CREDIT AGREEMENT DATED AS OF JANUARY 2, 2004 AMONG SOUTHWESTERN ENERGY COMPANY, THE LENDERS, BANK ONE, NA, AS ADMINISTRATIVE AGENT, AND ROYAL BANK OF CANADA, AS SYNDICATION AGENT BANC ONE CAPITAL MARKETS, INC. LEAD ARRANGER AND SOLE BOOK RUNNER CREDIT...

CREDIT AGREEMENT

DATED AS OF JANUARY 2, 2004

AMONG

SOUTHWESTERN ENERGY COMPANY,

THE LENDERS,

BANK ONE, NA,
AS ADMINISTRATIVE AGENT,

AND

ROYAL BANK OF CANADA,
AS SYNDICATION AGENT

BANC ONE CAPITAL MARKETS, INC.
LEAD ARRANGER AND SOLE BOOK RUNNER

CREDIT AGREEMENT

This Agreement, dated as of January 2, 2004, is among Southwestern Energy Company, the Lenders, Bank One, NA, a national banking association having its principal office in Chicago, Illinois, as Administrative Agent, and Royal Bank of Canada, as Syndication Agent. The parties hereto agree as follows:

DEFINITIONS

Definitions. As used in this Agreement, the following terms have the respective meanings set forth below (such meanings to be equally applicable to both the singular and plural forms of the terms defined):

"Administrative Agent" means Bank One in its capacity as administrative agent for the Lenders pursuant to Article X, and not in its individual capacity as a Lender, and any successor Administrative Agent appointed pursuant to Article X.

"Administrative Questionnaire" means an administrative questionnaire, substantially in the form supplied by the Administrative Agent, completed by a Lender and furnished to the Administrative Agent in connection with this Agreement.

"Advance" means a group of Loans (i) made by the Lenders on the same Borrowing Date or (ii) converted or continued by the Lenders on the same date of conversion or continuation and, in either case, consisting of Loans of the same Type and, in the case of Eurodollar Loans, for the same Interest Period.

"Affected Lender" is defined in Section 2.19.

"Affiliate" of any Person means any other Person directly or indirectly controlling, controlled by or under common control with such Person. A Person shall be deemed to control another Person if the controlling Person owns 10% or more of any class of voting securities (or other ownership interests) of the controlled Person or possesses, directly or indirectly, the power to direct or cause the direction of the management or policies of the controlled Person, whether through ownership of stock, by contract or otherwise.

"Aggregate Commitment" means the aggregate amount of the Commitments of all the Lenders, as reduced from time to time pursuant to the terms hereof.

"Agreement" means this credit agreement, as it may be amended or modified and in effect from time to time.

"Agreement Accounting Principles" means generally accepted accounting principles as in effect from time to time; provided that if the Borrower notifies the Administrative Agent that the Borrower does not want to give effect to any change in generally accepted accounting principles (or if the Administrative Agent notifies the Borrower that the Required Lenders do not want to give effect to any such change), then Agreement Accounting Principles shall mean generally accepted accounting principles as in effect immediately before the relevant change in generally accepted accounting principles became effective, until either such notice is withdrawn or this Agreement is amended in a manner satisfactory to the Borrower and the Required Lenders.

"Alternate Base Rate" means, for any day, a rate of interest per annum equal to the higher of (i) the Prime Rate for such day and (ii) the sum of the Federal Funds Effective Rate for such day plus 0.5% per annum.

"Applicable Margin" means a rate per annum determined in accordance with Schedule 1B.

"Arranger" means Banc One Capital Markets, Inc.

"Asset Sale" means any sale, lease, assignment for value or other disposition by the Borrower or any Subsidiary, excluding (a) sales and other dispositions in the ordinary course of business and (b) any sale or other disposition of any asset listed on Schedule 2.8(a).

"Authorized Officer" means any of the following officers of the Borrower, acting singly: the Chief Executive Officer, the President, the Chief Financial Officer, the Treasurer or any Executive Vice President, Senior Vice President or Vice President.

"AWG" means Arkansas Western Gas Company.

"Bank One" means Bank One, NA, a national banking association having its principal office in Chicago, Illinois, in its individual capacity, and its successors.

"Borrower" means Southwestern Energy Company, an Arkansas corporation, and its successors and assigns.

"Borrowing Date" means a date on which an Advance is made hereunder.

"Borrowing Notice" is defined in Section 2.4.

"Business Day" means (i) with respect to any borrowing, payment or rate selection of Eurodollar Advances, a day (other than a Saturday or Sunday) on which banks generally are open in Chicago, Dallas and New York for the conduct of substantially all of their commercial lending activities, interbank wire transfers can be made on the Fedwire system and dealings in United States dollars are carried on in the London interbank market and (ii) for all other purposes, a day (other than a Saturday or Sunday) on which banks generally are open in Chicago and Dallas for the conduct of substantially all of their commercial lending activities and interbank wire transfers can be made on the Fedwire system.

"Capitalized Lease" of a Person means any lease of Property, except oil and gas leases, by such Person as lessee that would be capitalized on a balance sheet of such Person prepared in accordance with Agreement Accounting Principles.

"Capitalized Lease Obligations" of a Person means the amount of the obligations of such Person under Capitalized Leases which would be shown as a liability on a balance sheet of such Person prepared in accordance with Agreement Accounting Principles.

"Cash Equivalent Investments" means, at any time, (a) any evidence of Debt, maturing not more than one year after such time, issued or guaranteed by the United States Government or any agency thereof, (b) commercial paper, maturing not more than one year from the date of issue, or corporate demand notes, in each case (unless issued by a Lender or its holding company) rated at least A-l by Standard & Poor's Ratings Group or P-l by ▇▇▇▇▇'▇ Investors Service, Inc., (c) any certificate of deposit (or time deposits represented by such certificates of deposit) or bankers acceptance, maturing not more than one year after such time, or overnight Federal Funds transactions that are issued or sold by a commercial banking institution that is a member of the Federal Reserve System and has a combined capital and surplus and undivided profits of not less than $500,000,000, (d) any repurchase agreement entered into with any Lender (or other commercial banking institution of the stature referred to in clause (c)) which (i) is secured by a fully perfected security interest in any obligation of the type described in any of clauses (a) through (c) and (ii) has a market value at the time such repurchase agreement is entered into of not less than 100% of the repurchase obligation of such Lender (or other commercial banking institution) thereunder and (e) investments in short-term asset management accounts offered by any Lender for the purpose of investing in loans to any corporation (other than the Borrower or an Affiliate of the Borrower), state or municipality, in each case organized under the laws of any state of the United States or of the District of Columbia.

"Change of Control" means that (i) any Person or group (within the meaning of Rule 13d-5 under the Securities Exchange Act of 1934, as amended) shall beneficially own, directly or indirectly, 25% or more of the common stock or other voting securities of the Borrower; or (ii) Continuing Directors shall fail to constitute a majority of the Board of Directors of the Borrower. For purposes of the foregoing, "Continuing Director" means an individual who (x) is a member of the Board of Directors of the Borrower on the date of this Agreement or (y) is nominated to be a member of such Board of Directors after the date hereof by a majority of the Continuing Directors then in office.

"Code" means the Internal Revenue Code of 1986, as amended, reformed or otherwise modified from time to time.

"Collateral Shortfall Amount" is defined in Section 8.1.

"Commitment" means, for each Lender, the obligation of such Lender to make Loans, and participate in Letters of Credit, in an aggregate amount not exceeding the amount set forth on Schedule 1A or as set forth in any assignment that has become effective pursuant to Section 12.3.2, as such amount may be modified from time to time pursuant to the terms hereof.

"Commitment Fee Rate" means a rate per annum determined in accordance with Schedule 1B.

"Contingent Obligation" of a Person means any agreement, undertaking or arrangement by which such Person assumes, guarantees, endorses, contingently agrees to purchase or provide funds for the payment of, or otherwise becomes or is contingently liable upon, the obligation or liability of any other Person, or agrees to maintain the net worth or working capital or other financial condition of any other Person, or otherwise assures any creditor of such other Person against loss, including any comfort letter, operating agreement, take or pay contract, application for a letter of credit or the obligations of any such Person as general partner of a partnership with respect to the liabilities of the partnership.

"Conversion/Continuation Notice" is defined in Section 2.5.

"Controlled Group" means all members of a controlled group of corporations or other business entities and all trades or businesses (whether or not incorporated) under common control which, together with the Borrower or any of its Subsidiaries, are treated as a single employer under Section 414 of the Code.

"Credit Extension" means the making of an Advance or the issuance, or extension of the term or increase in the amount, of a Letter of Credit.

"Debt to Capitalization Ratio" means the ratio of (a) Total Debt to (b) the sum of Total Debt plus Stockholders' Equity.

"Default" means an event described in Article VII.

"Environmental Laws" means any and all federal, state, local and foreign statutes, laws, judicial decisions, regulations, ordinances, rules, judgments, orders, decrees, plans, injunctions, permits, concessions, grants, franchises, licenses, agreements and other governmental restrictions relating to (i) the protection of the environment, (ii) the effect of the environment on human health, (iii) emissions, discharges or releases of pollutants, contaminants, hazardous substances or wastes into surface water, ground water or land, or (iv) the manufacture, processing, distribution, use, treatment, storage, disposal, transport or handling of pollutants, contaminants, hazardous substances or wastes or the clean-up or other remediation thereof.

"Equity Issuance " means any issuance by the Borrower or any Subsidiary of any equity securities other than (a) pursuant to and in accordance with stock option plans or other benefit plans for directors, officers or employees of the Borrower or any Subsidiary, (b) in connection with a merger, acquisition, joint venture, asset purchase or other investment by the Borrower or any Subsidiary permitted under this Agreement or (c) any issuance by a Subsidiary to the Borrower or to another Subsidiary.

"ERISA" means the Employee Retirement Income Security Act of 1974, as amended from time to time, and any rule or regulation issued thereunder.

"Eurodollar Advance" means an Advance which, except as otherwise provided in Section 2.10, bears interest at the applicable Eurodollar Rate.

"Eurodollar Base Rate" means, with respect to a Eurodollar Advance for the relevant Interest Period, the applicable British Bankers' Association Interest Settlement Rate for deposits in U.S. dollars appearing on Reuters Screen FRBD as of 11:00 a.m. (London time) two Business Days prior to the first day of such Interest Period, and having a maturity equal to such Interest Period, provided that, (i) if Reuters Screen FRBD is not available to the Administrative Agent for any reason, the applicable Eurodollar Base Rate for the relevant Interest Period shall instead be the applicable British Bankers' Association Interest Settlement Rate for deposits in U.S. dollars as reported by any other generally recognized financial information service as of 11:00 a.m. (London time) two Business Days prior to the first day of such Interest Period, and having a maturity equal to such Interest Period, and (ii) if no such British Bankers' Association Interest Settlement Rate is available to the Administrative Agent, the applicable Eurodollar Base Rate for the relevant Interest Period shall instead be the rate determined by the Administrative Agent to be the rate at which Bank One or one of its Affiliate banks offers to place deposits in U.S. dollars with first-class banks in the London interbank market at approximately 11:00 a.m. (London time) two Business Days prior to the first day of such Interest Period, in the approximate amount of the relevant Eurodollar Loan and having a maturity equal to such Interest Period.

"Eurodollar Loan" means a Loan which, except as otherwise provided in Section 2.10, bears interest at the applicable Eurodollar Rate.

"Eurodollar Rate" means, with respect to a Eurodollar Advance for the relevant Interest Period, the sum of the Eurodollar Base Rate applicable to such Interest Period plus the Applicable Margin as in effect from time to time.

"Excluded Taxes" means, in the case of each Lender or applicable Lending Installation and the Administrative Agent, taxes imposed on its overall net income, and franchise taxes imposed on it, by (i) the jurisdiction under the laws of which such Lender or the Administrative Agent is incorporated or organized or (ii) the jurisdiction in which the Administrative Agent's or such Lender's principal executive office or such Lender's applicable Lending Installation is located.

"Existing Agreement" means the Credit Agreement dated as of July 12, 2001 among the Borrower, various lenders and Bank One, as administrative agent.

"Facility" is defined in Section 9.11(b).

"Federal Funds Effective Rate" means, for any day, an interest rate per annum equal to the weighted average of the rates on overnight Federal funds transactions with members of the Federal Reserve System arranged by Federal funds brokers on such day, as published for such day (or, if such day is not a Business Day, for the immediately preceding Business Day) by the Federal Reserve Bank of New York, or, if such rate is not so published for any day which is a Business Day, the average of the quotations at approximately 10:00 a.m. on such day on such transactions received by the Administrative Agent from three Federal funds brokers of recognized standing selected by the Administrative Agent in its sole discretion.

"Floating Rate" means, for any day, a rate per annum equal to the Alternate Base Rate for such day, changing when and as the Alternate Base Rate changes, plus the Applicable Margin as in effect on such day.

"Floating Rate Advance" means an Advance which, except as otherwise provided in Section 2.10, bears interest at the Floating Rate.

"Guarantor" means each Subsidiary which is a party to the Subsidiary Guaranty.

"Indebtedness" of a Person means such Person's (i) obligations for borrowed money, (ii) obligations representing the deferred purchase price of Property or services, (iii) obligations, whether or not assumed, secured by Liens or payable out of the proceeds or production from Property now or hereafter owned or acquired by such Person, (iv) obligations which are evidenced by notes, acceptances, or other instruments, (v) obligations of such Person to purchase accounts, securities or other Property arising out of or in connection with the sale of the same or substantially similar accounts, securities or Property, (vi) Capitalized Lease Obligations, (vii) any other obligation for borrowed money or other financial accommodation which in accordance with Agreement Accounting Principles would be shown as a liability on the consolidated balance sheet of such Person, (viii) net liabilities under interest rate swap, exchange or cap agreements, obligations or other liabilities with respect to accounts or notes, (ix) Sale and Leaseback Transactions which do not create a liability on the consolidated balance sheet of such Person, (x) other transactions which are the functional equivalent, or take the place, of borrowing but which do not constitute a liability on the consolidated balance sheet of such Person, (xi) Contingent Obligations and (xii) Mandatorily Redeemable Stock; provided that, notwithstanding any of the foregoing, accounts payable arising in the ordinary course of business payable on terms customary in the trade, and Contingent Obligations in respect thereof, shall not constitute Indebtedness; and provided, further, that Indebtedness shall not include accounts payable which the Borrower is required to reflect on its balance sheet in accordance with Agreement Accounting Principles to the extent that (i) such accounts payable consist solely of contingent obligations under oil and gas hedge transactions for future periods and (ii) as of any date of calculation thereof, the volume of oil and gas subject to such hedge transactions is not greater than 90% of the Borrower's anticipated production from proved, producing, oil and gas reserves owned by the Borrower and its Subsidiaries as of such date over the term covered by such hedge transactions.

"Interest Coverage Ratio" means, for any period of four fiscal quarters of the Borrower ending on the last day of a fiscal quarter, the ratio of (a) the sum of (i) the Borrower's consolidated net income before interest, taxes, depreciation and amortization of non-cash charges, all determined on a consolidated basis and in accordance with Agreement Accounting Principles for such period, but excluding, to the extent otherwise included therein, any non-cash gain or loss on any hedging agreement resulting from the requirements of SFAS 133, plus (ii) to the extent deducted in determining such consolidated net income, any non-cash charge after the date hereof resulting from any write-down of the Borrower's oil and gas properties to the full cost ceiling limitation required by the full cost method of accounting for such properties, to (b) the Borrower's interest expense for such period.

"Interest Period" means, with respect to a Eurodollar Advance, a period of one, two, three or six months commencing on a Business Day selected by the Borrower pursuant to this Agreement. Such Interest Period shall end on the day which corresponds numerically to such date one, two, three or six months thereafter, provided that if there is no such numerically corresponding day in such next, second, third or sixth succeeding month, such Interest Period shall end on the last Business Day of such next, second, third or sixth succeeding month. If an Interest Period would otherwise end on a day which is not a Business Day, such Interest Period shall end on the next succeeding Business Day, provided that if said next succeeding Business Day falls in a new calendar month, such Interest Period shall end on the immediately preceding Business Day. Notwithstanding any other provision of this Agreement, the Borrower may not select any Interest Period that would end after the scheduled Termination Date.

"Investment" of a Person means any loan, advance (other than commission, travel and similar advances to officers and employees made in the ordinary course of business), extension of credit (other than accounts receivable arising in the ordinary course of business on terms customary in the trade) or contribution of capital by such Person; stocks, bonds, mutual funds, partnership interests, notes, debentures or other securities owned by such Person; any deposit accounts and certificate of deposit owned by such Person; and structured notes, derivative financial instruments and other similar instruments or contracts owned by such Person.

"Issuer" means Bank One, in its capacity as the issuer of Letters of Credit, and its successors in such capacity.

"Knowledge" means, with respect to the Borrower, the actual knowledge of (i) any Authorized Officer, (ii) any vice president of the Borrower in charge of a principal business unit, division or function (such as sales, administration or finance), (iii) any other officer who performs a policy making function or (iv) any other person who performs similar policy making functions for the Borrower.

"LC Application" means, with respect to the issuance or modification of any Letter of Credit, the customary form for the issuance or modification, as the case may be, of letters of credit used by the Issuer from time to time in the normal course of its business or such other form as may be agreed to by the Borrower and the Issuer.

"LC Collateral Account" is defined in Section 2.20.11.

"LC Fee Rate" means a rate per annum determined in accordance with Schedule 1B.

"LC Obligations" means, at any time, the sum, without duplication, of (i) the aggregate Stated Amount of all outstanding Letters of Credit at such time plus (ii) the aggregate amount of all Reimbursement Obligations at such time.

"Lenders" means the lending institutions listed on the signature pages of this Agreement and their respective successors and assigns. Unless otherwise specified, the term "Lenders" includes Bank One in its capacity as Issuer.

"Lending Installation" means, with respect to a Lender or the Administrative Agent, the office, branch, subsidiary or affiliate of such Lender or the Administrative Agent listed on its Administrative Questionnaire, in the assignment agreement pursuant to which it became a Lender or otherwise designated pursuant to Section 2.17.

"Letter of Credit" is defined in Section 2.20.1.

"Lien" means any lien (statutory or other), mortgage, pledge, hypothecation, assignment, deposit arrangement, encumbrance or other security arrangement (including the interest of a vendor or lessor under any conditional sale, Capitalized Lease or other title retention agreement).

"Loan" is defined in Section 2.1.

"Loan Documents" means this Agreement, any Note, the Subsidiary Guaranty, any Letter of Credit and any LC Application.

"Mandatorily Redeemable Stock" means, with respect to any Person, any share of such Person's capital stock or other equity interest to the extent that it is (a) redeemable, payable or required to be purchased or otherwise retired or extinguished, or convertible into any Indebtedness or other liability of such Person, (i) at a fixed or determinable date, whether by operation of a sinking fund or otherwise, (ii) at the option of any Person other than such Person or (iii) upon the occurrence of a condition not solely within the control of such Person, such as a redemption required to be made out of future earnings or (b) convertible into Mandatorily Redeemable Stock.

"Margin Stock" has the meaning given thereto in Regulation U.

"Material Adverse Effect" means a material adverse effect on (i) the business, Property, condition (financial or otherwise) or results of operations of the Borrower and its Subsidiaries taken as a whole, (ii) the prospect that the Borrower will have the ability to fully and timely pay the Obligations or (iii) the validity or enforceability of any of the Loan Documents or the rights or remedies of the Administrative Agent or the Lenders thereunder.

"Material Group of Subsidiaries" means two or more Subsidiaries which, if merged as of any relevant date of determination, would constitute a Significant Subsidiary.

"Modification" and "Modify" are defined in Section 2.20.1.

"Multiemployer Plan" means a Plan maintained pursuant to a collective bargaining agreement or any other arrangement to which the Borrower or any member of the Controlled Group is a party to which more than one employer is obligated to make contributions.

"Non-U.S. Lender" is defined in Section 3.5(iv).

"Note" means a promissory note, substantially in the form of Exhibit E, issued at the request of a Lender pursuant to Section 2.13.

"Obligations" means all unpaid principal of and accrued and unpaid interest on the Loans, all Reimbursement Obligations, all accrued and unpaid fees and all expenses, reimbursements, indemnities and other obligations of the Borrower to any Lender, the Issuer, the Administrative Agent or any other indemnified party arising under the Loan Documents.

"Other Taxes" is defined in Section 3.5(ii).

"Participants" is defined in Section 12.2.1.

"Payment Date" means the last day of each March, June, September and December.

"PBGC" means the Pension Benefit Guaranty Corporation, or any successor thereto.

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

"Plan" means an employee pension benefit plan which is covered by Title IV of ERISA or subject to the minimum funding standards under Section 412 of the Code as to which the Borrower or any member of the Controlled Group may have any liability.

"Prime Rate" means a rate per annum equal to the prime rate of interest announced by Bank One or by its parent, BANK ONE CORPORATION, which is not necessarily the lowest rate charged to any customer, changing when and as said prime rate changes.

"Principal Transmission Facility" means any transportation or distribution facility, including pipelines, of the Borrower or any Subsidiary located in the United States of America other than (a) any such facility which in the opinion of the Board of Directors of the Borrower is not of material importance to the business conducted by the Borrower and its Subsidiaries taken as a whole, or (b) any such facility in which interests are held by the Borrower or by one or more Subsidiaries or by the Borrower and one or more Subsidiaries and by others and the aggregate interest held by the Borrower and all Subsidiaries does not exceed 50%.

"Productive Property" means any property interest owned by the Borrower or a Subsidiary in land (including submerged land and rights in and to oil, gas and mineral leases) located in the United States of America and classified by the Borrower or such Subsidiary, as the case may be, as productive of crude oil, natural gas or other petroleum hydrocarbons in paying quantities; provided that such term shall not include any exploration or production facilities on said land, including any drilling or producing platform.

"Property" of a Person means any and all property, whether real, personal, tangible, intangible, or mixed, of such Person, or other assets owned, leased or operated by such Person.

"Pro Rata Share" means, with respect to any Lender, the percentage which the amount of such Lender's Commitment is of the Aggregate Commitment (or, if the Commitments have been terminated, the percentage which the sum of the principal amount of such Lender's Loans plus such Lender's participation interest in all Letters of Credit is of the Total Outstandings).

"Purchasers" is defined in Section 12.3.1.

"Regulation D" means Regulation D of the Board of Governors of the Federal Reserve System as from time to time in effect and any successor thereto or other regulation or official interpretation of said Board of Governors relating to reserve requirements applicable to member banks of the Federal Reserve System.

"Regulation U" means Regulation U of the Board of Governors of the Federal Reserve System as from time to time in effect and any successor or other regulation or official interpretation of said Board of Governors relating to the extension of credit by banks for the purpose of purchasing or carrying Margin Stock applicable to member banks of the Federal Reserve System.

"Reimbursement Obligation" means any unpaid obligation of the Borrower to reimburse the Issuer for a payment made by the Issuer under a Letter of Credit.

"Reportable Event" means a reportable event as defined in Section 4043 of ERISA and the regulations issued under such section, with respect to a Plan, excluding, however, such events as to which the PBGC has by regulation waived the requirement of Section 4043(a) of ERISA that it be notified within 30 days of the occurrence of such event, provided that a failure to meet the minimum funding standard of Section 412 of the Code and of Section 302 of ERISA shall be a Reportable Event regardless of the issuance of any such waiver of the notice requirement in accordance with either Section 4043(a) of ERISA or Section 412(d) of the Code.

"Required Lenders" means Lenders in the aggregate having more than 50% of the Aggregate Commitment or, if the Aggregate Commitment has been terminated, Lenders in the aggregate holding more than 50% of the Total Outstandings.

"Reserve Requirement" means, with respect to an Interest Period, the daily average during such Interest Period of the maximum aggregate reserve requirement (including all basic, supplemental, marginal and other reserves) which is imposed under Regulation D on Eurocurrency liabilities.

"Sale and Leaseback Transaction" means any sale or other transfer of Property by any Person with the intent to lease such Property as lessee.

"SEC" means the Securities and Exchange Commission.

"Significant Subsidiary" means, as of any date of determination, each Subsidiary of the Borrower that meets any of the following criteria:

the Borrower's and its other Subsidiaries' Investments in and to such Subsidiary (and its respective Subsidiaries), as shown in the consolidated financial statements of the Borrower and its Subsidiaries prepared as of the end of the fiscal quarter ended most recently prior to such date of determination, exceed 10% of the total consolidated assets of the Borrower and its Subsidiaries; or

the assets of such Subsidiary (and its respective Subsidiaries) represent more than 10% of the consolidated assets of the Borrower and its Subsidiaries as would be shown in the consolidated financial statements referred to in clause (i) above; or

such Subsidiary (and its respective Subsidiaries) is responsible for more than 10% of the consolidated net sales or of the consolidated net income of the Borrower and its Subsidiaries as reflected in the financial statements referred to in clause (i) above;

provided that each such determination of such sales or assets shall be made after deducting all intercompany transactions which, in accordance with Agreement Accounting Principles, would be eliminated in preparing consolidated financial statements for the Borrower and its Subsidiaries.

"Single Employer Plan" means a Plan maintained by the Borrower or any member of the Controlled Group for employees of the Borrower or any member of the Controlled Group.

"Stated Amount" means, with respect to any Letter of Credit at any time, the maximum amount available to be drawn under such Letter of Credit at or after such time under any and all circumstances.

"Stockholders' Equity" means the Borrower's stockholders' equity, determined in accordance with Agreement Accounting Principles, but without giving effect to (1) any non-cash charge after the date hereof resulting from any write-down of the Borrower's oil and gas properties to the full cost ceiling limitations required by the full cost method of accounting for such properties and (ii) any non-cash gain or loss on any hedging agreement resulting from the requirements of SFAS 133.

"Subsidiary" of a Person means (i) any corporation more than 50% of the outstanding securities having ordinary voting power of which shall at the time be owned or controlled, directly or indirectly, by such Person or by one or more of its Subsidiaries or by such Person and one or more of its Subsidiaries, or (ii) any partnership, limited liability company, association, joint venture or similar business organization more than 50% of the ownership interests having ordinary voting power of which shall at the time be so owned or controlled. Unless otherwise expressly provided, all references herein to a "Subsidiary" shall mean a Subsidiary of the Borrower.

"Subsidiary Guaranty" means the Subsidiary Guaranty executed by various Subsidiaries in favor of the Administrative Agent, for the ratable benefit of the Lenders, substantially in the form of Exhibit F.

"Taxes" means any and all present or future taxes, duties, levies, imposts, deductions, charges or withholdings, and any and all liabilities with respect to the foregoing, but excluding Excluded Taxes and Other Taxes.

"Termination Date" means January 2, 2007 or such earlier date when the Aggregate Commitment has been reduced to zero.

"Total Debt" means all Indebtedness of the Borrower and its Subsidiaries, determined on a consolidated basis in accordance with Agreement Accounting Principles.

"Total Outstandings" means, at any time, the sum at such time of the aggregate principal amount of all Loans plus the LC Obligations.

"Transferee" is defined in Section 12.4.

"Type" means, with respect to any Advance, its nature as a Floating Rate Advance or a Eurodollar Advance.

"Unmatured Default" means an event which but for the lapse of time or the giving of notice, or both, would, unless cured or waived, constitute a Default.

"Wholly-Owned Subsidiary" of a Person means (i) any Subsidiary all of the outstanding voting securities of which shall at the time be owned or controlled, directly or indirectly, by such Person or one or more Wholly-Owned Subsidiaries of such Person, or by such Person and one or more Wholly-Owned Subsidiaries of such Person, or (ii) any partnership, limited liability company, association, joint venture or similar business organization 100% of the ownership interests having ordinary voting power of which shall at the time be so owned or controlled.

Other Interpretive Provisions. In this Agreement, (a) in the computation of periods of time from a specified date to a later specified date, the word "from" means "from and including" and the words "to" and "until" each means "to but excluding"; (b) unless otherwise indicated, any reference to a time of day shall mean such time of day in Chicago, Illinois; (c) unless otherwise indicated, any reference to an Article, Section, Exhibit or Schedule means an Article or Section hereof or an Exhibit or Schedule hereto; and (d) the term "including" means "including without limitation".

THE CREDITS

Commitments. From the date of this Agreement to the Termination Date, (a) each Lender severally agrees, on the terms and conditions set forth in this Agreement, to make loans (each a "Loan") to the Borrower from time to time in an amount equal to its Pro Rata Share of all Loans requested by the Borrower and (b) the Issuer agrees to issue Letters of Credit for the account of the Borrower from time to time in an aggregate amount not at any time exceeding $20,000,000 (and each Lender severally agrees to participate in each such Letter of Credit as more fully set forth in Section 2.20); provided that the Total Outstandings shall not at any time exceed the Aggregate Commitment. Subject to the terms of this Agreement, the Borrower may borrow, repay and reborrow at any time prior to the Termination Date.

Types of Advances. Advances may be Floating Rate Advances or Eurodollar Advances, or a combination thereof, as selected by the Borrower in accordance with Sections 2.4 and 2.5.

Minimum Amount of Each Advance. Each Eurodollar Advance shall be in the amount of $1,000,000 or a higher integral multiple thereof and each Floating Rate Advance shall be in the amount of $1,000,000 or a higher integral multiple of $500,000, provided that (a) any Floating Rate Advance made (in whole or in part) to repay any Reimbursement Obligations may be in the amount of $100,000 or an integral multiple thereof; and (b) any Floating Rate Advance may be in the amount of the unused Aggregate Commitment.

Method of Selecting Types and Interest Periods for New Advances. The Borrower shall select the Type of Advance and, in the case of each Eurodollar Advance, the Interest Period applicable thereto from time to time. The Borrower shall give the Administrative Agent irrevocable notice (a "Borrowing Notice") not later than 10:00 a.m. on the Borrowing Date of each Floating Rate Advance and three Business Days before the Borrowing Date of each Eurodollar Advance, specifying:

the Borrowing Date, which shall be a Business Day, of such Advance,

the aggregate amount of such Advance,

the Type of Advance selected, and

in the case of a Eurodollar Advance, the Interest Period applicable thereto.

Each Borrowing Notice shall be in writing (or by telephone promptly confirmed in writing) substantially in the form of Exhibit A. Not later than noon on the Borrowing Date for an Advance, each Lender shall make available its Pro Rata Share of such Advance in funds immediately available in Chicago to the Administrative Agent at its address specified pursuant to Article XIII. The Administrative Agent will make the funds so received from the Lenders available to the Borrower at the Administrative Agent's aforesaid address.

Conversion and Continuation of Outstanding Advances. Floating Rate Advances shall continue as Floating Rate Advances unless and until such Floating Rate Advances are converted into Eurodollar Advances pursuant to this Section 2.5 or are repaid. Each Eurodollar Advance shall continue as a Eurodollar Advance, until the end of the then applicable Interest Period therefor, at which time such Eurodollar Advance shall be automatically converted into a Floating Rate Advance unless (x) such Advance is or was repaid or (y) the Borrower shall have given the Administrative Agent a Conversion/Continuation Notice requesting that, at the end of such Interest Period, such Advance continue as a Eurodollar Advance for the same or another Interest Period. Subject to the terms of Section 2.3, the Borrower may elect from time to time to convert all or any part of any Advance into an Advance of the other Type. The Borrower shall give the Administrative Agent irrevocable notice (a "Conversion/Continuation Notice") of each continuation or conversion of an Advance (other than an automatic continuation or conversion as provided in this Section 2.5) not later than the time specified in Section 2.4 for the making of the Type of Advance to be continued or converted into, specifying:

the requested date, which shall be a Business Day, of such conversion or continuation,

the aggregate amount and Type of the Advance which is to be converted or continued,

in the case of conversion of an Advance, the Type of Advance to be converted into,

the amount of the Advance which is to be converted or continued, and

in the case of conversion into or continuation of a Eurodollar Advance, the duration of the Interest Period applicable thereto.

Each Conversion/Continuation Notice given by the Borrower shall constitute a representation and warranty by the Borrower that no Default or Unmatured Default exists.

Commitment Fee; Voluntary Reductions in Aggregate Commitment. The Borrower agrees to pay to the Administrative Agent for the account of each Lender a commitment fee at a per annum rate equal to the Commitment Fee Rate on the daily unused portion of such Lender's Commitment from the date hereof to the Termination Date, payable on each Payment Date hereafter and on the Termination Date. The Borrower may permanently reduce the Aggregate Commitment in whole, or in part ratably among the Lenders in accordance with their respective Pro Rata Shares, in integral multiples of $1,000,000, upon at least three Business Days' written notice to the Administrative Agent, which notice shall specify the amount of any such reduction, provided that the amount of the Aggregate Commitment may not be reduced below the Total Outstandings. All accrued commitment fees shall be payable on the effective date of any termination of the obligations of the Lenders to make Loans hereunder.

Mandatory Reduction of the Aggregate Commitment. On any date on which a Change of Control occurs, the Aggregate Commitment shall be immediately reduced to zero.

Prepayments. The Borrower may from time to time prepay, without penalty or premium, all outstanding Floating Rate Advances or, in an aggregate amount of $1,000,000 or a higher integral multiple of $500,000 (or, in the case of any prepayment of a Floating Rate Advance made to repay Reimbursement Obligations, in such other amount as is necessary to repay such Advance in full), any portion of the outstanding Floating Rate Advances upon notice to the Administrative Agent not later than 11:00 a.m. on the date of prepayment. The Borrower may from time to time prepay, without penalty or premium, all outstanding Eurodollar Advances or, in an aggregate amount of $1,000,000 or a higher integral multiple thereof, any portion of the outstanding Eurodollar Advances upon three Business Days' prior notice to the Administrative Agent.

On any date on which the Aggregate Commitment is reduced pursuant to Section 2.7, the Borrower shall prepay all Loans.

Any prepayment of a Eurodollar Loan on a day other than the last day of an Interest Period therefor shall be subject to Section 3.4.

Interest Rates, etc. Each Floating Rate Advance shall bear interest on the outstanding principal amount thereof, for each day from the date such Advance is made or is converted from a Eurodollar Advance into a Floating Rate Advance pursuant to Section 2.5 to the date it is paid or is converted into a Eurodollar Advance pursuant to Section 2.5, at a rate per annum equal to the Floating Rate for such day. Changes in the rate of interest on Floating Rate Advances will take effect simultaneously with each change in the Alternate Base Rate. Each Eurodollar Advance shall bear interest on the outstanding principal amount thereof from the first day of each Interest Period applicable thereto to the last day of such Interest Period at the interest rate determined by the Administrative Agent as applicable to such Eurodollar Advance based upon the Borrower's selections under Sections 2.4 and 2.5 and otherwise in accordance with the terms hereof.

Rates Applicable After Default. Notwithstanding anything to the contrary herein, during the existence of a Default or Unmatured Default, the Required Lenders may, at their option, by notice to the Borrower (which notice may be revoked at the option of the Required Lenders notwithstanding any provision of Section 8.2 requiring unanimous consent of the Lenders to changes in interest rates), declare that no Advance may be made as, converted into or continued as a Eurodollar Advance. During the existence of a Default, the Required Lenders may, at their option, by notice to the Borrower (which notice may be revoked at the option of the Required Lenders notwithstanding any provision of Section 8.2 requiring unanimous consent of the Lenders to changes in interest rates), declare that (i) each Eurodollar Advance shall bear interest for the remainder of the applicable Interest Period at the rate otherwise applicable to such Interest Period plus 2% per annum and (ii) each Floating Rate Advance shall bear interest at a rate per annum equal to the Floating Rate in effect from time to time plus 2% per annum, provided that, during the existence of a Default under Section 7.1.6 or 7.1.7, the interest rates set forth in clauses (i) and (ii) above shall be applicable to all Advances without any election or action on the part of the Administrative Agent or any Lender.

Maturity. Any outstanding Advances and all other accrued and unpaid Obligations shall be paid in full by the Borrower on the scheduled Termination Date or such earlier date required by Section 2.7 or Section 8.1.

Method of Payment. All payments of the Obligations hereunder shall be made, without setoff, deduction, or counterclaim, in immediately available funds to the Administrative Agent at the Administrative Agent's address specified pursuant to Article XIII, or at any other Lending Installation of the Administrative Agent specified in writing by the Administrative Agent to the Borrower, by noon on the date when due and (except as otherwise specifically required hereunder) shall be applied ratably by the Administrative Agent among the Lenders in accordance with their respective Pro Rata Shares. Each payment delivered to the Administrative Agent for the account of any Lender shall be delivered promptly by the Administrative Agent to such Lender in the same type of funds that the Administrative Agent received at its address specified pursuant to Article XIII or at any Lending Installation specified in a notice received by the Administrative Agent from such Lender. The Administrative Agent is hereby authorized to charge the account of the Borrower maintained with Bank One for each payment of principal, interest and fees as it becomes due hereunder.

Noteless Agreement; Evidence of Indebtedness. Each Lender shall maintain in accordance with its usual practice an account or accounts evidencing the indebtedness of the Borrower to such Lender resulting from each Loan made by such Lender from time to time, including the amounts of principal and interest payable and paid to such Lender from time to time hereunder.

The Administrative Agent shall also maintain accounts in which it will record (a) the amount of each Loan made hereunder, the Type thereof and, if applicable, each Interest Period with respect thereto, (b) the amount of any principal or interest due and payable or to become due and payable from the Borrower to each Lender hereunder, (c) the Stated Amount of each Letter of Credit and the amount of all Reimbursement Obligations and (d) the amount of any sum received by the Administrative Agent hereunder from the Borrower and each Lender's share thereof.

The entries maintained in the accounts maintained pursuant to subsections (i) and (ii) above shall be prima facie evidence of the existence and amounts of the Obligations therein recorded; provided that the failure of the Administrative Agent or any Lender to maintain such accounts or any error therein shall not in any manner affect the obligation of the Borrower to repay the Obligations in accordance with their terms.

Any Lender may request that its Loans be evidenced by a Note. In such event, the Borrower shall prepare, execute and deliver to such Lender a Note payable to the order of such Lender. Thereafter, the Loans evidenced by such Note and interest thereon shall at all times (including after any assignment pursuant to Section 12.3) be represented by one or more Notes payable to the order of the payee named therein or any assignee pursuant to Section 12.3, except to the extent that any such Lender or assignee subsequently returns any such Note for cancellation and requests that such Loans once again be evidenced as described in subsections (i) and (ii) above.

Telephonic Notices. The Borrower hereby authorizes the Lenders and the Administrative Agent to extend, convert or continue Advances, to effect selections of Types of Advances and to transfer funds based on telephonic notices made by any person or persons the Administrative Agent or any Lender in good faith believes to be acting on behalf of the Borrower, it being understood that the foregoing authorization is specifically intended to allow Borrowing Notices and Conversion/Continuation Notices to be given telephonically. The Borrower agrees to deliver promptly to the Administrative Agent a written confirmation, if such confirmation is requested by the Administrative Agent or any Lender, of each telephonic notice signed by an Authorized Officer. If the written confirmation differs in any material respect from the action taken by the Administrative Agent and the Lenders, the records of the Administrative Agent and the Lenders shall govern absent manifest error.

Interest Payment Dates; Interest and Fee Basis. Interest accrued on each Floating Rate Advance shall be payable on each Payment Date, and at maturity (whether due to acceleration or otherwise). Interest accrued on each Eurodollar Advance shall be payable on the last day of each applicable Interest Period, on any date on which such Advance is prepaid or is converted into a Floating Rate Advance, and at maturity (whether due to acceleration or otherwise). Interest accrued on each Eurodollar Advance having an Interest Period longer than three months shall also be payable on the last day of each three-month interval during such Interest Period. Interest and commitment fees shall be calculated for actual days elapsed on the basis of a 360-day year, except that interest accruing at the Prime Rate shall be calculated for actual days elapsed on the basis of a 365, or when appropriate 366, day year. Interest shall be payable for the day an Advance is made but not for the day of any payment on the amount paid if payment is received prior to noon at the place of payment. If any payment of principal of or interest on an Advance shall become due on a day which is not a Business Day, such payment shall be made on the next succeeding Business Day and, in the case of a principal payment, such extension of time shall be included in computing interest in connection with such payment.

Notification of Advances, Interest Rates, Prepayments and Commitment Reductions. Promptly after receipt thereof, the Administrative Agent will notify each Lender of the contents of each Aggregate Commitment reduction notice, Borrowing Notice, Conversion/Continuation Notice and repayment notice received by it hereunder. The Administrative Agent will notify each Lender of the interest rate applicable to each Eurodollar Advance promptly upon determination of such interest rate and will give each Lender prompt notice of each change in the Alternate Base Rate.

Lending Installations. Each Lender may book its Loans at any Lending Installation selected by such Lender and may change its Lending Installation from time to time. All terms of this Agreement shall apply to any such Lending Installation and the Loans and any Notes issued hereunder shall be deemed held by each Lender for the benefit of any such Lending Installation. Each Lender may, by written notice to the Administrative Agent and the Borrower in accordance with Article XIII, designate replacement or additional Lending Installations through which Loans will be made by it and for whose account Loan payments are to be made.

Non-Receipt of Funds by the Administrative Agent. Unless the Borrower or Lender, as the case may be, notifies the Administrative Agent prior to the date on which it is scheduled to make payment to the Administrative Agent of (i) in the case of a Lender, the proceeds of a Loan or (ii) in the case of the Borrower, a payment of principal, interest or fees to the Administrative Agent for the account of the Lenders, that it does not intend to make such payment, the Administrative Agent may assume that such payment has been made. The Administrative Agent may, but shall not be obligated to, make the amount of such payment available to the intended recipient in reliance upon such assumption. If such Lender or the Borrower, as the case may be, has not in fact made such payment to the Administrative Agent, the recipient of such payment shall, on demand by the Administrative Agent, repay to the Administrative Agent the amount so made available together with interest thereon in respect of each day during the period commencing on the date such amount was so made available by the Administrative Agent until the date the Administrative Agent recovers such amount at a rate per annum equal to (x) in the case of payment by a Lender, the Federal Funds Effective Rate for such day for the first three days and, thereafter, the interest rate applicable to the relevant Loan or (y) in the case of payment by the Borrower, the interest rate applicable to the relevant Loan.

Replacement of Lender. If the Borrower is required pursuant to Section 3.1, 3.2 or 3.5 to make any additional payment to any Lender or if any Lender's obligation to make or continue, or to convert Advances into, Eurodollar Advances shall be suspended pursuant to Section 3.3 (any Lender so affected an "Affected Lender"), the Borrower may elect, if such amounts continue to be charged or such suspension is still effective, to replace such Affected Lender as a Lender party to this Agreement, provided that no Default or Unmatured Default shall have occurred and be continuing at the time of such replacement, and provided, further, that, concurrently with such replacement, (i) another bank or other entity which is reasonably satisfactory to the Borrower and the Administrative Agent shall agree, as of such date, to purchase for cash the Advances and other Obligations due to the Affected Lender pursuant to an assignment substantially in the form of Exhibit C and to become a Lender for all purposes under this Agreement and to assume all obligations of the Affected Lender to be terminated as of such date and to comply with the requirements of Section 12.3 applicable to assignments, and (ii) the Borrower shall pay to such Affected Lender in same day funds on the day of such replacement (A) all interest, fees and other amounts then accrued but unpaid to such Affected Lender by the Borrower hereunder to the date of termination, including payments due to such Affected Lender under Sections 3.1, 3.2 and 3.5, and (B) an amount, if any, equal to the payment which would have been due to such Lender on the day of such replacement under Section 3.4 had the Loans of such Affected Lender been prepaid on such date rather than sold to the replacement Lender.

Letters of Credit.

Issuance. The Issuer hereby agrees, on the terms and conditions set forth in this Agreement, to issue standby letters of credit (each a "Letter of Credit") and to renew, extend, increase, decrease or otherwise modify Letters of Credit ("Modify," and each such action a "Modification") from time to time from the date of this Agreement to the Termination Date upon the request of the Borrower; provided that immediately after each Letter of Credit is issued or Modified, the amount of the LC Obligations shall not exceed $20,000,000 and the Total Outstandings shall not exceed the Aggregate Commitment. No Letter of Credit shall have an expiry date later than the scheduled Termination Date.

Participations. Upon the issuance or Modification by the Issuer of a Letter of Credit in accordance with this Section 2.20, the Issuer shall be deemed, without further action by any Person, to have unconditionally and irrevocably sold to each Lender, and each Lender shall be deemed, without further action by any Person, to have unconditionally and irrevocably purchased from the Issuer, a participation in such Letter of Credit (and each Modification thereof) and the related LC Obligations in proportion to its Pro Rata Share.

Issuance or Modification of Letters of Credit. Subject to Section 2.20.1, the Borrower shall deliver an LC Application to the Issuer prior to 11:00 a.m. at least two Business Days (or such lesser period of time as the Issuer may agree in its sole discretion) prior to the proposed date of issuance or Modification of a Letter of Credit, specifying the beneficiary, the proposed date of issuance (or Modification) and the expiry date of such Letter of Credit and, in the case of issuance of a Letter of Credit, describing the proposed terms of such Letter of Credit and the nature of the transactions proposed to be supported thereby. Upon receipt of an LC Application, the Issuer shall promptly notify the Administrative Agent, and the Administrative Agent shall promptly notify each Lender, of the contents thereof and of the amount of each Lender's participation in such proposed Letter of Credit. The Issuer shall have no obligation to issue, or to increase the amount or extend the expiry date of, any Letter of Credit unless the conditions precedent set forth in Article IV are satisfied; it being understood that the Issuer shall have no duty to ascertain whether such conditions have been satisfied unless the Issuer has received written notice from the Borrower, the Administrative Agent or any Lender, which has not been rescinded, stating that any such condition precedent has not been satisfied. In the event of any conflict between the terms of this Agreement and the terms of any LC Application, the terms of this Agreement shall control.

Letter of Credit Fees. The Borrower shall pay to the Administrative Agent, for the account of the Lenders ratably in accordance with their respective Pro Rata Shares, with respect to each Letter of Credit, a letter of credit fee at a rate per annum equal to the LC Fee Rate in effect from time to time on the Stated Amount of such Letter of Credit, such fee to be payable in arrears on each Payment Date, on the Termination Date and thereafter (if applicable) on demand; provided that during the existence of a Default, the Required Lenders may, at their option, by notice to the Borrower (which notice may be revoked at the option of the Required Lenders notwithstanding any provision of Section 8.2 requiring unanimous consent of the Lenders to changes in fees), declare that such fee shall be calculated based upon the LC Fee Rate plus 2%. The Borrower shall also pay to the Issuer for its own account (x) a fronting fee of 0.125% per annum on the Stated Amount of each Letter of Credit, with such fee to be payable in arrears on each Payment Date, and (y) documentary and processing charges in connection with the issuance or Modification of and draws under Letters of Credit in accordance with the Issuer's standard schedule for such charges as in effect from time to time.

Reimbursement by Borrower. Promptly upon receipt from the beneficiary of any Letter of Credit of any demand for payment under such Letter of Credit, the Issuer shall notify the Administrative Agent, and upon receipt of such notice the Administrative Agent shall promptly notify the Borrower and each other Lender, as to the amount to be paid by the Issuer as a result of such demand and the proposed payment date. If the Issuer honors such demand for payment, the Issuer shall promptly notify the Borrower and the Borrower shall be irrevocably and unconditionally obligated to reimburse the Issuer for such payment not later than noon (i) if notice of such payment is received from the Issuer prior to 9:45 a.m. on a Business Day, on such Business Day, or (ii) otherwise, on the Business Day immediately following the Borrower's receipt of such notice (it being understood that, subject to the other terms and conditions of this Agreement, the Borrower may request Advances to pay Reimbursement Obligations hereunder and that, in determining whether the making of any Advance would cause the Total Outstandings to exceed the Aggregate Commitment, any Reimbursement Obligation that will be paid with the proceeds of such Advance shall be deemed not to be outstanding). Any amount paid by the Issuer under a Letter of Credit and not reimbursed by the Borrower on the date of such payment shall bear interest, payable on demand, at a rate per annum equal to (a) for any day prior to the date on which such payment by the Borrower is due in accordance with the foregoing sentence, the Federal Funds Effective Rate, and (b) thereafter, the rate applicable to Floating Rate Advances plus, beginning on the first Business Day after such payment is due, 2%.

Reimbursement by Lenders. If and to the extent that the Borrower fails to reimburse the Issuer for any payment under a Letter of Credit by the time required by Section 2.20.5, each Lender (other than the Issuer in its capacity as a Lender) shall be unconditionally and irrevocably obligated, without regard to the occurrence of any Default or Unmatured Default or any condition precedent whatsoever, to pay the Issuer on demand (i) such Lender's Pro Rata Share of such unreimbursed amount plus (ii) interest on the amount payable by such Lender, for each day from the date of the applicable payment by the Issuer to the date on which the Issuer receives payment from such Lender, at a rate per annum equal to the Federal Funds Effective Rate or, beginning on third Business Day after demand for such amount by the Issuer, the rate applicable to Floating Rate Advances. The Issuer will pay to each Lender, ratably in accordance with its Pro Rata Share, any amount received by it from the Borrower for application in payment, in whole or in part, to amounts owed by the Borrower in respect of any drawing under a Letter of Credit, together with interest paid by the Borrower thereon, but only to the extent (and, in the case of interest, for the relevant period of time after) such Lender made payment to the Issuer in respect of such drawing pursuant to this Section 2.20.6.

Obligations Absolute. The Borrower's obligation to reimburse the Issuer for each drawing under a Letter of Credit shall be absolute and unconditional under any and all circumstances and irrespective of any setoff, counterclaim or defense to payment which the Borrower may have or have had against the Issuer, any Lender or any beneficiary of a Letter of Credit. The Borrower further agrees with the Issuer and the Lenders that neither the Issuer nor any Lender shall be responsible for, and the Reimbursement Obligations in respect of any Letter of Credit shall not be affected by, among other things, any error, omission, interruption or delay in transmission, dispatch or delivery of any message or advice, however transmitted, in connection with any Letter of Credit, the validity or genuineness of documents or of any endorsements thereon, even if such documents should in fact prove to be in any or all respects invalid, fraudulent or forged, or any dispute between or among the Borrower, any of its Affiliates, the beneficiary of any Letter of Credit or any financing institution or other Person to whom any Letter of Credit may be transferred or any claim or defense whatsoever of the Borrower or of any of its Affiliates against the beneficiary of any Letter of Credit or any such transferee. The Borrower agrees that any action taken or omitted by the Issuer or any Lender under or in connection with any Letter of Credit and the related drafts and documents, if done without gross negligence or willful misconduct, shall be binding upon the Borrower and shall not put the Issuer or any Lender under any liability to the Borrower. Notwithstanding the foregoing or any other provision of this Agreement, the Borrower shall not be precluded from asserting any claim for direct (but not consequential) damages suffered by the Borrower to the extent, but only to the extent, caused by the gross negligence or willful misconduct of the Issuer in determining whether a request presented under any Letter of Credit complied with the terms of such Letter of Credit, the Issuer's failure to pay under any Letter of Credit after the presentation to it of a request strictly complying with the terms and conditions of such Letter of Credit or the gross negligence or willful misconduct of the Administrative Agent or any Lender in giving a notice of the type described in the second-to-last sentence of Section 2.20.3.

Actions of Issuer. The Issuer shall be entitled to rely, and shall be fully protected in relying, upon any Letter of Credit, draft, writing, resolution, notice, consent, certificate, affidavit, letter, cablegram, telegram, facsimile, telex or teletype message, statement, order or other document believed in good faith by it to be genuine and correct and to have been signed, sent or made by the proper Person or Persons, and upon advice and statements of legal counsel, independent accountants and other experts selected by the Issuer. The Issuer shall be fully justified in failing or refusing to take any action under this Agreement unless it shall first have received such advice or concurrence of the Required Lenders as it reasonably deems appropriate or it shall first be indemnified to its reasonable satisfaction by the Lenders against any and all liability and expense which may be incurred by it by reason of taking or continuing to take any such action. Notwithstanding any other provision of this Section 2.20, the Issuer shall in all cases be fully protected in acting, or in refraining from acting, under this Agreement in accordance with a request of the Required Lenders, and such request and any action taken or failure to act pursuant thereto shall be binding upon the Lenders and any future holder of a participation in any Letter of Credit. Without limiting the foregoing, the responsibility of the Issuer to the Borrower and each Lender with respect to any requested drawing under a Letter of Credit shall be only to determine that the documents delivered under such Letter of Credit in connection with a demand for payment appear on their face to be in conformity in all material respects with such Letter of Credit.

Indemnification. The Borrower agrees to indemnify and hold harmless each Lender, the Issuer and the Administrative Agent, and their respective directors, officers, agents and employees, from and against any and all claims and damages, losses, liabilities, costs or expenses which such Lender, the Issuer or the Administrative Agent may incur (or which may be claimed against such Lender, the Issuer or the Administrative Agent by any Person whatsoever) by reason of or in connection with the issuance, execution and delivery or transfer of or payment or failure to pay under any Letter of Credit or any actual or proposed use of any Letter of Credit, including any claims, damages, losses, liabilities, costs or expenses which the Issuer may incur by reason of or in connection with the failure of any other Lender to fulfill or comply with its obligations to the Issuer hereunder (but nothing herein contained shall affect any right the Borrower may have against any defaulting Lender) or by reason of or on account of the Issuer issuing any Letter of Credit which specifies that the term "Beneficiary" therein includes any successor by operation of law of the named Beneficiary, but which Letter of Credit does not require that any drawing by any such successor Beneficiary be accompanied by a copy of a legal document, satisfactory to the Issuer, evidencing the appointment of such successor Beneficiary; provided that the Borrower shall not be required to indemnify any Lender, the Issuer or the Administrative Agent for any claims, damages, losses, liabilities, costs or expenses to the extent, but only to the extent, caused by any event described in clause , (ii) or (iii) of the last sentence of Section 2.20.7. Nothing in this Section 2.20.9 is intended to limit the obligations of the Borrower under any other provision of this Agreement.

Lenders' Indemnification. Each Lender shall, ratably in accordance with its Pro Rata Share, indemnify the Issuer and its affiliates and their respective directors, officers, agents and employees (to the extent not reimbursed by the Borrower) against any cost, expense (including reasonable counsel fees and charges), claim, demand, action, loss or liability (except such as result from such indemnitees' gross negligence or willful misconduct or the Issuer's failure to pay under any Letter of Credit after the presentation to it of a request strictly complying with the terms and conditions of such Letter of Credit) that such indemnitees may suffer or incur in connection with this Section 2.20 or any action taken or omitted by such indemnitees hereunder.

LC Collateral Account. The Borrower agrees that, if any Letter of Credit is outstanding on the Termination Date, it will establish on such date (or on such earlier date as may be required pursuant to Section 8.1), and thereafter maintain so long as any Letter of Credit is outstanding or any amount is payable to the Issuer or the Lenders in respect of any Letter of Credit, a special collateral account pursuant to arrangements satisfactory to the Administrative Agent (the "LC Collateral Account") at the Administrative Agent's office at the address specified pursuant to Article XIII, in the name of the Borrower but under the sole dominion and control of the Administrative Agent, for the benefit of the Lenders, and in which the Borrower shall have no interest other than as set forth in Section 8.1. The Borrower hereby pledges, assigns and grants to the Administrative Agent, on behalf of and for the ratable benefit of the Lenders and the Issuer, a security interest in all of the Borrower's right, title and interest in and to all funds which may from time to time be on deposit in the LC Collateral Account, to secure the prompt and complete payment and performance of the Obligations. The Administrative Agent will invest any funds on deposit from time to time in the LC Collateral Account in certificates of deposit of Bank One having a maturity not exceeding 30 days. The Administrative Agent agrees that when all Obligations have been paid in full and all Letters of Credit have expired or been terminated, the Administrative Agent will deliver all remaining funds in the LC Collateral Account to the Borrower (or such other Person as is entitled thereto under applicable law). If the Administrative Agent determines that any Person other than the Borrower is entitled to such remaining funds, the Administrative Agent shall use reasonable efforts to give the Borrower notice of such determination in advance of delivering such funds to any other Person, but the Administrative Agent shall have no liability for the failure to deliver such notice.

Rights as a Lender. In its capacity as a Lender, the Issuer shall have the same rights and obligations as any other Lender.

YIELD PROTECTION; TAXES

Yield Protection. If, on or after the date of this Agreement, (x) the adoption of or any change in any law or any governmental or quasi-governmental rule, regulation, policy, guideline or directive (whether or not having the force of law), or (y) any change in the interpretation or administration thereof by any governmental or quasi-governmental authority, central bank or comparable agency charged with the interpretation or administration thereof, or (z) compliance by any Lender or applicable Lending Installation with any request or directive (whether or not having the force of law) issued on or after the date hereof of any such authority, central bank or comparable agency:

subjects any Lender or any applicable Lending Installation to any Taxes, or changes the basis of taxation of payments (other than with respect to Excluded Taxes) to any Lender in respect of its Eurodollar Loans or Letters of Credit or participations therein, or

imposes or increases or deems applicable any reserve, assessment, insurance charge, special deposit or similar requirement against assets of, deposits with or for the account of, or credit extended by, any Lender or any applicable Lending Installation (other than reserves and assessments taken into account in determining the interest rate applicable to Eurodollar Advances), or

imposes any other condition the result of which is to increase the cost to any Lender or any applicable Lending Installation of making, funding or maintaining its Eurodollar Loans or of issuing or participating in Letters of Credit or reduces any amount receivable by any Lender or any applicable Lending Installation in connection with its Eurodollar Loans or its issuance of or participations in Letters of Credit, or requires any Lender or any applicable Lending Installation to make any payment calculated by reference to the amount of Eurodollar Loans held or interest received, or Letters of Credit issued or participated in, by it , by an amount deemed material by such Lender,

and the result of any of the foregoing is to increase the cost to such Lender or applicable Lending Installation of making or maintaining its Eurodollar Loans or Commitment or issuing or participating in Letters or Credit or to reduce the return received by such Lender or applicable Lending Installation in connection with such Eurodollar Loans, such Commitment or the Letters of Credit, then, within 15 days of demand by such Lender, the Borrower shall pay such Lender such additional amount or amounts as will compensate such Lender for such increased cost or reduction in amount received. A Lender shall not be entitled to demand compensation or be compensated hereunder to the extent that such compensation relates to any period of time more than 60 days prior to the date upon which such Lender first notified the Borrower of the occurrence of the event entitling such Lender to such compensation (unless, and to the extent, that any such compensation so demanded shall relate to the retroactive application of any event so notified to the Borrower).

Without limiting subsection (a) above, any Lender may require the Borrower to pay, contemporaneously with each payment of interest on any Eurodollar Loan of such Lender, additional interest on such Eurodollar Loan at a rate per annum determined by such Lender up to but not exceeding the excess of (i) (A) the applicable Eurodollar Base Rate divided by (B) one minus the Reserve Requirement over (ii) the applicable Eurodollar Base Rate. Any Lender wishing to require payment of such additional interest (x) shall so notify the Borrower and the Administrative Agent, in which case such additional interest on the Eurodollar Loans of such Lender shall be payable to such Lender at the place indicated in such notice with respect to each Interest Period commencing at least three Business Days after the giving of such notice and (y) shall notify the Borrower at least five Business Days prior to each date on which interest is payable on any Eurodollar Loan of the amount then due it under this Section 3.1.

Changes in Capital Adequacy Regulations. If a Lender determines the amount of capital required or expected to be maintained by such Lender, any Lending Installation of such Lender or any corporation controlling such Lender is increased as a result of a Change, then, within 15 days of demand by such Lender, the Borrower shall pay such Lender the amount necessary to compensate for any shortfall in the rate of return on the portion of such increased capital which such Lender determines is attributable to this Agreement, its Loans, its Commitment or its obligation to issue or participate in Letters of Credit (after taking into account such Lender's policies as to capital adequacy). "Change" means (i) any change after the date of this Agreement in the Risk-Based Capital Guidelines or (ii) any adoption of or change in any other law, governmental or quasi-governmental rule, regulation, policy, guideline, interpretation, or directive (whether or not having the force of law) after the date of this Agreement which affects the amount of capital required or expected to be maintained by any Lender or any Lending Installation or any corporation controlling any Lender. "Risk-Based Capital Guidelines" means (i) the risk-based capital guidelines in effect in the United States on the date of this Agreement, including transition rules, and (ii) the corresponding capital regulations promulgated by regulatory authorities outside the United States implementing the July 1988 report of the Basle Committee on Banking Regulation and Supervisory Practices Entitled "International Convergence of Capital Measurements and Capital Standards," including transition rules, and any amendments to such regulations adopted prior to the date of this Agreement.

Availability of Types of Advances. If any Lender reasonably determines that maintenance of its Eurodollar Loans at a suitable Lending Installation would violate any applicable law, rule, regulation, or directive, whether or not having the force of law, or if the Required Lenders reasonably determine that (i) deposits of a type and maturity appropriate to match fund Eurodollar Advances are not available or (ii) the Eurodollar Base Rate does not accurately reflect the cost of obtaining funds to make or maintain Eurodollar Advances, then the Administrative Agent shall suspend the availability of Eurodollar Advances and require any affected Eurodollar Advances to be repaid or converted to Floating Rate Advances (on or before the date required by such law, rule, regulation or directive), subject to the payment of any funding indemnification amounts required by Section 3.4.

Funding Indemnification. If any payment of a Eurodollar Advance occurs on a date which is not the last day of the applicable Interest Period, whether because of acceleration, prepayment or otherwise, or a Eurodollar Advance is not made, continued or converted on a date specified by the Borrower for any reason other than default by the Lenders, the Borrower will indemnify each Lender for any loss or cost incurred by it resulting therefrom, including any loss or cost in liquidating or employing deposits acquired to fund or maintain such Eurodollar Rate Advance.

Taxes. All payments by the Borrower to or for the account of any Lender or the Administrative Agent hereunder or under any Note shall be made free and clear of and without deduction for any and all Taxes. If the Borrower shall be required by law to deduct any Taxes from or in respect of any sum payable hereunder to any Lender or the Administrative Agent, (a) the sum payable shall be increased as necessary so that after making all required deductions (including deductions applicable to additional sums payable under this Section 3.5) such Lender or the Administrative Agent (as the case may be) receives an amount equal to the sum it would have received had no such deductions been made, (b) the Borrower shall make such deductions, (c) the Borrower shall pay the full amount deducted to the relevant authority in accordance with applicable law and (d) the Borrower shall furnish to the Administrative Agent the original copy of a receipt evidencing payment thereof within 30 days after such payment is made.

In addition, the Borrower hereby agrees to pay any present or future stamp or documentary taxes and any other excise or property taxes, charges or similar levies which arise from any payment made hereunder or under any Note or LC Application or from the execution or delivery of, or otherwise with respect to, this Agreement, any Note or any LC Application ("Other Taxes").

The Borrower hereby agrees to indemnify the Administrative Agent and each Lender for the full amount of Taxes or Other Taxes (including any Taxes or Other Taxes imposed on amounts payable under this Section 3.5) paid by the Administrative Agent or such Lender and any liability (including penalties, interest and expenses) arising therefrom or with respect thereto. Payments due under this indemnification shall be made within 30 days of the date the Administrative Agent or such Lender makes demand therefor pursuant to Section 3.6.

Each Lender that is not incorporated under the laws of the United States of America or a state thereof (each a "Non-U.S. Lender") agrees that it will, not less than ten Business Days after the date of this Agreement, (i) deliver to each of the Borrower and the Administrative Agent two duly completed copies of United States Internal Revenue Service Form W-8 BEN or W-8 ECI, certifying in either case that such Lender is entitled to receive payments under this Agreement without deduction or withholding of any United States federal income taxes, and (ii) deliver to each of the Borrower and the Administrative Agent a United States Internal Revenue Form W-8 or W-9, as the case may be, and certify that it is entitled to an exemption from United States backup withholding tax. Each Non-U.S. Lender further undertakes to deliver to each of the Borrower and the Administrative Agent (x) renewals or additional copies of such form (or any successor form) on or before the date that such form expires or becomes obsolete, and (y) after the occurrence of any event requiring a change in the most recent forms so delivered by it, such additional forms or amendments thereto as may be reasonably requested by the Borrower or the Administrative Agent. All forms or amendments described in the preceding sentence shall certify that such Lender is entitled to receive payments under this Agreement without deduction or withholding of any United States federal income taxes, unless an event (including any change in treaty, law or regulation) has occurred prior to the date on which any such delivery would otherwise be required which renders all such forms inapplicable or which would prevent such Lender from duly completing and delivering any such form or amendment with respect to it and such Lender advises the Borrower and the Administrative Agent that it is not capable of receiving payments without any deduction or withholding of United States federal income tax.

For any period during which a Non-U.S. Lender has failed to provide the Borrower with an appropriate form pursuant to subsection (iv), above (unless such failure is due to a change in treaty, law or regulation, or any change in the interpretation or administration thereof by any governmental authority, occurring subsequent to the date on which a form originally was required to be provided), such Non-U.S. Lender shall not be entitled to indemnification under this Section 3.5 with respect to Taxes imposed by the United States; provided that, should a Non-U.S. Lender which is otherwise exempt from or subject to a reduced rate of withholding tax become subject to Taxes because of its failure to deliver a form required under subsection (iv), above, the Borrower shall take such steps as such Non-U.S. Lender shall reasonably request to assist such Non-U.S. Lender to recover such Taxes.

Any Lender that is entitled to an exemption from or reduction of withholding tax with respect to payments under this Agreement or any Note pursuant to the law of any relevant jurisdiction or any treaty shall deliver to the Borrower (with a copy to the Administrative Agent), at the time or times prescribed by applicable law, such properly completed and executed documentation prescribed by applicable law as will permit such payments to be made without withholding or at a reduced rate.

If the U.S. Internal Revenue Service or any other governmental authority of the United States or any other country or any political subdivision thereof asserts a claim that the Administrative Agent did not properly withhold tax from amounts paid to or for the account of any Lender (because the appropriate form was not delivered or properly completed, because such Lender failed to notify the Administrative Agent of a change in circumstances which rendered its exemption from withholding ineffective, or for any other reason), such Lender shall indemnify the Administrative Agent fully for all amounts paid, directly or indirectly, by the Administrative Agent as tax, withholding therefor, or otherwise, including penalties and interest, and including taxes imposed by any jurisdiction on amounts payable to the Administrative Agent under this subsection, together with all costs and expenses related thereto (including attorneys fees and time charges of attorneys for the Administrative Agent, which attorneys may be employees of the Administrative Agent). The obligations of the Lenders under this Section 3.5(vii) shall survive the payment of the Obligations and termination of this Agreement.

Lender Statements; Survival of Indemnity. To the extent reasonably possible, each Lender shall designate an alternate Lending Installation with respect to its Eurodollar Loans to reduce any liability of the Borrower to such Lender under Sections 3.1, 3.2 and 3.5 or to avoid the unavailability of Eurodollar Advances under Section 3.3, so long as such designation is not, in the reasonable judgment of such Lender, disadvantageous to such Lender. Each Lender shall deliver a written statement of such Lender to the Borrower (with a copy to the Administrative Agent) as to the amount due, if any, under Section 3.1, 3.2, 3.4 or 3.5. Such written statement shall set forth in reasonable detail the calculations upon which such Lender determined such amount and shall be rebuttable presumptive evidence of the amount thereof. Determination of amounts payable under such Sections in connection with a Eurodollar Loan shall be calculated as though each Lender funded its Eurodollar Loan through the purchase of a deposit of the type and maturity corresponding to the deposit used as a reference in determining the Eurodollar Base Rate applicable to such Eurodollar Loan, whether in fact that is the case or not. The obligations of the Borrower under Sections 3.1, 3.2, 3.4 and 3.5 shall survive payment of the Obligations and termination of this Agreement.

CONDITIONS PRECEDENT

Initial Credit Extension. The Lenders shall not be required to make the initial Credit Extension hereunder unless (a) concurrently with the making of such Credit Extension, the Borrower shall have paid in full all principal, interest, fees and other amounts payable under the Existing Agreement and (b) the Borrower shall have furnished to the Administrative Agent with sufficient copies for the Lenders:

Copies of the articles or certificate of incorporation or other organizational documents of the Borrower and each Guarantor, together with all amendments, and a certificate of good standing, each certified by the appropriate governmental officer in its jurisdiction of organization.

Copies certified by the Secretary or Assistant Secretary of the Borrower and each Guarantor, of its by-laws (to the extent applicable) and of its Board of Directors' resolutions, members' resolutions or similar documents authorizing the execution of the Loan Documents to which the Borrower or such Guarantor is a party.

An incumbency certificate, executed by the Secretary or Assistant Secretary of the Borrower and each Guarantor, which shall identify by name and title and bear the signatures of the officers of the Borrower or such Guarantor authorized to sign the Loan Documents to which the Borrower or such Guarantor is a party, upon which certificate the Administrative Agent and the Lenders shall be entitled to rely until informed of any change in writing by the Borrower or such Guarantor.

Evidence, in form and substance satisfactory to the Administrative Agent, that the Borrower has obtained all governmental approvals necessary for it to enter into the Loan Documents.

A certificate, signed by an Authorized Officer, stating that on the initial Borrowing Date (x) no Default or Unmatured Default has occurred and is continuing and (y) the representations and warranties set forth in Article V are true and correct as of such date.

A written opinion of counsel to the Borrower and the Guarantors, addressed to the Lenders in substantially the form of Exhibit B.

Any Note requested by a Lender pursuant to Section 2.13 payable to the order of such requesting Lender.

Written money transfer instructions, in substantially the form of Exhibit D, addressed to the Administrative Agent and signed by an Authorized Officer, together with such other related money transfer authorizations as the Administrative Agent may have reasonably requested.

The Subsidiary Guaranty signed by sufficient Subsidiaries so that the Borrower is in compliance with Section 6.3.3.

Copies, certified as being correct and complete by an Authorized Officer, of the Indenture dated as of December 1, 1995, between the Borrower and Bank One (then known as The First National Bank of Chicago), as trustee, and all supplements thereto.

Such other documents as any Lender or its counsel may have reasonably requested.

Each Credit Extension. No Lender shall be required to make any Credit Extension unless on the date of such Credit Extension:

No Default or Unmatured Default exists or will result therefrom.

The representations and warranties contained in Article V are true and correct as of such date except to the extent any such representation or warranty is stated to relate solely to an earlier date, in which case such representation or warranty shall have been true and correct on and as of such earlier date.

All legal matters incident to the making of such Credit Extension are reasonably satisfactory to the Administrative Agent and its counsel.

Each Borrowing Notice with respect to an Advance and each LC Application shall constitute a representation and warranty by the Borrower that the conditions contained in subsections (i) and (ii) above have been satisfied. For the avoidance of doubt, the conversion or continuation of a Loan shall not constitute the making of a Credit Extension.

REPRESENTATIONS AND WARRANTIES

The Borrower represents and warrants to the Lenders that:

Organization. The Borrower and each of its Subsidiaries are duly organized, validly existing and in good standing under the laws of the states of their organization and have all requisite authority to conduct their respective businesses in each jurisdiction in which the failure to have such authority, singly or in the aggregate, could reasonably be expected to have a Material Adverse Effect. The Borrower and each of its Subsidiaries have full power and authority to carry on their business as now conducted.

Authorization and Validity. The Borrower and each Guarantor has the power and authority and legal right to execute and deliver the Loan Documents to which it is a party and to perform its obligations thereunder. The execution and delivery by the Borrower and each Guarantor of the Loan Documents to which it is a party have been duly authorized by proper organizational proceedings, and the Loan Documents to which the Borrower and such Guarantor is a party constitute legal, valid and binding obligations of the Borrower or such Guarantor, as the case may be, enforceable against the Borrower or such Guarantor, as the case may be, in accordance with their terms, except as enforceability may be limited by bankruptcy, insolvency or similar laws affecting the enforcement of creditors' rights generally.

Financial Statements. The December 31, 2002 and the September 30, 2003 consolidated financial statements of the Borrower and the Subsidiaries heretofore delivered to the Administrative Agent and the Lenders were prepared in accordance with generally accepted accounting principles in effect on the date such statements were prepared and fairly present the financial position and results of operations of the Borrower and its Subsidiaries at such dates and the consolidated results of their operations for the periods then ended.

Subsidiaries. Schedule 5.4 contains an accurate list of all of the presently existing Subsidiaries, setting forth their respective jurisdictions of organization and the percentage of their respective capital stock or membership interests owned by the Borrower or other Subsidiaries. All of the issued and outstanding shares of capital stock of each corporate Subsidiary have been duly authorized and issued and are fully paid and nonassessable.

ERISA. Each Plan is in material compliance with, and has been administered in material compliance with, all applicable provisions of ERISA, the Code and any other applicable federal or state law, except where the failure to so comply would not (individually or in the aggregate) reasonably be expected to have a Material Adverse Effect, and no event or condition has occurred and is continuing as to which the Borrower is under an obligation to furnish a report to the Administrative Agent and the Lenders under Section 6.1(d) and which would reasonably be expected (individually or in the aggregate) to have a Material Adverse Effect.

Defaults. No Default or Unmatured Default has occurred and is continuing.

Accuracy of Information. No information, exhibit or report furnished by the Borrower or any Subsidiary to the Administrative Agent or any Lender in connection with the negotiation of this Agreement contains any material misstatement of fact or omitted to state a material fact necessary to make the statements contained therein not misleading.

Regulation U. Neither the Borrower nor any Subsidiary is engaged principally, or as one of its important activities, in the business of extending credit for the purpose of purchasing or carrying Margin Stock. Margin Stock constitutes less than 25% of the consolidated assets of the Borrower and its Subsidiaries which are subject to any limitation on sale or pledge or any other restriction hereunder. No part of the proceeds of any Loan will be used to purchase or carry any Margin Stock in violation of Regulation U.

No Adverse Change. Since September 30, 2003 there has been no change in the business, property, condition (financial or otherwise) or results of operations of the Borrower and its Subsidiaries which could reasonably be expected to have a Material Adverse Effect.

Taxes. The Borrower and its Subsidiaries have filed all United States federal tax returns and all other tax returns which, to the Knowledge of the Borrower, are required to be filed and have paid all taxes due pursuant to said returns or material taxes due pursuant to any assessment received by the Borrower or any Subsidiary, except in both cases such taxes, if any, as are being contested in good faith and as to which adequate reserves have been provided in accordance with Agreement Accounting Principles. The charges, accruals and reserves on the books of the Borrower and its Subsidiaries in respect of any taxes or other governmental charges are adequate in accordance with Agreement Accounting Principles.

Liens. There are no Liens on any of the properties or assets of the Borrower or any Subsidiary except (i) Liens permitted by Section 6.3.2 and (ii) with respect to properties and assets other than Productive Properties, Principal Transmission Facilities and the stock of any Subsidiary, Liens that could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. All easements, rights of way, licenses and other real property rights required for operation of the businesses of the Borrower and its Subsidiaries (collectively the "Rights of Way") are owned free and clear of any Lien, other than Liens permitted by this Agreement and Liens already on any parcel of real property with respect to which the Rights of Way have been granted, which will not, in the aggregate, at any time materially detract from the value of the Rights of Way or materially impair the use of the Rights of Way in the operation of the businesses of the Borrower and its Subsidiaries.

Compliance with Orders. Neither the Borrower nor any Subsidiary is in default under the terms of any order of any federal or state court or administrative agency by which it or any of its properties may be bound, except for any defaults which could not, individually or in the aggregate, be reasonably expected to have a Material Adverse Effect.

Litigation. Except as set forth in Schedule 5.13, there are no actions at law or in equity pending or, to the Knowledge of the Borrower, threatened involving the likelihood of any judgment or liability against the Borrower or any Subsidiary which could reasonably be expected to have a Material Adverse Effect.

Burdensome Agreements. The Borrower is not a party to any contract or agreement which, in the opinion of management of the Borrower, could reasonably be expected to have a Material Adverse Effect.

No Conflict. Neither the execution and delivery by the Borrower or any Guarantor of the Loan Documents to which it is a party, nor the consummation of the transactions therein contemplated, nor compliance with the provisions thereof will conflict with or result in the breach of any of the terms, conditions or provisions of, or constitute a default under, the charter or bylaws of the Borrower or any Subsidiary, or any indenture, loan agreement or other agreement or instrument to which the Borrower or any Subsidiary is a party or by which it may be bound, or result in creation of any Lien on any property of the Borrower or any Subsidiary, and neither the Borrower nor any Subsidiary is in default (after the expiration of any applicable grace period) in the performance, observance or fulfillment of any of the obligations, covenants or conditions contained in (i) any agreement to which it is a party, which default could reasonably be expected to have a Material Adverse Effect, or (ii) any agreement or instrument evidencing or governing Indebtedness in a principal amount exceeding $10,000,000.

Title to Properties. The Borrower and its Subsidiaries have good and marketable title to all real properties purported to be owned by them and good title to all other assets purported to be owned by them, subject to such minor defects as are common to property of the type owned by the Borrower and its Subsidiaries and Liens permitted by this Agreement and such defects and Liens in the aggregate do not materially interfere with or impair the Borrower's or any Subsidiary's business as presently conducted.

Public Utility Holding Company Act. The Borrower and the Subsidiaries are exempt from registration under the provisions of the Public Utility Holding Company Act of 1935 pursuant to Section 3(a) thereof.

Regulatory Approval. No consent or authorization of, filing with, or any other act by or in respect of any Person is required in connection with the enforceability, execution, delivery, performance or validity of this Agreement or the transactions contemplated thereby.

Negative Pledge. Except as set forth in Schedule 5.19, neither the Borrower nor any Subsidiary is subject to any agreement, indenture, instrument, undertaking or security (other than this Agreement) which prohibits the creation, incurrence or sufferance to exist of any Lien.

Investment Company Act. The Borrower is not an "investment company" or a Borrower "controlled" by an "investment company", within the meaning of the Investment Company Act of 1940, as amended.

Compliance with Laws. The Borrower and its Subsidiaries have all franchises, licenses and permits necessary for the conduct of their respective businesses, and are in compliance with all laws, rules, regulations, orders, writs, judgments, injunctions, decrees or awards to which it may be subject, including (i) all provisions of ERISA, which, if violated, might result in a Lien or charge upon any property of the Borrower or any Subsidiary, and (ii) all material provisions of the Occupational Safety and Health Act of 1970 and the rules and regulations thereunder and applicable statutes, regulations, orders and restrictions relating to environmental standards or controls, except to the extent that failure to maintain or comply with any of the foregoing, singly and in the aggregate, could not reasonably be expected to have a Material Adverse Effect.

COVENANTS

During the term of this Agreement, unless the Required Lenders shall otherwise consent in writing:

Information. The Borrower will furnish to each Lender:

As soon as reasonably practicable and in any event within 120 days after the close of each of its fiscal years, financial statements of the Borrower for such fiscal year on a consolidated and consolidating basis (consolidating statements need not be certified by such accountants) for itself and its Subsidiaries, including balance sheets as of the end of such period, statements of income and statements of retained earnings, and statements of cash flows, and, as to the consolidated statements, prepared in accordance with generally accepted accounting principles (except as expressly set forth therein) and accompanied by an unqualified (as to going concern or the scope of the audit) opinion of independent certified public accountants of recognized standing, which opinion shall state that such audit was conducted in accordance with generally accepted auditing standards and said financial statements fairly present the financial condition and results of operation of the Borrower as at the end of, and for, such fiscal year and a certificate of said accountants that, in the course of their examination necessary for their opinion, they have obtained no knowledge of any Default or Unmatured Default relating to accounting matters, or if, in the opinion of such accountants, any such Default or Unmatured Default shall exist, said certificate shall state the nature and status thereof; provided that delivery pursuant to subsection (e) below of copies of the Annual Report on Form 10-K of the Borrower for such fiscal year filed with the Securities and Exchange Commission (together with copies of the financial statements required to be included therein) shall be deemed to satisfy the requirement of this subsection (a) to deliver consolidated financial statements (but not the requirement to deliver consolidating statements or the accountants' certificate as to the presence or absence of any Default or Unmatured Default).

As soon as reasonably practicable and in any event within 60 days after the close of each of the first three quarterly accounting periods of each of its fiscal years, for itself and its Subsidiaries, consolidated and consolidating unaudited balance sheets as at the close of each such period and consolidated and consolidating statements of income and statements of retained earnings and statements of cash flows for the period from the beginning of such fiscal year to the end of such quarter; provided that delivery pursuant to subsection (e) below of copies of the Quarterly Report on Form 10-Q of the Borrower for such quarterly period filed with the Securities and Exchange Commission shall be deemed to satisfy the requirements of this subsection (b) to deliver consolidated financial statements (but not the requirement to deliver the certificate of the Borrower's chief financial officer or chief accounting officer with respect thereto).

Simultaneously with the delivery of each set of financial statements referred to in Sections 6.1(a) and 6.1(b), a certificate of the chief financial officer or the chief accounting officer of the Borrower in the form of Exhibit G (i) setting forth in reasonable detail the calculations required to establish whether the Borrower was in compliance with the requirements of Section 6.4 on the date of such financial statements, (ii) stating whether there exists on the date of such certificate any Default and or Unmatured Default and, if any Default or Unmatured Default then exists, setting forth the details thereof and the action which the Borrower is taking or proposes to take with respect thereto, and (iii) stating that such financial statements fairly reflect in all material respects the financial conditions and results of operations of the Borrower and its Subsidiaries as of the date of the delivery of such financial statements and for the period covered thereby.

As soon as possible and in any event within 10 Business Days after the Borrower has Knowledge that any of the events or conditions specified below has occurred or exists with respect to any Plan or Multiemployer Plan, a statement, signed by the chief financial officer or chief accounting officer of the Borrower, describing said event or condition and the action which the Borrower or applicable member of the Controlled Group proposes to take with respect thereto (and a copy of any report or notice required to be filed with or given to the PBGC by the Borrower or applicable member of the Controlled Group with respect to such event or condition):

the occurrence of any Reportable Event with respect to any Plan, or any waiver shall be requested under Section 412(d) of the Code for any Plan,

the distribution under Section 4041(c) of ERISA of a notice of intent to terminate any Plan, or any action taken by the Borrower or any member of the Controlled Group to terminate any Plan under Section 4041(c) of ERISA,

the institution by PBGC of proceedings under Section 4042 of ERISA for the termination of, or the appointment of a trustee to administer, any Plan, or the receipt by the Borrower or any member of the Controlled Group of a notice from any Multiemployer Plan that such action has been taken by PBGC with respect to such Multiemployer Plan,

the complete or partial withdrawal from a Multiemployer Plan by the Borrower or any member of the Controlled Group that could reasonably be expected to result in liability of the Borrower or such member under Section 4201 or 4204 of ERISA (including the obligation to satisfy secondary liability as a result of a purchaser default) having a Material Adverse Effect, or the receipt by the Borrower or any member of the Controlled Group of notice from a Multiemployer Plan that it is in reorganization or insolvency pursuant to Section 4241 or 4245 of ERISA or that it intends to terminate or has terminated under Section 4041A of ERISA,

the institution of a proceeding by a fiduciary of any Multiemployer Plan against the Borrower or any member of the Controlled Group to enforce Section 515 of ERISA, which proceeding is not dismissed within 30 days, or

the adoption of an amendment to any Plan that, pursuant to Section 401(a)(29) of the Code or Section 307 of ERISA, would result in the loss of tax-exempt status of the trust of which such Plan is a part if the Borrower or any member of the Controlled Group fails to timely provide security to the Plan in accordance with the provisions of said Sections.

Promptly upon the filing thereof, copies of all registration statements and annual, quarterly, monthly or other regular reports which the Borrower or any of its Subsidiaries files with the Securities and Exchange Commission.

Promptly upon the furnishing thereof to all shareholders of the Borrower generally, copies of all financial statements, reports and proxy statements so furnished.

Promptly upon receipt thereof, one copy of each written audit report submitted to the Borrower or any Subsidiary by independent accountants resulting from (i) any annual or interim audit submitted after the occurrence and during the continuance of a Default or Unmatured Default and (ii) any special audit submitted at any time, in each case, made by them of the books of the Borrower or any Subsidiary.

As soon as available and in any event not later than April 30 of each calendar year, an engineering and economic analysis of the producing properties of the Borrower and its Subsidiaries prepared by an independent firm of consulting petroleum engineers and in form, substance and detail consistent with past practice.

Promptly and in any event within five Business Days after an Authorized Officer obtains knowledge thereof, notice of the occurrence of a Default or Unmatured Default, together with the details of such event and the actions, if any, the Borrower has taken or intends to take with respect thereto.

Such other information (including nonfinancial information) as the Administrative Agent or any Lender may from time to time reasonably request.

Affirmative Covenants. The Borrower will, and will cause each Subsidiary, to:

Reports and Inspection. Keep proper books and records in good order in accordance with sound business practice and prepare its financial statements in accordance with Agreement Accounting Principles and permit the Administrative Agent or any Lender, at its own expense, by its representatives and agents, to inspect any of the properties, books and financial records of the Borrower and each Subsidiary, to examine and make copies of the books of accounts and other financial records of the Borrower and each Subsidiary, and to discuss the affairs, finances and accounts of the Borrower and each Subsidiary with, and to be advised as to the same by, their respective officers at such reasonable times and intervals during regular business hours as the Administrative Agent or such Lender may designate, provided that such inquiry shall be limited to the purpose of evaluating the Borrower's financial condition or compliance with this Agreement.

Conduct of Business. Carry on and conduct its principal business of exploration for, and production, transportation, distribution, refinement, processing, storage, marketing and gathering of oil and other hydrocarbons and petroleum, and natural, synthetic or other gas in substantially the same manner and in substantially the same fields of enterprise as it is presently conducted; and do all things necessary to remain duly organized, validly existing and in good standing as a domestic corporation or limited liability company in its jurisdiction of organization (unless the existence or ownership by the Borrower of any Subsidiary shall be discontinued as a result of a merger, consolidation or sale of assets as permitted by Section 6.3.1) and maintain all requisite authority to conduct its business in each jurisdiction in which the failure to have such authority could reasonably be expected to have a Material Adverse Effect.

Insurance. Maintain insurance with reputable insurance companies or associations in such forms and amounts and covering such risks as are customary for companies of established reputation and similar size engaged in similar businesses and owning and operating similar properties; provided that it is agreed that, as of the date of this Agreement, the insurance coverage of the Borrower and its Subsidiaries set forth on Schedule 6.2 satisfies the requirements of this Section 6.2.3.

Taxes. Promptly pay and discharge all material taxes, assessments and governmental charges or levies imposed upon the Borrower or any Subsidiary (but in the case of a Subsidiary, only to the extent that such Subsidiary's assets shall be sufficient for the purpose), respectively, or upon or in respect of all or any part of the property and business of the Borrower or any Subsidiary, and all due and payable claims for work, labor or materials, which if unpaid might become a Lien upon any property of the Borrower or any Subsidiary (other than claims against any such Subsidiary in a proceeding under any bankruptcy or similar law), provided that the Borrower or such Subsidiary shall not be required to pay any such tax, assessment, charge, levy or claim if the validity thereof shall concurrently be contested in good faith by appropriate proceedings and if the Borrower or such Subsidiary shall set aside on its or their books reserves deemed by it or them to be required with respect thereto in accordance with generally accepted accounting principles.

Compliance with Laws. Maintain all franchises, licenses and permits necessary for the conduct of its businesses, and comply with all laws, rules, regulations, orders, writs, judgments, injunctions, decrees or awards to which it may be subject, including (i) all provisions of ERISA, which, if violated, might result in a Lien or charge upon any property of the Borrower or any Subsidiary, and (ii) all material provisions of the Occupational Safety and Health Act of 1970 and the rules and regulations thereunder and applicable statutes, regulations, orders and restrictions relating to environmental standards or controls, except to the extent that failure to maintain or comply with any of the foregoing, singly and in the aggregate, could not reasonably be expected to have a Material Adverse Effect.

Maintenance of Properties. Do all things necessary to maintain, preserve, protect and keep its material properties (whether owned in fee or a leasehold interest) in good repair, working order and condition, and make all proper repairs, renewals and replacements so that its business carried on in connection therewith may be properly conducted at all times; provided that, subject to Section 6.3.1 and all other terms of this Agreement, nothing in this Section 6.2.6 shall prevent the Borrower or any of its Subsidiaries from discontinuing the operation and maintenance of any of its properties (x) if such discontinuance is, in the judgment of the Borrower or such Subsidiary, desirable in the conduct of its business or (y) if such discontinuance or disposal could not reasonably be expected to have a Material Adverse Effect.

Additional Guarantors. On the date on which any Subsidiary which is not an original signatory to the Subsidiary Guaranty delivers to the Administrative Agent a counterpart of the Subsidiary Guaranty, cause such Subsidiary to deliver such supporting documents (including documents of the types described in clauses (i), (ii), (iii) and (vi) of Section 4.1(b)) as the Administrative Agent or any Lender may reasonably request in support thereof.

Negative Covenants. The Borrower will not, nor (where applicable) will it permit any Subsidiary to:

Merger and Sale of Assets. Merge or consolidate with or into any other Person or lease, sell or otherwise dispose of all, or substantially all, of its property, assets (other than inventory, physical assets sold in the ordinary course of business or obsolete, worn out or excess property) or business to any other Person except that:

the Borrower may merge or consolidate with or sell all of its assets to any other solvent corporation, provided that (i) the surviving, continuing or resulting corporation (if not the Borrower) shall (x) expressly assume by a written instrument reasonably satisfactory to the Administrative Agent and the Lenders (which shall be provided with an opportunity to review and comment upon it prior to the consummation of any transaction) the due and punctual payment of the principal of all Obligations and the due performance and observance of all covenants, conditions and agreements on the part of the Borrower under this Agreement, (y) deliver to the Administrative Agent and the Lenders an opinion of counsel, in form and substance reasonably satisfactory to the Administrative Agent and the Lenders, to the effect that such written instrument has been duly authorized, executed and delivered by such surviving, continuing or resulting corporation and constitutes a legal, valid and binding instrument enforceable against such surviving, continuing or resulting corporation in accordance with its terms, and to such further effects as the Administrative Agent and the Lenders may reasonably request, and (z) have an investment grade rating from ▇▇▇▇▇'▇ Investors Service, Inc. and Standard & Poor's Rating Group, (ii) the surviving, continuing or resulting corporation shall be a corporation organized and existing under the laws of the United States of America or any State thereof or the District of Columbia, and (iii) immediately after such merger, consolidation or sale, no Default or Unmatured Default would exist;

any Subsidiary may merge into the Borrower or another Subsidiary which is a Wholly-Owned Subsidiary, and may sell, lease or otherwise dispose of any of its assets to the Borrower or another Subsidiary which is a Wholly-Owned Subsidiary;

any Subsidiary may merge or consolidate with any entity other than the Borrower or another Subsidiary, provided that (i) the surviving, continuing or resulting entity shall be a Subsidiary, and (ii) immediately after such merger or consolidation, no Default or Unmatured Default would exist; and

the Borrower may sell, lease or otherwise dispose of all or any part of its assets to any Person, and any Subsidiary may sell, lease or otherwise dispose of all or any part of its assets to any Person other than the Borrower or another Subsidiary, in each case for a consideration which represents the fair value at the time of such sale or other disposition, provided that immediately after such sale, lease or other disposition, no Default or Unmatured Default would exist; and provided, further, that neither the Borrower nor any Subsidiary shall sell, lease or otherwise dispose of any asset if, after giving effect to such transaction, the aggregate fair market value of all assets sold, leased or otherwise disposed of by the Borrower and its Subsidiaries in any fiscal year of the Borrower would exceed 10% of the Borrower's consolidated assets as of the beginning of such fiscal year.

Without limiting clause (4) above, the Borrower will not permit AWG to (x) cease to be a Subsidiary of the Borrower; or (y) sell all or any Substantial Portion (as defined below) of its assets. For purposes of the foregoing, "Substantial Portion" means, with respect to AWG, assets which (i) represent more than 20% of the consolidated tangible assets of AWG and its Subsidiaries as at the beginning of the fiscal year in which any determination is to be made or (ii) are responsible for more than 20% of the consolidated net earnings of AWG and its Subsidiaries for the fiscal year preceding the fiscal year in which any determination is to be made.

Liens. Create, incur, assume or suffer to exist any Lien on (a) any Productive Property, (b) any Principal Transmission Facility or (c) any shares of stock of any Subsidiary, except:

Liens for taxes, assessments or governmental charges or levies on its property if the same shall not at the time be delinquent or thereafter can be paid without penalty or, provided the Borrower or any Subsidiary knew or should have known of such Liens, are being actively contested in good faith and by appropriate proceedings and for which adequate reserves shall have been set aside on its books in accordance with Agreement Accounting Principles,

Liens imposed by law, such as carriers', warehousemen's, operators', royalty, surface damages and mechanics' liens and other similar liens arising in the ordinary course of business which secure payment of obligations not more than 60 days past due or which are being contested in good faith by appropriate proceedings and for which adequate reserves shall have been set aside on its books in accordance with Agreement Accounting Principles,

Liens incurred in the ordinary course of business (a) arising out of pledges or deposits under workmen's compensation laws, unemployment insurance, old age pensions, or other social security or retirement benefits, or similar legislation, (b) to secure the performance of letters of credit, bids, tenders, sales contracts, leases (including rent security deposits), statutory obligations, surety, appeal and performance bonds, joint operating agreements or other similar agreements and other similar obligations not incurred in connection with the borrowing of money, the obtaining of advances or the payment of the deferred purchase price of property or (c) consisting of deposits which secure public or statutory obligations of the Borrower or any Subsidiary, or surety, custom or appeal bonds to which the Borrower or any Subsidiary is a party, or the payment of contested taxes or import duties of the Borrower or any Subsidiary,

utility easements, building restrictions and such other encumbrances or charges against real property as are of a nature generally existing with respect to properties of a similar character and which do not in any material way affect the marketability of the same or interfere with the use thereof in the business of the Borrower or the Subsidiaries,

Liens on drilling equipment and facilities in order to secure the financing for the construction of such equipment and facilities not constructed as of the date hereof, provided that such financing is permitted pursuant to Section 6.4,

attachment, judgment and other similar Liens arising in connection with court proceedings; provided the execution or other enforcement of such Liens is effectively stayed or the claims secured thereby are being actively contested in good faith and by appropriate proceedings; and provided, further, the Borrower or any Subsidiary knew or should have known of such Liens,

Liens on property of a Subsidiary, provided such Liens secure only obligations owing to the Borrower or a Wholly-Owned Subsidiary,

purchase money mortgages or other mortgages or other Liens on assets of the Borrower or any Subsidiary securing Indebtedness hereafter incurred by the Borrower or such Subsidiary for the acquisition of such assets, provided no such mortgage or other Lien shall extend to any other property (unless such mortgage or Lien is permitted under another clause of this Section 6.3.2) and the amount thereby secured shall not exceed the purchase price of such asset plus interest, if any, accrued thereon and shall be permitted pursuant to Section 6.4,

Liens on property hereafter acquired (including shares of stock hereafter acquired of any Person (including any Person in which the Borrower or any Subsidiary already owns an interest)) existing at the time of acquisition and liens assumed by the Borrower or a Subsidiary as a result of a merger of another entity into the Borrower or a Subsidiary or the acquisition by the Borrower or a Subsidiary of the assets and liabilities of another entity, provided that in each case such Liens shall not have been created in anticipation of such transaction,

any right which any municipal or governmental body or agency may have by virtue of any franchise, license, contract or statute to purchase, or designate a purchaser of or order the sale of, any property of the Borrower or any Subsidiary upon payment of reasonable compensation therefor or to terminate any franchise, license or other rights or to regulate the property and business of the Borrower or any Subsidiary,

easements or reservations in respect of any property of the Borrower or any Subsidiary for the purpose of rights-of-way and similar purposes, reservations, restrictions, covenants, party wall agreements, conditions of record and other encumbrances (other than to secure the payment of money) and minor irregularities or deficiencies in the record and evidence of title, which in the reasonable opinion of the Borrower (at the time of the acquisition of the property affected or subsequently) will not interfere in any material way with the proper operation and development of the property affected thereby,

Liens existing on the date hereof and set forth on Schedule 5.19,

Liens on property to secure all or any part of the cost of construction, alteration or repair of any building, equipment or other improvement on all or any part of such property, including any pipeline, or to secure any Indebtedness incurred prior to, at the time of, or within 360 days after, the completion of such construction, alteration or repair to provide funds for the payment of all or any part of such cost,

rights of lessors under oil, gas or mineral leases arising in the ordinary course of business,

any extension, renewal or replacement (or successive extensions, renewals or replacements), in whole or in part, of any Lien referred to in the foregoing clauses; provided that the principal amount of Indebtedness secured thereby shall not exceed the principal amount of Indebtedness so secured at the time of such extension, renewal or replacement and such extension, renewal or replacement Lien shall be limited to all or a part of the property which secured the Lien so extended, renewed or replaced (plus improvements on such property),

Liens which may hereafter be attached to undeveloped real estate not containing oil or gas reserves presently owned by the Borrower in the ordinary course of the Borrower's real estate sales, development and rental activities,

Liens not otherwise permitted by the foregoing clauses of this Section 6.3.2 securing Indebtedness in an aggregate principal amount which, at the time of incurrence, does not exceed 5% of Stockholders' Equity as of the end of the most recently completed fiscal quarter of the Borrower as shown on the consolidated balance sheet related thereto, and

Liens not otherwise permitted by the foregoing clauses of this Section 6.3.2 in an aggregate principal amount in excess of 5% of Stockholders' Equity; provided that at the time such Lien is created, the Obligations will be secured pari passu with the obligations such Lien is securing pursuant to documentation in form and substance satisfactory to the Administrative Agent and the Lenders (drafts of which documentation shall be furnished to the Administrative Agent and the Lenders sufficiently in advance to provide the Administrative Agent and the Lenders with an opportunity to review and comment upon it prior to the granting of any such Lien).

Subsidiary Guarantors. Permit more than 10% of the consolidated assets of the Borrower and its Subsidiaries (excluding AWG) to be owned by, or more than 10% of the consolidated earnings of the Borrower and its Subsidiaries (excluding AWG) for the most recent period of four consecutive fiscal quarters (beginning with the period ending September 30, 2003) to be earned by, Subsidiaries (other than AWG) which are not Guarantors. For the avoidance of doubt, AWG shall not be required to be a Guarantor.

Investments. Make, incur, assume or suffer to exist any Investment in any other Person, except (without duplication) the following:

Cash Equivalent Investments;

Investments existing on the date of this Agreement;

in the ordinary course of business, Investments by the Borrower in any Subsidiary or by any Subsidiary in the Borrower or any other Subsidiary;

bank deposits in the ordinary course of business;

Investments in Persons involved in oil and gas exploration and production and related businesses in the ordinary course of business consistent with past practice; and

other Investments in an aggregate amount not at any time exceeding $5,000,000.

Indebtedness of Subsidiaries. Permit the aggregate outstanding principal amount of all Indebtedness of:

AWG and its Subsidiaries (excluding (i) Indebtedness outstanding on the date hereof and renewals, extensions and refinancings thereof so long as the principal amount thereof is not increased and (ii) Indebtedness to the Borrower or another Wholly-Owned Subsidiary) to exceed $20,000,000; or

all other Subsidiaries (excluding (i) Indebtedness outstanding on the date hereof and renewals, extensions and refinancings thereof so long as the principal amount thereof is not increased, (ii) Indebtedness to the Borrower or another Wholly-Owned Subsidiary and (iii) Indebtedness under the Subsidiary Guaranty) to exceed $50,000,000.

Financial Covenants. The Borrower will not:

Debt to Capitalization Ratio. Permit the Debt to Capitalization Ratio at any time to exceed 0.60 to 1.0.

Interest Coverage Ratio. Permit the Interest Coverage Ratio as of the last day of any fiscal quarter of the Borrower to be less than 3.5 to 1.0.

Net Worth. Permit Stockholder's Equity at any time to be less than the sum of (a) $250,000,000 plus (b) 50% of consolidated net income of the Borrower and its Subsidiaries for each fiscal year of the Borrower (and, if applicable, the completed portion of the then-current fiscal year for which the Borrower has delivered financial statements pursuant to Section 6.1(b)) ending after the date of this Agreement, without giving effect to any loss in any such fiscal year (or, if applicable, the completed portion of the then-current fiscal year), excluding, in the case of the Borrower's 2003 fiscal year, the first three fiscal quarters of such year, plus (c) 75% of the net proceeds of any Equity Issuance after the date of this Agreement.

DEFAULTS

Events of Default. The occurrence and continuance of any one or more of the following events shall constitute a Default:

Representations and Warranties. Any representation or warranty made or deemed made by or on behalf of the Borrower to the Administrative Agent or any Lender in this Agreement or in any certificate or instrument delivered in connection herewith shall be materially false as of the date on which made.

Payment Default. Nonpayment of any principal, Reimbursement Obligation, interest, fee or other obligation hereunder within five days after the same becomes due.

Breach of Certain Covenants. The breach by the Borrower of (i) any of the terms or provisions of Section 6.1(i), 6.3.1 or 6.4 or (ii) any term or provision of Section 6.3.2 that is not remedied within ten days after written notice from the Administrative Agent.

Other Breach of this Agreement. The breach by the Borrower (other than a breach which constitutes a Default under Section 7.1.1, 7.1.2 or 7.1.3) of any term or provision of this Agreement which is not remedied within 30 days after written notice from the Administrative Agent.

ERISA. An event or condition specified in Section 6.1(d) shall occur or exist with respect to any Plan or any Multiemployer Plan and, as a result or such event or condition, together with all other such events or conditions then outstanding, the Borrower or any member or the Controlled Group shall incur, or shall be reasonably likely to incur, a liability to any Plan, any Multiemployer Plan or the PBGC (or any combination of the foregoing) that would have a Material Adverse Effect.

Cross-Default. Failure of the Borrower or any Significant Subsidiary to pay any Indebtedness when due (after giving effect to any period of grace set forth in any agreement under which such Indebtedness was created or is governed); or the default by the Borrower or any Significant Subsidiary in the performance of any other term, provision or condition contained in any agreement under which any of their respective Indebtedness was created or is governed, the effect of which is to cause, or to permit the holder or holders of such Indebtedness to cause, such Indebtedness to become due prior to its stated maturity; or any Indebtedness of the Borrower or any Significant Subsidiary shall become due and payable or be required to be prepaid (other than by a regularly scheduled payment) prior to the stated maturity thereof; provided that, in each case, the principal amount of Indebtedness as to which such a payment default shall occur and be continuing, or such a failure to perform or other event causing or permitting acceleration shall occur and be continuing, exceeds $10,000,000.

Voluntary Bankruptcy, etc. The Borrower, or any Significant Subsidiary or a Material Group of Subsidiaries shall (i) not pay, or admit in writing its inability to pay, its debts generally as they become due, (ii) make an assignment for the benefit of creditors, (iii) apply for, seek, consent to, or acquiesce in, the appointment of a receiver, custodian, trustee, examiner, liquidator or similar official for the Borrower, such Significant Subsidiary or such Material Group of Subsidiaries, (iv) institute any proceeding seeking an order for relief under the Federal bankruptcy laws as now or hereafter in effect or seeking to adjudicate it a bankrupt or insolvent, or seeking dissolution, winding up, liquidation, reorganization, arrangement, adjustment or composition of it or its debts under any law relating to bankruptcy, insolvency or reorganization or relief of debtors or (v) take any action to authorize or effect any of the foregoing actions set forth in this Section 7.1.7.

Involuntary Bankruptcy, etc. Without the application, approval or consent of the Borrower, the applicable Significant Subsidiary or the applicable Material Group of Subsidiaries, a receiver, trustee, examiner, liquidator or similar official shall be appointed for the Borrower, any Significant Subsidiary or such Material Group of Subsidiaries, or a proceeding described in Section 7.1.7(iv) shall be instituted against the Borrower, any Significant Subsidiary or such Material Group of Subsidiaries and such appointment continues undischarged or such proceeding continues undismissed or unstayed for a period of 60 consecutive days.

Judgments. The Borrower or any Significant Subsidiary shall fail within 30 days to pay, bond or otherwise discharge any final judgment or order for the payment of money in excess of $5,000,000, which is not stayed on appeal or otherwise being appropriately contested in good faith.

Environmental Matters. The Borrower, any Significant Subsidiary or any Material Group of Subsidiaries shall suffer any adverse determination pertaining to the release by the Borrower, any Significant Subsidiary or any other Person of any toxic or hazardous waste or substance into the environment, or any violation of any federal, state or local environmental, health or safety law or regulation, which, in either case, could reasonably be expected to have a Material Adverse Effect.

Subsidiary Guaranty. The Subsidiary Guaranty shall fail to remain in full force or effect or any action shall be taken to discontinue or to assert the invalidity or unenforceability of the Subsidiary Guaranty, or any Guarantor shall deny that it has any further liability under the Subsidiary Guaranty or shall give notice to such effect (excluding any Guarantor which ceases to be a Subsidiary as a result of a transaction permitted by this Agreement).

ACCELERATION, WAIVERS, AMENDMENTS AND REMEDIES;
RELEASES OF GUARANTORS

Acceleration. If any Default described in Section 7.1.6 or 7.1.7 occurs with respect to the Borrower, the obligations of the Lenders to make Loans hereunder and the obligation and power of the Issuer to issue Letters of Credit shall automatically terminate, the Obligations shall immediately become due and payable without any election or action on the part of the Administrative Agent or any Lender and the Borrower will become immediately obligated, without any further notice, act or demand, to pay to the Administrative Agent an amount in immediately available funds, which funds shall be held in the LC Collateral Account, equal to the excess of the amount of LC Obligations at such time over the amount on deposit in the LC Collateral Account at such time which is free and clear of all rights and claims of third parties and has not been applied against the Obligations (such difference, the "Collateral Shortfall Amount"). If any other Default occurs, the Required Lenders (or the Administrative Agent with the consent of the Required Lenders) may (x) terminate or suspend the obligations of the Lenders to make Loans hereunder and the obligation and power of the Issuer to issue Letters of Credit, or declare the Obligations to be due and payable, or both, whereupon the Obligations shall become immediately due and payable, without presentment, demand, protest or notice of any kind, all of which the Borrower hereby expressly waives, and (y) upon notice to the Borrower and in addition to the continuing right to demand payment of all amounts payable under this Agreement, make demand on the Borrower to pay, and the Borrower will, forthwith upon such demand and without any further notice or act, pay to the Administrative Agent in immediately available funds the Collateral Shortfall Amount, which funds shall be deposited in the LC Collateral Account.

If, within 30 days after acceleration of the maturity of the Obligations or termination of the obligations of the Lenders to make Loans hereunder as a result of any Default (other than any Default as described in Section 7.1.6 or 7.1.7 with respect to the Borrower) and before any judgment or decree for the payment of the Obligations due shall have been obtained or entered, the Required Lenders (in their sole discretion) shall so direct, the Administrative Agent shall, by notice to the Borrower, rescind and annul such acceleration and/or termination.

Amendments. Subject to the provisions of this Article VIII, the Required Lenders (or the Administrative Agent with the consent in writing of the Required Lenders) and the Borrower may enter into agreements supplemental hereto for the purpose of adding to or modifying any provision in any Loan Document or changing in any manner the rights of the Lenders or the Borrower hereunder or waiving any Default hereunder; provided that no such supplemental agreement shall, without the consent of all of the Lenders:

Extend the final maturity of any Loan or Reimbursement Obligation or forgive all or any portion of the principal amount thereof, or reduce the rate or extend the time of payment of interest or fees thereon or extend the expiry date of any Letter of Credit to a date after the scheduled Termination Date.

Reduce the percentage specified in the definition of Required Lenders.

Extend the Termination Date or increase the amount of the Aggregate Commitment or of the Commitment of any Lender hereunder, or permit the Borrower to assign its rights under this Agreement.

Amend the last paragraph of Section 6.3.1 or this Section 8.2.

Release any Guarantor from its obligations under the Subsidiary Guaranty (except as provided in Section 8.4).

No amendment of any provision of this Agreement relating to the Administrative Agent shall be effective without the written consent of the Administrative Agent. No amendment of any provision of this Agreement relating to the Issuer shall be effective without the written consent of the Issuer. The Administrative Agent may waive payment of the fee required under Section 12.3.2 without obtaining the consent of any other party to this Agreement.

Preservation of Rights. No delay or omission of the Lenders or the Administrative Agent to exercise any right under the Loan Documents shall impair such right or be construed to be a waiver of any Default or an acquiescence therein, and the making of a Credit Extension notwithstanding the existence of a Default or the inability of the Borrower to satisfy the conditions precedent to such Credit Extension shall not constitute any waiver or acquiescence. Any single or partial exercise of any such right shall not preclude other or further exercise thereof or the exercise of any other right, and no waiver, amendment or other variation of the terms, conditions or provisions of the Loan Documents whatsoever shall be valid unless in writing signed by the Lenders required pursuant to Section 8.2, and then only to the extent in such writing specifically set forth. All remedies contained in the Loan Documents or by law afforded shall be cumulative and all shall be available to the Administrative Agent and the Lenders until the Obligations have been paid in full.

Releases of Guarantors. The Lenders hereby authorize the Administrative Agent to, and the Administrative Agent agrees that it will, release any Guarantor from its obligations under the Subsidiary Guaranty so long as (a) no Default or Unmatured Default exists or will result therefrom and (b) either (i) such Guarantor ceases to be a Subsidiary as a result of a transaction permitted hereunder or (ii) the Borrower requests such release in writing and, after giving effect thereto, the Borrower will be in compliance with Section 6.3.3. In determining whether any such release is permitted, the Administrative Agent may rely on a certificate from the Borrower. The Administrative Agent shall promptly notify the Lenders of any such release.

GENERAL PROVISIONS

Survival of Representations. All representations and warranties of the Borrower contained in this Agreement shall survive the making of the Credit Extensions.

Governmental Regulation. Anything contained in this Agreement to the contrary notwithstanding, no Lender shall be obligated to extend credit to the Borrower in violation of any limitation or prohibition provided by any applicable statute or regulation.

Headings. Section headings in the Loan Documents are for convenience of reference only, and shall not govern the interpretation of any of the provisions of the Loan Documents.

Entire Agreement. The Loan Documents embody the entire agreement and understanding among the Borrower, the Administrative Agent and the Lenders and supersede all prior agreements and understandings among the Borrower, the Administrative Agent and the Lenders relating to the subject matter thereof.

Several Obligations; Benefits of this Agreement. The respective obligations of the Lenders hereunder are several and not joint and no Lender shall be the partner or agent of any other (except to the extent to which the Administrative Agent is authorized to act as such). The failure of any Lender to perform any of its obligations hereunder shall not relieve any other Lender from any of its obligations hereunder. This Agreement shall not be construed so as to confer any right or benefit upon any Person other than the parties to this Agreement and their respective successors and assigns, provided that the parties hereto expressly agree that the Arranger shall enjoy the benefits of the provisions of Sections 9.6, 9.10 and 10.11 to the extent specifically set forth therein and shall have the right to enforce such provisions on its own behalf and in its own name to the same extent as if it were a party to this Agreement.

Expenses; Indemnification. The Borrower shall reimburse the Administrative Agent and the Arranger for all reasonable costs, internal charges and out-of-pocket expenses (including, subject to any limit on fees which is separately agreed to, reasonable attorneys' fees and reasonable time charges of attorneys for the Administrative Agent, which attorneys may be employees of the Administrative Agent) paid or incurred by the Administrative Agent or the Arranger in connection with the preparation, negotiation, execution, delivery, syndication, review, amendment, modification, and administration of the Loan Documents. The Borrower also agrees to reimburse the Administrative Agent, the Arranger and the Lenders for all reasonable costs, internal charges and out-of-pocket expenses (including reasonable attorneys' fees and reasonable time charges of attorneys for the Administrative Agent, the Arranger and the Lenders, which attorneys may be employees of the Administrative Agent, the Arranger or any Lender) paid or incurred by the Administrative Agent, the Arranger or any Lender in connection with the collection and enforcement of the Loan Documents.

The Borrower hereby further agrees to indemnify the Administrative Agent, the Arranger, each Lender, their respective affiliates, and each of their directors, officers and employees against all losses, claims, damages, penalties, judgments, liabilities and reasonable expenses (including all reasonable expenses of litigation or preparation therefor whether or not the Administrative Agent, the Arranger, any Lender or any affiliate is a party thereto) which any of them may pay or incur arising out of or relating to this Agreement, the other Loan Documents, the transactions contemplated hereby or the direct or indirect application or proposed application of the proceeds of any Loan hereunder except to the extent that they are determined in a final non-appealable judgment by a court of competent jurisdiction to have resulted from the gross negligence or willful misconduct of the party seeking indemnification. The obligations of the Borrower under this Section 9.6 shall survive the termination of this Agreement.

Numbers of Documents. All statements, notices, closing documents, and requests hereunder shall be furnished to the Administrative Agent with sufficient counterparts so that the Administrative Agent may furnish one to each of the Lenders.

Accounting. Except as provided to the contrary herein, all accounting terms used herein shall be interpreted and all accounting determinations hereunder shall be made in accordance with Agreement Accounting Principles.

Severability of Provisions. Any provision in any Loan Document that is held to be inoperative, unenforceable, or invalid in any jurisdiction shall, as to that jurisdiction, be inoperative, unenforceable, or invalid without affecting the remaining provisions in that jurisdiction or the operation, enforceability, or validity of that provision in any other jurisdiction, and to this end the provisions of all Loan Documents are declared to be severable.

Nonliability of Lenders. The relationship between the Borrower on the one hand and the Lenders and the Administrative Agent on the other hand shall be solely that of borrower and lender. None of the Administrative Agent, the Arranger or any Lender shall have any fiduciary responsibilities to the Borrower. None of the Administrative Agent, the Arranger or any Lender undertakes any responsibility to the Borrower to review or inform the Borrower of any matter in connection with any phase of the Borrower's business or operations. The Borrower agrees that, except as otherwise expressly provided in this Agreement, none of the Administrative Agent, the Arranger or any Lender shall have liability to the Borrower (whether sounding in tort, contract or otherwise) for losses suffered by the Borrower in connection with, arising out of, or in any way related to, the transactions contemplated and the relationship established by the Loan Documents, or any act, omission or event occurring in connection therewith, unless it is determined in a final non-appealable judgment by a court of competent jurisdiction that such losses resulted from the gross negligence or willful misconduct of the party from which recovery is sought. None of the Administrative Agent, the Arranger or any Lender shall have any liability with respect to, and the Borrower hereby waives, releases and agrees not to ▇▇▇ for, any special, indirect or consequential damages suffered by the Borrower in connection with, arising out of, or in any way related to the Loan Documents or the transactions contemplated thereby.

Confidentiality. Each Lender agrees to hold any confidential information which it may receive from the Borrower pursuant to this Agreement in confidence, except for disclosure (i) to the extent permitted by law or regulation, to its Affiliates and to other Lenders and their respective Affiliates, (ii) to legal counsel, accountants, and other professional advisors to such Lender or to a Transferee, (iii) to regulatory officials, (iv) to any Person as required by law, regulation, or legal process, (v) to any Person in connection with any legal proceeding to which such Lender is a party to the extent required by law, regulation or legal process, (vi) permitted by Section 12.4, (vii) to rating agencies if required by such agencies in connection with a rating relating to the Advances hereunder, and (viii) to the extent required in connection with the exercise of any remedy or any enforcement of this Agreement by such Lender or the Administrative Agent.

Notwithstanding clause (a) above or any other provision of this Agreement, each party hereto agrees that all parties hereto (and their respective Affiliates and the employees, officers, directors, representatives, advisors and agents of such parties and such Affiliates) are permitted to disclose to any and all Persons, without limitation of any kind, the tax treatment (as defined in Treasury Regulation Section 1.6011-4) and the tax structure (as defined in Treasury Regulation Section 1.6011-4) of the credit facility established by this Agreement (the "Facility"), and all materials of any kind (including opinions or other tax analyses) that are provided to any Borrower, any Lender, the Issuer or the Administrative Agent related to such tax structure and tax structure; provided that no party shall disclose the names of the other parties hereto or information that would permit the identification of such other parties or any pricing terms or other nonpublic business or financial information that is unrelated to such tax treatment and tax structure. In this regard, each party hereto acknowledges and agrees that the disclosure of the tax treatment and tax structure of the Facility is not limited in any way by an express or implied understanding or agreement, oral or written (whether or not such understanding or agreement is legally binding). Further, each of party hereto acknowledges and agrees that it does not know or have reason to know that its use or disclosure of information relating to the tax treatment or tax structure of the Facility is limited in any other manner (such as where the Facility is claimed to be proprietary or exclusive) for the benefit of any other Person.

Nonreliance. Each Lender hereby represents that it is not relying on or looking to any Margin Stock for the repayment of the Loans provided for herein.

Disclosure. The Borrower and each Lender hereby (i) acknowledge and agree that Bank One and/or its Affiliates from time to time may hold investments in, make other loans to or have other relationships with the Borrower and its Affiliates, and (ii) waive any liability of Bank One or such Affiliate of Bank One to the Borrower or any Lender, respectively, arising out of or resulting from such investments, loans or relationships other than liabilities arising out of the gross negligence or willful misconduct of Bank One or its Affiliates.

THE ADMINISTRATIVE AGENT

Appointment; Nature of Relationship. Bank One is hereby appointed by each of the Lenders as the Administrative Agent hereunder and under each other Loan Document, and each of the Lenders irrevocably authorizes the Administrative Agent to act as the contractual representative of such Lender with the rights and duties expressly set forth herein and in the other Loan Documents. The Administrative Agent agrees to act as Administrative Agent upon the express conditions contained in this Article X. Notwithstanding the use of the defined term "Administrative Agent," it is expressly understood and agreed that the Administrative Agent shall not have any fiduciary responsibilities to any Lender by reason of this Agreement or any other Loan Document and that Administrative Agent is merely acting as the contractual representative of the Lenders with only those duties as are expressly set forth in this Agreement and the other Loan Documents. In its capacity as the Administrative Agent, (i) the Administrative Agent does not assume any fiduciary duties to any of the Lenders, (ii) the Administrative Agent is a "representative" of the Lenders within the meaning of Section 9-105 of the Uniform Commercial Code and (iii) the Administrative Agent is acting as an independent contractor, the rights and duties of which are limited to those expressly set forth in this Agreement and the other Loan Documents. Each of the Lenders hereby agrees to assert no claim against the Administrative Agent on any agency theory or any other theory of liability for breach of fiduciary duty, all of which claims each Lender hereby waives.

Powers. The Administrative Agent shall have and may exercise such powers under the Loan Documents as are specifically delegated to the Administrative Agent by the terms of each thereof, together with such powers as are reasonably incidental thereto. The Administrative Agent shall not have any implied duties to the Lenders, or any obligation to the Lenders to take any action thereunder except any action specifically provided by the Loan Documents to be taken by the Administrative Agent.

General Immunity. Neither the Administrative Agent nor any of the Administrative Agent's directors, officers, agents or employees shall be liable to the Borrower, the Lenders or any Lender for any action taken or omitted to be taken by it or them hereunder or under any other Loan Document or in connection herewith or therewith except to the extent such action or inaction is determined in a final non-appealable judgment by a court of competent jurisdiction to have arisen from the gross negligence or willful misconduct of such Person.

No Responsibility for Loans, Recitals, etc. Neither the Administrative Agent nor any of the Administrative Agent's directors, officers, agents or employees shall be responsible for or have any duty to ascertain, inquire into, or verify (a) any statement, warranty or representation made in connection with any Loan Document or any borrowing hereunder; (b) the performance or observance of any of the covenants or agreements of any obligor under any Loan Document, including any agreement by an obligor to furnish information directly to each Lender; (c) the satisfaction of any condition specified in Article IV, except for the receipt of items required to be delivered solely to Administrative Agent; (d) the existence or possible existence of any Default or Unmatured Default; (e) the validity, enforceability, effectiveness, sufficiency or genuineness of any Loan Document or any other instrument or writing furnished in connection therewith; or (f) the financial condition of the Borrower or of any of the Borrower's Subsidiaries. The Administrative Agent shall not have any duty to disclose to the Lenders information that is not required to be furnished by the Borrower to the Administrative Agent at such time, but is voluntarily furnished by the Borrower to the Administrative Agent (either in its capacity as the Administrative Agent or in its individual capacity).

Action on Instructions of Lenders. The Administrative Agent shall in all cases be fully protected in acting, or in refraining from acting, hereunder and under any other Loan Document in accordance with written instructions signed by the Required Lenders (or, when expressly required hereunder, all of the Lenders), and such instructions and any action taken or failure to act pursuant thereto shall be binding on all of the Lenders. The Lenders hereby acknowledge that the Administrative Agent shall not be under any duty to take any discretionary action permitted to be taken by it pursuant to the provisions of this Agreement or any other Loan Document unless it shall be requested in writing to do so by the Required Lenders. Each Administrative Agent shall be fully justified in failing or refusing to take any action hereunder and under any other Loan Document unless it shall first be indemnified to its satisfaction by the Lenders (ratably in accordance with their respective Pro Rata Shares) against any and all liability, cost and expense that it may incur by reason of taking or continuing to take any such action. The Administrative Agent agrees, upon the request of any Lender at any time an Unmatured Default exists, to give a written notice to the Borrower of the type described in Section 7.1.3 or 7.1.4.

Employment of Agents and Counsel. The Administrative Agent may execute any of its duties as Administrative Agent hereunder and under any other Loan Document by or through employees, agents, and attorneys-in-fact and shall not be answerable to the Lenders, except as to money or securities received by it or its authorized agents, for the default or misconduct of any such agents or attorneys-in-fact selected by it with reasonable care. The Administrative Agent shall be entitled to advice of counsel concerning the contractual arrangement between the Administrative Agent and the Lenders and all matters pertaining to the Administrative Agent's duties hereunder and under any other Loan Document.

Reliance on Documents; Counsel. The Administrative Agent shall be entitled to rely upon any Note, notice, consent, certificate, affidavit, letter, telegram, statement, paper or document believed by it to be genuine and correct and to have been signed or sent by the proper person or persons, and, in respect to legal matters, upon the opinion of counsel selected by the Administrative Agent, which counsel may be employees of the Administrative Agent.

Administrative Agent's Reimbursement and Indemnification. The Lenders agree to reimburse and indemnify the Administrative Agent, ratably in accordance with their respective Pro Rata Shares, (i) for any amounts not reimbursed by the Borrower for which the Administrative Agent is entitled to reimbursement by the Borrower under the Loan Documents, (ii) for any other expenses incurred by the Administrative Agent on behalf of the Lenders, in connection with the preparation, execution, delivery, administration and enforcement of the Loan Documents (including for any expenses incurred by the Administrative Agent in connection with any dispute between the Administrative Agent and any Lender or between two or more of the Lenders) and (iii) for any liabilities, obligations, losses, damages, penalties, actions, judgments, suits, costs, expenses or disbursements of any kind and nature whatsoever which may be imposed on, incurred by or asserted against the Administrative Agent in any way relating to or arising out of the Loan Documents or any other document delivered in connection therewith or the transactions contemplated thereby (including for any such amounts incurred by or asserted against the Administrative Agent in connection with any dispute between the Administrative Agent and any Lender or between two or more of the Lenders), or the enforcement of any of the terms of the Loan Documents or of any such other documents, provided that (i) no Lender shall be liable to the Administrative Agent for any of the foregoing to the extent any of the foregoing is found in a final non-appealable judgment by a court of competent jurisdiction to have resulted from the gross negligence or willful misconduct of the Administrative Agent and (ii) any indemnification required pursuant to Section 3.5(vii) shall, notwithstanding the provisions of this Section 10.8, be paid by the relevant Lender in accordance with the provisions thereof. The obligations of the Lenders under this Section 10.8 shall survive payment of the Obligations and termination of this Agreement.

Notice of Default. The Administrative Agent shall be deemed to have knowledge or notice of the occurrence of any Default or Unmatured Default hereunder unless the Administrative Agent has received written notice from a Lender or the Borrower referring to this Agreement describing such Default or Unmatured Default and stating that such notice is a "notice of default". In the event that the Administrative Agent receives such a notice, the Administrative Agent shall give prompt notice thereof to the Lenders.

Rights as a Lender. In the event the Administrative Agent is a Lender, the Administrative Agent shall have the same rights and powers hereunder and under any other Loan Document with respect to its Commitment and its Loans as any Lender and may exercise the same as though it were not the Administrative Agent, and the term "Lender" or "Lenders" shall, at any time when the Administrative Agent is a Lender, unless the context otherwise indicates, include the Administrative Agent in its individual capacity. The Administrative Agent and its Affiliates may accept deposits from, lend money to, and generally engage in any kind of trust, debt, equity or other transaction, in addition to those contemplated by this Agreement or any other Loan Document, with the Borrower or any of its Subsidiaries in which the Borrower or such Subsidiary is not restricted hereby from engaging with any other Person. The Administrative Agent, in its individual capacity, is not obligated to remain a Lender.

Lender Credit Decision. Each Lender acknowledges that it has, independently and without reliance upon the Administrative Agent, the Arranger or any other Lender and based on the financial statements prepared by the Borrower and such other documents and information as it has deemed appropriate, made its own credit analysis and decision to enter into this Agreement and the other Loan Documents. Each Lender also acknowledges that it will, independently and without reliance upon the Administrative Agent, the Arranger or any other Lender and based on such documents and information as it shall deem appropriate at the time, continue to make its own credit decisions in taking or not taking action under this Agreement and the other Loan Documents.

Successor Administrative Agent. The Administrative Agent may resign at any time by giving written notice thereof to the Lenders and the Borrower, such resignation to be effective upon the appointment of a successor Administrative Agent, or, if no successor Administrative Agent has been appointed, forty-five days after the retiring Administrative Agent gives notice of its intention to resign. The Administrative Agent may be removed at any time with or without cause by written notice received by the Administrative Agent from the Required Lenders, such removal to be effective on the date specified by the Required Lenders; provided that the Administrative Agent may not be removed unless the Administrative Agent (in its individual capacity) and any affiliate thereof acting as Issuer is relieved of all of its duties as Issuer pursuant to documentation reasonably satisfactory to such Person on or prior to the date of such removal. Upon any resignation or removal of the Administrative Agent, the Required Lenders shall have the right (with, so long as no Default or Unmatured Default exists, the consent of the Borrower, which shall not be unreasonably withheld) to appoint, on behalf of the Borrower and the Lenders, a successor Administrative Agent. If no successor Administrative Agent shall have been so appointed by the Required Lenders within thirty days after the resigning Administrative Agent's giving notice of its intention to resign, then the resigning Administrative Agent may appoint, on behalf of the Borrower and the Lenders, a successor Administrative Agent. Notwithstanding the previous sentence, the Administrative Agent may at any time without the consent of any Lender and with the consent of the Borrower, not to be unreasonably withheld or delayed, appoint any of its Affiliates which is a commercial bank as a successor Administrative Agent hereunder. If the Administrative Agent has resigned or been removed and no successor Administrative Agent has been appointed, the Lenders may perform all the duties of the Administrative Agent hereunder and the Borrower shall make all payments in respect of the Obligations to the applicable Lender and for all other purposes shall deal directly with the Lenders. No successor Administrative Agent shall be deemed to be appointed hereunder until such Administrative Agent has accepted the appointment. Any such successor Administrative Agent shall be a commercial bank having capital and retained earnings of at least $100,000,000. Upon the acceptance of any appointment as Administrative Agent hereunder by a successor Administrative Agent, such successor Administrative Agent shall thereupon succeed to and become vested with all the rights, powers, privileges and duties of the resigning or removed Administrative Agent. Upon the effectiveness of the resignation or removal of the Administrative Agent, the resigning or removed Administrative Agent shall be discharged from its duties and obligations hereunder and under the Loan Documents. After the effectiveness of the resignation or removal of the Administrative Agent, the provisions of this Article X shall continue in effect for the benefit of the such Person in respect of any actions taken or omitted to be taken by such Person while such Person was acting as Administrative Agent hereunder and under the other Loan Documents. In the event that there is a successor to the Administrative Agent by merger, or the Administrative Agent assigns its duties and obligations to an Affiliate pursuant to this Section 10.12, then the term "Prime Rate" as used in this Agreement shall mean the prime rate, base rate or other analogous rate of the new Administrative Agent.

Delegation to Affiliates. The Borrower and the Lenders agree that the Administrative Agent may delegate any of its duties under this Agreement to any of its respective Affiliates. Any such Affiliate (and such Affiliate's directors, officers, agents and employees) which performs duties in connection with this Agreement shall be entitled to the same benefits of the indemnification, waiver and other protective provisions to which the Administrative Agent is entitled under Articles IX and X.

Other Agents. No Lender identified on the cover page or the signature pages of this Agreement or otherwise herein, or in any amendment hereof or other document related hereto, as being the "Syndication Agent", "Co-Documentation Agent" or "Senior Managing Agent" shall have any right, power, obligation, liability, responsibility or duty under this Agreement in such capacity other than those applicable to all Lenders. Each Lender acknowledges that it has not relied, and will not rely, on any Person so identified in deciding to enter into this Agreement or in taking or refraining from taking any action hereunder or pursuant hereto.

SETOFF; RATABLE PAYMENTS

Setoff. In addition to, and without limitation of, any rights of the Lenders under applicable law, if the Borrower becomes insolvent, however evidenced, or any Default occurs, any and all deposits (including all account balances, whether provisional or final and whether or not collected or available) and any other Indebtedness at any time held or owing by any Lender or any Affiliate of any Lender to or for the credit or account of the Borrower may be offset and applied toward the payment of the Obligations owing to such Lender, whether or not the Obligations, or any part thereof, shall then be due.

Ratable Payments. If any Lender, whether by setoff or otherwise, has payment made to it upon its Loans or its participation in Letters of Credit (other than payments received pursuant to Section 3.1, 3.2, 3.4 or 3.5) in a greater proportion than that received by any other Lender, such Lender agrees, promptly upon demand, to purchase a portion of the Loans (or participations in Letters of Credit) held by the other Lenders so that after such purchase each Lender will hold its Pro Rata Share of all Loans (and participations in Letters of Credit). If any Lender, whether in connection with setoff or amounts which might be subject to setoff or otherwise, receives collateral or other protection for its Obligations or such amounts which may be subject to setoff, such Lender agrees, promptly upon demand, to take such action necessary such that all Lenders share in the benefits of such collateral ratably in proportion to their respective Pro Rata Shares. In case any such payment is disturbed by legal process, or otherwise, appropriate further adjustments shall be made.

BENEFIT OF AGREEMENT; ASSIGNMENTS; PARTICIPATIONS

Successors and Assigns. The terms and provisions of the Loan Documents shall be binding upon and inure to the benefit of the Borrower and the Lenders and their respective successors and assigns, except that (i) the Borrower shall not have the right to assign its rights or obligations under the Loan Documents and (ii) any assignment by any Lender must be made in compliance with Section 12.3. The parties to this Agreement acknowledge that clause (ii) of the foregoing sentence relates only to absolute assignments and does not prohibit assignments creating security interests, including any pledge or assignment by any Lender of all or any portion of its rights under this Agreement and any Note to a Federal Reserve Bank; provided that no such pledge or assignment creating a security interest shall release the transferor Lender from its obligations hereunder unless and until the parties thereto have complied with the provisions of Section 12.3. The Administrative Agent may treat the Person which made any Loan or which holds any Note as the owner thereof for all purposes hereof unless and until such Person complies with Section 12.3; provided that the Administrative Agent may in its discretion (but shall not be required to) follow instructions from the Person which made any Loan or which holds any Note to direct payments relating to such Loan or Note to another Person. Any assignee of the rights to any Loan or any Note agrees by acceptance of such assignment to be bound by all the terms and provisions of the Loan Documents. Any request, authority or consent of any Person, who at the time of making such request or giving such authority or consent is the owner of the rights to any Loan (whether or not a Note has been issued in evidence thereof), shall be conclusive and binding on any subsequent holder or assignee of the rights to such Loan.

Participations.

Permitted Participants; Effect. Any Lender may, in the ordinary course of its business and in accordance with applicable law, at any time sell to one or more banks or other entities ("Participants") participating interests in any Loan owing to such Lender, any Note held by such Lender, any Commitment of such Lender or any other interest of such Lender under the Loan Documents. In the event of any such sale by a Lender of participating interests to a Participant, such Lender's obligations under the Loan Documents shall remain unchanged, such Lender shall remain solely responsible to the other parties hereto for the performance of such obligations, such Lender shall remain the owner of its Loans and the holder of any Note issued to it in evidence thereof for all purposes under the Loan Documents, all amounts payable by the Borrower under this Agreement (including under Article III) shall be determined as if such Lender had not sold such participating interests, and the Borrower and the Administrative Agent shall continue to deal solely and directly with such Lender in connection with such Lender's rights and obligations under the Loan Documents.

Voting Rights. Each Lender shall retain the sole right to approve, without the consent of any Participant, any amendment, modification or waiver of any provision of the Loan Documents other than any amendment, modification or waiver with respect to any Credit Extension or Commitment in which such Participant has an interest which forgives principal, interest or fees or reduces the interest rate or fees payable with respect to any such Credit Extension or Commitment, extends the Termination Date, postpones any date fixed for any regularly scheduled payment of principal of, or interest or fees on, any such Credit Extension or Commitment or releases any Guarantor from its obligations under the Subsidiary Guaranty (except as provided in Section 8.4).

Assignments.

Permitted Assignments. Any Lender may, in the ordinary course of its business and in accordance with applicable law, at any time assign to one or more banks or other entities ("Purchasers") all or any part of its rights and obligations under the Loan Documents. Such assignment shall be substantially in the form of Exhibit C or in such other form as may be agreed to by the parties thereto. The consents of the Borrower and the Administrative Agent (which consents shall not be unreasonably withheld or delayed by any such party) shall be required prior to an assignment becoming effective with respect to a Purchaser which is not a Lender or an Affiliate thereof; provided that if a Default has occurred and is continuing, the consent of the Borrower shall not be required; provided, further, that no assignment shall be permitted if, as of the date thereof, any event or circumstance exists which would result in the Borrower being obligated to pay any greater amount hereunder to the Purchaser than the Borrower is obligated to pay to the assigning Lender. Each such assignment with respect to a Purchaser which is not a Lender or an Affiliate thereof shall (unless each of the Borrower and the Administrative Agent otherwise consents) be in an amount not less than the lesser of (i) $5,000,000 or (ii) the remaining amount of the assigning Lender's Commitment (calculated as at the date of such assignment) or outstanding Loans and participations in Letters of Credit (if the Commitments has been terminated).

Effect; Effective Date. Upon (i) delivery to the Administrative Agent of an assignment, together with any consents required by Section 12.3.1, and (ii) payment of a $4,000 fee to the Administrative Agent for processing such assignment (unless such fee is waived by the Administrative Agent), such assignment shall become effective on the effective date specified in such assignment. The assignment shall contain a representation by the Purchaser to the effect that none of the consideration used to make the purchase of the Commitment and Loans under the applicable assignment agreement constitutes "plan assets" as defined under ERISA and that the rights and interests of the Purchaser in and under the Loan Documents will not be "plan assets" under ERISA. On and after the effective date of such assignment, such Purchaser shall for all purposes be a Lender party to this Agreement and any other Loan Document executed by or on behalf of the Lenders and shall have all the rights and obligations of a Lender under the Loan Documents, to the same extent as if it were an original party hereto, and no further consent or action by the Borrower, the Lenders or the Administrative Agent shall be required to release the transferor Lender with respect to the percentage of the Aggregate Commitment and Loans assigned to such Purchaser. Upon the consummation of any assignment to a Purchaser pursuant to this Section 12.3.2, the transferor Lender, the Administrative Agent and the Borrower shall, if the transferor Lender or the Purchaser desires that its Loans be evidenced by Notes, make appropriate arrangements so that new Notes or, as appropriate, replacement Notes are issued to such transferor Lender and new Notes or, as appropriate, replacement Notes, are issued to such Purchaser, in each case in principal amounts reflecting their respective Commitments, as adjusted pursuant to such assignment.

Dissemination of Information. The Borrower authorizes each Lender to disclose to any Participant or Purchaser or any other Person acquiring an interest in the Loan Documents by operation of law (each a "Transferee") and any prospective Transferee any and all information in such Lender's possession concerning the creditworthiness of the Borrower and its Subsidiaries, including any information contained in any Reports; provided that each Transferee and prospective Transferee agrees to be bound by Section 9.11 of this Agreement.

Tax Treatment. If any interest in any Loan Document is transferred to any Transferee which is organized under the laws of any jurisdiction other than the United States or any State thereof, the transferor Lender shall cause such Transferee, concurrently with the effectiveness of such transfer, to comply with the provisions of Section 3.5(iv) and the Borrower shall not be required to indemnify such Transferee pursuant to Section 3.5 hereof for any Taxes withheld as a result of the failure of the Transferee to so comply.

NOTICES

Except as otherwise permitted by Section 2.14 with respect to borrowing notices, all notices, requests and other communications to any party hereunder shall be in writing (including electronic transmission, facsimile transmission or similar writing) and shall be given to such party: (x) in the case of the Borrower or the Administrative Agent, at its address or facsimile number set forth on the signature pages hereof, (y) in the case of any Lender, at its address or facsimile number set forth in its Administrative Questionnaire or in the assignment agreement pursuant to which it became a Lender or (z) in the case of any party, at such other address or facsimile number as such party may hereafter specify for the purpose by notice to the Administrative Agent and the Borrower in accordance with the provisions of this Section 13.1. Each such notice, request or other communication shall be effective (i) if given by facsimile transmission, when transmitted to the facsimile number specified in this Section 13.1 and confirmation of receipt is received, or (ii) if given by any other means, when delivered (or, in the case of electronic transmission, received) at the address specified in this Section 13.1; provided that notices to the Administrative Agent under Article II shall not be effective until received.

COUNTERPARTS

This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one agreement, and any of the parties hereto may execute this Agreement by signing any such counterpart. This Agreement shall be effective when it has been executed by the Borrower, the Administrative Agent and the Lenders and each party has notified the Administrative Agent by facsimile transmission or telephone that it has taken such action.

CHOICE OF LAW; CONSENT TO JURISDICTION;
WAIVER OF JURY TRIAL; MAXIMUM INTEREST RATE

CHOICE OF LAW. THE LOAN DOCUMENTS (OTHER THAN THOSE CONTAINING A CONTRARY EXPRESS CHOICE OF LAW PROVISION) SHALL BE CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS (INCLUDING 735 ILCS SECTION 105/5-1 ET SEQ, BUT OTHERWISE WITHOUT REGARD TO THE CONFLICT OF LAWS PROVISIONS) OF THE STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS APPLICABLE TO NATIONAL BANKS.

CONSENT TO JURISDICTION. THE BORROWER HEREBY IRREVOCABLY SUBMITS TO THE NON-EXCLUSIVE JURISDICTION OF ANY UNITED STATES FEDERAL OR ILLINOIS STATE COURT SITTING IN CHICAGO, ILLINOIS IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO ANY LOAN DOCUMENTS AND THE BORROWER HEREBY IRREVOCABLY AGREES THAT ALL CLAIMS IN RESPECT OF SUCH ACTION OR PROCEEDING MAY BE HEARD AND DETERMINED IN ANY SUCH COURT AND IRREVOCABLY WAIVES ANY OBJECTION IT MAY NOW OR HEREAFTER HAVE AS TO THE VENUE OF ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN SUCH A COURT OR THAT SUCH COURT IS AN INCONVENIENT FORUM. NOTHING HEREIN SHALL LIMIT THE RIGHT OF THE ADMINISTRATIVE AGENT OR ANY LENDER TO BRING PROCEEDINGS AGAINST THE BORROWER IN THE COURTS OF ANY OTHER JURISDICTION. ANY JUDICIAL PROCEEDING BY THE BORROWER AGAINST THE ADMINISTRATIVE AGENT OR ANY LENDER OR ANY AFFILIATE OF THE ADMINISTRATIVE AGENT OR ANY LENDER INVOLVING, DIRECTLY OR INDIRECTLY, ANY MATTER IN ANY WAY ARISING OUT OF, RELATED TO, OR CONNECTED WITH ANY LOAN DOCUMENT SHALL BE BROUGHT ONLY IN A COURT IN CHICAGO, ILLINOIS.

WAIVER OF JURY TRIAL. THE BORROWER, THE ADMINISTRATIVE AGENT AND EACH LENDER HEREBY WAIVE TRIAL BY JURY IN ANY JUDICIAL PROCEEDING INVOLVING, DIRECTLY OR INDIRECTLY, ANY MATTER (WHETHER SOUNDING IN TORT, CONTRACT OR OTHERWISE) IN ANY WAY ARISING OUT OF, RELATED TO, OR CONNECTED WITH ANY LOAN DOCUMENT OR THE RELATIONSHIP ESTABLISHED THEREUNDER.

Maximum Interest Rate. No provision of the Loan Documents shall require the payment or permit the collection of interest in excess of the maximum permitted by applicable law ("Maximum Rate"). If any interest in excess of the Maximum Rate is provided for or shall be adjudicated to be provided for in the Notes or otherwise in connection with this Agreement, the provisions of this Section 15.4 shall govern and prevail and neither the Borrower nor the sureties, guarantors, successors or assigns of the Borrower shall be obligated to pay the excess amount of the interest or any other excess sum paid for the use, forbearance, or detention of sums loaned. In the event the Administrative Agent or any Lender ever receives, collects or applies as interest any amount in excess of the Maximum Rate, the amount by which such amount exceeds the Maximum Rate shall be applied as a payment and reduction of the principal of indebtedness evidenced by the Loans, and, if the principal amount of the Loans has been paid in full, any remaining excess shall forthwith be paid to the Borrower.

TERMINATION OF EXISTING AGREEMENT

The Borrower, the Lenders which are parties to the Existing Agreement (and which constitute "Required Lenders" under and as defined in the Existing Agreement) and Bank One, as administrative agent under the Existing Agreement, agree that when the conditions precedent set forth in Section 4.1 have been satisfied (and without regard to any provision of the Existing Agreement which requires prior notice of the termination of the "Aggregate Commitment" under and as defined therein), the Commitments under the Existing Agreement shall terminate and the Existing Agreement shall be of no further force or effect (except for any provision thereof which by its terms survives termination thereof), all without any other action by any Person.

IN WITNESS WHEREOF, the Borrower, the Lenders, the Administrative Agent and the Syndication Agent have executed this Agreement as of the date first above written.

SOUTHWESTERN ENERGY COMPANY

By:

Executive Vice President and
Chief Financial Officer

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BANK ONE, NA, as Administrative Agent and as a Lender

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Royal Bank of Canada, as Syndication Agent and as a Lender

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Royal Bank of Canada

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Fleet National Bank, as Co-Documentation Agent and as a Lender

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Fleet National Bank

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SunTrust Bank, as Co-Documentation Agent and as a Lender

By:

Title:

SunTrust Bank

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MC 1929

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Washington Mutual Bank, FA, as Senior Managing Agent and as a Lender

By:

Title:

Washington Mutual Bank, FA

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▇▇▇▇▇ Fargo Bank, NA

By:

Title:

▇▇▇▇▇ Fargo Bank, NA

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ARVEST BANK

By:

Title:

Arvest Bank

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COMPASS BANK

By:

Title:

Compass Bank

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HIBERNIA NATIONAL BANK

By:

Title:

Bank of Arkansas N.A.

By:

Title:

Bank of Arkansas N.A.

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EXHIBIT A
FORM OF BORROWING NOTICE

Reference is made to the Credit Agreement dated as of January 2 2004 (as from time to time amended, the "Agreement") among Southwestern Energy Company, an Arkansas corporation (the "Borrower"), various financial institutions, and Bank One, NA, as Administrative Agent (the "Administrative Agent"). Capitalized terms used but not defined herein have the respective meanings given to such terms in the Agreement.

Pursuant to the Agreement, the Borrower hereby requests that an Advance in the amount of $_________ to be made on ____________, ____.

The Borrower requests that the Advance to be made hereunder shall be [a Floating Rate Advance] [a Eurodollar Advance] [and shall have an Interest Period of _______________.]

The Borrower certifies that:

(a) The representations and warranties of the Borrower set forth in Article V of the Agreement are true and correct on and as of the date hereof, with the same effect as though such representations and warranties had been made on and as of the date hereof or, if such representations and warranties are expressly limited to particular dates, as of such particular dates.

(b) No Default or Unmatured Default exists or will result from the Borrower's receipt and application of the proceeds of the Advance requested hereby.

IN WITNESS WHEREOF, this instrument is executed as of _________, ____.

SOUTHWESTERN ENERGY COMPANY

By:________________________________

Name:______________________________

Title:_______________________________

EXHIBIT B
FORM OF OPINION

January 2, 2004

The Administrative Agent and the Lenders who are parties to the
Credit Agreement described below.

Gentlemen/Ladies:

I am counsel for Southwestern Energy Company (the "Borrower"), and have represented the Borrower and the Subsidiaries of the Borrower listed on Schedule 1 (the "Guarantors") in connection with its execution and delivery of a Credit Agreement dated as of January 2, 2004 (the "Agreement") among the Borrower, the Lenders named therein, and Bank One, NA, as Administrative Agent, and providing for Advances and Letters of Credit in an aggregate principal amount not exceeding $___________ at any one time outstanding. All capitalized terms used in this opinion and not otherwise defined herein shall have the meanings attributed to them in the Agreement.

I have examined the Borrower's and each Guarantor's **[describe constitutive documents of Borrower and Guarantors and appropriate evidence of authority to enter into the transaction]**, the Loan Documents and such other matters of fact and law which we deem necessary in order to render this opinion. Based upon the foregoing, it is our opinion that:

l. Each of the Borrower and its Subsidiaries is a corporation, partnership or limited liability company duly and properly incorporated or organized, as the case may be, validly existing and (to the extent such concept applies to such entity) in good standing under the laws of its jurisdiction of incorporation or organization and has all requisite authority to conduct its business in each jurisdiction in which its business is conducted.

2. The execution and delivery by the Borrower and each Guarantor of the Loan Documents to which it is a party and the performance by the Borrower and each Guarantor of its obligations thereunder have been duly authorized by proper corporate or limited liability company proceedings on the part of the Borrower and each Guarantor and will not:

(a) require any consent of the Borrower's or any Guarantor's shareholders or members (other than any such consent as has already been given and remains in full force and effect);

(b) violate (i) any law, rule, regulation, order, writ, judgment, injunction, decree or award binding on the Borrower or any of its Subsidiaries or (ii) the Borrower's or any Subsidiary's articles or certificate of incorporation, articles or certificate of organization, bylaws, or operating or other management agreement, as the case may be, or (iii) the provisions of any indenture, instrument or agreement to which the Borrower or any of its Subsidiaries is a party or is subject, or by which it, or its Property, is bound, or conflict with or constitute a default thereunder; or

(c) result in, or require, the creation or imposition of any Lien in, of or on the Property of the Borrower or a Subsidiary pursuant to the terms of any indenture, instrument or agreement binding upon the Borrower or any of its Subsidiaries.

3. The Loan Documents to which the Borrower or any Guarantor is a party have been duly executed and delivered by the Borrower or such Guarantor, as the case may be, and constitute legal, valid and binding obligations of the Borrower enforceable against the Borrower or such Guarantor, as the case may be, in accordance with their terms except to the extent the enforcement thereof may be limited by bankruptcy, insolvency or similar laws affecting the enforcement of creditors' rights generally and subject also to the availability of equitable remedies if equitable remedies are sought.

4. Except for the litigation disclosed in Borrower's Form 10-K for the year ended December 31, 2002 and updated in the Borrower's most recent Form 10-Q, there is no litigation, arbitration, governmental investigation, proceeding or inquiry pending or, to the best of our knowledge after due inquiry, threatened against the Borrower or any of its Subsidiaries which, if adversely determined, could reasonably be expected to have a Material Adverse Effect.

5. No order, consent, adjudication, approval, license, authorization, or validation of, or filing, recording or registration with, or exemption by, or other action in respect of any governmental or public body or authority, or any subdivision thereof, which has not been obtained by the Borrower or any of its Subsidiaries, is required to be obtained by the Borrower or any of its Subsidiaries in connection with the execution and delivery of the Loan Documents, the borrowings under the Agreement, the payment and performance by the Borrower of the Obligations, or the legality, validity, binding effect or enforceability of any of the Loan Documents.

This opinion may be relied upon by the Administrative Agent, the Lenders and their participants, assignees and other transferees.

Very truly yours,

EXHIBIT C
ASSIGNMENT AGREEMENT

This Assignment Agreement (this "Assignment Agreement") between (the "Assignor") and (the "Assignee") is dated as of , 20___. The parties hereto agree as follows:

1. PRELIMINARY STATEMENT. The Assignor is a party to a Credit Agreement (which, as it may be amended, modified, renewed or extended from time to time is herein called the "Credit Agreement") described in Item 1 of Schedule 1 attached hereto ("Schedule 1"). Capitalized terms used herein and not otherwise defined herein shall have the meanings attributed to them in the Credit Agreement.

2. ASSIGNMENT AND ASSUMPTION. The Assignor hereby sells and assigns to the Assignee, and the Assignee hereby purchases and assumes from the Assignor, an interest in and to the Assignor's rights and obligations under the Credit Agreement and the other Loan Documents, such that after giving effect to such assignment the Assignee shall have purchased pursuant to this Assignment Agreement the percentage interest specified in Item 3 of Schedule 1 of all outstanding rights and obligations under the Credit Agreement and the other Loan Documents relating to the facilities listed in Item 3 of Schedule 1. The aggregate Commitment (or Loans, if the Commitments have been terminated) purchased by the Assignee hereunder is set forth in Item 4 of Schedule 1.

3. EFFECTIVE DATE. The effective date of this Assignment Agreement (the "Effective Date") shall be the later of the date specified in Item 5 of Schedule 1 or two Business Days (or such shorter period agreed to by the Administrative Agent) after this Assignment Agreement, together with any consents required under the Credit Agreement, are delivered to the Administrative Agent. In no event will the Effective Date occur if the payments required to be made by the Assignee to the Assignor on the Effective Date are not made on the proposed Effective Date.

4. PAYMENT OBLIGATIONS. In consideration for the sale and assignment of Loans hereunder, the Assignee shall pay the Assignor, on the Effective Date, the amount agreed to by the Assignor and the Assignee. On and after the Effective Date, the Assignee shall be entitled to receive from the Administrative Agent all payments of principal, interest and fees with respect to the interest assigned hereby. The Assignee will promptly remit to the Assignor any interest on Loans and fees received from the Administrative Agent which relate to the portion of the Commitment or Loans assigned to the Assignee hereunder for periods prior to the Effective Date and not previously paid by the Assignee to the Assignor. In the event that either party hereto receives any payment to which the other party hereto is entitled under this Assignment Agreement, then the party receiving such amount shall promptly remit it to the other party hereto.

5. RECORDATION FEE. The Assignor and Assignee each agree to pay one-half of the recordation fee required to be paid to the Administrative Agent in connection with this Assignment Agreement unless otherwise specified in Item 6 of Schedule 1.

6. REPRESENTATIONS OF THE ASSIGNOR; LIMITATIONS ON THE ASSIGNOR'S LIABILITY. The Assignor represents and warrants that (i) it is the legal and beneficial owner of the interest being assigned by it hereunder, (ii) such interest is free and clear of any adverse claim created by the Assignor and (iii) the execution and delivery of this Assignment Agreement by the Assignor is duly authorized. It is understood and agreed that the assignment and assumption hereunder are made without recourse to the Assignor and that the Assignor makes no other representation or warranty of any kind to the Assignee. Neither the Assignor nor any of its officers, directors, employees, agents or attorneys shall be responsible for (i) the due execution, legality, validity, enforceability, genuineness, sufficiency or collectability of any Loan Document, including documents granting the Assignor and the other Lenders a security interest in assets of the Borrower or any guarantor, (ii) any representation, warranty or statement made in or in connection with any of the Loan Documents, (iii) the financial condition or creditworthiness of the Borrower or any guarantor, (iv) the performance of or compliance with any of the terms or provisions of any of the Loan Documents, (v) inspecting any of the property, books or records of the Borrower, (vi) the validity, enforceability, perfection, priority, condition, value or sufficiency of any collateral securing or purporting to secure the Loans or (vii) any mistake, error of judgment, or action taken or omitted to be taken in connection with the Loans or the Loan Documents.

7. REPRESENTATIONS AND UNDERTAKINGS OF THE ASSIGNEE. The Assignee (i) confirms that it has received a copy of the Credit Agreement, together with copies of the financial statements requested by the Assignee and such other documents and information as it has deemed appropriate to make its own credit analysis and decision to enter into this Assignment Agreement, (ii) agrees that it will, independently and without reliance upon the Administrative Agent, the Assignor or any other Lender and based on such documents and information at it shall deem appropriate at the time, continue to make its own credit decisions in taking or not taking action under the Loan Documents, (iii) appoints and authorizes the Administrative Agent to take such action as agent on its behalf and to exercise such powers under the Loan Documents as are delegated to the Administrative Agent by the terms thereof, together with such powers as are reasonably incidental thereto, (iv) confirms that the execution and delivery of this Assignment Agreement by the Assignee is duly authorized, (v) agrees that it will perform in accordance with their terms all of the obligations which by the terms of the Loan Documents are required to be performed by it as a Lender, (vi) agrees that its payment instructions and notice instructions are as set forth in the attachment to Schedule 1, (vii) confirms that none of the funds, monies, assets or other consideration being used to make the purchase and assumption hereunder are "plan assets" as defined under ERISA and that its rights, benefits and interests in and under the Loan Documents will not be "plan assets" under ERISA, (viii) agrees to indemnify and hold the Assignor harmless against all losses, costs and expenses (including reasonable attorneys' fees) and liabilities incurred by the Assignor in connection with or arising in any manner from the Assignee's nonperformance of the obligations assumed under this Assignment Agreement, and (ix) if applicable, attaches the forms prescribed by the Internal Revenue Service of the United States certifying that the Assignee is entitled to receive payments under the Loan Documents without deduction or withholding of any United States federal income taxes.

8. GOVERNING LAW. This Assignment Agreement shall be governed by the internal law, and not the law of conflicts, of the State of Illinois.

9. NOTICES. Notices shall be given under this Assignment Agreement in the manner set forth in the Credit Agreement. For the purpose hereof, the addresses of the parties hereto (until notice of a change is delivered) shall be the address set forth in the attachment to Schedule 1.

10. COUNTERPARTS; DELIVERY BY FACSIMILE. This Assignment Agreement may be executed in counterparts. Transmission by facsimile of an executed counterpart of this Assignment Agreement shall be deemed to constitute due and sufficient delivery of such counterpart and such facsimile shall be deemed to be an original counterpart of this Assignment Agreement.

IN WITNESS WHEREOF, the duly authorized officers of the parties hereto have executed this Assignment Agreement by executing Schedule 1 hereto as of the date first above written.

EXHIBIT D
LOAN/CREDIT RELATED MONEY TRANSFER INSTRUCTION

To Bank One, NA,
as Administrative Agent (the "Administrative Agent")
under the Credit Agreement
Described Below.

Re: Credit Agreement, dated as of January 2, 2004 (as the same may be amended or modified, the "Credit Agreement"), among Southwestern Energy Company (the "Borrower"), the Lenders named therein and the Administrative Agent. Capitalized terms used herein and not otherwise defined herein shall have the meanings assigned thereto in the Credit Agreement.

The Administrative Agent is specifically authorized and directed to act upon the following standing money transfer instructions with respect to the proceeds of Advances or other extensions of credit from time to time until receipt by the Administrative Agent of a specific written revocation of such instructions by the Borrower, provided that the Administrative Agent may otherwise transfer funds as hereafter directed in writing by the Borrower in accordance with Section 13.1 of the Credit Agreement or based on any telephonic notice made in accordance with Section 2.14 of the Credit Agreement.

Facility Identification Number(s)

Customer/Account Name: Southwestern Energy Company

Transfer Funds To

For Account No.

Reference/Attention To

Authorized Officer (Customer Representative) Date

(Please Print) Signature

Bank Officer Name Date

(Please Print) Signature

(Deliver Completed Form to Credit Support Staff For Immediate Processing)

EXHIBIT E
NOTE

[Date]

Southwestern Energy Company, an Arkansas corporation (the "Borrower"), promises to pay to the order of ____________________________________ (the "Lender") the aggregate unpaid principal amount of all Loans made by the Lender to the Borrower pursuant to Article II of the Agreement (as hereinafter defined), in immediately available funds at the main office of Bank One, NA in Chicago, Illinois, as Administrative Agent, together with interest on the unpaid principal amount hereof at the rates and on the dates set forth in the Agreement. The Borrower shall pay the principal of and accrued and unpaid interest on the Loans in full on the Termination Date.

The Lender shall, and is hereby authorized to, record on the schedule attached hereto, or to otherwise record in accordance with its usual practice, the date and amount of each Loan and the date and amount of each principal payment hereunder.

This Note is one of the Notes issued pursuant to, and is entitled to the benefits of, the Credit Agreement dated as of January 2, 2004 (as amended or otherwise modified from time to time, the "Agreement"), among the Borrower, the lenders party thereto, including the Lender, and Bank One, NA, as Administrative Agent, to which Agreement reference is hereby made for a statement of the terms and conditions governing this Note, including the terms and conditions under which this Note may be prepaid or its maturity date accelerated. This Note is guaranteed pursuant to the Subsidiary Guaranty, as more specifically described in the Agreement. Capitalized terms used herein and not otherwise defined herein are used with the meanings attributed to them in the Agreement.

Notwithstanding anything to the contrary in this Note, no provision of this Note shall require the payment or permit the collection of interest in excess of the maximum permitted by applicable law ("Maximum Rate"). If any interest in excess of the Maximum Rate is provided for or shall be adjudicated to be so provided, in this Note or otherwise in connection with the loan transaction, the provisions of this paragraph shall govern and prevail, and neither the Borrower nor the sureties, guarantors, successors or assigns of the Borrower shall be obligated to pay the excess of the interest or any other excess sum paid for the use, forbearance, or detention of sums loaned. If for any reason interest in excess of the Maximum Rate shall be deemed charged, required or permitted by any court of competent jurisdiction, the excess shall be applied as payment and reduction of the principal of indebtedness evidenced by this Note, and, if the principal amount has been paid in full, any remaining excess shall forthwith be paid to the Borrower.

This Note shall be construed in accordance with the internal laws (and not the law of conflicts) of the State of Illinois, but giving effect to Federal laws applicable to national banks.

SOUTHWESTERN ENERGY COMPANY

By:

Print Name:

Title:

SCHEDULE OF LOANS AND PAYMENTS OF PRINCIPAL
TO
NOTE
of southwestern energy company

DATED __________, 2003

Date	Principal Amount of Loan	Maturity of Interest Period	Principal Amount Paid	Unpaid Balance

EXHIBIT F

FORM OF SUBSIDIARY GUARANTY

THIS SUBSIDIARY GUARANTY (this "Guaranty") is made as of January 2, 2004 by SOUTHWESTERN ENERGY SERVICES COMPANY, an Arkansas corporation, SOUTHWESTERN ENERGY PRODUCTION COMPANY, an Arkansas corporation, and SEECO, INC., an Arkansas corporation (together with any other entity that may from time to time become party hereto by signing a counterpart hereof, collectively the "Subsidiary Guarantors"), in favor of Bank One, NA, a national banking association having its principal office in Chicago, Illinois (the "Bank").

WITNESSETH:

WHEREAS, Southwestern Energy Company, an Arkansas corporation (the "Company"), and the Bank have entered into a credit agreement dated as of the date hereof (as the same may be amended, restated or otherwise modified from time to time, the "Credit Agreement"), providing, subject to the terms and conditions thereof, for extensions of credit to be made by the Bank to the Company;

WHEREAS, it is a condition precedent to the making of any extension of credit under the Credit Agreement that each of the Subsidiary Guarantors execute and deliver this Guaranty whereby each of the Subsidiary Guarantors shall guarantee the payment when due, subject to Section 9 hereof, of all Guaranteed Obligations (as defined in Section 3 below); and

WHEREAS, in consideration of the financial and other support that the Company has provided, and such financial and other support as the Company may in the future provide, to the Subsidiary Guarantors, and in order to induce the Bank to grant extensions of credit under the Credit Agreement, and because each Subsidiary Guarantor has determined that executing this Guaranty is in its interest and to its financial benefit, each of the Subsidiary Guarantors is willing to guarantee the obligations of the Company under the Credit Agreement and the Note;

NOW, THEREFORE, in consideration of the premises and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:

SECTION 1. Credit Agreement Definitions. Capitalized terms used herein but not defined herein shall have the respective meanings set forth in (or defined by reference in) the Credit Agreement.

SECTION 2. Representations and Warranties. Each Subsidiary Guarantor represents and warrants (which representations and warranties shall be deemed to have been renewed on each date on which the Bank makes a Loan to the Company) that:

(a) It is a corporation, partnership or limited liability company duly and properly incorporated or organized, as the case may be, validly existing and (to the extent such concept applies to such entity) in good standing under the laws of its jurisdiction of incorporation or organization and has all requisite authority to conduct its business in each jurisdiction in which its business is conducted.

(b) It has the power and authority and legal right to execute and deliver this Guaranty and to perform its obligations hereunder. The execution and delivery by it of this Guaranty and the performance of its obligations hereunder have been duly authorized by proper organizational proceedings, and this Guaranty constitutes a legal, valid and binding obligation of such Subsidiary Guarantor enforceable against it in accordance with its terms, except as enforceability may be limited by bankruptcy, insolvency or similar laws affecting the enforcement of creditors' rights generally.

(c) Neither the execution and delivery by it of this Guaranty, nor the consummation of the transactions herein contemplated, nor compliance with the provisions hereof will violate (i) any law, rule, regulation, order, writ, judgment, injunction, decree or award binding on it or any of its Subsidiaries or (ii) its articles or certificate of incorporation, partnership agreement, certificate of partnership, articles or certificate of organization, bylaws, or operating or other management agreement, as the case may be, or (iii) the provisions of any indenture, instrument or agreement to which it or any of its Subsidiaries is a party or is subject, or by which it, or its Property, is bound, or conflict with or constitute a default thereunder, or result in, or require, the creation or imposition of any Lien in, of or on the Property of such Subsidiary Guarantor or a Subsidiary thereof pursuant to the terms of any such indenture, instrument or agreement. No order, consent, adjudication, approval, license, authorization or validation of, or filing, recording or registration with, or exemption by, or other action in respect of any governmental or public body or authority, or any subdivision thereof, which has not been obtained by it or any of its Subsidiaries, is required to be obtained by it or any of its Subsidiaries in connection with the execution and delivery of this Guaranty or the performance by it of its obligations hereunder or the legality, validity, binding effect or enforceability of this Guaranty.

SECTION 3. The Guaranty. Subject to Section 9 hereof, each Subsidiary Guarantor hereby absolutely and unconditionally guarantees, as primary obligor and not as merely surety, the full and punctual payment (whether at stated maturity, upon acceleration or early termination or otherwise, and at all times thereafter) and performance of the unpaid principal of and accrued and unpaid interest on the Loans, all accrued and unpaid fees and all expenses, reimbursements, indemnities and other obligations of the Company to the Bank or any other indemnified party arising under the Loan Documents, including without limitation any such obligations incurred or accrued during the pendency of any bankruptcy, insolvency, receivership or similar proceeding, whether or not allowed or allowable in such proceeding (collectively, subject to the provisions of Section 9 hereof, the "Guaranteed Obligations"). Upon failure by the Company to pay punctually any such amount, each Subsidiary Guarantor agrees that it shall forthwith on written demand pay to the Bank the amount not so paid at the place and in the manner specified in the Credit Agreement or the Note, as the case may be. This Guaranty is a guaranty of payment and not of collection. Each Subsidiary Guarantor waives any right to require the Bank to ▇▇▇ the Company, any other guarantor, or any other person obligated for all or any part of the Guaranteed Obligations.

SECTION 4. Guaranty Unconditional. Subject to Section 9 hereof, the obligations of each Subsidiary Guarantor hereunder shall be unconditional and absolute and, without limiting the generality of the foregoing, shall not be released, discharged or otherwise affected by:

(i) any extension, renewal, settlement, compromise, waiver or release in respect of any of the Guaranteed Obligations, by operation of law or otherwise, or any obligation of any other guarantor of any of the Guaranteed Obligations, or any default, failure or delay, willful or otherwise, in the payment or performance of the Guaranteed Obligations;

(ii) any modification or amendment of or supplement to the Credit Agreement or the Note;

(iii) #9; any release, nonperfection or invalidity of any direct or indirect security for any obligation of the Company under the Credit Agreement or the Note or any obligation of any other guarantor of any of the Guaranteed Obligations;

(iv) any change in the corporate existence, structure or ownership of the Company or any other guarantor of any of the Guaranteed Obligations, or any insolvency, bankruptcy, reorganization or other similar proceeding affecting the Company or any other guarantor of the Guaranteed Obligations, or the assets of any of the foregoing, or any resulting release or discharge of any obligation of the Company or any other guarantor of any of the Guaranteed Obligations;

(v) the existence of any claim, setoff or other right which such Subsidiary Guarantor may have at any time against the Company, any other guarantor of any of the Guaranteed Obligations, the Bank or any other Person, whether in connection herewith or any unrelated transaction;

(vi) any invalidity or unenforceability relating to or against the Company, or any other guarantor of any of the Guaranteed Obligations, for any reason related to the Credit Agreement or the Note, or any provision of applicable law or regulation purporting to prohibit the payment by the Company, or any other guarantor of the Guaranteed Obligations, of the principal of or interest on the Note or any other amount payable by the Company under the Credit Agreement or the Note; or

(vii) any other act or omission to act or delay of any kind by the Company, any other guarantor of the Guaranteed Obligations, the Bank or any other Person or any other circumstance whatsoever which might, but for the provisions of this paragraph, constitute a legal or equitable discharge of such Subsidiary Guarantor's obligations hereunder.

SECTION 5. Discharge Only Upon Payment In Full: Reinstatement In Certain Circumstances. Each Subsidiary Guarantor's obligations hereunder shall remain in full force and effect until all Guaranteed Obligations shall have been indefeasibly paid in full and the Commitment shall have terminated or expired. If at any time any payment of the principal of or interest on the Note or any other amount payable by the Company under the Credit Agreement, or by any Subsidiary Guarantor hereunder, is rescinded or must be otherwise restored or returned upon the insolvency, bankruptcy or reorganization of the Company or otherwise, each Subsidiary Guarantor's obligations hereunder with respect to such payment shall be reinstated as though such payment had been due but not made at such time.

SECTION 6. Waivers. Each Subsidiary Guarantor irrevocably waives acceptance hereof, presentment, demand, protest and, to the fullest extent permitted by law, any notice not provided for herein, as well as any requirement that at any time any action be taken by any Person against the Company, any other guarantor of any of the Guaranteed Obligations or any other Person.

SECTION 7. Subrogation. Each Subsidiary Guarantor hereby agrees not to assert any right, claim or cause of action, including, without limitation, a claim for subrogation, reimbursement, indemnification or otherwise, against the Company arising out of or by reason of this Guaranty or the obligations hereunder, including, without limitation, the payment or securing or purchasing of any of the Guaranteed Obligations by any of the Subsidiary Guarantors, unless and until the Guaranteed Obligations are indefeasibly paid in full and the Commitment has terminated.

SECTION 8. Stay of Acceleration. If acceleration of the time for payment of any of the Guaranteed Obligations is stayed upon the insolvency, bankruptcy or reorganization of the Company, all such amounts otherwise subject to acceleration under the terms of the Credit Agreement or the Note shall nonetheless be payable by each of the Subsidiary Guarantors hereunder forthwith on demand by the Bank.

SECTION 9. Limitation on Obligations.

(a) The provisions of this Guaranty are severable, and in any action or proceeding involving any state corporate law, or any state, federal or foreign bankruptcy, insolvency, reorganization or other law affecting the rights of creditors generally, if the obligations of any Subsidiary Guarantor under this Guaranty would otherwise be held or determined to be avoidable, invalid or unenforceable on account of the amount of such Subsidiary Guarantor's liability under this Guaranty, then, notwithstanding any other provision of this Guaranty to the contrary, the amount of such liability shall, without any further action by any Subsidiary Guarantor or the Bank, be automatically limited and reduced to the highest amount that is valid and enforceable as determined in such action or proceeding (such highest amount determined hereunder being the relevant Subsidiary Guarantor's "Maximum Liability"). This Section 9(a) with respect to the Maximum Liability of the Subsidiary Guarantors is intended solely to preserve the rights of the Bank hereunder to the maximum extent not subject to avoidance under applicable law, and neither a Subsidiary Guarantor nor any other Person shall have any right or claim under this Section 9(a) with respect to the Maximum Liability, except to the extent necessary so that the obligations of each Subsidiary Guarantor hereunder shall not be rendered voidable under applicable law.

(b) Each Subsidiary Guarantor agrees that the Guaranteed Obligations may at any time and from time to time exceed the Maximum Liability of such Subsidiary Guarantor, and may exceed the aggregate Maximum Liability of all other Subsidiary Guarantors, without impairing this Guaranty or affecting the rights and remedies of the Bank hereunder. Nothing in this Section 9(b) shall be construed to increase any Subsidiary Guarantor's obligations hereunder beyond its Maximum Liability.

(c) If any Subsidiary Guarantor (a "Paying Subsidiary Guarantor") shall make any payment or payments under this Guaranty, each other Subsidiary Guarantor (each a "Non-Paying Subsidiary Guarantor") shall contribute to such Paying Subsidiary Guarantor an amount equal to such Non-Paying Subsidiary Guarantor's "Pro Rata Share" of such payment or payments made, or losses suffered, by such Paying Subsidiary Guarantor. For the purposes hereof, each Non-Paying Subsidiary Guarantor's "Pro Rata Share" with respect to any such payment or loss by a Paying Subsidiary Guarantor shall be determined as of the date on which such payment or loss was made by reference to the ratio of (i) such Non-Paying Subsidiary Guarantor's Maximum Liability as of such date (without giving effect to any right to receive, or obligation to make, any contribution hereunder) or, if such Non-Paying Subsidiary Guarantor's Maximum Liability has not been determined, the aggregate amount of all monies received by such Non-Paying Subsidiary Guarantor from the Company after the date hereof (whether by loan, capital infusion or by other means) to (ii) the sum of the Maximum Liabilities (which may be greater than the amount of Guaranteed Obligations) of all Subsidiary Guarantors hereunder (including such Paying Subsidiary Guarantor) as of such date (without giving effect to any right to receive, or obligation to make, any contribution hereunder), or to the extent that a Maximum Liability has not been determined for any Subsidiary Guarantor, the aggregate amount of all monies received by such Subsidiary Guarantor from the Company after the date hereof (whether by loan, capital infusion or by other means). Nothing in this Section 9(c) shall affect any Subsidiary Guarantor's several liability for the entire amount of the Guaranteed Obligations (up to such Subsidiary Guarantor's Maximum Liability). Each Subsidiary Guarantor covenants and agrees that its right to receive any contribution under this Guaranty from a Non-Paying Subsidiary Guarantor shall be subordinate and junior in right of payment to all the Guaranteed Obligations. The provisions of this Section 9(c) are for the benefit of both the Bank and the Subsidiary Guarantors and may be enforced by any of them in accordance with the terms hereof.

SECTION 10. Application of Payments. All payments received by the Bank hereunder shall be applied by the Bank to payment of the Guaranteed Obligations in the following order unless a court of competent jurisdiction shall otherwise direct:

(a) FIRST, to payment of all costs and expenses of the Bank incurred in connection with the collection and enforcement of the Guaranteed Obligations;

(b) SECOND, to payment of that portion of the Guaranteed Obligations constituting accrued and unpaid interest and fees; and

SECTION 11. Notices. All notices, requests and other communications to any party hereunder shall be given or made by facsimile or other writing and faxed, mailed or delivered to the intended recipient at its address or facsimile number set forth under its name on Schedule I hereto or such other address or facsimile number as such party may hereafter specify for such purpose by notice to the Bank in accordance with the provisions of Section 8.5 of the Credit Agreement. Except as otherwise provided in this Guaranty, all such communications shall be deemed to have been duly given when transmitted by facsimile, or personally delivered or, in the case of a mailed notice sent by certified mail return-receipt requested, on the date set forth on the receipt (provided that any refusal to accept any such notice shall be deemed to be notice thereof as of the time of any such refusal), in each case given or addressed as aforesaid.

SECTION 12. No Waivers. No failure or delay by the Bank in exercising any right, power or privilege hereunder shall operate as a waiver thereof nor shall any single or partial exercise thereof preclude any other or further exercise thereof or the exercise of any other right, power or privilege. The rights and remedies provided in this Guaranty, the Credit Agreement and the Note shall be cumulative and not exclusive of any rights or remedies provided by law.

SECTION 13. No Duty to Advise. Each Subsidiary Guarantor assumes all responsibility for being and keeping itself informed of the Company's financial condition and assets, and of all other circumstances bearing upon the risk of nonpayment of the Guaranteed Obligations and the nature, scope and extent of the risks that such Subsidiary Guarantor assumes and incurs under this Guaranty, and agrees that the Bank does not have any duty to advise such Subsidiary Guarantor of information known to it regarding those circumstances or risks.

SECTION 14. Successors and Assigns. This Guaranty is for the benefit of the Bank and its successors and permitted assigns and in the event of an assignment of any amounts payable under the Credit Agreement or the Note, the rights hereunder, to the extent applicable to the indebtedness so assigned, shall be transferred with such indebtedness. This Guaranty shall be binding upon each Subsidiary Guarantor and its successors.

SECTION 15. Changes in Writing. Neither this Guaranty nor any provision hereof may be changed, waived, discharged or terminated orally, but only in writing signed by each of the Subsidiary Guarantors and the Bank.

SECTION 16. Costs of Enforcement. Each Subsidiary Guarantor agrees to pay all costs and expenses, including, without limitation, all court costs and attorneys' fees and expenses, paid or incurred by the Bank in endeavoring to collect all or any part of the Guaranteed Obligations from, or in prosecuting any action against, the Company, such Subsidiary Guarantor or any other guarantor of all or any part of the Guaranteed Obligations.

SECTION 17. GOVERNING LAW; SUBMISSION TO JURISDICTION; WAIVER OF JURY TRIAL. THIS GUARANTY SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAW OF THE STATE OF ILLINOIS. EACH SUBSIDIARY GUARANTOR HEREBY SUBMITS TO THE NONEXCLUSIVE JURISDICTION OF THE UNITED STATES DISTRICT COURT FOR THE NORTHERN DISTRICT OF ILLINOIS AND OF ANY ILLINOIS STATE COURT SITTING IN CHICAGO, ILLINOIS FOR PURPOSES OF ALL LEGAL PROCEEDINGS ARISING OUT OF OR RELATING TO THIS GUARANTY (INCLUDING, WITHOUT LIMITATION, THE CREDIT AGREEMENT OR THE NOTE) OR THE TRANSACTIONS CONTEMPLATED HEREBY. EACH SUBSIDIARY GUARANTOR IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW, ANY OBJECTION WHICH IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF THE VENUE OF ANY SUCH PROCEEDING BROUGHT IN SUCH A COURT AND ANY CLAIM THAT ANY SUCH PROCEEDING BROUGHT IN SUCH A COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM. EACH SUBSIDIARY GUARANTOR, AND THE BANK BY ACCEPTING THE BENEFITS OF THIS GUARANTY, HEREBY IRREVOCABLY WAIVES ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS GUARANTY OR THE TRANSACTIONS CONTEMPLATED HEREBY.

SECTION 18. Taxes. etc. All payments required to be made by any of the Subsidiary Guarantors hereunder shall be made without setoff or counterclaim and free and clear of and without deduction or withholding for or on account of, any present or future taxes, levies, imposts, duties or other charges of whatsoever nature imposed by any government or any political or taxing authority thereof (but excluding Excluded Taxes), provided, however, that if any Subsidiary Guarantor is required by law to make such deduction or withholding, such Subsidiary Guarantor shall forthwith (i) pay to the Bank such additional amount as results in the net amount received by the Bank equaling the full amount which would have been received by the Bank had no such deduction or withholding been made, (ii) pay the full amount deducted to the relevant authority in accordance with applicable law, and (iii) furnish to the Bank certified copies of official receipts evidencing payment of such withholding taxes within 30 days after such payment is made.

IN WITNESS WHEREOF, each Subsidiary Guarantor has caused this Guaranty to be duly executed by its authorized officer as of the day and year first above written.

SOUTHWESTERN ENERGY PRODUCTION COMPANY

By: __________________________________

▇▇▇▇▇▇▇ ▇. ▇▇▇▇,

Executive Vice President, Exploration and Production

SOUTHWESTERN ENERGY SERVICES COMPANY

By: __________________________________

▇▇▇▇▇▇▇ ▇. ▇'▇▇▇▇▇▇▇

Vice President, Treasurer and Assistant Secretary

SEECO, INC.

By: __________________________________

▇▇▇▇ ▇. ▇▇▇▇▇▇

Executive Vice President and Chief Financial Officer

Additional Signature page for the Subsidiary Guaranty dated as of January 2, 2004 (as amended, restated or otherwise modified from time to time) issued by various Subsidiaries of Southwestern Energy Company.

The undersigned is executing a counterpart hereof for purposes of becoming a party hereto (and set forth below is the address of the undersigned for purposes of Schedule I to this Subsidiary Guaranty)

[________________________________]

By: __________________________________

Name: ________________________________

Title: _________________________________

Address:

EXHIBIT G
FORM OF COMPLIANCE CERTIFICATE

The undersigned, the _________________ of Southwestern Energy Company (the "Borrower") hereby (a) delivers this Certificate pursuant to Section 6.1(c) of the Credit Agreement dated as of January 2, 2004 (the "Agreement"; capitalized terms used but not defined herein have the respective meanings given thereto in the Agreement) among the Borrower, various financial institutions and Bank One, NA, as Administrative Agent, and (b) certifies to each Lender as follows:

1. Attached as Schedule I are the financial statements of the Borrower as of and for the Fiscal _ Year _ Quarter (check one) ended , .

2. Such financial statements have been prepared in accordance with Agreement Accounting Principles and fairly present in all material respects the financial condition of the Borrower as of the date indicated therein and the results of operations for the respective periods covered thereby.

3. Attached as Schedule II are detailed calculations used by the Borrower to establish whether the Borrower was in compliance with the requirements of Section 6.4 of the Agreement on the date of the financial statements attached as Schedule I.

4. Unless otherwise disclosed on Schedule III, neither a Default nor an Unmatured Default has occurred which is in existence on the date hereof or, if any Default or Unmatured Default is disclosed on Schedule III, the Borrower has taken or proposes to take the action to cure such Default or Unmatured Default set forth on Schedule III.

5. Except as described on Schedule IV, the representations and warranties of the Borrower set forth in the Agreement are true and correct on and as of the date hereof, with the same effect as though such representations and warranties had been made on and as of the date hereof or, if such representations and warranties are expressly limited to particular dates, as of such particular dates.

IN WITNESS WHEREOF, the undersigned has duly executed this Certificate as of __________, ________.

SOUTHWESTERN ENERGY COMPANY

By:

Print Name:

Title:

Schedule I

Financial Statements
(to be attached)

Schedule II

Compliance Calculations
(to be attached)

Schedule III

Defaults/Remedial Action
(to be attached)

Schedule IV

Qualifications to Representations and Warranties

ARTICLE I DEFINITIONS 1

1.1 Definitions 1

1.2 Other Interpretive Provisions 12

ARTICLE II THE CREDITS 12

2.1 Commitments 12

2.2 Types of Advances 12

2.3 Minimum Amount of Each Advance 12

2.4 Method of Selecting Types and Interest Periods for New Advances 12

2.5 Conversion and Continuation of Outstanding Advances 13

2.6 Commitment Fee; Voluntary Reductions in Aggregate Commitment 14

2.7 Mandatory Reduction of the Aggregate Commitment 14

2.8 Prepayments 14

2.9 Interest Rates, etc 14

2.10 Rates Applicable After Default 14

2.11 Maturity 15

2.12 Method of Payment 15

2.13 Noteless Agreement; Evidence of Indebtedness 15

2.14 Telephonic Notices 16

2.15 Interest Payment Dates; Interest and Fee Basis 16

2.16 Notification of Advances, Interest Rates, Prepayments and Commitment Reductions 16

2.17 Lending Installations 17

2.18 Non-Receipt of Funds by the Administrative Agent 17

2.19 Replacement of Lender 17

2.20 Letters of Credit 18

2.20.1 #9; Issuance 18

2.20.2 #9; Participations 18

2.20.3 #9; Issuance or Modification of Letters of Credit 18

2.20.4 #9; Letter of Credit Fees 18

2.20.5 #9; Reimbursement by Borrower 19

2.20.6 #9; Reimbursement by Lenders 19

2.20.7 #9; Obligations Absolute 19

2.20.8 #9; Actions of Issuer 20

2.20.9 #9; Indemnification 20

2.20.10 Lenders' Indemnification 21

2.20.11 LC Collateral Account 21

2.20.12 Rights as a Lender 22

ARTICLE III YIELD PROTECTION; TAXES 22

3.1 Yield Protection 22

3.2 Changes in Capital Adequacy Regulations 23

3.3 Availability of Types of Advances 23

3.4 Funding Indemnification 24

3.5 Taxes 24

3.6 Lender Statements; Survival of Indemnity 25

ARTICLE IV CONDITIONS PRECEDENT 26

4.1 Initial Credit Extension 26

4.2 Each Credit Extension 27

ARTICLE V REPRESENTATIONS AND WARRANTIES 27

5.1 Organization 27

5.2 Authorization and Validity 28

5.3 Financial Statements 28

5.4 Subsidiaries 28

5.5 ERISA 28

5.6 Defaults 28

5.7 Accuracy of Information 28

5.8 Regulation U 28

5.9 No Adverse Change 29

5.10 Taxes 29

5.11 Liens 29

5.12 Compliance with Orders 29

5.13 Litigation 29

5.14 Burdensome Agreements 29

5.15 No Conflict 29

5.16 Title to Properties 30

5.17 Public Utility Holding Company Act 30

5.18 Regulatory Approval 30

5.19 Negative Pledge 30

5.20 Investment Company Act 30

5.21 Compliance with Laws 30

ARTICLE VI COVENANTS 31

6.1 Information 31

6.2 Affirmative Covenants 33

6.2.1 Reports and Inspection 33

6.2.2 Conduct of Business 33

6.2.3 Insurance 34

6.2.4 Taxes 34

6.2.5 Compliance with Laws 34

6.2.6 Maintenance of Properties 34

6.2.7 Additional Guarantors 35

6.3 Negative Covenants 35

6.3.1 Merger and Sale of Assets 35

6.3.2 Liens 36

6.3.3 Subsidiary Guarantors 38

6.3.4 Investments 39

6.3.5 Indebtedness of Subsidiaries 39

6.4 Financial Covenants 39

6.4.1 Debt to Capitalization Ratio 39

6.4.2 Interest Coverage Ratio 39

6.4.3 Net Worth 39

ARTICLE VII DEFAULTS 40

7.1 Events of Default 40

7.1.1 Representations and Warranties 40

7.1.2 Payment Default 40

7.1.3 Breach of Certain Covenants 40

7.1.4 Other Breach of this Agreement 40

7.1.5 ERISA 40

7.1.6 Cross-Default 40

7.1.7 Voluntary Bankruptcy, etc 41

7.1.8 Involuntary Bankruptcy, etc 41

7.1.9 Judgments 41

7.1.10 Environmental Matters 41

7.1.11 Subsidiary Guaranty 41

ARTICLE VIII ACCELERATION, WAIVERS, AMENDMENTS AND REMEDIES; RELEASES OF GUARANTORS 41

8.1 Acceleration 41

8.2 Amendments 42

8.3 Preservation of Rights 43

8.4 Releases of Guarantors 43

ARTICLE IX GENERAL PROVISIONS 43

9.1 Survival of Representations 43

9.2 Governmental Regulation 43

9.3 Headings 43

9.4 Entire Agreement 43

9.5 Several Obligations; Benefits of this Agreement 44

9.6 Expenses; Indemnification 44

9.7 Numbers of Documents 44

9.8 Accounting 44

9.9 Severability of Provisions 44

9.10 Nonliability of Lenders 45

9.11 Confidentiality 45

9.12 Nonreliance 46

9.13 Disclosure 46

ARTICLE X THE ADMINISTRATIVE AGENT 46

10.1 Appointment; Nature of Relationship 46

10.2 Powers 46

10.3 General Immunity 47

10.4 No Responsibility for Loans, Recitals, etc 47

10.5 Action on Instructions of Lenders 47

10.6 Employment of Agents and Counsel 47

10.7 Reliance on Documents; Counsel 48

10.8 Administrative Agent's Reimbursement and Indemnification 48

10.9 Notice of Default 48

10.10 Rights as a Lender 48

10.11 Lender Credit Decision 49

10.12 Successor Administrative Agent 49

10.13 Delegation to Affiliates 50

10.14 Other Agents 50

ARTICLE XI SETOFF; RATABLE PAYMENTS 50

11.1 Setoff 50

11.2 Ratable Payments 50

ARTICLE XII BENEFIT OF AGREEMENT; ASSIGNMENTS; PARTICIPATIONS 51

12.1 Successors and Assigns 51

12.2 Participations 51

12.2.1 Permitted Participants; Effect 51

12.2.2 Voting Rights 51

12.3 Assignments 52

12.3.1 #9; Permitted Assignments 52

12.3.2 #9; Effect; Effective Date 52

12.4 Dissemination of Information 53

12.5 Tax Treatment 53

ARTICLE XIII NOTICES 53

ARTICLE XIV COUNTERPARTS 53

ARTICLE XV CHOICE OF LAW; CONSENT TO JURISDICTION; WAIVER OF JURY TRIAL; MAXIMUM INTEREST RATE 54

15.1 CHOICE OF LAW 54

15.2 CONSENT TO JURISDICTION 54

15.3 WAIVER OF JURY TRIAL 54

15.4 Maximum Interest Rate 54

ARTICLE XVI TERMINATION OF EXISTING AGREEMENT 55

End of TOC - Do not delete this paragraph!

SCHEDULES
Schedule 1A Commitments
Schedule 1B Pricing Schedule
Schedule 5.4 Subsidiaries
Schedule 5.13 Litigation
Schedule 5.19 Negative Pledges
Schedule 6.2 Insurance

EXHIBITS
Exhibit A Form of Borrowing Notice
Exhibit B Form of Opinion of Counsel to Borrower
Exhibit C Form of Assignment Agreement
Exhibit D Form of Money Transfer Instructions
Exhibit E Form of Note
Exhibit F Form of Subsidiary Guaranty
Exhibit G Form of Compliance Certificate

CREDIT AGREEMENT DATED AS OF JANUARY 2, 2004 AMONG SOUTHWESTERN ENERGY COMPANY, THE LENDERS, BANK ONE, NA, AS ADMINISTRATIVE AGENT, AND ROYAL BANK OF CANADA, AS SYNDICATION AGENT BANC ONE CAPITAL MARKETS, INC. LEAD ARRANGER AND SOLE BOOK RUNNER CREDIT...

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