SENIOR TERM CREDIT AGREEMENT dated as of October 2, 2006, as amended and restated as of October 13, 2006, among EXCO PARTNERS OPERATING PARTNERSHIP, LP, as Borrower CERTAIN SUBSIDIARIES OF BORROWER, as Guarantors The Lenders Party Hereto JPMORGAN...

Exhibit 10.2

EXECUTION VERSION

SENIOR TERM CREDIT AGREEMENT

dated as of
October 2, 2006,

as amended and restated as of
October 13, 2006,

among

EXCO PARTNERS OPERATING PARTNERSHIP, LP,
as Borrower

CERTAIN SUBSIDIARIES OF BORROWER,
as Guarantors

The Lenders Party Hereto

JPMORGAN CHASE BANK, N.A.,
as Administrative Agent

CREDIT SUISSE, CAYMAN ISLANDS BRANCH,
as Syndication Agent

▇.▇. ▇▇▇▇▇▇ SECURITIES INC.,
CREDIT SUISSE SECURITIES (USA) LLC,
as Joint Bookrunners and Co-Lead Arrangers

$650,000,000 Credit Facility

TABLE OF CONTENTS

			Page

ARTICLE I DEFINITIONS			1

	Section 1.01.	Defined Terms	1
	Section 1.02.	Types of Loans and Borrowings	28
	Section 1.03.	Terms Generally	28
	Section 1.04.	Accounting Terms; GAAP	28
	Section 1.05.	Oil and Gas Definitions	29
	Section 1.06.	Time of Day	29
	Section 1.07.	Second Priority Creditors.	29

ARTICLE II THE CREDITS			29

	Section 2.01.	Commitments	29
	Section 2.02.	Repayment of Loans	29
	Section 2.03.	Reserved	29
	Section 2.04.	Requests for Borrowings	29
	Section 2.05.	[Reserved]	30
	Section 2.06.	Funding of Borrowings	30
	Section 2.07.	Interest Elections	30
	Section 2.08.	Repayment of Loans; Evidence of Debt.	32
	Section 2.09.	Optional Prepayment of Loans	33
	Section 2.10.	Mandatory Prepayment of Loans	33
	Section 2.11.	Fees	34
	Section 2.12.	Interest	34
	Section 2.13.	Alternate Rate of Interest	35
	Section 2.14.	Increased Costs	36
	Section 2.15.	Break Funding Payments	37
	Section 2.16.	Taxes	37
	Section 2.17.	Payments Generally; Pro Rata Treatment; Sharing of Set-offs	39
	Section 2.18.	Mitigation Obligations; Replacement of Lenders	40

ARTICLE III [RESERVED]			42

ARTICLE IV REPRESENTATIONS AND WARRANTIES			42

	Section 4.01.	Organization; Powers	42
	Section 4.02.	Authorization; Enforceability	42
	Section 4.03.	Governmental Approvals; No Conflicts	42
	Section 4.04.	No Material Adverse Change	43
	Section 4.05.	Properties	43
	Section 4.06.	Litigation and Environmental Matters	43
	Section 4.07.	Compliance with Laws and Agreements	44
	Section 4.08.	Investment Company Status	44
	Section 4.09.	Taxes	44

	Section 4.10.	ERISA	44
	Section 4.11.	Disclosure	44
	Section 4.12.	Labor Matters	44
	Section 4.13.	Capitalization and Credit Party Information	45
	Section 4.14.	Margin Stock	45
	Section 4.15.	Oil and Gas Interests	45
	Section 4.16.	Insurance	46
	Section 4.17.	Solvency	46
	Section 4.18.	Deposit Accounts	46

ARTICLE V CONDITIONS			47

	Section 5.01.	Effective Date	47

ARTICLE VI AFFIRMATIVE COVENANTS			51

	Section 6.01.	Financial Statements; Other Information	51
	Section 6.02.	Notices of Material Events	54
	Section 6.03.	Existence; Conduct of Business	54
	Section 6.04.	Payment of Obligations	55
	Section 6.05.	Maintenance of Properties; Insurance	55
	Section 6.06.	Books and Records; Inspection Rights	55
	Section 6.07.	Compliance with Laws	55
	Section 6.08.	Use of Proceeds	56
	Section 6.09.	Mortgages	56
	Section 6.10.	Title Data	56
	Section 6.11.	Swap Agreements	56
	Section 6.12.	Operation of Oil and Gas Interests	57
	Section 6.13.	Restricted Subsidiaries	57
	Section 6.14.	Pledged Equity Interests	58
	Section 6.15.	Production Proceeds and Bank Accounts	58
	Section 6.16.	Mandatory Prepayment of the Loans	58

ARTICLE VII NEGATIVE COVENANTS			59

	Section 7.01.	Indebtedness	59
	Section 7.02.	Liens	60
	Section 7.03.	Fundamental Changes	61
	Section 7.04.	Investments, Loans, Advances, Guarantees and Acquisitions	62
	Section 7.05.	Swap Agreements	63
	Section 7.06.	Restricted Payments	64
	Section 7.07.	Transactions with Affiliates	64
	Section 7.08.	Restrictive Agreements	64
	Section 7.09.	Disqualified Stock	65
	Section 7.10.	Amendments to Organizational Documents and Certain Liens and Guarantees	65

	Section 7.11.	Financial Covenants	65
	Section 7.12.	Sale and Leaseback Transactions and other Off-Balance Sheet Liabilities	66
	Section 7.13.	Capital Expenditures.	66

ARTICLE VIII GUARANTEE OF OBLIGATIONS			67

	Section 8.01.	Guarantee of Payment	67
	Section 8.02.	Guarantee Absolute	67
	Section 8.03.	Guarantee Irrevocable	67
	Section 8.04.	Reinstatement	68
	Section 8.05.	Subrogation	68
	Section 8.06.	Subordination	68
	Section 8.07.	Payments Generally	68
	Section 8.08.	Setoff	69
	Section 8.09.	Formalities	69
	Section 8.10.	Limitations on Guarantee	69

ARTICLE IX EVENTS OF DEFAULT			70

ARTICLE X THE ADMINISTRATIVE AGENT			72

ARTICLE XI MISCELLANEOUS			74

	Section 11.01.	Notices	74
	Section 11.02.	Waivers; Amendments	75
	Section 11.03.	Expenses; Indemnity; Damage Waiver	76
	Section 11.04.	Successors and Assigns	78
	Section 11.05.	Survival	81
	Section 11.06.	Counterparts; Integration; Effectiveness	82
	Section 11.07.	Severability	82
	Section 11.08.	Right of Setoff	82
	Section 11.09.	GOVERNING LAW; JURISDICTION; CONSENT TO SERVICE OF PROCESS	82
	Section 11.10.	WAIVER OF JURY TRIAL	83
	Section 11.11.	Headings	84
	Section 11.12.	Confidentiality	84
	Section 11.13.	Interest Rate Limitation	84
	Section 11.14.	USA PATRIOT Act	85

iii

SCHEDULES:

Schedule 1.01(a) - Existing Swap Agreements

Schedule 2.01 – Applicable Percentages and Commitments

Schedule 4.06 – Disclosed Matters

Schedule 4.13 – Capitalization and Credit Party Information

Schedule 4.18 – Deposit and Investment Accounts

Schedule 7.01 – Existing Indebtedness

Schedule 7.02 – Existing Liens

Schedule 7.07 – Transactions with Affiliates

Schedule 7.08 – Existing Restrictions

EXHIBITS:

Exhibit A – Form of Assignment and Assumption

Exhibit B – Form of Opinion of Borrower’s Counsel

Exhibit C – Form of Counterpart Agreement

Exhibit D – Form of Solvency Certificate

SENIOR TERM CREDIT AGREEMENT dated as of October 2, 2006, as amended and restated as of October 13, 2006, among EXCO PARTNERS OPERATING PARTNERSHIP, LP, as Borrower, CERTAIN SUBSIDIARIES OF BORROWER, as Guarantors, the LENDERS party hereto, and JPMORGAN CHASE BANK, N.A., as Administrative Agent.

The parties hereto agree as follows:

Article I

Definitions

Section 1.01. Defined Terms. As used in this Agreement, the following terms have the meanings specified below:

“ABR”, when used in reference to any Loan or Borrowing, refers to whether such Loan, or the Loans comprising such Borrowing, are bearing interest at a rate determined by reference to the Alternate Base Rate.

“Acquisition” means, the acquisition by the Borrower or any Restricted Subsidiary, whether by purchase, merger (and, in the case of a merger with any such Person, with such Person being the surviving corporation) or otherwise, of all or substantially all of the Equity Interest of, or the business, property or fixed assets of or business line or unit or a division of, any other Person primarily engaged in the business of producing oil or natural gas or the acquisition by the Borrower or any Restricted Subsidiary of property or assets consisting of Oil and Gas Interests.

“Adjusted LIBO Rate” means, with respect to any Eurodollar Borrowing for any Interest Period, an interest rate per annum (rounded upwards, if necessary, to the next 1/16 of 1%) equal to (a) the LIBO Rate for such Interest Period multiplied by (b) the Statutory Reserve Rate.

“Administrative Agent” means JPMorgan Chase Bank, N.A. in its capacity as contractual representative of the Lenders hereunder pursuant to Article X and not in its individual capacity as a Lender, and any successor agent appointed pursuant to Article X.

“Administrative Questionnaire” means an Administrative Questionnaire in a form supplied by the Administrative Agent.

“Advance Payment Contract” means any contract whereby any Credit Party either (a) receives or becomes entitled to receive (either directly or indirectly) any payment (an “Advance Payment”) to be applied toward payment of the purchase price of Hydrocarbons produced or to be produced from Oil and Gas Interests owned by any Credit Party and which Advance Payment is, or is to be, paid in advance of actual delivery of such production to or for the account of the purchaser regardless of such production, or (b) grants an option or right of refusal to the purchaser to take delivery of such production in lieu of payment, and, in either of the foregoing instances, the Advance Payment is, or is to be, applied as payment in full for such

production when sold and delivered or is, or is to be, applied as payment for a portion only of the purchase price thereof or of a percentage or share of such production; provided that inclusion of the standard “take or pay” provision in any gas sales or purchase contract or any other similar contract shall not, in and of itself, constitute such contract as an Advance Payment Contract for the purposes hereof.

“Affiliate” means, with respect to a specified Person, another Person that directly, or indirectly through one or more intermediaries, Controls or is Controlled by or is under common Control with the Person specified.

“Agreed Pricing” means:

(i) for anticipated sales of Hydrocarbons that are fixed in a firm fixed price sales contract with an Approved Counterparty (or another counterparty approved by the Administrative Agent), the fixed price or prices provided for in such sales contract during the term thereof; and

(ii) for anticipated sales of Hydrocarbons that are hedged by a fixed price Swap Agreement with an Approved Counterparty, the fixed price or prices provided for in such Swap Agreement during the term thereof, as modified by any necessary adjustment specified by the Administrative Agent for quality and geographical differentials; and

(iii) for anticipated sales of Hydrocarbons that are hedged by a Swap Agreement with an Approved Counterparty which Swap Agreement provides for a range of prices between a floor and a ceiling, the prices provided for in subsection (iv) below, provided that during the term of such Swap Agreement such prices shall in no event be less than such floor or exceed such ceiling, as such floor and ceiling are modified by any necessary adjustment specified by the Administrative Agent for quality and geographical differentials; and

(iv) for anticipated sales of Hydrocarbons, if such sales are not hedged by a Swap Agreement or sales contract that is described in paragraphs (i), (ii), or (iii) above, for the date of calculation (or, if such date is not a Business Day, for the first Business Day thereafter), and with any necessary adjustment specified by the Administrative Agent for quality and geographical differentials, the “strip” price under ▇▇▇▇▇ Hub Natural Gas futures contracts and Light, Sweet Crude Oil futures contracts for the five year period following such calculation date, in each case as published by New York Mercantile Exchange (NYMEX) on its website currently located at ▇▇▇.▇▇▇▇▇.▇▇▇, or any successor thereto (as such price may be corrected or revised from time to time by the NYMEX in accordance with its rules and regulations), as of the settlement of the last trading day for the contract month coincident with the effective date of the then most recent Reserve Report, and thereafter the price in effect at the end of such five year period.

“Agreement” means this Senior Term Credit Agreement, dated as of October 2, 2006, as it may be amended, supplemented or otherwise modified from time to time.

“Alternate Base Rate” means, for any day, a rate per annum equal to the greatest of (a) the Prime Rate in effect on such day, (b) the Base CD Rate in effect on such day plus 1% and (c) the Federal Funds Effective Rate in effect on such day plus ½ of 1%. Any change in the Alternate Base Rate due to a change in the Prime Rate or the Federal Funds Effective Rate shall be effective from and including the effective date of such change in the Prime Rate or the Federal Funds Effective Rate, respectively.

“Applicable Percentage” means, with respect to any Lender at any time, the percentage of the aggregate Commitment represented by such Lender’s Commitment at such time or, from and after the Effective Date, of the aggregate Loans represented by such Lender’s Loans. The initial amount of each Lender’s Applicable Percentage is as set forth on Schedule 2.01.

“Applicable Rate” means, for any day, Effective Date, a percentage determined in accordance with the table set forth below:

On and after	Applicable Rate for Eurocurrency Loans		Applicable Rate for ABR Loans
October 2, 2006	6.00	%	5.00	%
October 2, 2007	6.25	%	5.25	%
January 2, 2008	6.50	%	6.50	%

“Approved Counterparty” means, at any time and from time to time, (i) any Person engaged in the business of writing Swap Agreements for commodity, interest rate or currency risk that is acceptable to the Administrative Agent and has (or the credit support provider of such Person has), at the time Borrower or any Restricted Subsidiary enters into a Swap Agreement with such Person, a long term senior unsecured debt credit rating of BBB+ or better from S&P or Baa1 or better from ▇▇▇▇▇’▇ or (ii) any Lender Counterparty.

“Approved Fund” has the meaning assigned to such term in Section 11.04.

“Arrangers” means ▇.▇. ▇▇▇▇▇▇ Securities Inc. and Credit Suisse Securities (USA) LLC, in their capacity as joint bookrunners and co-lead arrangers.

“Assessment Rate” means, for any day, the annual assessment rate in effect on such day that is payable by a member of the Bank Insurance Fund classified as “well-capitalized” and within supervisory subgroup “B” (or a comparable successor risk classification) within the meaning of 12 C.F.R. Part 327 (or any successor provision) to the Federal Deposit Insurance Corporation for insurance by such Corporation of time deposits made in Dollars at the offices of such member in the United States; provided that if, as a result of any change in any law, rule or regulation, it is no longer possible to determine the Assessment Rate as aforesaid, then the Assessment Rate shall be such annual rate as shall be determined by the Administrative Agent to be representative of the cost of such insurance to the Lenders.

“Assignment and Assumption” means an assignment and assumption entered into by a Lender and an Eligible Assignee, and accepted by the Administrative Agent, in the form of Exhibit A or any other form approved by the Administrative Agent.

“Base CD Rate” means the sum of (a) the Three-Month Secondary CD Rate multiplied by the Statutory Reserve Rate plus (b) the Assessment Rate.

“Board” means the Board of Governors of the Federal Reserve System of the United States of America.

“Board of Directors” means (1) with respect to a corporation, the Board of Directors of the corporation or any committee thereof duly authorized to act on behalf of such board; (2) with respect to a partnership, the Board of Directors of the general partner of the partnership; (3) with respect to a limited liability company, the managing member or members or any controlling committee of managing members thereof; and (4) with respect to any other Person, the board or committee of such Person serving a similar function.

“Borrower” means EXCO Partners Operating Partnership, LP, a Delaware limited partnership, and its successors and permitted assigns.

“Borrower Materials” has the meaning assigned to such term in Section 6.01.

“Borrowing” means Loans of the same Type, made, converted or continued on the same date and, in the case of Eurodollar Loans, as to which a single Interest Period is in effect.

“Borrowing Base” means the borrowing base determined in accordance with the Revolving Facility Documents.

“Borrowing Base Properties” means all Oil and Gas Interests of the Borrower and the Restricted Subsidiaries evaluated by the lenders under the Revolving Facility for purposes of establishing the Borrowing Base, including the Midstream Assets, under the Revolving Facility (or, if the Revolving Facility has terminated, the Oil and Gas Interests of the Borrower and its Restricted Subsidiaries evaluated by the Lenders in a manner substantially similar to that used by the lenders under the Revolving Facility) but excluding the Excluded Properties.

“Borrowing Request” means a request by the Borrower for a Borrowing in accordance with Section 2.04.

“Business Day” means any day that is not a Saturday, Sunday or other day on which commercial banks in New York, New York or Dallas, Texas are authorized or required by law to remain closed; provided that, when used in connection with a Eurodollar Loan, the term “Business Day” shall also exclude any day on which banks are not open for dealings in dollar deposits in the London interbank market.

“Capex Reimbursement Obligation” means the obligation of the MLP to pay to EXCO up to $150,000,000 of the proceeds of the initial funding under this Agreement as a

reimbursement of certain capital expenditures incurred by EXCO and its Subsidiaries to acquire, develop and operate the Oil and Gas Interests owned by the Transferred Subsidiaries and the Texas Properties.

“Capital Expenditures” means, for any period, with respect to any Person, the aggregate of all expenditures that should be capitalized under GAAP on a consolidated balance sheet of such Person and its Subsidiaries for the acquisition or leasing (pursuant to a capital lease) of fixed or capital assets or additions to equipment (including replacements, capitalized repairs and improvements during such period) and for all other expenditures that are capitalized under full cost accounting methods, including land acquisition, seismic data, drill site preparatory work, drilling ▇▇▇▇▇, completing ▇▇▇▇▇, equipment and production facilities and other operations associated with connecting producing ▇▇▇▇▇ to gatherings systems and pipeline systems or processing facilities.

“Capital Lease Obligations” of any Person means the obligations of such Person to pay rent or other amounts under any lease of (or other arrangement conveying the right to use) real or personal property, or a combination thereof, which obligations are required to be classified and accounted for as capital leases on a balance sheet of such Person under GAAP, and the amount of such obligations shall be the capitalized amount thereof determined in accordance with GAAP.

“Change in Law” means (a) the adoption of any law, rule or regulation after the date of this Agreement, (b) any change in any law, rule or regulation or in the interpretation or application thereof by any Governmental Authority after the date of this Agreement or (c) compliance by any Lender (or, for purposes of Section 2.14(b), by any lending office of such Lender or by such Lender’s holding company, if any) with any request, guideline or directive (whether or not having the force of law) of any Governmental Authority made or issued after the date of this Agreement.

“Change of Control” means (a) the acquisition of greater than 50% of the voting or economic interest in the General Partner by any Person other than the MLP; (b) the General Partner shall cease to own and control, of record, beneficially and directly, 100% of the general partnership interest of the Borrower or cease to be the sole managing partner of the Borrower; (c) any “person” or “group” (as such terms are used in Sections 13(d) and 14(d) under the Exchange Act), other than EXCO, shall become, or obtain rights (whether by means or warrants, options or otherwise) to become, the “beneficial owner” (as defined in Rules 13(d)-3 and 13(d)-5 under the Exchange Act) directly or indirectly, of Equity Interests of the MLP that would entitle such person or group entitled to vote such Equity Interests representing, in the aggregate, more than 35% of the total amount of outstanding Equity Interests of the MLP at any annual meeting of the partners of the MLP or otherwise in the election of the Board of Directors of the General Partner or the MLP General Partner; (d) the failure, for any reason, of EXCO to own and control, directly or indirectly more than 50% of the voting and economic interests of the MLP General Partner; (e) the MLP General Partner shall cease to own and control, of record, beneficially and directly, 100% of the general partnership interest in the MLP or to be the sole managing partner

of the MLP; or (f) the occurrence of a “Change of Control” as such term is defined in the EXCO Credit Agreement.

“Charges” has the meaning assigned to such term in Section 11.13.

“Code” means the Internal Revenue Code of 1986, as amended from time to time.

“Collateral” means all assets, whether now owned or hereafter acquired by any Borrower or any other Credit Party, in which a Lien is granted or purported to be granted to any Secured Party as security for any Obligation.

“Commitment” means, with respect to each Lender, the commitment of such Lender to make Loans on the Effective Date. The amount of each Lender’s Commitment (which amount is such Lender’s Applicable Percentage of the aggregate Commitment) is set forth in Schedule 2.01. The original aggregate amount of the Commitments is $650,000,000.

“Consolidated Current Assets” means, as of any date of determination, the total of (i) the consolidated current assets of the Borrower and the Restricted Subsidiaries determined in accordance with GAAP as of such date and calculated on a combined basis, plus, all Unused Commitments (as defined in the Revolving Credit Agreement) as of such date, (ii) less any non-cash assets required to be included in consolidated current assets of the Borrower and the Restricted Subsidiaries as a result of the application of FASB Statement 133 as of such date.

“Consolidated Current Liabilities” means, as of any date of determination, the total of (i) consolidated current liabilities of the Borrower and the Restricted Subsidiaries, as determined in accordance with GAAP as of such date, (ii) less current maturities of the Revolving Loans, (iii) less any non-cash obligations required to be included in consolidated current liabilities of the Borrower and the Restricted Subsidiaries as a result of the application of FASB Statement 133 as of such date.

“Consolidated EBITDAX” means, with respect to the Borrower and its Restricted Subsidiaries for any period, Consolidated Net Income for such period; plus, without duplication and to the extent deducted in the calculation of Consolidated Net Income for such period, the sum of (a) income or franchise Taxes paid or accrued; (b) Consolidated Interest Expense; (c) amortization, depletion and depreciation expense; (d) any non-cash losses or charges on any Swap Agreement resulting from the requirements of FASB Statement 133 for that period; (e) oil and gas exploration expenses (including all drilling, completion, geological and geophysical costs) for such period; (f) losses from sales or other dispositions of assets (other than Hydrocarbons produced in the ordinary course of business) and other extraordinary or non-recurring losses; (g) workover expenses for such period, (h) cash payments made during such period as a result of the early termination of any Swap Agreement (giving effect to any netting agreements), and (i) other non-cash charges (excluding accruals for cash expenses made in the ordinary course of business); minus, to the extent included in the calculation of Consolidated Net Income for such period; (j) the sum of (1) any non-cash gains on any Swap Agreements resulting from the requirements of FASB Statement 133 for that period; (2) extraordinary or non-recurring

gains; and (3) gains from sales or other dispositions of assets (other than Hydrocarbons produced in the ordinary course of business); provided that, with respect to the determination of Borrower’s compliance with the leverage ratio set forth in Section 7.11(b) for any period, Consolidated EBITDAX shall be adjusted to give effect, on a pro forma basis, to any Acquisitions made during such period as if such Acquisitions were made at the beginning of such period.

“Consolidated Funded Indebtedness” means, as of any date and without duplication, Indebtedness of the Borrower and the Restricted Subsidiaries of the type described in clauses (a), (b), (c), (d), (e), (f), (g) or (h) of the definition of Indebtedness, minus Surplus Cash.

“Consolidated Interest Expense” means for any period, without duplication, the aggregate of all interest paid or accrued by the Borrower and its Restricted Subsidiaries, on a consolidated basis, in respect of Indebtedness of any such Person, on a consolidated basis, including all interest, fees and costs payable with respect to the obligations related to such Indebtedness (other than fees and costs which may be capitalized as transaction costs in accordance with GAAP) and the interest component of Capitalized Lease Obligations, all as determined in accordance with GAAP.

“Consolidated Net Income” means for any period, the consolidated net income (or loss) of the Borrower and its Consolidated Subsidiaries, as applicable, determined on a consolidated basis in accordance with GAAP; provided that there shall be excluded (a) the income (or deficit) of any Person accrued prior to the date it becomes a Consolidated Subsidiary of the Borrower, or is merged into or consolidated with the Borrower or any of its Consolidated Subsidiaries, as applicable, (b) the income (or deficit) of any Person in which any other Person (other than the Borrower or any of its Restricted Subsidiaries) has an Equity Interest, except to the extent of the amount of dividends or other distributions actually paid to the Borrower or any of its Restricted Subsidiaries during such period and (c) the undistributed earnings of any Consolidated Subsidiary of the Borrower, to the extent that the declaration or payment of dividends or similar distributions by such Consolidated Subsidiary is not at the time permitted by the terms of any contractual obligation (other than under any Loan Document) or by any law applicable to such Consolidated Subsidiary.

“Consolidated Subsidiaries” means, for any Person, any Subsidiary or other entity the accounts of which would be consolidated with those of such Person in its consolidated financial statements in accordance with GAAP.

“Control” means the possession, directly or indirectly, of the power to direct or cause the direction of the management or policies of a Person, whether through the ability to exercise voting power, by contract or otherwise. “Controlling” and “Controlled” have meanings correlative thereto.

“Counterpart Agreement” means a Counterpart Agreement substantially in the form of Exhibit C delivered by a Guarantor pursuant to Section 6.13.

“Credit Parties” means collectively, Borrower, and each Guarantor and each individually, a “Credit Party”.

“Crude Oil” means all crude oil and condensate.

“Default” means any event or condition which constitutes an Event of Default or which upon notice, lapse of time or both would, unless cured or waived, become an Event of Default.

“Disclosed Matters” means the actions, suits and proceedings and the environmental matters disclosed in Schedule 4.06.

“Disposition” means, with respect to any property, any sale, lease, sale and leaseback, assignment, conveyance, transfer or other disposition thereof. The terms “Dispose” and “Disposed of” shall have correlative meanings.

“Disqualified Stock” means any Equity Interest, which, by its terms (or by the terms of any security into which it is convertible or for which it is exchangeable), or upon the happening of any event, matures or is mandatorily redeemable, pursuant to a sinking fund obligation or otherwise, or is redeemable at the sole option of the holder thereof, in whole or in part, on or prior to the Maturity Date.

“Dollars” or “$” refers to lawful money of the United States of America.

“Domestic Subsidiary” means, with respect to any Person, a subsidiary of such Person that is incorporated or formed under the laws of the United States of America, any state thereof or the District of Columbia.

“ECF Consolidated Current Assets” means, at any date, all amounts (other than cash and Permitted Investments) that would, in conformity with GAAP, be set forth opposite the caption “total current assets” (or any like caption) on a consolidated balance sheet of the Borrower and its Restricted Subsidiaries at such date.

“ECF Consolidated Current Liabilities” means, at any date, all amounts that would, in conformity with GAAP, be set forth opposite the caption “total current liabilities” (or any like caption) on a consolidated balance sheet of the Borrower and its Restricted Subsidiaries at such date, but excluding (a) the current portion of any Funded Debt of the Borrower and its Restricted Subsidiaries and (b) without duplication of clause (a) above, all Indebtedness consisting of Revolving Loans to the extent otherwise included therein.

“ECF Consolidated Working Capital” means, at any date, the excess of ECF Consolidated Current Assets on such date over ECF Consolidated Current Liabilities on such date.

“Effective Date” means the date on which the conditions specified in Section 5.01 are satisfied (or waived in accordance with Section 11.02).

“Eligible Account” has the meaning assigned to such term in Section 6.15.

“Eligible Assignee” means any Person that qualifies as an assignee pursuant to Section 11.04(b)(i); provided that notwithstanding the foregoing, “Eligible Assignee” shall not include the Borrower or any of the Borrower’s Affiliates or Subsidiaries.

“Engineered Value” means, the value attributed to the Borrowing Base Properties pursuant to the terms of the Revolving Facility Documents (or, if the Revolving Facility has terminated, on terms substantially similar to those provided for in the Revolving Facility Documents), based upon the discounted present value of the estimated net cash flow to be realized from the production of Hydrocarbons from the Borrowing Base Properties as set forth in the Reserve Report.

“Environmental Laws” means all laws, rules, regulations, codes, ordinances, orders, decrees, judgments, injunctions, notices or binding agreements issued, promulgated or entered into by any Governmental Authority, relating in any way to the environment, preservation or reclamation of natural resources, the management, release or threatened release of any Hazardous Material or to health and safety matters.

“Environmental Liability” means any liability, contingent or otherwise (including any liability for damages, costs of environmental remediation, fines, penalties or indemnities), of any Credit Party directly or indirectly resulting from or based upon (a) violation of any Environmental Law, (b) the generation, use, handling, transportation, storage, treatment or disposal of any Hazardous Materials, (c) exposure to any Hazardous Materials, (d) the release or threatened release of any Hazardous Materials into the environment or (e) any contract, agreement or other consensual arrangement pursuant to which liability is assumed or imposed with respect to any of the foregoing.

“Equity Contribution Agreement” means the Second Amended and Restated Equity Contribution Agreement, dated as of October 13, 2006, among the Equity Contributor, the Borrower and the Administrative Agent, as it may be amended, supplemented or otherwise modified from time to time.

“Equity Contributor” means EXCO Resources, Inc., a Texas corporation.

“Equity Interests” means shares of capital stock, partnership interests, membership interests in a limited liability company, beneficial interests in a trust or other equity ownership interests in a Person, and any warrants, options or other rights entitling the holder thereof to purchase or acquire any such equity interest.

“ERISA” means the Employee Retirement Income Security Act of 1974, as amended from time to time.

“ERISA Affiliate” means any trade or business (whether or not incorporated) that, together with any Credit Party, is treated as a single employer under Section 414(b) or (c) of the

Code or, solely for purposes of Section 302 of ERISA and Section 412 of the Code, is treated as a single employer under Section 414 of the Code.

“ERISA Event” means (a) any “reportable event”, as defined in Section 4043 of ERISA or the regulations issued thereunder with respect to a Plan (other than an event for which the 30-day notice period is waived); (b) the existence with respect to any Plan of an “accumulated funding deficiency” (as defined in Section 412 of the Code or Section 302 of ERISA), whether or not waived; (c) the filing pursuant to Section 412(d) of the Code or Section 303(d) of ERISA of an application for a waiver of the minimum funding standard with respect to any Plan; (d) the incurrence by any Credit Party or any of its ERISA Affiliates of any liability under Title IV of ERISA with respect to the termination of any Plan; (e) the receipt by any Credit Party or any ERISA Affiliate from the PBGC or a plan administrator of any notice relating to an intention to terminate any Plan or Plans or to appoint a trustee to administer any Plan; (f) the incurrence by any Credit Party or any of its ERISA Affiliates of any liability with respect to the withdrawal or partial withdrawal from any Plan or Multiemployer Plan; or (g) the receipt by any Credit Party or any ERISA Affiliate of any notice, or the receipt by any Multiemployer Plan from any Credit Party or any ERISA Affiliate of any notice, concerning the imposition of Withdrawal Liability or a determination that a Multiemployer Plan is, or is expected to be, insolvent or in reorganization, within the meaning of Title IV of ERISA.

“Eurodollar”, when used in reference to any Loan or Borrowing, refers to whether such Loan, or the Loans comprising such Borrowing, are bearing interest at a rate determined by reference to the Adjusted LIBO Rate.

“Event of Default” has the meaning assigned to such term in Article IX.

“Excluded Properties” means certain Oil and Gas Interests acquired by the Borrower or its Restricted Subsidiaries in connection with the Winchester Acquisition and located in ▇▇▇▇▇ County, Mississippi and Montague, Foard, ▇▇▇▇▇▇▇, ▇▇▇▇▇ and Nacogdoches Counties, Texas.

“Excluded Taxes” means, with respect to the Administrative Agent, any Lender or any other recipient of any payment to be made by or on account of any obligation of the Borrower hereunder, (a) income or franchise taxes imposed on (or measured by) its net income by the United States of America, or by the jurisdiction under the laws of which such recipient is organized or in which its principal office is located or, in the case of any Lender, in which its applicable lending office is located, (b) any branch profits taxes imposed by the United States of America or any similar tax imposed by any other jurisdiction in which the Borrower is located and (c) in the case of a Foreign Lender (other than an assignee pursuant to a request by the Borrower under Section 2.18(b)), any withholding tax that is imposed on amounts payable to such Foreign Lender at the time such Foreign Lender becomes a party to this Agreement (or designates a new lending office) or is attributable to such Foreign Lender’s failure to comply with Section 2.16(e), except to the extent that such Foreign Lender (or its assignor, if any) was entitled, at the time of designation of a new lending office (or assignment), to receive additional amounts from the Borrower with respect to such withholding tax pursuant to Section 2.16(a).

‘‘Excess Cash Flow”: for any fiscal year of the Borrower, the excess, if any, of (a) the sum, without duplication, of (i) Consolidated Net Income for such fiscal year, (ii) the amount of all non-cash charges (including depletion, depreciation and amortization) deducted in arriving at such Consolidated Net Income, (iii) decreases in ECF Consolidated Working Capital for such fiscal year, and (iv) the aggregate net amount of non-cash loss on the Disposition of property by the Borrower and its Restricted Subsidiaries during such fiscal year (other than sales of inventory in the ordinary course of business), to the extent deducted in arriving at such Consolidated Net Income over (b) the sum, without duplication, of (i) the amount of all non-cash credits included in arriving at such Consolidated Net Income, (ii) the aggregate amount actually paid by the Borrower and its Restricted Subsidiaries in cash during such fiscal year on account of Capital Expenditures (excluding the principal amount of Indebtedness incurred in connection with such expenditures and any such expenditures financed with the proceeds of any Reinvestment Deferred Amount), (iii) the aggregate amount of all optional prepayments of the Loans during such fiscal year, (iv) the aggregate amount of all regularly scheduled principal payments of Consolidated Funded Indebtedness (including the Loans) of the Borrower and its Restricted Subsidiaries made during such fiscal year (other than in respect of any revolving credit facility to the extent there is not an equivalent permanent reduction in commitments thereunder), (v) increases in ECF Consolidated Working Capital for such fiscal year, (vi) the aggregate net amount of non-cash gain on the Disposition of property by the Borrower and its Restricted Subsidiaries during such fiscal year (other than sales of inventory in the ordinary course of business), to the extent included in arriving at such Consolidated Net Income and (vii) prepayments of Revolving Loans made pursuant to Section 2.12(a) of the Revolving Credit Agreement in connection with any Scheduled Redetermination (as such term is defined in the Revolving Credit Agreement) made on the Redetermination Date (as such term is defined in the Revolving Credit Agreement) occurring on the April 1 immediately preceding the relevant Excess Cash Flow Application Date.

“Excess Cash Flow Application Date” has the meaning assigned to such term in Section 2.10(b).

“EXCO” means EXCO Resources, Inc., a Texas corporation, and its successors and assigns.

“EXCO Agreements” means, collectively, (i) that certain Administrative Services Agreement, dated as of October 2, 2006, by and among the Borrower, the MLP General Partner and certain of the MLP Subsidiaries, (ii) that certain Omnibus Agreement, dated as of October 2, 2006, by and among the Borrower and certain of the MLP Subsidiaries, and (iii) the other agreements, certificates and instruments executed and delivered in connection with the agreements described in the foregoing clauses (i) and (ii), all as amended, supplemented or modified from time to time as permitted by this Agreement.

“EXCO Contribution Agreement” means that certain Contribution, Conveyance and Assumption Agreement dated October 2, 2006 by and among EXCO and certain of its Subsidiaries and the Borrower and certain of its Subsidiaries, together with the additional conveyance documents and instruments contemplated or referenced thereunder.

“EXCO Contribution Documents” means, collectively, (i) the EXCO Contribution Agreement, (ii) the EXCO Agreements and (iii) the other agreements, certificates and instruments executed and delivered in connection with the agreements described in the foregoing clauses (i) and (ii), all as amended, supplemented or modified from time to time as permitted by this Agreement.

“EXCO Credit Agreement” means that certain Amended and Restated Credit Agreement, dated March 17, 2006, among EXCO, as borrower, certain subsidiaries of EXCO as guarantors, the financial institutions from time to time a party thereto as lenders and JPMorgan Chase Bank, N.A., as administrative agent, as amended, modified, supplemented or restated from time to time.

“EXCO Operating” means EXCO Operating, LP, a Delaware limited partnership and its successors and assigns.

“EXCO Transfers and Conversions” means, collectively, (a) the conveyance by EXCO and its Subsidiaries of the Texas Properties and the Equity Interests of Merger Sub to the Borrower as a capital contribution to the Borrower, (b) the conveyance by EXCO of the Equity Interests of ROJO Pipeline to the Borrower and the General Partner as a capital contribution, (c) the conversion of ROJO Pipeline from a Delaware limited liability company to a Delaware limited partnership, (d) the conveyance by EXCO of all of the Equity Interests of the Borrower, the General Partner and TXOK Resources Holdings to the MLP, in exchange for Equity Interests of the MLP representing 100% of the outstanding Equity Interests of the MLP on the Effective Date the incurrence by the MLP of the CapEx Reimbursement Obligation and the MLP Rights, (e) the conveyance by the MLP of all of the Equity Interests of TXOK Resources Holdings to the Borrower as a capital contribution, (f) the conveyance by the General Partner of all of the general partnership interests of ROJO Pipeline to TXOK Resources Holdings and the conveyance by TXOK Resources Holdings of such general partnership interests to TXOK Texas Holdings, (g) the conveyance by the Borrower of all of the limited partnership interests of ROJO Pipeline to TXOK Resources Holdings as a capital contribution.

“Existing Swap Agreements” means, collectively, (i) the existing Swap Agreements between one or more of the Persons acquired by the Borrower on the Effective Date pursuant to the Winchester Acquisition and any Lender Counterparty and defined as the “Winchester ▇▇▇▇▇▇” in the Winchester Merger Agreement, (ii) the existing Swap Agreements between one or more of the Persons that became Restricted Subsidiaries of the Borrower on the Effective Date pursuant to the EXCO Transfers and Conversions and any Lender Counterparty and described on Schedule 1.01(a) and (iii) the existing Swap Agreements to which a Lender Counterparty is a party that will be assigned to Borrower and its Subsidiaries on the Effective Date and described on Schedule 1.01(a).

“FASB” means Financial Accounting Standards Board.

“Federal Funds Effective Rate” means, for any day, the weighted average (rounded upwards, if necessary, to the next 1/100 of 1%) of the rates on overnight Federal funds

transactions with members of the Federal Reserve System arranged by Federal funds brokers, as published on the next succeeding Business Day by the Federal Reserve Bank of New York, or, if such rate is not so published for any day that is a Business Day, the average (rounded upwards, if necessary, to the next 1/100 of 1%) of the quotations for such day for such transactions received by the Administrative Agent from three Federal funds brokers of recognized standing selected by it.

“Foreign Lender” means any Lender that is organized under the laws of a jurisdiction other than that in which any Credit Party is located. For purposes of this definition, the United States of America, each State thereof and the District of Columbia shall be deemed to constitute a single jurisdiction.

“Funded Debt” means, as to any Person, all Indebtedness of such Person that matures more than one year from the date of its creation or matures within one year from such date but is renewable or extendible, at the option of such Person, to a date more than one year from such date or arises under a revolving credit or similar agreement that obligates the lender or lenders to extend credit during a period of more than one year from such date, including all current maturities and current sinking fund payments in respect of such Indebtedness whether or not required to be paid within one year from the date of its creation and, in the case of the Borrower, Indebtedness in respect of the Loans.

“GAAP” means generally accepted accounting principles in the United States of America.

“Gas Balancing Agreement” means any agreement or arrangement whereby the Borrower or any Restricted Subsidiary, or any other party having an interest in any Hydrocarbons to be produced from Oil and Gas Interests in which the Borrower or any Restricted Subsidiary owns an interest, has a right to take more than its proportionate share of production therefrom.

“General Partner” means EXCO Partners OLP GP, LLC, a Delaware limited liability company, and its successors and permitted assigns.

“Governmental Authority” means the government of the United States of America, any other nation or any political subdivision thereof, whether state or local, and any agency, authority, instrumentality, regulatory body, court, central bank or other entity properly exercising executive, legislative, judicial, taxing, regulatory or administrative powers or functions of or pertaining to government.

“Guarantee” of or by any Person (in this definition, the “guarantor”) means any obligation, contingent or otherwise, of the guarantor guaranteeing or having the economic effect of guaranteeing any Indebtedness or other obligation of any other Person (the “primary obligor”) in any manner, whether directly or indirectly, and including any obligation of the guarantor, direct or indirect, (a) to purchase or pay (or advance or supply funds for the purchase or payment of) such Indebtedness or other obligation or to purchase (or to advance or supply funds for the

purchase of) any security for the payment thereof, (b) to purchase or lease property, securities or services for the purpose of assuring the owner of such Indebtedness or other obligation of the payment thereof, (c) to maintain working capital, equity capital or any other financial statement condition or liquidity of the primary obligor so as to enable the primary obligor to pay such Indebtedness or other obligation or (d) as an account party in respect of any letter of credit or letter of guaranty issued to support such Indebtedness or obligation; provided, that the term Guarantee shall not include endorsements for collection or deposit in the ordinary course of business.

“Guaranteed Liabilities” has the meaning assigned to such term in Section 8.01.

“Guarantor” means each Restricted Subsidiary that is a party hereto or hereafter executes and delivers to the Administrative Agent and the Lenders, a Counterpart Agreement pursuant to Section 6.13 or otherwise.

“Hazardous Materials” means all explosive or radioactive substances or wastes and all hazardous or toxic substances, wastes or other pollutants, including petroleum or petroleum distillates, asbestos or asbestos containing materials, polychlorinated biphenyls, radon gas, infectious or medical wastes and all other substances or wastes of any nature regulated pursuant to any Environmental Law.

“Hydrocarbons” means all Crude Oil and Natural Gas produced from or attributable to the Oil and Gas Interests of the Credit Parties.

“Indebtedness” of any Person means, without duplication, (a) all obligations of such Person for borrowed money or with respect to deposits or advances of any kind, (b) all obligations of such Person evidenced by bonds, debentures, notes or similar instruments, (c) all obligations of such Person upon which interest charges are paid, (d) all obligations of such Person under conditional sale or other title retention agreements relating to property acquired by such Person, (e) all obligations of such Person in respect of the deferred purchase price of property or services (excluding current accounts payable incurred in the ordinary course of business), (f) all Indebtedness of others secured by (or for which the holder of such Indebtedness has an existing right, contingent or otherwise, to be secured by) any Lien on property owned or acquired by such Person, whether or not the Indebtedness secured thereby has been assumed, (g) all Guarantees by such Person of Indebtedness of others, (h) all Capital Lease Obligations of such Person, (i) all obligations, contingent or otherwise, of such Person as an account party in respect of letters of credit and letters of guaranty and (j) all obligations, contingent or otherwise, of such Person in respect of bankers’ acceptances. The Indebtedness of any Person shall include the Indebtedness of any other entity (including any partnership in which such Person is a general partner) to the extent such Person is liable therefor as a result of such Person’s ownership interest in or other relationship with such entity, except to the extent the terms of such Indebtedness provide that such Person is not liable therefor.

“Indemnified Taxes” means Taxes other than Excluded Taxes.

“Indemnitee” has the meaning assigned to such term in Section 11.03.

“Information” has the meaning assigned to such term in Section 11.12.

“Initial Public Offering” means a sale by the MLP of its Equity Interests in an underwritten (firm commitment) initial public offering registered under the Securities Act of 1933 resulting in the listing of such Equity Interests on a nationally recognized stock exchange, including without limitation, the NASDAQ National Market System or the New York Stock Exchange.

“Intercreditor Agreement” means an Intercreditor Agreement by and among the Administrative Agent, the Revolving Agent, and the Credit Parties, dated the date hereof and in form and substance satisfactory to the Lenders, as amended, modified, supplemented or restated from time to time.

“Interest Election Request” means a request by the Borrower to convert or continue a Borrowing in accordance with Section 2.07.

“Interest Payment Date” means (a) with respect to any ABR Loan, the last day of each calendar quarter and (b) with respect to any Eurodollar Loan, the last day of the Interest Period applicable to the Borrowing of which such Loan is a part and, in the case of a Eurodollar Borrowing with an Interest Period of more than three months’ duration, each day prior to the last day of such Interest Period that occurs at intervals of three months’ duration after the first day of such Interest Period.

“Interest Period” means with respect to any Eurodollar Borrowing, the period commencing on the date of such Borrowing and ending on the numerically corresponding day in the calendar month that is one, two, three or six months thereafter, as the Borrower may elect; provided, that (i) if any Interest Period would end on a day other than a Business Day, such Interest Period shall be extended to the next succeeding Business Day unless such next succeeding Business Day would fall in the next calendar month, in which case such Interest Period shall end on the next preceding Business Day and (ii) any Interest Period that commences on the last Business Day of a calendar month (or on a day for which there is no numerically corresponding day in the last calendar month of such Interest Period) shall end on the last Business Day of the last calendar month of such Interest Period. For purposes hereof, the date of a Borrowing initially shall be the date on which such Borrowing is made.

“IPO Date” means the date the Initial Public Offering and the Rights Offering are consummated.

“Lender Counterparty” means any Lender or any Affiliate of a Lender Counterparty to a Swap Agreement with any Credit Party.

“Lenders” means the Persons listed on Schedule 2.01 and any other Person that shall have become a party hereto pursuant to an Assignment and Assumption, other than any such Person that ceases to be a party hereto pursuant to an Assignment and Assumption.

“LIBO Rate” means, with respect to any Eurodollar Borrowing for any Interest Period, the rate appearing on Page 3750 of the Moneyline Telerate Service (or on any successor or substitute page of such Service, or any successor to or substitute for such Service, providing rate quotations comparable to those currently provided on such page of such Service, as determined by the Administrative Agent from time to time for purposes of providing quotations of interest rates applicable to dollar deposits in the London interbank market) at approximately 11:00 a.m., London time, two Business Days prior to the commencement of such Interest Period, as the rate for dollar deposits with a maturity comparable to such Interest Period. In the event that such rate is not available at such time for any reason, then the “LIBO Rate” with respect to such Eurodollar Borrowing for such Interest Period shall be the rate at which dollar deposits of $5,000,000 and for a maturity comparable to such Interest Period are offered by the principal London office of the Administrative Agent in immediately available funds in the London interbank market at approximately 11:00 a.m., London time, two Business Days prior to the commencement of such Interest Period.

“Lien” means, with respect to any asset, (a) any mortgage, deed of trust, lien, pledge, hypothecation, encumbrance, charge or security interest in, on or of such asset, (b) the interest of a vendor or a lessor under any conditional sale agreement, capital lease or title retention agreement (or any financing lease having substantially the same economic effect as any of the foregoing) relating to such asset and (c) in the case of securities, any purchase option, call or similar right of a third party with respect to such securities.

“Loan Documents” means this Agreement, any promissory notes executed in connection herewith, Security Instruments, the Fee Letter, the Intercreditor Agreement and any other agreements executed in connection with this Agreement.

“Loans” means the loans made by the Lenders to the Borrower pursuant to this Agreement.

“Material Adverse Effect” means a material adverse effect on (a) the assets or properties, financial condition, businesses or operations of the Borrower and its Subsidiaries taken as a whole, (b) the ability of any Credit Party to carry out its business as of the date of this Agreement or as proposed at the date of this Agreement to be conducted, (c) the ability of any Credit Party to perform fully and on a timely basis its respective obligations under any of the Loan Documents to which it is a party, or (d) the validity or enforceability of any of the Loan Documents or the rights and remedies of the Administrative Agent or the Lenders under this Agreement and the other Loan Documents.

“Material Domestic Subsidiary” means any Domestic Subsidiary that owns or holds assets, properties or interests (including Oil and Gas Interests) with an aggregate fair market value, on a consolidated basis, greater than five percent (5%) of the aggregate fair market

value of all of the assets, properties and interests (including Oil and Gas Interests) of the Borrower and the Restricted Subsidiaries, on a consolidated basis.

“Material Gas Imbalance” means, with respect to all Gas Balancing Agreements to which Borrower or any Restricted Subsidiary is a party or by which any Oil and Gas Interests owned by Borrower or a Restricted Subsidiary is bound, a net overproduced gas imbalance to Borrower and the Restricted Subsidiaries, taken as a whole, in excess of $5,000,000.

“Material Indebtedness” means Indebtedness permitted under Section 7.01(h) and any other Indebtedness (other than the Loans), or obligations in respect of one or more Swap Agreements, of the Borrower or any one or more of the Restricted Subsidiaries in an aggregate principal amount exceeding $5,000,000. For purposes of determining Material Indebtedness, the “principal amount” of the obligations of the Borrower or any Guarantor in respect of any Swap Agreement at any time shall be the maximum aggregate amount (giving effect to any netting agreements) that the Borrower or such Guarantor would be required to pay if such Swap Agreement were terminated at such time.

“Material Sales Contract” means, as of any date of determination, any agreement for the sale of Hydrocarbons from the Borrowing Base Properties to which the Borrower or any Restricted Subsidiary is a party if the aggregate volume of Hydrocarbons sold pursuant to such agreement during the twelve months immediately preceding such date equals or exceeds 10% of the aggregate volume of Hydrocarbons sold by the Borrower and the Restricted Subsidiaries, on a consolidated basis, from the Borrowing Base Properties during the twelve months immediately preceding such date.

“Maturity Date” means October 2, 2011.

“Maximum Liability” has the meaning assigned to such term in Section 8.10.

“Maximum Rate” has the meaning assigned to such term in Section 11.13.

“Merger Sub” means Winchester Acquisition, LLC, a Delaware limited liability company, and its successors.

“Midstream Assets” has the meaning assigned to such term in the Winchester Merger Agreement.

“MLP” means EXCO Partners, LP, a Delaware limited partnership.

“MLP General Partner” means EXCO GP Partners, LP, a Delaware limited partnership, and its successors and permitted assigns.

“MLP Rights” means the rights to buy Equity Interests of the MLP issued by the MLP to EXCO as part of the consideration for the assets and properties contributed to the MLP by EXCO and its Subsidiaries pursuant to the EXCO Contribution Agreement.

“Moody’s” means ▇▇▇▇▇’▇ Investors Service, Inc.

“Mortgaged Properties” means the Oil and Gas Interests described in one or more duly executed, delivered and filed Mortgages evidencing a Lien prior and superior in right to any other Person (except Liens created pursuant to the Revolving Facility Documents) in favor of the Administrative Agent for the benefit of the Secured Parties and subject only to the Liens permitted pursuant to Section 7.02.

“Mortgages” means all mortgages, deeds of trust, amendments to mortgages, security agreements, assignments of production, pledge agreements, collateral mortgages, collateral chattel mortgages, collateral assignments, financing statements and other documents, instruments and agreements evidencing, creating, perfecting or otherwise establishing the Liens required by Section 6.09. All Mortgages shall be in form and substance satisfactory to Administrative Agent in its sole discretion.

“Multiemployer Plan” means a multiemployer plan as defined in Section 4001(a)(3) of ERISA.

“Natural Gas” means all natural gas, distillate or sulphur, natural gas liquids and all products recovered in the processing of natural gas (other than condensate) including, without limitation, natural gasoline, coalbed methane gas, casinghead gas, iso-butane, normal butane, propane and ethane (including such methane allowable in commercial ethane).

“Net Cash Proceeds” means, with respect to the sale of Borrowing Base Properties by the Borrower or any Restricted Subsidiary, the excess, if any, of (a) the sum of cash and cash equivalents received in connection with such sale, but only as and when so received, over (b) the sum of (i) the principal amount of any Indebtedness that is secured by such asset and that is required to be repaid in connection with the sale thereof (other than the Loans and the Revolving Loans), (ii) the out-of-pocket expenses incurred by the Borrower or such Restricted Subsidiary in connection with such sale, (iii) all legal, title and recording tax expense and all federal, state, provincial, foreign and local taxes required to be accrued as a liability under GAAP as a consequence of such sale, (iv) all distributions and other payments required to be made to minority interest holders in Restricted Subsidiaries as a result of such sale, (v) the deduction of appropriate amounts provided by the seller as a reserve, in accordance with GAAP, against any liabilities associated with the property or other assets disposed of in such sale and retained by the Borrower or any Restricted Subsidiary after such sale, (vi) cash payments made to satisfy obligations resulting from early terminations of Swap Agreements in connection with or as a result of any such sale of Borrowing Base Properties, and (vii) any portion of the purchase price from such sale placed in escrow, whether as a reserve for adjustment of the purchase price, for satisfaction of indemnities in respect of such sale or otherwise in connection with such sale; provided however, that upon the termination of that escrow, Net Cash Proceeds will be increased by any portion of funds in the escrow that are released to the Borrower or any Restricted Subsidiary.

“Net Working Capital” means, on any date of determination, the sum of (a) Consolidated Current Assets as of such date (calculated without including Unused Commitments (as defined in the Revolving Credit Agreement) as of such date) minus (b) Consolidated Current Liabilities as of such date.

“Non-Consenting Lender” has the meaning assigned to such term in Section 2.18(c).

“NPV” means, as of any date of the determination, the sum of (i) with respect to any proved and probable reserves expected to be produced from any undivided interests in Borrowing Base Properties, the net present value, discounted at 10% per annum, of the future net revenues expected to accrue to any Credit Party’s interests in such reserves (after deducting all existing burdens) during the remaining expected economic lives of such reserves plus (ii) Pipeline EBITDA for the trailing 12 month period ending on the date of the determination multiplied by ten. Each calculation of such expected future net revenues with respect to the proved and probable reserves shall be made in accordance with the then existing guidelines established by the Securities and Exchange Commission for valuing Oil and Gas Interests or, in the case of probable reserves, the Society of Petroleum Engineers; provided that in any event (a) appropriate deductions shall be made for severance and ad valorem taxes, and for operating (including purchasing and injecting water), gathering, transportation and marketing costs required for the production and sale of such reserves including annual increases in such costs of 3% per year, (b) the pricing assumptions and escalations used in determining the net present value of proved and probable reserves for any particular reserves shall be the Agreed Pricing (or any other pricing assumptions to which the Borrower and the Required Lenders may agree) and (c) appropriate deductions shall be made for capital expenditures (including plugging and abandonment costs and annual increases in the cost of such capital expenditures of at least 3% per year) approved in writing by the Administrative Agent in which internal cash flow is available to support such expenditures. For each date of determination, net present value shall be calculated hereunder based on the then most recent Reserve Report, either by the Borrower, by the Administrative Agent, or by the engineering firm who prepares such Reserve Report; in the event of any conflict, the Administrative Agent’s calculation shall be conclusive and final.

“Obligations” means any and all obligations of every nature, contingent or otherwise, whether now existing or hereafter arising, of any Credit Party from time to time owed to the Administrative Agent, the Lenders or any of them or any Lender Counterparty arising under or in connection with any Loan Document or Swap Agreement (including, any and all obligations, contingent or otherwise, whether now existing or hereafter arising, of any Credit Party under any Existing Swap Agreement and any and all obligations, contingent or otherwise, whether now existing or hereafter arising, of any Credit Party with respect to any transactions under any Swap Agreement with any Person that was a Lender Counterparty at the time such Credit Party entered into such transactions regardless of whether such Person is no longer a Lender Counterparty), whether for principal, interest, payments for early termination of Swap Agreements, funding indemnification amounts, fees, expenses, indemnification or otherwise.

“Off-Balance Sheet Liability” of a Person means (i) any repurchase obligation or liability of such Person with respect to accounts or notes receivable sold by such Person, (ii) any liability under any Sale and Leaseback Transaction which is not a Capital Lease Obligation, (iii) any liability under any so-called “synthetic lease” transaction entered into by such Person, (iv) any Material Gas Imbalance, (v) any Advance Payment Contract, or (vi) any obligation arising with respect to any other transaction which is the functional equivalent of or takes the place of borrowing but which does not constitute a liability on the balance sheets of such Person, but excluding from the foregoing clauses (iii) through (vi) operating leases and usual and customary oil, gas and mineral leases.

“Oil and Gas Interest(s)” means: (a) direct and indirect interests in and rights with respect to oil, gas, mineral and related properties and assets of any kind and nature, direct or indirect, including, without limitation, working, royalty and overriding royalty interests, mineral interests, leasehold interests, production payments, operating rights, net profits interests, other non-working interests, contractual interests, non-operating interests and rights in any pooled, unitized or communitized acreage by virtue of such interest being a part thereof; (b) interests in and rights with respect to Hydrocarbons other minerals or revenues therefrom and contracts and agreements in connection therewith and claims and rights thereto (including oil and gas leases, operating agreements, unitization, communitization and pooling agreements and orders, division orders, transfer orders, mineral deeds, royalty deeds, oil and gas sales, exchange and processing contracts and agreements and, in each case, interests thereunder), and surface interests, fee interests, reversionary interests, reservations and concessions related to any of the foregoing; (c) easements, rights-of-way, licenses, permits, leases, and other interests associated with, appurtenant to, or necessary for the operation of any of the foregoing; (d) interests in oil, gas, water, disposal and injection ▇▇▇▇▇, equipment and machinery (including well equipment and machinery), oil and gas production, gathering, transmission, compression, treating, processing and storage facilities (including tanks, tank batteries, pipelines and gathering systems), pumps, water plants, electric plants, gasoline and gas processing plants, refineries and other tangible or intangible, movable or immovable, real or personal property and fixtures located on, associated with, appurtenant to, or necessary for the operation of any of the foregoing; and (e) all seismic, geological, geophysical and engineering records, data, information, maps, licenses and interpretations.

“Organizational Documents” means (a) with respect to any corporation, its certificate or articles of incorporation or organization, as amended, and its by-laws, as amended, (b) with respect to any limited partnership, its certificate of limited partnership, as amended, and its partnership agreement, as amended, (c) with respect to any general partnership, its partnership agreement, as amended, and (d) with respect to any limited liability company, its certificate of formation or articles of organization, as amended, and its limited liability company agreement or operating agreement, as amended.

“Other Taxes” means any and all present or future stamp or documentary taxes or any other excise or property taxes, charges or similar levies arising from any payment made hereunder or from the execution, delivery or enforcement of, or otherwise with respect to, this Agreement.

“Participant” has the meaning assigned to such term in Section 11.04.

“Payment Currency” has the meaning assigned to such term in Section 8.07.

“PBGC” means the Pension Benefit Guaranty Corporation referred to and defined in ERISA and any successor entity performing similar functions.

“Permitted Encumbrances” means:

(a) Liens imposed by law for Taxes that are not yet due or are being contested in compliance with Section 6.04;

(b) carriers’, warehousemen’s, mechanics’, materialmen’s, repairmen’s and other like Liens imposed by law, and contractual Liens granted to operators and non-operators under oil and gas operating agreements, in each case, arising in the ordinary course of business or incident to the exploration, development, operation and maintenance of Oil and Gas Interests and securing obligations that are not overdue by more than 30 days or are being contested in compliance with Section 6.04;

(c) pledges and deposits made in the ordinary course of business in compliance with workers’ compensation, unemployment insurance and other social security laws or regulations;

(d) deposits to secure the performance of bids, trade contracts, leases, statutory obligations, surety and appeal bonds, performance bonds and other obligations of a like nature, in each case in the ordinary course of business;

(e) judgment liens in respect of judgments that do not constitute an Event of Default under clause (k) of Article IX;

(f) easements, zoning restrictions, rights-of-way, servitudes, permits, surface leases, and similar encumbrances on real property imposed by law or arising in the ordinary course of business that do not secure any monetary obligations and do not materially detract from the value of the affected property or interfere with the ordinary conduct of business of any Credit Party;

(g) royalties, overriding royalties, reversionary interests and similar burdens with respect to the Oil and Gas Interests owned by the Borrower or such Restricted Subsidiary, as the case may be, if the net cumulative effect of such burdens does not operate to deprive the Borrower or any Restricted Subsidiary of any material right in respect of its assets or properties (except for rights customarily granted with respect to such interests);

(h) Liens arising from Uniform Commercial Code financing statement filings regarding operating leases entered into by the Borrower or any Restricted Subsidiary in the ordinary course of business covering the property under the lease; and

(i) preferential rights to purchase, and provisions requiring a third party’s consent prior to assignment and similar restraints on alienation, in each case, granted pursuant to an oil and gas operating agreement and arising in the ordinary course of business or incident to the exploration, development, operation and maintenance of Oil and Gas Interests; provided such right, requirement or restraint does not material affect the value of such Oil and Gas Interests;

provided that the term “Permitted Encumbrances” shall not include any Lien securing Indebtedness (other than contractual Liens described in the foregoing clause (b) granted to operators and non-operators under oil and gas operating agreements to the extent the obligations secured by such Liens constitute Indebtedness).

“Permitted Investments” means:

(a) U.S. Government Securities;

(b) investments in demand and time deposit accounts, certificates of deposit and money market deposits maturing within 180 days of the date of acquisition thereof issued by a bank or trust company which is organized under the laws of the United States of America, any State thereof or any foreign country recognized by the United States of America, and which bank or trust company has capital, surplus and undivided profits aggregating in excess of $50,000,000 (or the foreign currency equivalent thereof) and has outstanding debt which is rated “A” (or such similar equivalent rating) or higher by at least one nationally recognized statistical rating organization (as defined in Rule 436 under the Securities Act of 1933, as amended) or any money-market fund sponsored by a registered broker dealer or mutual fund distributor;

(c) investments in deposits available for withdrawal on demand with any commercial bank that is organized under the laws of any country in which the Borrower or any Restricted Subsidiary maintains an office or is engaged in the oil and gas business; provided, however, that (i) all such deposits have been made in such accounts in the ordinary course of business and (ii) such deposits do not at any one time exceed $10,000,000 in the aggregate;

(d) repurchase obligations with a term of not more than 30 days for underlying securities of the types described in clause (a) above entered into with a bank meeting the qualifications described in clause (b) above;

(e) investments in commercial paper, maturing not more than 90 days after the date of acquisition, issued by a corporation (other than an Affiliate or the Borrower) organized and in existence under the laws of the United States of America or any foreign country recognized by the United States of America with a rating at the time as of which any investment therein is made of “P-1” (or higher) according to ▇▇▇▇▇’▇ or “A-l” (or higher) according to S&P;

(f) investments in securities with maturities of six months or less from the date of acquisition issued or fully guaranteed by any state, commonwealth or territory of the

United States of America, or by any political subdivision or taxing authority thereof, and rated at least “A” by S&P or “A” by ▇▇▇▇▇’▇; and

(g) investments in money market funds that invest substantially all their assets in securities of the types described in clauses (a) through (f) above

“Person” means any natural person, corporation, limited liability company, trust, joint venture, association, company, partnership, Governmental Authority or other entity.

“PFC” means Progress Fuels Corporation, a Florida corporation, and its successors.

“Pipeline Assets” means the Borrower’s and its Restricted Subsidiaries’ pipelines and natural gas gathering lines used to transport Natural Gas produced by any Person.

“Pipeline EBITDA” means for any period, and to the extent it relates to the Pipeline Assets of the Borrower and its Restricted Subsidiaries, the Consolidated Net Income of such Pipeline Assets for such period; plus, without duplication and to the extent deducted in the calculation of such Consolidated Net Income for such period, the sum of (a) income or franchise Taxes paid or accrued; (b) amortization, depletion and depreciation expense; (c) losses from sales or other dispositions and other extraordinary or non-recurring losses; and (d) other non-cash charges (excluding accruals for cash expenses made in the ordinary course of business); minus, to the extent included in the calculation of such Consolidated Net Income for such period, (e) the sum of (1) extraordinary or non-recurring gains and (2) gains from sales or other dispositions.

“Plan” means any employee pension benefit plan (other than a Multiemployer Plan) subject to the provisions of Title IV of ERISA or Section 412 of the Code or Section 302 of ERISA, and in respect of which any Credit Party or any ERISA Affiliate is (or, if such plan were terminated, would under Section 4069 of ERISA be deemed to be) an “employer” as defined in Section 3(5) of ERISA.

“Platform” has the meaning assigned to such term in Section 6.01.

“Pledge Agreement” means a Pledge and Security Agreement in favor of the Administrative Agent for the benefit of the Secured Parties covering, among other things, the rights and interests of Borrower or any Restricted Subsidiary in the Equity Interest of each Restricted Subsidiary and otherwise in form and substance satisfactory to the Administrative Agent and the Required Lenders.

“Prime Rate” means the rate of interest per annum publicly announced from time to time by JPMorgan Chase Bank, N.A. as its prime rate in effect at its principal office in New York City, each change in the Prime Rate shall be effective from and including the date such change is publicly announced as being effective. THE PRIME RATE IS A REFERENCE RATE AND MAY NOT BE JPMORGAN CHASE BANK N.A.’S LOWEST RATE.

“Projections” means the Borrower’s forecasted (a) balance sheets, (b) profit and loss statements, and (c) cash flow statements, all prepared on a basis consistent with the historical financial statements described in Section 4.04 and after giving effect to the Transactions, together with appropriate supporting details and a statement of underlying assumptions, in each case in form and substance satisfactory to the Lenders.

“Public Lender” has the meaning assigned to such term in Section 6.01.

“Register” has the meaning assigned to such term in Section 11.04.

“Reinvestment Deferred Amount” has the meaning assigned to such term in Section 7.03(a).

“Related Parties” means, with respect to any specified Person, such Person’s Affiliates and the respective directors, officers, employees, agents and advisors of such Person and such Person’s Affiliates.

“Required Lenders” means, at any time, Lenders having at least 51% of the aggregate unpaid principal amount of the Loans then outstanding.

“Reserve Report” means an unsuperseded engineering analysis of the Borrowing Base Properties, in form and substance reasonably acceptable to the Revolving Agent (or, if the Revolving Facility has been terminated, the Administrative Agent), prepared in accordance with customary and prudent practices in the petroleum engineering industry.

“Responsible Officer” means the chief executive officer, president, vice president, chief financial officer, principal accounting officer, treasurer or assistant treasurer of a Credit Party. Any document delivered hereunder that is signed by a Responsible Officer of a Credit Party shall be conclusively presumed to have been authorized by all necessary corporate, partnership and/or other action on the part of such Credit Party and such Responsible Officer shall be conclusively presumed to have acted on behalf of such Credit Party.

“Restricted Payment” means any dividend or other distribution (whether in cash, securities or other property) with respect to any Equity Interests in any Credit Party, or any payment (whether in cash, securities or other property), including any sinking fund or similar deposit, on account of the purchase, redemption, retirement, acquisition, cancellation or termination of any such Equity Interests in any Credit Party or any option, warrant or other right to acquire any such Equity Interests in any Credit Party.

“Restricted Subsidiary” means any Subsidiary that is not an Unrestricted Subsidiary.

“Revolving Agent” means JPMorgan Chase Bank, N.A. in its capacity as contractual representative of the financial institutions and other Persons from time to time a party to the Revolving Facility and any successor agent appointed pursuant to the terms of the Revolving Facility Documents.

“Revolving Credit Agreement” means that certain Senior Revolving Credit Agreement dated October 2, 2006, by and among Borrower, certain Subsidiaries of Borrower and JPMorgan Chase Bank, N.A., as administrative agent.

“Revolving Facility” means the revolving loan facility evidenced by the Revolving Facility Documents.

“Revolving Facility Documents” means the Revolving Credit Agreement and any promissory notes executed in connection therewith, security instruments and any other agreements executed in connection with such Senior Revolving Credit Agreement as the same may be amended, modified, supplemented or restated from time to time to the extent permitted under this Agreement.

“Revolving Loans” means the revolving loans made under the Revolving Facility.

“Rights Offering” means the exercise of the MLP Rights by the holders thereof and the payment of the consideration for such Equity Interests.

“ROJO Pipeline” means ROJO Pipeline, Inc., a Texas corporation, and following its conversion to a partnership, ROJO Pipeline, LP, a Delaware limited partnership.

“S&P” means Standard & Poor’s Ratings Group, a division of The McGraw Hill Corporation.

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

“Secured Party” means the Administrative Agent, any Lender and any Lender Counterparty and shall include any Lender Counterparty to the extent that any Obligations owing to such Lender Counterparty arise under hedging transactions entered into at the time such Person was a Lender or Lender Counterparty.

“Security Instruments” means collectively, all Guarantees of the Obligations evidenced by the Loan Documents and all mortgages, security agreements, pledge agreements, collateral assignments and other collateral documents covering the Oil and Gas Interests of the Borrower and the Restricted Subsidiaries and the Equity Interests of the Restricted Subsidiaries and other personal property, equipment, oil and gas inventory and proceeds of the foregoing, all such documents to be in form and substance reasonably satisfactory to the Administrative Agent.

“Statutory Reserve Rate” means a fraction (expressed as a decimal), the numerator of which is the number one and the denominator of which is the number one minus the aggregate of the maximum reserve percentages (including any marginal, special, emergency or supplemental reserves) expressed as a decimal established by the Board to which the Administrative Agent is subject (a) with respect to the Base CD Rate, for new negotiable nonpersonal time deposits in Dollars over $100,000 with maturities approximately equal to three months and (b) with respect to the Adjusted LIBO Rate, for eurocurrency funding (currently

referred to as “Eurocurrency Liabilities” in Regulation D of the Board). Such reserve percentages shall include those imposed pursuant to such Regulation D. Eurodollar Loans shall be deemed to constitute eurocurrency funding and to be subject to such reserve requirements without benefit of or credit for proration, exemptions or offsets that may be available from time to time to any Lender under such Regulation D or any comparable regulation. The Statutory Reserve Rate shall be adjusted automatically on and as of the effective date of any change in any reserve percentage.

“Subsidiary” means, with respect to any Person (the “parent”) at any date, any corporation, limited liability company, partnership, association or other entity the accounts of which would be consolidated with those of the parent in the parent’s consolidated financial statements if such financial statements were prepared in accordance with GAAP as of such date, as well as any other corporation, limited liability company, partnership, association or other entity (a) of which securities or other ownership interests representing more than 50% of the equity or more than 50% of the ordinary voting power or, in the case of a partnership, more than 50% of the general partnership interests are, as of such date, owned, controlled or held, or (b) that is, as of such date, otherwise Controlled, by the parent or one or more subsidiaries of the parent or by the parent and one or more subsidiaries of the parent any subsidiary of the Borrower. Unless the context otherwise clearly requires, references herein to a “Subsidiary” refer to a Subsidiary of the Borrower.

“Surplus Cash” means the lesser of (i) cash and cash equivalents of the Borrower and its Restricted Subsidiaries, on a consolidated basis that constitute Permitted Investments and (ii) the amount by which Net Working Capital exceeds zero ($0.00).

“Swap Agreement” means any agreement with respect to any swap, forward, future or derivative transaction or option or similar agreement involving, or settled by reference to, one or more rates, currencies, commodities, equity or debt instruments or securities, or economic, financial or pricing indices or measures of economic, financial or pricing risk or value or any similar transaction or any combination of these transactions; provided that no phantom stock or similar plan providing for payments only on account of services provided by current or former directors, officers, employees or consultants of the Credit Parties shall be a Swap Agreement.

“Target” means Winchester Energy Company, Ltd., a Texas limited partnership.

“Taxes” means any and all present or future taxes, levies, imposts, duties, deductions, charges or withholdings imposed by any Governmental Authority.

“Texas Properties” means certain Oil and Gas Interests owned by EXCO or EXCO Operating and located in Cherokee, Houston, Polk, Limestone, ▇▇▇▇ and ▇▇▇▇▇ Counties, Texas.

“Three-Month Secondary CD Rate” means, for any day, the secondary market rate for three-month certificates of deposit reported as being in effect on such day (or, if such day

is not a Business Day, the next preceding Business Day) by the Board through the public information telephone line of the Federal Reserve Bank of New York (which rate will, under the current practices of the Board, be published in Federal Reserve Statistical Release H.15(519) during the week following such day) or, if such rate is not so reported on such day or such next preceding Business Day, the average of the secondary market quotations for three-month certificates of deposit of major money center banks in New York City received at approximately 10:00 a.m., New York City time, on such day (or, if such day is not a Business Day, on the next preceding Business Day) by the Administrative Agent from three negotiable certificate of deposit dealers of recognized standing selected by it.

“Transactions” means the (i) the execution, delivery and performance by the Credit Parties of this Agreement and the Loan Documents, (ii) the borrowing of Loans, (iii) the use of the proceeds thereof, (iv) the execution, delivery and performance of the Revolving Facility Documents, (v) the funding of the Revolving Loans, (vi) the consummation of the Winchester Acquisition and (vii) the consummation of the EXCO Transfers and Conversions.

“Transferred Subsidiaries” means any Subsidiary of the Borrower (or any such Subsidiary’s predecessor) that was a “Restricted Subsidiary” under and as defined in the EXCO Credit Agreement prior to the consummation of the EXCO Transfers and Conversions.

“TXOK Resources Holdings” means TXOK Energy Resources Holdings L.L.C., a Delaware limited liability company, and its successors.

“TXOK Texas Holdings” means TXOK Texas Energy Holdings LLC, a Delaware limited liability company, and its successors.

“Type”, when used in reference to any Loan or Borrowing, refers to whether the rate of interest on such Loan, or on the Loans comprising such Borrowing, is determined by reference to the Adjusted LIBO Rate or the Alternate Base Rate.

“Unrestricted Subsidiary” means (a) any Subsidiary that at the time of determination shall be designated an Unrestricted Subsidiary by the Board of Directors of the Borrower in the manner provided below and (b) any Subsidiary of an Unrestricted Subsidiary. The Board of Directors of the Borrower may designate any Subsidiary (including any newly acquired or newly formed Subsidiary) to be an Unrestricted Subsidiary unless such Subsidiary or any of its Subsidiaries is a Material Domestic Subsidiary or a Subsidiary owning Oil and Gas Interests included in the Borrowing Base Properties.

“U.S. Government Securities” means direct obligations of, or obligations the principal of and interest on which are unconditionally guaranteed by, the United States of America (or by any agency thereof to the extent such obligations are backed by the full faith and credit of the United States of America), in each case maturing within one year from the date of acquisition thereof.

“WGC Holdco” means WGC Holdco, LLC, a Texas limited liability company and the general partner of the Target.

“Winchester Acquisition” means the acquisition of all of the issued and outstanding Equity Interests of Target from PFC pursuant to the Winchester Merger Agreement.

“Winchester Acquisition Documents” means the Winchester Merger Agreement and all other certificates and other documents and instruments now or hereafter executed and delivered by, between or among the Borrower, Merger Sub, Target, WGC Holdco and PFC pursuant to the Winchester Merger Agreement or in connection with the Winchester Acquisition.

“Winchester Merger Agreement” means, collectively, that certain Agreement and Plan of Merger by and among PFC, Target, WGC Holdco and Merger Sub dated as of July 22, 2006 as amended by the First Amendment to Agreement and Plan of Merger, dated September 28, 2006.

“Withdrawal Liability” means liability to a Multiemployer Plan as a result of a complete or partial withdrawal from such Multiemployer Plan, as such terms are defined in Part I of Subtitle E of Title IV of ERISA.

Section 1.02. Types of Loans and Borrowings. For purposes of this Agreement, Loans may be classified and referred to by Type (e.g., a “Eurodollar Loan”) and Borrowings also may be classified and referred to by Type (e.g., a “Eurodollar Borrowing”).

Section 1.03. Terms Generally. The definitions of terms herein shall apply equally to the singular and plural forms of the terms defined. Whenever the context may require, any pronoun shall include the corresponding masculine, feminine and neuter forms. The words “include”, “includes” and “including” shall be deemed to be followed by the phrase “without limitation”. The word “will” shall be construed to have the same meaning and effect as the word “shall.” Unless the context requires otherwise (a) any definition of or reference to any agreement, instrument or other document herein shall be construed as referring to such agreement, instrument or other document as from time to time amended, supplemented or otherwise modified (subject to any restrictions on such amendments, supplements or modifications set forth herein), (b) any reference herein to any Person shall be construed to include such Person’s successors and assigns, (c) the words “herein”, “hereof” and “hereunder”, and words of similar import, shall be construed to refer to this Agreement in its entirety and not to any particular provision hereof, (d) all references herein to Articles, Sections, Exhibits and Schedules shall be construed to refer to Articles and Sections of, and Exhibits and Schedules to, this Agreement and (e) the words “asset” and “property” shall be construed to have the same meaning and effect and to refer to any and all tangible and intangible assets and properties, including cash, securities, accounts and contract rights.

Section 1.04. Accounting Terms; GAAP. Except as otherwise expressly provided herein, all terms of an accounting or financial nature shall be construed in accordance with GAAP, as in effect from time to time; provided that, if the Borrower notifies the Administrative

Agent that the Borrower request an amendment to any provision hereof to eliminate the effect of any change occurring after the date hereof in GAAP or in the application thereof on the operation of such provision (or if the Administrative Agent notifies the Borrower that the Required Lenders request an amendment to any provision hereof for such purpose), regardless of whether any such notice is given before or after such change in GAAP or in the application thereof, then such provision shall be interpreted on the basis of GAAP as in effect and applied immediately before such change shall have become effective until such notice shall have been withdrawn or such provision amended in accordance herewith.

Section 1.05. Oil and Gas Definitions. For purposes of this Agreement, the terms “proved or proven reserves,” “proved developed reserves,” “proved or proven undeveloped reserves,” “proved or proven developed nonproducing reserves” and “proved or proven developed producing reserves,” have the meaning given such terms from time to time and at the time in question by the Society of Petroleum Engineers of the American Institute of Mining Engineers.

Section 1.06. Time of Day. Unless otherwise specified, all references to times of day shall be references to Central time (daylight or standard, as applicable).

Section 1.07. Second Priority Creditors. The Secured Parties are hereby designated “Second Priority Creditors” for all purposes under and as defined in the Intercreditor Agreement and the Security Instruments are hereby designated “Second Priority Security Instruments” for all purposes under and as defined in the Intercreditor Agreement.

Article II

The Credits

Section 2.01. Commitments. Subject to the terms and conditions set forth herein, each Lender agrees to make Loans to the Borrower on the Effective Date in an aggregate principal amount not to exceed the amount of the Commitment of such Lender. The Loans may from time to time be Eurodollar Loans or ABR Loans, as determined by the Borrower and notified to the Administrative Agent in accordance with Sections 2.04 and 2.07.

Section 2.02. Repayment of Loans. On the 2nd day of each October prior to the Maturity Date, commencing October 2, 2007, the Borrower shall repay the Loans in the principal amount equal to one percent (1%) of the aggregate original outstanding principal balance of the Loans; and on the Maturity Date, the Borrower shall repay the outstanding principal balance of the Loans in full.

Section 2.03. Reserved.

Section 2.04. Requests for Borrowings. To request that the Lenders make Loans on the Effective Date, the Borrower shall notify the Administrative Agent of such request by telephone (a) in the case of a Eurodollar Borrowing, not later than 11:00 a.m., three Business Days before

the date of the proposed Eurodollar Borrowing or (ii) in the case of an ABR Borrowing, not later than 11:00 a.m., one Business Day before the proposed Effective Date. Such telephonic Borrowing Request shall be irrevocable and shall be confirmed promptly by hand delivery or telecopy to the Administrative Agent of a written Borrowing Request in a form approved by the Administrative Agent and signed by the Borrower. Such telephonic and written Borrowing Request shall specify the following information:

(i) the aggregate amount of the requested Borrowing;

(ii) the date of the proposed Effective Date, which shall be a Business Day;

(iii) whether such Borrowing is to be an ABR Borrowing or a Eurodollar Borrowing;

(iv) in the case of a Eurodollar Borrowing, the initial Interest Period to be applicable thereto, which shall be a period contemplated by the definition of the terms “Interest Period”; and

(v) the location and number of the Borrower’s account to which funds are to be disbursed, which shall comply with the requirements of Section 2.06.

Promptly following receipt of the Borrowing Request in accordance with this Section, the Administrative Agent shall advise each Lender of the details thereof and of the amount of such Lender’s Loan to be made as part of the requested Borrowing.

Section 2.05. [Reserved]

Section 2.06. Funding of Borrowings. Each Lender shall make each Loan to be made by it hereunder on the proposed Effective Date by wire transfer of immediately available funds by 12:00 noon to the account of the Administrative Agent most recently designated by it for such purpose by notice to the Lenders. The Administrative Agent will make such Loans available to the Borrower by promptly crediting the amounts so received, in like funds, to an Eligible Account of the Borrower designated by the Borrower in the Borrowing Request.

Section 2.07. Interest Elections.

(a) The Loans made on the Effective Date shall be either ABR Borrowings or Eurodollar Borrowings. Thereafter, the Borrower may elect to convert such Loans to a different Type or to continue such Loans and, in the case of Eurodollar Loans, may elect Interest Periods therefor, all as provided in this Section. The Borrower may elect different options with respect to different portions of the Loans, in which case each such portion shall be allocated ratably among the Lenders holding the Loans.

(b) To make an election pursuant to this Section, the Borrower shall notify the Administrative Agent of such election by telephone (a) in the case of a conversion into or

a continuation as a Eurodollar Loan, not later than 11:00 a.m., three Business Days before the date of the proposed election or (b) in the case of a conversion into or a continuation as an ABR Loan, not later than 11:00 a.m., one Business Day before the date of the proposed election. Each such telephonic Interest Election Request shall be irrevocable and shall be confirmed promptly by hand delivery or telecopy to the Administrative Agent of a written Interest Election Request in a form approved by the Administrative Agent and signed by the Borrower.

(c) Each telephonic and written Interest Election Request shall specify the following information in compliance with Section 2.03:

(i) the Borrowing to which such Interest Election Request applies and, if different options are being elected with respect to different portions thereof, the portions thereof to be allocated to each resulting Borrowing (in which case the information to be specified pursuant to clauses (iii) and (iv) below shall be specified for each resulting Borrowing);

(ii) the effective date of the election made pursuant to such Interest Election Request, which shall be a Business Day;

(iii) whether the resulting Borrowing is to be an ABR Borrowing or a Eurodollar Borrowing; and

(iv) if the resulting Borrowing is a Eurodollar Borrowing, the Interest Period to be applicable thereto after giving effect to such election, which shall be a period contemplated by the definition of the term “Interest Period”; except that the Interest Period for any Eurodollar Borrowing requested during the 30 day period following the Effective Date shall be of one month’s duration, unless otherwise agreed by the Borrower and the Administrative Agent.

If any such Interest Election Request requests a Eurodollar Borrowing but does not specify an Interest Period, then the Borrower shall be deemed to have selected an Interest Period of one month’s duration.

(d) Promptly following receipt of an Interest Election Request, the Administrative Agent shall advise each Lender of the details thereof and of such Lender’s portion of the resulting Borrowing.

(e) If the Borrower fails to deliver a timely Interest Election Request with respect to a Eurodollar Borrowing prior to the end of the Interest Period applicable thereto, then, unless such Borrowing is repaid as provided herein, at the end of such Interest Period such Borrowing shall be converted to an ABR Borrowing. Notwithstanding any contrary provision hereof, if an Event of Default has occurred and is continuing and the Administrative Agent, at the request of the Required Lenders, so notifies the Borrower, then, so long as an Event of Default is continuing (i) no

outstanding Borrowing may be converted to or continued as a Eurodollar Borrowing and (ii) unless repaid, each Eurodollar Borrowing shall be converted to an ABR Borrowing at the end of the Interest Period applicable thereto.

(f) All conversions and continuations of Eurodollar Loans shall be in an aggregate amount that is an integral multiple of $1,000,000 and not less than $1,000,000. All conversions and continuations of ABR Loans shall be in an aggregate amount that is an integral multiple of $100,000 and not less than $100,000. Loans of more than one Type may be outstanding at the same time; provided that there shall not at any time be more than a total of four (4) Eurodollar Borrowings outstanding.

Section 2.08. Repayment of Loans; Evidence of Debt.

(a) The Borrower hereby unconditionally promises to pay to the Administrative Agent for the account of each Lender the then unpaid principal amount of each Loan on the Maturity Date.

(b) 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, including the amounts of principal and interest payable and paid to such Lender from time to time hereunder.

(c) The Administrative Agent shall maintain accounts in which it shall record (i) the amount of each Loan made hereunder, the Class and Type thereof and the Interest Period applicable thereto, (ii) the amount of any principal or interest due and payable or to become due and payable from the Borrower to each Lender hereunder and (iii) the amount of any sum received by the Administrative Agent hereunder for the account of the Lenders and each Lender’s share thereof.

(d) The entries made in the accounts maintained pursuant to paragraph (b) or (c) of this Section shall be prima facie evidence of the existence and amounts of the obligations recorded therein; provided that the failure of any Lender or the Administrative Agent to maintain such accounts or any error therein shall not in any manner affect the obligation of the Borrower to repay the Loans in accordance with the terms of this Agreement.

(e) Any Lender or Participant may request that Loans made by it be evidenced by a promissory note. In such event, the Borrower shall prepare, execute and deliver to such Lender or Participant a promissory note payable to the order of such Lender or Participant (or, if requested by such Lender or Participant, to such Lender or Participant and its registered assigns) and in a form approved by the Administrative Agent. Thereafter, the Loans evidenced by such promissory note and interest thereon shall at all times (including after assignment pursuant to Section 11.04) be represented by one or more promissory notes in such form payable to the order of the payee named therein (or, if such promissory note is a registered note, to such payee and its registered assigns).

Section 2.09. Optional Prepayment of Loans.

(a) The Borrower shall have the right at any time and from time to time to prepay the Loans in whole and or in part, subject to prior notice in accordance with paragraph (b) of this Section.

(b) The Borrower shall notify the Administrative Agent by telephone (confirmed by telecopy) of any prepayment hereunder (i) in the case of prepayment of Eurodollar Loans, not later than 11:00 a.m. three Business Days before the date of prepayment or (ii) in the case of prepayment of an ABR Loan, not later than 11:00 a.m. one Business Day before the date of prepayment. Each such notice shall be irrevocable and shall specify the prepayment date and the principal amount of the Loans or portion thereof to be prepaid. Promptly following receipt of any such notice relating to the Loans, the Administrative Agent shall advise the Lenders of the contents thereof. Each partial prepayment of the Loans shall be in an amount that would be permitted in the case of conversion or continuation of the same Type as provided in Section 2.07(f). Each prepayment of the Loans shall be applied ratably to the Loans outstanding. Prepayments shall be accompanied by accrued interest to the extent required by Section 2.12.

(c) Optional prepayments of Loans shall be at par plus a premium. The premium shall be (i) during the period from the Effective Date to and including the first anniversary thereof, 2% of the aggregate principal amount prepaid, (ii) during the period commencing after the first anniversary of the Effective Date to and including the second anniversary of the Effective Date, 1% of the aggregate principal amount prepaid, and (iii) after the second anniversary of the Effective Date, 0%.

Section 2.10. Mandatory Prepayment of Loans.

(a) On or within five (5) days after the IPO Date, the Borrower shall prepay in full all of the Loans and promptly thereafter cause all of the Liens securing such Loans to be released and terminated.

(b) If, for any fiscal year of the Borrower commencing with the fiscal year ending December 31, 2007, there shall be Excess Cash Flow, the Borrower shall, on the relevant Excess Cash Flow Application Date, apply 100% of such Excess Cash Flow toward the prepayment of the Loans as set forth in Section 2.10(e). Each such prepayment shall be made on a date (an “Excess Cash Flow Application Date”) no later than the later of (i) April 15 of the current fiscal year and (ii) five Business Days after the date on which the financial statements of the Borrower referred in Section 6.01(a) for the fiscal year with respect to which such prepayment is made are actually delivered.

(c) The Borrower shall prepay the Loans as provided in Section 7.03(a).

(d) The Borrower shall prepay the Loans with the proceeds of any Equity Contribution (as defined in the Equity Contribution Agreement) on the date of receipt of such proceeds.

(e) Amounts applied to the prepayment of the Loans pursuant to this Section shall be first applied ratably to ABR Loans then outstanding and, upon payment in full of all outstanding ABR Loans, second, to Eurodollar Loans then outstanding, and if more than one Eurodollar Borrowing is then outstanding, to each such Eurodollar Borrowing beginning with the Eurodollar Borrowing with the least number of days remaining in the Interest Period applicable thereto and ending with the Eurodollar Borrowing with the most number of days remaining in the Interest Period applicable thereto, subject to the payment of any funding indemnification amounts required by Section 2.15 but without penalty or premium.

(f) Mandatory prepayments of Loans required by Sections 2.10(b) and 2.10(d) shall be at par. Mandatory prepayments of Loans required by Section 2.10(a) shall be at par plus a premium. The premium shall be (i) during the period from the Effective Date to and including the first anniversary thereof, 2% of the aggregate principal amount prepaid, (ii) during the period commencing after the first anniversary of the Effective Date to and including the second anniversary of the Effective Date, 1% of the aggregate principal amount prepaid, and (iii) after the second anniversary of the Effective Date, 0%.

Section 2.11. Fees.

(a) The Borrower agrees to pay to the Administrative Agent, for its own account, fees payable in the amounts and at the times separately agreed upon between the Borrower and the Administrative Agent.

(b) All fees payable hereunder shall be paid on the dates due, in immediately available funds, to the Administrative Agent. Fees paid shall not be refundable under any circumstances.

Section 2.12. Interest.

(a) The ABR Loans comprising each ABR Borrowing shall bear interest at the Alternate Base Rate plus the Applicable Rate.

(b) The Eurodollar Loans shall bear interest at the Adjusted LIBO Rate for the Interest Period in effect for such Loans plus the Applicable Rate.

(c) Notwithstanding the foregoing, if any principal of or interest on any Loan or any fee or other amount payable by the Borrower hereunder is not paid when due, whether at stated maturity, upon acceleration or otherwise, such overdue amount shall bear interest, after as well as before judgment, at a rate per annum equal to (i) in the case

of overdue principal of any Loan, 2% plus the rate otherwise applicable to such Loan as provided in the preceding paragraphs of this Section or (ii) in the case of any other amount, 2% plus the rate applicable to ABR Loans as provided in paragraph (a) of this Section.

(d) Accrued interest on each Loan shall be payable in arrears on each Interest Payment Date for such Loan and on the Maturity Date; provided that (i) interest accrued pursuant to paragraph (c) of this Section shall be payable on demand, (ii) in the event of any repayment or prepayment of any Loan, accrued interest on the principal amount repaid or prepaid shall be payable on the date of such repayment or prepayment and (iii) in the event of any conversion of any Eurodollar Loan prior to the end of the current Interest Period therefor, accrued interest on such Loan shall be payable on the effective date of such conversion.

(e) All interest hereunder shall be computed on the basis of a year of 360 days, except that interest computed by reference to the Alternate Base Rate at times when the Alternate Base Rate is based on the Prime Rate shall be computed on the basis of a year of 365 days (or 366 days in a leap year), and in each case shall be payable for the actual number of days elapsed (including the first day but excluding the last day). The applicable Alternate Base Rate, Adjusted LIBO Rate or LIBO Rate shall be determined by the Administrative Agent, and such determination shall be conclusive absent manifest error.

Section 2.13. Alternate Rate of Interest. If prior to the commencement of any Interest Period for a Eurodollar Borrowing:

(a) the Administrative Agent determines (which determination shall be conclusive absent manifest error) that adequate and reasonable means do not exist for ascertaining the Adjusted LIBO Rate or the LIBO Rate, as applicable, for such Interest Period; or

(b) the Administrative Agent is advised by the Required Lenders that the Adjusted LIBO Rate or the LIBO Rate, as applicable, for such Interest Period will not adequately and fairly reflect the cost to such Lenders (or Lender) of making or maintaining their Loans (or its Loan) included in such Borrowing for such Interest Period;

then the Administrative Agent shall give notice thereof to the Borrower and the Lenders by telephone or telecopy as promptly as practicable thereafter and, until the Administrative Agent notifies the Borrower and the Lenders that the circumstances giving rise to such notice no longer exist, any Interest Election Request that requests the conversion of any Borrowing to, or continuation of any Borrowing as, a Eurodollar Borrowing shall be ineffective.

Section 2.14. Increased Costs.

(a) If any Change in Law shall:

(i) impose, modify or deem applicable any reserve, special deposit or similar requirement against assets of, deposits with or for the account of, or credit extended by, any Lender (except any such reserve requirement reflected in the Adjusted LIBO Rate); or

(ii) impose on any Lender or the London interbank market any other condition affecting this Agreement or Eurodollar Loans made by such Lender;

and the result of any of the foregoing shall be to increase the cost to such Lender of making or maintaining any Eurodollar Loan (or of maintaining its obligation to make any such Loan) or to reduce the amount of any sum received or receivable by such Lender hereunder (whether of principal, interest or otherwise), then the Borrower will pay to such Lender such additional amount or amounts as will compensate such Lender for such additional costs incurred or reduction suffered.

(b) If any Lender determines that any Change in Law regarding capital requirements has or would have the effect of reducing the rate of return on such Lender’s capital or on the capital of such Lender’s holding company, if any, as a consequence of this Agreement or the Loans made by such Lender to a level below that which such Lender or such Lender’s holding company could have achieved but for such Change in Law (taking into consideration such Lender’s policies and the policies of such Lender’s holding company with respect to capital adequacy), then from time to time the Borrower will pay to such Lender such additional amount or amounts as will compensate such Lender or such Lender’s holding company for any such reduction suffered.

(c) A certificate of a Lender setting forth (i) the amount or amounts reasonably necessary to compensate such Lender or its holding company, as the case may be, as specified in paragraph (a) or (b) of this Section, (ii) the factual basis for such compensation and (iii) the manner in which such amount or amounts were calculated shall be delivered to the Borrower. Such certificate shall be conclusive absent manifest error. The Borrower shall pay such Lender the amount shown as due on any such certificate within 10 days after receipt thereof.

(d) Failure or delay on the part of any Lender to demand compensation pursuant to this Section shall not constitute a waiver of such Lender’s right to demand such compensation; provided that the Borrower shall not be required to compensate a Lender pursuant to this Section for any increased costs or reductions incurred more than 180 days prior to the date that such Lender notifies the Borrower of the Change in Law giving rise to such increased costs or reductions and of such Lender’s intention to claim compensation therefor; provided further that, if the Change in Law giving rise to such

increased costs or reductions is retroactive, then the 180-day period referred to above shall be extended to include the period of retroactive effect thereof.

Section 2.15. Break Funding Payments. In the event of (a) the payment of any principal of any Eurodollar Loan other than on the last day of an Interest Period applicable thereto (including as a result of an Event of Default), (b) the conversion of any Eurodollar Loan other than on the last day of the Interest Period applicable thereto, (c) the failure to borrow, convert, continue or prepay any Eurodollar Loan on the date specified in any notice delivered pursuant hereto (regardless of whether such notice may be revoked under Section 2.09(b) and is revoked in accordance therewith), (d) the assignment of any Eurodollar Loan other than on the last day of the Interest Period applicable thereto as a result of a request by the Borrower pursuant to Section 2.18, then, in any such event, the Borrower shall compensate each Lender for the loss, cost and expense attributable to such event. In the case of a Eurodollar Loan, such loss, cost or expense to any Lender shall be deemed to include an amount determined by such Lender to be the excess, if any, of (i) the amount of interest which would have accrued on the principal amount of such Loan had such event not occurred, at the Adjusted LIBO Rate that would have been applicable to such Loan, for the period from the date of such event to the last day of the then current Interest Period therefor (or, in the case of a failure to borrow, convert or continue, for the period that would have been the Interest Period for such Loan), over (ii) the amount of interest which would accrue on such principal amount for such period at the interest rate which such Lender would bid were it to bid, at the commencement of such period, for dollar deposits of a comparable amount and period from other banks in the eurodollar market. A certificate of any Lender setting forth any amount or amounts that such Lender is entitled to receive pursuant to this Section shall be delivered to the Borrower and shall be conclusive absent manifest error. The Borrower shall pay such Lender the amount shown as due on any such certificate within 10 days after receipt thereof.

Section 2.16. Taxes.

(a) Any and all payments by or on account of any obligation of the Borrower hereunder shall be made free and clear of and without deduction for any Indemnified Taxes or Other Taxes; provided that if the Borrower shall be required to deduct any Indemnified Taxes or Other Taxes from such payments, then (i) 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) the Administrative Agent or Lender (as the case may be) receives an amount equal to the sum it would have received had no such deductions been made, (ii) the Borrower shall make such deductions and (iii) the Borrower shall pay the full amount deducted to the relevant Governmental Authority in accordance with applicable law.

(b) In addition, the Borrower shall pay any Other Taxes to the relevant Governmental Authority in accordance with applicable law.

(c) The Borrower shall indemnify the Administrative Agent and each Lender, within 10 days after written demand therefor, for the full amount of any Indemnified

Taxes or Other Taxes paid by the Administrative Agent or such Lender, as the case may be, on or with respect to any payment by or on account of any obligation of the Borrower hereunder (including Indemnified Taxes or Other Taxes imposed or asserted on or attributable to amounts payable under this Section) and any penalties, interest and reasonable expenses arising therefrom or with respect thereto, whether or not such Indemnified Taxes or Other Taxes were correctly or legally imposed or asserted by the relevant Governmental Authority. A certificate delivered to the Borrower by a Lender or by the Administrative Agent on its own behalf or on behalf of a Lender, setting forth (i) the amount of such payment or liability reasonably necessary to compensate the Administrative Agent or such Lender, as the case may be, (ii) the factual basis for such compensation and (iii) the manner in which such amount or amounts were calculated, shall be conclusive absent manifest error.

(d) As soon as practicable after any payment of Indemnified Taxes or Other Taxes by the Borrower to a Governmental Authority, the Borrower shall deliver to the Administrative Agent the original or a certified copy of a receipt issued by such Governmental Authority evidencing such payment, a copy of the return reporting such payment or other evidence of such payment reasonably satisfactory to the Administrative Agent.

(e) Any Foreign Lender that is entitled to an exemption from or reduction of withholding tax under the law of the jurisdiction in which the Borrower is located, or any treaty to which such jurisdiction is a party, with respect to payments under this Agreement 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 or reasonably requested by the Borrower as will permit such payments to be made without withholding or at a reduced rate.

(f) If the Administrative Agent or a Lender determines, in its sole discretion, that it has received a refund of any Taxes or Other Taxes as to which it has been indemnified by the Borrower or with respect to which the Borrower have paid additional amounts pursuant to this Section 2.16, it shall pay over such refund to the Borrower (but only to the extent of indemnity payments made, or additional amounts paid, by the Borrower under this Section 2.16 with respect to the Taxes or Other Taxes giving rise to such refund), net of all out-of-pocket expenses of the Administrative Agent or such Lender and without interest (other than any interest paid by the relevant Governmental Authority with respect to such refund); provided, that the Borrower, upon the request of the Administrative Agent or such Lender, agrees to repay the amount paid over to the Borrower (plus any penalties, interest or other charges imposed by the relevant Governmental Authority) to the Administrative Agent or such Lender in the event the Administrative Agent or such Lender is required to repay such refund to such Governmental Authority. This Section shall not be construed to require the Administrative Agent or any Lender to make available its tax returns (or any other information relating to its taxes which it deems confidential) to the Borrower or any other Person.

Section 2.17. Payments Generally; Pro Rata Treatment; Sharing of Set-offs.

(a) The Borrower shall make each payment required to be made by it hereunder (whether of principal, interest or fees or of amounts payable under Section 2.14, Section 2.15 or Section 2.16, or otherwise) prior to 12:00 noon on the date when due, in immediately available funds, without set-off or counterclaim. Any amounts received after such time on any date may, in the discretion of the Administrative Agent, be deemed to have been received on the next succeeding Business Day for purposes of calculating interest thereon. All such payments shall be made to the Administrative Agent at its offices at JPMorgan Loan Services, ▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇., ▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, except as expressly provided herein and except that payments pursuant to Section 2.14, Section 2.15, Section 2.16 and Section 11.03 shall be made directly to the Persons entitled thereto. The Administrative Agent shall distribute any such payments received by it for the account of any other Person to the appropriate recipient promptly following receipt thereof. If any payment hereunder shall be due on a day that is not a Business Day, the date for payment shall be extended to the next succeeding Business Day, and, in the case of any payment accruing interest, interest thereon shall be payable for the period of such extension. All payments hereunder shall be made in Dollars.

(b) If at any time insufficient funds are received by and available to the Administrative Agent and to pay fully all amounts of principal, interest and fees then due hereunder, such funds shall be applied (i) first, towards payment of interest and fees then due hereunder, ratably among the parties entitled thereto in accordance with the amounts of interest and fees then due to such parties, and (ii) second, towards payment of principal then due hereunder, ratably among the parties entitled thereto in accordance with the amounts of principal then due to such parties; provided that in the event such funds are received by and available to the Administrative Agent as a result of the exercise of any rights and remedies with respect to any collateral under the Security Instruments, the parties entitled to a ratable share of such funds pursuant to the foregoing clause (ii) and the determination of each parties’ ratable share shall include, on a pari passu basis, the Lender Counterparties and the actual aggregate amounts then due and owing to each Lender Counterparty by the Borrower or any Guarantor as a result of the early termination of any transactions under any Swap Agreements included in the Obligations (after giving effect to any netting agreements).

(c) If any Lender shall, by exercising any right of set-off or counterclaim or otherwise, obtain payment in respect of any principal of or interest on any of its Loans resulting in such Lender receiving payment of a greater proportion of the aggregate amount of its Loans and accrued interest thereon than the proportion received by any other Lender, then the Lender receiving such greater proportion shall purchase (for cash at face value) participations in the Loans of other Lenders to the extent necessary so that the benefit of all such payments shall be shared by the Lenders ratably in accordance with the aggregate amount of principal of and accrued interest on their respective Loans; provided that (i) if any such participations are purchased and all or any portion of the

payment giving rise thereto is recovered, such participations shall be rescinded and the purchase price restored to the extent of such recovery, without interest, and (ii) the provisions of this paragraph shall not be construed to apply to any payment made by the Borrower pursuant to and in accordance with the express terms of this Agreement or any payment obtained by a Lender as consideration for the assignment of or sale of a participation in any of its Loans to any assignee or participant, other than to the Borrower or any Subsidiary or Affiliate thereof (as to which the provisions of this paragraph shall apply). The Borrower consents to the foregoing and agrees, to the extent it may effectively do so under applicable law, that any Lender acquiring a participation pursuant to the foregoing arrangements may exercise against the Borrower rights of set-off and counterclaim with respect to such participation as fully as if such Lender were a direct creditor of the Borrower in the amount of such participation.

(d) Unless the Administrative Agent shall have received notice from the Borrower prior to the date on which any payment is due to the Administrative Agent for the account of the Lenders hereunder that the Borrower will not make such payment, the Administrative Agent may assume that the Borrower have made such payment on such date in accordance herewith and may, in reliance upon such assumption, distribute to the Lenders the amount due. In such event, if the Borrower have not in fact made such payment, then each of the Lenders severally agrees to repay to the Administrative Agent forthwith on demand the amount so distributed to such Lender with interest thereon, for each day from and including the date such amount is distributed to it to but excluding the date of payment to the Administrative Agent, at the greater of the Federal Funds Effective Rate and a rate determined by the Administrative Agent in accordance with banking industry rules on interbank compensation.

(e) If any Lender shall fail to make any payment required to be made by it pursuant to Section 2.06(d) or Section 2.16(d) or Section 11.03(c), then the Administrative Agent may, in its discretion (notwithstanding any contrary provision hereof), apply any amounts thereafter received by the Administrative Agent for the account of such Lender to satisfy such Lender’s obligations under such Sections until all such unsatisfied obligations are fully paid.

Section 2.18. Mitigation Obligations; Replacement of Lenders.

(a) If any Lender requests compensation under Section 2.14, or if the Borrower is required to pay any additional amount to any Lender or any Governmental Authority for the account of any Lender pursuant to Section 2.16, then such Lender shall use reasonable efforts to designate a different lending office for funding or booking its Loans hereunder or to assign its rights and obligations hereunder to another of its offices, branches or Affiliates, if, in the judgment of such Lender, such designation or assignment (i) would eliminate or reduce amounts payable pursuant to Section 2.14 or Section 2.16, as the case may be, in the future and (ii) would not subject such Lender to any unreimbursed cost or expense and would not otherwise be disadvantageous to such

Lender. The Borrower hereby agrees to pay all reasonable costs and expenses incurred by any Lender in connection with any such designation or assignment.

(b) If any Lender requests compensation under Section 2.14, or if the Borrower is required to pay any additional amount to any Lender or any Governmental Authority for the account of any Lender pursuant to Section 2.16, or if any Lender defaults in its obligation to fund Loans hereunder, then the Borrower may, at its sole expense and effort, upon notice to such Lender and the Administrative Agent, require such Lender to assign and delegate, without recourse (in accordance with and subject to the restrictions contained in Section 11.04), all its interests, rights and obligations under this Agreement to an assignee that shall assume such obligations (which assignee may be another Lender, if a Lender accepts such assignment); provided that (i) the Borrower shall have received the prior written consent of the Administrative Agent, which consent shall not unreasonably be withheld, (ii) such Lender shall have received payment of an amount equal to the outstanding principal of its Loans, accrued interest thereon, accrued fees and all other amounts payable to it hereunder, from the assignee (to the extent of such outstanding principal and accrued interest and fees) or the Borrower (in the case of all other amounts) and (iii) in the case of any such assignment resulting from a claim for compensation under Section 2.14 or payments required to be made pursuant to Section 2.16, such assignment will result in a reduction in such compensation or payments. A Lender shall not be required to make any such assignment and delegation if, prior thereto, as a result of a waiver by such Lender or otherwise, the circumstances entitling the Borrower to require such assignment and delegation cease to apply.

(c) If in connection with any proposed amendment, modification, termination, waiver or consent with respect to any of the provisions of this Agreement or any other Loan Document as contemplated by Section 11.02, the consent of Required Lenders shall have been obtained but the consent of one or more of such other Lenders (each a “Non-Consenting Lender”) whose consent is required has not been obtained; then, the Borrower may elect to replace such Non-Consenting Lender as a Lender party to this Agreement in accordance with and subject to the restrictions contained in, and consents required by Section 11.04; provided that (i) the Borrower shall have received the prior written consent of the Administrative Agent, which consent shall not unreasonably be withheld, (ii) such Lender shall have received payment of an amount equal to the outstanding principal of its Loans, accrued interest thereon, accrued fees and all other amounts payable to it hereunder, from the assignee (to the extent of such outstanding principal and accrued interest and fees) or the Borrower (in the case of all other amounts) and (iii) in the case of any such assignment resulting from a claim for compensation under Section 2.14 or payments required to be made pursuant to Section 2.16, such assignment will result in a reduction in such compensation or payments. A Lender shall not be required to make any such assignment and delegation if, prior thereto, as a result of a waiver by such Lender or otherwise, the circumstances entitling the Borrower to require such assignment and delegation cease to apply.

Article III

[Reserved]

Article IV

Representations and Warranties

Each Credit Party represents and warrants to the Lenders that: (it being understood and agreed that with respect to the Effective Date such representations and warranties are deemed to be made concurrently with and after giving effect to the consummation of the Transactions):

Section 4.01. Organization; Powers. Each Credit Party is duly organized, validly existing and in good standing under the laws of the jurisdiction of its organization, has all requisite power and authority to carry on its business as now conducted and, except where the failure to do so, individually or in the aggregate, could not reasonably be expected to result in a Material Adverse Effect, is qualified to do business in, and is in good standing in, every jurisdiction where such qualification is required.

Section 4.02. Authorization; Enforceability. The Transactions are within each Credit Party’s corporate, limited liability company or partnership powers and have been duly authorized by all necessary corporate, limited liability company or partnership and, if required, stockholder action. This Agreement has been duly executed and delivered by each Credit Party and constitutes a legal, valid and binding obligation of each Credit Party, enforceable in accordance with its terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium or other laws affecting creditors’ rights generally and subject to general principles of equity, regardless of whether considered in a proceeding in equity or at law.

Section 4.03. Governmental Approvals; No Conflicts. The Transactions (a) do not require any consent or approval of, registration or filing with, or any other action by, any Governmental Authority, except such as have been obtained or made and are in full force and effect and, after the Effective Date, in the case of EXCO, and after the IPO Date in the case of the MLP, the filing of this Agreement and related Loan Documents by EXCO and the MLP with the Securities and Exchange Commission pursuant to the requirements of the Securities Exchange Act of 1934, as amended, (b) will not violate any applicable law or regulation or the charter, by-laws or other Organizational Documents of the Borrower or any Restricted Subsidiary or any order of any Governmental Authority, (c) will not violate or result in a default under any indenture, agreement or other instrument evidencing Material Indebtedness or a Material Sales Contract binding upon the Borrower or any Restricted Subsidiary or any of their respective assets, or give rise to a right thereunder to require any payment to be made by the Borrower or any Restricted Subsidiary, and (d) will not result in the creation or imposition of any Lien on any asset of the Borrower or any Restricted Subsidiary not otherwise permitted under Section 7.02.

Section 4.04. No Material Adverse Change. Since December 31, 2005, there has been no material adverse change in the business, assets, operations, prospects or condition, financial or otherwise, of the Borrower and its Subsidiaries, taken as a whole (it being understood that none of (i) the Winchester Acquisition, (ii) the EXCO Transfers and Conversions, nor (iii) changes in commodity prices for Hydrocarbons affecting the oil and gas industry as a whole constitute a material adverse change).

Section 4.05. Properties.

(a) Except as otherwise provided in Section 4.15 with respect to Oil and Gas Interests, the Borrower and each Restricted Subsidiary has good title to, or valid leasehold interests in, all such real and personal property material to its business, except for minor defects in title that do not interfere with its ability to conduct its business as currently conducted or to utilize such properties for their intended purposes.

(b) The Borrower and each Restricted Subsidiary owns, or is licensed to use, all trademarks, tradenames, copyrights, patents and other intellectual property material to its business, and the use thereof by the Borrower and such Restricted Subsidiaries, as the case may be, does not infringe upon the rights of any other Person, except for any such infringements that, individually or in the aggregate, could not reasonably be expected to result in a Material Adverse Effect.

Section 4.06. Litigation and Environmental Matters.

(a) There are no actions, suits or proceedings by or before any arbitrator or Governmental Authority pending against or, to the knowledge of the Borrower, threatened against or affecting the Borrower or any Restricted Subsidiary, (i) as to which there is a reasonable possibility of an adverse determination and that, if adversely determined, could reasonably be expected, individually or in the aggregate, to result in a Material Adverse Effect (other than the Disclosed Matters) or (ii) that involve this Agreement or the Transactions.

(b) Except for the Disclosed Matters and except with respect to any other matters that, individually or in the aggregate, could not reasonably be expected to result in a Material Adverse Effect, neither the Borrower nor any Restricted Subsidiary to the Borrower’s knowledge (i) has failed to comply with any Environmental Law or to obtain, maintain or comply with any permit, license or other approval required under any Environmental Law, (ii) has become subject to any Environmental Liability, (iii) has received notice of any claim with respect to any Environmental Liability or (iv) knows of any basis for any Environmental Liability.

(c) Since the date of this Agreement, there has been no change in the status of the Disclosed Matters that, individually or in the aggregate, has resulted in, or materially increased the likelihood of, a Material Adverse Effect.

Section 4.07. Compliance with Laws and Agreements. The Borrower and each Restricted Subsidiary is in compliance with all laws, regulations and orders of any Governmental Authority applicable to it or its property and all indentures, agreements and other instruments binding upon it or its property, except where the failure to do so, individually or in the aggregate, could not reasonably be expected to result in a Material Adverse Effect. No Default has occurred and is continuing.

Section 4.08. Investment Company Status. Neither the Borrower nor any Restricted Subsidiary is an “investment company” as defined in, or subject to regulation under, the Investment Company Act of 1940.

Section 4.09. Taxes. The Borrower and each Restricted Subsidiary has timely filed or caused to be filed all Tax returns and reports required to have been filed and has paid or caused to be paid all Taxes required to have been paid by it, except (a) Taxes that are being contested in good faith by appropriate proceedings and for which the Borrower or such Restricted Subsidiary, as applicable, has set aside on its books adequate reserves or (b) to the extent that the failure to do so could not reasonably be expected to result in a Material Adverse Effect.

Section 4.10. ERISA. No ERISA Event has occurred or is reasonably expected to occur that, when taken together with all other such ERISA Events for which liability is reasonably expected to occur, could reasonably be expected to result in a Material Adverse Effect. The present value of all accumulated benefit obligations under each Plan (based on the assumptions used for purposes of FASB Statement 87) did not, as of the date of the most recent financial statements reflecting such amounts, exceed by more than $1,000,000 the fair market value of the assets of such Plan, and the present value of all accumulated benefit obligations of all underfunded Plans (based on the assumptions used for purposes of FASB Statement 87) did not, as of the date of the most recent financial statements reflecting such amounts, exceed by more than $1,000,000 the fair market value of the assets of all such underfunded Plans.

Section 4.11. Disclosure. The Borrower has disclosed to the Lenders all agreements, instruments and corporate or other restrictions to which it or any Restricted Subsidiary is subject, and all other matters known to it, that, individually or in the aggregate, could reasonably be expected to result in a Material Adverse Effect. None of the other reports, financial statements, certificates or other information furnished by or on behalf of the Borrower or any Restricted Subsidiary to the Administrative Agent or any Lender in connection with the negotiation of this Agreement or delivered hereunder (as modified or supplemented by other information so furnished) contains any material misstatement of fact or omits to state any material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that, with respect to the Projections, the Borrower represents only that such information was prepared in good faith based on assumptions believed to be reasonable at the time.

Section 4.12. Labor Matters. There are no strikes, lockouts or slowdowns against the Borrower or any of its Restricted Subsidiaries pending or, to the knowledge of the Borrower, threatened that could reasonably be expected to have a Material Adverse Effect. The hours

worked by and payments made to employees of the Borrower and its Restricted Subsidiaries have not been in violation of the Fair Labor Standards Act or any other Law dealing with such matters to the extent that such violation could reasonably be expected to have a Material Adverse Effect.

Section 4.13. Capitalization and Credit Party Information. Schedule 4.13 lists, as of the Effective Date (a) each Subsidiary that is an Unrestricted Subsidiary and (b) for the Borrower and for each Restricted Subsidiary its full legal name, its jurisdiction of organization, its organizational identification number, its federal tax identification number, the number of shares of capital stock or other Equity Interests outstanding and the owner(s) of such Equity Interests.

Section 4.14. Margin Stock. Neither the Borrower nor any Restricted 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 (within the meaning of Regulation U issued by the Board), and no part of the proceeds of any Loan will be used to purchase or carry any margin stock or to extend credit to others for the purpose of purchasing or carrying margin stock.

Section 4.15. Oil and Gas Interests. Each Credit Party has good and defensible title to all proved reserves included in the Oil and Gas Interests (for purposes of this Section 4.15, “proved Oil and Gas Interests”) described in the most recent Reserve Report provided to the Administrative Agent, free and clear of all Liens except Liens permitted pursuant to Section 7.02. All such proved Oil and Gas Interests are valid, subsisting, and in full force and effect, and all rentals, royalties, and other amounts due and payable in respect thereof have been duly paid. Without regard to any consent or non-consent provisions of any joint operating agreement covering any Credit Party’s proved Oil and Gas Interests, such Credit Party’s share of (a) the costs for each proved Oil and Gas Interest described in the Reserve Report is not materially greater than the decimal fraction set forth in the Reserve Report, before and after payout, as the case may be, and described therein by the respective designations “working interests,” “WI,” “gross working interest,” “GWI,” or similar terms (except in such cases where there is a corresponding increase in the net revenue interest), and (b) production from, allocated to, or attributed to each such proved Oil and Gas Interest is not materially less than the decimal fraction set forth in the Reserve Report, before and after payout, as the case may be, and described therein by the designations “net revenue interest,” “NRI,” or similar terms. Each well drilled in respect of proved producing Oil and Gas Interests described in the Reserve Report (1) is capable of, and is presently, either producing Hydrocarbons in commercially profitable quantities or in the process of being worked over or enhanced, and the Credit Party that owns such proved producing Oil and Gas Interests is currently receiving payments for its share of production, with no funds in respect of any thereof being presently held in suspense, other than any such funds being held in suspense pending delivery of appropriate division orders, and (2) has been drilled, bottomed, completed, and operated in compliance with all applicable laws, in the case of clauses (1) and (2), except where any failure to satisfy clause (1) or to comply with clause (2) would not have a Material Adverse Effect, and no such well which is currently producing Hydrocarbons is subject to any penalty in production by reason of such well having produced in excess of its allowable production.

Section 4.16. Insurance. The certificate signed by the Responsible Officer that attests to the existence and adequacy of, and summarizes, the property and casualty insurance program maintained by the Credit Parties that has been furnished by the Borrower to the Administrative Agent and the Lenders as of the Effective Date, is complete and accurate in all material respects as of the Effective Date and demonstrates the Borrower’s and the Restricted Subsidiaries’ compliance with Section 6.05.

Section 4.17. Solvency.

(a) Immediately after the consummation of the Transactions and immediately following the making of the Loans on the Effective Date and after giving effect to the application of the proceeds thereof, (1) the fair value of the assets of the Credit Parties on a consolidated basis, at a fair valuation, will exceed the debts and liabilities, subordinated, contingent or otherwise, of the Credit Parties on a consolidated basis; (2) the present fair saleable value of the real and personal property of the Credit Parties on a consolidated basis will be greater than the amount that will be required to pay the probable liability of the Credit Parties on a consolidated basis on their debts and other liabilities, subordinated, contingent or otherwise, as such debts and other liabilities become absolute and matured; (3) the Credit Parties on a consolidated basis will be able to pay their debts and liabilities, subordinated, contingent or otherwise, as such debts and liabilities become absolute and matured; and (4) the Credit Parties on a consolidated basis will not have unreasonably small capital with which to conduct the businesses in which they are engaged as such businesses are now conducted and are proposed to be conducted after the date hereof.

(b) The Credit Parties do not intend to, and do not believe that they will, incur debts beyond their ability to pay such debts as they mature, taking into account the timing of and amounts of cash to be received by it and the timing of the amounts of cash to be payable on or in respect of its Indebtedness.

Section 4.18. Deposit Accounts. Except as set forth on Schedule 4.18 and other deposit accounts maintained at financial institutions other than the Administrative Agent (the aggregate balance of which does not exceed $50,000 at any time after December 31, 2006, for all such other deposit accounts taken as a whole), no Credit Party has any deposit or investment accounts and no Affiliate of any Credit Party has any deposit or investment account into which proceeds of Hydrocarbon production from the Oil and Gas Interests included in the Borrowing Base Properties are deposited. All proceeds of Hydrocarbon production from the Oil and Gas Interests included in the Borrowing Base Properties and all distributions and dividends on any Equity Interests owned by any Credit Party are deposited and maintained, from the date of receipt by any Credit Party, in an Eligible Account.

Article V

Conditions

Section 5.01. Effective Date. The obligations of the Lenders to make Loans hereunder shall not become effective until the date on which each of the following conditions is satisfied (or waived in accordance with Section 11.02):

(a) The Administrative Agent (or its counsel) shall have received from each party hereto either (i) a counterpart of this Agreement signed on behalf of such party or (ii) written evidence satisfactory to the Administrative Agent (which may include telecopy transmission of a signed signature page of this Agreement) that such party has signed a counterpart of this Agreement.

(b) The Administrative Agent shall have received a favorable written opinion (addressed to the Administrative Agent and the Lenders and dated the Effective Date) of ▇▇▇▇▇▇ and ▇▇▇▇▇, L.L.P., counsel for the Credit Parties, substantially in the form of Exhibit B, and covering such other matters relating to the Credit Parties, and this Agreement as the Required Lenders shall reasonably request and (ii) if agreed by opining counsel, opinions delivered pursuant to the Revolving Facility Documents, the Winchester Acquisition Documents and the EXCO Contribution Documents, if any, addressed to the Lenders or accompanied by reliance letters in favor of the Lenders stating that the Lenders may rely on such opinions as though they were addressed to them. The Credit Parties hereby request such counsel to deliver such opinion.

(c) The Administrative Agent shall have received such documents and certificates as the Administrative Agent or its counsel may reasonably request relating to the organization, existence and good standing of each Credit Party, the authorization of the Transactions and any other legal matters relating to the Credit Parties, this Agreement or the Transactions, all in form and substance satisfactory to the Administrative Agent and its counsel.

(d) The Administrative Agent shall have received a certificate, dated the Effective Date and signed by a Responsible Officer of the Borrower, confirming that the Borrower has (i) complied with the conditions set forth in paragraphs (a) and (b) of Section 5.02, (ii) complied with the covenants set forth in Section 6.05 (and demonstrating such compliance by the attachment of an insurance summary and insurance certificates evidencing the coverage described in such summary), (iii) complied with the requirements of Section 6.09 and Section 6.10, (iv) simultaneously with the making of the Loans under this Agreement and in accordance with applicable law, consummated the Winchester Acquisition without waiver or amendment of any material term or condition of any of the Winchester Acquisition Documents (not otherwise consented to by the Administrative Agent), and (v) prior to or simultaneously with the Borrowing under this Agreement and in accordance with applicable law, consummated

the EXCO Transfers and Conversions, without waiver or amendment of any material term or condition of the EXCO Contribution Documents.

(e) The Administrative Agent, the Lenders and the Arrangers shall have received all fees and other amounts due and payable on or prior to the Effective Date, and, to the extent invoiced, reimbursement or payment of all out-of-pocket expenses required to be reimbursed or paid by the Borrower hereunder, including all fees, expenses and disbursements of counsel for the Administrative Agent to the extent invoiced on or prior to the Effective Date, together with such additional amounts as shall constitute such counsel’s reasonable estimate of expenses and disbursements to be incurred by such counsel in connection with the recording and filing of Mortgages and financing statements; provided, that, such estimate shall not thereafter preclude further settling of accounts between the Borrower and the Administrative Agent.

(f) The Administrative Agent shall have received the Mortgages to be executed on the Effective Date pursuant to Section 6.09 of this Agreement, duly executed and delivered by the appropriate Credit Party, together with such other assignments, conveyances, amendments, agreements and other writings, including, without limitation, UCC-1 financing statements, tax affidavits and applicable department of revenue documentation, creating Liens prior and superior in right to any other Person (except Liens created pursuant to the Revolving Facility Documents), subject to Permitted Encumbrances, in Oil and Gas Interests having an Engineered Value equal to or greater than the Engineered Value required under Section 6.09 and the Midstream Assets.

(g) The Administrative Agent shall have received the title information or opinions with respect to the Mortgaged Properties, or the portion thereof, required by Section 6.10 on the Effective Date

(h) The Administrative Agent shall have received the Pledge Agreement to be executed on the Effective Date pursuant to Section 6.14 of this Agreement, duly executed and delivered by the appropriate Credit Party, together with such other assignments, conveyances, amendments, agreements and other writings, including, without limitation, UCC-1 financing statements and control agreements, creating Liens prior and superior in right to any other Person (except Liens created pursuant to the Revolving Facility Documents), subject to the Liens permitted under Section 7.02, in all Equity Interests of each Restricted Subsidiary now or hereafter owned by Borrower or any Restricted Subsidiary.

(i) On or prior to the Effective Date, the Administrative Agent shall have received a Borrowing Request acceptable to the Administrative Agent setting forth the Loans requested by the Borrower on the Effective Date, the Type and amount of each Loan and the accounts to which such Loans are to be funded; provided that all Loans to be made on the Effective Date shall be ABR Loans.

(j) [Reserved].

(k) The Administrative Agent shall have received such financing statements (including, without limitation, the financing statements referenced in subclause (f) and (h) above) as Administrative Agent shall specify to fully evidence and perfect all Liens contemplated by the Loan Documents, all of which shall be filed of record in such jurisdictions as the Administrative Agent shall require in its sole discretion.

(l) The Administrative Agent shall have received reasonably satisfactory evidence that the Borrower has received assets and properties from EXCO with a value of not less than $425,178,000 pursuant to the EXCO Contribution Agreement and otherwise on terms and conditions satisfactory to the Lenders.

(m) The Administrative Agent shall have received reasonably satisfactory evidence that after giving effect to the Transactions, the MLP shall own all of the issued and outstanding Equity Interests of the Borrower.

(n) The Administrative Agent shall have received a Solvency Certificate in the form attached hereto as Exhibit D, dated the Effective Date, and signed by a Responsible Officer of the Borrower.

(o) The Lenders shall have received from the Borrower (i) pro forma consolidated balance sheet of the Borrower and its Consolidated Subsidiaries as of the Effective Date, and reflecting the consummation of the Transactions, the related financings and other transactions contemplated by the Loan Documents to occur on or prior to the Effective Date, which pro forma balance sheet shall be prepared consistent in all respects with the information previously provided by the Borrower to the Administrative Agent and the Lenders and otherwise in form and substance satisfactory to the Administrative Agent, (ii) a pro forma statement of operations of the Borrower and its Consolidated Subsidiaries for the twelve month period ending as of the date of the pro forma balance sheet described in the immediately preceding clause (i) and (iii) the Projections.

(p) The Administrative Agent, the Term Agent and the Credit Parties shall have executed and delivered the Intercreditor Agreement.

(q) Each Credit Party shall have obtained all approvals required from any Governmental Authority and all consents of other Persons, in each case that are necessary or advisable in connection with the Transactions and each of the foregoing shall be in full force and effect and in form and substance reasonably satisfactory to the Administrative Agent. All applicable waiting periods shall have expired without any action being taken or threatened by any competent authority which would restrain, prevent or otherwise impose adverse conditions on the transactions contemplated by the Loan Documents, the EXCO Contribution Documents, the Revolving Facility Documents or the Winchester Acquisition Documents or the financing thereof and no action, request for stay, petition for review or rehearing, reconsideration, or appeal with respect to any of the foregoing

shall be pending, and the time for any applicable agency to take action to set aside its consent on its own motion shall have expired.

(r) There shall not exist any action, suit, investigation, litigation or proceeding or other legal or regulatory developments, pending or threatened in any court or before any arbitrator or Governmental Authority that, in the reasonable opinion of Administrative Agent, singly or in the aggregate, materially impairs the Transactions, the financing thereof or any of the other transactions contemplated by the Loan Documents, the EXCO Contribution Documents, the Revolving Facility Documents or the Winchester Acquisition Documents or that could have a Material Adverse Effect.

(s) All partnership, corporate and other proceedings taken or to be taken in connection with the Transactions and all documents incidental thereto shall be reasonably satisfactory in form and substance to Administrative Agent and its counsel, and Administrative Agent and such counsel shall have received all such counterpart originals or certified copies of such documents as Administrative Agent may reasonably request.

(t) The Borrower shall have delivered to the Administrative Agent with a description of the sources and uses of funding for the Transactions that is consistent with the terms of the Loan Documents, the EXCO Contribution Documents, the Revolving Facility Documents and the Winchester Acquisition Documents and otherwise satisfactory to the Administrative Agent and the Arrangers and the capitalization, structure and equity ownership of the Borrower after the Transactions shall be satisfactory to the Lenders in all respects.

(u) The Administrative Agent shall have received evidence or assurances satisfactory to it that (i) each of the Transferred Subsidiaries has been (or concurrently with the effectiveness of this Agreement and the funding of the initial Loans hereunder, will be) released from all liabilities, obligations and Indebtedness under the EXCO Credit Agreement and all Swap Agreements with any “Lender Counterparty” under and as defined in the EXCO Credit Agreement (other than the Existing Swap Agreements to which any Transferred Subsidiary is a party) and that all Liens on assets and properties of such Transferred Subsidiaries securing such liabilities, obligations and Indebtedness and the Texas Properties have been released and terminated, and original executed instruments releasing and terminating any and all such Liens in a form suitable for filing in the applicable jurisdiction have been delivered to the Administrative Agent, (ii) the Borrower has received (or concurrently with the effectiveness of this Agreement and the funding of the initial Loans hereunder, will receive) $651,000,000 in cash proceeds from the incurrence of the Indebtedness evidenced by the Revolving Facility Documents and otherwise on terms and conditions satisfactory to the Lenders and (iii) the CapEx Reimbursement Obligation incurred by the MLP in connection with the EXCO Transfers and Conversions shall have been (or concurrently with the effectiveness of this Agreement and the initial funding of the Term Loans, will be) paid in full.

(v) The representations and warranties of each Credit Party set forth in this Agreement shall be true and correct in all material respects on and as of the date of the Effective Date, except to the extent that such representations and warranties specifically refer to an earlier date, in which case they shall be true and correct as of such earlier date.

(w) At the time of and immediately after giving effect to the Loans made on the Effective Date, no Default shall have occurred and be continuing.

The Administrative Agent shall notify the Borrower and the Lenders of the Effective Date, and such notice shall be conclusive and binding. Notwithstanding the foregoing, the obligations of the Lenders to make Loans hereunder shall not become effective unless each of the foregoing conditions is satisfied (or waived pursuant to Section 11.02) at or prior to 3:00 p.m. on October 15, 2006.

Article VI

Affirmative Covenants

Until the principal of and interest on each Loan and all fees payable hereunder shall have been paid in full, each Credit Party covenants and agrees with the Lenders that:

Section 6.01. Financial Statements; Other Information. The Borrower will furnish to the Administrative Agent and each Lender:

(a) within 90 days after the end of each fiscal year of the Borrower, the audited consolidated (and unaudited consolidating) balance sheet and related consolidated (and with respect to statements of operations, consolidating) statements of operations, partners’ equity and cash flows of MLP and its Consolidated Subsidiaries as of the end of and for such year, setting forth in each case in comparative form the figures for the previous fiscal year, all reported on by a firm of independent public accountants reasonably acceptable to Administrative Agent (without a “going concern” or like qualification or exception and without any qualification or exception as to the scope of such audit) to the effect that such consolidated financial statements present fairly in all material respects the financial condition and results of operations of MLP and its Consolidated Subsidiaries on a consolidated basis in accordance with GAAP consistently applied;

(b) within 45 days after the end of each fiscal quarter of the Borrower, the consolidated (and unaudited consolidating) balance sheet and related consolidated (and with respect to statements of operations, consolidating) statements of operations, partners’ equity and cash flows of the MLP and its Consolidated Subsidiaries as of the end of and for such fiscal quarter and the then elapsed portion of the fiscal year, setting forth in each case in comparative form the figures for the corresponding period or periods of (or, in the case of the balance sheet, as of the end of) the previous fiscal year, all certified by a Responsible Officer as presenting fairly in all material respects the financial

condition and results of operations of the MLP and its Consolidated Subsidiaries on a consolidated and consolidating basis in accordance with GAAP consistently applied, subject to normal year-end audit adjustments and the absence of footnotes;

(c) concurrently with any delivery of financial statements under clause (a) or (b) above, a certificate in a form reasonably acceptable to Administrative Agent signed by a Responsible Officer of the Borrower (i) certifying as to whether a Default has occurred and, if a Default has occurred, specifying the details thereof and any action taken or proposed to be taken with respect thereto, and (ii) setting forth reasonably detailed calculations demonstrating compliance with clauses (a), (b) and (c) of Section 7.11;

(d) promptly after the same become publicly available, copies of all periodic and other reports, proxy statements and other materials filed by the Borrower or any Subsidiary with the Securities and Exchange Commission, or any Governmental Authority succeeding to any or all of the functions of said Commission, or with any national securities exchange, or distributed by the Borrower to its shareholders generally, as the case may be;

(e) as soon as available, and in any event no later than March 1 and September 1 of each year, the Reserve Reports required on such dates pursuant to the terms of the Revolving Facility Documents (or if the Revolving Facility has terminated, pursuant to the terms of the Revolving Facility Documents in effect as of the date of termination) together with a certificate in a form reasonably acceptable to Administrative Agent signed by a Responsible Officer of the Borrower (i) certifying as to whether a Default has occurred and, if a Default has occurred, specifying the details thereof and any action taken or proposed to be taken with respect thereto, and (ii) setting forth reasonably detailed calculations demonstrating compliance with clause (d) of Section 7.01;

(f) together with the Reserve Reports required under clause (e) above, (i) a report, in reasonable detail, setting forth the Swap Agreements then in effect, the notional volumes of and prices for, on a monthly basis and in the aggregate, the Crude Oil and Natural Gas for each such Swap Agreement and the term of each such Swap Agreement; (ii) a true and correct schedule of the Mortgaged Properties, (iii) the percentage of the Engineered Value of the Borrowing Base that the Mortgaged Properties represents and (iv) a description of the additional Oil and Gas Interests, if any, to be mortgaged by the Credit Parties to comply with Section 6.09 and the Engineered Value thereof;

(g) if requested by Required Lenders and within thirty (30) days of such request, a monthly report, in form and substance satisfactory to the Administrative Agent, indicating the next preceding month’s sales volumes, sales revenues, production taxes, operating expenses and net operating income from the Borrowing Base Properties, with detail, calculations and worksheets, all in form and substance reasonably satisfactory to the Administrative Agent; and

(h) promptly following any request therefor, such other information regarding the operations, business affairs and financial condition of any Credit Party, or compliance with the terms of this Agreement, as the Administrative Agent or any Lender may reasonably request.

Documents required to be delivered pursuant to Section 6.01(a) or Section 6.01(b) or Section 6.01(d) may be delivered electronically and if so delivered, shall be deemed to have been delivered on the date (i) on which the Borrower posts such documents, or provides a link thereto on the Borrower’s website on the Internet at the website address identified in Section 11.01 on which such documents are posted on the Borrower’s behalf on an Internet or intranet website, if any, to which each Lender and the Administrative Agent have access (whether a commercial, third-party website or whether sponsored by the Administrative Agent); provided that: (i) the Borrower shall deliver paper copies of such documents to the Administrative Agent or any Lender that requests the Borrower to deliver such paper copies until a written request to cease delivering paper copies is given by the Administrative Agent or such Lender and (ii) the Borrower shall notify the Administrative Agent and each Lender (by telecopier or electronic mail) of the posting of any such documents and provide to the Administrative Agent by electronic mail electronic versions (i.e., soft copies) of such documents. Notwithstanding anything contained herein, in every instance the Borrower shall be required to provide paper copies of the Compliance Certificates required by Section 6.01(c) to the Administrative Agent. Except for such Compliance Certificates, the Administrative Agent shall have no obligation to request the delivery or to maintain copies of the documents referred to above, and in any event shall have no responsibility to monitor compliance by the Borrower with any such request for delivery, and each Lender shall be solely responsible for requesting delivery to it or maintaining its copies of such documents.

The Borrower hereby acknowledges that (a) the Administrative Agent and/or the Arrangers will make available to the Lenders and/or information provided by or on behalf of the Borrower hereunder (collectively, “Borrower Materials”) by posting the Borrower Materials on IntraLinks or another similar electronic system (the “Platform”) and (b) certain of the Lenders may be “public-side” Lenders (i.e., Lenders that do not wish to receive material non-public information with respect to the Borrower or its securities) (each, a “Public Lender”). The Borrower hereby agrees that (w) all Borrower Materials that are to be made available to Public Lenders shall be clearly and conspicuously marked “PUBLIC” which, at a minimum, shall mean that the word “PUBLIC” shall appear prominently on the first page thereof; (x) by marking Borrower Materials “PUBLIC,” the Borrower shall be deemed to have authorized the Administrative Agent, the Arrangers and the Lenders to treat such Borrower Materials as either publicly available information or not material information (although it may be sensitive and proprietary) with respect to the Borrower or its securities for purposes of United States Federal and state securities laws; (y) all Borrower Materials marked “PUBLIC” are permitted to be made available through a portion of the Platform designated “Public Investor;” and (z) the Administrative Agent and the Arrangers shall be entitled to treat Borrower’s Materials that are not marked “PUBLIC” as being suitable only for posting on a portion of the Platform not designated “Public Investor.”

Section 6.02. Notices of Material Events. The Borrower will furnish to the Administrative Agent and each Lender prompt written notice of the following:

(a) the occurrence of any Default;

(b) the filing or commencement of any action, suit or proceeding by or before any arbitrator or Governmental Authority against or affecting any Credit Party or any Affiliate thereof that, if adversely determined, could reasonably be expected to result in a Material Adverse Effect;

(c) the occurrence of any ERISA Event that, alone or together with any other ERISA Events that have occurred, could reasonably be expected to result in liability of the Borrower and the Restricted Subsidiaries in an aggregate amount exceeding $5,000,000;

(d) any written notice or written claim to the effect that any Credit Party is or may be liable to any Person as a result of the release by any Credit Party, or any other Person of any Hazardous Materials into the environment, which could reasonably be expected to have a Material Adverse Effect;

(e) any written notice alleging any violation of any Environmental Law by any Credit Party, which could reasonably be expected to have a Material Adverse Effect;

(f) the occurrence of any material breach or default under, or repudiation or termination of, any Material Sales Contract that results in, or could reasonably be expected to result in, a Material Adverse Effect;

(g) the occurrence of any material breach or default under, or repudiation or termination of, any EXCO Agreement;

(h) the receipt by the Borrower or any Restricted Subsidiary of any management letter or comparable analysis prepared by the auditors for the Borrower or any such Restricted Subsidiary; and

(i) any other development that results in, or could reasonably be expected to result in, a Material Adverse Effect.

Each notice delivered under this Section shall be accompanied by a statement of a Responsible Officer or other executive officer of the Borrower setting forth the details of the event or development requiring such notice and any action taken or proposed to be taken with respect thereto.

Section 6.03. Existence; Conduct of Business. The Borrower will, and will cause each Restricted Subsidiary to, do or cause to be done all things necessary to preserve, renew and keep in full force and effect its legal existence and the rights, licenses, permits, privileges and

franchises material to the conduct of its business; provided that the foregoing shall not prohibit any merger, consolidation, liquidation or dissolution permitted under Section 7.03.

Section 6.04. Payment of Obligations. The Borrower will, and will cause each Restricted Subsidiary to, pay its obligations, including Tax liabilities, that, if not paid, could result in a Material Adverse Effect before the same shall become delinquent or in default, except where (a) the validity or amount thereof is being contested in good faith by appropriate proceedings, (b) the Borrower or such Restricted Subsidiary has set aside on its books adequate reserves with respect thereto in accordance with GAAP and (c) the failure to make payment pending such contest could not reasonably be expected to result in a Material Adverse Effect.

Section 6.05. Maintenance of Properties; Insurance. The Borrower will, and will cause each Restricted Subsidiary and use commercially reasonable efforts to cause each operator of Borrowing Base Properties to, (a) keep and maintain all property material to the conduct of its business in good working order and condition, ordinary wear and tear excepted, and (b) maintain, with financially sound and reputable insurance companies, insurance in such amounts and against such risks as are customarily maintained by companies engaged in the same or similar businesses operating in the same or similar locations. On or prior to the Effective Date and thereafter, upon request of the Administrative Agent, the Borrower will furnish or cause to be furnished to the Administrative Agent from time to time a summary of the respective insurance coverage of the Borrower and its Restricted Subsidiaries in form and substance reasonably satisfactory to the Administrative Agent, and, if requested, will furnish the Administrative Agent copies of the applicable policies. Upon demand by Administrative Agent, the Borrower will cause any insurance policies covering any such property to be endorsed (a) to provide that such policies may not be cancelled, reduced or affected in any manner for any reason without fifteen (15) days prior notice to Administrative Agent, and (b) to provide for such other matters as the Lenders may reasonably require.

Section 6.06. Books and Records; Inspection Rights. The Borrower will, and will cause each Restricted Subsidiary to, keep proper books of record and account in which full, true and correct entries are made of all dealings and transactions in relation to its business and activities. The Borrower will, and will cause each Restricted Subsidiary to, permit any representatives designated by the Administrative Agent or any Lender, upon reasonable prior notice, to visit and inspect its properties, to examine and make extracts from its books and records, and to discuss its affairs, finances and condition with its officers and, provided an officer of the Borrower has the reasonable opportunity to participate, its independent accountants, all at such reasonable times and as often as reasonably requested.

Section 6.07. Compliance with Laws. The Borrower will, and will cause each Restricted Subsidiary to, comply with all laws, rules, regulations and orders of any Governmental Authority applicable to it or its property, except where the failure to do so, individually or in the aggregate, could not reasonably be expected to result in a Material Adverse Effect.

Section 6.08. Use of Proceeds. The proceeds of the Loans will be used only to (a) finance the Winchester Acquisition, including a cash equity contribution by the Borrower to, or a loan from the Borrower to, the Merger Sub to facilitate the payment of the merger consideration required under the Winchester Merger Agreement, (b) to make the Restricted Payment permitted under Section 7.06(d) on the Effective Date and (c) pay the fees, expenses and transaction costs of the Transactions. No part of the proceeds of any Loan will be used, whether directly or indirectly, to purchase or carry any margin stock (as defined in Regulation U issued by the Board).

Section 6.09. Mortgages. Each Borrower will, and will cause each Guarantor to, execute and deliver to the Administrative Agent, for the benefit of the Secured Parties, Mortgages in form and substance acceptable to the Administrative Agent together with such other assignments, conveyances, amendments, agreements and other writings, including, without limitation, UCC-1 financing statements (each duly authorized and executed, as applicable) as the Administrative Agent shall deem necessary or appropriate to grant, evidence, perfect and maintain Liens in (a) not less than ninety percent (90%) of the Engineered Value of the Borrowing Base Properties and (b) the Midstream Assets.

Section 6.10. Title Data. The Borrower will, and will cause each Guarantor to, deliver to the Administrative Agent such opinions of counsel or other evidence of title as the Administrative Agent shall deem reasonably necessary or appropriate to verify at all times from and after the Effective Date, not less than eighty percent (80%) of the Engineered Value of the Mortgaged Properties of the Borrower and the Guarantors, taken as a whole, and the validity, perfection and priority of the Liens created by such Mortgages and such other matters regarding such Mortgages as Administrative Agent shall reasonably request.

Section 6.11. Swap Agreements. The Borrower will, and will cause each Restricted Subsidiary to, maintain the Existing Swap Agreements and none of the Existing Swap Agreements may be amended, modified or cancelled without the prior written consent of the Required Lenders. On or within ten (10) Business Days after the Effective Date, the Borrower will enter into and thereafter maintain one or more hedge, collar or swap transactions pursuant to Swap Agreements with Approved Counterparties to hedge (together with the Existing Swap Agreements) not less than seventy-five percent (75%) of the forecasted production of Crude Oil and Natural Gas from the total proved developed producing Oil and Gas Interests of the Borrower and its Restricted Subsidiaries, taken as a whole, through at least December 31, 2010, as reflected in the Reserve Report used by the Lenders to determine the initial Borrowing Base under the Revolving Facility and at or above prices specified by the Administrative Agent on or prior to the Effective Date or otherwise acceptable to the Administrative Agent. On or prior to the second anniversary of the Effective Date, the Borrower will enter into and thereafter maintain one or more hedge, collar or swap transactions pursuant to Swap Agreements with Approved Counterparties to hedge (together with the Existing Swap Agreements) not less than seventy-five percent (75%) of the forecasted production of Crude Oil and Natural Gas from the total proved developed producing Oil and Gas Interests of the Borrower and its Restricted Subsidiaries, taken as a whole, through at least the fifth anniversary of the Effective Date on term and conditions reasonably satisfactory to the Administrative Agent. Once confirmed, no such hedge, collar or

swap transaction nor any Swap Agreement may be amended or modified, or cancelled without the prior written consent of Required Lenders. Upon the request of the Required Lenders, the Borrower and each Restricted Subsidiary shall use their commercially reasonable efforts to cause each Swap Agreement to which the Borrower or any Restricted Subsidiary is a party to (a) be collaterally assigned to the Administrative Agent, for the benefit of the Secured Parties and (b) upon the occurrence of any default or event of default under such agreement or contract, (i) to permit the Lenders to cure such default or event of default and assume the obligations of such Credit Party under such agreement or contract and (ii) to prohibit the termination of such agreement or contract by the counterparty thereto if the Lenders assume the obligations of such Credit Party under such agreement or contract and the Lenders take the actions required under the foregoing clause (i). Upon the request of the Administrative Agent, the Borrower shall, within thirty (30) days of such request, provide to the Administrative Agent and each Lender copies of all agreements, documents and instruments evidencing the Swap Agreements not previously delivered to the Administrative Agent and Lenders, certified as true and correct by a Responsible Officer of the Borrower, and such other information regarding such Swap Agreements as the Administrative Agent and Lenders may reasonably request.

Section 6.12. Operation of Oil and Gas Interests.

(a) Each Borrower will, and will cause each Restricted Subsidiary to, maintain, develop and operate its Oil and Gas Interests in a good and workmanlike manner, and observe and comply with all of the terms and provisions, express or implied, of all oil and gas leases relating to such Oil and Gas Interests so long as such Oil and Gas Interests are capable of producing Hydrocarbons and accompanying elements in paying quantities, except where such failure to comply could not reasonably be expected to have a Material Adverse Effect.

(b) Borrower will, and will cause each Restricted Subsidiary to, comply in all respects with all contracts and agreements applicable to or relating to its Oil and Gas Interests or the production and sale of Hydrocarbons and accompanying elements therefrom, except to the extent a failure to so comply could not reasonably be expected to have a Material Adverse Effect.

Section 6.13. Restricted Subsidiaries. In the event any Person is or becomes a Restricted Subsidiary, Borrower will (a) promptly take all action necessary to comply with Section 6.14, (b) promptly take all such action and execute and deliver, or cause to be executed and delivered, to the Administrative Agent all such documents, opinions, instruments, agreements, and certificates similar to those described in Section 5.01(b) and Section 5.01(c) that the Administrative Agent may request, and (c) promptly cause such Restricted Subsidiary to (i) become a party to this Agreement and Guarantee the Obligations by executing and delivering to the Administrative Agent a Counterpart Agreement in the form of Exhibit C, and (ii) to the extent required to comply with Section 6.09 or as requested by the Administrative Agent, execute and deliver Mortgages and other Security Instruments creating Liens prior and superior in right to any other Person (except Liens created pursuant to the Revolving Facility Documents), subject to Permitted Encumbrances, in such Restricted Subsidiary’s Oil and Gas

Interests and other assets. Upon delivery of any such Counterpart Agreement to the Administrative Agent, notice of which is hereby waived by each Credit Party, such Restricted Subsidiary shall be a Guarantor and shall be as fully a party hereto as if such Restricted Subsidiary were an original signatory hereto. Each Credit Party expressly agrees that its obligations arising hereunder shall not be affected or diminished by the addition or release of any other Credit Party hereunder. This Agreement shall be fully effective as to any Credit Party that is or becomes a party hereto regardless of whether any other Person becomes or fails to become or ceases to be a Credit Party hereunder. With respect to each such Restricted Subsidiary, the Borrower shall promptly send to the Administrative Agent written notice setting forth with respect to such Person the date on which such Person became a Restricted Subsidiary of the Borrower, and supplement the data required to be set forth in the Schedules to this Agreement as a result of the acquisition or creation of such Restricted Subsidiary; provided that such supplemental data must be reasonably acceptable to the Administrative Agent and Required Lenders.

Section 6.14. Pledged Equity Interests. On the date hereof and at the time hereafter that any Restricted Subsidiary of the Borrower is created or acquired or any Unrestricted Subsidiary becomes a Restricted Subsidiary, the Borrower and the Subsidiaries (as applicable) shall execute and deliver to the Administrative Agent (or, until the Revolving Facility has been terminated, by the Revolving Agent) for the benefit of the Secured Parties, a Pledge Agreement, in form and substance acceptable to the Administrative Agent, from the Borrower and/or the Subsidiaries (as applicable) covering all Equity Interests owned by the Borrower or such Restricted Subsidiaries in such Restricted Subsidiaries, together with all certificates (or other evidence acceptable to Administrative Agent) evidencing the issued and outstanding Equity Interests of each such Restricted Subsidiary of every class owned by such Credit Party (as applicable) which, if certificated, shall be duly endorsed or accompanied by stock powers executed in blank (as applicable), as Administrative Agent shall deem necessary or appropriate to grant, evidence and perfect a security interest in the issued and outstanding Equity Interests owned by Borrower or any Restricted Subsidiary in each Restricted Subsidiary prior and superior in right to any other Person (except Liens created pursuant to the Revolving Facility Documents).

Section 6.15. Production Proceeds and Bank Accounts. Subject to the terms and conditions of the Mortgages, each Credit Party shall cause all production proceeds and revenues attributable to the Oil and Gas Interests of such Credit Party to be paid and deposited into deposit accounts of such Credit Party maintained with the Administrative Agent or with other financial institutions acceptable to the Administrative Agent and, at the request of the Administrative Agent, cause all such deposit accounts at such other financial institutions to be subject to a control agreement in favor of the Administrative Agent for the benefit of the Secured Parties, in form and substance satisfactory to the Administrative Agent (an “Eligible Account”).

Section 6.16. Mandatory Prepayment of the Loans. On or within five (5) days after the IPO Date, the Borrower shall prepay in full all of the Indebtedness under the Loan Documents and promptly thereafter cause all of the Liens securing such Indebtedness to be released and terminated.

Article VII

Negative Covenants

Until the principal of and interest on each Loan and all fees payable hereunder have been paid in full, each Credit Party covenants and agrees with the Lenders that:

Section 7.01. Indebtedness. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, create, incur, assume or permit to exist any Indebtedness, except:

(a) The Obligations;

(b) Indebtedness existing on the date hereof and set forth in Schedule 7.01 and extensions, renewals and replacements of any such Indebtedness that do not increase the outstanding principal amount thereof;

(c) Indebtedness of the Borrower to any Guarantor and of any Guarantor to the Borrower or any other Guarantor; provided, that (i) all such Indebtedness shall be unsecured and subordinated in right of payment to the payment in full of all of the Obligations as provided in Section 8.06 and (ii) all such Indebtedness is evidenced by promissory notes in form and substance reasonably satisfactory to the Administrative Agent, and such promissory notes are subject to a security interest in favor of the Administrative Agent for the benefit of the Secured Parties on terms and conditions reasonably satisfactory to the Administrative Agent prior and superior in right to any other Person (except Liens created pursuant to the Revolving Facility Documents);

(d) Guarantees of the Obligations;

(e) Indebtedness of the Borrower and the Restricted Subsidiaries incurred to finance the acquisition, construction or improvement of any fixed or capital assets, including Capital Lease Obligations and any Indebtedness assumed in connection with the acquisition of any such assets or secured by a Lien on any such assets prior to the acquisition thereof, and extensions, renewals and replacements of any such Indebtedness that do not increase the outstanding principal amount thereof; provided that (i) such Indebtedness is incurred prior to or within 90 days after such acquisition or the completion of such construction or improvement and (ii) the aggregate principal amount of Indebtedness permitted by this clause (e) shall not exceed $5,000,000 at any time outstanding;

(f) Indebtedness incurred or deposits made by the Borrower and any Restricted Subsidiary (i) under worker’s compensation laws, unemployment insurance laws or similar legislation, or (ii) in connection with bids, tenders, contracts (other than for the payment of Indebtedness) or leases to which such Credit Party is a party, (iii) to secure public or statutory obligations of such Credit Party, and (iv) of cash or U.S. Government Securities made to secure the performance of statutory obligations, surety,

stay, customs and appeal bonds to which such Credit Party is a party in connection with the operation of the Oil and Gas Interests, in each case in the ordinary course of business;

(g) Indebtedness of any Borrower or any Restricted Subsidiary under Swap Agreements to the extent permitted under Section 7.05;

(h) Indebtedness under the Revolving Facility in an aggregate principal amount not exceeding $750,000,000 at any time outstanding; and

(i) Other unsecured Indebtedness of the Credit Parties in an aggregate principal amount not exceeding $1,000,000 at any time outstanding.

Section 7.02. Liens. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, create, incur, assume or permit to exist any Lien on any property or asset now owned or hereafter acquired by it, or assign or sell any income or revenues (including accounts receivable) or rights in respect of any thereof, except:

(a) any Lien created pursuant to this Agreement or the Security Instruments;

(b) Permitted Encumbrances;

(c) any Lien on any property or asset of the Borrower or any Restricted Subsidiary existing on the date hereof and set forth in Schedule 7.02; provided that (i) such Lien shall not apply to any other property or asset of the Borrower or any other Restricted Subsidiary and (ii) such Lien shall secure only those obligations which it secures on the date hereof and extensions, renewals and replacements thereof that do not increase the outstanding principal amount thereof;

(d) any Lien existing on any property or asset prior to the acquisition thereof by the Borrower or any Restricted Subsidiary or existing on any property or asset of any Person that becomes a Restricted Subsidiary after the date hereof prior to the time such Person becomes a Restricted Subsidiary; provided that (i) such Lien secures Indebtedness permitted by Section 7.01(e), (ii) such Lien is not created in contemplation of or in connection with such acquisition or such Person becoming a Restricted Subsidiary, as the case may be, (iii) such Lien shall not apply to any other property or assets of the Borrower or any other Restricted Subsidiary and (iv) such Lien shall secure only those obligations which it secures on the date of such acquisition or the date such Person becomes a Restricted Subsidiary, as the case may be and extensions, renewals and replacements thereof that do not increase the outstanding principal amount thereof; and

(e) Liens on fixed or capital assets acquired, constructed or improved by the Borrower or any Restricted Subsidiary; provided that (i) such Liens, secure Indebtedness permitted by Section 7.01, (ii) such security interests and the Indebtedness secured thereby are incurred prior to or within 90 days after such acquisition or the completion of such construction or improvement, (iii) the Indebtedness secured thereby does not exceed

the cost of acquiring, constructing or improving such fixed or capital assets and (iv) such security interests shall not apply to any other property or assets of the Borrower or any other Restricted Subsidiaries; and

(f) Subject to the Intercreditor Agreement, Liens securing Indebtedness permitted by clause (h) of Section 7.01.

Section 7.03. Fundamental Changes.

(a) The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, merge into or consolidate with any other Person, or permit any other Person to merge into or consolidate with it, or sell, transfer, lease or otherwise dispose of (in one transaction or in a series of transactions) all or any substantial part of its assets, or any of its Borrowing Base Properties or any of the Equity Interests of any Restricted Subsidiary (in each case, whether now owned or hereafter acquired), or liquidate or dissolve, except that, the Borrower or any Restricted Subsidiary may sell Hydrocarbons produced from its Oil and Gas Interests in the ordinary course of business, and if at the time thereof and immediately after giving effect thereto no Default shall have occurred and be continuing, (i) any Restricted Subsidiary may merge into the Borrower in a transaction in which the Borrower is the surviving entity, (ii) any Restricted Subsidiary may merge into any other Restricted Subsidiary in a transaction in which the surviving entity is a Restricted Subsidiary, (iii) any Restricted Subsidiary may sell, transfer, lease or otherwise dispose of its assets to the Borrower or to another Restricted Subsidiary, (iv) any Restricted Subsidiary may liquidate or dissolve if the Borrower determines in good faith that such liquidation or dissolution is in the best interests of the Borrower and is not materially disadvantageous to the Lenders, (v) the Borrower or any Restricted Subsidiary may sell, transfer, lease or otherwise dispose of equipment and related items in the ordinary course of business, that are obsolete or no longer necessary in the business of the Borrower or any of its Restricted Subsidiaries or that is being replaced by equipment of comparable value and utility, (vi) the Borrower or any Restricted Subsidiary may sell, transfer or otherwise dispose of the Excluded Properties; (vii) the Borrower or any Restricted Subsidiary may sell, transfer, lease, exchange, abandon or otherwise dispose of Borrowing Base Properties with a value not exceeding, in the aggregate for the Borrower and its Restricted Subsidiaries taken, as a whole, 5% of the Borrowing Base between scheduled redeterminations as determined pursuant to the terms of the Revolving Facility Documents (or if the Revolving Facility has been terminated, as determined by the Administrative Agent in substantially the same manner as set forth in the Revolving Facility Documents). Notwithstanding the foregoing, the Borrower or any Restricted Subsidiary may sell, transfer, lease, exchange, abandon or otherwise dispose of Borrowing Base Properties not otherwise permitted pursuant to the foregoing clause (vii) provided that (A) the consideration received in respect of such sale or other disposition shall be equal to or greater than the fair market value of the Borrowing Base Properties, interest therein or Restricted Subsidiary subject to the sale or other disposition (as reasonably determined by, in the case of any sale or disposition of the Borrowing Base Properties with a value equal to or greater than $15,000,000) the Board of Directors of

the Borrower and, if requested by the Administrative Agent, the Borrower shall deliver a certificate of a Financial Officer certifying to that effect), (B) 100% of the consideration for such sale or other disposition shall be in the form of cash or Permitted Investments and (C) except for the Net Cash Proceeds from the sale or other disposition of the Excluded Properties, an amount equal to 100% of the Net Cash Proceeds received from such sale or other disposition shall be used within 90 days of such disposition (1) to acquire property, plant and equipment or any business entity used or useful in carrying on the business of the Borrower and its Restricted Subsidiaries and having a fair market value at least equal to the fair market value of the properties sold or otherwise disposed of or to improve or replace any existing property of the Borrower and its Restricted Subsidiaries used or useful in carrying on the business of the Borrower and its Restricted Subsidiaries (the “Reinvestment Deferred Amount”), (2) to repay Indebtedness under the Revolving Facility (with a corresponding permanent reduction of the commitments thereunder) or (3) to prepay the Loans. For purposes of the foregoing clause (vi), the value of any Oil and Gas Interests included in the Borrowing Base Properties shall be as determined pursuant to the terms of the Revolving Facility Documents (or if the Revolving Facility has been terminated, as determined by the Administrative Agent in substantially the same manner as set forth in the Revolving Facility Documents).

(b) The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, engage to any material extent in any business other than businesses of the type conducted by the Borrower and its Restricted Subsidiaries on the date of execution of this Agreement and after giving effect to the Transactions and businesses reasonably related thereto.

Section 7.04. Investments, Loans, Advances, Guarantees and Acquisitions. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, purchase, hold or acquire (including pursuant to any merger with any Person that was not a wholly owned Restricted Subsidiary prior to such merger) any capital stock, evidences of Indebtedness or other securities (including any option, warrant or other right to acquire any of the foregoing) of, make or permit to exist any loans or advances to, Guarantee any Indebtedness of, or make or permit to exist any investment or any other interest in, any other Person, or purchase or otherwise acquire (in one transaction or a series of transactions) any assets of any other Person constituting a business unit, except:

(a) Permitted Investments;

(b) investments by the Borrower in the Equity Interests of any Restricted Subsidiary;

(c) investments by the Borrower or Guarantor consisting of intercompany Indebtedness permitted under Section 7.01(c)

(d) Guarantees constituting Indebtedness permitted by Section 7.01;

(e) investments by the Borrower and its Restricted Subsidiaries that are (1) customary in the oil and gas business, (2) made in the ordinary course of the Borrower’s or such Restricted Subsidiary’s business, and (3) made in the form of, or pursuant to, oil, gas and mineral leases, operating agreements, farm-in agreements, farm-out agreements, development agreements, unitization agreements, joint bidding agreements, services contracts and other similar agreements that a reasonable and prudent oil and gas industry owner or operator would find acceptable;

(f) investments consisting of Swap Agreements to the extent permitted under Section 7.05; and

(g) other investments by the Borrower and the Restricted Subsidiaries; provided that, on the date any such other investment is made, the amount of such investment, together with all other investments made pursuant to this clause (g) of Section 7.04 (in each case determined based on the cost of such investment) since the Effective Date, does not exceed in the aggregate, $1,000,000.

Section 7.05. Swap Agreements. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, enter into or maintain any Swap Agreement, except the Existing Swap Agreements, the Swap Agreements required under Section 6.11 and Swap Agreements entered into in the ordinary course of business with Approved Counterparties and not for speculative purposes to (a) hedge or mitigate Crude Oil and Natural Gas price risks to which the Borrower or any Restricted Subsidiary has actual exposure, and (b) effectively cap, collar or exchange interest rates (from fixed to floating rates, from one floating rate to another floating rate or otherwise) with respect to any interest-bearing liability or investment of any Credit Party; provided that such Swap Agreements (at the time each transaction under such Swap Agreement is entered into) would not cause the aggregate notional amount of Hydrocarbons under all Swap Agreements then in effect (including the Existing Swap Agreements and the Swap Agreements required under Section 6.11) to exceed at any time (i) ninety percent (90%) of the “forecasted production from proved producing reserves” (as defined below) of the Borrower and the Restricted Subsidiaries for each of the first two years of the forthcoming five year period and (ii) eighty percent (80%) of the forecasted production from proved producing reserves of the Borrower and the Restricted Subsidiaries for each of the third, fourth and fifth years of the forthcoming five year period. As used in this Section, “forecasted production from proved producing reserves” means the forecasted production of Crude Oil and Natural Gas as reflected in the most recent Reserve Report delivered to the Administrative Agent pursuant to Section 6.01, after giving effect to any pro forma adjustments for the consummation of any acquisitions or dispositions since the effective date of such Reserve Report. Once the Borrower or any Restricted Subsidiaries enters into a Swap Agreement or any hedge transaction pursuant to any Swap Agreement, the terms and conditions of such Swap Agreement and such hedge transaction may not be amended or modified, nor may such Swap Agreement or hedge transaction be cancelled without the prior written consent of Required Lenders. Each Credit Party and each Lender agrees and acknowledges that (i) the Existing Swap Agreements are Swap Agreements permitted under this Section 7.05, (ii) as of the Effective Date, the counterparty to each Existing Swap Agreement is a Lender Counterparty, and (iii) the obligations of the Credit Parties under the

Existing Swap Agreements are included in the defined term “Obligations” and such obligations are entitled to the benefits of, and are secured by the Liens granted under, the Security Instruments.

Section 7.06. Restricted Payments. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, declare or make, or agree to pay or make, directly or indirectly, any Restricted Payment, except that (a) the Borrower may declare and pay dividends with respect to its Equity Interests payable solely in additional partnership interests, (b) the Borrower may make Restricted Payments pursuant to and in accordance with stock option plans or other benefit plans for management or employees of the Borrower and its Restricted Subsidiaries in an aggregate amount not to exceed $1,000,000 in any fiscal year, (c) any Restricted Subsidiary may make Restricted Payments to the Borrower or any Guarantor and (d) on the Effective Date, the Borrower may declare and pay a dividend to the holders of its Equity Interests in an aggregate amount not to exceed $150,000,000; provided that the proceeds of such dividend are used by such holders to pay in full the CapEx Reimbursement Obligation incurred by the MLP in connection with the EXCO Transfers and Conversions.

Section 7.07. Transactions with Affiliates. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, sell, lease or otherwise transfer any property or assets to, or purchase, lease or otherwise acquire any property or assets from, or otherwise engage in any other transactions with, any of its Affiliates, except (a) in the ordinary course of business at prices and on terms and conditions not less favorable to the Borrower or such Restricted Subsidiary than could be obtained on an arm’s-length basis from unrelated third parties, (b) transactions between or among the Borrower and its Restricted Subsidiaries not involving any other Affiliate, (c) transactions described on Schedule 7.07, (d) any Restricted Payment permitted by Section 7.06 and (e) the sales, transfers or other dispositions permitted under Section 7.03(a)(vi), and (f) the transactions contemplated by the MLP Contribution Documents.

Section 7.08. Restrictive Agreements. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, directly or indirectly, enter into, incur or permit to exist any agreement or other arrangement that prohibits, restricts or imposes any condition upon (a) the ability of the Borrower or any Restricted Subsidiary to create, incur or permit to exist any Lien upon any of its property or assets, or (b) the ability of any Restricted Subsidiary to pay dividends or other distributions with respect to any of its Equity Interests or to make or repay loans or advances to the Borrower or any Restricted Subsidiary or to Guarantee Indebtedness of the Borrower or any Restricted Subsidiary; provided that (i) the foregoing shall not apply to restrictions and conditions imposed by law or by this Agreement, (ii) the foregoing shall not apply to restrictions and conditions set forth in the Revolving Facility Documents, (iii) the foregoing shall not apply to restrictions and conditions existing on the date hereof identified on Schedule 7.08 (but shall apply to any extension or renewal of, or any amendment or modification expanding the scope of, any such restriction or condition), (iv) clause (a) of the foregoing shall not apply to restrictions or conditions imposed by any agreement relating to secured Indebtedness permitted by this Agreement (other than the Revolving Facility) if such restrictions or conditions apply only to the property or assets securing such Indebtedness and (v) clause (a)

of the foregoing shall not apply to customary provisions in leases and other contracts restricting the assignment thereof.

Section 7.09. Disqualified Stock. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, issue any Disqualified Stock.

Section 7.10. Amendments to Organizational Documents and Certain Liens and Guarantees. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to, enter into or permit any material modification or amendment of, or waive any material right or obligation of any Person under its Organizational Documents. The Borrower will not, nor will it permit any of its Restricted Subsidiaries to grant any Liens in any assets of the Borrower or any of its Subsidiaries to secure the Indebtedness under the Revolving Facility Documents unless each Credit Party granting such Lien also grants a Lien on such assets to the Administrative Agent for the benefit of the Secured Parties. The Borrower will not permit any Subsidiary to Guarantee all or any part of the Indebtedness under the Revolving Facility Documents unless such Subsidiary is (or concurrently with any such Guarantee becomes) a Guarantor.

Section 7.11. Financial Covenants.

(a) NPV.

(i) The Borrower will not permit the ratio, determined on March 1, 2007, but as of the immediately preceding December 31 of (i) NPV to (ii) Consolidated Funded Indebtedness to be less than 1.15 to 1.00.

(ii) The Borrower will not permit the ratio, determined on March 1 and September 1 of each year, but as of the immediately preceding December 31 and June 30, respectively (beginning September 1, 2007) of (i) NPV to (ii) Consolidated Funded Indebtedness to be less than 1.25 to 1.00.

(b) Leverage Ratio.

(i) The Borrower will not permit the ratio, determined as of the end of any fiscal quarter ending after December 31, 2006 and on or before June 30, 2007, of (A) Consolidated Funded Indebtedness as of the end of such fiscal quarter, to (B) Consolidated EBITDAX for the period from October 1, 2006 to the end of such fiscal quarter multiplied by a fraction, the numerator of which is four (4) and the denominator of which is the number of fiscal quarters ended since October 1, 2006, including the then ending fiscal quarter, to be greater than 5.50 to 1.00.

(ii) The Borrower will not permit the ratio, determined as of the end of any fiscal quarter ending on or after September 30, 2007, of (A) Consolidated Funded Indebtedness as of the end of such fiscal quarter to (B) Consolidated

EBITDAX for the trailing four fiscal quarter period ending on such date, to be greater than 5.50 to 1.00.

(c) Interest Coverage Ratio.

(i) The Borrower will not permit the ratio, determined as of the end of any fiscal quarter, ending after December 31, 2006 and on or before June 30, 2007, of (A) Consolidated EBITDAX for the period from October 1, 2006 to the end of such fiscal quarter multiplied by a fraction, the numerator of which is four (4) and the denominator of which is the number of fiscal quarters ended since October 1, 2006, including the then ending fiscal quarter to (B) Consolidated Interest Expense for the period from October 1, 2006 to the end of such fiscal quarter multiplied by a fraction, the numerator of which is four (4) and the denominator of which is the number of fiscal quarters ended since October 1, 2006, including the then ending fiscal quarter, to be less than 2.00 to 1.00.

(ii) The Borrower will not permit the ratio, determined as of the end of any fiscal quarter ending on or after September 30, 2007, of (A) Consolidated EBITDAX for the trailing four fiscal quarter period ending on such date, to (B) Consolidated Interest Expense for such four fiscal quarter period to be less than 2.00 to 1.00

Section 7.12. Sale and Leaseback Transactions and other Off-Balance Sheet Liabilities. The Borrower will not, nor will it permit any Restricted Subsidiary to, enter into or suffer to exist any (i) Sale and Leaseback Transaction or (ii) any other transaction pursuant to which it incurs or has incurred Off-Balance Sheet Liabilities, except for Swap Agreements permitted under the terms of Section 7.05 and Advance Payment Contracts; provided, that the aggregate amount of all Advance Payments received by any Credit Party that have not been satisfied by delivery of production at any time does not exceed, in the aggregate $1,000,000.

Section 7.13. Capital Expenditures. The Borrower will not make or commit to make, nor will it permit any Restricted Subsidiary to make or commit to make, any Capital Expenditure, except Capital Expenditures of the Borrower and its Restricted Subsidiaries in the ordinary course of business not exceeding $125,000,000 in any fiscal year; provided, that (a) up to $25,000,000 of any such amount referred to above, if not so expended in the fiscal year for which it is permitted, may be carried over for expenditure in the next succeeding fiscal year and (b) Capital Expenditures made pursuant to this Section during any fiscal year shall be deemed made, first, in respect of amounts permitted for such fiscal year as provided above and, second, in respect of amounts carried over from the prior fiscal year pursuant to clause (a) above.

Article VIII

Guarantee of Obligations

Section 8.01. Guarantee of Payment. Each Guarantor unconditionally and irrevocably guarantees to the Administrative Agent for the benefit of the Secured Parties, the punctual payment of all Obligations now or which may in the future be owing by the Borrower under the Loan Documents and all Obligations which may now or which may in the future be owing by the Borrower or any other Guarantor to any Secured Party under any Swap Agreement (the “Guaranteed Liabilities”). This Guarantee is a guaranty of payment and not of collection only. The Administrative Agent shall not be required to exhaust any right or remedy or take any action against the Borrower or any other Person or any collateral. The Guaranteed Liabilities include interest accruing after the commencement of a proceeding under bankruptcy, insolvency or similar laws of any jurisdiction at the rate or rates provided in the Loan Documents, or the Swap Agreements between any Credit Party and any Secured Party, as the case may be, regardless of whether such interest is an allowed claim. Each Guarantor agrees that, as between the Guarantor and the Administrative Agent, the Guaranteed Liabilities may be declared to be due and payable for the purposes of this Guarantee notwithstanding any stay, injunction or other prohibition which may prevent, delay or vitiate any declaration as regards the Borrower or any other Guarantor and that in the event of a declaration or attempted declaration, the Guaranteed Liabilities shall immediately become due and payable by each Guarantor for the purposes of this Guarantee.

Section 8.02. Guarantee Absolute. Each Guarantor guarantees that the Guaranteed Liabilities shall be paid strictly in accordance with the terms of this Agreement and the Swap Agreements to which any Secured Party is a party. The liability of each Guarantor hereunder is absolute and unconditional irrespective of: (a) any change in the time, manner or place of payment of, or in any other term of, all or any of the Loan Documents or the Guaranteed Liabilities, or any other amendment or waiver of or any consent to departure from any of the terms of any Loan Document or Guaranteed Liability, including any increase or decrease in the rate of interest thereon; (b) any release or amendment or waiver of, or consent to departure from, any other guaranty or support document, or any exchange, release or non-perfection of any collateral, for all or any of the Loan Documents or Guaranteed Liabilities; (c) any present or future law, regulation or order of any jurisdiction (whether of right or in fact) or of any agency thereof purporting to reduce, amend, restructure or otherwise affect any term of any Loan Document or Guaranteed Liability; (d) without being limited by the foregoing, any lack of validity or enforceability of any Loan Document or Guaranteed Liability; and (e) any other setoff, defense or counterclaim whatsoever (in any case, whether based on contract, tort or any other theory) with respect to the Loan Documents or the transactions contemplated thereby which might constitute a legal or equitable defense available to, or discharge of, the Borrower or a Guarantor.

Section 8.03. Guarantee Irrevocable. This Guarantee is a continuing guaranty of the payment of all Guaranteed Liabilities now or hereafter existing under this Agreement and such Swap Agreements to which any Secured Party is a party and shall remain in full force and effect

until payment in full of all Guaranteed Liabilities and other amounts payable hereunder and until this Agreement and the Swap Agreements are no longer in effect or, if earlier, when the Guarantor has given the Administrative Agent written notice that this Guarantee has been revoked; provided that any notice under this Section shall not release the revoking Guarantor from any Guaranteed Liability, absolute or contingent, existing prior to the Administrative Agent’s actual receipt of the notice at its branches or departments responsible for this Agreement and such Swap Agreements and reasonable opportunity to act upon such notice.

Section 8.04. Reinstatement. This Guarantee shall continue to be effective or be reinstated, as the case may be, if at any time any payment of any of the Guaranteed Liabilities is rescinded or must otherwise be returned by any Secured Party on the insolvency, bankruptcy or reorganization of the Borrower, or any other Credit Party, or otherwise, all as though the payment had not been made.

Section 8.05. Subrogation. No Guarantor shall exercise any rights which it may acquire by way of subrogation, by any payment made under this Guarantee or otherwise, until all the Guaranteed Liabilities have been paid in full and this Agreement and the Swap Agreements to which any Lender Counterparty is a party are no longer in effect. If any amount is paid to the Guarantor on account of subrogation rights under this Guarantee at any time when all the Guaranteed Liabilities have not been paid in full, the amount shall be held in trust for the benefit of the Lenders and the Lender Counterparties and shall be promptly paid to the Administrative Agent to be credited and applied to the Guaranteed Liabilities, whether matured or unmatured or absolute or contingent, in accordance with the terms of this Agreement and such Swap Agreements. If any Guarantor makes payment to the Administrative Agent, Lenders, or any Lender Counterparties of all or any part of the Guaranteed Liabilities and all the Guaranteed Liabilities are paid in full and this Agreement and such Swap Agreements are no longer in effect, the Administrative Agent, Lenders and Lender Counterparties shall, at such Guarantor’s request, execute and deliver to such Guarantor appropriate documents, without recourse and without representation or warranty, necessary to evidence the transfer by subrogation to such Guarantor of an interest in the Guaranteed Liabilities resulting from the payment.

Section 8.06. Subordination. Without limiting the rights of the Administrative Agent, the Lenders and the Lender Counterparties under any other agreement, any liabilities owed by the Borrower to any Guarantor in connection with any extension of credit or financial accommodation by any Guarantor to or for the account of the Borrower, including but not limited to interest accruing at the agreed contract rate after the commencement of a bankruptcy or similar proceeding, are hereby subordinated to the Guaranteed Liabilities, and such liabilities of the Borrower to such Guarantor, if the Administrative Agent so requests, shall be collected, enforced and received by any Guarantor as trustee for the Administrative Agent and shall be paid over to the Administrative Agent on account of the Guaranteed Liabilities but without reducing or affecting in any manner the liability of the Guarantor under the other provisions of this Guarantee.

Section 8.07. Payments Generally. All payments by the Guarantors shall be made in the manner, at the place and in the currency (the “Payment Currency”) required by the Loan

Documents and the Swap Agreement to which any Lender Counterparty is a party, as the case may be; provided, however, that (if the Payment Currency is other than Dollars) any Guarantor may, at its option (or, if for any reason whatsoever any Guarantor is unable to effect payments in the foregoing manner, such Guarantor shall be obligated to) pay to the Administrative Agent at its principal office the equivalent amount in Dollars computed at the selling rate of the Administrative Agent or a selling rate chosen by the Administrative Agent, most recently in effect on or prior to the date the Guaranteed Liability becomes due, for cable transfers of the Payment Currency to the place where the Guaranteed Liability is payable. In any case in which any Guarantor makes or is obligated to make payment in Dollars, the Guarantor shall hold the Administrative Agent, the Lenders and the Lender Counterparties harmless from any loss incurred by the Administrative Agent, any Lender or any Lender Counterparty arising from any change in the value of Dollars in relation to the Payment Currency between the date the Guaranteed Liability becomes due and the date the Administrative Agent, such Lender or such Lender Counterparty is actually able, following the conversion of the Dollars paid by such Guarantor into the Payment Currency and remittance of such Payment Currency to the place where such Guaranteed Liability is payable, to apply such Payment Currency to such Guaranteed Liability.

Section 8.08. Setoff. Each Guarantor agrees that, in addition to (and without limitation of) any right of setoff, banker’s lien or counterclaim the Administrative Agent, any Lender or any Lender Counterparty may otherwise have, the Administrative Agent, such Lender or such Lender Counterparty shall be entitled, at its option, to offset balances (general or special, time or demand, provisional or final) held by it for the account of any Guarantor at any office of the Administrative Agent, such Lender or such Lender Counterparty, in Dollars or in any other currency, against any amount payable by such Guarantor under this Guarantee which is not paid when due (regardless of whether such balances are then due to such Guarantor), in which case it shall promptly notify such Guarantor thereof; provided that the failure of the Administrative Agent, such Lender, or such Lender Counterparty to give such notice shall not affect the validity thereof.

Section 8.09. Formalities. Each Guarantor waives presentment, notice of dishonor, protest, notice of acceptance of this Guarantee or incurrence of any Guaranteed Liability and any other formality with respect to any of the Guaranteed Liabilities or this Guarantee.

Section 8.10. Limitations on Guarantee. The provisions of the Guarantee under this Article VIII 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 Guarantor under this Guarantee would otherwise be held or determined to be avoidable, invalid or unenforceable on account of the amount of such Guarantor’s liability under this Guarantee, then, notwithstanding any other provision of this Guarantee to the contrary, the amount of such liability shall, without any further action by the Guarantors, the Administrative Agent, any Lender or any Lender Counterparty, 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 Guarantor’s “Maximum Liability”). This Section 8.10 with respect to the Maximum

Liability of the Guarantors is intended solely to preserve the rights of the Administrative Agent, Lenders and Lender Counterparties hereunder to the maximum extent not subject to avoidance under applicable law, and no Guarantor nor any other Person shall have any right or claim under this Section 8.10 with respect to the Maximum Liability, except to the extent necessary so that none of the obligations of any Guarantor hereunder shall not be rendered voidable under applicable law.

Article IX

Events of Default

If any of the following events (“Events of Default”) shall occur:

(a) the Borrower shall fail to pay any principal of any Loan when and as the same shall become due and payable, whether at the due date thereof or at a date fixed for prepayment thereof or otherwise;

(b) the Borrower shall fail to pay any interest on any Loan or any fee or any other amount (other than an amount referred to in clause (a) of this Article) payable under this Agreement, when and as the same shall become due and payable, and such failure shall continue unremedied for a period of three days;

(c) any representation or warranty made or deemed made by or on behalf of the Borrower or any Restricted Subsidiary in or in connection with this Agreement or any amendment or modification hereof or waiver hereunder, or in any report, certificate, financial statement or other document furnished pursuant to or in connection with this Agreement or any amendment or modification hereof or waiver hereunder or in any Loan Document furnished pursuant to or in connection with this Agreement or any amendment or modification thereof or waiver hereunder, shall prove to have been incorrect in any material respect when made or deemed made;

(d) the Borrower or any Restricted Subsidiary shall fail to observe or perform any covenant, condition or agreement contained in Section 2.10, Section 6.01, Section 6.02, Section 6.03 (with respect to the Borrower or any Restricted Subsidiary’s existence), Section 6.05 (with respect to insurance), Section 6.08, or in Article VII;

(e) the Borrower or any Restricted Subsidiary shall fail to observe or perform any covenant, condition or agreement contained in this Agreement (other than those specified in clause (a), (b) or (d) of this Article) or any Loan Document, and such failure shall continue unremedied for a period of 30 days after notice thereof from the Administrative Agent to the Borrower (which notice will be given at the request of any Lender);

(f) the Borrower or any Restricted Subsidiary shall fail to make any payment (whether of principal or interest and regardless of amount) in respect of any Material

Indebtedness, when and as the same shall become due and payable; provided that this clause (f) shall not apply to Indebtedness under the Revolving Facility unless the holder or holders of any Indebtedness under the Revolving Facility or any trustee or agent on its or their behalf have caused such Indebtedness to become due prior to its scheduled maturity;

(g) any event or condition occurs that results in any Material Indebtedness becoming due prior to its scheduled maturity or that enables or permits the holder or holders of any Material Indebtedness or any trustee or agent on its or their behalf to cause any Material Indebtedness to become due, or to require the prepayment, repurchase, redemption or defeasance thereof, prior to its scheduled maturity; provided that this clause (g) shall not apply to (i) secured Indebtedness that becomes due as a result of the voluntary sale or transfer of the property or assets securing such Indebtedness and (ii) Indebtedness under the Revolving Facility unless the holder or holders of any Indebtedness under the Revolving Facility or any trustee or agent on its or their behalf have caused such Indebtedness to become due prior to its scheduled maturity;

(h) an involuntary proceeding shall be commenced or an involuntary petition shall be filed seeking (i) liquidation, reorganization or other relief in respect of the Borrower or any Restricted Subsidiary or its debts, or of a substantial part of its assets, under any Federal, state or foreign bankruptcy, insolvency, receivership or similar law now or hereafter in effect or (ii) the appointment of a receiver, trustee, custodian, sequestrator, conservator or similar official for the Borrower or any Restricted Subsidiary or for a substantial part of its assets, and, in any such case, such proceeding or petition shall continue undismissed for 60 days or an order or decree approving or ordering any of the foregoing shall be entered;

(i) the Borrower or any Restricted Subsidiary shall (i) voluntarily commence any proceeding or file any petition seeking liquidation, reorganization or other relief under any Federal, state or foreign bankruptcy, insolvency, receivership or similar law now or hereafter in effect, (ii) consent to the institution of, or fail to contest in a timely and appropriate manner, any proceeding or petition described in clause (h) of this Article, (iii) apply for or consent to the appointment of a receiver, trustee, custodian, sequestrator, conservator or similar official for the Borrower or any Restricted Subsidiary or for a substantial part of its assets, (iv) file an answer admitting the material allegations of a petition filed against it in any such proceeding, (v) make a general assignment for the benefit of creditors or (vi) take any action for the purpose of effecting any of the foregoing;

(j) the Borrower or any Restricted Subsidiary shall become unable, admit in writing its inability or fail generally to pay its debts as they become due;

(k) one or more judgments for the payment of money in an aggregate amount in excess of $5,000,000 shall be rendered against the Borrower or any Restricted Subsidiary or any combination thereof and the same shall remain undischarged for a

period of 30 consecutive days during which execution shall not be effectively stayed, or any action shall be legally taken by a judgment creditor to attach or levy upon any assets of the Borrower or any Restricted Subsidiary to enforce any such judgment;

(l) an ERISA Event shall have occurred that, in the opinion of the Required Lenders, when taken together with all other ERISA Events that have occurred, could reasonably be expected to result in a Material Adverse Effect;

(m) the delivery by any Guarantor to the Administrative Agent of written notice that its Guarantee under Article VIII has been revoked or is otherwise declared invalid or unenforceable;

(n) (i) any representation or warranty made by the Equity Contributor in the Equity Contribution Agreement shall prove to have been incorrect in any material respect when made, (ii) the Equity Contributor shall fail to observe or perform any covenant, condition or agreement contained in the Equity Contribution Agreement (including, without limitation, the agreements in Sections 2.1 and 4.2 thereof) or (iii) the delivery by the Equity Contributor of written notice that its obligations under Section 2.1 of the Equity Contribution Agreement have been revoked or are otherwise declared invalid or unenforceable;

(o) a Change of Control shall occur;

then, and in every such event (other than an event with respect to the Borrower or any Restricted Subsidiary described in clause (h) or (i) of this Article), and at any time thereafter during the continuance of such event, the Administrative Agent may, and at the request of the Required Lenders shall, by notice to the Borrower, declare the Loans then outstanding to be due and payable in whole (or in part, in which case any principal not so declared to be due and payable may thereafter be declared to be due and payable), and thereupon the principal of the Loans so declared to be due and payable, together with accrued interest thereon and all fees and other obligations of the Borrower accrued hereunder, shall become due and payable immediately, without presentment, demand, protest or other notice of any kind, all of which are hereby waived by the Borrower; and in case of any event with respect to the Borrower described in clause (h) or (i) of this Article, the principal of the Loans then outstanding, together with accrued interest thereon and all fees and other obligations of the Borrower accrued hereunder, shall automatically become due and payable, without presentment, demand, protest or other notice of any kind, all of which are hereby waived by the Borrower.

Article X

The Administrative Agent

Each of the Lenders hereby irrevocably appoints the Administrative Agent as its agent and authorizes the Administrative Agent to take such actions on its behalf and to exercise such

powers as are delegated to the Administrative Agent by the terms hereof, together with such actions and powers as are reasonably incidental thereto.

The bank serving as the Administrative Agent hereunder shall have the same rights and powers in its capacity as a Lender as any other Lender and may exercise the same as though it were not the Administrative Agent, and such bank and its Affiliates may accept deposits from, lend money to and generally engage in any kind of business with any Credit Party or other Affiliate thereof as if it were not the Administrative Agent hereunder.

The Administrative Agent shall not have any duties or obligations except those expressly set forth herein. Without limiting the generality of the foregoing, (a) the Administrative Agent shall not be subject to any fiduciary or other implied duties, regardless of whether a Default has occurred and is continuing, (b) the Administrative Agent shall not have any duty to take any discretionary action or exercise any discretionary powers, except discretionary rights and powers expressly contemplated hereby that the Administrative Agent is required to exercise in writing as directed by the Required Lenders (or such other number or percentage of the Lenders as shall be necessary under the circumstances as provided in Section 11.02), and (c) except as expressly set forth herein, the Administrative Agent shall not have any duty to disclose, and shall not be liable for the failure to disclose, any information relating to any Credit Party that is communicated to or obtained by the bank serving as Administrative Agent or any of its Affiliates in any capacity. The Administrative Agent shall not be liable for any action taken or not taken by it with the consent or at the request of the Required Lenders (or such other number or percentage of the Lenders as shall be necessary under the circumstances as provided in Section 11.02) or in the absence of its own gross negligence or willful misconduct. The Administrative Agent shall be deemed not to have knowledge of any Default unless and until written notice thereof is given to the Administrative Agent by the Borrower or a Lender, and the Administrative Agent shall not be responsible for or have any duty to ascertain or inquire into (i) any statement, warranty or representation made in or in connection with this Agreement, (ii) the contents of any certificate, report or other document delivered hereunder or in connection herewith, (iii) the performance or observance of any of the covenants, agreements or other terms or conditions set forth herein, (iv) the validity, enforceability, effectiveness or genuineness of this Agreement or any other agreement, instrument or document, or (v) the satisfaction of any condition set forth in Article V or elsewhere herein, other than to confirm receipt of items expressly required to be delivered to the Administrative Agent.

The Administrative Agent shall be entitled to rely upon, and shall not incur any liability for relying upon, any notice, request, certificate, consent, statement, instrument, document or other writing believed by it to be genuine and to have been signed or sent by the proper Person. The Administrative Agent also may rely upon any statement made to it orally or by telephone and believed by it to be made by the proper Person, and shall not incur any liability for relying thereon. The Administrative Agent may consult with legal counsel (who may be counsel for the Borrower), independent accountants and other experts selected by it, and shall not be liable for any action taken or not taken by it in accordance with the advice of any such counsel, accountants or experts.

The Administrative Agent may perform any and all its duties and exercise its rights and powers by or through any one or more sub-agents appointed by the Administrative Agent. The Administrative Agent and any such sub-agent may perform any and all its duties and exercise its rights and powers through their respective Related Parties. The exculpatory provisions of the preceding paragraphs shall apply to any such sub-agent and to the Related Parties of the Administrative Agent and any such sub-agent, and shall apply to their respective activities in connection with the syndication of the credit facilities provided for herein as well as activities as Administrative Agent.

Subject to the appointment and acceptance of a successor Administrative Agent as provided in this paragraph, the Administrative Agent may resign at any time by notifying the Lenders and the Borrower. Upon any such resignation, the Required Lenders shall have the right, in consultation with the Borrower, to appoint a successor. If no successor shall have been so appointed by the Required Lenders and shall have accepted such appointment within 30 days after the retiring Administrative Agent gives notice of its resignation, then the retiring Administrative Agent may, on behalf of the Lenders appoint a successor Administrative Agent which shall be a bank with an office in Chicago, Illinois or New York, New York, or an Affiliate of any such bank. Upon the acceptance of its appointment as Administrative Agent hereunder by a successor, such successor shall succeed to and become vested with all the rights, powers, privileges and duties of the retiring Administrative Agent, and the retiring Administrative Agent shall be discharged from its duties and obligations hereunder. The fees payable by the Borrower to a successor Administrative Agent shall be the same as those payable to its predecessor unless otherwise agreed between the Borrower and such successor. After the Administrative Agent’s resignation hereunder, the provisions of this Article and Section 11.03 shall continue in effect for the benefit of such retiring Administrative Agent, its sub-agents and their respective Related Parties in respect of any actions taken or omitted to be taken by any of them while it was acting as Administrative Agent.

Each Lender acknowledges that it has, independently and without reliance upon the Administrative Agent or any other Lender and based on such documents and information as it has deemed appropriate, made its own credit analysis and decision to enter into this Agreement. Each Lender also acknowledges that it will, independently and without reliance upon the Administrative Agent or any other Lender and based on such documents and information as it shall from time to time deem appropriate, continue to make its own decisions in taking or not taking action under or based upon this Agreement, any related agreement or any document furnished hereunder or thereunder.

Article XI

Miscellaneous

Section 11.01. Notices.

(a) Except in the case of notices and other communications expressly permitted to be given by telephone (and subject to paragraph (b) below), all notices and

other communications provided for herein shall be in writing and shall be delivered by hand or overnight courier service, mailed by certified or registered mail or sent by telecopy, as follows:

(i) if to the Borrower, to EXCO Partners Operating Partnership, LP, c/o EXCO Resources, Inc., ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇▇, Attention: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇, Chief Executive Officer and Attention: J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Chief Financial Officer, Telecopy No. (▇▇▇) ▇▇▇-▇▇▇▇;

(ii) if to the Administrative Agent to JPMorgan Chase Bank, N.A., ▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇., ▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, Telecopy No.: (▇▇▇) ▇▇▇-▇▇▇▇, Attention: ▇▇▇▇ ▇▇▇▇▇▇▇▇▇, with a copy to JPMorgan Chase Bank, N.A., ▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇-▇▇▇▇, ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇▇, Telecopy No. (▇▇▇) ▇▇▇-▇▇▇▇, Attention: Wm. ▇▇▇▇ ▇▇▇▇▇▇▇, Senior Vice President; and

(iii) if to any other Lender, to it at its address (or telecopy number) set forth in its Administrative Questionnaire.

(b) Notices and other communications to the Lenders hereunder may be delivered or furnished by electronic communications pursuant to procedures approved by the Administrative Agent; provided that the foregoing shall not apply to notices pursuant to Article II unless otherwise agreed by the Administrative Agent and the applicable Lender. The Administrative Agent or the Borrower may, in their discretion, agree to accept notices and other communications to it hereunder by electronic communications pursuant to procedures approved by it; provided that approval of such procedures may be limited to particular notices or communications.

(c) Any party hereto may change its address or telecopy number for notices and other communications hereunder by notice to the other parties hereto. All notices and other communications given to any party hereto in accordance with the provisions of this Agreement shall be deemed to have been given on the date of receipt.

Section 11.02. Waivers; Amendments.

(a) No failure or delay by the Administrative Agent or any Lender in exercising any right or power hereunder shall operate as a waiver thereof, nor shall any single or partial exercise of any such right or power, or any abandonment or discontinuance of steps to enforce such a right or power, preclude any other or further exercise thereof or the exercise of any other right or power. The rights and remedies of the Administrative Agent and the Lenders hereunder are cumulative and are not exclusive of any rights or remedies that they would otherwise have. No waiver of any provision of this Agreement or consent to any departure by the Borrower therefrom shall in any event be effective unless the same shall be permitted by paragraph (b) of this Section, and then such waiver or consent shall be effective only in the specific instance and for the purpose for which given. Without limiting the generality of the foregoing, the making of a Loan

shall not be construed as a waiver of any Default, regardless of whether the Administrative Agent or any Lender may have had notice or knowledge of such Default at the time.

(b) Neither this Agreement nor any provision hereof may be waived, amended or modified except pursuant to an agreement or agreements in writing entered into by the Credit Parties and the Required Lenders or by the Credit Parties and the Administrative Agent with the consent of the Required Lenders, and neither the Equity Contribution Agreement nor any provision thereof may be waived, amended or modified except pursuant to an agreement or agreements in writing entered into by the Equity Contributor, the Borrower and the Required Lenders or by the Equity Contributor, the Borrower and the Administrative Agent with the consent of the Required Lenders; provided that no such agreement shall (1) reduce the principal amount of any Loan or reduce the rate of interest thereon, or reduce any fees payable hereunder, without the written consent of each Lender affected thereby, (2) postpone the scheduled date of payment of the principal amount of any Loan or any interest thereon, or any fees payable hereunder, or reduce the amount of, waive or excuse any such payment, or postpone the Maturity Date, without the written consent of each Lender affected thereby, (3) change Section 2.17(b) or Section 2.17(c) in a manner that would alter the pro rata sharing of payments required thereby, without the written consent of each Lender, (4) release any Credit Party from its obligations under the Loan Documents or, except in connection with any sales, transfers, leases or other dispositions permitted in Section 7.03, release any of the Collateral without the written consent of each Lender, (5) change any of the provisions of this Section or the definition of “Required Lenders” or any other provision hereof specifying the number or percentage of Lenders required to waive, amend or modify any rights hereunder or make any determination or grant any consent hereunder, without the written consent of each Lender or (6) waive any prepayment penalty, without the written consent of each Lender; provided further that no such agreement shall amend, modify or otherwise affect the rights or duties of the Administrative Agent hereunder without the prior written consent of the Administrative Agent.

Section 11.03. Expenses; Indemnity; Damage Waiver.

(a) The Borrower shall pay (i) all reasonable out-of-pocket expenses incurred by the Administrative Agent and its Affiliates, including the reasonable fees, charges and disbursements of counsel for the Administrative Agent, in connection with the syndication of the credit facilities provided for herein, the preparation and administration of this Agreement and the other Loan Documents or any amendments, modifications or waivers of the provisions hereof (whether or not the transactions contemplated hereby or thereby shall be consummated) and (ii) all out-of-pocket expenses incurred by the Administrative Agent or any Lender, including the fees, charges and disbursements of any counsel for the Administrative Agent or any Lender, in connection with the enforcement or protection of its rights in connection with the Loan Documents, including its rights under this Section, or in connection with the Loans made hereunder, including

all such out-of-pocket expenses incurred during any workout, restructuring or negotiations in respect of such Loans.

(b) THE CREDIT PARTIES SHALL INDEMNIFY THE ADMINISTRATIVE AGENT AND EACH LENDER, AND EACH RELATED PARTY OF ANY OF THE FOREGOING PERSONS (EACH SUCH PERSON BEING CALLED AN “INDEMNITEE”) AGAINST, AND HOLD EACH INDEMNITEE HARMLESS FROM, ANY AND ALL LOSSES, CLAIMS, DAMAGES, LIABILITIES AND RELATED EXPENSES, INCLUDING THE FEES, CHARGES AND DISBURSEMENTS OF ANY COUNSEL FOR ANY INDEMNITEE, INCURRED BY OR ASSERTED AGAINST ANY INDEMNITEE ARISING OUT OF, IN CONNECTION WITH, OR AS A RESULT OF (I) THE EXECUTION OR DELIVERY OF THIS AGREEMENT OR ANY AGREEMENT OR INSTRUMENT CONTEMPLATED HEREBY, THE PERFORMANCE BY THE PARTIES HERETO OF THEIR RESPECTIVE OBLIGATIONS HEREUNDER OR THE CONSUMMATION OF THE TRANSACTIONS OR ANY OTHER TRANSACTIONS CONTEMPLATED HEREBY, (II) ANY LOAN OR THE USE OF THE PROCEEDS THEREFROM, (III) ANY ACTUAL OR ALLEGED PRESENCE OR RELEASE OF HAZARDOUS MATERIALS ON OR FROM ANY PROPERTY OWNED OR OPERATED BY THE BORROWER OR ANY SUBSIDIARY, OR ANY ENVIRONMENTAL LIABILITY RELATED IN ANY WAY TO THE BORROWER OR ANY SUBSIDIARY, OR (IV) ANY ACTUAL OR PROSPECTIVE CLAIM, LITIGATION, INVESTIGATION OR PROCEEDING RELATING TO ANY OF THE FOREGOING, WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY AND REGARDLESS OF WHETHER ANY INDEMNITEE IS A PARTY THERETO; PROVIDED THAT SUCH INDEMNITY SHALL NOT, AS TO ANY INDEMNITEE, BE AVAILABLE TO THE EXTENT THAT SUCH LOSSES, CLAIMS, DAMAGES, LIABILITIES OR RELATED EXPENSES ARE DETERMINED BY A COURT OF COMPETENT JURISDICTION BY FINAL AND NONAPPEALABLE JUDGMENT TO HAVE RESULTED FROM THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF SUCH INDEMNITEE.

(c) To the extent that any Credit Party fails to pay any amount required to be paid by it to the Administrative Agent under paragraph (a) or (b) of this Section, each Lender severally agrees to pay to the Administrative Agent, such Lender’s Applicable Percentage (in each case, determined as of the time that the applicable unreimbursed expense or indemnity payment is sought) of such unpaid amount; provided that the unreimbursed expense or indemnified loss, claim, damage, liability or related expense, as the case may be, was incurred by or asserted against the Administrative Agent in its capacity as such.

(d) TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE CREDIT PARTIES SHALL NOT ASSERT, AND HEREBY WAIVE, ANY

CLAIM AGAINST ANY INDEMNITEE, ON ANY THEORY OF LIABILITY, FOR SPECIAL, INDIRECT, CONSEQUENTIAL OR PUNITIVE DAMAGES (AS OPPOSED TO DIRECT OR ACTUAL DAMAGES) ARISING OUT OF, IN CONNECTION WITH, OR AS A RESULT OF, THIS AGREEMENT OR ANY AGREEMENT OR INSTRUMENT CONTEMPLATED HEREBY, THE TRANSACTIONS, ANY LOAN OR LETTER OF CREDIT OR THE USE OF THE PROCEEDS THEREOF.

(e) All amounts due under this Section shall be payable not later than 10 days after written demand therefor.

Section 11.04. Successors and Assigns.

(a) The provisions of this Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns permitted hereby, except that (i) no Credit Party may assign or otherwise transfer any of its rights or obligations hereunder without the prior written consent of each Lender (and any attempted assignment or transfer by such Credit Party without such consent shall be null and void) and (ii) no Lender may assign or otherwise transfer its rights or obligations hereunder except in accordance with this Section. Nothing in this Agreement, expressed or implied, shall be construed to confer upon any Person (other than the parties hereto, their respective successors and assigns permitted hereby, Participants (to the extent provided in paragraph (c) of this Section) and, to the extent expressly contemplated hereby, the Related Parties of each of the Administrative Agent and the Lenders) any legal or equitable right, remedy or claim under or by reason of this Agreement.

(b)

(i) Subject to the conditions set forth in paragraph (b)(ii) below, any Lender may assign to one or more assignees all or a portion of its rights and obligations under this Agreement (including all or a portion of the Loans at the time owing to it) with the prior written consent (such consent not to be unreasonably withheld) of:

(A) the Borrower, provided that no consent of the Borrower shall be required for an assignment to a Lender, an Affiliate of a Lender, a Federal Reserve Bank, an Approved Fund or, if an Event of Default has occurred and is continuing, any other assignee; and

(B) the Administrative Agent, provided that no consent of the Administrative Agent shall be required for an assignment of any Loans to an assignee that is a Lender with a Loan immediately prior to giving effect to such assignment.

(ii) Assignments shall be subject to the following additional conditions:

(A) except in the case of an assignment to a Lender, an Affiliate of a Lender, an Approved Fund or an assignment of the entire remaining amount of the assigning Lender’s Loans, the amount of the Loans of the assigning Lender subject to each such assignment (determined as of the date the Assignment and Assumption with respect to such assignment is delivered to the Administrative Agent) shall not be less than $1,000,000 unless each of the Borrower and the Administrative Agent otherwise consent, provided that no such consent of the Borrower shall be required if an Event of Default has occurred and is continuing;

(B) each partial assignment shall be made as an assignment of a proportionate part of all the assigning Lender’s rights and obligations in respect of such Lender’s Loans under this Agreement;

(C) the parties to each assignment shall execute and deliver to the Administrative Agent an Assignment and Assumption, together with a processing and recordation fee of $3,500; and

(D) the assignee, if it shall not be a Lender, shall deliver to the Administrative Agent an Administrative Questionnaire.

For the purposes of this Section 11.04(b), the term “Approved Fund” has the following meaning:

“Approved Fund” means any Person (other than a natural person) that is engaged in making, purchasing, holding or investing in bank loans and similar extensions of credit in the ordinary course of its business and that is administered or managed by (a) a Lender, (b) an Affiliate of a Lender or (c) an entity or an Affiliate of an entity that administers or manages a Lender.

(iii) Subject to acceptance and recording thereof pursuant to paragraph (b)(iv) of this Section, from and after the effective date specified in each Assignment and Assumption the assignee thereunder shall be a party hereto and, to the extent of the interest assigned by such Assignment and Assumption, have the rights and obligations of a Lender under this Agreement, and the assigning Lender thereunder shall, to the extent of the interest assigned by such Assignment and Assumption, be released from its obligations under this Agreement (and, in the case of an Assignment and Assumption covering all of the assigning Lender’s rights and obligations under this Agreement, such Lender shall cease to be a party hereto but shall continue to be entitled to the benefits of Section 2.14, Section 2.15, Section 2.16 and Section 11.03). Any assignment or transfer by a Lender of rights or obligations under this Agreement that does not

comply with this Section 11.04 shall be treated for purposes of this Agreement as a sale by such Lender of a participation in such rights and obligations in accordance with paragraph (c) of this Section except that any attempted assignment or transfer by any Lender that does not comply with clause (C) of Section 11.04(b)(ii) shall be null and void.

(iv) The Administrative Agent, acting for this purpose as an agent of the Borrower, shall maintain at one of its offices a copy of each Assignment and Assumption delivered to it and a register for the recordation of the names and addresses of the Lenders, and principal amount of the Loans owing to each Lender pursuant to the terms hereof from time to time (the “Register”). The entries in the Register shall be conclusive, and the Credit Parties, the Administrative Agent and the Lenders may treat each Person whose name is recorded in the Register pursuant to the terms hereof as a Lender hereunder for all purposes of this Agreement, notwithstanding notice to the contrary. The Register shall be available for inspection by the Credit Parties and any Lender, at any reasonable time and from time to time upon reasonable prior notice.

(v) Upon its receipt of a duly completed Assignment and Assumption executed by an assigning Lender and an assignee, the assignee’s completed Administrative Questionnaire (unless the assignee shall already be a Lender hereunder), the processing and recordation fee referred to in paragraph (b) of this Section any written consent to such assignment required by paragraph (b) of this Section, the Administrative Agent shall accept such Assignment and Assumption and record the information contained therein in the Register; provided that if either the assigning Lender or the assignee shall have failed to make any payment required to be made by it pursuant to Section 2.06, Section 2.17(d) or Section 11.03(c), the Administrative Agent shall have no obligation to accept such Assignment and Assumption and record the information therein in the Register unless and until such payment shall have been made in full, together with all accrued interest thereon. No assignment shall be effective for purposes of this Agreement unless it has been recorded in the Register as provided in this paragraph.

(c)

(i) Any Lender may, without the consent of the Borrower or the Administrative Agent, sell participations to one or more banks or other entities (a “Participant”) in all or a portion of such Lender’s rights and obligations under this Agreement (including all or a portion of the Loans owing to it); provided that (A) such Lender’s obligations under this Agreement shall remain unchanged, (B) such Lender shall remain solely responsible to the other parties hereto for the performance of such obligations and (C) the Borrower, the Administrative Agent and the other Lenders shall continue to deal solely and directly with such Lender in connection with such Lender’s rights and obligations under this Agreement.

Any agreement or instrument pursuant to which a Lender sells such a participation shall provide that such Lender shall retain the sole right to enforce this Agreement and to approve any amendment, modification or waiver of any provision of this Agreement; provided that such agreement or instrument may provide that such Lender will not, without the consent of the Participant, agree to any amendment, modification or waiver described in the first proviso to Section 11.02(b) that affects such Participant. Subject to paragraph (c)(ii) of this Section, the Borrower agrees that each Participant shall be entitled to the benefits of Section 2.14, Section 2.15 and Section 2.16 to the same extent as if it were a Lender and had acquired its interest by assignment pursuant to paragraph (b) of this Section. To the extent permitted by law, each Participant also shall be entitled to the benefits of Section 11.08 as though it were a Lender, provided such Participant agrees to be subject to Section 2.17(c) as though it were a Lender.

(ii) A Participant shall not be entitled to receive any greater payment under Section 2.14 or Section 2.16 than the applicable Lender would have been entitled to receive with respect to the participation sold to such Participant, unless the sale of the participation to such Participant is made with the prior written consent of the Borrower. A Participant that would be a Foreign Lender if it were a Lender shall not be entitled to the benefits of Section 2.16 unless the Borrower is notified of the participation sold to such Participant and such Participant agrees, for the benefit of the Borrower, to comply with Section 2.16(e) as though it were a Lender.

(d) Any Lender may at any time pledge or assign a security interest in all or any portion of its rights under this Agreement to secure obligations of such Lender, including without limitation any pledge or assignment to secure obligations to a Federal Reserve Bank, and this Section shall not apply to any such pledge or assignment of a security interest; provided that no such pledge or assignment of a security interest shall release a Lender from any of its obligations hereunder or substitute any such pledgee or assignee for such Lender as a party hereto.

Section 11.05. Survival. All covenants, agreements, representations and warranties made by the Credit Parties herein and in the certificates or other instruments delivered in connection with or pursuant to this Agreement shall be considered to have been relied upon by the other parties hereto and shall survive the execution and delivery of this Agreement and the making of any Loans, regardless of any investigation made by any such other party or on its behalf and notwithstanding that the Administrative Agent or any Lender may have had notice or knowledge of any Default or incorrect representation or warranty at the time any credit is extended hereunder, and shall continue in full force and effect as long as the principal of or any accrued interest on any Loan or any fee or any other amount payable under this Agreement is outstanding and unpaid. The provisions of Section 2.14, Section 2.15, Section 2.16 and Section 11.03 and Article X shall survive and remain in full force and effect regardless of the consummation of the transactions contemplated hereby, the repayment of the Loans or the termination of this Agreement or any provision hereof.

Section 11.06. Counterparts; Integration; Effectiveness. This Agreement may be executed in counterparts (and by different parties hereto on different counterparts), each of which shall constitute an original, but all of which when taken together shall constitute a single contract. This Agreement and any separate letter agreements with respect to fees payable to the Administrative Agent constitute the entire contract among the parties relating to the subject matter hereof and supersede any and all previous agreements and understandings, oral or written, relating to the subject matter hereof. THIS WRITTEN CREDIT AND GUARANTY AGREEMENT AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES. Except as provided in Section 5.01, this Agreement shall become effective when it shall have been executed by the Administrative Agent and when the Administrative Agent shall have received counterparts hereof which, when taken together, bear the signatures of each of the other parties hereto, and thereafter shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns. Delivery of an executed counterpart of a signature page of this Agreement by telecopy shall be effective as delivery of a manually executed counterpart of this Agreement.

Section 11.07. Severability. Any provision of this Agreement held to be invalid, illegal or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such invalidity, illegality or unenforceability without affecting the validity, legality and enforceability of the remaining provisions hereof; and the invalidity of a particular provision in a particular jurisdiction shall not invalidate such provision in any other jurisdiction.

Section 11.08. Right of Setoff. If an Event of Default shall have occurred and be continuing, each Lender and each of its Affiliates is hereby authorized at any time and from time to time, to the fullest extent permitted by law, to set off and apply any and all deposits (general or special, time or demand, provisional or final) at any time held and other obligations at any time owing by such Lender or Affiliate to or for the credit or the account of the Borrower against any of and all the obligations of any Credit Party now or hereafter existing under this Agreement held by such Lender, irrespective of whether or not such Lender shall have made any demand under this Agreement and although such obligations may be unmatured. The rights of each Lender under this Section and Section 8.08 are in addition to other rights and remedies (including other rights of setoff) which such Lender may have.

Section 11.09. GOVERNING LAW; JURISDICTION; CONSENT TO SERVICE OF PROCESS.

(a) THIS AGREEMENT SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAW OF THE STATE OF NEW YORK.

(b) EACH CREDIT PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY SUBMITS, FOR ITSELF AND ITS PROPERTY, TO THE NONEXCLUSIVE JURISDICTION OF ANY UNITED STATES FEDERAL OR NEW

YORK STATE COURT SITTING IN NEW YORK, NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT, OR FOR RECOGNITION OR ENFORCEMENT OF ANY JUDGMENT, AND EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY AND UNCONDITIONALLY AGREES THAT ALL CLAIMS IN RESPECT OF ANY SUCH ACTION OR PROCEEDING MAY BE HEARD AND DETERMINED IN SUCH TEXAS STATE OR, TO THE EXTENT PERMITTED BY LAW, IN SUCH FEDERAL COURT. EACH OF THE PARTIES HERETO AGREES THAT A FINAL JUDGMENT IN ANY SUCH ACTION OR PROCEEDING SHALL BE CONCLUSIVE AND MAY BE ENFORCED IN OTHER JURISDICTIONS BY SUIT ON THE JUDGMENT OR IN ANY OTHER MANNER PROVIDED BY LAW. NOTHING IN THIS AGREEMENT SHALL AFFECT ANY RIGHT THAT THE ADMINISTRATIVE AGENT OR ANY LENDER MAY OTHERWISE HAVE TO BRING ANY ACTION OR PROCEEDING RELATING TO THIS AGREEMENT AGAINST ANY CREDIT PARTY OR ITS PROPERTIES IN THE COURTS OF ANY JURISDICTION.

(c) EACH CREDIT PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES, TO THE FULLEST EXTENT IT MAY LEGALLY AND EFFECTIVELY DO SO, ANY OBJECTION WHICH IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY SUIT, ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT IN ANY COURT REFERRED TO IN PARAGRAPH (B) OF THIS SECTION. EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW, THE DEFENSE OF AN INCONVENIENT FORUM TO THE MAINTENANCE OF SUCH ACTION OR PROCEEDING IN ANY SUCH COURT.

(d) EACH PARTY TO THIS AGREEMENT IRREVOCABLY CONSENTS TO SERVICE OF PROCESS IN THE MANNER PROVIDED FOR NOTICES IN SECTION 11.01. NOTHING IN THIS AGREEMENT WILL AFFECT THE RIGHT OF ANY PARTY TO THIS AGREEMENT TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY LAW.

Section 11.10. WAIVER OF JURY TRIAL. EACH PARTY HERETO HEREBY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN ANY LEGAL PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY (WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY). EACH PARTY HERETO (A) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER AND (B) ACKNOWLEDGES THAT IT AND THE OTHER PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION.

Section 11.11. Headings. Article and Section headings and the Table of Contents used herein are for convenience of reference only, are not part of this Agreement and shall not affect the construction of, or be taken into consideration in interpreting, this Agreement.

Section 11.12. Confidentiality. Each of the Administrative Agent and the Lenders agrees to maintain the confidentiality of the Information (as defined below), except that Information may be disclosed (a) to its and its Affiliates’ directors, officers, employees and agents, including accountants, legal counsel and other advisors (it being understood that the Persons to whom such disclosure is made will be informed of the confidential nature of such Information and instructed to keep such Information confidential), (b) to the extent requested by any regulatory authority, (c) to the extent required by applicable laws or regulations or by any subpoena or similar legal process, (d) to any other party to this Agreement, (e) in connection with the exercise of any remedies hereunder or any suit, action or proceeding relating to this Agreement or the enforcement of rights hereunder, (f) subject to an agreement containing provisions substantially the same as, or otherwise consistent with, those of this Section, to (i) any assignee of or Participant in, or any prospective assignee of or Participant in, any of its rights or obligations under this Agreement or (ii) any actual or prospective counterparty (or its advisors) to any swap or derivative transaction relating to the Credit Parties and their obligations, (g) with the consent of the Borrower or (h) to the extent such Information (i) becomes publicly available other than as a result of a breach of this Section or (ii) becomes available to the Administrative Agent or any Lender on a nonconfidential basis from a source other than a Credit Party. For the purposes of this Section, “Information” means all information received from any Credit Party relating to any Credit Party or its business, other than any such information that is available to the Administrative Agent or any Lender on a nonconfidential basis prior to disclosure by any Credit Party; provided that, in the case of information received from any Credit Party after the date hereof, such information is clearly identified at the time of delivery as confidential. Any Person required to maintain the confidentiality of Information as provided in this Section shall be considered to have complied with its obligation to do so if such Person has exercised the same degree of care to maintain the confidentiality of such Information as such Person would accord to its own confidential information.

Section 11.13. Interest Rate Limitation. Notwithstanding anything herein to the contrary, if at any time the interest rate applicable to any Loan, together with all fees, charges and other amounts which are treated as interest on such Loan under applicable law (collectively the “Charges”), shall exceed the maximum lawful rate (the “Maximum Rate”) which may be contracted for, charged, taken, received or reserved by the Lender holding such Loan in accordance with applicable law, the rate of interest payable in respect of such Loan hereunder, together with all Charges payable in respect thereof, shall be limited to the Maximum Rate and, to the extent lawful, the interest and Charges that would have been payable in respect of such Loan but were not payable as a result of the operation of this Section shall be cumulated and the interest and Charges payable to such Lender in respect of other Loans or periods shall be increased (but not above the Maximum Rate therefor) until such cumulated amount, together with interest thereon at the Federal Funds Effective Rate to the date of repayment, shall have been received by such Lender.

Section 11.14. USA PATRIOT Act. Each Lender that is subject to the requirements of the USA Patriot Act (Title III of Pub. L. 107-56 (signed into law October 26, 2001)) (the “Act”) hereby notifies each Credit Party that pursuant to the requirements of the Act, it is required to obtain, verify and record information that identifies each Credit Party, which information includes the name and address of each Credit Party and other information that will allow such Lender to identify each Credit Party in accordance with the Act. The Borrower shall, upon the request of the Administrative Agent or any Lender, provide all documentation and other information that the Administrative Agent or such Lender reasonably requires to comply with its ongoing obligations under applicable “know your customer” and anti-money laundering rules and regulations, including the Act.

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed by their respective authorized officers as of the day and year first above written.

BORROWER:

EXCO OPERATING PARTNERSHIP, LP


By:	EXCO Partners OLP GP, LLC
	its sole general partner


	By:		/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer

GUARANTORS:

WINCHESTER ENERGY COMPANY, LP

By TXOK Texas Energy Holdings, LLC
as general partner


By:		/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
Title:		Vice President and Chief Financial Officer

TXOK ENERGY RESOURCES HOLDINGS, L.L.C.


By:		/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
Title:		Vice President and Chief Financial Officer

TXOK TEXAS ENERGY HOLDINGS, LLC


By:		/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
Title:		Vice President and Chief Financial Officer

TXOK TEXAS ENERGY RESOURCES, L.P.

By:	TXOK Texas Energy Holdings, LLC,
	as general partner


	By:	/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer


ROJO PIPELINE, LP

By:	TXOK Texas Energy Holdings, LLC,
	as general partner


	By:	/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer

▇▇▇▇▇▇▇ HOLDING COMPANY, LLC


	By:	/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer

WINCHESTER PRODUCTION COMPANY, LTD.

By:	▇▇▇▇▇▇▇ Holding Company, LLC
	as general partner


	By:	/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer

TGG PIPELINE, LTD.

By: ▇▇▇▇▇▇▇ Holding company, LLC
as general partner


	By:	/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer


TALCO MIDSTREAM ASSETS, LTD.

By: ▇▇▇▇▇▇▇ Holding company, LLC
as general partner


	By:	/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer


▇▇▇▇▇▇▇▇ GATHERING, LLC


	By:	/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer


▇▇▇▇▇▇▇ DE, LLC


	By:	/s/ J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇
	Name:		J. ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Ph.D.
	Title:		Vice President and Chief Financial Officer

	JPMORGAN CHASE BANK, N.A.,
	as a Lender and as Administrative Agent,


	By:		/s/ W. ▇▇▇▇ ▇▇▇▇▇▇▇
	Name:		W. ▇▇▇▇ ▇▇▇▇▇▇▇
	Title:		Senior Vice President


	CREDIT SUISSE, CAYMAN ISLANDS BRANCH,
	as a Lender and as Syndication Agent


	By:
	Name:
	Title:

EXHIBIT A
ASSIGNMENT AND ASSUMPTION

This Assignment and Assumption (the “Assignment and Assumption”) is dated as of the Effective Date set forth below and is entered into by and between [Insert name of Assignor] (the “Assignor”) and [Insert name of Assignee] (the “Assignee”). Capitalized terms used but not defined herein shall have the meanings given to them in the Credit Agreement identified below (as amended, the “Credit Agreement”), receipt of a copy of which is hereby acknowledged by the Assignee. The Standard Terms and Conditions set forth in Annex 1 attached hereto are hereby agreed to and incorporated herein by reference and made a part of this Assignment and Assumption as if set forth herein in full.

For an agreed consideration, the Assignor hereby irrevocably sells and assigns to the Assignee, and the Assignee hereby irrevocably purchases and assumes from the Assignor, subject to and in accordance with the Standard Terms and Conditions and the Credit Agreement, as of the Effective Date inserted by the Administrative Agent as contemplated below (i) all of the Assignor’s rights and obligations in its capacity as a Lender under the Credit Agreement and any other documents or instruments delivered pursuant thereto to the extent related to the amount and percentage interest identified below of all of such outstanding rights and obligations of the Assignor under the respective loans identified below (including any guarantees included in such loans) and (ii) to the extent permitted to be assigned under applicable law, all claims, suits, causes of action and any other right of the Assignor (in its capacity as a Lender) against any Person, whether known or unknown, arising under or in connection with the Credit Agreement, any other documents or instruments delivered pursuant thereto or the loan transactions governed thereby or in any way based on or related to any of the foregoing, including contract claims, tort claims, malpractice claims, statutory claims and all other claims at law or in equity related to the rights and obligations sold and assigned pursuant to clause (i) above (the rights and obligations sold and assigned pursuant to clauses (i) and (ii) above being referred to herein collectively as the “Assigned Interest”). Such sale and assignment is without recourse to the Assignor and, except as expressly provided in this Assignment and Assumption, without representation or warranty by the Assignor.

1.	Assignor:

2.	Assignee:
		[and is an Affiliate/Approved Fund of [identify Lender]]

3.	Borrower(s):

4.	Administrative Agent:	JPMorgan Chase Bank, N.A. (as the administrative agent under the Credit Agreement)

5.	Credit Agreement:	Senior Term Credit Agreement dated as of October 2, 2006 (as amended, supplemented or otherwise modified from time to time) among EXCO Partners Operating Partnership, LP, as Borrower, Certain Subsidiaries of Borrower, as Guarantors, the Lenders parties thereto, and JPMorgan Chase Bank, N.A., as Administrative Agent

6.	Assigned Interest:

Aggregate Amount of Loans for all Lenders	Amount of Loans Assigned	Applicable Percentage of Loans
$	$		%
$	$		%
$	$		%

Effective Date: , 20

The terms set forth in this Assignment and Assumption are hereby agreed to:

	ASSIGNOR

	[NAME OF ASSIGNOR]


	By:
		Title:


	ASSIGNEE

	[NAME OF ASSIGNEE]


	By:
		Title:

[Consented to and] Accepted:

JPMORGAN CHASE BANK, N.A.,
as Administrative Agent


By:
	Name:
	Title:


[Consented to:]


EXCO PARTNERS OPERATING PARTNERSHIP, LP

By:	EXCO Partners OLP GP, LLC
	Its sole general partner


By:
	Name:
	Title:

Senior Term Credit Agreement dated October 2, 2006 (as amended, supplemented or otherwise modified from time to time) among EXCO Partners Operating Partnership, LP, as Borrower, Certain Subsidiaries of Borrower, as Guarantors, the Lenders party thereto, and JPMorgan Chase Bank, N.A., as Administrative Agent.

STANDARD TERMS AND CONDITIONS FOR
ASSIGNMENT AND ASSUMPTION

1. Representations and Warranties.

1.1. Assignor. The Assignor (a) represents and warrants that (i) it is the legal and beneficial owner of the Assigned Interest, (ii) the Assigned Interest is free and clear of any lien, encumbrance or other adverse claim and (iii) it has full power and authority, and has taken all action necessary, to execute and deliver this Assignment and Assumption and to consummate the transactions contemplated hereby; and (b) assumes no responsibility with respect to (i) any statements, warranties or representations made in or in connection with the Credit Agreement or any other Loan Document, (ii) the execution, legality, validity, enforceability, genuineness, sufficiency or value of the Loan Documents or any collateral thereunder, (iii) the financial condition of the Borrower, any Subsidiary or Affiliates or any other Person obligated in respect of any Loan Document or (iv) the performance or observance by the Borrower, any Subsidiary or Affiliates or any other Person of any of their respective obligations under any Loan Document.

1.2. Assignee. The Assignee (a) represents and warrants that (i) it has full power and authority, and has taken all action necessary, to execute and deliver this Assignment and Assumption and to consummate the transactions contemplated hereby and to become a Lender under the Credit Agreement, (ii) it satisfies the requirements, if any, specified in the Credit Agreement that are required to be satisfied by it in order to acquire the Assigned Interest and become a Lender, (iii) from and after the Effective Date, it shall be bound by the provisions of the Credit Agreement as a Lender thereunder and, to the extent of the Assigned Interest, shall have the obligations of a Lender thereunder, (iv) it has received a copy of the Credit Agreement, together with copies of the most recent financial statements delivered pursuant to Section 6.01 thereof, as applicable, and such other documents and information as it has deemed appropriate to make its own credit analysis and decision to enter into this Assignment and Assumption and to purchase the Assigned Interest on the basis of which it has made such analysis and decision independently and without reliance on the Administrative Agent or any other Lender, and (v) if it is a Foreign Lender, attached to the Assignment and Assumption is any documentation required to be delivered by it pursuant to the terms of the Credit Agreement, duly completed and executed by the Assignee; and (b) agrees that (i) it will, independently and without reliance on the Administrative Agent, the Assignor 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 the Loan Documents, and (ii) 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.

2. Payments. From and after the Effective Date, the Administrative Agent shall make all payments in respect of the Assigned Interest (including payments of principal, interest,

fees and other amounts) to the Assignor for amounts which have accrued to but excluding the Effective Date and to the Assignee for amounts which have accrued from and after the Effective Date.

3. General Provisions. This Assignment and Assumption shall be binding upon, and inure to the benefit of, the parties hereto and their respective successors and assigns. This Assignment and Assumption may be executed in any number of counterparts, which together shall constitute one instrument. Delivery of an executed counterpart of a signature page of this Assignment and Assumption by telecopy shall be effective as delivery of a manually executed counterpart of this Assignment and Assumption. This Assignment and Assumption shall be governed by, and construed in accordance with, the law of the State of New York.

SENIOR TERM CREDIT AGREEMENT dated as of October 2, 2006, as amended and restated as of October 13, 2006, among EXCO PARTNERS OPERATING PARTNERSHIP, LP, as Borrower CERTAIN SUBSIDIARIES OF BORROWER, as Guarantors The Lenders Party Hereto JPMORGAN...

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