WISER OIL CO
SC 13D, EX-7.1, 2000-06-28
CRUDE PETROLEUM & NATURAL GAS
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<PAGE>


                                                                     EXHIBIT 7.1

                              AMENDED AND RESTATED
                            STOCK PURCHASE AGREEMENT



                                 By And Between



                             THE WISER OIL COMPANY



                                      And



                         WISER INVESTMENT COMPANY, LLC



                                  Dated as of
                               December 13, 1999
<PAGE>

                                TABLE OF CONTENTS

<TABLE>
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                                                                            Page
                                                                            ----
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ARTICLE I
     DEFINITIONS.............................................................. 1
     Section 1.1  Definitions................................................. 1
     Section 1.2  References and Titles....................................... 8

ARTICLE II
     PURCHASE OF PREFERRED SHARES............................................. 9
     Section 2.1  Agreement to Sell and to Purchase Shares.................... 9
     Section 2.2  Purchase Price and Payment.................................. 9
     Section 2.3  Delivery of Shares.......................................... 9
     Section 2.4  Deposit.....................................................10
     Section 2.5  Option to Purchase Additional Preferred Shares..............10

ARTICLE III
     REPRESENTATIONS AND WARRANTIES...........................................12
     Section 3.1  Representations and Warranties of the Company...............12
     Section 3.2  Representations and Warranties of WIC and Purchaser.........35

ARTICLE IV
     COVENANTS................................................................37
     Section 4.1  Stockholder Approval; Proxy Statement.......................37
     Section 4.2  NYSE Listing................................................38
     Section 4.3  Affirmative Covenants of the Company........................38
     Section 4.4  Negative Covenants of the Company...........................39
     Section 4.5  Reasonable Best Efforts; Financing..........................41
     Section 4.6  Other Transaction Documents.................................42
     Section 4.7  HSR Act Notification........................................42
     Section 4.8  Notification of Certain Matters.............................43
     Section 4.9  No Solicitation by Company..................................43
     Section 4.10  Access; Confidentiality....................................44
     Section 4.11  Transfer Restrictions......................................45

ARTICLE V
     CONDITIONS PRECEDENT TO CLOSING..........................................46
     Section 5.1  Conditions Precedent to Each Party's Obligation.............46
     Section 5.2  Conditions Precedent to Obligations of WIC and Purchaser....47
     Section 5.3  Conditions Precedent to Obligation of Company...............48
</TABLE>

                                      -i-
<PAGE>

<TABLE>
<S>                                                                           <C>
ARTICLE VI
     CLOSING..................................................................49
     Section 6.1  Closing.....................................................49
     Section 6.2  Actions to Occur at the Closing.............................49

ARTICLE VII
     TERMINATION..............................................................50
     Section 7.1  Termination.................................................50
     Section 7.2  Effect of Termination.......................................52

ARTICLE VIII
     INDEMNIFICATION..........................................................52
     Section 8.1  Indemnification of WIC and Purchaser........................52
     Section 8.2  Indemnification of Company..................................52
     Section 8.3  Defense of Third-Party Claims...............................53
     Section 8.4  Direct Claims...............................................54
     Section 8.5  No Punitive Damages.........................................54
     Section 8.6  Exclusivity.................................................54

ARTICLE IX
     MISCELLANEOUS............................................................55
     Section 9.1  Survival of Provisions......................................55
     Section 9.2  No Waiver; Modification in Writing..........................56
     Section 9.3  Specific Performance........................................56
     Section 9.4  Severability................................................56
     Section 9.5  Fees and Expenses...........................................56
     Section 9.6  Parties in Interest.........................................57
     Section 9.7  Notices.....................................................57
     Section 9.8  Counterparts................................................58
     Section 9.9  Entire Agreement............................................58
     Section 9.10  Governing Law..............................................58
     Section 9.11  Public Announcements.......................................58
     Section 9.12  Assignment.................................................59
     Section 9.13  Independent Determination..................................60
</TABLE>

Exhibits:

Exhibit A - Form of Agreement and Irrevocable Proxy
Exhibit B - Form of Certificate of Designation
Exhibit C - Form of Employment Agreement
Exhibit D - Form of Management Agreement
Exhibit E - Form of Restated Certificate

                                     -ii-
<PAGE>

Exhibit F - Form of Stockholder Agreement
Exhibit G - Form of Opinion of Thompson & Knight L.L.P.
Exhibit H - Form of Opinion of Andrews & Kurth L.L.P.

                                     -iii-
<PAGE>


                             AMENDED AND RESTATED
                           STOCK PURCHASE AGREEMENT

     AMENDED AND RESTATED STOCK PURCHASE AGREEMENT, dated as of December 13,
1999, by and between The Wiser Oil Company, a Delaware corporation (the
"Company"), and Wiser Investment Company, LLC, a Delaware limited liability
company ("WIC").

     WHEREAS, the Company and WIC entered into a Stock Purchase Agreement as of
December 13, 1999 (the "Original Stock Purchase Agreement"); and

     WHEREAS, the Company and WIC wish to enter into this Agreement and thereby
amend and restate the Original Stock Purchase Agreement in its entirety;

     NOW, THEREFORE, in consideration of the mutual covenants and agreements set
forth herein and for good and valuable consideration, the receipt of which is
hereby acknowledged, the parties hereto agree as follows:

                                   ARTICLE I
                                  DEFINITIONS

      Section 1.1  Definitions.  As used in this Agreement, and unless the
context requires a different meaning, the following terms have the meanings
indicated:

     "Affiliate" means, with respect to any Person, any other Person directly,
or indirectly through one or more intermediaries, controlling, controlled by or
under common control with such Person. For purposes of this definition and this
Agreement, the term "control" (and correlative terms) means the power, whether
by contract, equity ownership or otherwise, to direct the policies or management
of a Person.

     "Agreement" means this Amended and Restated Stock Purchase Agreement, as
the same may be amended, supplemented or modified from time to time in
accordance with the terms hereof.

     "Agreement and Irrevocable Proxy" means an agreement in the form attached
as Exhibit A hereto.
   ---------

     "Alternative Transaction" has the meaning set forth in Section 4.9(d).

     "Alternative Transaction Proposal" has the meaning set forth in Section
4.9(a).

     "Approval" means any approval, authorization, grant of authority, consent,
order, qualification, permit, license, variance, exemption, franchise,
concession, certificate, filing or registration, or any waiver of the foregoing,
or any notice, statement or other communication, required to be obtained from,
filed with or delivered to any Governmental Entity or other Person.
<PAGE>

     "Benefit Arrangement" has the meaning set forth in Section 3.1(s)(i)(B).

     "Board" means the Board of Directors of the Company.

     "Business Day" means any day except Saturday, Sunday and any day which
shall be a legal holiday or a day on which banking institutions in Dallas, Texas
generally are authorized or required by Law to close.

     "Bylaws" means the By-Laws of the Company as amended to the date of this
Agreement.

     "Certificate of Cancellation" means a certificate, in form and substance
reasonably satisfactory to WIC and Purchaser, effecting the cancellation of the
Company's Series A Preferred Stock, in accordance with Section 151(g) of the
Delaware General Corporation Law.

     "Certificate of Designation" means the Certificate of Designations for the
Series C Preferred Stock, in the form attached as Exhibit B hereto.
                                                  ---------

     "Certificate of Incorporation" means the Restated Certificate of
Incorporation of the Company as amended to the date of this Agreement and as
filed with the Secretary of State of Delaware.

     "Closing" has the meaning set forth in Section 6.1.

     "Closing Date" has the meaning set forth in Section 6.1.

     "Code" means the Internal Revenue Code of 1986, as amended, and the rules
and regulations thereunder as in effect on the date hereof.

     "Commitment Letter" has the meaning set forth in Section 4.5(b).

     "Common Stock" means the Company's common stock, the par value of which is
$3.00 per share on the date hereof but will be changed to $.01 per share on the
Closing Date pursuant to the Restated Certificate.

     "Company" has the meaning set forth in the introductory paragraph hereof.

     "Company Agents" has the meaning set forth in Section 4.9(a).

     "Company Disclosure Schedule" means the disclosure schedule dated as of
December 13, 1999, which was delivered by the Company to WIC concurrently with
the execution of the Original Stock Purchase Agreement, as supplemented by a
supplement thereto delivered by the Company to WIC concurrently with the
execution of this Agreement.  The references in the Company Disclosure

                                      -2-
<PAGE>


Schedule to the Original Stock Purchase Agreement and the Sections thereof shall
be deemed to be references to this Agreement and the Sections of this
Agreement.

     "Company Indemnified Costs" means any and all damages, losses (including
diminution in value), claims, liabilities, demands, charges, suits, penalties,
costs and expenses (including court costs and reasonable legal fees and expenses
incurred in investigating and preparing for any litigation or proceeding) that
any of the Company Indemnified Parties incurs and that arise out of (i) any
breach by WIC or Purchaser of any of its representations or warranties under
this Agreement or any other Transaction Document or (ii) any breach by WIC or
Purchaser of any of its covenants or agreements under this Agreement or any
other Transaction Document.

     "Company Indemnified Parties" means the Company, its Subsidiaries and each
officer, director, employee, stockholder and Affiliate of the Company or its
Subsidiaries (other than WIC, Purchaser and Persons who are also officers,
directors, managers, employees, stockholders or Affiliates of WIC or Purchaser).

     "Company Options" has the meaning set forth in Section 3.1(c)(iii).

     "Company SEC Documents" has the meaning set forth in Section 3.1(i).

     "Contracts" means all agreements, contracts or other binding commitments,
arrangements or plans, written or oral (including any amendments and other
modifications thereto), to which the Company or any of its Subsidiaries is a
party or is otherwise bound.

     "Conversion Shares" means the shares of Common Stock issuable upon
conversion of the Preferred Shares in accordance with the terms of the
Certificate of Designation.

     "Credit Facility" has the meaning set forth in Section 3.1(m).

     "Cure Period" has the meaning set forth in Section 7.1(b)(i).

     "Debt", without duplication, means (a) all indebtedness (including the
principal amount thereof or, if applicable, the accreted amount thereof and the
amount of accrued and unpaid interest thereon) of the Company and its
Subsidiaries, whether or not represented by bonds, debentures, notes or other
securities, for the repayment of money borrowed, (b) all deferred indebtedness
of the Company and its Subsidiaries for the payment of the purchase price of
property or assets purchased, (c) all obligations of the Company and its
Subsidiaries to pay rent or other payment amounts under a lease of real or
personal property which is required to be classified as a capital lease or a
liability on the face of a balance sheet prepared in accordance with GAAP, (d)
any outstanding reimbursement obligation of the Company or its Subsidiaries with
respect to letters of credit, bankers' acceptances or similar facilities issued
for the account of the Company or its Subsidiaries, (e) any payment obligation
of the Company or its Subsidiaries under any interest rate swap agreement,
forward rate agreement, interest rate cap or collar agreement or other financial
agreement

                                      -3-
<PAGE>

or arrangement entered into for the purpose of limiting or managing interest
rate risks, (f) all indebtedness for borrowed money secured by any Lien existing
on property owned by the Company or its Subsidiaries, whether or not
indebtedness secured thereby shall have been assumed, (g) all guaranties,
endorsements, assumptions and other contingent obligations of the Company or its
Subsidiaries in respect of, or to purchase or to otherwise acquire, indebtedness
for borrowed money of others, (h) all other short-term and long-term liabilities
of the Company or its Subsidiaries of any nature, other than accounts payable
and accrued liabilities incurred in the ordinary course of business, and (i) all
premiums, penalties and change of control payments required to be paid or
offered in respect of any of the foregoing as a result of the consummation of
the transactions contemplated by the Transaction Documents regardless if any of
such are actually paid.

     "Deposit" has the meaning set forth in Section 2.4(a).

     "Dividend Shares" means the shares of Common Stock issuable in payment of
dividends payable on the Preferred Shares in accordance with the terms of the
Certificate of Designation.

     "Employment Agreement" means the Employment Agreement to be entered into by
and between the Company and George K. Hickox, Jr. at the Closing, in the form
attached as Exhibit C hereto.
            ---------

     "Environmental Laws" has the meaning set forth in Section 3.1(w)(A).

     "ERISA" means the Employee Retirement Income Security Act of 1974, as
amended.

     "Escrow Agreement" has the meaning set forth in Section 2.4(a).

     "Exchange Act" means the Securities Exchange Act of 1934, as amended, and
the rules and regulations of the SEC promulgated thereunder.

     "Financing" has the meaning set forth in Section 4.5(b).

     "Financing Commitment Date" has the meaning set forth in Section 4.5(b).

     "GAAP" has the meaning set forth in Section 3.1(i).

     "Governmental Entity" means any agency, bureau, commission, court,
authority, department, official, political subdivision, tribunal or other
instrumentality of any government, whether (i) regulatory, administrative or
otherwise, (ii) federal, state or local or (iii) domestic or foreign.

     "Hazardous Materials" has the meaning set forth in Section 3.1(w)(B).

     "Hedge" and "Hedging" have the respective meanings set forth in Section
3.1(ii).

                                      -4-
<PAGE>

     "HSR Act" means the Hart-Scott-Rodino Antitrust Improvements Act of 1976,
as amended.

     "Indemnified Parties" means the Purchaser Indemnified Parties or the
Company Indemnified Parties, as the case may be.

     "Indemnifying Party" has the meaning set forth in Section 8.3.

     "Indenture" means the Indenture between the Company and Texas Commerce
Bank, N.A., as trustee, dated as of May 21, 1997, for the Company's 9 1/2%
Senior Subordinated Notes due 2007.

     "Intangible Property" has the meaning set forth in Section 3.1(v).

     "IRS" means the Internal Revenue Service.

     "knowledge" (and corresponding derivative expressions) mean the actual
knowledge of the executive officers, directors or senior managers of the
Company, WIC or Purchaser, as the case may be, after reasonable inquiry.

     "Law" means any constitutional provision, statute or other law, ordinance,
rule, regulation or interpretation of any thereof and any Order of any
Governmental Entity (including Environmental Laws).

     "Lien" means, with respect to any asset, any mortgage, lien, pledge,
encumbrance, charge or security interest of any kind in or on such asset or the
revenues or income thereon or therefrom.

     "Litigation" has the meaning set forth in Section 3.1(o).

     "Management Agreement" means the Management Agreement to be entered into by
and between the Company and WIC at the Closing, in the form attached as Exhibit
                                                                        -------
D hereto.
-

     "Material Adverse Effect" means any effect, change, event or occurrence
that is materially adverse to the business, operations, properties, condition
(financial or otherwise), results of operations, assets, liabilities or
prospects of the Company and its Subsidiaries taken as a whole, other than as a
result of (i) changes in oil or gas prices or (ii) general conditions in the
Company's industry (or changes in such conditions) not relating solely to the
Company or a Subsidiary in any specific manner.

     "Material Contracts" has the meaning set forth in Section 3.1(p)(i).

     "NYSE" means the New York Stock Exchange.

     "Oil and Gas Properties" has the meaning set forth in Section 3.1(k).

                                      -5-
<PAGE>


     "Option", "Option Closing", "Option Closing Date" and "Option Term" have
the respective meanings set forth in Section 2.5.

     "Order" means any decree, injunction, judgment, order, ruling, assessment
or writ.

     "Person" means an individual or a corporation, partnership, trust,
incorporated or unincorporated association, limited liability company, joint
venture, joint stock company, Governmental Entity or other entity of any kind.

     "Plan" has the meaning set forth in Section 3.1(s)(i)(A).

     "Preferred Share Issuance" means the issuance of Preferred Shares to
Purchaser at the Closing and at any Option Closings.

     "Preferred Shares" means the shares of Series C Preferred Stock to be
purchased by Purchaser at the Closing pursuant to Section 2.1 and at any Option
Closings pursuant to Section 2.5.

     "Proxy Statement" has the meaning set forth in Section 3.1(d)(iii).

     "Purchase Price" has the meaning set forth in Section 2.2(a).

     "Purchaser" means WIC; provided, however, that if a permitted assignment or
assignments occur pursuant to Section 9.12(b) or 9.12(c), "Purchaser" shall mean
and include, collectively, each assignee to whom such an assignment has been
made (and shall continue to mean and include WIC unless WIC has assigned all of
its rights, interests and obligations as Purchaser hereunder in accordance with
the provisions of Section 9.12).

     "Purchaser Designees" has the meaning given to it in the Stockholder
Agreement.

     "Purchaser Indemnified Costs" means any and all damages, losses (including
diminution in value), claims, liabilities, demands, charges, suits, penalties,
costs and expenses (including court costs and reasonable legal fees and expenses
incurred in investigating and preparing for any litigation or proceeding) that
any of the Purchaser Indemnified Parties incurs and that arise out of (i) any
breach by the Company of any of its representations or warranties under this
Agreement or any other Transaction Document or (ii) any breach by the Company of
any of its covenants or agreements under this Agreement or any other Transaction
Document.

     "Purchaser Indemnified Parties" means WIC, Purchaser and each officer,
director, manager, employee, stockholder and Affiliate (other than the Company
and its Subsidiaries) of WIC and Purchaser.

     "Release" has the meaning set forth in Section 3.1(w)(C).

                                      -6-
<PAGE>

     "Remedial Action" has the meaning set forth in Section 3.1(w)(D).

     "Requisite Votes" has the meaning set forth in Section 3.1(g).

     "Reserve Reports" means the reserve information prepared by the Company's
independent petroleum engineers estimating the proved reserves attributable to
the Oil and Gas Properties as of December 31, 1998 and described in (i) the
Appraisal Report as of December 31, 1998 on Certain Properties Owned by The
Wiser Oil Company, prepared by DeGolyer and MacNaughton, and (ii) the Reserve
Appraisal and Economic Evaluation for The Wiser Oil Company Canada Ltd. dated as
of January 1, 1999, prepared by Gilbert Laustsen Jung Associates.

     "Restated Bylaws" has the meaning set forth in Section 4.6.

     "Restated Certificate" means the Restated Certificate of Incorporation of
the Company to be submitted to the stockholders of the Company for their
approval at the Stockholders' Meeting, in the form attached as Exhibit E hereto.
                                                               ---------

     "Rights Agreement" means the Rights Agreement dated as of October 25, 1993,
between the Company and ChaseMellon Shareholder Services, L.L.C., as successor
rights agent, as amended.

     "SEC" means the Securities and Exchange Commission.

     "Securities Act" means the Securities Act of 1933, as amended, and the
rules and regulations of the SEC promulgated thereunder.

     "Series C Preferred Stock" means the Company's Series C Cumulative
Convertible Preferred Stock, par value $10.00 per share, which shall have the
terms set forth in the Certificate of Designation.

     "Stockholder Agreement" means the Stockholder Agreement to be entered into
by and between the Company, WIC and Purchaser at the Closing, in the form
attached as Exhibit F hereto.
            ---------

     "Stockholders' Meeting" has the meaning set forth in Section 4.1(a).

     "Stock Plans" means the Company's 1991 Stock Incentive Plan, 1991 Non-
Employee Directors' Stock Option Plan, Equity Compensation Plan for Non-Employee
Directors and 1997 Share Appreciation Rights Plan, all as amended.

     "Subsidiary" means (i) a corporation, a majority of whose stock with voting
power to elect directors is at the date of determination thereof, directly or
indirectly, owned by the Company, by a Subsidiary or by the Company and another
Subsidiary or (ii) any other Person (other than a corporation) in which the
Company, a Subsidiary or the Company and a Subsidiary, directly or indirectly,
at the date of determination thereof have a majority ownership interest.

                                      -7-
<PAGE>

     "Superior Proposal" has the meaning set forth in Section 4.9(a).

     "Tax" has the meaning set forth in Section 3.1(r).

     "Tax Return" has the meaning set forth in Section 3.1(r).

     "Third Party" has the meaning set forth in Section 4.9(d).

     "third-party action" has the meaning set forth in Section 8.3.

     "Transaction Documents" means this Agreement, the Certificate of
Designation, the Employment Agreement, the Escrow Agreement, the Management
Agreement, the Stockholder Agreement, the Warrant Agreement, the Warrant
Purchase Agreement and, for purposes of Article III only, the Restated
Certificate.

     "Transfer" has the meaning set forth in Section 4.11.

     "Underlying Common Shares" means the Conversion Shares, the Dividend Shares
and the Warrant Shares.

     "Warrant Agreement" means each Warrant Agreement to be entered into by and
between the Company and WIC at the Closing and at any Option Closings, in the
form attached as Exhibit A to the Warrant Purchase Agreement.
                 ---------

     "Warrant Issuance" means the issuance of Warrants to WIC pursuant to the
Warrant Agreement.

     "Warrant Purchase Agreement" means the Amended and Restated Warrant
Purchase Agreement dated of even date herewith between the Company and WIC,
pursuant to which at the Closing and at any Option Closings WIC will purchase
Warrants from the Company and both parties will enter into a Warrant
Agreement.

     "Warrants" means the warrants issued pursuant to the terms of the Warrant
Agreement.

     "Warrant Shares" means the shares of Common Stock issuable upon exercise of
the Warrants in accordance with the terms of the Warrant Agreement.

     "WIC" has the meaning set forth in the introductory paragraph hereof.

      SECTION 1.2  References and Titles.  All references in this Agreement to
Exhibits, Schedules, Articles, Sections, subsections and other subdivisions
refer to the corresponding Exhibits, Schedules, Articles, Sections, subsections
and other subdivisions of this Agreement unless expressly provided otherwise.
Titles appearing at the beginning of any Articles, Sections, subsections or
other

                                      -8-
<PAGE>

subdivisions of this Agreement are for convenience only, do not constitute any
part of such Articles, Sections, subsections or other subdivisions, and shall be
disregarded in construing the language contained therein. The words "this
Agreement," "herein," "hereby," "hereunder," and "hereof" and words of similar
import, refer to this Agreement as a whole and not to any particular subdivision
unless expressly so limited. The words "this Section," "this subsection," and
words of similar import, refer only to the Sections or subsections hereof in
which such words occur. The word "including" (in its various forms) means
"including without limitation." Pronouns in masculine, feminine or neuter
genders shall be construed to state and include any other gender, and words,
terms and titles (including terms defined herein) in the singular form shall be
construed to include the plural and vice versa, unless the context otherwise
expressly requires. Unless the context otherwise requires, all defined terms
contained herein shall include the singular and plural and the conjunctive and
disjunctive forms of such defined terms.

                                  ARTICLE II
                         PURCHASE OF PREFERRED SHARES

      Section 2.1  Agreement to Sell and to Purchase Shares.  Subject to the
terms and conditions herein set forth, the Company will issue and sell to
Purchaser, and Purchaser will purchase from the Company, at the Closing, such
number of whole Preferred Shares as shall be designated by Purchaser by notice
received by the Company at least three Business Days prior to the Closing Date;
provided, however, that the total number of Preferred Shares to be purchased by
Purchaser at the Closing shall not be less than 600,000 or more than 1,000,000
Preferred Shares.

     Section 2.2  Purchase Price and Payment.

     (a) The purchase price payable for the Preferred Shares shall be $25.00 per
Preferred Share (the "Purchase Price").

     (b) Payment of the aggregate Purchase Price for the Preferred Shares to be
purchased at the Closing shall be made at the Closing by or on behalf of
Purchaser by wire transfer of immediately available funds to an account of the
Company (the number for which account shall have been furnished to Purchaser at
least two Business Days prior to the Closing Date), provided that the Deposit
shall be deemed a credit to such Purchase Price as provided in Section
2.4(b)(i).

     Section 2.3  Delivery of Shares.  Delivery of the Preferred Shares to be
purchased at the Closing shall be made at the Closing by delivery to Purchaser,
against payment of the Purchase Price therefor as provided herein, of a share
certificate (or share certificates in such denominations as Purchaser may
reasonably request not later than three Business Days prior to the Closing Date)
representing the total number of Preferred Shares.

                                      -9-
<PAGE>

     Section 2.4  Deposit.

     (a) WIC has deposited in escrow the amount of $500,000 (the "Deposit")
under an Escrow Agreement dated December 9, 1999 between the Company, WIC and
Bank One, Texas, N.A., as escrow agent (the "Escrow Agreement").

     (b) The Deposit shall be held by Bank One, Texas, N.A. in escrow under the
Escrow Agreement and shall be disbursed only in accordance with the following
terms and conditions:

          (i)   If the purchase of the Preferred Shares at the Closing is
     consummated in accordance with the terms hereof, then concurrently with the
     Closing the Deposit shall be disbursed to the Company and applied to the
     Purchase Price to be paid by Purchaser for the Preferred Shares at the
     Closing.

          (ii)  If this Agreement is terminated by the Company pursuant to
     Section 7.1(f) or is terminated by any party pursuant to Section 7.1(e)
     (and provided that the Company is not then in material breach of any of its
     obligations hereunder), the Deposit shall be disbursed to the Company
     within three Business Days following such termination, to be retained by
     the Company as liquidated damages.  The retention by the Company of the
     Deposit shall be the sole remedy available to the Company in any such case.

          (iii) If this Agreement is terminated pursuant to Article VII and the
     Company is not entitled to a disbursement of the Deposit pursuant to
     Section 2.4(b)(ii), WIC shall be entitled to a return of the Deposit within
     three Business Days following such termination.

     Section 2.5  Option to Purchase Additional Preferred Shares.

     (a) Provided (i) the Closing occurs and (ii) the total number of Preferred
Shares purchased by Purchaser at the Closing is less than 1,000,000, then,
subject to the terms and conditions set forth in this Section 2.5, the Company
hereby grants to Purchaser an irrevocable option to purchase from the Company a
total number of shares of Series C Preferred Stock equal to (i)  1,000,000 less
(ii) the total number of Preferred Shares purchased by Purchaser at the Closing,
at an exercise price per share equal to the Purchase Price (the "Option").

     (b) The Option shall be exercisable at any time and from time to time
following the Closing and shall remain in full force and effect until 11:59
p.m., Dallas time, on the six-month anniversary of the Closing Date or on such
later date as may be mutually agreed to by the Company and WIC (the "Option
Term").

     (c) Purchaser may exercise the Option, in whole or in part, at any time and
from time to time during the Option Term; provided, however, that each exercise
of the Option must be for a whole number of Preferred Shares and for (i) at
least 20,000 Preferred Shares in the aggregate or (ii) 100% of the then
remaining shares subject to the Option.  Each such exercise shall be
irrevocable.

                                      -10-
<PAGE>


Notwithstanding the expiration of the Option Term, Purchaser shall be entitled
to purchase those Preferred Shares with respect to which it has exercised the
Option in accordance with the terms hereof prior to the expiration of the Option
Term. If Purchaser wishes to exercise the Option, it must send a written notice
of exercise to the Company specifying the total number of Preferred Shares it
intends to purchase pursuant to such exercise and such notice must be received
by the Company prior to the expiration of the Option Term. The closing of the
sale and purchase of Preferred Shares pursuant to an exercise of the Option (an
"Option Closing") shall be held at the principal executive offices of the
Company on a Business Day (the "Option Closing Date") not earlier than three
Business Days nor later than 10 Business Days after the date of receipt by the
Company of the notice of exercise of the Option.

     (d) If an Option Closing cannot be effected by reason of the application of
any Law, the Option Closing Date shall be extended to the fifth Business Day
following the expiration or termination of the restriction imposed by such Law.
Without limiting the foregoing, if prior notification to, or authorization of,
any Governmental Entity is required in connection with the purchase of Preferred
Shares at an Option Closing by virtue of the application of such Law, Purchaser
and, if applicable, the Company shall promptly file the required notice or
application for authorization and Purchaser, with the cooperation of the
Company, shall expeditiously process the same.

     (e) At each Option Closing, Purchaser shall pay to the Company in
immediately available funds by wire transfer to a bank account designated by the
Company an amount equal to the Purchase Price multiplied by the total number of
Preferred Shares to be purchased at such Option Closing. At each Option Closing,
simultaneously with the delivery to the Company of immediately available funds
as provided in the immediately preceding sentence, the Company shall deliver to
Purchaser a share certificate or certificates (in such denominations as
Purchaser may reasonably request) representing the total number of Preferred
Shares to be purchased at such Option Closing.

     (f) At each Option Closing, if Purchaser is not already a party to the
Stockholder Agreement, Purchaser shall execute and deliver to the Company a
written acknowledgment, in form and substance satisfactory to the Company, that
Purchaser has become a party to the Stockholder Agreement to the same extent as
if it had been an original signatory party thereto and that it agrees to be
bound by all the terms and provisions thereof.  At each Option Closing, the
Company shall deliver to Purchaser (i) a certificate dated the Option Closing
Date and executed by the Company confirming the accuracy of its representations
and warranties contained in Sections 3.1(e) and 3.1(f) and (ii) a written
opinion of the Company's counsel dated the Option Closing Date as to the matters
set forth in paragraphs 11(c), 11(d) and 11(e) of Exhibit G hereto, in each case
                                                  ---------
with respect to the Preferred Shares and Warrants purchased at such Option
Closing.

                                      -11-
<PAGE>

                                  ARTICLE III
                        REPRESENTATIONS AND WARRANTIES

     Section 3.1  Representations and Warranties of the Company.  The Company
represents and warrants to WIC and Purchaser as follows:

     (a) Organization, Standing and Power.  Each of the Company and its
Subsidiaries is a corporation or other entity duly organized, validly existing
and in good standing under the laws of the jurisdiction in which it is
incorporated or organized and has the requisite corporate or other such entity
power and authority to carry on its business as now being conducted.  Each of
the Company and its Subsidiaries is duly qualified or licensed to do business
and is in good standing in each jurisdiction in which the nature of its business
or the ownership or leasing of its properties makes such qualification or
licensing necessary, other than in such jurisdictions where the failure to be so
qualified or licensed or to be in good standing, individually or in the
aggregate, has not had and could not reasonably be expected to have a Material
Adverse Effect.  The Company has delivered to WIC prior to the execution of this
Agreement complete and correct copies of the Company's Certificate of
Incorporation and Bylaws, as in effect on the date of this Agreement, and has
made available to WIC the certificate of incorporation and bylaws (or comparable
organizational documents) of each of its Subsidiaries, in each case as in effect
on the date of this Agreement.

     (b) Subsidiaries.  Schedule 3.1(b)(i) of the Company Disclosure Schedule
sets forth a true and complete list, as of the date hereof, of each Subsidiary
of the Company, together with the jurisdiction of incorporation or organization
and the percentage of each Subsidiary's outstanding capital stock (or other
voting or equity securities or interests, as applicable) owned by the Company or
another Subsidiary of the Company.  Except as set forth in Schedule 3.1(b)(ii)
of the Company Disclosure Schedule, all the outstanding shares of capital stock
(or other voting or equity securities or interests, as applicable) of each
Subsidiary of the Company have been validly issued and (with respect to
corporate Subsidiaries) are fully paid and nonassessable and are owned directly
or indirectly by the Company, free and clear of all Liens.  Except for the
capital stock (or other voting or equity securities or interests, as applicable)
of its Subsidiaries and except as set forth in Schedule 3.1(b)(iii) of the
Company Disclosure Schedule, as of the date hereof, the Company does not own,
directly or indirectly, any capital stock (or other voting or equity securities
or interests, as applicable) of any corporation, limited liability company,
partnership, joint venture or other entity.

     (c)  Capital Structure.

          (i) The authorized capital stock of the Company consists of 20,000,000
     shares of Common Stock (which will be increased on the Closing Date to
     30,000,000 shares of Common Stock, par value $.01 per share, pursuant to
     the Restated Certificate) and 300,000 shares of preferred stock, par value
     $10.00 per share (which will be increased on the Closing Date to 1,300,000
     shares of preferred stock pursuant to the Restated Certificate), which
     shares of preferred stock may be divided into and issued in one or more
     series upon the

                                      -12-
<PAGE>

     creation thereof by the Board. As of the date hereof, 8,951,965 shares of
     Common Stock are issued and outstanding (including the associated preferred
     stock purchase rights issued pursuant to the Rights Agreement) and 176,204
     shares of Common Stock are held by the Company in its treasury. No shares
     of Common Stock are held by any of the Company's Subsidiaries. An aggregate
     of (A) 10,000 shares of preferred stock of the Company have been designated
     as the Series A Preferred Stock as of the date hereof (which will be
     cancelled on the Closing Date pursuant to the Certificate of Cancellation)
     and (B) 20,000 shares of preferred stock of the Company have been
     designated as the Series B Preferred Stock and reserved for issuance
     pursuant to the Rights Agreement, but none of such shares of preferred
     stock has been issued and there is no commitment, arrangement or
     understanding to issue any such shares.

          (ii)    There are no bonds, debentures, notes or other indebtedness
     issued or outstanding having the right to vote on any matters on which
     holders of capital stock of the Company may vote, including without
     limitation the approval of the Preferred Share Issuance, the Warrant
     Issuance and the Restated Certificate, and there is no commitment,
     arrangement or understanding to issue any of such bonds, debentures, notes
     or other indebtedness.

          (iii)   Except as contemplated in the Transaction Documents or as set
     forth in Schedule 3.1(c)(iii) of the Company Disclosure Schedule and except
     for the preferred stock purchase rights issued pursuant to the Rights
     Agreement, there are no outstanding warrants, stock options, stock
     appreciation rights or other rights to receive any capital stock of the
     Company granted by the Company under the Stock Plans or otherwise.
     Schedule 3.1(c)(iii) of the Company Disclosure Schedule sets forth a
     complete and correct list, as of the date hereof, of the number, class and
     series of shares subject to all such outstanding warrants, options, stock
     appreciation rights or other rights to receive any capital stock of the
     Company (collectively, "Company Options"), and the current exercise,
     conversion or base prices thereof.  Except for the Stock Plans and the
     Company Options and except as set forth above in this Section 3.1(c), as of
     the date hereof, there are no outstanding securities, options, warrants,
     calls, rights, commitments, agreements, arrangements or undertakings of any
     kind to which the Company or any of its Subsidiaries is a party or by which
     any of them is bound obligating the Company or any of its Subsidiaries
     under any circumstances to issue, deliver or sell, or cause to be issued,
     delivered or sold, additional shares of capital stock (or other voting or
     equity securities or interests, as applicable) of the Company or of any of
     its Subsidiaries or obligating the Company or any of its Subsidiaries to
     issue, grant, extend or enter into any such security, option, warrant,
     call, right, commitment, agreement, arrangement or undertaking.  Except as
     set forth in Schedule 3.1(c)(iii) of the Company Disclosure Schedule, there
     are no outstanding contractual obligations of the Company or any of its
     Subsidiaries to repurchase, redeem or otherwise acquire any shares of
     capital stock (or other voting or equity securities or interests, as
     applicable) of the Company or any of its Subsidiaries under any
     circumstances.

                                      -13-
<PAGE>

          (iv)  All outstanding shares of capital stock (or other voting or
     equity securities or interests, as applicable) of the Company and its
     Subsidiaries are, and all shares which may be issued under the Company
     Options will be when issued, duly authorized, validly issued, fully paid
     and nonassessable and not subject to preemptive or similar rights.

          (v)   Except as contemplated in the Transaction Documents or as set
     forth in the Stock Plans or in Schedule 3.1(c)(v) of the Company Disclosure
     Schedule, there are not as of the date hereof and there will not be at the
     time of the Closing any stockholder agreements, voting agreements or
     trusts, proxies or other agreements or contractual obligations to which the
     Company or any Subsidiary is a party or bound with respect to the voting or
     disposition of any shares of the capital stock (or other voting or equity
     securities or interests, as applicable) of the Company or any of its
     Subsidiaries and, to the Company's knowledge, as of the date hereof, there
     are no other stockholder agreements, voting agreements or trusts, proxies
     or other agreements or contractual obligations among the stockholders of
     the Company with respect to the voting or disposition of any shares of the
     capital stock (or other voting or equity securities or interests, as
     applicable) of the Company or any of its Subsidiaries.

     (d)  Authority; No Violations; Approvals.

          (i) The Board has approved this Agreement, the other Transaction
     Documents and the transactions contemplated hereby and thereby, has
     declared this Agreement, the other Transaction Documents and the
     transactions contemplated hereby and thereby to be in the best interests of
     the stockholders of the Company and has recommended to the Company's
     stockholders approval of the Preferred Share Issuance, the Warrant Issuance
     and the Restated Certificate.  The Company has all requisite corporate
     power and authority to enter into this Agreement and the other Transaction
     Documents and, subject to receipt of the approval referred to in the next
     following sentence, to consummate the transactions contemplated hereby and
     thereby.  The execution and delivery of this Agreement and the other
     Transaction Documents and the consummation of the transactions contemplated
     hereby and thereby have been duly authorized by all necessary corporate
     action on the part of the Company, other than the approval of the Preferred
     Share Issuance, the Warrant Issuance and the Restated Certificate by the
     Requisite Votes of the stockholders of the Company as provided in Section
     4.1.  This Agreement has been, and at the Closing and at any Option
     Closings, as applicable, the other Transaction Documents will be, duly
     executed and delivered by the Company and, assuming this Agreement and the
     other Transaction Documents constitute the valid, binding and enforceable
     obligations of the other parties thereto, constitute valid and binding
     obligations of the Company enforceable in accordance with their respective
     terms, subject, as to enforceability, to bankruptcy, insolvency,
     reorganization, moratorium and other laws of general applicability relating
     to or affecting creditors' rights and to general principles of equity
     (regardless of whether such enforceability is considered in a proceeding in
     equity or at law).

                                      -14-
<PAGE>

          (ii)   Except as set forth in Schedule 3.1(d)(ii) of the Company
     Disclosure Schedule, the execution and delivery of this Agreement and the
     other Transaction Documents does not, and the consummation of the
     transactions contemplated hereby and thereby and compliance with the
     provisions hereof and thereof will not, conflict with, or result in any
     violation of or default (with or without notice or lapse of time, or both)
     under, or give rise to a right of termination, cancellation or acceleration
     of any material obligation or to the loss of a material benefit under, or
     give rise to a right of purchase or "put" right under, or result in the
     creation of any Lien upon any of the properties or assets of the Company or
     any of its Subsidiaries under, any provision of (A) the Certificate of
     Incorporation or Bylaws of the Company or any provision of the comparable
     charter or organizational documents of any of its Subsidiaries, (B) the
     Indenture, (C) any other loan or credit agreement, note, bond, mortgage,
     indenture, lease or agreement to which the Company or any of its
     Subsidiaries is a party or is otherwise bound or any existing Approval
     applicable to the Company or any of its Subsidiaries, or (D) assuming the
     Approvals referred to in Section 3.1(d)(iii) are duly and timely obtained
     or made, any Law applicable to the Company or any of its Subsidiaries or
     any of their respective properties or assets, other than, in the case of
     clause (C) or (D), any such conflicts, violations, defaults, rights,
     losses, Liens or Laws that, individually or in the aggregate, have not and
     could not reasonably be expected to (x) have a Material Adverse Effect, (y)
     impair the ability of the Company to perform its obligations under any of
     the Transaction Documents in any material respect or (z) delay in any
     material respect or prevent the consummation of any of the transactions
     contemplated by any of the Transaction Documents.

          (iii)  No Approval of or from any Governmental Entity is required by
     or with respect to the Company or any of its Subsidiaries in connection
     with the execution and delivery of this Agreement or any other Transaction
     Document by the Company or the consummation by the Company of the
     transactions contemplated hereby or thereby, except for: (A) the filing of
     a notification report by the Company under the HSR Act and the expiration
     or termination of the applicable waiting period with respect thereto; (B)
     the filing of the Restated Certificate, the Certificate of Designation and
     the Certificate of Cancellation with the Secretary of State of Delaware in
     accordance with Section 103 of the Delaware General Corporation Law; (C)
     the filing with the SEC of (1) a proxy statement in preliminary and
     definitive form relating to the Stockholders' Meeting to be held in
     connection with the approval of the Preferred Share Issuance, the Warrant
     Issuance and the Restated Certificate (the "Proxy Statement") and (2) such
     reports under Section 13(a) of the Exchange Act and such other compliance
     with the Exchange Act as may be required in connection with this Agreement,
     the other Transaction Documents and the transactions contemplated hereby
     and thereby; (D) such Approvals as are required under the Securities Act in
     connection with the registration rights granted to WIC and Purchaser under
     the Stockholder Agreement; (E) such Approvals as may be required by any
     applicable state securities or "blue sky" laws; (F) such Approvals as may
     be required by any foreign securities, corporate or other Laws; and (G) any
     such Approvals the failure of which to be made or obtained has not and
     could not reasonably be expected to (1) impair the ability of the Company
     to perform its obligations under any of

                                      -15-
<PAGE>

     the Transaction Documents in any material respect or (2) delay in any
     material respect or prevent the consummation of any of the transactions
     contemplated by any of the Transaction Documents.

          (iv)  The Company has received the executed, irrevocable resignation
     of each of Andrew J. Shoup, Jr., Howard Hamilton and John W. Cushing III,
     from the Board (and, in the case of Mr. Shoup, from the offices of
     President and Chief Executive Officer), in each case effective immediately
     following the Closing on the Closing Date.

     (e)  Status of Preferred Shares, Conversion Shares and Dividend Shares.

          (i)   Subject to receipt of the approval of the Preferred Share
     Issuance and the Restated Certificate by the Company's stockholders as
     contemplated by Section 4.1, the issuance and sale of the Preferred Shares
     have been duly authorized by all necessary corporate action on the part of
     the Company (other than the filing of the Restated Certificate and the
     Certificate of Designation with the Secretary of State of Delaware), and
     the Preferred Shares, when delivered to Purchaser at the Closing and any
     Option Closing against payment of the Purchase Price therefor as provided
     herein, will be validly issued, fully paid and nonassessable, and the
     issuance and sale of the Preferred Shares are not and will not be subject
     to preemptive rights of any stockholder of the Company.

          (ii)  Subject to receipt of the approval of the Preferred Share
     Issuance and the Restated Certificate by the Company's stockholders as
     contemplated by Section 4.1, the reservation and issuance of the Conversion
     Shares and the Dividend Shares have been duly authorized by all necessary
     corporate action on the part of the Company (other than the filing of the
     Restated Certificate and the Certificate of Designation with the Secretary
     of State of Delaware), and the Conversion Shares, when issued upon
     conversion of the Preferred Shares in accordance with the terms of the
     Certificate of Designation, and the Dividend Shares, when issued in payment
     of dividends payable on the Preferred Shares in accordance with the terms
     of the Certificate of Designation, will be validly issued, fully paid and
     nonassessable, and the issuance of the Conversion Shares and the Dividend
     Shares are not and will not be subject to preemptive rights of any
     stockholder of the Company.

     (f)  Status of Warrants and Warrant Shares.

          (i)  Subject to receipt of the approval of the Warrant Issuance by the
     Company's stockholders as contemplated by Section 4.1, the issuance and
     sale of the Warrants have been duly authorized by all necessary corporate
     action on the part of the Company, and the Warrants, when issued, sold and
     delivered as provided in the Warrant Purchase Agreement and the Warrant
     Agreement, will be validly issued and will constitute valid and binding
     obligations of the Company enforceable in accordance with the terms of the
     Warrant Agreement, subject, as to enforceability, to bankruptcy,
     insolvency, reorganization, moratorium and other laws of general
     applicability relating to or affecting creditors' rights

                                      -16-
<PAGE>

     and to general principles of equity (regardless of whether such
     enforceability is considered in a proceeding in equity or at law).

          (ii)  Subject to receipt of the approval of the Warrant Issuance by
     the Company's stockholders as contemplated by Section 4.1, the reservation,
     issuance and sale of the Warrant Shares have been duly authorized by all
     necessary corporate action on the part of the Company, and the Warrant
     Shares, when issued and delivered upon exercise of the Warrants in
     accordance with the provisions of the Warrant Agreement, will be validly
     issued, fully paid and nonassessable, and the issuance and sale of the
     Warrant Shares are not and will not be subject to preemptive rights of any
     stockholder of the Company.

     (g) Requisite Votes.  Pursuant to Section 4.1, the Company will seek, at
the Stockholders' Meeting, the approval of (i) each of the Preferred Share
Issuance and the Warrant Issuance by the affirmative vote of (A) a majority of
the total votes cast on the proposal by the holders of Common Stock, in
accordance with Paragraph 312.07 of the NYSE Listed Company Manual, and (B) a
majority of the shares of Common Stock present in person or represented by proxy
at the Stockholders' Meeting and entitled to vote thereon, in accordance with
Section 216 of the Delaware General Corporation Law, and (ii) the Restated
Certificate by the affirmative vote of the holders of a majority of the issued
and outstanding shares of Common Stock entitled to vote thereon (the "Requisite
Votes").  There are no approvals of the Transaction Documents and the
transactions contemplated thereby that are required of the holders of any class
or series of capital stock of the Company under the requirements of the NYSE or
any Law other than the Requisite Votes.

     (h)  Certain Anti-Takeover Provisions; Amendment to Rights Agreement.

          (i)  The Board has duly approved each of WIC and Purchaser, and of WIC
     and Purchaser as a "group" (as such term is used in Rule 13d-5 of the rules
     and regulations promulgated under the Exchange Act), becoming an
     "interested stockholder" within the meaning of Section 203 of the Delaware
     General Corporation Law by reason of the acquisition by WIC and Purchaser
     of the Preferred Shares, the Conversion Shares, the Dividend Shares, the
     Warrants and the Warrant Shares, and such approval is sufficient to render
     inapplicable to the transactions contemplated by the Transaction Documents
     the restrictions contained in such Section 203.

          (ii) The Board has taken all necessary action to amend the Rights
     Agreement so that none of the execution and delivery of this Agreement and
     the other Transaction Documents and the consummation of the transactions
     contemplated hereby and thereby (including, without limitation, the receipt
     of Conversion Shares or Dividend Shares in respect of the Preferred Shares
     or the receipt of Warrant Shares upon the exercise of the Warrants) will
     upon the lapse of any waiting period cause (A) any of WIC, Purchaser or any
     "group" consisting of WIC or Purchaser to constitute an "Acquiring Person"
     (as defined in the Rights Agreement), (B) the preferred stock purchase
     rights issued pursuant to the Rights

                                      -17-
<PAGE>

     Agreement to become exercisable under the Rights Agreement or (C) the
     distribution of "Rights Certificates" (as defined in the Rights Agreement).

          (iii)  The Board has taken, or will take, all necessary action to
     approve the appointment of the Purchaser Designees to the Board so that
     such appointment will not contribute to or result in a "Change of Control"
     as defined in the Indenture.

     (i) SEC Documents.  The Company has made available to WIC a true and
complete copy of each report, schedule, registration statement and definitive
proxy statement filed by the Company with the SEC since December 31, 1997 and
prior to or on the date of this Agreement (the "Company SEC Documents"), which
are all the documents (other than preliminary materials) that the Company was
required to file with the SEC between December 31, 1997 and the date of this
Agreement.  As of their respective dates, the Company SEC Documents complied in
all material respects with the requirements of the Securities Act or the
Exchange Act, as the case may be, and the rules and regulations of the SEC
thereunder applicable to such Company SEC Documents, and none of the Company SEC
Documents contained any untrue statement of a material fact or omitted 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 financial statements of the Company included in the Company
SEC Documents complied as to form in all material respects with the published
rules and regulations of the SEC with respect thereto, were prepared in
accordance with United States generally accepted accounting principles ("GAAP")
applied on a consistent basis during the periods involved (except as may be
indicated in the notes thereto or, in the case of the unaudited statements, as
permitted by Rule 10-01 of Regulation S-X of the SEC) and fairly present in all
material respects and in accordance with applicable requirements of GAAP
(subject, in the case of the unaudited statements, to normal, recurring
adjustments, none of which is material) the consolidated financial position of
the Company and its consolidated Subsidiaries as of their respective dates and
the consolidated results of operations and the consolidated cash flows of the
Company and its consolidated Subsidiaries for the periods presented therein.

     (j) Information Supplied.  None of the information included or incorporated
by reference in the Proxy Statement will, at the date mailed to stockholders of
the Company or at the time of the Stockholders' Meeting or as of the Closing,
contain any statement which, at the time and in the light of the circumstances
under which it is made, is false or misleading with respect to any material fact
or omit to state any material fact necessary in order to make the statements
therein not false or misleading.  The Proxy Statement will comply as to form in
all material respects with the provisions of the Exchange Act.  The
representations and warranties contained in this Section 3.1(j) shall not apply
to statements or omissions in the Proxy Statement based upon information
furnished in writing to the Company by WIC or Purchaser expressly for use
therein.

     (k) Absence of Certain Changes or Events.  Except as set forth in Schedule
3.1(k) of the Company Disclosure Schedule or as disclosed in, or reflected in
the financial statements included in, the Company SEC Documents, or except as
contemplated by this Agreement, since December 31, 1998 the Company and its
Subsidiaries have conducted their business only in the ordinary course

                                      -18-
<PAGE>

consistent with past practice, and there has not occurred: (i) any event that
would have been prohibited by Section 4.4 if the terms of such Section had been
in effect as of and after December 31, 1998; (ii) any material casualties
affecting the Company or any of its Subsidiaries or any material loss, damage or
destruction to any of their respective properties or assets, including the Oil
and Gas Properties; or (iii) any event, circumstance or fact that has or could
reasonably be expected to (x) have a Material Adverse Effect, (y) impair the
ability of the Company to perform its obligations under any of the Transaction
Documents in any material respect or (z) delay in any material respect or
prevent the consummation of any of the transactions contemplated by any of the
Transaction Documents.

     (l) No Undisclosed Material Liabilities.  Except as disclosed in the
Company SEC Documents, there are no material liabilities or obligations of the
Company or any of its Subsidiaries of any kind whatsoever, whether accrued,
contingent, absolute, determined, determinable or otherwise, required by GAAP to
be recognized or disclosed on a consolidated balance sheet of the Company and
its consolidated Subsidiaries or in the notes thereto, other than: (i)
liabilities adequately provided for on the balance sheet of the Company dated as
of September 30, 1999 (including the notes thereto) contained in the Company's
Quarterly Report on Form 10-Q for the three months ended September 30, 1999;
(ii) liabilities incurred in the ordinary course of business consistent with
past practice since September 30, 1999; and (iii) liabilities arising under the
Transaction Documents.

     (m) No Default.  Neither the Company nor any of its Subsidiaries is in
default or violation (and no event has occurred which, with notice or the lapse
of time or both, would constitute a default or violation) of any term, condition
or provision of (i) the Certificate of Incorporation or Bylaws of the Company or
the comparable charter or organizational documents of any of its Subsidiaries,
(ii) any loan or credit agreement, note, bond, mortgage, indenture, lease,
instrument, permit, concession, franchise, license or any other contract,
agreement, arrangement or understanding to which the Company or any of its
Subsidiaries is a party or by which the Company or any of its Subsidiaries or
any of their respective properties or assets is bound, or (iii) any Law
applicable to the Company or any of its Subsidiaries, except in the case of
clauses (ii) and (iii), for violations or defaults that, individually or in the
aggregate, have not and could not reasonably be expected to (x) have a Material
Adverse Effect, (y) impair the ability of the Company to perform its obligations
under any of the Transaction Documents in any material respect or (z) delay in
any material respect or prevent the consummation of any of the transactions
contemplated by any of the Transaction Documents.  The Company (i) is not in
breach of or default under any financial covenant under the Restated Credit
Agreement dated May 10, 1999, among the Company, Bank One, Texas, N.A., as
agent, and the other parties thereto (the "Credit Facility") and (ii) does not
have any reason to believe that it will be in breach of or default under any
financial covenant under the Credit Facility as of the next date on which the
Company is required to be in compliance with any such financial covenant (other
than any breaches or defaults which the Company reasonably believes will be
waived by the lenders under the Credit Facility).

                                      -19-
<PAGE>

     (n) Compliance with Applicable Laws.  The Company and each of its
Subsidiaries has in effect all Approvals of all Governmental Entities necessary
for the lawful conduct of their respective businesses, and there has occurred no
default or violation (and no event has occurred which, with notice or the lapse
of time or both, would constitute a default or violation) under any such
Approval, except for failures to obtain, or for defaults or violations under,
Approvals which failures, defaults or violations, individually or in the
aggregate, have not and could not reasonably be expected to (i) have a Material
Adverse Effect, (ii) impair the ability of the Company to perform its
obligations under any of the Transaction Documents in any material respect or
(iii) delay in any material respect or prevent the consummation of any of the
transactions contemplated by any of the Transaction Documents.  Except as
disclosed in the Company SEC Documents, the businesses of the Company and its
Subsidiaries are in compliance with all applicable Laws, except for possible
noncompliance which, individually or in the aggregate, has not had and could not
reasonably be expected to have any effect referred to in clause (i), (ii) or
(iii) above.  No investigation or review by any Governmental Entity with respect
to the Company, any of its Subsidiaries, the transactions contemplated by this
Agreement and the other Transaction Documents, is pending or, to the knowledge
of the Company, threatened, nor has any Governmental Entity indicated to the
Company or any of its Subsidiaries any intention to conduct the same, other than
those the outcome of which, individually or in the aggregate, has not had and
could not reasonably be expected to have any effect referred to in clause (i),
(ii) or (iii) above.

     (o) Litigation.  Except as disclosed in the Company SEC Documents or set
forth in Schedule 3.1(o) of the Company Disclosure Schedule, there is no suit,
action, proceeding or claim, at law or in equity, pending before any
Governmental Entity, or, to the knowledge of the Company, threatened, against
the Company or any of its Subsidiaries ("Litigation"), and neither the Company
nor any of its Subsidiaries is a party to any Litigation, and the Company and
its Subsidiaries have no knowledge of any facts that are likely to give rise to
any Litigation, that, individually or in the aggregate, has or could reasonably
be expected to (i) have a Material Adverse Effect, (ii) impair the ability of
the Company to perform its obligations under any of the Transaction Documents in
any material respect or (iii) delay in any material respect or prevent the
consummation of any of the transactions contemplated by any of the Transaction
Documents, nor is there any Order of any Governmental Entity or arbitrator
outstanding against the Company or any of its Subsidiaries which, individually
or in the aggregate, has had or could reasonably be expected to have any effect
referred to in clause (i), (ii) or (iii) above.

     (p) Certain Agreements.

         (i) Except as set forth in Schedule 3.1(p)(i) of the Company Disclosure
     Schedule or as included as an exhibit to the Company's Annual Report on
     Form 10-K for the year ended December 31, 1998 or Quarterly Reports on Form
     10-Q for the quarters ended March 31, 1999, June 30, 1999 and September 30,
     1999, respectively, there are no (A) employment or consulting Contracts
     (unless such employment or consulting Contracts are terminable without
     liability or penalty on 30 days or less notice), (B) Contracts under which
     the Company or any of its Subsidiaries remains obligated to provide goods
     or services having

                                      -20-
<PAGE>

     a value, or to make payments aggregating (for Debt or otherwise), in excess
     of $500,000 per year with respect to any one Contract, (C) other Contracts
     that are material to the Company and its Subsidiaries, taken as a whole,
     and (D) Contracts with Affiliates, in any such case, to which the Company
     or any Subsidiary is a party or to which the Company or any Subsidiary or
     their respective assets are bound (such Contracts included as exhibits to
     such Company SEC Documents or disclosed or required to be disclosed in
     Schedule 3.1(p)(i), collectively the "Material Contracts"). Each Material
     Contract is a valid and binding obligation of the Company or one of its
     Subsidiaries and, to the knowledge of the Company, of each party thereto
     other than the Company or its respective Subsidiary and is in full force
     and effect.

          (ii)   The Company or the relevant Subsidiary and, to the knowledge of
     the Company, each other party to the Material Contracts, has performed in
     all material respects the obligations required to be performed by it under
     the Material Contracts and is not (with or without lapse of time or the
     giving of notice, or both) in breach or default thereunder in any material
     respect.

          (iii)  Schedule 3.1(p)(iii) of the Company Disclosure Schedule
     identifies, as to each Material Contract, (A) whether the consent of the
     other party thereto is required, (B) whether notice must be provided to any
     party thereto (and the length of such notice) and (C) whether any payments
     are required (and the amount of such payments), in each case in order for
     such Material Contract to continue in full force and effect upon the
     consummation of the transactions contemplated by the Transaction Documents,
     and (D) whether such Material Contract can be canceled by the other party
     without liability to such other party due to the consummation of the
     transactions contemplated by the Transaction Documents.

          (iv)   A complete copy of each written Material Contract has been made
     available to WIC prior to the date of this Agreement.  Schedule 3.1(p)(iv)
     sets forth a written description of each oral Material Contract.

          (v)    The Company has made available to WIC (A) true and correct
     copies of all loan or credit agreements, notes, bonds, mortgages,
     indentures and other agreements and instruments pursuant to which any Debt
     of the Company or any of its Subsidiaries is outstanding or may be incurred
     and (B) accurate information regarding the respective principal amounts
     currently outstanding thereunder.

     (q)  Title.

          (i)    Except as disclosed in the Company SEC Documents or set forth
     in Schedule 3.1(q)(i) of the Company Disclosure Schedule, the Company and
     its Subsidiaries have good and indefeasible title to all leasehold and
     other interests in oil, gas and other mineral properties owned by the
     Company or its Subsidiaries (the "Oil and Gas Properties"), which are
     necessary for the Company or its Subsidiaries to receive from the wells or
     units to be

                                      -21-
<PAGE>

     located on the Oil and Gas Properties, except as has not had and could not
     reasonably be expected to have, individually or in the aggregate, a
     Material Adverse Effect, a percentage of the oil, gas and other
     hydrocarbons produced from such well or unit equal to not less than the
     percentage set forth as the "Net Revenue Interest" in those portions of the
     Reserve Reports attributable thereto, without reduction, suspension, or
     termination throughout the productive life of each such lease, well or
     unit, free and clear of any Liens except for (A) Liens for taxes not yet
     due or with respect to matters being contested by the Company or a
     Subsidiary in good faith and for which adequate reserves are reflected in
     the Company SEC Documents, (B) Liens arising under operating agreements
     securing payments not yet due and payable and (C) other Liens that,
     individually or in the aggregate, could not reasonably be expected to have
     a Material Adverse Effect.  The Company's or a Subsidiary's expense bearing
     interest in any well or unit shall be, except as has not had and could not
     reasonably be expected to have, individually or in the aggregate, a
     Material Adverse Effect, no greater than the percentage set forth as the
     "Working Interest" for such well or unit in those portions of the Reserve
     Reports attributable thereto, without a corresponding and proportional
     increase in the Company's or such Subsidiary's Net Revenue Interest
     applicable thereto. To the knowledge of the Company, the underlying
     historical information used for preparation of the Reserve Reports was, at
     the time of delivery, true and correct in all material respects.

          (ii)   Except as disclosed in the Company SEC Documents or set forth
     in Schedule 3.1(q)(ii) of the Company Disclosure Schedule, the Company and
     its Subsidiaries have good and indefeasible title to all real property and
     good and marketable title to all other material properties and assets owned
     by the Company or its Subsidiaries and good and valid leasehold interests
     in all properties and assets, real or personal, leased by them (in all
     cases excluding the Oil and Gas Properties, which are the subject of the
     representations and warranties in Section 3.1(q)(i)), in each case free and
     clear of any Liens except for (A) Liens for taxes not yet due or with
     respect to matters being contested by the Company or a Subsidiary in good
     faith and for which adequate reserves are reflected in the Company SEC
     Documents, (B) statutory Liens arising in connection with the ordinary
     course of business securing payments not yet due and payable and (C) other
     Liens that, individually or in the aggregate, could not reasonably be
     expected to have a Material Adverse Effect.

     (r) Taxes.  Except as disclosed in the Company's Annual Report on Form 10-K
for the year ended December 31, 1998 or set forth in Schedule 3.1(r) of the
Company Disclosure Schedule and except for matters that, individually or in the
aggregate, have not had and could not reasonably be expected to have a Material
Adverse Effect:

          (i)    Each of the Company and its Subsidiaries has timely filed, or
     has had filed on its behalf in a timely manner (within any applicable
     extension periods), with the appropriate taxing authority all Tax Returns
     with respect to Taxes of the Company and its Subsidiaries;

                                      -22-
<PAGE>

          (ii)   All Taxes due and payable with respect to the Company and its
     Subsidiaries have been paid in full or have been adequately provided for in
     the Company SEC Documents in accordance with GAAP;

          (iii)  There are no outstanding agreements or waivers extending the
     statutory period of limitations applicable to any Tax Returns required to
     be filed by or with respect to the Company or any of its Subsidiaries;

          (iv)   None of the Tax Returns of or with respect to the Company or
     any of its Subsidiaries is currently being audited or examined by any
     taxing authority and there is no action, suit, proceeding, audit or claim
     now pending (or, to the knowledge of the Company, proposed) against or with
     respect to the Company or any of its Subsidiaries in respect of any Tax
     where there is a reasonable possibility of an adverse determination;

          (v)    No deficiency for any Taxes has been assessed with respect to
     the Company or any of its Subsidiaries that has not been abated or paid in
     full;

          (vi)   There are no Liens for Taxes upon any property or asset of the
     Company or any of its Subsidiaries, except for Liens for Taxes not yet due
     or with respect to matters being contested by the Company or a Subsidiary
     in good faith and for which adequate reserves are reflected in the Company
     SEC Documents;

          (vii)  Neither the Company nor any of its Subsidiaries has been a
     member of an affiliated, consolidated, combined or unitary group other than
     one of which the Company is the common parent; and

          (viii) Neither the Company nor any of its Subsidiaries is a party to
     any agreement providing for the allocation or sharing of Taxes with any
     entity that is not, directly or indirectly, a wholly-owned subsidiary of
     the Company.

     For purposes of this Agreement, (i) "Tax" means any net income, alternative
or add-on minimum tax, gross income, gross receipts, sales, use, ad valorem,
value added, transfer, franchise, profits, license, withholding on amounts paid
by the Company or any of its Subsidiaries, payroll, employment, excise,
production, severance, stamp, occupation, premium, property, environmental or
windfall profit tax, custom, duty or other tax, governmental fee or other like
assessment or charge of any kind whatsoever, together with any interest and/or
any penalty, addition to tax or additional amount imposed by any taxing
authority, and (ii) "Tax Return" means all returns, declarations, reports,
estimates, information returns and statements required to be filed by or with
respect to the Company or any of its Subsidiaries in respect of any Taxes.

     (s)  Employee Benefit Matters.

                                      -23-
<PAGE>

          (i)   Schedule 3.1(s) of the Company Disclosure Schedule lists each of
     the following which is sponsored, maintained or contributed to by the
     Company or a Subsidiary, or with respect to which the Company or any
     Subsidiary may have any liability, for the benefit of the employees of the
     Company or a Subsidiary, former employees of the Company or a Subsidiary,
     directors of the Company or a Subsidiary, former directors of the Company
     or a Subsidiary or any agents, consultants or similar representatives
     providing services to or for the Company or a Subsidiary, whether or not
     terminated prior to the Closing Date:

                (A) each "employee benefit plan," as such term is defined in
          Section 3(3) of ERISA ("Plan"); and

                (B) each personnel policy, stock option plan, stock purchase
          plan, stock appreciation rights plan, phantom stock plan, collective
          bargaining agreement, bonus plan or arrangement, incentive award plan
          or arrangement, vacation policy, severance pay plan, policy or
          agreement, deferred compensation agreement or arrangement, executive
          compensation or supplemental income arrangement, consulting agreement,
          employment agreement, change in control agreement and each other
          employee benefit plan, agreement, arrangement, program, practice or
          understanding which is not described in Section 3.1(s)(i)(A) ("Benefit
          Arrangement").

          (ii)  The Company has made available and will furnish to WIC true,
     correct and complete copies of:  (A) each of the Plans, related trusts,
     insurance or group annuity contracts and each other funding or financing
     arrangement relating to any Plan, including all amendments thereto; (B)
     with respect to each Plan required to file such report or furnish such
     description, the most recent Form 5500 and summary plan description; (C)
     all Benefit Arrangements (or descriptions thereof) (other than any
     consulting Contracts that are terminable without liability or penalty on 30
     days or less notice); (D) the most recent actuarial valuation report for
     each Plan subject to Title IV of ERISA; and (E) the most recent
     determination letter from the IRS for each of the Plans intended to be
     qualified under Section 401 of the Code, and any outstanding determination
     letter application for such Plans.

          (iii) Except as set forth in Schedule 3.1(s) of the Company
     Disclosure Schedule and except for matters that, individually or in the
     aggregate, have not had and could not reasonably be expected to have a
     Material Adverse Effect:

                (A) The Company and the Subsidiaries have substantially
          performed all obligations, whether arising by operation of Law or by
          contract, required to be performed by them in connection with the
          Plans and the Benefit Arrangements, and to the knowledge of the
          Company and the Subsidiaries there have been no defaults or violations
          by any other party to the Plans or Benefit Arrangements;

                (B) All reports and disclosures relating to the Plans required
          to be filed with or furnished to Governmental Entities, Plan
          participants or Plan beneficiaries

                                      -24-
<PAGE>

          have been filed or furnished in accordance with applicable Law in a
          timely manner, and each Plan and Benefit Arrangement has been
          administered in substantial compliance with its governing documents;

               (C) Each of the Plans intended to be qualified under Section 401
          of the Code satisfies the requirements of such Section and has
          received a favorable determination letter from the IRS regarding such
          qualified status and has not, since receipt of the most recent
          favorable determination letter, been amended or, to the knowledge of
          the Company or any Subsidiary, operated in a way which would adversely
          affect such qualified status;

               (D) Each Plan and Benefit Arrangement has been administered in
          material compliance with its terms, the applicable provisions of
          ERISA, the Code and all other applicable Laws and the terms of all
          applicable collective bargaining agreements;

               (E) There are no actions, suits or claims pending (other than
          routine claims for benefits) or, to the knowledge of the Company or
          any Subsidiary, threatened against (or any basis therefor), or with
          respect to, any of the Plans or Benefit Arrangements or their assets;

               (F) All contributions required to be made by the Company or a
          Subsidiary to the Plans pursuant to their terms and provisions have
          been made timely;

               (G) No Plan is subject to Title IV of ERISA or is a multiemployer
          plan, as defined in Section 4001(a)(3) of ERISA;

               (H) As to any Plan intended to be qualified under Section 401 of
          the Code, there has been no termination or partial termination of the
          Plan within the meaning of Section 411(d)(3) of the Code;

               (I) No act, omission or transaction has occurred which would
          result (directly or indirectly through any indemnification agreement)
          in imposition on the Company or any Subsidiary of (1) breach of
          fiduciary duty liability damages under Section 409 of ERISA, (2) a
          civil penalty assessed pursuant to subsections (c), (i) or (l) of
          Section 502 of ERISA or (3) a Tax imposed pursuant to Chapter 43 of
          Subtitle D of the Code;

               (J) To the knowledge of the Company and the Subsidiaries, there
          is no matter pending (other than routine qualification determination
          filings) with respect to any of the Plans before the IRS, the
          Department of Labor or the Pension Benefit Guaranty Corporation;

                                      -25-
<PAGE>

                (K) Each trust funding a Plan, which trust is intended to be
          exempt from federal income taxation pursuant to Section 501(c)(9) of
          the Code, satisfies the requirements of such Section and has received
          a favorable exemption letter from the IRS regarding such exempt status
          and has not, since receipt of the most recent favorable exemption
          letter, been amended or operated in a way which would materially
          adversely affect such exempt status;

                (L) Each Plan that is subject to Section 414(l) of the Code is a
          separate plan (within the meaning of Section 414(l) of the Code) of
          the Company or a Subsidiary; and

                (M) The execution and delivery of this Agreement and the
          consummation of the transactions contemplated hereby will not (1)
          require the Company or a Subsidiary to make a larger contribution to,
          or pay greater benefits under, any Plan or Benefit Arrangement than
          would otherwise be required or (2) create or give rise to any
          additional vested rights or service credits under any Plan or Benefit
          Arrangement.

          (iv)  Except as set forth in Schedule 3.1(s) of the Company Disclosure
     Schedule, neither the Company nor any Subsidiary is a party to any
     agreement, nor has it established any policy or practice, requiring it to
     make a payment or provide any other form of compensation or benefit to any
     Person performing services for the Company or any Subsidiary upon
     termination of such services which would not be payable or provided in the
     absence of the consummation of the transactions contemplated by this
     Agreement.

          (v)   Except as set forth in Schedule 3.1(s) of the Company Disclosure
     Schedule, no payments have been or are expected to be made under the Plans
     and Benefit Arrangements which, in the aggregate, would result in all or
     part of such payments not being deductible by the payor under Section 280G
     or 162(m) of the Code.

          (vi)  Except as set forth in Schedule 3.1(s) of the Company Disclosure
     Schedule, neither the Company nor any Subsidiary is a party to or bound by
     any severance agreement involving $50,000 or more with respect to any one
     Person.

          (vii) Except as set forth in Schedule 3.1(s) of the Company Disclosure
     Schedule, (1) no Plan or Benefit Arrangement provides retiree medical or
     retiree life insurance benefits to any Person and neither the Company nor
     any Subsidiary is contractually or otherwise obligated (whether or not in
     writing) to provide any Person with life insurance or medical benefits upon
     retirement or termination of employment, other than as required by the
     provisions of Sections 601 through 608 of ERISA and Section 4980B of the
     Code and (2) each Plan and Benefit Arrangement may be unilaterally
     terminated at any time by the Company or a Subsidiary without material
     liability, other than liability for benefits already accrued as of the date
     of such termination.

                                      -26-
<PAGE>

          (viii)  Except as set forth in Schedule 3.1(s) of the Company
     Disclosure Schedule, no Plan or Benefit Arrangement provides that payments
     pursuant to such Plan or Benefit Arrangement may be made in securities of
     the Company or a Subsidiary, nor does any trust maintained pursuant to any
     Plan or Benefit Arrangement hold any securities of the Company or a
     Subsidiary.

     (t) Employees.  Schedule 3.1(t) of the Company Disclosure Schedule sets
forth by number and employment classification the approximate numbers of
employees employed by the Company and its Subsidiaries as of the date of this
Agreement.  None of said employees is subject to union or collective bargaining
agreements with the Company or a Subsidiary.  Except as set forth in Schedule
3.1(t) of the Company Disclosure Schedule, the Company and its Subsidiaries have
not at any time on or after January 1, 1998 had or, to the knowledge of the
Company, been threatened with any work stoppages or other labor disputes or
controversies with respect to its employees.

     (u) Labor Matters.  Except as set forth in Schedule 3.1(u) of the Company
Disclosure Schedule or disclosed in the Company SEC Documents:

          (i)     Neither the Company nor any of its Subsidiaries is a party to
     any collective bargaining agreement or other current labor agreement with
     any labor union or organization, and there is no current union
     representation question involving employees of the Company or any of its
     Subsidiaries, nor does the Company or any of its Subsidiaries know of any
     activity or proceeding of any labor organization (or representative
     thereof) or employee group (or representative thereof) to organize any such
     employees;

          (ii)    There is no unfair labor practice charge or grievance arising
     out of a collective bargaining agreement or other grievance procedure
     against the Company or any of its Subsidiaries pending, or, to the
     knowledge of the Company, threatened, that, individually or in the
     aggregate, has or could reasonably be expected to (A) have a Material
     Adverse Effect, (B) impair the ability of the Company to perform its
     obligations under any of the Transaction Documents in any material respect
     or (C) delay in any material respect or prevent the consummation of any of
     the transactions contemplated by any of the Transaction Documents;

          (iii)   There is no complaint, lawsuit or proceeding in any forum by
     or on behalf of any present or former employee, any applicant for
     employment or any classes of the foregoing alleging breach of any express
     or implied contract of employment, any Law governing employment or the
     termination thereof or other discriminatory, wrongful or tortious conduct
     in connection with the employment relationship against the Company or any
     of its Subsidiaries pending, or, to the knowledge of the Company,
     threatened, that, individually or in the aggregate, has or could reasonably
     be expected to (A) have a Material Adverse Effect, (B) impair the ability
     of the Company to perform its obligations under any of the Transaction
     Documents in any material respect or (C) delay in any material respect or

                                      -27-
<PAGE>

     prevent the consummation of any of the transactions contemplated by any of
     the Transaction Documents;

          (iv)   There is no strike, dispute, slowdown, work stoppage or lockout
     pending, or, to the knowledge of the Company, threatened, against or
     involving the Company or any of its Subsidiaries that, individually or in
     the aggregate, has or could reasonably be expected to (A) have a Material
     Adverse Effect, (B) impair the ability of the Company to perform its
     obligations under any of the Transaction Documents in any material respect
     or (C) delay in any material respect or prevent the consummation of any of
     the transactions contemplated by any of the Transaction Documents;

          (v)    The Company and its Subsidiaries are in compliance with all
     applicable Laws respecting employment and employment practices, terms and
     conditions of employment, wages, hours of work and occupational safety and
     health, except for non-compliance that, individually or in the aggregate,
     has not and could not reasonably be expected to (A) have a Material Adverse
     Effect, (B) impair the ability of the Company to perform its obligations
     under any of the Transaction Documents in any material respect or (C) delay
     in any material respect or prevent the consummation of any of the
     transactions contemplated by any of the Transaction Documents; and

          (vi)   There is no proceeding, claim, suit, action or governmental
     investigation pending or, to the knowledge of the Company, threatened, in
     respect to which any current or former director, officer, employee or agent
     of the Company or any of its Subsidiaries is or may be entitled to claim
     indemnification from the Company or any of its Subsidiaries pursuant to the
     Certificate of Incorporation or Bylaws of the Company or any provision of
     the comparable charter or organizational documents of any of its
     Subsidiaries, as provided in any indemnification agreement to which the
     Company or any Subsidiary is a party or pursuant to applicable Law that,
     individually or in the aggregate, has or could reasonably be expected to
     (A) have a Material Adverse Effect, (B) impair the ability of the Company
     to perform its obligations under any of the Transaction Documents in any
     material respect or (C) delay in any material respect or prevent the
     consummation of any of the transactions contemplated by any of the
     Transaction Documents.

     (v) Intangible Property.  The Company and its Subsidiaries possess or have
adequate rights to use all material trademarks, trade names, patents, trade
secrets, service marks, brand marks, brand names, computer programs, databases,
industrial designs and copyrights necessary for the operation of the businesses
of each of the Company and its Subsidiaries as such businesses have been
conducted during the three-year period prior to the date hereof (collectively,
the "Intangible Property"), except where the failure to possess or have adequate
rights to use such properties, individually or in the aggregate, has not and
could not reasonably be expected to (i) have a Material Adverse Effect, (ii)
impair the ability of the Company to perform its obligations under any of the
Transaction Documents in any material respect or (iii) delay in any material
respect or prevent the consummation of any of the transactions contemplated by
any of the Transaction Documents.  All

                                      -28-
<PAGE>

of the Intangible Property is owned or licensed by the Company or its
Subsidiaries free and clear of any and all Liens, except those that,
individually or in the aggregate, have not and could not reasonably be expected
to (i) have a Material Adverse Effect, (ii) impair the ability of the Company to
perform its obligations under any of the Transaction Documents in any material
respect or (iii) delay in any material respect or prevent the consummation of
any of the transactions contemplated by any of the Transaction Documents, and
neither the Company nor any such Subsidiary has forfeited or otherwise
relinquished any Intangible Property which forfeiture, individually or in the
aggregate, has had or could reasonably be expected to have any effect referred
to in clause (i), (ii) or (iii) above. To the knowledge of the Company, the use
of the Intangible Property by the Company or its Subsidiaries does not, in any
material respect, conflict with, infringe upon, violate or interfere with or
constitute an appropriation of any right, title, interest or goodwill, including
any intellectual property right, trademark, trade name, patent, trade secret,
service mark, brand mark, brand name, computer program, database, industrial
design, copyright or any pending application therefor of any other Person.
Neither the Company nor any of its Subsidiaries has received any notice of any
claim or otherwise knows that any of the Intangible Property is invalid or
conflicts with the asserted rights of any other Person or has been used or
enforced or has failed to have been used or enforced in a manner that would
result in the abandonment, cancellation or unenforceability of any of the
Intangible Property, except for any such conflict, infringement, violation,
interference, claim, invalidity, abandonment, cancellation or unenforceability
that, individually or in the aggregate, has not and could not reasonably be
expected to (i) have a Material Adverse Effect, (ii) impair the ability of the
Company to perform its obligations under any of the Transaction Documents in any
material respect or (iii) delay in any material respect or prevent the
consummation of any of the transactions contemplated by any of the Transaction
Documents.

     (w)  Environmental Matters.   For purposes of this Agreement:

               (A) "Environmental Laws" means all federal, state and local laws
          (including common laws), rules, regulations, ordinances, orders and
          decrees of any Governmental Entity, whether now in existence or
          hereafter enacted and in effect at the time of Closing, relating to
          pollution or the protection of health, safety, ecology or the
          environment of any jurisdiction in which the Company or any of its
          Subsidiaries owns or operates assets or conducts business or owned or
          operated assets or conducted business (whether or not through a
          predecessor entity) (including ambient air, surface water,
          groundwater, land surface, subsurface strata, natural resources or
          wildlife), including but not limited to laws and regulations relating
          to Releases or threatened Releases of Hazardous Materials or otherwise
          relating to the manufacture, processing, distribution, use, treatment,
          storage, disposal, transport or handling of solid waste or Hazardous
          Materials, and any similar laws, rules, regulations, ordinances,
          orders and decrees of any foreign jurisdiction in which the Company or
          any of its Subsidiaries owns or operates assets or conducts business;

               (B) "Hazardous Materials" means (x) any radioactive materials,
          asbestos in any form that is or could become friable, urea
          formaldehyde foam insulation,

                                      -29-
<PAGE>

          polychlorinated biphenyls or transformers or other equipment that
          contain dielectric fluid containing polychlorinated biphenyls, (y) any
          chemicals, materials or substances which are now defined as or
          included in the definition of "solid wastes," "hazardous substances,"
          "hazardous wastes," "hazardous materials," "extremely hazardous
          substances," "restricted hazardous wastes," "toxic substances" or
          "toxic pollutants," or words of similar import, under any
          Environmental Law and (z) any other chemical, material, substance or
          waste, exposure to which is now prohibited, limited or regulated under
          any Environmental Law in a jurisdiction in which the Company or any of
          its Subsidiaries operates (for purposes of this Section 3.1(w)).

               (C) "Release" means any spill, effluent, emission, leaking,
          pumping, pouring, emptying, escaping, dumping, injection, deposit,
          disposal, discharge, dispersal, leaching or migration into the indoor
          or outdoor environment, or into or out of any property owned, operated
          or leased by the Company or its Subsidiaries; and

               (D) "Remedial Action" means all actions, including any capital
          expenditures, required by a Governmental Entity or required under any
          Environmental Law, or voluntarily undertaken to (w) clean up, restore,
          remove, treat or in any other way ameliorate or address the presence
          or effect of any Hazardous Materials or other substance in the indoor
          or outdoor environment; (x) prevent the Release or threat of Release,
          or minimize the further Release, of any Hazardous Material so it does
          not endanger or threaten to endanger the public or employee health or
          welfare of the indoor or outdoor environment; (y) perform pre-remedial
          studies and investigations or post-remedial monitoring and care
          pertaining or relating to a Release; or (z) bring the Company or its
          Subsidiaries into compliance with any Environmental Law.

     Except as disclosed in the Company SEC Documents or set forth in Schedule
3.1(w) of the Company Disclosure Schedule:

          (i)  The operations of the Company and its Subsidiaries have been
     conducted and are in compliance with all Environmental Laws, except where
     the failure to so comply, individually or in the aggregate, has not and
     could not reasonably be expected to (A) have a Material Adverse Effect, (B)
     impair the ability of the Company to perform its obligations under any of
     the Transaction Documents in any material respect or (C) delay in any
     material respect or prevent the consummation of any of the transactions
     contemplated by any of the Transaction Documents;

          (ii) The Company and its Subsidiaries have obtained all permits,
     licenses and registrations, or applications relating thereto, and have made
     all filings, reports and notices required under applicable Environmental
     Laws for the continued operations of their respective businesses, except
     such matters the lack or failure of which, individually or in the
     aggregate, has not and could not reasonably be expected to (A) have a
     Material Adverse

                                      -30-
<PAGE>

     Effect, (B) impair the ability of the Company to perform its obligations
     under any of the Transaction Documents in any material respect or (C) delay
     in any material respect or prevent the consummation of any of the
     transactions contemplated by any of the Transaction Documents;

          (iii)  The Company and its Subsidiaries are not subject to any
     outstanding written orders issued by, or contracts with, any Governmental
     Entity or other Person respecting (A) Environmental Laws, (B) Remedial
     Action, (C) any Release or threatened Release of a Hazardous Material or
     petroleum or petroleum products or (D) an assumption of responsibility for
     environmental liabilities of another Person, except such orders or
     contracts the compliance with which, individually or in the aggregate, has
     not and could not reasonably be expected to (x) have a Material Adverse
     Effect, (y) impair the ability of the Company to perform its obligations
     under any of the Transaction Documents in any material respect or (z) delay
     in any material respect or prevent the consummation of any of the
     transactions contemplated by any of the Transaction Documents;

          (iv)   The Company and its Subsidiaries have not received any written
     communication alleging, nor are aware of any facts that may reasonably
     indicate, a violation of or liability under any Environmental Law, which
     violation or liability, individually or in the aggregate, could or could
     reasonably be expected to (A) have a Material Adverse Effect, (B) impair
     the ability of the Company to perform its obligations under any of the
     Transaction Documents in any material respect or (C) delay in any material
     respect or prevent the consummation of any of the transactions contemplated
     by any of the Transaction Documents;

          (v)    To the knowledge of the Company, neither the Company nor any of
     its Subsidiaries has any contingent liability in connection with any
     existing Release of any Hazardous Material or petroleum or petroleum
     products into the indoor or outdoor environment (whether on-site or off-
     site) or employee or third party exposure to Hazardous Materials that,
     individually or in the aggregate, has or could reasonably be expected to
     (A) have a Material Adverse Effect, (B) impair the ability of the Company
     to perform its obligations under any of the Transaction Documents in any
     material respect or (C) delay in any material respect or prevent the
     consummation of any of the transactions contemplated by any of the
     Transaction Documents;

          (vi)   The operations of the Company or its Subsidiaries involving the
     generation, transportation, treatment, storage, recycling, reclaiming or
     disposal of hazardous or solid waste, as defined and regulated under 40
     C.F.R. Parts 260-270 (in effect as of the date of this Agreement) or any
     applicable state equivalent, are in compliance with applicable
     Environmental Laws, except where the failure to so comply, individually or
     in the aggregate, has not and could not reasonably be expected to (A) have
     a Material Adverse Effect, (B) impair the ability of the Company to perform
     its obligations under any of the Transaction Documents in any material
     respect, or (C) delay in any material respect or prevent the

                                      -31-
<PAGE>

     consummation of any of the transactions contemplated by any of the
     Transaction Documents; and

          (vii)  There is not now on or in any property of the Company or any
     Subsidiary or, to the knowledge of the Company, any property for which the
     Company or any Subsidiary is potentially liable, any of the following: (A)
     any underground storage tanks or surface impoundments or (B) any on-site
     disposal of Hazardous Material, any of which ((A) or (B) preceding),
     individually or in the aggregate, has or could reasonably be expected to
     (x) have a Material Adverse Effect, (y) impair the ability of the Company
     to perform its obligations under any of the Transaction Documents in any
     material respect or (z) delay in any material respect or prevent the
     consummation of any of the transactions contemplated by any of the
     Transaction Documents.

The effect of all material and immaterial inaccuracies in the underlying
statements contained in the foregoing clauses (i) through (vii), if individually
would not and would not reasonably be expected to (x) have a Material Adverse
Effect, (y) impair the ability of the Company to perform its obligations under
any of the Transaction Documents in any material respect or (z) delay in any
material respect or prevent the consummation of any of the transactions
contemplated by any of the Transaction Documents, would not in the aggregate do
so.

     (x) Insurance.  The Company and its Subsidiaries maintain insurance in such
amounts and covering such risks as are in accordance with normal industry
practice for companies engaged in businesses similar to those of the Company and
its Subsidiaries (taking into account the cost and availability of such
insurance).  Schedule 3.1(x) of the Company Disclosure Schedule sets forth a
schedule of the Company's and each of its Subsidiaries' directors' and officers'
liability insurance.

     (y) No Brokers or Finders.  Schedule 3.1(y) of the Company Disclosure
Schedule sets forth any engagement letter or similar arrangement with any agent,
broker, finder or investment or commercial banker that is applicable to the
transactions contemplated by this Agreement.  Except as set forth in Schedule
3.1(y) of the Company Disclosure Schedule, no agent, broker, finder, investment
or commercial banker or other Person engaged by or acting on behalf of the
Company in connection with the negotiation, execution or performance of this
Agreement is or will be entitled to any brokerage or finder's or similar fee or
other commission as a result of this Agreement.

     (z) Oil and Gas Operations.  In those instances in which the Company or a
Subsidiary serves as operator of a well that is currently a producing well or
undergoing drilling operations, it has drilled and completed (if applicable)
such well, and operated and produced such well, in accordance with generally
accepted oil and gas field practices and in compliance in all material respects
with applicable oil and gas leases and all applicable Laws, except where any
failure or violation could not reasonably be expected to have a Material Adverse
Effect.  All proceeds from the sale of oil, gas and other hydrocarbons produced
by the Company or a Subsidiary are being received by the Company or such
Subsidiary in a timely manner and are not being held in suspense

                                      -32-
<PAGE>

for any reason (except for amounts, individually or in the aggregate, not in
excess of $500,000 and held in suspense in the ordinary course of business).

     (aa)  Marketing of Production.  Except for Contracts included as an exhibit
to the Company's Annual Report on Form 10-K for the year ended December 31, 1998
or Quarterly Reports on Form 10-Q for the quarters ended March 31, 1999, June
30, 1999 and September 30, 1999, respectively, or in Schedule 3.1(p) of the
Company Disclosure Schedule (with respect to all of which Contracts the Company
represents that, to the knowledge of the Company, it or its Subsidiaries are
receiving a price for all production sold thereunder which is computed in
accordance with the terms of the relevant Contract), there exist no Material
Contracts for the sale of the Company's or any Subsidiary's production from the
leasehold and other interests in the Oil and Gas Properties other than (i)
Contracts pertaining to the sale of production at a price equal to or greater
than a price that is the market price from time to time existing in the areas
where the Oil and Gas Properties subject to such agreement or arrangement are
located and (ii) Contracts that are cancelable on 30 days notice or less without
penalty or detriment.

     (bb)  Prepayments.  Except as set forth in Schedule 3.1(bb) of the Company
Disclosure Schedule, neither the Company nor any Subsidiary is obligated, by
virtue of a prepayment arrangement, make-up right under a production sales
Contract containing a "take or pay" or similar provision, production payment or
any other arrangement, to deliver hydrocarbons, or proceeds from the sale
thereof, attributable to any of the Oil and Gas Properties at some future time
without then or thereafter being entitled to receive payment of the contract
price therefor.  The representations and warranties contained in this Section
3.1(bb) are not meant to apply to matters relating to gas imbalances, which are
exclusively covered in Section 3.1(cc).

     (cc)  Gas Imbalances.  Schedule 3.1(cc) of the Company Disclosure Schedule
sets forth, as of December 31, 1998, each gas imbalance and the aggregate, net
gas imbalance position of the Company and its Subsidiaries. Except as disclosed
in the Company SEC Documents or as set forth in Schedule 3.1(cc) of the Company
Disclosure Schedule, neither the Company nor any Subsidiary has (i) any
obligation to deliver gas from the Oil and Gas Properties (or cash in lieu
thereof) to other owners of interests in those properties as a result of past
production by the Company, any Subsidiary or any of their predecessors in excess
of the share to which they were entitled nor (ii) any right to receive
deliveries of gas from the Oil and Gas Properties (or cash in lieu there) from
other owners of interests in those properties as a result of past production by
the Company, any Subsidiary or any of their predecessors of less than the share
to which they were entitled, in either case where the amount of any such gas
imbalance would exceed $100,000.  Any change in the aggregate, net gas imbalance
position of the Company and its Subsidiaries as of December 31, 1999 from such
position as of December 31, 1998 will not have a Material Adverse Effect.

     (dd)  Customers and Suppliers.  None of the current customers or suppliers
of the Company or its Subsidiaries has refused, or communicated in writing to
the Company or any Subsidiary that it will or may refuse, to purchase or supply
products or services from or to the Company or its Subsidiaries or has
communicated in writing to the Company or any Subsidiary that

                                      -33-
<PAGE>

it will or may substantially reduce the amount of production, goods or services
that it is willing to purchase from or supply to the Company or its
Subsidiaries, where any such refusal or reduction would have a Material Adverse
Effect.

     (ee)  Reserve Reports.  The Company acknowledges and agrees that WIC has
been provided with true and complete copies of the Reserve Reports.

     (ff)  Nonconsent Operations. Except as set forth in Schedule 3.1(ff) of the
Company Disclosure Schedule, there are no operations on the Oil and Gas
Properties in which the Company or any Subsidiary has elected not to
participate.

     (gg)  Year 2000 Problem. The Company and its Subsidiaries have reviewed the
areas within their business and operations (including computer software and
hardware) which could be adversely affected by, and have developed or are
developing programs to address on a timely basis, any "Year 2000 Problem" (that
is, the risk that computer hardware or software used by the Company and its
Subsidiaries may be unable to recognize and perform properly date-sensitive
functions involving certain dates prior to and any dates after December 31,
1999). Based on such review and programs, the Company reasonably believes that
any such "Year 2000 Problem" substantially caused by its business or operations
will not, individually or in the aggregate, have, and no such problem or
problems has had, a Material Adverse Effect.

     (hh)  NYSE.  The Company has not received any notification from the NYSE
that it fails to meet the NYSE's minimum listing requirements for continued
listing, nor does the Company have knowledge of any basis for such a
notification.

     (ii)  Hedging.  Except as set forth in Schedule 3.1(ii) of the Company
Disclosure Schedule, as of the date of this Agreement, neither the Company nor
any of its Subsidiaries is bound by futures, hedge, swap, collar, put, call,
floor, cap, option or other similar contracts that are intended to benefit from
or reduce or eliminate the risk of fluctuations in the price of commodities,
including hydrocarbons, or securities (each such contract herein called a
"Hedge" and such activities herein called "Hedging").

     (jj)  Agreement and Irrevocable Proxy.  The Company has obtained from each
of its directors and executive officers and delivered to WIC an Agreement and
Irrevocable Proxy.

     (kk)  Supplemental Information Regarding the HSR Act.  Except for certain
assets of the Company or its Subsidiaries that neither the aggregate fair market
value nor the aggregate book value of which exceed $15,000,000 in the aggregate,
all assets of the Company and its Subsidiaries consist of "reserves of oil,
natural gas, shale or tar sands, or rights to reserves of oil, natural gas,
shale or tar sands, together with associated exploration or production assets"
within the meaning of 16 C.F.R. (S) 802.3.

                                      -34-
<PAGE>

      Section 3.2  Representations and Warranties of WIC and Purchaser.  Each of
WIC and Purchaser represents and warrants to the Company (but only as to itself
and not as to any other party) as follows:

     (a) Organization, Standing and Power.  WIC is a limited liability company
duly organized, validly existing and in good standing under the laws of the
State of Delaware and has the requisite limited liability company power and
authority to carry on its business as now being conducted.  Purchaser is a
corporation, partnership or limited liability company, as the case may be, duly
organized, validly existing and in good standing under the laws of the state of
its formation, and has the requisite corporate, partnership or limited liability
company power and authority to carry on its business as now being conducted.

     (b)  Authority; No Violations; Approvals.

          (i)   Each of WIC and Purchaser has approved the Transaction Documents
     to which it is a party and the transactions contemplated thereby.  WIC has
     all requisite limited liability company power and authority, and Purchaser
     has all requisite corporate, partnership or limited liability company, as
     the case may be, power and authority, to enter into the Transaction
     Documents to which it is a party and to consummate the transactions
     contemplated thereby.  The execution and delivery of the Transaction
     Documents to which it is a party and the consummation of the transactions
     contemplated thereby have been duly authorized by all necessary limited
     liability company action on the part of WIC and all necessary corporate,
     partnership or limited liability company, as the case may be, action on the
     part of Purchaser.  This Agreement has been, and at the Closing and at any
     Option Closings, as applicable, the other Transaction Documents to which it
     is a party will be, duly executed and delivered by WIC and Purchaser and,
     assuming this Agreement and the other Transaction Documents constitute the
     valid, binding and enforceable obligations of the Company, constitute valid
     and binding obligations of WIC and Purchaser enforceable in accordance with
     their respective terms, subject, as to enforceability, to bankruptcy,
     insolvency, reorganization, moratorium and other laws of general
     applicability relating to or affecting creditors' rights and to general
     principles of equity (regardless of whether such enforceability is
     considered in a proceeding in equity or at law).

          (ii)  The execution and delivery of this Agreement and the other
     Transaction Documents does not, and the consummation of the transactions
     contemplated hereby and thereby and compliance with the provisions hereof
     and thereof will not, conflict with, or result in any violation of or
     default (with or without notice or lapse of time, or both) under, or give
     rise to a right of termination, cancellation or acceleration of any
     material obligation or to the loss of a material benefit under, or give
     rise to a right of purchase or "put" right under, or result in the creation
     of any Lien upon any of the properties or assets of WIC or Purchaser under,
     any provision of (A) the organizational documents of WIC or Purchaser, (B)
     any loan or credit agreement, note, bond, mortgage, indenture, lease or
     other agreement to which WIC or Purchaser is a party or is otherwise bound
     or any existing Approval

                                      -35-
<PAGE>

     applicable to WIC or Purchaser or (C) assuming the Approvals referred to in
     Section 3.2(b)(iii) are duly and timely obtained or made, any Law
     applicable to WIC or Purchaser or any of their respective properties or
     assets, other than, in the case of clause (B) or (C), any such conflicts,
     violations, defaults, rights, losses, Liens or Laws that, individually or
     in the aggregate, have not and could not reasonably be expected to (x) have
     a material adverse effect on WIC or Purchaser, (y) impair the ability of
     WIC or Purchaser to perform its obligations under any of the Transaction
     Documents in any material respect or (z) delay in any material respect or
     prevent the consummation of any of the transactions contemplated by any of
     the Transaction Documents.

          (iii)  No Approval of or from any Governmental Entity is required by
     or with respect to WIC or Purchaser in connection with the execution and
     delivery of this Agreement or any other Transaction Document by WIC or
     Purchaser or the consummation by WIC or Purchaser of the transactions
     contemplated hereby or thereby, except for: (A) the filing of a
     notification report by WIC and Purchaser under the HSR Act and the
     expiration or termination of the applicable waiting period with respect
     thereto; and (B) any such Approvals the failure of which to be made or
     obtained has not and could not reasonably be expected to (1) impair the
     ability of WIC or Purchaser to perform its obligations under any of the
     Transaction Documents in any material respect or (2) delay in any material
     respect or prevent the consummation of any of the transactions contemplated
     by any of the Transaction Documents.

     (c) Information Supplied.   None of the information furnished by WIC or
Purchaser in writing for inclusion in the Proxy Statement and which is so
included in the Proxy Statement will, at the date mailed to stockholders of the
Company or at the time of the Stockholders' Meeting or as of the Closing,
contain any statement which, at the time and in the light of the circumstances
under which it is made, is false or misleading with respect to any material fact
or omit to state any material fact necessary in order to make the statements
therein not false or misleading.

     (d) Litigation.  There is no claim, action, suit, inquiry or judicial or
administrative proceeding pending or, to the knowledge of WIC or Purchaser,
threatened against WIC or Purchaser that could reasonably be expected to (i)
impair the ability of WIC or Purchaser to perform its obligations under any of
the Transaction Documents in any material respect or (ii) delay in any material
respect or prevent the consummation of any of the transactions contemplated by
any of the Transaction Documents.

     (e) Investment Intent.  The Preferred Shares, the Warrants and the
Underlying Common Shares to be acquired by WIC or Purchaser are being acquired
for its own account for investment and with no intention of distributing or
reselling such Preferred Shares, Warrants or Underlying Common Shares or any
part thereof or interest therein in any transaction which would be in violation
of any applicable Laws.

                                      -36-
<PAGE>


     (f) WIC and Purchaser Status.  WIC and Purchaser represent and warrant to
and covenant and agree with the Company that (i) at the time WIC and Purchaser
were offered the Preferred Shares and the Warrants, each of them was, (ii) at
the date of execution of this Agreement, WIC is and (iii) at the Closing Date
and at any Option Closing Dates, as applicable, each of them will be, an
accredited investor as defined in Rule 501(a) under the Securities Act.

     (g) No Brokers or Finders.  No agent, broker, finder, investment or
commercial banker or other Person engaged by or acting on behalf of WIC,
Purchaser or their Affiliates in connection with the negotiation, execution or
performance of this Agreement is or will be entitled to any brokerage or
finder's or similar fee or other commission as a result of this Agreement, other
than any such fees or commissions as to which WIC and Purchaser shall have full
responsibility.

     (h) Access to Information.  WIC and Purchaser represent and acknowledge
that they (i) have had access to and the opportunity to review the Company's
properties, assets, financial statements, contracts and other books and records
and have made such investigation with respect thereto as they deem necessary to
enter into the transactions contemplated hereby, (ii) have been afforded the
opportunity to ask appropriate representatives of the Company questions
concerning the business, assets, financial condition and prospects of the
Company and (iii) have been solely responsible for their own due diligence
investigation of the Company and its business, for their own analysis of the
merits and risks of an investment in the Preferred Shares, the Warrants and the
Underlying Common Shares, and for their own analysis of the terms of an
investment in the Preferred Shares, the Warrants and the Underlying Common
Shares.  Nothing contained in this Section 3.2(h) shall in any way limit the
representations and warranties of the Company set forth in this Agreement or the
rights of WIC and Purchaser with respect to any breach of such representations
and warranties.

     (i) No Other Shares.  Except for such rights as are conferred on WIC and
Purchaser by the Transaction Documents, neither WIC, Purchaser nor any of their
Affiliates beneficially owns, directly or indirectly, any shares of capital
stock of the Company.

                                  ARTICLE IV
                                   COVENANTS

     Section 4.1  Stockholder Approval; Proxy Statement.

     (a) The Company shall take all actions necessary in accordance with the
Certificate of Incorporation, the Bylaws, the rules of the NYSE and other
applicable Law to call a meeting of its stockholders (the "Stockholders'
Meeting") to be held as promptly as practicable after the date hereof for the
purpose of approving the Preferred Share Issuance, the Warrant Issuance and the
Restated Certificate.  The Company, WIC and Purchaser shall consult and
cooperate with each other in connection with the Stockholders' Meeting.  Subject
to the provisions of Section 4.1(b), the Company shall cause the Board (i) not
to withdraw, modify or change its recommendation that the Company's stockholders
approve the Preferred Share Issuance, the Warrant Issuance and the

                                      -37-
<PAGE>

Restated Certificate and (ii) to continue to recommend to the stockholders of
the Company the approval of such matters. As promptly as practicable after the
execution of this Agreement, the Company shall prepare and file with the SEC the
Proxy Statement with respect to the approval by the Company's stockholders of
the Preferred Share Issuance, the Warrant Issuance and the Restated Certificate,
which Proxy Statement shall contain the Board's recommendation that the
Company's stockholders approve the Preferred Share Issuance, the Warrant
Issuance and the Restated Certificate. As promptly as practicable after the
clearance of the Proxy Statement by the SEC (but not earlier than the Financing
Commitment Date, unless WIC and Purchaser have previously delivered to the
Company the Commitment Letter), the Company shall mail the Proxy Statement to
its stockholders of record at least 20 calendar days prior to the Stockholders'
Meeting and shall from and after such mailing, unless the Board has taken the
action permitted to be taken by it pursuant to the provisions of Section 4.1(b),
use its reasonable best efforts to solicit and obtain the Requisite Votes of the
stockholders of the Company with respect to approval of the Preferred Share
Issuance, the Warrant Issuance and the Restated Certificate. The Company, WIC
and Purchaser shall cooperate with each other in preparing the Proxy Statement,
and the Company, WIC and Purchaser shall each use its reasonable best efforts to
obtain and furnish as promptly as reasonably practicable the information
required to be included in the Proxy Statement. The Company, WIC and Purchaser
each agrees promptly to correct any information provided by it for use in the
Proxy Statement if and to the extent that such information shall have become
false or misleading in any material respect, and the Company further agrees to
take all steps necessary to cause the Proxy Statement as so corrected to be
filed with the SEC and to be disseminated promptly to its stockholders, in each
case as and to the extent required by applicable Law.

     (b) Notwithstanding anything contained in this Agreement to the contrary,
the Board may at any time prior to the Closing withdraw, modify or change any
recommendation and declaration regarding the Transaction Documents and the
transactions contemplated thereby, or approve, recommend or declare advisable
any Alternative Transaction Proposal, if and only if, after receipt of a
Superior Proposal, in the good faith opinion of the Board, after consultation
with its outside legal counsel, the failure to so withdraw, modify or change its
recommendation and declaration or the failure to so approve, recommend or
declare advisable any Alternative Transaction Proposal will be inconsistent with
the Board's fiduciary obligations under applicable Law.

      Section 4.2  NYSE Listing.  The Company shall submit a listing application
to the NYSE with respect to the Underlying Common Shares as promptly as
practicable after the date hereof, and WIC and Purchaser shall be entitled to
review and comment on such listing application and the submission of any other
materials to the NYSE in connection with the listing of the Underlying Common
Shares.  The Company shall use its reasonable best efforts to cause the
Underlying Common Shares to be approved for listing on the NYSE, subject to
official notice of issuance.

      Section 4.3  Affirmative Covenants of the Company.  The Company hereby
covenants and agrees that, until the earlier of the Closing or the termination
of this Agreement, except as set forth in Schedule 4.3 of the Company Disclosure
Schedule, or unless otherwise expressly contemplated

                                      -38-
<PAGE>

by the Transaction Documents or consented to in writing by WIC and Purchaser
(such consent not to be unreasonably withheld), the Company will and will cause
each of its Subsidiaries to:

     (a) operate its business in the usual and ordinary course consistent with
past practice;

     (b) use all reasonable efforts to preserve substantially intact its
business organization, maintain its rights and franchises, retain the services
of its respective officers and key employees and maintain its relationships with
its respective customers and suppliers;

     (c) use all reasonable efforts to maintain and keep its properties and
assets in as good a repair and condition as at present, ordinary wear and tear
excepted, and use commercially reasonable efforts to maintain supplies and
inventories in quantities consistent with its customary business practices;

     (d) use all reasonable efforts to keep in full force and effect insurance
and bonds comparable in amount and scope of coverage to that currently
maintained;

     (e) consult and cooperate with WIC in an effort to develop a mutually
acceptable Hedging strategy for the Company effective upon the Closing; and

     (f) consult with WIC with respect to the advisability of amending or
replacing the Credit Facility and cooperate in all reasonable respects with WIC
in connection with any discussions between WIC and existing and potential
lenders with respect thereto.

     Section 4.4  Negative Covenants of the Company.  Except as expressly
contemplated by the Transaction Documents or otherwise consented to in writing
by WIC and Purchaser (such consent not to be unreasonably withheld) or as set
forth in Schedule 4.4 of the Company Disclosure Schedule, from the date of this
Agreement until the earlier of the Closing or the termination of this Agreement,
the Company shall not do, and shall not permit any of its Subsidiaries to do,
any of the following:

     (a) acquire, by merging or consolidating with, by purchasing an equity
interest in or a 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 any assets of any other Person (other
than the purchase of assets in the ordinary course of business and consistent
with past practice);

     (b) sell, lease, exchange, mortgage, pledge, transfer or otherwise dispose
of any of its assets, except for pledges or dispositions of assets in the
ordinary course of business and consistent with past practice;

     (c) adopt or propose to adopt any amendments to the Company's Certificate
of Incorporation or Bylaws; reclassify any shares of the Company's capital
stock; adopt resolutions

                                      -39-
<PAGE>

authorizing a liquidation, dissolution, merger, consolidation, restructuring,
recapitalization or other reorganization of the Company or any Subsidiary; or
make any other material changes in the Company's capital structure;

     (d) (i) change in any material respect any method of accounting or
accounting practice, (ii make or rescind any express or deemed election relating
to Taxes, settle or compromise any Litigation, audit or controversy relating to
Taxes, or change any of its methods of reporting income or deductions for
federal or other income Tax purposes from those employed in the preparation of
the federal or other income Tax Returns or other Tax Returns for the taxable
year ended December 31, 1998, except, in the case of either clause (i) or clause
(ii), as may be required by Law or GAAP or (iii) file any material amended Tax
Return;

     (e) incur any Debt, whether or not evidenced by a note, bond, debenture or
similar instrument or under any financing lease, whether pursuant to a sale-and-
leaseback transaction or otherwise, other than (i) Hedging in the ordinary
course and consistent with past practice, (ii) other Debt (which may include
obligations under letters of credit or similar facilities obtained by the
Company to secure its Hedging activities) not to exceed $2,000,000 in the
aggregate at any time outstanding and (iii) other obligations and liabilities
incurred in the ordinary course and consistent with past practice;

     (f) make any loans or advances to any Person, other than (i) advances to
employees in the ordinary and usual course of business not to exceed $10,000 in
the aggregate at any time outstanding and (ii) transactions among or between the
Company and its Subsidiaries with respect to cash management conducted in the
ordinary and usual course of the Company's business;

     (g) declare or pay any dividend or make any other distribution with respect
to its capital stock, other than dividends paid by any Subsidiary to the Company
or another Subsidiary in the ordinary and usual course of the Company's or such
Subsidiary's business;

     (h) issue, sell or deliver (whether through the issuance or granting of
options, warrants, commitments, subscriptions, rights to purchase or otherwise)
any of its capital stock or other securities except (i) pursuant to the Company
Options, (ii) for awards granted automatically under or granted pursuant to
elections made by participants under the Stock Plans after the date hereof or
(iii) pursuant to the awards described in clause (ii); or purchase or otherwise
acquire any of its capital stock, employee or director stock options, warrants
or other equity securities or debt securities;

     (i) enter into, adopt or (except as may be required by Law) amend or
terminate any collective bargaining agreement, Plan or Benefit Arrangement;
approve or implement any employment severance arrangements (provided that this
covenant shall not prohibit payments made in accordance with the Company's or a
Subsidiary's severance policy as in effect on the date hereof and set forth on
Schedule 3.1(s) of the Company Disclosure Schedule), authorize, enter into or
amend any employment, severance, consulting services or other agreement with any
officers or

                                      -40-
<PAGE>

executive management personnel; or change the compensation or benefits provided
to any director, officer or (except in the ordinary and usual course of
business) employee as of the date hereof;

     (j) materially amend, terminate or fail to use all commercially reasonable
efforts to renew any Material Contract (provided that the Company or its
Subsidiaries shall not be required to renew any Material Contract on terms that
are less favorable to the Company or its Subsidiaries), or default in any
material respect (or take or omit to take any action that, with or without the
giving of notice or passage of time, would constitute a material default) under
any Material Contract;

     (k) waive any material right relating to the Oil and Gas Properties that
would not be waived by a reasonably prudent operator;

     (l) release or abandon any of the Oil and Gas Properties, except in the
ordinary course of business;

     (m) convey, farmout or otherwise dispose of any interest in the Oil and Gas
Properties or any part thereof, except in the ordinary course of business;

     (n) with respect to the period commencing on the date hereof and ending on
December 31, 1999 and with respect to each three-month period thereafter, engage
in any material operations, or series of related operations, on any Oil and Gas
Properties that the Company or a Subsidiary has not previously committed to and
that may be expected to cost the Company or a Subsidiary during such period in
excess of $5,000,000 in the aggregate (except for emergency operations, in which
case the Company will promptly notify WIC of such operations), except in the
ordinary course of business;

     (o) enter into any Hedge, except in the ordinary course of business and
consistent with past practice;

     (p) except in the ordinary course of business and consistent with past
practice, enter into, assign, terminate or amend, in any material respect, any
Material Contract or any other contract or agreement by which the Oil and Gas
Properties are bound; or

     (q) agree in writing or otherwise to do any of the foregoing.

     Section 4.5  Reasonable Best Efforts; Financing.

     (a) The Company, WIC and Purchaser each agree to cooperate and use their
reasonable best efforts to obtain (and will promptly prepare all registrations,
filings and applications, requests and notices preliminary to) all Approvals
that may be necessary or reasonably requested by the Company, WIC or Purchaser
to consummate the transactions contemplated by this Agreement and the other
Transaction Documents.

                                      -41-
<PAGE>

     (b) WIC and Purchaser shall use their reasonable best efforts (i) to obtain
for Purchaser debt or equity financing or other funds in an aggregate amount
sufficient to consummate the purchase of the Preferred Shares in accordance with
Section 2.1 (the "Financing") and (ii) in connection therewith, to deliver to
the Company by the Financing Commitment Date a commitment letter (the
"Commitment Letter") from WIC and Purchaser pursuant to which WIC and Purchaser
represent and warrant to the Company that they have obtained the Financing or
have received conditional assurances from other parties regarding the Financing,
and that based upon such assurances they believe in good faith that they will be
able to deliver the Financing by the Closing Date.  Such representations and
warranties shall be deemed to be representations and warranties made by WIC and
Purchaser (including any Persons that have or thereafter become permitted
assignees under Section 9.12) under Section 3.2.  For purposes of this
Agreement, the "Financing Commitment Date" means the later of (i) the 75th day
following the date of this Agreement and (ii) the date the Proxy Statement has
been cleared by the SEC for delivery to the Company's stockholders (either by
written or oral notification to such effect delivered to the Company or its
representative or as a result of the passage of time following the filing of
preliminary proxy materials in accordance with the SEC's proxy rules) (it being
understood and agreed that such clearance shall be deemed to have been obtained
for purposes of this definition if all comments (if any) of the SEC regarding
the Proxy Statement have been resolved and all disclosures therein finalized
other than those relating to the status of the Financing, the identity of
Purchaser and the time of the Stockholders' Meeting); provided, however, that
the provisions of clause (ii) of this sentence shall operate to extend the
Financing Commitment Date beyond the 75th day following the date of this
Agreement only if and for so long as WIC and Purchaser remain in compliance with
their covenants under Sections 4.1(a) and 4.5(a).

     Section 4.6  Other Transaction Documents.  At (and subject to the
occurrence of) the Closing, (a) the Company, WIC and Purchaser shall enter into
the Stockholder Agreement, (b) the Company and WIC shall enter into the
Management Agreement and the Warrant Agreement and (c) the Company shall file
the Restated Certificate, the Certificate of Designation and the Certificate of
Cancellation with the Secretary of State of Delaware in accordance with Section
103 of the Delaware General Corporation Law.  The Company shall cooperate with
WIC to replace the Bylaws of the Company with new bylaws of the Company
effective as of the Closing.  Such new bylaws shall be consistent with the
provisions of the Management Agreement and the Stockholder Agreement and
otherwise be mutually satisfactory to the Company and WIC (the "Restated
Bylaws").

     Section 4.7  HSR Act Notification.  Each of WIC and the Company
contemplates that, assuming the accuracy of the representation and warranty
contained in Section 3.1(kk), no filing under the HSR Act will be required in
connection with the transactions contemplated hereby.  If at any time prior to
the Closing, however, any facts come to the attention of WIC or the Company that
cause it to reasonably believe that such representation and warranty is
inaccurate, WIC and the Company shall immediately cooperate to determine whether
such a filing under the HSR Act will in fact be required.  If WIC and the
Company cannot agree that such a filing will not be required, then each of the
parties hereto shall as promptly as practicable (a) file or cause to be filed
with the Federal Trade Commission and the United States Department of Justice,
all reports and other

                                      -42-
<PAGE>

documents required to be filed by such party under the HSR Act concerning the
transactions contemplated hereby and (b) comply with or cause to be complied
with any requests by the Federal Trade Commission or the United States
Department of Justice for additional information concerning such transactions,
in each case so that the waiting period applicable to this Agreement and the
transactions contemplated hereby under the HSR Act shall expire as soon as
practicable after the execution and delivery of this Agreement. Each party
hereto agrees to request, and to cooperate with the other party or parties in
requesting, early termination of any applicable waiting period under the HSR
Act. All filing fees required under the HSR Act shall be the responsibility of,
and shall be paid by, the Company.

      Section 4.8  Notification of Certain Matters.  The Company shall give
prompt notice to WIC and Purchaser, and WIC and Purchaser shall give prompt
notice to the Company, of (a) the occurrence, or failure to occur, of any event
that causes any representation or warranty of such party contained in this
Agreement to be untrue or inaccurate at any time from the date of this Agreement
to the Closing Date and (b) any failure of such party to comply with or satisfy,
in any material respect, any covenant, condition or agreement to be complied
with or satisfied by such party under this Agreement.

     Section 4.9  No Solicitation by Company.

     (a) The Company agrees that (i) neither it nor any of its Subsidiaries
shall, and it shall not knowingly permit any of its officers, directors,
employees, agents or representatives (including, without limitation, any
investment banker, attorney or accountant retained by it or any of its
Subsidiaries) (collectively, "Company Agents") to, solicit, initiate or
knowingly encourage (including by way of furnishing material non-public
information) any inquiry, proposal or offer (including, without limitation, any
proposal or offer to its stockholders) with respect to an Alternative
Transaction (any such inquiry, proposal or offer herein called an "Alternative
Transaction Proposal") or participate or engage in any discussions or
negotiations concerning an Alternative Transaction Proposal; and (ii) it will
immediately cease and cause to be terminated any existing negotiations with any
third parties conducted heretofore with respect to any of the foregoing and
shall advise its Company Agents to immediately cease all such activities;
provided, however, that nothing contained in this Agreement shall prevent the
Company or the Board from (A) complying with Rules 14d-9 and 14e-2 promulgated
under the Exchange Act with regard to an Alternative Transaction Proposal, or
(B) providing information to, or participating or engaging in any discussions or
negotiations with, any Person (or group of Persons) who has made an unsolicited
Alternative Transaction Proposal with respect to a potential Alternative
Transaction if and only to the extent that (i) the Board determines in good
faith (after consultation with its legal and financial advisors) that such
Alternative Transaction Proposal is reasonably capable of being completed,
taking into account all legal, financial, regulatory and other aspects of the
Alternative Transaction Proposal and the Person making the Alternative
Transaction Proposal, and would, if consummated, result in a transaction more
favorable to the Company's stockholders than the transactions contemplated by
the Transaction Documents (a "Superior Proposal"), (ii) the Board determines in
good faith (after consultation with its outside legal counsel) that the failure
to do so would be

                                      -43-
<PAGE>

inconsistent with its fiduciary obligations under applicable Law, (iii) prior to
providing any information or data to any Person in connection with a Superior
Proposal by any such Person, the Board receives from such Person an executed
confidentiality agreement that is in reasonably customary form and consistent
with the Company's obligations hereunder, and (iv) prior to providing any
information or data to any Person or entering into discussions or negotiations
with any Person, the Board notifies WIC and Purchaser promptly of such
inquiries, proposals or offers received by, any such information requested from,
or any such discussions or negotiations sought to be initiated or continued
with, the Company, any of its Subsidiaries or any of their Company Agents
indicating, in connection with such notice, the identity of such Person and the
material terms and conditions of any proposals or offers.

     (b) The Company shall promptly notify WIC and Purchaser of the receipt of
any Alternative Transaction Proposal, including the identity of the Person
making such inquiry, proposal or offer, and the material terms and conditions of
any such proposal, and shall keep WIC and Purchaser informed on a timely basis
of any material changes with respect thereto.

     (c) Nothing in this Section 4.9 shall permit the Company to enter into any
agreement with respect to an Alternative Transaction Proposal during the term of
this Agreement, it being agreed that during the term of this Agreement, the
Company shall not enter into any agreement with any Person that provides for, or
in any way facilitates, an Alternative Transaction Proposal, other than a
confidentiality agreement that is in reasonably customary form and consistent
with the Company's obligations hereunder.

     (d) For purposes of this Agreement, "Alternative Transaction" means any of
(i) a transaction pursuant to which any Person or Persons other than WIC,
Purchaser or their Affiliates (a "Third Party") acquires or would acquire more
than 5% of the outstanding shares of any class of equity securities of the
Company, whether from the Company or pursuant to a tender offer or exchange
offer or otherwise, (ii) a merger, consolidation or other business combination
involving the Company pursuant to which any Third Party acquires more than 5% of
the outstanding equity securities of the Company or the entity surviving such
merger, consolidation or business combination, or (iii) any transaction pursuant
to which any Third Party acquires or would acquire control of assets (including
for this purpose the outstanding equity securities of Subsidiaries of the
Company and securities of the entity surviving any merger, consolidation or
business combination including any of the Company's Subsidiaries) of the
Company, or any of its Subsidiaries, having a fair market value (as determined
by the Board in good faith) equal to more than 5% of the fair market value of
all the assets of the Company and its Subsidiaries, taken as a whole,
immediately prior to such transaction.

     Section 4.1  Access; Confidentiality.

     (a) At all times during normal business hours from and after the date
hereof until the earlier of the Closing or the termination of this Agreement,
the Company shall afford WIC and Purchaser and their authorized representatives
reasonable access to the properties, employees and

                                      -44-
<PAGE>

officers of the Company and to all books and records of every kind of the
Company as WIC or Purchaser may reasonably request.

     (b) WIC, Purchaser and their Affiliates shall, and shall cause their
representatives to, hold confidential all information relating to the Company or
its Subsidiaries that they have received prior to the date hereof or may receive
on or after the date hereof from the Company or any of its representatives;
provided, however, that the foregoing shall not apply to (i) information that is
or becomes generally available to the public other than as a result of a
disclosure by WIC, Purchaser or any of their Affiliates or representatives in
violation of this Section 4.10(b), (ii) information that is or becomes available
to WIC or Purchaser or any of their representatives on a nonconfidential basis
from a source other than the Company or its Affiliates or representatives,
provided that such source is not known by WIC or Purchaser to be bound by a
confidentiality agreement with or other obligation of secrecy to the Company or
any other party, or (iii) information that is required to be disclosed by WIC or
Purchaser or any of their representatives as a result of any applicable Law;
provided further, however, that in the event information is required to be
disclosed pursuant to clause (iii) above, the Person proposing such disclosure
shall provide to the Company to the extent practicable an opportunity,
reasonably in advance of any such disclosure, to review and comment on the form
and content of such proposed disclosure.

      Section 4.11  Transfer Restrictions.  If WIC or Purchaser should decide to
dispose of any of the Preferred Shares, the Warrants or the Underlying Common
Shares, WIC and Purchaser understand and agree that they may do so only pursuant
to an effective registration statement under the Securities Act or pursuant to
an exemption from registration under the Securities Act.  In connection with any
offer, resale, pledge or other transfer (individually and collectively, a
"Transfer") of any of the Preferred Shares, the Warrants or the Underlying
Common Shares other than pursuant to an effective registration statement, the
Company may require that the transferor of such Preferred Shares, Warrants or
Underlying Common Shares provide to the Company an opinion of counsel, which
opinion shall be reasonably satisfactory in form and substance to the Company,
to the effect that such Transfer is being made pursuant to an exemption from, or
in a transaction not subject to, the registration requirements of the Securities
Act and any state or foreign securities Laws.  WIC and Purchaser agree to the
imprinting, so long as appropriate, of substantially the following legend on
certificates representing the Preferred Shares, the Warrants and the Underlying
Common Shares:

     THE SECURITIES (THE "SECURITIES") EVIDENCED HEREBY HAVE NOT BEEN
     REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
     "SECURITIES ACT"), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD
     EXCEPT AS SET FORTH IN THE FOLLOWING SENTENCE. BY ITS ACQUISITION
     HEREOF, THE HOLDER AGREES THAT IT WILL NOT OFFER, RESELL, PLEDGE
     OR OTHERWISE TRANSFER (INDIVIDUALLY AND COLLECTIVELY, A
     "TRANSFER") THE SECURITIES EVIDENCED HEREBY, EXCEPT (A) PURSUANT
     TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT,
     OR (B) PURSUANT TO AN

                                      -45-
<PAGE>

     EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT SUCH AS THE
     EXEMPTION SET FORTH IN RULE 144 UNDER THE SECURITIES ACT (IF
     AVAILABLE). IF THE PROPOSED TRANSFER IS TO BE MADE OTHER THAN
     PURSUANT TO CLAUSE (A) ABOVE, THE HOLDER MUST, PRIOR TO SUCH
     TRANSFER, FURNISH TO THE COMPANY AND THE TRANSFER AGENT SUCH
     CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS THEY MAY
     REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE
     PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT
     TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT OR ANY
     STATE OR FOREIGN SECURITIES LAW.

     The legend set forth above may be removed if and when the Preferred Shares
or the Underlying Common Shares, as the case may be, represented by such
certificate are disposed of pursuant to an effective registration statement
under the Securities Act or pursuant to the exemption from registration set
forth in Rule 144 under the Securities Act.  The certificates representing the
Preferred Shares, the Warrants and the Underlying Common Shares shall also bear
any additional legends required by applicable Laws or by the Stockholder
Agreement or the Warrant Agreement. Any such legend may be removed when, in the
opinion of counsel reasonably satisfactory to the Company, such legend is no
longer required under the applicable requirements of such Laws or is no longer
required under the applicable provisions of such agreements, as the case may be.
WIC and Purchaser agree that, in connection with any Transfer of Preferred
Shares or Underlying Common Shares by them pursuant to an effective registration
statement under the Securities Act, WIC and Purchaser will comply with any
applicable  prospectus delivery requirements of the Securities Act. The Company
makes no representation, warranty or agreement as to the availability of any
exemption from registration under the Securities Act with respect to any resale
of Preferred Shares, Warrants or Underlying Common Shares.

                                   ARTICLE V
                           CONDITIONS PRECEDENT TO
                                    CLOSING

     Section 5.1  Conditions Precedent to Each Party's Obligation.  The
respective obligations of the Company, WIC and Purchaser to effect the
transactions contemplated hereby are subject to the satisfaction on or prior to
the Closing Date of the following conditions:

     (a) Stockholder Approval.  The stockholders of the Company shall have
approved the Preferred Share Issuance, the Warrant Issuance and the Restated
Certificate by the Requisite Votes at the Stockholders' Meeting.

     (b) Other Approvals.  All Approvals of, or expirations of waiting periods
imposed by, any Governmental Entity necessary for the consummation of the
transactions contemplated by this

                                      -46-
<PAGE>

Agreement shall have been filed, occurred or been obtained, including the
expiration or termination of any applicable waiting period under the HSR Act.

     (c) No Injunctions or Restraints.  No temporary restraining order,
preliminary or permanent injunction, or other order issued by any court of
competent jurisdiction or other legal restraint or prohibition preventing the
consummation of the transactions contemplated hereby shall be in effect.

     (d) No Governmental Action.  No action shall have been taken nor any
statute, rule or regulation shall have been enacted by any Governmental Entity
that makes the consummation of the transactions contemplated hereby illegal.

     Section 5.2  Conditions Precedent to Obligations of WIC and Purchaser.
The obligations of WIC and Purchaser to effect the transactions contemplated by
this Agreement to be consummated at the Closing is subject to the satisfaction
of the following conditions unless waived, in whole or in part, by WIC and
Purchaser.

     (a) Representations and Warranties.  The representations and warranties of
the Company set forth in this Agreement shall be true and correct in all
material respects (provided that any representation or warranty of the Company
contained herein that is qualified by a materiality standard or a Material
Adverse Effect qualification shall not be further qualified hereby) as of the
date of this Agreement and as of the Closing Date as though made on and as of
the Closing Date, except as otherwise expressly contemplated by this Agreement,
and WIC and Purchaser shall have received a certificate to the foregoing effect
signed on behalf of the Company by the chief executive officer or by the chief
financial officer of the Company.

     (b) Performance of Obligations.  The Company shall have performed in all
material respects (provided that any covenant or agreement that is qualified by
a materiality standard or Material Adverse Effect qualification shall not be
further qualified hereby) all obligations required to be performed by it under
this Agreement prior to the Closing, and WIC and Purchaser shall have received a
certificate to such effect signed on behalf of the Company by the chief
executive officer or by the chief financial officer of the Company.

     (c) Material Adverse Effect.  Since the date of this Agreement, there shall
not have occurred any Material Adverse Effect.

     (d) Consents Under Agreements.  WIC and Purchaser shall have been furnished
with evidence reasonably satisfactory to them of the consent or approval of each
Person that is a party to a Material Contract and whose consent or approval is
required in order to prevent the consummation of the transactions contemplated
by this Agreement from causing or resulting in (i) a breach of such Material
Contract or (ii) the creation in favor of such Person of a right to terminate
such Material Contract, and such consent or approval shall be in form and
substance reasonably satisfactory to WIC and Purchaser; provided that no such
consent or approval shall be required with respect to any

                                      -47-
<PAGE>

employment or consulting Contract identified on Schedule 3.1(s) of the Company
Disclosure Schedule to which the provisions of clause (ii) above would otherwise
apply.

     (e) Legal Opinion.  WIC and Purchaser shall have received from Thompson &
Knight L.L.P., corporate counsel to the Company and its Subsidiaries, an opinion
dated the Closing Date, in substantially the form attached as Exhibit G hereto.
                                                              ---------

     (f) Charter and Bylaws; Certificate of Designation; Certificate of
Cancellation.  The Restated Certificate, the Certificate of Designation and the
Certificate of Cancellation shall have been filed by the Company with the
Secretary of State of Delaware in accordance with Section 103 of the Delaware
General Corporation Law.  The Board shall have approved and adopted the Restated
Bylaws effective as of the Closing.

     (g) Board Composition.  The Company shall have taken all action required to
be taken by it under Section 2.1(a) and (b) of the Stockholder Agreement with
respect to the composition of the Board and the Executive Committee of the Board
immediately following the Closing.

     (h) Financing.  The proceeds of the Financing necessary to consummate the
purchase of the Preferred Shares hereunder shall have been received by
Purchaser.  The condition set forth in the immediately preceding sentence shall
be deemed irrevocably satisfied upon delivery to the Company of the Commitment
Letter.

     (i) NYSE Listing.  The Underlying Common Shares shall have been approved
for listing on the NYSE, subject to official notice of issuance.

     (j) Closing Deliveries.  All documents, instruments, certificates or other
items required to be delivered by the Company pursuant to Section 6.2(b) shall
have been delivered.

      Section 5.3  Conditions Precedent to Obligation of Company.  The
obligation of the Company to effect the transactions contemplated by this
Agreement to be consummated at the Closing is subject to the satisfaction of the
following conditions unless waived, in whole or in part, by the Company:

     (a) Representations and Warranties.  The representations and warranties of
WIC and Purchaser set forth in this Agreement shall be true and correct in all
material respects (provided that any representation or warranty of WIC and
Purchaser contained herein that is qualified by a materiality standard shall not
be further qualified hereby) as of the date of this Agreement and as of the
Closing Date as though made on and as of the Closing Date, except as otherwise
expressly contemplated by this Agreement, and the Company shall have received a
certificate to the foregoing effect signed on behalf of WIC and Purchaser by one
or more managing members or executive officers of WIC and Purchaser.

                                      -48-
<PAGE>

     (b) Performance of Obligations.  WIC and Purchaser shall have performed in
all material respects (provided that any covenant or agreement that is qualified
by a materiality standard shall not be further qualified hereby) all obligations
required to be performed by them under this Agreement prior to the Closing, and
the Company shall have received a certificate to such effect signed on behalf of
WIC and Purchaser by one or more managing members or executive officers of WIC
and Purchaser.

     (c) Legal Opinion.  The Company shall have received from Andrews & Kurth
L.L.P., corporate counsel to WIC and Purchaser, or from such other counsel to
any Purchaser as is reasonably acceptable to the Company, an opinion or opinions
dated the Closing Date, in substantially the form attached as Exhibit H hereto.
                                                              ---------

     (d) Closing Deliveries.  All documents, instruments, certificates or other
items required to be delivered by WIC and Purchaser pursuant to Section 6.2(a)
shall have been delivered.

                                  ARTICLE VI
                                    CLOSING

     Section 6.1  Closing.  Subject to the satisfaction or waiver of the
conditions set forth in Article V, the closing of the purchase and sale of the
Preferred Shares pursuant to Section 2.1 (the "Closing") shall occur (a) at the
offices of Thompson & Knight L.L.P., 1700 Pacific Avenue, Suite 3300, Dallas,
Texas 75201, at 10:00 a.m., local time, on the second Business Day following the
later of (i) satisfaction of the condition to the obligations of the parties set
forth in Section 5.1(a) and (ii) expiration or earlier termination of any
waiting period under the HSR Act applicable to the transactions contemplated
hereby, or (b) at such other location and time as may be mutually agreed upon by
the parties hereto.  The date on which the Closing is required to take place is
herein referred to as the "Closing Date".  All closing transactions at the
Closing shall be deemed to have occurred simultaneously.

     Section 6.2  Actions to Occur at the Closing.

     (a)  At the Closing, WIC and Purchaser, as applicable, shall deliver to the
Company the following:

          (i)    the Purchase Price for the Preferred Shares to be purchased at
     the Closing, in accordance with Section 2.1;

          (ii)   counterparts of the Management Agreement executed by WIC;

          (iii)  counterparts of the Stockholder Agreement executed by WIC and
     Purchaser;

          (iv)   (A) the purchase price for the Warrants in accordance with the
     Warrant Purchase Agreement and (B) counterparts of the Warrant Agreement
     executed by WIC;

                                      -49-
<PAGE>

          (v)    counterparts of the Employment Agreement executed by George K.
     Hickox, Jr.;

          (vi)   the certificates described in Sections 5.3(a) and 5.3(b); and

          (vii)  the opinion of counsel referred to in Section 5.3(c).

     (b) At the Closing, the Company shall deliver to WIC and Purchaser, as
applicable, the following:

          (i)    a share certificate or share certificates representing the
     Preferred Shares to be purchased at the Closing;

          (ii)   counterparts of the Management Agreement executed by the
     Company;

          (iii)  counterparts of the Stockholder Agreement executed by the
     Company;

          (iv)   counterparts of the Warrant Agreement executed by the Company;

          (v)    counterparts of the Employment Agreement executed by the
     Company;

          (vi)   the certificates described in Sections 5.2(a) and 5.2(b);

          (vii)  the original of each consent or approval, if any, pursuant to
     Section 5.2(d);

          (viii) the opinion of counsel referred to in Section 5.2(e); and

          (ix)   a certificate or certificates of the secretary of state or
     similar authority of each of the jurisdictions referred to in the second
     sentence of Section 3.1(a), dated as of a date within five Business Days
     prior to the Closing Date, certifying as to the good standing of the
     Company or its Subsidiary (as the case may be) in such jurisdiction.


                                  ARTICLE VII
                                  TERMINATION

     Section 7.1  Termination.   This Agreement may be terminated prior to the
Closing:

     (a)  by mutual consent of WIC, Purchaser and the Company; or

     (b)  by either WIC and Purchaser, on the one hand, or the Company, on the
other:

                                      -50-
<PAGE>

          (i)    in the event of a breach by the other party of any
     representation, warranty, covenant or agreement of such other party
     contained in this Agreement which (A) would give rise to the failure of a
     condition set forth in Section 5.2(a) or 5.2(b) or Section 5.3(a) or 5.3(b)
     with respect to the Closing, and (B) cannot be cured or, if it is capable
     of being cured, has not been cured within 20 days following receipt by the
     breaching party of written notice of such breach (the "Cure Period")
     (provided that in no event shall the Cure Period extend beyond the date on
     which the Closing is scheduled to take place pursuant to Section 6.1 and
     there shall not be a Cure Period for breaches of the covenants set forth in
     the third sentence of Section 4.1(a) or in Section 4.9); or

          (ii)   if a court of competent jurisdiction or other Governmental
     Entity shall have issued an order, decree or ruling or taken any other
     action (which order, decree or ruling WIC, Purchaser and the Company shall
     use their reasonable best efforts to lift), in each case permanently
     restraining, enjoining or otherwise prohibiting the transactions
     contemplated by this Agreement, and such order, decree, ruling or other
     action shall have become final and nonappealable; or

          (iii)  if the required approval of the stockholders of the Company
     shall not have been obtained by reason of the failure to obtain the
     Requisite Votes upon a vote held at a duly held meeting of stockholders, or
     at any adjournment thereof; or

          (iv)   if the Closing shall not have occurred by the later of (A) June
     15, 2000, and (B) the date to which the Closing Date is extended pursuant
     to Section 6.1; provided, however, that the right to terminate this
     Agreement under this clause (iv) shall not be available to any party whose
     breach of this Agreement has been the cause of, or resulted in, the failure
     of the Closing to occur on or before such date; or

     (c)  by the Company, if, as a result of a Superior Proposal received by the
Company, the Board determines in good faith that its fiduciary obligations under
applicable Law require that such Superior Proposal be accepted; provided that
the Company may not effect such termination pursuant to this Section 7.1(c)
unless and until (i) WIC and Purchaser receive at least one week's prior written
notice from the Company of its intention to effect such termination pursuant to
this Section 7.1(c); (ii) during such week, the Company shall, and shall cause
its respective financial and legal advisors to, consider any adjustment in the
terms and conditions of the Transaction Documents that WIC and Purchaser may
propose; and (iii) the Board shall have concluded in good faith, after
considering applicable provisions of Law and after giving effect to all
adjustments which may be offered by WIC and Purchaser pursuant to clause (ii)
above, on the basis of advice of its outside counsel, that such action is
necessary for the Board to act in a manner consistent with its fiduciary duties
under applicable Law; provided further, that it shall be a condition to the
effectiveness of termination by the Company pursuant to this Section 7.1(c) that
the Company shall have made the payment of the fee to WIC required by Section
9.5(a);

                                      -51-
<PAGE>

     (d) by WIC and Purchaser, if the Company or the Board shall withdraw,
modify or change its recommendation of the Transaction Documents and the
transactions contemplated thereby in a manner adverse to WIC and Purchaser or
approve, recommend or declare advisable any Alternative Transaction Proposal; or

     (e) by WIC, Purchaser or the Company, if the Commitment Letter shall not
have been received by the Company by the Financing Commitment Date; or

     (f) by the Company, (i) in the event of a breach by WIC or Purchaser of its
representations and warranties referred to in clause (ii) of the first sentence
of Section 4.5(b) or its covenants and agreements set forth in Section 4.6 or
(ii) if Purchaser shall not have received the proceeds of the Financing by, or
is otherwise unable or refuses to deliver the total Purchase Price of the
Preferred Shares to be purchased at the Closing on, the date on which the
Closing is scheduled to take place pursuant to Section 6.1.

     The right of any party hereto to terminate this Agreement pursuant to this
Section 7.1 shall remain operative and in full force and effect regardless of
any investigation made by or on behalf of any party hereto, any person
controlling any such party or any of their respective officers, directors,
employees, accountants, consultants, legal counsel, agents or other
representatives, whether prior to or after the execution of this Agreement.

     Section 7.2  Effect of Termination.  In the event of the termination by a
party of this Agreement, written notice thereof shall forthwith be given to the
other party specifying the provision hereof pursuant to which such termination
is made, and this Agreement (except for the provisions of this Section 7.2,
Section 2.4, Section 4.10(b), Article VIII and Article IX, which shall survive
such termination) shall forthwith become null and void.  Subject to the
provisions of Sections 2.4 and 9.5, in the event of a termination of this
Agreement by either the Company, WIC or Purchaser as provided above, there shall
be no liability on the part of the Company, WIC or Purchaser except for
liability arising out of a breach of, or misrepresentation under, this
Agreement.

                                   ARTICLE VII
                                INDEMNIFICATION

     Section 8.1  Indemnification of WIC and Purchaser.  Subject to the
provisions of this Article VIII, the Company agrees to indemnify and hold
harmless the Purchaser Indemnified Parties from and against any and all
Purchaser Indemnified Costs.

     Section 8.2  Indemnification of Company.  Subject to the provisions of
this Article VIII, WIC and each Purchaser agree to indemnify and hold harmless
the Company Indemnified Parties from and against any and all Company Indemnified
Costs.  The indemnification obligation of each Purchaser hereunder shall be
several and not joint, and shall be further limited to a share of the total
Company Indemnified Costs that is proportionate to such Purchaser's share of the
total Purchase Price paid for the Preferred Shares.

                                      -52-
<PAGE>

     Section 8.3  Defense of Third-Party Claims.  An Indemnified Party shall
give prompt written notice to any Person who is obligated to provide
indemnification hereunder (an "Indemnifying Party") of the commencement or
assertion of any action, proceeding, demand or claim by a third party
(collectively, a "third-party action") in respect of which such Indemnified
Party shall seek indemnification hereunder.  Any failure so to notify an
Indemnifying Party shall not relieve such Indemnifying Party from any liability
that it may have to such Indemnified Party under this Article VIII unless the
failure to give such notice materially and adversely prejudices such
Indemnifying Party.  The Indemnifying Party shall have the right to assume
control of the defense of, settle or otherwise dispose of such third-party
action on such terms as it deems appropriate; provided, however, that:

     (a) The Indemnified Party shall be entitled, at its own expense, to
participate in the defense of such third-party action (provided, however, that
the Indemnifying Party shall pay the attorney's fees of one counsel (provided
that if any such third-party action is brought in a jurisdiction other than
Texas, the Indemnifying Party shall also pay the attorney's fees of one local
counsel) to the Indemnified Party if (i) the employment of separate counsel
shall have been authorized in writing by such Indemnifying Party in connection
with the defense of such third-party action, (ii) the Indemnifying Party shall
not have employed counsel reasonably satisfactory to the Indemnified Party to
have charge of such third-party action, (iii) counsel to the Indemnified Party
shall have reasonably concluded that there may be defenses available to the
Indemnified Party that are different from or additional to those available to
the Indemnifying Party, (iv) counsel to the Indemnified Party and the
Indemnifying Party shall have advised their respective clients in writing, with
a copy delivered to the other party, that there is a conflict of interest that
could make it inappropriate under applicable standards of professional conduct
to have common counsel) or (v) the third-party action is a proceeding brought by
a stockholder of the Company (in such stockholder's name or derivatively on
behalf of the Company) in respect of the transactions contemplated by this
Agreement);

     (b) The Indemnifying Party shall obtain the prior written approval of the
Indemnified Party before entering into or making any settlement, compromise,
admission or acknowledgment of the validity of such third-party action or any
liability in respect thereof if, pursuant to or as a result of such settlement,
compromise, admission or acknowledgment, injunctive or other equitable relief
would be imposed against the Indemnified Party or if, in the opinion of the
Indemnified Party, such settlement, compromise, admission or acknowledgment
could have a material adverse effect on its business;

     (c) No Indemnifying Party shall consent to the entry of any judgment or
enter into any settlement that does not include as an unconditional term thereof
the giving by each claimant or plaintiff to each Indemnified Party of a release
from all liability in respect of such third-party action; and

     (d) The Indemnifying Party shall not be entitled to control (but shall be
entitled to participate at its own expense in the defense of), and the
Indemnified Party shall be entitled to have sole control over, the defense or
settlement, compromise, admission or acknowledgment of any

                                      -53-
<PAGE>

third-party action (i) as to which the Indemnifying Party fails to assume the
defense within a reasonable length of time; or (ii) to the extent the third-
party action seeks an order, injunction or other equitable relief against the
Indemnified Party which, if successful, would materially adversely affect the
business, operations, assets or financial condition of the Indemnified Party;
provided, however, that the Indemnified Party shall make no settlement,
compromise, admission or acknowledgment that would give rise to liability on the
part of any Indemnifying Party without the prior written consent of such
Indemnifying Party.

     The parties hereto shall extend reasonable cooperation in connection with
the defense of any third-party action pursuant to this Article VIII and, in
connection therewith, shall furnish such records, information and testimony and
attend such conferences, discovery proceedings, hearings, trials and appeals as
may be reasonably requested.

     Section 8.4  Direct Claims.  In any case in which an Indemnified Party
seeks indemnification hereunder which is not subject to Section 8.3 because no
third-party action is involved, the Indemnified Party shall notify the
Indemnifying Party in writing of any indemnified costs which such Indemnified
Party claims are subject to indemnification under the terms hereof.  The failure
of the Indemnified Party to exercise promptness in such notification shall not
amount to a waiver of such claim unless the resulting delay materially
prejudices the position of the Indemnifying Party with respect to such claim.

     Section 8.5  No Punitive Damages.  Notwithstanding anything contained in
this Agreement to the contrary, in no event shall any party hereto be entitled
to recover any exemplary or punitive damages from any other party hereto on
account of any breach of or misrepresentation under any Transaction Document.

     Section 8.6  Exclusivity.  The parties hereto agree that, in relation to
any breach, default or nonperformance by a party of any of its representations,
warranties, covenants or agreements contained in this Agreement or any
certificates delivered pursuant hereto, the only relief and remedies available
to the other parties hereto in respect of such breach, default or nonperformance
shall be:

          (a) termination of this Agreement, but only if such termination is
     expressly permitted under the provisions of Article VII;

          (b) damages, but only to the extent properly claimable hereunder and
     as limited pursuant to this Article VIII or otherwise hereunder;

          (c) specific performance, but only if such specific performance is
     expressly permitted under the provisions of Section 9.3 and a court of
     competent jurisdiction in its discretion grants the same; and

                                      -54-
<PAGE>

          (d) injunctive or declaratory relief if a court of competent
     jurisdiction in its discretion grants the same.

     The parties hereto also agree that no action for termination or rescission,
or claiming repudiation, of this Agreement may be brought or maintained by any
party against any other party following the Closing no matter how severe, grave
or fundamental any such breach, default or nonperformance may be by such other
party.  Accordingly, the parties hereby expressly waive and forego any and all
rights they may possess to bring any such action.

                                  ARTICLE IX
                                 MISCELLANEOUS

     Section 9.1  Survival of Provisions.

     (a) The representations and warranties of the Company, WIC and Purchaser
made herein or pursuant hereto, and the covenants and agreements of the Company,
WIC and Purchaser made herein that, by their terms, are to be performed or
complied with at or prior to the Closing, shall remain operative and in full
force and effect pursuant to their terms, regardless of (i) any investigation
made by or on behalf of the Company, WIC or Purchaser, as the case may be, or
(ii) acceptance of the Preferred Shares and payment by Purchaser therefor, until
the date that is 12 months following the Closing Date (except as provided in the
following sentence); provided that such representations, warranties, covenants
and agreements shall survive as to any claim or demand made prior to their
termination date until such claim or demand is fully paid or otherwise resolved.
Notwithstanding the general expiration period set forth in the foregoing
sentence, (i) the representations and warranties contained in Sections 3.1(a)
(Organization, Standing and Power), 3.1(b) (Subsidiaries), 3.1(c) (Capital
Structure), 3.1(d) (Authority; No Violations; Approvals), 3.1(e) (Status of
Preferred Shares, Conversion Shares and Dividend Shares), 3.1(f) (Status of
Warrants and Warrant Shares), 3.1(g) (Requisite Votes) and 3.1(h) (Certain Anti-
Takeover Provisions; Amendment to Rights Agreement), and Sections 3.2(a)
(Organization, Standing and Power) and 3.2(b) (Authority; No Violations;
Approvals), shall survive indefinitely, and (ii) the representations and
warranties contained in Sections 3.1(r) (Taxes) and 3.1(w) (Environmental
Matters) shall survive for the term of the statute of limitations applicable to
the underlying substantive matter.

     (b) The covenants and agreements of the Company, WIC and Purchaser
contained in this Agreement that, by their terms, are to be performed or
complied with after the Closing shall survive until the period specified herein
(if any) with respect to such covenant or agreement; provided, however, that
such covenants and agreements shall survive as to any claim or demand in respect
thereof made prior to their termination date until such claim or demand is fully
paid or otherwise resolved.

                                      -55-
<PAGE>

     Section 9.2  No Waiver; Modification in Writing.  No failure or delay on
the part of the Company, WIC or Purchaser in exercising any right, power or
remedy hereunder shall operate as a waiver thereof, nor shall any single or
partial exercise of any such right, power or remedy preclude any other or
further exercise thereof or the exercise of any other right, power or remedy.
The provisions of this Agreement, including the provisions of this sentence, may
not be amended, modified or supplemented except by an instrument in writing
signed by the Company, WIC and Purchaser, and waivers or consents to departures
from the provisions hereof may not be given without the written consent of the
Company, on the one hand, and WIC and Purchaser, on the other hand, provided
that notice of any such waiver shall be given to each party hereto as set forth
below. Any amendment, supplement or modification of or to any provision of this
Agreement, or any waiver of any provision of this Agreement, shall be effective
only in the specific instance and for the specific purpose for which made or
given.

     Section 9.3  Specific Performance.  The parties recognize that in the
event the Company should refuse to perform under the provisions of this
Agreement or WIC or Purchaser should refuse to perform under the provisions of
Section 2.4(b), 4.10(b), 4.11, 9.5(b), 9.13 or 9.14, monetary damages alone will
not be adequate. The parties shall therefore be entitled, in addition to any
other remedies which may be available hereunder, including money damages, to
obtain specific performance of such provisions. In the event of any action to
enforce such provisions specifically, the parties hereby waive the defense that
there is an adequate remedy at Law.

     Section 9.4  Severability.  If any provision of this Agreement is invalid,
illegal or incapable of being enforced by any rule of applicable Law, or public
policy, all other provisions of this Agreement shall nevertheless remain in full
force and effect so long as the economic or legal substance of the transactions
contemplated herein are not affected in any manner materially adverse to any
party.  Upon such determination that any provision is invalid, illegal or
incapable of being enforced, the parties hereto shall negotiate in good faith to
modify this Agreement so as to effect the original intent of the parties as
closely as possible in a mutually acceptable manner in order that the
transactions contemplated herein are consummated as originally contemplated to
the fullest extent possible.

     Section 9.5  Fees and Expenses.

     (a) If this Agreement is terminated by the Company pursuant to Section
7.1(c) or by WIC and Purchaser pursuant to Section 7.1(d) (and provided that
neither WIC nor Purchaser is then in material breach of any of its obligations
hereunder), the Company shall pay to WIC by wire transfer of immediately
available funds, within three Business Days following the date of such
termination (or, with respect to a termination by the Company pursuant to
Section 7.1(c), prior to such termination), a fee in the amount of $500,000.

     (b) Except as otherwise expressly provided in this Agreement, all costs and
expenses (including legal fees and expenses) incurred by a party in connection
with this Agreement and the

                                      -56-
<PAGE>

other Transaction Documents and the transactions contemplated hereby and thereby
shall be borne solely and entirely by such party.

      Section 9.6  Parties in Interest.  This Agreement shall be binding upon
and, except as provided below, inure solely to the benefit of each party hereto
and their respective successors and permitted assigns, and nothing in this
Agreement, except as set forth in Article VIII (which is intended for the
benefit of all Indemnified Parties), express or implied, is intended to confer
upon any other Person any rights or remedies of any nature whatsoever under or
by reason of this Agreement.

      Section 9.7  Notices.  All notices and other communications hereunder
shall be in writing and shall be deemed given if delivered personally, sent by
facsimile transmission, mailed by registered or certified United States mail
(return receipt requested), or sent by nationally recognized overnight courier
service, to the parties at the following addresses (or at such other address for
a party as shall be specified by like notice):

     (a)  If to WIC or Purchaser, to:

               Wiser Investment Company, LLC
               c/o Douglas P. Heller
               1629 Locust Street
               Philadelphia, Pennsylvania 19103

          with a copy to:

               Andrews & Kurth L.L.P.
               600 Travis Street, Suite 4200
               Houston, Texas 77002
               Attention:  David P. Oelman

     (b)  If to the Company, to:

               8115 Preston Road
               Suite 400
               Dallas, Texas 75225
               Attention:  President

                                      -57-
<PAGE>

          with a copy to:

               Thompson & Knight L.L.P.
               1700 Pacific Avenue, Suite 3300
               Dallas, Texas  75201-4693
               Attention:  Steven K. Cochran

     Any of the above addresses may be changed at any time by notice given as
provided above; provided, however, that any such notice of change of address
shall be effective only upon receipt. All notices, requests or instructions
given in accordance herewith shall be deemed received on the date of delivery,
if hand delivered, on the date of receipt, if sent by facsimile transmission,
three Business Days after the date of mailing, if mailed by registered or
certified mail, return receipt requested, and one Business Day after the date of
sending, if sent by nationally recognized overnight courier service.

     Section 9.8  Counterparts.  This Agreement may be executed and delivered
(including by facsimile transmission) in one or more counterparts, all of which
shall be considered one and the same agreement and shall become effective when
one or more counterparts have been signed by each of the parties and delivered
to the other parties, it being understood that all parties need not sign the
same counterpart.

     Section 9.9  Entire Agreement.  This Agreement (which term, for purposes
of this Section 9.9, shall be deemed to include the Exhibits and Schedules
hereto and the other certificates, documents and instruments delivered
hereunder) constitutes the entire agreement of the parties hereto and supersedes
all prior agreements, letters of intent and understandings, both written and
oral, including the Original Stock Purchase Agreement, between the parties with
respect to the subject matter hereof.  There are no representations, warranties,
agreements or covenants other than those expressly set forth in this Agreement.

     Section 9.10  Governing Law.  THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF DELAWARE, WITHOUT GIVING
EFFECT TO ANY CHOICE OF LAW OR CONFLICT OF LAW PROVISION OR RULE (WHETHER OF THE
STATE OF DELAWARE OR ANY OTHER JURISDICTION) THAT WOULD CAUSE THE APPLICATION OF
THE LAW OF ANY JURISDICTION OTHER THAN THE STATE OF DELAWARE.

     Section 9.11  Public Announcements.  The Company, on the one hand, and WIC
and Purchaser, on the other, shall consult with each other before issuing any
press release or otherwise making any public statements with respect to the
Transaction Documents or the transactions contemplated thereby, except for
statements required by Law or by any listing agreements with any national
securities exchange or the National Association of Securities Dealers, Inc., or
made in disclosures filed pursuant to the Securities Act or the Exchange Act.

                                      -58-
<PAGE>

     Section 9.12  Assignment.

     (a) Except as otherwise provided in this Section 9.12, neither this
Agreement nor any of the rights, interests or obligations hereunder shall be
assigned by any of the parties hereto, whether by operation of Law or otherwise.
Any attempted assignment in violation of this Section 9.12 shall be null and
void.

     (b) With the prior written consent of the Company (which consent shall not
be unreasonably withheld), WIC may assign all of its rights, interests and
obligations (which shall include all its representations and warranties) as
Purchaser hereunder to a corporation, partnership or limited liability company
formed by WIC subsequent to the date of this Agreement and in connection with
the Financing and in which WIC has a significant equity interest, provided that
such assignee expressly assumes such rights, interests and obligations, and the
Company agrees that following such assignment and assumption the Company shall
look only to such assignee in satisfaction of the Company's rights against
Purchaser or the enforcement of the obligations of Purchaser hereunder.

     (c) With the prior written consent of the Company (which consent shall not
be unreasonably withheld), WIC may assign its rights as Purchaser under Sections
2.1 and 2.5 with respect to a portion of the Preferred Shares (which assignment
shall include an assignment of a corresponding part of its rights, interests and
obligations (including its representations and warranties) as Purchaser
hereunder) to not more than eight other accredited investors (as defined in Rule
501(a) under the Securities Act), provided that each such assignee expressly
assumes such rights, interests and obligations, and the Company agrees that
following such assignment and assumption the Company shall look only to such
assignee in satisfaction of the Company's rights against Purchaser or the
enforcement of the obligations of Purchaser hereunder, to the extent of the
obligations assumed by such assignee.

     (d) No assignment and assumption referred to in Section 9.12(b) or (c)
shall be permitted unless (i) the documents evidencing such assignment and
assumption are reasonably satisfactory to the Company in form and substance,
(ii) such documents contain an acknowledgment that such assignee(s) have become
parties to this Agreement in the capacity of Purchaser as if such assignee(s)
had been original signatory parties hereto and agree as Purchaser to be bound by
all the terms and provisions hereof and (iii) such documents have been delivered
to the Company and are effective prior to the Closing Date (in the case of an
assignment of rights under Section 2.1) and prior to the applicable Option
Closing Date (in the case of an assignment of rights under Section 2.5).

     (e) An assignment by WIC pursuant to Section 9.12(b) or 9.12(c) shall not
have any effect on the rights, interests or obligations hereunder that are
applicable to WIC in its capacity other than as Purchaser.

                                      -59-
<PAGE>

     Section 9.13  Independent Determination.  From and after the Closing Date,
all decisions on behalf of the Company as to the payment of indemnification
pursuant hereto and otherwise regarding the Company's rights and obligations
pursuant to the Transaction Documents shall be made by majority vote of a
committee of directors of the Company consisting of all directors of the Company
other than (a) the Purchaser Designees and (b) any directors elected by the
holders of the Series C Preferred Stock pursuant to the provisions of the
Certificate of Designation; provided, however, that nothing contained in this
Section 9.13 shall prevent any Indemnified Party from receiving indemnification
pursuant to some other source (such as, by way of example, the bylaws of the
Company in the event that such Indemnified Party is a director of the Company
and such director seeks indemnification due to circumstances that do not pertain
to an alleged breach of a Transaction Document), and the determination as to
whether indemnification pursuant to such other source is available shall be made
in accordance with the procedures applicable thereto.

                                      -60-
<PAGE>

     In Witness Whereof, each of the parties hereto has caused this Agreement to
be executed by its duly authorized representative as of the date first written
above.

                              THE WISER OIL COMPANY


                              By: /s/ Andrew J. Shoup, Jr.
                                 --------------------------------
                                 Name:  Andrew J. Shoup
                                      ---------------------------
                                 Title: President
                                       --------------------------



                              WISER INVESTMENT COMPANY, LLC


                              By: /s/ George K. Hickox, Jr.
                                 --------------------------------
                                 Name:  George K. Hickox, Jr.
                                      ---------------------------
                                 Title: Authorized signatory
                                       --------------------------

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