the consummation by


                                      -7-
<PAGE>

DRI of the transactions contemplated hereby, which, if not obtained, made or
given, would have, individually or in the aggregate, a DRI Material Adverse
Effect (the "DRI Required Statutory Approvals"), it being understood that
references in this Agreement to "obtaining" such DRI Required Statutory
Approvals shall mean making such declarations, filings or registrations; giving
such notice; obtaining such consents or approvals; and having such waiting
periods expire as are necessary to avoid a violation of law.

     (d) Compliance. Neither DRI nor any of its subsidiaries nor, to the best
knowledge of DRI, any of its joint ventures, is in violation of or under
investigation with respect to, or has been given notice or been charged with any
violation of, any law, statute, order, rule, regulation, ordinance or judgment
(including, without limitation, any "Environmental Laws") of any Governmental
Authority, except for violations that, individually or in the aggregate, do not
have, and, to the best knowledge of DRI, are not reasonably likely to have, a
DRI Material Adverse Effect. DRI, its subsidiaries and, to the best knowledge of
DRI, its joint ventures have all permits, licenses, franchises and other
governmental authorizations, consents and approvals necessary to conduct their
respective businesses as currently conducted (collectively, "Permits"), except
those Permits the failure to obtain which would not have, individually or in the
aggregate, a DRI Material Adverse Effect. As used in this Agreement, the term
"Environmental Laws" means any law, statute, order, rule, regulation, ordinance
or judgment relating to pollution or protection of human health or the
environment (including, without limitation, ambient air, indoor air, surface
water, ground water, land surface or subsurface strata and natural resources)
including, without limitation, those relating to the release or threatened
release of Hazardous Materials or to the manufacture, processing, distribution,
use, treatment, storage, disposal, transport or handling of Hazardous Materials.
As used in this Agreement, the term "Hazardous Materials" means chemicals,
pollutants, contaminants, wastes, toxic substances, hazardous substances,
materials or constituents, petroleum or petroleum products or any other
substances or materials subject to regulation under Environmental Laws.

     Section 4.5 Reports and Financial Statements. The filings required to be
made by DRI and its subsidiaries since January 1, 1996 under the Securities Act
of 1933, as amended (the "Securities Act"), the Securities Exchange Act of 1934,
as amended (the "Exchange Act"), the Federal Power Act (the "Power Act"), the
Atomic Energy Act of 1954, as amended (the "Atomic Energy Act"), the 1935 Act
and applicable state laws and regulations have been filed with the SEC, the
Federal Energy Regulatory Commission (the "FERC"), the Nuclear Regulatory
Commission (the "NRC") or the applicable state regulatory authorities, as the
case may be, including all forms, statements, reports, agreements (oral or
written) and all documents, exhibits, amendments and supplements appertaining
thereto, and complied in all material respects with all applicable requirements
of the appropriate act and the rules and regulations thereunder. DRI has made
available to CNG a true and complete copy of each report, schedule, registration
statement and definitive proxy statement filed by DRI with the SEC under the
Securities Act and the Exchange Act since January 1, 1996 and through the date
hereof (as such documents have since the time of their filing been amended, the
"DRI 


                                      -8-
<PAGE>

SEC Reports"). The DRI SEC Reports, including without limitation any financial
statements or schedules included therein, at the time filed, and any forms,
reports or other documents filed by DRI with the SEC after the date hereof, did
not and will not contain any untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary to make the
statements therein, in light of the circumstances under which they were made,
not misleading. The audited consolidated financial statements and unaudited
interim financial statements of DRI included in the DRI SEC Reports
(collectively, the "DRI Financial Statements") have been prepared, and will be
prepared, in accordance with GAAP (except as may be indicated therein or in the
notes thereto and except with respect to unaudited statements as permitted by
Form 10-Q under the Exchange Act) and fairly present the consolidated financial
position of DRI as of the respective dates thereof or the consolidated results
of operations and cash flows for the respective periods then ended, as the case
may be, subject, in the case of the unaudited interim financial statements, to
normal, recurring audit adjustments.

     Section 4.6 Absence of Certain Changes or Events. From September 30, 1998
through the date hereof, each of DRI and each of its subsidiaries has conducted
its business only in the ordinary course of business consistent with past
practice and no event has occurred which has had, and no fact or condition
exists that would have or, to the best knowledge of DRI, is reasonably likely to
have, a DRI Material Adverse Effect.

     Section 4.7 Registration Statement and Proxy Statement. None of the
information supplied or to be supplied by or on behalf of DRI for inclusion or
incorporation by reference in (i) the registration statement on Form S-4 to be
filed with the SEC by DRI in connection with the issuance of shares of DRI
Common Stock in the Merger (the "Registration Statement") will, at the time the
Registration Statement becomes effective under the Securities Act, and as the
same may be amended, at the effective time of such amendment, contain any untrue
statement of a material fact or omit to state any material fact required to be
stated therein or necessary to make the statements therein not misleading, and
(ii) the joint proxy in definitive form, relating to the meetings of the
shareholders of CNG and DRI to be held in connection with the Merger and the
prospectus relating to DRI Common Stock to be issued in the Merger (the "Joint
Proxy Statement/Prospectus") will at the date such Joint Proxy
Statement/Prospectus is mailed to such shareholders and, as the same may be
amended or supplemented, at the times of such meetings, contain any untrue
statement of a material fact or omit to state any material fact necessary in
order to make the statements therein, in light of the circumstances under which
they were made, not misleading. The Registration Statement and the Joint Proxy
Statement/Prospectus will comply as to form in all material respects with the
provisions of the Securities Act and the Exchange Act and the rules and
regulations thereunder.

     Section 4.8 Employee Matters; ERISA.

     (a) Each "employee benefit plan" (as defined in Section 3(3) of the
Employee Retirement Income Security Act of 1974, as amended ("ERISA")), bonus,
deferred 


                                      -9-
<PAGE>

compensation, stock option, employment, severance, change in control or other
written agreement relating to employment, fringe benefits or perquisites for
current or former employees of DRI or any of its subsidiaries, maintained or
contributed to by DRI or any of its subsidiaries at any time during the
seven-calendar year period immediately preceding the date hereof (collectively,
the "DRI Employee Benefit Plans") is listed in Section 4.8(a) of the DRI
Disclosure Schedule.

     (b) With respect to the DRI Employee Benefit Plans, individually and in the
aggregate, no event has occurred and, there exists no condition or set of
circumstances, in connection with which DRI or any of its subsidiaries could be
subject to any liability that is reasonably likely to have a DRI Material
Adverse Effect (except liability for benefits claims and funding obligations
payable in the ordinary course) under ERISA, the Code or any other applicable
law.

     (c) Each DRI Employee Benefit Plan has been administered in accordance with
its terms, except for any failures to so administer any DRI Employee Benefit
Plans as would not, individually or in the aggregate, have a DRI Material
Adverse Effect. DRI, its subsidiaries and all the DRI Employee Benefit Plans are
in compliance with the applicable provisions of ERISA, the Code and all other
applicable laws and the terms of all applicable collective bargaining agreements
as they relate to the DRI Employee Benefit Plans, except for any failures to be
in such compliance as would not, individually or in the aggregate, have a DRI
Material Adverse Effect. Each DRI Employee Benefit Plan which is intended to be
qualified within the meaning of Section 401(a) of the Code has received a
favorable determination letter from the IRS and, to the knowledge of DRI, no
event has occurred and no condition exists which could reasonably be expected to
result in the revocation of any such determination.

     (d) Except for all equity-based and other awards, the vesting and
exercisability of which will, by their terms, be accelerated as a result of the
transactions contemplated hereunder, no employee of DRI will be entitled to any
additional benefits or any acceleration of the time of payment or vesting of any
benefits under any DRI Employee Benefit Plan as a result of the transactions
contemplated by this Agreement.

     Section 4.9 Regulation as a Utility. Neither DRI nor any subsidiary company
or affiliate of DRI is subject to regulation as a public utility or public
service company (or similar designation) by any state in the United States, by
the United States or any agency or instrumentality of the United States or by
any foreign country. As used in this Section 4.9 and in Section 5.9, the terms
"subsidiary company" and "affiliate" shall have the respective meanings ascribed
to them in the 1935 Act.

     Section 4.10 Vote Required. (a) The approval of the Merger by a majority of
all votes cast by the holders of DRI Common Stock at a duly called meeting of
such shareholders at which a quorum is present (the "DRI Shareholders'
Approval") is the only vote of the 


                                      -10-
<PAGE>

holders of any class or series of the capital stock of DRI required to approve
this Agreement, the Merger and the other transactions contemplated hereby.

     (b) None of the shareholders of DRI are entitled to exercise any appraisal
rights in connection with the DRI Shareholders Approval.

     Section 4.11 Accounting Matters. DRI has not, through the date hereof,
taken or agreed to take any action that would prevent DRI from accounting for
the business combination to be effected by the Merger as a pooling-of-interests
in accordance with GAAP and applicable SEC regulations.

     Section 4.12 Opinion of Financial Advisor. DRI has received the opinion of
Lehman Brothers Inc., dated the date hereof, to the effect that, as of the date
hereof, the Conversion Ratio is fair from a financial point of view to the
holders of DRI Common Stock.

     Section 4.13 Ownership of CNG Common Stock. DRI does not "beneficially own"
(as such term is defined in Rule 13d-3 under the Exchange Act) any shares of CNG
Common Stock.

     Section 4.14 Anti-Takeover Provisions. None of the business combination
provisions of Article 13.1 of Chapter 9 of the VSCA or any similar provisions of
the VSCA or the articles of incorporation or bylaws of DRI are applicable to the
transactions contemplated by this Agreement. No other "fair price,"
"moratorium," "control share acquisition" or similar anti-takeover statute or
regulation is applicable to DRI, the Merger or any other transaction
contemplated hereby.

     Section 4.15 Nuclear Operations. To the knowledge of DRI, the operations of
DRI's and its subsidiaries' nuclear generating stations are and have at all
times been conducted in compliance with applicable health, safety, regulatory
and other legal requirements, except for those requirements the failure with
which to comply would not, individually or in the aggregate, have a DRI Material
Adverse Effect. To the knowledge of DRI, DRI's and its subsidiaries' nuclear
generating stations maintain emergency plans designed to respond to an unplanned
release therefrom of radioactive materials into the environment and liability
insurance to the extent required by law, and such further insurance (other than
liability insurance) as is consistent with DRI's view of the risks inherent in
the operation of a nuclear power facility. To the knowledge of DRI, plans for
the decommissioning of each of DRI's and its subsidiaries' nuclear generating
stations and for the short-term storage of spent nuclear fuel conform with
applicable regulatory or other legal requirements (other than those with which
the failure to comply would not, individually or in the aggregate, have a DRI
Material Adverse Effect), and such plans have at all times been funded to the
extent required by law, which is consistent with DRI's reasonable budget
projections for such plans. To the knowledge of DRI, neither DRI nor any of its
subsidiaries has incurred any liability as a result


                                      -11-
<PAGE>

of operating nuclear power facilities for third parties which liability,
individually or in the aggregate, would have a DRI Material Adverse Effect.

     Section 4.16 NRC Actions. Neither DRI nor any of its subsidiaries has been
given written notice of or been charged with actual or potential violation of,
or is the subject of any ongoing proceeding, inquiry, special inspection,
diagnostic evaluation or other NRC action (excluding rulemakings of general
application that may affect the conduct of DRI's business regarding DRI's
nuclear power facilities) of which DRI or any of its subsidiaries has received
written notice, under the Atomic Energy Act, any applicable regulations
thereunder or the terms and conditions of any license granted to DRI or any of
its subsidiaries regarding DRI's or any of its subsidiaries' nuclear power
facilities or any third party's nuclear power facility operated by DRI or any of
its subsidiaries that would have, or DRI reasonably believes would be reasonably
likely to have, a DRI Material Adverse Effect.

     Section 4.17 Environmental Protection. Except as would not have,
individually or in the aggregate, a DRI Material Adverse Effect, (A) neither DRI
nor any of its subsidiaries is in violation of, or has received any written
notice that it is subject to liability under, any Environmental Laws, (B) DRI
and its subsidiaries have, or have filed timely application for, all permits,
licenses, authorizations and approvals required under any applicable
Environmental Laws, all of which are in full force and effect, and are each in
compliance with their requirements, (C) there are no pending, or to the
knowledge of DRI, threatened administrative, regulatory or judicial actions,
suits, demands, demand letters, claims, liens, notices of noncompliance,
violation or potential responsibility or liability, investigation or proceeding
pursuant to any Environmental Law against DRI or any of its subsidiaries, or to
the knowledge of DRI, any of their respective predecessors-in-interest for which
DRI or any of its subsidiaries is or may be liable and (D) there are no past or
present events, conditions or circumstances which would reasonably be expected
to form the basis of an order or other requirement to conduct responsive or
corrective action, or an action, suit or proceeding by any private party or
governmental agency, against or affecting, or requiring capital or operating
expenditures by, DRI or any of its subsidiaries, in each case pursuant to any
Environmental Laws.

     Section 4.18 Trading Position Risk Management. DRI has established a risk
management committee which, from time to time, establishes risk parameters to
restrict the level of risk that DRI and its subsidiaries are authorized to take
with respect to the net position resulting from physical commodity transactions,
exchange traded futures and options and over-the-counter derivative instruments.
The risk management committee of DRI regularly monitors the compliance of DRI
and its subsidiaries with such risk parameters.

     Section 4.19 Litigation. (i) There are no suits, actions or proceedings
pending or, to the best knowledge of DRI threatened against or affecting DRI or
any of its subsidiaries and (ii) there are no judgments, decrees, injunctions,
rules or orders of any court, governmental department, commission, agency,
instrumentality or authority or any arbitrator


                                      -12-
<PAGE>

outstanding against DRI or any of its subsidiaries that, in each case,
individually or in the aggregate, would have, or are reasonably likely to have,
a DRI Material Adverse Effect.

     Section 4.20 Dividends. It is the present intention of DRI's Board of
Directors to maintain the dividends on DRI Common Stock at its current annual
rate.


                                    ARTICLE V

                      REPRESENTATIONS AND WARRANTIES OF CNG

     Except as  disclosed  in the CNG SEC Reports  (as  defined in Section  5.5)
filed  prior to the date  hereof  or as set  forth  on the  Disclosure  Schedule
delivered  by CNG to DRI  prior to the  execution  of this  Agreement  (the "CNG
Disclosure Schedule"), CNG represents and warrants to DRI as follows:

     Section 5.1 Organization and Qualification. CNG and each of its Significant
Subsidiaries is a corporation duly organized, validly existing and in good
standing under the laws of its jurisdiction of incorporation, has all requisite
corporate power and authority, to own, lease and operate its assets and
properties and to carry on its business as it is now being conducted, and is
duly qualified and in good standing to do business in each jurisdiction in which
the nature of its business or the ownership or leasing of its assets and
properties makes such qualification necessary, other than in such jurisdictions
where the failure to be so qualified and in good standing will not, when taken
together with all other such failures, have a material adverse effect on the
business, operations, properties, assets, condition (financial or otherwise),
prospects or results of operations of CNG and its subsidiaries taken as a whole
or on the consummation of this Agreement (any such material adverse effect being
hereinafter referred to as a "CNG Material Adverse Effect"). True, accurate and
complete copies of the articles of incorporation and bylaws of CNG, as in effect
on the date hereof, have been delivered to DRI.

     Section 5.2 Subsidiaries. Exhibit 21 to the Annual Report of CNG on Form
10-K for the fiscal year ended December 31, 1997 includes all subsidiaries of
CNG which as of the date of this Agreement are Significant Subsidiaries. All the
outstanding shares of capital stock of, or other equity interests in, each such
Significant Subsidiary have been duly authorized and validly issued and are
fully paid and nonassessable and are owned directly or indirectly by CNG, free
and clear of all Liens. There are no outstanding subscriptions, options, calls,
contracts, voting trusts, proxies or other commitments, understandings,
restrictions, arrangements, rights or warrants, including any right of
conversion or exchange under any outstanding security, instrument or other
agreement, obligating any Significant Subsidiary to issue, deliver or sell, or
cause to be issued, delivered or sold, additional shares of its capital stock or
obligating it to grant, extend or enter into any such agreement or commitment.



                                      -13-
<PAGE>

     Section 5.3 Capitalization. The authorized capital stock of CNG consists of
400,000,000 shares of CNG Common Stock and 5,000,000 shares of preferred stock.
As of the close of business on January 31, 1999, 95,397,649 shares of CNG Common
Stock and no shares of preferred stock were issued and outstanding. All of the
issued and outstanding shares of the capital stock of CNG are validly issued,
fully paid, nonassessable and free of preemptive rights. Except for the CNG
Rights (as defined in Section 5.14), as of the date hereof, there are no
outstanding subscriptions, options, calls, contracts, voting trusts, proxies or
other commitments, understandings, restrictions, arrangements, rights or
warrants, including any right of conversion or exchange under any outstanding
security, instrument or other agreement, obligating CNG or any of its
subsidiaries to issue, deliver or sell, or cause to be issued, delivered or
sold, additional shares of the capital stock or other voting securities of CNG
or obligating CNG or any of its subsidiaries to grant, extend or enter into any
such agreement or commitment.

     Section 5.4 Authority; Non-Contravention; Statutory Approvals; Compliance.

     (a) Authority. CNG has all requisite power and authority to enter into this
Agreement and, subject to the CNG Shareholders' Approval (as defined in Section
5.10) and the CNG Required Statutory Approvals (as defined in Section 5.4(c), to
consummate the transactions contemplated hereby. The Board of Directors of CNG
has (a) determined that the Merger is fair and in the best interest of CNG and
its shareholders, (b) approved and adopted this Agreement, and (c) resolved to
recommend to the holders of CNG Common Stock that they give the CNG
Shareholders' Approval. The execution and delivery of this Agreement and the
consummation by CNG of the transactions contemplated hereby have been duly
authorized by all necessary corporate action on the part of CNG, subject to
obtaining the CNG Shareholders' Approval. This Agreement has been duly and
validly executed and delivered by CNG and, assuming the due authorization,
execution and delivery of this Agreement by DRI, constitutes the legal, valid
and binding obligation of CNG enforceable against CNG in accordance with its
terms.

     (b) Non-Contravention. The execution and delivery of this Agreement by CNG
do not and the consummation of the transactions contemplated hereby will not
result in any Violation by CNG or any of its Significant Subsidiaries under any
provisions of (i) the articles of incorporation, bylaws or similar governing
documents of CNG or any of its Significant Subsidiaries, (ii) subject to
obtaining the CNG Required Statutory Approvals and the receipt of the CNG
Shareholders' Approval, any statute, law, ordinance, rule, regulation, judgment,
decree, order, injunction, writ, permit or license of any Governmental Authority
applicable to CNG or any of its Significant Subsidiaries or any of their
respective properties or assets, or (iii) subject to obtaining the third-party
consents or other approvals disclosed in Section 5.4(b) of the CNG Disclosure
Schedule (the "CNG Required Consents"), any note, bond, mortgage, indenture,
deed of trust, license, franchise, permit, concession, contract, lease or other
instrument, obligation or agreement of any kind to which CNG or any of its
Significant Subsidiaries is now a party or by which any of them or any of their
respective 


                                      -14-
<PAGE>

properties or assets may be bound or affected, excluding from the foregoing
clauses (ii) and (iii) such Violations as would not have, individually or in the
aggregate, a CNG Material Adverse Effect.

     (c) Statutory Approvals. No declaration, filing or registration with, or
notice to or authorization, consent, finding by or approval of, any Governmental
Authority is necessary for the execution and delivery of this Agreement by CNG
or the consummation by CNG of the transactions contemplated hereby which if not
obtained, made or given, would have, individually or in the aggregate, a CNG
Material Adverse Effect (the "CNG Required Statutory Approvals"), it being
understood that references in this Agreement to "obtaining" such CNG Required
Statutory Approvals shall mean making such declarations, filings or
registrations; giving such notice; obtaining such consents or approvals; and
having such waiting periods expire as are necessary to avoid a violation of law.

     (d) Compliance. Neither CNG nor any of its subsidiaries nor, to the best
knowledge of CNG, any of its joint ventures, is in violation of or under
investigation with respect to, or has been given notice or been charged with any
violation of, any law, statute, order, rule, regulation, ordinance or judgment
(including, without limitation, any Environmental Laws) of any Governmental
Authority, except for violations that, individually or in the aggregate, do not
have, and, to the best knowledge of CNG, are not reasonably likely to have, a
CNG Material Adverse Effect. CNG, its subsidiaries and, to the best knowledge of
CNG, its joint ventures have all Permits, except those Permits the failure to
obtain which would not have, individually or in the aggregate, a CNG Material
Adverse Effect.

     Section 5.5 Reports and Financial Statements. The filings required to be
made by CNG and its subsidiaries since January 1, 1996 under the Securities Act,
the Exchange Act, the Power Act, the Natural Gas Act (the "Gas Act"), the
Natural Gas Policy Act of 1978 (the "Gas Policy Act"), the 1935 Act and
applicable state laws and regulations have been filed with the SEC, the FERC or
the applicable state regulatory authorities, as the case may be, including all
forms, statements, reports, agreements (oral or written) and all documents,
exhibits, amendments and supplements appertaining thereto, and complied in all
material respects with all applicable requirements of the appropriate act and
the rules and regulations thereunder. CNG has made available to DRI a true and
complete copy of each report, schedule, registration statement and definitive
proxy statement filed by CNG with the SEC under the Securities Act and the
Exchange Act, since January 1, 1996 and through the date hereof (as such
documents have since the time of their filing been amended, the "CNG SEC
Reports"). The CNG SEC Reports, including without limitation any financial
statements or schedules included therein, at the time filed, and any forms,
reports or other documents filed by CNG with the SEC after the date hereof, did
not and will not contain any untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary to make the
statements therein, in light of the circumstances under which they were made,
not misleading. The audited consolidated financial statements and unaudited
interim financial statements of CNG included in the CNG SEC Reports
(collectively, the "CNG Financial 


                                      -15-
<PAGE>

Statements") have been prepared, and will be prepared, in accordance with GAAP
(except as may be indicated therein or in the notes thereto and except with
respect to unaudited statements as permitted by Form 10-Q under the Exchange
Act) and fairly present the consolidated financial position of CNG as of the
respective dates thereof or the consolidated results of operations and cash
flows for the respective periods then ended, as the case may be, subject, in the
case of the unaudited interim financial statements, to normal, recurring audit
adjustments.

     Section 5.6 Absence of Certain Changes or Events. From September 30, 1998
through the date hereof, each of CNG and each of its subsidiaries has conducted
its business only in the ordinary course of business consistent with past
practice and no event has occurred which has had, and no fact or condition
exists that would have or, to the best knowledge of CNG, is reasonably likely to
have, a CNG Material Adverse Effect.

     Section 5.7 Registration Statement and Proxy Statement. None of the
information supplied or to be supplied by or on behalf of CNG for inclusion or
incorporation by reference in (i) the Registration Statement will, at the time
the Registration Statement becomes effective under the Securities Act, and as
the same may be amended, at the effective time of such amendment, contain any
untrue statement or a material fact or omit to state any material fact required
to be stated therein or necessary to make the statements therein not misleading
and (ii) the Joint Proxy Statement/Prospectus will, at the date such Joint Proxy
Statement/Prospectus is mailed to the shareholders of CNG and DRI and, as the
same may be amended or supplemented, at the times of the meetings of such
shareholders to be held in connection with the Merger, contain any untrue
statement of a material fact or omit to state any material fact necessary in
order to make the statements therein, in light of the circumstances under which
they were made, not misleading. The Registration Statement and the Joint Proxy
Statement/Prospectus will comply as to form in all material respects with the
provisions of the Securities Act and the Exchange Act and the rules and
regulations thereunder.

     Section 5.8 Employee Matters; ERISA.

     (a) Each "employee benefit plan" (as defined in Section 3(3) of ERISA),
bonus, deferred compensation, stock option, employment, severance, change in
control or other written agreement relating to employment, fringe benefits or
perquisites for current or former employees of CNG or any of its subsidiaries,
maintained or contributed to by CNG or any of its subsidiaries at any time
during the seven-calendar year period immediately preceding the date hereof
(collectively, the "CNG Employee Benefit Plans") is listed in Section 5.8(a) of
the CNG Disclosure Schedule.

     (b) With respect to the CNG Employee Benefit Plans, individually and in the
aggregate, no event has occurred and, to the knowledge of CNG, there exists no
condition or set of circumstances, in connection with which CNG or any of its
subsidiaries could be subject to any liability that is reasonably likely to have
a CNG Material Adverse Effect (except 


                                      -16-
<PAGE>

liability for benefits claims and funding obligations payable in the ordinary
course) under ERISA, the Code or any other applicable law.

     (c) Each CNG Employee Benefit Plan has been administered in accordance with
its terms, except for any failures to so administer any CNG Employee Benefit
Plans as would not, individually or in the aggregate, have a CNG Material
Adverse Effect, CNG, its subsidiaries and all the CNG Employee Benefit Plans are
in compliance with the applicable provisions of ERISA, the Code and all other
applicable laws and the terms of all applicable collective bargaining agreements
as they relate to the CNG Employee Benefit Plans, except for any failures to be
in such compliance as would not, individually or in the aggregate, have a CNG
Material Adverse Effect. Each CNG Employee Benefit Plan which is intended to be
qualified within the meaning of Section 401(a) of the Code has received a
favorable determination letter from the IRS and, to the knowledge of CNG, no
event has occurred and no condition exists which could reasonably be expected to
result in the revocation of any such determination.

     (d) Except for all equity-based and other awards, the vesting and
exercisability of which will, by their terms, be accelerated as a result of the
transactions contemplated hereunder, no employee of CNG will be entitled to any
additional benefits or any acceleration of the time of payment or vesting of any
benefits under any CNG Employee Benefit Plan as a result of the transactions
contemplated by this Agreement.

     Section 5.9 Regulation as a Utility. Neither CNG nor any subsidiary company
or affiliate of CNG is subject to regulation as a public utility or public
service company (or similar designation) by any state in the United States, by
the United States or any agency or instrumentality of the United States or by
any foreign country.

     Section 5.10 Vote Required. (a) The approval of the Merger by a majority of
all votes entitled to be cast by the holders of CNG Common Stock (the "CNG
Shareholders' Approval"), is the only vote of the holders of any class or series
of the capital stock of CNG required to approve this Agreement, the Merger and
the other transactions contemplated hereby.

     (b) None of the shareholders of CNG are entitled to exercise any appraisal
rights in connection with the CNG Shareholders' Approval.

     Section 5.11 Accounting Matters. CNG has not, through the date hereof,
taken or agreed to take any action that would prevent CNG from accounting for
the business combination to be effected by the Merger as a pooling-of-interests
in accordance with GAAP and applicable SEC regulations.

     Section 5.12 Opinion of Financial Advisor. CNG has received the opinion of
Merrill Lynch, Pierce, Fenner & Smith Incorporated dated the date hereof, to the
effect that,


                                      -17-
<PAGE>

as of the date hereof, the Conversion Ratio to be received by the holders of CNG
Common Stock is fair from a financial point of view to the holders of CNG Common
Stock.

     Section 5.13 Ownership of DRI Common Stock. CNG does not "beneficially own"
(as such term is defined in Rule 13d-3 under the Exchange Act) any shares of DRI
Common Stock.

     Section 5.14 CNG Rights Agreement. CNG shall take all necessary action with
respect to all of the outstanding rights to purchase common stock of CNG (the
"CNG Rights") issued pursuant to the Rights Agreement dated as of January 23,
1996 between CNG and First Chicago Trust Company of New York, as Rights Agent
(the "CNG Rights Agreement"), so that CNG, as of the time immediately prior to
the Effective Time, will have no obligations under the CNG Rights or the CNG
Rights Agreement, except for the payment of any redemption price, if required,
and so that the holders of the CNG Rights will have no rights under the CNG
Rights or the CNG Rights Agreement, except for the payment of any redemption
price, if required. The execution, delivery and performance of this Agreement
will not result in a distribution of, or otherwise, trigger, the CNG Rights
under the CNG Rights Agreement.

     Section 5.15 Anti-Takeover Provisions. None of the business combination
provisions of Section 203 of the Delaware General Corporation Law or the
certificate of incorporation or bylaws of CNG are applicable to the transactions
contemplated by this Agreement. No other "fair price," "moratorium," "control
share acquisition" or similar anti-takeover statute or regulation is applicable
to CNG, the Merger or any other transaction contemplated hereby.

     Section 5.16 Environmental Protection. Except as would not have,
individually or in the aggregate, a CNG Material Adverse Effect, (A) neither CNG
nor any of its subsidiaries is in violation of, or has received any written
notice that it is subject to liability under, any Environmental Laws, (B) CNG
and its subsidiaries have or have filed timely application for, all permits,
licenses, authorizations and approvals required under any applicable
Environmental Laws, all of which are in full force and effect, and are each in
compliance with their requirements, (C) there are no pending or, to the
knowledge of CNG, threatened administrative, regulatory or judicial actions,
suits, demands, demand letters, claims, liens, notices of noncompliance,
violation or potential responsibility or liability, investigation or proceedings
pursuant to any Environmental Law against CNG or any of its subsidiaries, or to
the knowledge of CNG, any of their respective predecessors-in-interest for which
CNG or any of its subsidiaries is or may be liable and (D) there are no past or
present events, conditions or circumstances which would reasonably be expected
to form the basis of an order or other requirement to conduct responsive or
corrective action, or an action, suit or proceeding by any private party or
governmental agency, against or affecting, or requiring capital or operating
expenditures by, CNG or any of its subsidiaries, in each case pursuant to any
Environmental Laws. 

                                      -18-
<PAGE>

     Section 5.17 Trading Position Risk Management. CNG has established a risk
management department which, from time to time, establishes risk parameters to
restrict the level of risk that CNG and its subsidiaries are authorized to take
with respect to the net position resulting from physical commodity transactions,
exchange traded futures and options and over-the-counter derivative instruments.
The risk management department of CNG regularly monitors the compliance by CNG
and its subsidiaries with such risk parameters.

     Section 5.18 Litigation. (i) There are no suits, actions or proceedings
pending or, to the best knowledge of CNG threatened against or affecting CNG or
any of its subsidiaries and (ii) there are no judgments, decrees, injunctions,
rules or orders of any court, governmental department, commission, agency,
instrumentality or authority or any arbitrator outstanding against CNG or any of
its subsidiaries that, in each case, individually or in the aggregate, would
have, or are reasonably likely to have, a CNG Material Adverse Effect.


                                   ARTICLE VI

                     CONDUCT OF BUSINESS PENDING THE MERGER

     DRI and CNG have each delivered to the other a budget for the years 1999
and 2000 (respectively, the "DRI Budget" and the "CNG Budget"), which DRI or
CNG, as the case may be, may update or otherwise modify in writing for purposes
of this Article VI only with the consent in writing of CNG or DRI, as the case
may be. After the date hereof and prior to the Effective Time or earlier
termination of this Agreement, each of DRI and CNG agrees as to itself and its
subsidiaries, except as expressly contemplated or permitted in this Agreement,
or to the extent the other party shall otherwise consent in writing, as follows:

     Section 6.1 Ordinary Course of Business. Each of DRI and CNG shall, and
each shall cause its respective subsidiaries to, carry on their respective
businesses in the usual, regular and ordinary course consistent with past
practice and use all commercially reasonable efforts to preserve intact their
present business organizations and goodwill, preserve the goodwill and
relationships with customers, suppliers and others having business dealings with
them , subject to prudent management of workforce needs and ongoing or planned
programs relating to downsizing, re-engineering and similar programs to the end
that their goodwill and ongoing businesses shall not be impaired in any material
respect at the Effective Time.

     Section 6.2 Dividends. Neither DRI nor CNG shall, nor shall either permit
any of its subsidiaries to: (a) declare or pay any dividends on or make other
distributions in respect of any of their capital stock other than (i) in the
case of subsidiaries, to such subsidiary's shareholders, (ii) regular dividends
on DRI Common Stock with usual record and payment dates not in excess of an
annual rate of $2.58 per share, and (iii) regular dividends on CNG Common Stock
with usual record and payment dates not in excess of an annual rate of $1.94 per
share; (b) split, combine or reclassify any of their capital stock or issue or
authorize


                                      -19-
<PAGE>

or propose the issuance of any other securities in respect of, in lieu of, or in
substitution for, shares of its capital stock; or (c) redeem, repurchase or
otherwise acquire any shares of their capital stock other than (but in all cases
subject to Section 6.12) (i) redemptions, repurchases and other acquisitions of
shares of capital stock in the ordinary course of business consistent with past
practice including, without limitation, repurchases, redemptions and other
acquisitions in connection with the administration of employee benefit and
dividend reinvestment plans as in effect on the date hereof in the ordinary
course of the operation of such plans, (ii) intercompany acquisitions of capital
stock, (iii) purchases under DRI's existing share repurchase program and (iv)
the redemption, if required, of the CNG Rights pursuant to the CNG Rights
Agreement.

     Section 6.3 Issuance of Securities. Except as provided in the DRI Budget or
the CNG Budget, as the case may be, neither DRI nor CNG shall, nor shall either
permit any of its subsidiaries to, issue, deliver or sell, or authorize or
propose the issuance, delivery or sale of, any shares of their capital stock of
any class or any securities convertible into or exchangeable for, or any rights,
warrants or options to acquire, any such shares or convertible or exchangeable
securities, other than (a) the issuance of common stock, stock options,
restricted stock or stock appreciation or similar rights pursuant to (i) the
existing Dominion Direct Investment, Incentive Compensation Plan, Directors'
Stock Compensation Plan, Directors' Stock Accumulation Plan, Directors' Deferred
Cash Compensation Plan, Executive Deferred Compensation Plan, Employee Savings
Plan, Subsidiary Savings Plan, Hourly Employee Savings Plan and other existing
plans and practices of DRI or (ii) the existing 1991 Stock Incentive Plan, 1997
Stock Incentive Plan, 1995 Employee Stock Incentive Plan, Non-Employee Directors
Restricted Stock Plan, Dividend Reinvestment Plan, Employee Stock Ownership Plan
and other existing plans and practices of CNG, in each case consistent in kind
and amount with past practice and in the ordinary course of business under such
plans substantially in accordance with their present terms, (b) the issuance by
a subsidiary of shares of its capital stock to its shareholders, (c) the
issuance or sale of treasury stock to satisfy the requirements to use the
pooling of interests method of accounting for the transaction, and (d) the
issuance by DRI of shares of its capital stock in connection with any
acquisition permitted pursuant to Section 6.5, except that such issuance by DRI
shall not exceed an aggregate value of $800,000,000 without the prior written
consent of CNG.

     Section 6.4 Charter Documents. Except as disclosed in Section 6.4 of the
DRI Disclosure Schedule or the CNG Disclosure Schedule, neither DRI nor CNG
shall amend or propose to amend its articles of incorporation or by-laws, except
as contemplated herein, in any way adverse to the other party. Notwithstanding
the foregoing, DRI may increase the number of authorized shares of DRI Common
Stock and may amend its articles of incorporation to eliminate the staggered
terms of its Board of Directors

     Section 6.5 Acquisitions. Except as disclosed in Section 6.5 of the DRI
Disclosure Schedule or the CNG Disclosure Schedule and except as provided in the
DRI Budget or the CNG Budget, as the case may be, neither DRI nor CNG shall, nor
shall either

                                      -20-
<PAGE>

permit any of its subsidiaries to, acquire or agree to acquire, by merging or
consolidating with, or by purchasing a substantial equity interest in or a
substantial 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 assets (i) which
would, in the case of either DRI and its subsidiaries or CNG and its
subsidiaries, require a vote of the shareholders of DRI or CNG, as the case may
be, or (ii) which would exceed $100,000,000 individually or $300,000,000 in the
aggregate (including, in each case, any recourse indebtedness assumed in
connection therewith) and which, in the case of CNG have not been approved in
writing by DRI, which approval shall not be unreasonably withheld, or in the
case of DRI, with respect to which DRI has not consulted with CNG or in the case
of non-energy industry related acquisitions in excess of $2,000,000,000 in the
aggregate, to which CNG has not consented, which consent shall not be
unreasonably withheld. Notwithstanding the foregoing, neither party shall
acquire any nuclear power facilities without the prior written consent of the
other party.

     Section 6.6 No Dispositions. Except as disclosed in Section 6.6 of the DRI
Disclosure Schedule or the CNG Disclosure Schedule, and other than (a)
dispositions not exceeding $100,000,000 individually or $300,000,000 in the
aggregate, in the case of, on the one hand, DRI and its subsidiaries and, on the
other hand, CNG and its subsidiaries, (b) as may be required by law to
consummate the transactions contemplated hereby, (c) in the ordinary course of
business consistent with past practices, or (d) in the case of CNG, as may be
approved in writing by DRI, which approval shall not be unreasonably withheld,
or, in the case of DRI, with respect to which DRI has consulted with CNG,
neither DRI nor CNG shall, nor shall either permit any of its subsidiaries to,
sell, lease, license, encumber or otherwise dispose of, any of its assets that
are material, individually or in the aggregate, to such party and its
subsidiaries taken as a whole.

     Section 6.7 Indebtedness. Except as disclosed in Section 6.7 of the DRI
Disclosure Schedule or the CNG Disclosure Schedule and except as provided in the
DRI Budget or the CNG Budget, as the case may be, neither DRI nor CNG shall, nor
shall either permit any of its subsidiaries to, incur or guarantee any
indebtedness (including any debt borrowed or guaranteed or otherwise assumed,
including, without limitation, the issuance of debt securities or warrants or
rights to acquire debt) other than (a) short-term indebtedness in the ordinary
course of business consistent with past practice, (b) long-term indebtedness in
connection with the refinancing of existing indebtedness either at its stated
maturity or at a lower cost of funds, (c) additional indebtedness aggregating in
any year not more than 110% of the amount provided therefor in the DRI Budget
with respect to DRI and its subsidiaries or in the CNG Budget with respect to
CNG and its subsidiaries, and (d) in the case of CNG, as may be approved in
writing by DRI, which approval shall not be unreasonably withheld, or, in the
case of DRI, with respect to which DRI has consulted with CNG.

     Section 6.8 Capital Expenditures. Except as disclosed in Section 6.8 of the
DRI Disclosure Schedule or the CNG Disclosure Schedule or as required by law,
neither DRI


                                      -21-
<PAGE>

nor CNG shall, nor shall either permit any of its subsidiaries to,
make any capital expenditures, other than (a) capital expenditures to repair or
replace facilities destroyed or damaged due to casualty or accident (whether or
not covered by insurance), (b) additional capital expenditures in any year of
not more than 110% of the amount provided therefor in the DRI Budget for that
year with respect to DRI and its subsidiaries and in the CNG Budget for that
year with respect to CNG and its subsidiaries, and (c) in the case of CNG, as
may be approved in writing by DRI, which approval shall not be unreasonably
withheld, or, in the case of DRI, with respect to which DRI has consulted with
CNG.

     Section 6.9 Compensation, Benefits. Except as disclosed in Section 6.9 of
the CNG Disclosure Schedule or the CNG Budget, CNG shall not, nor shall it
permit any of its subsidiaries to, (i) enter into, adopt or amend (except as may
be required by applicable law), or increase the amount or accelerate the payment
or vesting of any benefit or amount payable under, any employee benefit plan or
other contract, agreement, commitment, arrangement, plan or policy maintained
by, contributed to or entered into by such party or any of its subsidiaries, or
increase, or enter into any contract, agreement, commitment or arrangement to
increase in any manner, the compensation or fringe benefits, or otherwise to
extend, expand or enhance the engagement, employment or any related rights, of
any director, officer or other employee of such party or any of its
subsidiaries, except pursuant to binding legal commitments or as a result of
normal collective bargaining processes, and except for normal (including
incentive) increases, extensions, expansions, enhancements, amendments,
replacements or adoptions in the ordinary course of business consistent with
past practice that, in the aggregate, do not result in a material increase in
benefits or compensation expense to such party and its subsidiaries taken as a
whole or (ii) enter into or amend any employment, severance or special pay
arrangement with respect to termination of employment or other similar contract,
agreement or arrangement with any director or officer other than in the ordinary
course of business consistent with past practice.

     Section 6.10 1935 Act. None of the parties hereto shall, nor shall any such
party permit any of its Significant Subsidiaries to, except as required or
contemplated by this Agreement, engage in any activities that would cause a
change in its status, or that of its Significant Subsidiaries, under the 1935
Act.

     Section 6.11 Accounting. Neither DRI nor CNG shall, nor shall either permit
any of its subsidiaries to, make any changes in their accounting methods, except
as required by law, rule, regulation or GAAP.

     Section 6.12 Pooling. DRI and CNG shall use their respective best efforts,
and shall cause each of their respective subsidiaries to use its best efforts,
to take such actions as may be necessary to permit the parties to account for
the Merger, and shall not and shall not permit any of their respective
subsidiaries to, take any actions that would, or would, reasonably likely to,
prevent the parties from accounting for the Merger, as a pooling of interests in
accordance with GAAP and applicable SEC regulations.



                                      -22-
<PAGE>

     Section 6.13 Tax-Free Status. Neither DRI nor CNG shall, nor shall either
permit any of its subsidiaries to, take any actions that would, or would be
reasonably likely to, adversely affect the qualification of the Merger as a
transaction described in Section 368(a)(1)(A) of the Code .

     Section 6.14 Discharge of Liabilities. Neither DRI nor CNG shall pay,
discharge or satisfy any material claims, liabilities or obligations (absolute,
accrued, asserted or unasserted, contingent or otherwise), other than the
payment, discharge or satisfaction, in the ordinary course of business
consistent with past practice (which includes the payment of judgments and
settlements and the refinancing of existing indebtedness for borrowed money
either at its stated maturity or at a lower cost of funds) or in accordance with
their terms, of liabilities reflected or reserved against in, or contemplated
by, the most recent consolidated financial statements (or the notes thereto) of
such party included in such party's reports filed with the SEC, or incurred in
the ordinary course of business consistent with past practice or as disclosed in
Section 6.7 of the DRI Disclosure Schedule or the CNG Disclosure Schedule.

     Section 6.15 Cooperation, Notification. Each of DRI and CNG shall: (a)
confer on a regular and frequent basis with one or more representatives of the
other to discuss the general status of its ongoing operations; (b) promptly
notify the other of any significant changes in its business, properties, assets,
condition (financial or other), prospects or results of operations; (c) advise
the other of any change or event that has had or, insofar as reasonably can be
foreseen, is reasonably likely to result in, a DRI Material Adverse Effect or a
CNG Material Adverse Effect, as the case may be; and (d) promptly provide the
other with copies of all filings made by it or any of its subsidiaries with any
state or federal court, administrative agency, commission or other Governmental
Authority in connection with this Agreement and the transactions contemplated
hereby.

     Section 6.16 Rate Matters. Other than currently pending rate filings, each
of DRI and CNG shall, and shall cause its subsidiaries to, discuss with the
other any changes in its or its subsidiaries' regulated rates or charges (other
than fuel and gas rates or charges), standards of service or accounting from
those in effect on the date hereof and consult with the other prior to making
any filing (or any amendment thereto), or effecting any agreement, commitment,
arrangement or consent, whether written or oral, formal or informal, with
respect thereto, and neither DRI nor CNG shall make any filing to change its
rates on file with any state regulatory authority or the FERC that would have a
material adverse effect on the benefits associated with the Merger.

     Section 6.17 Third-Party Consents. DRI shall, and shall cause its
subsidiaries to, use all commercially reasonable efforts to obtain all DRI
Required Consents. DRI shall promptly notify CNG of any failure or anticipated
failure to obtain any such consents and, if requested by CNG, shall provide
copies of all DRI Required Consents obtained by DRI to CNG. CNG shall, and shall
cause its subsidiaries to, use all commercially reasonable efforts to obtain all
CNG Required Consents. CNG shall promptly notify DRI of any failure or

                                      -23-
<PAGE>

anticipated failure to obtain any such consents and, if requested by DRI, shall
provide copies of all CNG Required Consents obtained by CNG to DRI.

     Section 6.18 No Breach, Etc. No party shall, nor shall any party permit any
of its subsidiaries to, take any action that would or is reasonably likely to
result in a material breach of any provision of this Agreement or in any of its
representations and warranties set forth in this Agreement being untrue on and
as of the Closing Date.

     Section 6.19 Tax-Exempt Status. No party hereto shall, nor shall any party
permit any subsidiary to, take any action that would likely jeopardize the
qualification of the outstanding revenue bonds issued for the benefit of DRI (or
any subsidiary thereof) or for the benefit of CNG (or any subsidiary thereof)
that qualify on the date hereof under Section 142(a) of the Code as "exempt
facility bonds" or as tax-exempt industrial development bonds under Section
103(b)(4) of the Internal Revenue Code of 1954, as amended prior to the Tax
Reform Act of 1986.

     Section 6.20 Transition Management. (a) DRI and CNG shall create a special
transition management task force (the "Task Force") to be headed by Thomas E.
Capps, Chairman and Chief Executive Officer of DRI, and in addition, to consist
of two members nominated by CNG and two additional members nominated by DRI. The
Task Force shall report its findings to the Board of Directors of each of DRI
and CNG.

     (b) The functions of the Task Force shall include (i) serving as a conduit
for the flow of information and documents between DRI and CNG as contemplated by
Section 6.15, (ii) development of transition plans, corporate organizational and
management plans, workforce combination proposals, and such other matters as may
be appropriate and (iii) otherwise assisting DRI and CNG in making an orderly
transition.

     Section 6.21 Insurance. Each of DRI and CNG shall, and shall cause its
subsidiaries to, maintain with financially responsible insurance companies
insurance in such amounts and against such risks and losses as are customary for
companies engaged in their respective industries, taking into account, in the
case of DRI, DRI's methods of generating electric power and fuel sources.

     Section 6.22 Permits. Each party shall, and shall cause its subsidiaries
to, use commercially reasonable efforts to maintain in effect all existing
Permits (as defined in Section 4.4) pursuant to which such party or such party's
subsidiaries operate.


                                      -24-
<PAGE>

                                   ARTICLE VII

                              ADDITIONAL AGREEMENTS

     Section 7.1 Access to Information. Upon reasonable notice and during normal
business hours, each party shall, and shall cause its subsidiaries to, afford to
the officers, directors, employees, accountants, counsel, investment banker,
financial advisor and other representatives of the other (collectively,
"Representatives") reasonable access, during normal business hours throughout
the period prior to the Effective Time, to all of its properties, books,
contracts, commitments and records (including, but not limited to, tax returns)
and, during such period, each party shall, and shall cause its subsidiaries to,
furnish promptly to the other (i) a copy of each reasonably available report,
schedule and other document filed or received by it or any of its subsidiaries
pursuant to the requirements of federal or state securities laws or filed with
the SEC, the FERC, the NRC, the Department of Justice, the Federal Trade
Commission, or any other federal or any state regulatory agency or commission,
and (ii) all information concerning themselves, their subsidiaries, directors,
officers and shareholders and such matters as may be reasonably requested by the
other party in connection with any filings, applications or approvals required
or contemplated by this Agreement. All documents and information furnished
pursuant to this Section 7.1 shall be subject to the Confidentiality Agreement
between the parties (the "Confidentiality Agreement"). The party requesting
copies of any documents from any other party hereto shall be responsible for all
out-of-pocket expenses incurred by the party to whom such request is made in
complying with such request, including any cost of reproducing and delivering
any required information.

     Section 7.2 Joint Proxy Statement and Registration Statement.

     (a) Preparation and Filing. As promptly as reasonably practicable after the
date hereof, DRI shall, in consultation with CNG, prepare and file with the SEC
the Registration Statement and the Joint Proxy Statement/Prospectus (together
the "Joint Proxy/Registration Statement"). DRI shall take such actions as may be
reasonably required to cause the Registration Statement to be declared effective
under the Securities Act as promptly as practicable after such filing and shall
also take such action as may be reasonably required to cause the shares of DRI
Common Stock issuable in connection with the Merger to be registered or to
obtain an exemption from registration under applicable state "blue sky" or
securities laws. Each of the parties shall furnish all information concerning
itself that is required or customary for inclusion in the Joint
Proxy/Registration Statement. No representation, covenant or agreement contained
in this Agreement is made by any party hereto with respect to information
supplied by any other party hereto for inclusion in the Joint Proxy/Registration
Statement. The parties shall take such actions as may be reasonably required to
cause Joint Proxy/Registration Statement to comply as to form in all material
respects with the Securities Act, the Exchange Act and the 1935 Act and the
rules and regulations thereunder. DRI shall take such action as may be
reasonably required to cause the shares of DRI Common Stock to be issued in the
Merger to be approved for listing on the 


                                      -25-
<PAGE>

NYSE and any other stock exchanges agreed to by the parties, each upon official
notice of issuance.

     (b) Letter of DRI's Accountants. DRI shall use best efforts to cause to be
delivered to DRI and CNG letters of Deloitte & Touche LLP, one dated a date
within two (2) business days before the effective date of the Registration
Statement and one dated the Closing Date, and addressed to DRI and CNG, in form
and substance reasonably satisfactory to DRI and CNG and customary in scope and
substance for "cold comfort" letters delivered by independent public accountants
in connection with registration statements and proxy statements similar to the
Joint Proxy/Registration Statement.

     (c) Letter of CNG's Accountants. CNG shall use best efforts to cause to be
delivered to CNG and DRI letters of PricewaterhouseCoopers LLP, one dated a date
within two (2) business days before the effective date of the Registration
Statement and one dated the Closing Date, and addressed to CNG and DRI, in form
and substance satisfactory to CNG and DRI and customary in scope and substance
for "cold comfort" letters delivered by independent public accountants in
connection with registration statements and proxy statements similar to the
Joint Proxy/Registration Statement.

     Section 7.3 Regulatory Matters.

     (a) HSR Filings. Each party hereto shall file or cause to be filed with the
Federal Trade Commission and the Department of Justice any notifications
required to be filed by them or their respective "ultimate parent" companies
under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the
"HSR Act"), and the rules and regulations promulgated thereunder with respect to
the transactions contemplated hereby. Such parties will use all commercially
reasonable efforts to make such filings promptly and shall respond promptly to
any requests for additional information made by either of such agencies.

     (b) Other Regulatory Approvals. Each party hereto shall cooperate and use
its best efforts to promptly prepare and file all necessary documentation, to
effect all necessary applications, notices, petitions, filings and other
documents, and to use all commercially reasonable efforts to obtain all
necessary permits, consents, approvals and authorizations of all Governmental
Authorities and all other persons necessary or advisable to consummate the
transactions contemplated by this Agreement, including, without limitation, the
DRI Required Statutory Approvals and the CNG Required Statutory Approvals. CNG
shall have the right to review and approve in advance all characterizations of
the information relating to CNG, on the one hand, and DRI shall have the right
to review and approve in advance all characterizations of the information
relating to DRI, on the other hand, in either case, which appear in any filing
made in connection with the transactions contemplated by this Agreement or the
Merger, such approvals not to be unreasonably withheld. DRI and CNG shall each
consult with the other with respect to the obtaining of all such necessary or
advisable permits, consents,


                                      -26-
<PAGE>

approvals and authorizations of Governmental Authorities and shall keep each
other informed of the status thereof.

     Section 7.4 Shareholder Approvals.

     (a) Approval of CNG Shareholders. CNG shall, as promptly as reasonably
practicable after the date hereof (i) take all steps reasonably necessary to
call, give notice of, convene and hold a special meeting of its shareholders
(the "CNG Special Meeting") for the purpose of securing the CNG Shareholders'
Approval, (ii) distribute to its shareholders the Joint Proxy
Statement/Prospectus in accordance with applicable federal and state law and
with its certificate of incorporation and bylaws, (iii) recommend to its
shareholders that they give the CNG Shareholders' Approval (provided that
nothing contained in this Section 7.4 shall require the Board of Directors of
CNG to take any action or refrain from taking any action that such Board
determines in good faith and with the advice of counsel as set forth in a
written, reasoned opinion would result in a breach of its fiduciary duties under
applicable law), and (iv) cooperate and consult with DRI with respect to each of
the foregoing matters.

     (b) Approval of DRI Shareholders. DRI shall, as promptly as reasonably
practicable after the date hereof (i) take all steps reasonably necessary to
call, give notice of, convene and hold a special meeting of its shareholders
(the "DRI Special Meeting") for the purpose of securing the DRI Shareholders'
Approval, (ii) distribute to its shareholders the Joint Proxy
Statement/Prospectus in accordance with applicable federal and state law and its
articles of incorporation and bylaws, (iii) recommend to its shareholders that
they give the DRI Shareholders' Approval (provided that nothing contained in
this Section 7.4 shall require the Board of Directors of DRI to take any action
or refrain from taking any action that such Board determines in good faith and
with the advice of counsel as set forth in a written, reasoned opinion would
result in a breach of its fiduciary duties under applicable law), and (iv)
cooperate and consult with CNG with respect to each of the foregoing matters.

     (c) Meeting Date. The DRI Special Meeting and the CNG Special Meeting shall
be held on the same day unless otherwise agreed by DRI and CNG.

     Section 7.5 Directors' and Officers' Indemnification.

     (a) Indemnification. To the extent, if any, not provided by an existing
right of indemnification or other agreement or policy, from and after the
Effective Time, DRI shall, to the fullest extent provided by CNG prior to the
Closing and not prohibited by applicable law, indemnify, defend and hold
harmless the present and former directors, officers and management employees of
CNG and its subsidiaries (each an "Indemnified Party" and, collectively, the
"Indemnified Parties") against (i) all losses, expenses (including reasonable
attorneys' fees and expenses), claims, damages, costs, liabilities, judgments or
(subject to the proviso of the next succeeding sentence) amounts that are paid
in settlement of or in connection with any claim, action, suit, proceeding or
investigation based in whole or in part


                                      -27-
<PAGE>

on or arising in whole or in part out of the fact that such person is or was a
director, officer or management employee of CNG or any subsidiary thereof,
whether pertaining to any matter existing or occurring at or prior to or after
the Effective Time and whether asserted or claimed prior to, at or after the
Effective Time and (ii) all liabilities based in whole or in part on, or arising
in whole or in part out of, or pertaining to this Agreement or the transactions
contemplated hereby. In the event of any such loss, expense, claim, damage,
cost, liability, judgment or settlement (whether or not arising before the
Effective Time), (x) DRI shall pay the reasonable fees and expenses of counsel
selected by the Indemnified Parties, which counsel shall be reasonably
satisfactory to DRI, promptly after statements therefor are received, and
otherwise advance to the Indemnified Parties upon request reimbursement of
documented expenses reasonably incurred, in either case, to the extent not
prohibited by the laws of the Commonwealth of Virginia, (y) DRI shall cooperate
in the defense of any such matter and (z) any determination required to be made
with respect to whether an Indemnified Party's conduct complies with the
standards under applicable law or as set forth in DRI's articles of
incorporation or bylaws shall be made by independent counsel mutually acceptable
to DRI and the Indemnified Party; provided, however, that DRI shall not be
liable for any settlement effected without its written consent (which consent
shall not be unreasonably withheld or delayed). The Indemnified Parties as a
group may retain only one law firm (other than local counsel) with respect to
each related matter except to the extent there is, in the sole opinion of
counsel to an Indemnified Party, under applicable standards of professional
conduct, a conflict on any significant issue between positions of any two or
more Indemnified Parties, in which case each Indemnified Party with a
conflicting position on a significant issue shall be entitled to separate
counsel. In the event any Indemnified Party is required to bring any action to
enforce rights or to collect moneys due under this Agreement and is successful
in such action, DRI shall reimburse such Indemnified Party for all of its
expenses in bringing and pursuing such action. Each Indemnified Party shall be
entitled to the advancement of expenses to the full extent contemplated in this
Section 7.5(a) in connection with any such action.

     (b) Insurance. For a period of six (6) years after the Effective Time, DRI
shall cause to be maintained in effect the policies of directors' and officers'
liability insurance maintained by CNG; provided that DRI may substitute therefor
policies of at least the same coverage containing terms that are no less
advantageous with respect to matters occurring at or prior to the Effective Time
to the extent such liability insurance can be maintained annually at a cost to
DRI not greater than 200% of the current annual premiums for the policies
currently maintained by CNG for its directors' and officers' liability
insurance; provided further, that if such insurance cannot be so maintained or
obtained at such cost, DRI shall maintain or obtain as much of such insurance
for CNG as can be so maintained or obtained at a cost equal to 200% of the
respective current annual premiums of CNG for its directors' and officers'
liability insurance and other indemnity agreements.

     (c) Successors. In the event DRI 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) transfers all or substantially all of


                                      -28-
<PAGE>

its properties and assets to any person, then and in either such case, proper
provision shall be made so that the successors and assigns of DRI shall assume
the obligations set forth in this Section 7.5.

     (d) Survival of Indemnification. To the fullest extent not prohibited by
law, from and after the Effective Time, all rights to indemnification now
existing in favor of the employees, agents, directors or officers of CNG and its
subsidiaries with respect to their activities as such prior to or at the
Effective Time, as provided in their respective articles of incorporation or
bylaws or indemnification agreements in effect on the date of such activities or
otherwise in effect on the date hereof, shall survive the Merger and shall
continue in full force and effect for a period of not less than six (6) years
from the Effective Time.

     Section 7.6 Disclosure Schedules. On or before the date of this Agreement,
(i) CNG has delivered to DRI a schedule (the "CNG Disclosure Schedule")
accompanied by a certificate signed by the chief financial officer of CNG
stating that the CNG Disclosure Schedule is being delivered pursuant to this
Section 7.6(i) and (ii) DRI has delivered to CNG a schedule (the "DRI Disclosure
Schedule") accompanied by a certificate signed by the chief financial officer of
DRI stating that the DRI Disclosure Schedule is being delivered pursuant to this
Section 7.6(ii). The CNG Disclosure Schedule and the DRI Disclosure Schedule are
collectively referred to herein as the "Disclosure Schedules". The Disclosure
Schedules constitute an integral part of this Agreement and modify the
respective representations, warranties, covenants or agreements of the parties
hereto contained herein to the extent that such representations, warranties,
covenants or agreements expressly refer to the Disclosure Schedules. Any and all
statements, representations, warranties or disclosures set forth in the
Disclosure Schedules shall be deemed to have been made on and as of the date of
this Agreement.

     Section 7.7 Public Announcements. DRI and CNG shall cooperate with each
other in the development and distribution of all news releases and other public
information disclosures with respect to this Agreement or any of the
transactions contemplated hereby and, subject to each party's disclosure
obligations imposed by law or any applicable national securities exchange, shall
not issue any public announcement or statement prior to consultation with the
other party.

     Section 7.8 Rule 145 Affiliates. (a) Prior to the Closing Date, CNG shall
identify in a letter to DRI all persons who are, at the Closing Date,
"affiliates" of CNG, as such term is used in Rule 145 under the Securities Act.
CNG shall use its best efforts to cause its affiliates to deliver to DRI on or
prior to the Closing Date a written agreement substantially in the form attached
as Exhibit A.

     (b) Prior to the Closing Date, DRI shall identify in a letter to CNG all
persons who are at the Closing Date, "affiliates" of DRI, as such term is used
in Rule 145 under the 


                                      -29-
<PAGE>

Securities Act. DRI shall use its best efforts to cause its affiliates to
deliver to CNG on or prior to the Closing Date a written agreement substantially
in the form attached as Exhibit B.

     Section 7.9 Certain Employee Agreements. (a) Subject to Section 7.10, DRI
and its subsidiaries shall honor, without modification, all contracts,
agreements, collective bargaining agreements and commitments of CNG that apply
to any current or former employees or current or former directors of CNG;
provided, however, that this undertaking is not intended to prevent DRI from
enforcing such contracts, agreements, collective bargaining agreements and
commitments in accordance with their terms or from exercising any right to
amend, modify, suspend, revoke or terminate any such contract, agreement,
collective bargaining agreement or commitment.

     (b) Before undertaking any reductions in workforce following the Effective
Time, DRI will consider whether such reductions have a disproportionate effect
on employees of CNG and its subsidiaries in light of the circumstances and the
objectives to be achieved and the needs of the combined businesses of DRI and
CNG.

     (c) Subject to applicable law and obligations under applicable collective
bargaining agreements, DRI shall maintain for a period of at least two (2) years
after the Closing Date, without interruption, such employee compensation,
welfare and benefit plans, programs, policies and fringe benefits as will, in
the aggregate, provide benefits to the employees or former employees of CNG and
its subsidiaries, respectively, who were employees immediately prior to the
Closing Date that are no less favorable than those provided pursuant to such
employee compensation, welfare and benefit plans, programs, policies and fringe
benefits of CNG and its subsidiaries, as in effect on the Closing Date.

     Section 7.10 Incentive, Stock and Other Plans. With respect to each of
CNG's 1991 Stock Incentive Plan, 1997 Stock Incentive Plan, 1995 Employee Stock
Incentive Plan, Non-Employee Directors Restricted Stock Plan and Employee Stock
Ownership Plan and each other employee benefit plan, program or arrangement
under which the delivery of CNG Common Stock is required to be used for purposes
of the payment of benefits, grant of awards or exercise of options (each a
"Stock Plan"), at the election of DRI, either (A) (i) DRI and CNG shall take
such action as may be necessary so that, after the Effective Time, such Stock
Plan shall provide for the issuance only of DRI Common Stock and, with respect
to outstanding options and/or awards, provide that the holder thereof shall be
entitled to a number of shares of DRI Common Stock equal to the number such
holder would have received if such option or award had been exercised prior to
the Effective Date with appropriate adjustments to the exercise price and (ii)
DRI shall (x) take all corporate action necessary or appropriate to obtain
shareholder approval with respect to such Stock Plan to the extent such approval
is required for purposes of the Code or other applicable law, or, to the extent
DRI deems it desirable, to enable such Stock Plan to comply with Rule 16b-3
promulgated under the Exchange Act, (y) reserve for issuance under such Stock
Plan or otherwise provide a sufficient number of shares of DRI Common Stock for
delivery upon payment of benefits, grants of


                                      -30-
<PAGE>

awards or exercise of options under such Stock Plan and (z) as soon as
practicable after the Effective Time, file one or more registration statements
under the Securities Act with respect to the shares of DRI Common Stock subject
to such Stock Plan to the extent such filing is required under applicable law
and use its best efforts to maintain the effectiveness of such registration
statement(s) (and the current status of the prospectuses contained therein or
related thereto) so long as such benefits, grants or awards remain payable or
such options remain outstanding, as the case may be, or (B) DRI and CNG shall
use their respective best efforts to take such action as may be necessary so
that, at the Effective Time, all benefits, grants of awards and options are
converted to the right to receive at the Effective Time a number of shares of
DRI Common Stock having a value equal to the fair value of each such benefit,
grant of award or option as determined in good faith by DRI, and based on the
closing sales price of DRI Common Stock as reported under "NYSE Composit
Transaction Reports" in The Wall Street Journal on the day immediately prior to
the Effective Time. With respect to those individuals who subsequent to the
Merger will be subject to the reporting requirements under Section 16(a) of the
Exchange Act, DRI shall administer the Stock Plans, where applicable, in a
manner that complies with Rule 16b-3 under the Exchange Act. DRI shall obtain
any shareholder approvals that may be necessary for the deduction of any
compensation payable under any Stock Plan or other compensation arrangement.

     Section 7.11 No Solicitations. No party hereto shall, and each such party
shall cause its subsidiaries not to, permit any of its Representatives to, and
shall use its best efforts to cause such persons not to, directly or indirectly,
initiate, solicit or encourage, or take any action to facilitate the making of
any offer or proposal that constitutes or is reasonably likely to lead to any
Takeover Proposal (as defined below), or, in the event of any unsolicited
Takeover Proposal, engage in negotiations or provide any confidential
information or data to any person relating to any Takeover Proposal. Each party
shall notify the other orally and in writing of any such inquiries, offers or
proposals (including, without limitation, the terms and conditions of any such
proposal and the identity of the person making it) within 24 hours of the
receipt thereof and shall give the other five (5) days' advance notice of any
agreement to be entered into with or any information to be supplied to any
person making such inquiry, offer or proposal. Each party hereto shall
immediately cease and cause to be terminated all existing discussions and
negotiations, if any, with any other persons conducted heretofore with respect
to any Takeover Proposal. Notwithstanding anything in this Section 7.11 to the
contrary, in the event of an unsolicited Takeover Proposal, unless the DRI
Shareholders' Approval and the CNG Shareholders' Approval have both been
obtained, DRI or CNG may participate in discussions or negotiations with,
furnish information to, and afford access to the properties, books and records
of such party and its subsidiaries to any person in connection with a possible
Takeover Proposal with respect to such party by such person, if and to the
extent that (A) the Board of Directors of such party has reasonably concluded in
good faith (after consultation with its financial advisors) that the person or
group making the Takeover Proposal will have adequate sources of financing to
consummate the Takeover Proposal and that the Takeover Proposal is more
favorable to such party's shareholders than the Merger, (B) the Board of
Directors of such party is advised in a written, reasoned opinion of outside
counsel that a 


                                      -31-
<PAGE>

failure to do so would result in a breach of its fiduciary duties under
applicable law and (C) such party has entered into a confidentiality agreement
with the person or group making the Takeover Proposal containing terms and
conditions no less favorable to such party than the Confidentiality Agreement.
As used in this Section 7.11, "Takeover Proposal" shall mean any tender or
exchange offer, proposal for a merger, consolidation or other business
combination involving any party or any of its material subsidiaries, or any
proposal or offer to acquire in any manner a substantial equity interest in, or
a substantial portion of the assets of, any party or any of its material
subsidiaries, other than pursuant to the transactions contemplated by this
Agreement.

     Section 7.12 DRI Board of Directors. The DRI Board of Directors will take
such action as may be necessary to cause the number of directors comprising the
full Board of Directors of DRI at the Effective Time to be seventeen persons,
ten of whom shall be designated by DRI prior to the Effective Time and seven of
whom shall be designated by CNG prior to the Effective Time, to be divided as
equally as possible among classes of directors if, at the Effective Time, DRI
has a staggered Board of Directors. The Board of Directors of DRI will have at
least three committees consisting of an audit committee, an organization,
compensation and nominating committee and a finance committee and such other
committees as the Board of Directors of DRI may determine is appropriate under
the circumstances. The finance committee will be chaired by a director nominated
by CNG. In addition, CNG will have a proportionate number of representatives on
each committee. Further, if the Closing Date occurs prior to August 1, 2000 and
if George A. Davidson, Jr. is then Chairman of the CNG Board of Directors, he
shall be Chairman of the DRI Board of Directors from the Closing Date to August
1, 2000 and Thomas E. Capps shall be Vice Chairman of the DRI Board of
Directors. If, George A. Davidson, Jr. does not become Chairman of the DRI Board
of Directors pursuant to the preceding sentence, Thomas E. Capps shall continue
as Chairman of the DRI Board of Directors. If George A. Davidson, Jr. becomes
Chairman of the DRI Board of Directors, Thomas E. Capps shall reassume his
position as Chairman of the DRI Board of Directors upon the earlier of George A.
Davidson, Jr.'s retirement or August 1, 2000.

     Section 7.13 Corporate Offices. Following the Effective Time, DRI shall
maintain its corporate offices in Richmond, Virginia but shall continue to
maintain a significant operating office in Pittsburgh, Pennsylvania.

     Section 7.14 Expenses. Subject to Section 7.1 and Section 9.3, all costs
and expenses incurred in connection with this Agreement and the transactions
contemplated hereby shall be paid by the party incurring such expenses, except
that those expenses incurred in connection with printing the Joint
Proxy/Registration Statement, as well as the filing fee relating thereto, shall
be shared equally by DRI, on the one hand, and CNG, on the other hand.



                                      -32-
<PAGE>

     Section 7.15 Community Support. DRI acknowledges that after the Effective
Time, it intends to provide charitable contributions and community support
within the service areas of the parties and their respective subsidiaries at
levels consistent with past practice.

     Section 7.16 Further Assurances.

     (a) Each of CNG and DRI shall, and shall cause its subsidiaries to, execute
such further documents and instruments and take such further actions as may
reasonably be requested by the other in order to consummate the Merger and other
transactions contemplated by this Agreement, and to use its best efforts to take
or cause to be taken all actions, and to do or cause to be done all things,
necessary, proper or advisable under applicable laws and regulations to
consummate and make effective the Merger and the other transactions contemplated
hereby (subject to the votes of its shareholders described in Sections 4.10 and
5.10, respectively), including fully cooperating with the other in obtaining the
CNG Required Statutory Approvals, the DRI Required Statutory Approvals and all
other approvals and authorizations of any Governmental Authorities necessary or
advisable to consummate the transactions contemplated hereby.

     (b) CNG and DRI shall be responsible for the taking of any action necessary
or advisable to obtain the CNG Required Statutory Approvals and to obtain the
DRI Required Statutory Approvals, respectively. CNG and DRI agree to cooperate
in obtaining the necessary approvals from the NRC, the FERC and the SEC under
the 1935 Act, the Securities Act and the Exchange Act and from the applicable
state authorities. CNG and DRI shall each provide the other with copies of any
filings made with any Governmental Authorities in connection with the foregoing.


                                  ARTICLE VIII

                                   CONDITIONS

     Section 8.1 Conditions to Each Party's Obligation to Effect the Merger. The
respective obligations of each party to effect the Merger shall be subject to
the satisfaction on or prior to the Closing Date of the following conditions,
except, to the extent permitted by applicable law, that such conditions may be
waived in writing pursuant to Section 9.5:

     (a) Shareholder Approvals. The CNG Shareholders' Approval and the DRI
Shareholders' Approval shall have been obtained.

     (b) No Injunction. No temporary restraining order or preliminary or
permanent injunction or other order by any federal or state court preventing
consummation of the Merger shall have been issued and continuing in effect, and
the Merger and the other


                                      -33-
<PAGE>

transactions contemplated hereby shall not have been prohibited under any
applicable federal or state law or regulation.

     (c) Registration Statement. The Registration Statement shall have become
effective in accordance with the provisions of the Securities Act, and no stop
order suspending such effectiveness shall have been issued and remain in effect.

     (d) Listing of Shares. The shares of DRI Common Stock issuable in the
Merger pursuant to Article II shall have been approved for listing on the NYSE,
subject to official notice of issuance.

     (e) Pooling. Each of DRI and CNG shall have received letters of its
independent public accountants, one dated the date the Registration Statement is
declared effective and the other dated the Closing Date, in form and substance
reasonably satisfactory to CNG and DRI, respectively, stating that the Merger
will qualify as a pooling-of-interests transaction under GAAP and applicable SEC
regulations.

     (f) Statutory Approvals. The DRI Required Statutory Approvals and the CNG
Required Statutory Approvals shall have been obtained at or prior to the
Effective Time, such approvals shall have become Final Orders (as hereinafter
defined), and no Final Order shall impose terms or conditions that would have,
or would be reasonably likely to have a material adverse effect on the business,
operations, properties, assets, condition (financial or otherwise), prospects or
results of operations of DRI and CNG and their subsidiaries on a consolidated
basis as if the Merger had been consummated (but without giving effect to the
impact of such material adverse effect). A "Final Order" means action by the
relevant regulatory authority that has not been reversed, stayed, enjoined, set
aside, annulled or suspended, with respect to which any waiting period
prescribed by law before the transactions contemplated hereby may be consummated
has expired, and as to which all conditions to the consummation of such
transactions prescribed by law, regulation or order have been satisfied, and as
to which all opportunities for rehearing are exhausted (whether or not any
appeal thereof is pending).

     Section 8.2 Conditions to Obligation of CNG to Effect the Merger. The
obligation of CNG to effect the Merger shall be further subject to the
satisfaction, on or prior to the Closing Date, of the following conditions,
except as may be waived by CNG in writing pursuant to Section 9.5:

     (a) Performance of Obligations of DRI. DRI shall have performed in all
material respects its agreements and covenants contained in or contemplated by
this Agreement required to be performed by it at or prior to the Effective Time.

     (b) Representations and Warranties. The representations and warranties of
DRI set forth in this Agreement shall be true and correct as of the date hereof
and as of the


                                      -34-
<PAGE>

Closing Date as if made on and as of the Closing Date, except as otherwise
contemplated by this Agreement, except for such failures of representations or
warranties to be true and correct (without giving effect to any materiality
qualification or standard contained in any such representation or warranties)
which, individually or in the aggregate, would not be reasonably likely to
result in a DRI Material Adverse Effect.

     (c) Closing Certificates. CNG shall have received a certificate signed by
the Chief Executive Officer and Chief Financial Officer of DRI, dated the
Closing Date, to the effect that, to the best of each such officer's knowledge,
the conditions set forth in Section 8.2(a) and Section 8.2(b) have been
satisfied.

     (d) DRI Material Adverse Effect. No DRI Material Adverse Effect shall have
occurred and there shall exist no fact or circumstance that would have, or would
be reasonably likely to have, a DRI Material Adverse Effect.

     (e) Tax Opinion. CNG shall have received an opinion of counsel, in form and
substance satisfactory to CNG, dated the Closing Date, which opinion may be
based on appropriate representations of DRI and CNG that are in form and
substance reasonably satisfactory to such counsel, to the effect that the Merger
will be treated as a non-taxable transaction described in Section 368(a)(1)(A)
of the Code and that no gain or loss will be recognized by the stockholders of
CNG who exchange CNG Common Stock solely for DRI Common Stock pursuant to the
Merger (except with respect to cash received in lieu of fractional shares).

     (f) DRI  Required  Consents.  The DRI  Required  Consents  shall  have been
obtained.

     Section 8.3 Conditions to Obligation of DRI to Effect the Merger. The
obligation of DRI to effect the Merger shall be further subject to the
satisfaction, on or prior to the Closing Date, of the following conditions,
except as may be waived by DRI in writing pursuant to Section 9.5:

     (a) Performance of Obligations of CNG. CNG shall have performed in all
material respects its agreements and covenants contained in or contemplated by
this Agreement required to be performed by it at or prior to the Effective Time.

     (b) Representations and Warranties. The representations and warranties of
CNG set forth in this Agreement shall be true and correct in all material
respects as of the date hereof and as of the Closing Date as if made on and as
of the Closing Date, except as otherwise contemplated by this Agreement, except
for such failures of representations or warranties to be true and correct
(without giving effect to any materiality qualification or standard contained in
any such representations or warranties) which, individually or in the aggregate,
would not be reasonably likely to result in a CNG Material Adverse Effect. 


                                      -35-
<PAGE>

     (c) Closing Certificates. DRI shall have received a certificate signed by
the Chief Executive Officer and Chief Financial Officer of CNG, dated the
Closing Date, to the effect that, to the best of each such officer's knowledge,
the conditions set forth in Section 8.3(a) and Section 8.3(b) have been
satisfied.

     (d) CNG Material Adverse Effect. No CNG Material Adverse Effect shall have
occurred and there shall exist no fact or circumstance that would have, or would
be reasonably likely to have, a CNG Material Adverse Effect.

     (e) Tax Opinion. DRI shall have received an opinion of counsel, in form and
substance satisfactory to DRI, dated the Closing Date, which opinion may be
based on appropriate representations of DRI and CNG that are in form and
substance reasonably satisfactory to such counsel, to the effect that the Merger
will be treated as a non-taxable transaction described in Section 368(a)(1)(A)
of the Code.

     (f) CNG Required Consents. The CNG Required Consents shall have been
obtained.


                                   ARTICLE IX

                        TERMINATION, AMENDMENT AND WAIVER

     Section 9.1 Termination. This Agreement may be terminated at any time prior
to the Closing Date, whether before or after approval by the shareholders of the
respective parties hereto contemplated by this Agreement:

     (a) by mutual written consent of the Boards of Directors of DRI and CNG;

     (b) by DRI or CNG, by written notice to the other, if the Effective Time
shall not have occurred on or before January 31, 2000; provided, however, that
such date shall automatically be extended to July 31, 2000 if, on January 31,
2000: (i) the condition set forth in Section 8.1(f) has not been satisfied or
waived; (ii) the other conditions to the consummation of the transactions
contemplated hereby are then capable of being satisfied; and (iii) any approvals
required by Section 8.1(f) that have not yet been obtained are being pursued
with diligence; provided further, that the right to terminate this Agreement
under this Section 9.1(b) shall not be available to any party whose failure to
fulfill any obligation under this Agreement has been the cause of, or resulted
in, the failure of the Effective Time to occur on or before the termination
date;

     (c) by DRI or CNG, by written notice to the other party, if the DRI
Shareholders' Approval shall not have been obtained at a duly held DRI Special
Meeting, 


                                      -36-
<PAGE>

including any adjournments thereof, or the CNG Shareholders' Approval shall not
have been obtained at a duly held CNG Special Meeting, including any
adjournments thereof;

     (d) by DRI or CNG, if any state or federal law, order, rule or regulation
is adopted or issued, that has the effect, as supported by the written, reasoned
opinion of outside counsel for such party, of prohibiting the Merger or causing
a DRI Material Adverse Effect or CNG Material Adverse Effect, or if any court of
competent jurisdiction in the United States or any State shall have issued an
order, judgment or decree permanently restraining, enjoining or otherwise
prohibiting the Merger or causing a DRI Material Adverse Effect or CNG Material
Adverse Effect, and such order, judgment or decree shall have become final and
nonappealable;

     (e) by CNG, upon two (2) days' prior notice to DRI, if, as a result of a
tender offer by a party other than DRI or any of its affiliates or any written
offer or proposal with respect to a merger, sale of a material portion of its
assets or other business combination (each, a "Business Combination") by a party
other than DRI or any of its affiliates, the Board of Directors of CNG
determines in good faith that the fiduciary obligations of such directors under
applicable law require that such tender offer or other written offer or proposal
be accepted; provided, however, that (i) (A) the Board of Directors of CNG has
reasonably concluded in good faith (after consultation with its financial
advisors) that the person or group proposing the Business Combination will have
adequate sources of financing to consummate the Business Combination and that
the Business Combination is more favorable to CNG's shareholders than the Merger
and (B) the Board of Directors of CNG shall have been advised in a written,
reasoned opinion by outside counsel that, notwithstanding a binding commitment
to consummate an agreement of the nature of this Agreement entered into in the
proper exercise of their applicable fiduciary duties, and notwithstanding all
concessions that may be offered by DRI in negotiations entered into pursuant to
clause (ii) below, such fiduciary duties would also require the directors to
reconsider such commitment as a result of such tender offer or such written
offer or proposal and (ii) prior to any such termination, CNG shall, and shall
cause its respective financial and legal advisors to, negotiate with DRI to make
such adjustments in the terms and conditions of this Agreement as would enable
CNG to proceed with the transactions contemplated herein; provided further, that
DRI and CNG acknowledge and affirm that, notwithstanding anything in this
Section 9.1(e) to the contrary, DRI and CNG intend this Agreement to be an
exclusive agreement and, accordingly, nothing in this Agreement is intended to
constitute a solicitation of an offer or proposal for a Business Combination, it
being acknowledged and agreed that any such offer or proposal would interfere
with the strategic advantages and benefits that DRI and CNG expect to derive
from the Merger and other transactions contemplated hereby;

     (f) by DRI, upon two (2) days' prior notice to CNG, if, as a result of a
tender offer by a party other than CNG or any of its affiliates or any written
offer or proposal with respect to a Business Combination by a party other than
CNG or any of its affiliates, the Board of Directors of DRI determines in good
faith that the fiduciary obligations of such


                                      -37-
<PAGE>

directors under applicable law require that such tender offer or other written
offer or proposal be accepted; provided, however, that (i) (A) the Board of
Directors of DRI has reasonably concluded in good faith (after consultation with
its financial advisors) that the person or group proposing the Business
Combination will have adequate sources of financing to consummate the Business
Combination and that the Business Combination is more favorable to DRI's
shareholders than the Merger and (B) the Board of Directors of DRI shall have
been advised in a written, reasoned opinion by outside counsel that,
notwithstanding a binding commitment to consummate an agreement of the nature of
this Agreement entered into in the proper exercise of their applicable fiduciary
duties, and notwithstanding all concessions that may be offered by CNG in
negotiations entered into pursuant to clause (ii) below, such fiduciary duties
would also require the directors to reconsider such commitment as a result of
such tender offer or such written offer or proposal and (ii) prior to any such
termination, DRI shall, and shall cause its respective financial and legal
advisors to, negotiate with CNG to make such adjustments in the terms and
conditions of this Agreement as would enable DRI to proceed with the
transactions contemplated herein; provided further, that DRI and CNG acknowledge
and affirm that, notwithstanding anything in this Section 9.1(f) to the
contrary, DRI and CNG intend this Agreement to be an exclusive agreement and,
accordingly, nothing in this Agreement is intended to constitute a solicitation
of an offer or proposal for a Business Combination, it being acknowledged and
agreed that any such offer or proposal would interfere with the strategic
advantages and benefits that DRI and CNG expect to derive from the Merger and
other transactions contemplated hereby;

     (g) by CNG, by written notice to DRI, if (i) there exist breaches of the
representations and warranties of DRI made herein as of the date hereof which
breaches, individually or in the aggregate, would or would be reasonably likely
to result in a DRI Material Adverse Effect, and such breaches shall not have
been remedied within twenty (20) days after receipt by DRI of notice in writing
from CNG, specifying the nature of such breaches and requesting that they be
remedied, (ii) DRI (and/or its appropriate subsidiaries) shall not have in all
material respects performed and complied with its agreements and covenants
contained in Section 6.2 (Dividends), Section 6.3 (Issuance of Securities) and
Section 6.7 (Indebtedness) or shall have failed to perform and comply with, in
all material respects, its other agreements and covenants hereunder and such
failure to perform or comply with shall not have been remedied within twenty
(20) days after receipt by DRI of a notice in writing from CNG, specifying the
nature of such failure and requesting that it be remedied; or (iii) the Board of
Directors of DRI or any committee thereof (A) shall withdraw or modify in any
manner adverse to CNG its approval or recommendation of this Agreement or the
Merger, (B) shall fail to reaffirm such approval or recommendation upon CNG's
request, (C) shall approve or recommend any acquisition of DRI or a material
portion of DRI's assets or any tender offer for shares of capital stock of DRI,
in each case, by a party other than CNG or any of its affiliates or (D) shall
resolve to take any of the actions specified in clause (A), (B) or (C).



                                      -38-
<PAGE>

     (h) by DRI, by written notice to CNG, if (i) there exist breaches of the
representations and warranties of CNG made herein as of the date hereof which
breaches, individually or in the aggregate, would or would be reasonably likely
to result in a CNG Material Adverse Effect, and such breaches shall not have
been remedied within twenty (20) days after receipt by CNG of notice in writing
from DRI, specifying the nature of such breaches and requesting that they be
remedied, (ii) CNG (and/or its appropriate subsidiaries) shall not have in all
material respects performed and complied with its agreements and covenants
contained in Section 6.2 (Dividends), Section 6.3 (Issuance of Securities) and
Section 6.7 (Indebtedness) or shall have failed to perform and comply with, in
all material respects, its other agreements and covenants hereunder and such
failure to perform or comply with shall not have been remedied within twenty
(20) days after receipt by CNG of a notice in writing from DRI, specifying the
nature of such failure and requesting that it be remedied; or (iii) the Board of
Directors of CNG or any committee thereof (A) shall withdraw or modify in any
manner adverse to DRI its approval or recommendation of this Agreement or the
Merger, (B) shall fail to reaffirm such approval or recommendation upon DRI's
request, (C) shall approve or recommend any acquisition of CNG or a material
portion of CNG's assets or any tender offer for shares of capital stock of CNG,
in each case, by a party other than DRI or any of its affiliates or (D) shall
resolve to take any of the actions specified in clause (A), (B) or (C).

     Section 9.2 Effect of Termination. In the event of termination of this
Agreement by either DRI or CNG pursuant to Section 9.1, there shall be no
liability on the part of either DRI or CNG or their respective officers or
directors hereunder, except that Section 7.14 and Section 9.3 and the agreement
contained in the second to the last sentence of Section 7.1 shall survive any
such termination.

     Section 9.3 Termination Fee; Expenses.

     (a) Expenses Payable upon Breach. If this Agreement is terminated pursuant
to one (but not both) of Section 9.1(g)(i) or (ii)or Section 9.1(h)(i) or (ii),
then (i) the breaching party (the "Nonterminating Party") shall promptly (but
not later than five business days after receipt of notice of the amount due from
the other party) pay to the terminating party an amount equal to all documented
out-of-pocket expenses and fees incurred by such terminating party (including,
without limitation, fees and expenses payable to all legal, accounting,
financial, public relations and other professional advisors arising out of, in
connection with or related to the Merger or the transactions contemplated by
this Agreement) not to exceed $25 million in the aggregate ("Out-of-Pocket
Expenses"); provided, however, that, if this Agreement is terminated by a party
as a result of a willful breach or failure to perform or comply with agreements
and covenants by the Nonterminating Party, the Nonterminating Party shall in
addition to the other parties' Out-of-Pocket Expenses, be liable to the other
party for such party's actual damages as a result of such breach.



                                      -39-
<PAGE>

     (b) Termination Fee Payable upon Acceptance of a Proposal. If this
Agreement is terminated pursuant to one of Section 9.1(e) or Section 9.1(f) but
not the other on the basis of a good faith determination made as provided in
such Section 9.1(e) or Section 9.1(f) that the fiduciary obligations of the
directors of the terminating party under applicable law require acceptance of a
tender offer or other written offer or proposal with respect to a Business
Combination and such terminating party (or an affiliate thereof) enters into an
agreement (whether or not such agreement is embodied in a definitive manner) to
consummate a Business Combination with a third party within two (2) years of
such termination, then the terminating party shall promptly (but not later than
five (5) business days after receipt of notice of the amount due from the other
party), but prior to entering into such agreement with the third party, pay to
the other party an amount equal to Out-of-Pocket Expenses plus $200 million.

     (c) Termination Fee In Certain Other Events. If this Agreement is
terminated (i) pursuant to Section 9.1(g)(iii) or Section 9.1(h)(iii), or
(ii)(x) pursuant to Section 9.1(b), (y) following a failure of the shareholders
of CNG or DRI to grant the necessary approvals described in Section 4.10 or
Section 5.10, as the case may be (a "Shareholder Disapproval"), or (z) as a
result of a material breach of Section 7.4, and in the case of a termination
pursuant to clause (ii) hereof, at the time of such termination (or, in the case
of any termination following a Shareholder Disapproval, prior to the shareholder
meeting at which such Shareholder Disapproval occurred), there shall have been a
third-party tender offer for shares of, or a third-party offer or proposal with
respect to a Business Combination involving, CNG or DRI (as the case may be, the
"Target Party") or the affiliates thereof which, at the time of such termination
(or of the meeting of the Target Party's shareholders, as the case may be) shall
not have been (A) rejected by the Target Party and its Board of Directors and
(B) withdrawn by the third party, then promptly (but not later than five
business days after receipt of notice of the amount due from the other party)
after the termination of this Agreement (1) if DRI is the Target Party or the
termination is pursuant to Section 9(g)(iii), DRI shall pay to CNG a termination
fee equal to $200 million plus Out-of-Pocket Expenses and (2) if CNG is the
Target Party or the termination is pursuant to Section 9(h)(iii), CNG shall pay
to DRI a termination fee equal to $200 million plus Out-of-Pocket Expenses;
provided, however, that no such amounts shall be payable if and to the extent
the party to make such payment shall have paid such amounts pursuant to Section
9.3(a) or Section 9.3(b).

     (d) Expenses. The parties agree that the agreements contained in this
Section 9.3 are an integral part of the transactions contemplated by this
Agreement and constitute liquidated damages and not a penalty. If one party
fails to promptly pay to the other any fees due hereunder, such 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 Citigroup, N.A. in effect
from time to time from the date such fee was required to be paid.



                                      -40-
<PAGE>

     Section 9.4 Amendment. This Agreement may be amended by the parties hereto
pursuant to action of the respective Boards of Directors of each of DRI and CNG,
at any time before or after approval hereof by the shareholders of DRI and CNG
and prior to the Effective Time, but after such approvals, no such amendment
shall (a) alter or change the amount or kind of shares, rights or any of the
proceedings of the exchange and/or conversion under Article II, or (b) alter or
change any of the terms and conditions of this Agreement if any of the
alterations or changes, alone or in the aggregate, would materially and
adversely affect the rights of holders of CNG Common Stock, except for
alterations or changes that could otherwise be adopted by the Board of Directors
of DRI and/or CNG, without the further approval of such shareholders, as
applicable. This Agreement may not be amended except by an instrument in writing
signed on behalf of each of the parties hereto.

     Section 9.5 Waiver. At any time prior to the Effective Time, the parties
hereto may (a) extend the time for the performance of any of the obligations or
other acts of the other parties hereto, (b) waive any inaccuracies in the
representations and warranties contained herein or in any document delivered
pursuant hereto and (c) waive compliance with any of the agreements or
conditions contained herein. Any agreement to any such extension or waiver shall
be valid only if set forth in an instrument in writing signed by a duly
authorized officer of each party.


                                    ARTICLE X

                               GENERAL PROVISIONS

     Section 10.1 Non-Survival of Representations, Warranties, Covenants and
Agreements. None of the representations, warranties, covenants and agreements in
this Agreement shall survive the Merger, except the covenants and agreements
contained in this Section 10.1 and in Article II (Treatment of Shares), the
second to the last sentence of Section 7.1 (Access to Information), Section 7.5
(Directors' and Officers' Indemnification), Section 7.9 (Certain Employee
Agreements), Section 7.10 (Incentive, Stock and Other Plans), Section 7.12 (DRI
Board of Directors), Section 7.13 (Corporate Offices), Section 7.14 (Expenses),
Section 7.15 (Community Support) and Section 10.7 (Parties in Interest), each of
which shall survive in accordance with its terms.

     Section 10.2 Brokers. DRI represents and warrants that, except for Lehman
Brothers Inc., its investment banking firm, no broker, finder or investment
banker is entitled to any brokerage, finder's or other fee or commission in
connection with the Merger or the transactions contemplated by this Agreement
based upon arrangements made by or on behalf of DRI. CNG represents and warrants
that, except for Merrill Lynch, Pierce, Fenner & Smith Incorporated, its
investment banking firm, no broker, finder or investment banker is entitled to
any brokerage, finder's or other fee or commission in connection with the Merger
or the transactions


                                      -41-
<PAGE>

contemplated by this Agreement based upon arrangements made by or on behalf of
CNG.

     Section 10.3 Notices. All notices and other communications hereunder shall
be in writing and shall be deemed given (a) if delivered personally, or (b) if
sent by overnight courier service (receipt confirmed in writing), or (c) if
delivered by facsimile transmission (with receipt confirmed), or (d) five days
after being mailed by registered or certified mail (return receipt requested) to
the parties, in each case to the following addresses (or at such other address
for a party as shall be specified by like notice):

                  (i)      If to CNG, to:

                           Stephen E. Williams
                           Senior Vice President and General Counsel
                           Consolidated Natural Gas Company
                           CNG Tower
                           625 Liberty Avenue
                           Pittsburgh, Pennsylvania  15222
                           Fax:  (412) 690-7633

                           with a copy to:

                           Cahill Gordon & Reindel
                           80 Pine Street
                           New York, New York  10005
                           Attn:  Gary W. Wolf
                           Fax:  (212) 269-5420

                  (ii)     If to DRI, to:

                           James F. Stutts
                           Vice President and General Counsel
                           Dominion Resources, Inc.
                           120 Tredegar Street
                           Richmond, Virginia 23219
                           Fax: (804) 819-2233

                           with a copy to

                           LeBoeuf, Lamb, Greene & MacRae L.L.P.
                           125 West 55th Street
                           New York, New York 10019
                           Attn:    Douglas W. Hawes

                                      -42-
<PAGE>

                           Fax: (212) 424-8500

                           and

                           McGuire, Woods, Battle & Booth LLP
                           901 East Cary Street
                           Richmond, Virginia 23219
                           Attn: Robert L. Burrus
                           Fax:  (804) 698-2170

     Section 10.4 Miscellaneous. This Agreement (including the documents and
instruments referred to herein): (a) constitutes the entire agreement and
supersedes all other prior agreements and understandings, both written and oral,
among the parties, or any of them, with respect to the subject matter hereof
other than the Confidentiality Agreement; and (b) shall not be assigned by
operation of law or otherwise. This Agreement shall be governed by and construed
in accordance with the laws of the State of New York applicable to contracts
executed in and to be fully performed in such State, without giving effect to
its conflicts of laws statutes, rules or principles. The invalidity or
unenforceability of any provision of this Agreement shall not affect the
validity or enforceability of any other provision of this Agreement, which shall
remain in full force and effect. The parties hereto shall negotiate in good
faith to replace any provision of this Agreement so held invalid or
unenforceable with a valid provision that is as similar as possible in substance
to the invalid or unenforceable provision.

     Section 10.5 Interpretation. When reference is made in this Agreement to
Articles, Sections or Exhibits, such reference shall be to an Article, Section
or Exhibit of this Agreement, as the case may be, unless otherwise indicated.
The table of contents and headings contained in this Agreement are for reference
purposes and shall not affect in any way the meaning or interpretation of this
Agreement. Whenever the words "include", "includes", or "including" are used in
this Agreement, they shall be deemed to be followed by the words "without
limitation." Whenever "or" is used in this Agreement it shall be construed in
the nonexclusive sense.

     Section 10.6 Counterparts; Effect. This Agreement may be executed in one or
more counterparts, each of which shall be deemed to be an original, but all of
which shall constitute one and the same agreement.

     Section 10.7 Parties in Interest. This Agreement shall be binding upon and
inure solely to the benefit of each party hereto, and, except for rights of
Indemnified Parties as set forth in Section 7.5 (Directors' and Officers'
Indemnification), nothing in this Agreement, express or implied, is intended to
confer upon any person any rights or remedies of any nature whatsoever under or
by reason of this Agreement.



                                      -43-
<PAGE>

     Section 10.8 Specific Performance. 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 hereto 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.

     Section 10.9 WAIVER OF JURY TRIAL. EACH PARTY HERETO HEREBY WAIVES, TO THE
FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY
JURY IN ANY LEGAL PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING
TO THIS AGREEMENT OR THE TRANSACTION CONTEMPLATED HEREBY (WHETHER BASED ON
CONTRACT, TORT OR ANY OTHER THEORY). EACH PARTY HERETO (A) CERTIFIES THAT NO
REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS REPRESENTED EXPRESSLY
OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK
TO ENFORCE THE FOREGOING WAIVER AND (B) ACKNOWLEDGES THAT IT AND THE OTHER
PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER
THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION.



                                      -44-
<PAGE>

     IN WITNESS WHEREOF, DRI and CNG have caused this Agreement to be signed by
their respective officers thereunto duly authorized as of the date first above
written.

                                       DOMINION RESOURCES, INC.


                                       By:
                                          ---------------------------------
                                       Name:  Thomas E. Capps
                                       Title:  Chairman and Chief Executive


                                       CONSOLIDATED NATURAL GAS COMPANY



                                       By:
                                          ---------------------------------
                                       Name:  George A. Davidson, Jr.
                                       Title:  Chairman and Chief Executive
                                               Officer

                                      -45-
<PAGE>

                             INDEX OF DEFINED TERMS

Term                                                                        Page
- ----                                                                        ----

1935 Act.......................................................................6
affiliate ....................................................................10
Agreement .....................................................................1
Articles of Merger.............................................................2
Atomic Energy Act .............................................................8
Book Entry Shares .............................................................3
Business Combination..........................................................37
Certificate ...................................................................3
Certificate of Merger..........................................................2
Closing .......................................................................5
Closing Date ..................................................................5
CNG ...........................................................................1
CNG Budget ...................................................................19
CNG Common Stock ..............................................................2
CNG Disclosure Schedule.......................................................13
CNG Employee Benefit Plans....................................................16
CNG Financial Statements......................................................15
CNG Material Adverse Effect...................................................13
CNG Required Consents.........................................................14
CNG Required Statutory Approvals..............................................15
CNG Rights ...................................................................18
CNG Rights Agreement..........................................................18
CNG SEC Reports ..............................................................15
CNG Shareholders' Approval....................................................17
CNG Shares ....................................................................3
CNG Special Meeting...........................................................27
Code ..........................................................................1
Confidentiality Agreement.....................................................25
Conversion Ratio ..............................................................2
Disclosure Schedules..........................................................29
DRI ...........................................................................1
DRI Budget ...................................................................19
DRI Common Stock ..............................................................2
DRI Disclosure Schedule........................................................5
DRI Employee Benefit Plans....................................................10
DRI Financial Statements.......................................................9
DRI Material Adverse Effect....................................................5
DRI Required Consents..........................................................7
DRI Required Statutory Approvals...............................................8

                                       -v-
<PAGE>

DRI SEC Reports ...............................................................8
DRI Shareholders' Approval....................................................10
DRI Shares ....................................................................3
DRI Special Meeting...........................................................27
Effective Time ................................................................2
Environmental Laws.............................................................8
ERISA .........................................................................9
Exchange Act ..................................................................8
Exchange Agent ................................................................3
FERC ..........................................................................8
Final Order ..................................................................34
GAAP ..........................................................................9
Gas Act ......................................................................15
Gas Policy Act ...............................................................15
Governmental Authority.........................................................7
Hazardous Materials............................................................8
HSR Act ......................................................................26
Indemnified Parties...........................................................27
Indemnified Party ............................................................27
Joint Proxy Statement/Prospectus...............................................9
Joint Proxy/Registration Statement............................................25
Joint venture .................................................................6
Liens .........................................................................6
Merger ........................................................................1
Non-terminating Party.........................................................39
NRC ...........................................................................8
NYSE Composite Transition Reports..............................................4
Out-of-Pocket Expenses........................................................39
Permits .......................................................................8
Power Act .....................................................................8
Registration Statement.........................................................9
Representatives ..............................................................25
SEC ...........................................................................1
Securities Act ................................................................8
Shareholder Disapproval.......................................................40
Significant Subsidiary.........................................................6
Stock Plan ...................................................................30
Subsidiary ....................................................................5
subsidiary company............................................................10
Takeover Proposal ............................................................32
Target Party .................................................................40
Task Force ...................................................................24

                                      -vi-
<PAGE>

Violation .....................................................................7
VSCA ..........................................................................1

                                     -vii-


                                                                     EXHIBIT 99


             DOMINION RESOURCES AND CONSOLIDATED NATURAL GAS COMBINE
                        TO FORM $25 BILLION ENERGY GIANT

                           SERVING 4 MILLION CUSTOMERS
                     IN MIDWEST, MID-ATLANTIC AND NORTHEAST

                Creates Fully Integrated Electric And Gas Company
                  Positioned for Converging Energy Marketplace


RICHMOND, VA & PITTSBURGH (FEBRUARY 22, 1999) - Dominion Resources, Inc. [NYSE:
DRI] and Consolidated Natural Gas Company [NYSE: CNG] today announced they are
merging to form the nation's fourth largest integrated electric power and
natural gas provider, serving nearly 4 million retail customers in five states.
Market capitalization of the combined entity will exceed $25 billion -
consisting of approximately $14.5 billion in equity, $9.5 billion in debt and
minority interests, and $1.1 billion in preferred stock.

Under the terms of the definitive merger agreement approved unanimously by each
company's boards of directors, DRI will acquire all of the shares of CNG. Under
the agreement, each common share of CNG will be converted into 1.52 shares of
DRI. Based upon the closing price of DRI on Friday, February 19, 1999, this
represents a premium of 25.3%. DRI will issue approximately $6.3 billion in
stock to CNG stockholders to complete the transaction. CNG stockholders will own
approximately 43% of the combined company. It is expected to become accretive to
earnings per share by the end of the second year after completion of the
transaction.

When the merger is completed, it will create the premier fully integrated
electric and gas company in the United States with about $8.8 billion in
revenues, $23.9 billion in assets, annual cash flow in excess of $2 billion and
17,000 employees. The combined company will have an energy portfolio of more
than 20,000 megawatts of power generation, 2.4 trillion cubic feet equivalent in
natural gas and oil reserves, producing nearly 300 billion cubic feet equivalent
annually, and will operate a major interstate gas pipeline system and the
largest natural gas storage system in North America. The combination will rank
as the eleventh largest independent oil and gas producer in the United States
measured by reserves.

"This is an irresistible combination.  It unites two of the most respected names
in  electricity  and natural gas and  provides us the  critical  mass needed for
today's  dynamic energy  sector," said Thos. E. Capps,  chairman,  president and
chief  executive  officer  of  DRI.  "Fundamentally,  we are  bringing  together
high-quality assets with excellent,  complementary operations that serve strong,
neighboring gas and electric markets."

<PAGE>

"This strategic merger will enhance value across the energy production and
delivery system - from the wellhead all the way to the final destination, the
customer. The company will be able to offer a complete line of energy products
as the $300 billion gas and electric industries continue to converge. The energy
industry is changing. Utility deregulation, competition and fuel convergence are
rapidly sweeping across the nation. Our combined company will have the scale,
scope and skills to be successful in the competitive energy marketplace. We are
creating a formidable platform for growth in a region that is home to 40 percent
of the nation's demand for energy," Mr. Capps added.

"It's a natural fit for our shareholders, customers and employees," said George
A. Davidson, Jr., chairman and chief executive officer of CNG. "Shareholders
will benefit from the earnings growth created by a larger, strategically
positioned company with a track record of financial strength. Customers will
benefit from a strong, new competitor aggressively pursuing gas and electric
retail markets. And, our employees will share in opportunities created by one of
the nation's largest and best positioned energy companies."

"Additionally, the merger aligns our own successful leadership team with
seasoned managers who are proven in the competitive marketplace. It's also
important to note that DRI and CNG have similar corporate cultures, strategies
and management styles. And each has a long history of community and civic
involvement that will continue," Mr. Davidson said.

Mr. Capps said, "We welcome the capable and experienced  employees of CNG to our
DRI family.  We'll work together to deliver  superior  results for our customers
and our owners.  Our  employees'  skill and  dedication  represent  our greatest
strength."

CNG shareholders will receive the DRI dividend in effect at the time of the
close of the merger. DRI currently pays an annual dividend of $2.58 per share.

The combined entity expects to enhance revenues by:

     o    Aggressively  marketing a complete  portfolio  of energy  products and
          services in rapidly deregulating markets in the Midwest, Mid-Atlantic,
          and  Northeast,  comprising 40 percent of the nation's  energy demand.
          The combined  company  will have an asset  network  already  serving a
          retail footprint of 4 million customers in the region.

     o    Capitalizing on economies of scale and our unique set of assets up and
          down the energy production and distribution  value chain to become the
          lowest  cost  provider  of gas  and  electric  products  at  both  the
          wholesale and retail levels.

     o    Combining our complementary asset base and existing skills required to
          site,  build,  and  operate  efficient,   gas-fired  power  generation
          facilities  in strategic  locations in the Midwest,  Mid-Atlantic  and
          Northeast.

<PAGE>

     o    Expanding exploration and production  opportunities to diversify risks
          and lower  operating  costs.  The  combined  company will have a broad
          portfolio  of oil and  gas  reserves  and  production  in the  Gulf of
          Mexico, Appalachian Basin, Rocky Mountains and Canada.

And, the companies expect to realize cost savings from the elimination of
duplicate corporate and administrative programs, greater efficiencies in
operations and business processes, and streamlined purchasing practices.
Customers will continue to enjoy the same safe, reliable service provided by the
same people who service them today. Because this combination is based on growth,
the companies anticipate minimal workforce reductions as a result of the merger.
The company will use a combination of growth, reduced hiring and attrition to
minimize the need for employee separations. All union contracts will be honored.

Mr. Capps will be president and chief executive officer of the combined company,
and Mr. Davidson will serve as chairman until his previously announced
retirement in August 2000. The board of directors will have 17 members, ten of
whom will be designated by DRI and seven of whom will be designated by CNG. The
combined company will be named Dominion Resources and be headquartered in
Richmond, Virginia. The gas distribution, pipeline and storage operations will
continue to be headquartered in Pittsburgh. The combined company will also
maintain significant operation centers in the cities of New Orleans and Norfolk,
VA, as well as in Ohio and West Virginia.

The transaction is conditioned, among other things, upon the approvals of
shareholders of both companies, opinions of counsel on the tax-free nature of
the transaction, opinions of independent auditors that the transaction will be
treated as a pooling of interests for accounting purposes, approvals of various
federal regulatory agencies, and the completion of regulatory processes in the
states where the combined company will operate. The companies anticipate that
regulatory procedures can be completed in about 12 months.

Lehman  Brothers  Inc.  acted as financial  advisor to DRI.  Merrill Lynch & Co.
acted as financial  advisor to CNG. LeBoeuf,  Lamb, Greene & MacRae,  L.L.P. and
McGuire Woods Battle & Boothe,  LLP are legal counsel to DRI and Cahill Gordon &
Reindel and Buchanan, Ingersoll P.C. are legal counsel to CNG.

Consolidated Natural Gas Company (CNG) is one of the nation's largest producers,
transporters, distributors and retail marketers of natural gas. The company's
natural gas transmission and distribution operations serve customers in Ohio,
Pennsylvania, Virginia, West Virginia, New York and other states in the
Northeast and Mid-Atlantic regions. CNG explores for and produces oil and
natural gas in the United States and Canada, and makes selective investments
abroad.

Dominion Resources is an $18 billion holding company active in regulated and
competitive electric power, natural gas and oil development and selected
financial services. It has electric power and natural gas operations throughout
the United States and in Canada, the United Kingdom, Bolivia, Peru, Argentina
and Belize.

<PAGE>

This press release contains forward-looking statements within the meaning of
Section 21E of the Securities Exchange Act of 1934. The forward-looking
statements are subject to various risks and uncertainties. Discussion of factors
that could cause actual results to differ materially from management's
projections, forecasts, estimates and expectations may include factors that are
beyond the company's ability to control or estimate precisely, such as estimates
of future market conditions and the behavior of other market participants. Other
factors include, but are not limited to, weather conditions, economic conditions
in the company's service territory, fluctuations in energy-related commodity
prices, conversion activity, other marketing efforts and other uncertainties.
Other risk factors are detailed from time to time in the two companies' SEC
reports.

Note to Editors: Today's news release, along with other news about DRI and CNG,
is available on the Internet at http://www.domres.com and http://www.cng.com.

  SATELLITE UPLINK FOR DRI / CNG B-ROLL:


Monday, February 22, 1999
07:30 - 08:00 AM EST                                 12:00 - 12:30 PM EST
Telstar 4; Transponder 20                            Telstar4; Transponder 20
Downlink frequency: 4100                             Downlink frequency: 4100

If you have any technical questions or problems with the satellite feed for
B-Roll, please call Bret Curran at (212) 627-5622.

- --------------------------------------------------------------------
Contact.,

Contacts for DRI:
Media:
Mark Lazenby
(804) 819-2042
Hunter Applewhite
(804) 819-2043
Investors:
Thomas Wohlfarth
(804) 819-2150
Suzette Mata
(804) 819-2154
or
Contacts for CNG:
Media:
Chet Wade
(412) 690-1361
Dan Donovan
(412) 690-1370

<PAGE>

Investors:
Jim Garrett
(412) 690-1485
Dan Zajdel
(412) 690-1241


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