CREDIT AGREEMENT dated as of February 21, 2006 among USP DOMESTIC HOLDINGS, INC. as Borrower THE LENDERS FROM TIME TO TIME PARTY HERETO and SUNTRUST BANK as Administrative Agent and BANK OF AMERICA, N.A., as Syndication Agent and GENERAL ELECTRIC...

Exhibit 10.1

EXECUTION COPY

CREDIT AGREEMENT

dated as of February 21, 2006

among

USP DOMESTIC HOLDINGS, INC.
as Borrower

THE LENDERS FROM TIME TO TIME PARTY HERETO

and

SUNTRUST BANK
as Administrative Agent

and

BANK OF AMERICA, N.A.,

as Syndication Agent

and

GENERAL ELECTRIC CAPITAL CORPORATION,

as Documentation Agent

SUNTRUST CAPITAL MARKETS, INC.,
as Lead Arranger

TABLE OF CONTENTS


				Page
ARTICLE I		DEFINITIONS; CONSTRUCTION			1
	Section 1.1		Definitions		1
	Section 1.2		Classifications of Loans and Borrowings		21
	Section 1.3		Accounting Terms and Determination		21
	Section 1.4		Terms Generally		21
ARTICLE II		AMOUNT AND TERMS OF THE COMMITMENTS			22
	Section 2.1		General Description of Facilities		22
	Section 2.2		Revolving Loans		22
	Section 2.3		Procedure for Revolving Borrowings		22
	Section 2.4		Swingline Commitment		23
	Section 2.5		Procedure for Swingline Borrowing; Etc		23
	Section 2.6		Funding of Borrowings		24
	Section 2.7		Interest Elections		25
	Section 2.8		Optional Reduction and Termination of Commitments		26
	Section 2.9		Repayment of Loans		27
	Section 2.10		Evidence of Indebtedness		27
	Section 2.11		Prepayments		27
	Section 2.12		Interest on Loans		28
	Section 2.13		Fees		29
	Section 2.14		Computation of Interest and Fees		30
	Section 2.15		Inability to Determine Interest Rates		30
	Section 2.16		Illegality		31
	Section 2.17		Increased Costs		31
	Section 2.18		Funding Indemnity		33
	Section 2.19		Taxes		33
	Section 2.20		Payments Generally; Pro Rata Treatment; Sharing of Set-Offs		35
	Section 2.21		Mitigation of Obligations		36
	Section 2.22		Letters of Credit		36
	Section 2.23		Increase of Revolving Commitments; Additional Lenders		41
	Section 2.24		Replacement of Lenders		43

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TABLE OF CONTENTS
(continued)


				Page
ARTICLE III		CONDITIONS PRECEDENT TO LOANS AND LETTERS OF CREDIT			43
	Section 3.1		Conditions To Effectiveness		43
	Section 3.2		Each Credit Event		45
	Section 3.3		Delivery of Certain Additional Documents		46
	Section 3.4		Special Conditions to Funding Related to the Acquisition of Surgis, Inc		46
	Section 3.5		Delivery of Documents		47
ARTICLE IV		REPRESENTATIONS AND WARRANTIES			47
	Section 4.1		Existence; Power		47
	Section 4.2		Organizational Power; Authorization		47
	Section 4.3		Governmental Approvals; No Conflicts		47
	Section 4.4		Financial Statements		48
	Section 4.5		Litigation and Environmental Matters		48
	Section 4.6		Compliance with Laws and Agreements		48
	Section 4.7		Investment Company Act, Etc		49
	Section 4.8		Taxes		49
	Section 4.9		Margin Regulations		49
	Section 4.10		ERISA		49
	Section 4.11		Ownership of Property		49
	Section 4.12		Disclosure		50
	Section 4.13		Labor Relations		50
	Section 4.14		Subsidiaries		50
	Section 4.15		Foreign Assets Control Regulations, Etc		50
	Section 4.16		Solvency		51
	Section 4.17		Senior Debt		51
ARTICLE V		AFFIRMATIVE COVENANTS			51
	Section 5.1		Financial Statements and Other Information		51
	Section 5.2		Notices of Material Events		53
	Section 5.3		Existence; Conduct of Business		53
	Section 5.4		Compliance with Laws, Etc		54

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TABLE OF CONTENTS
(continued)


				Page
	Section 5.5		Payment of Obligations		54
	Section 5.6		Books and Records		54
	Section 5.7		Visitation, Inspection, Etc		54
	Section 5.8		Maintenance of Properties; Insurance		54
	Section 5.9		Use of Proceeds and Letters of Credit		54
	Section 5.10		Additional Subsidiaries		55
	Section 5.11		Senior Debt		55
ARTICLE VI		FINANCIAL COVENANTS			55
	Section 6.1		Ratio of Total Net Debt to EBITDA		55
	Section 6.2		Interest Coverage Ratio		55
ARTICLE VII		NEGATIVE COVENANTS			55
	Section 7.1		Indebtedness		56
	Section 7.2		Negative Pledge		57
	Section 7.3		Fundamental Changes		57
	Section 7.4		Investments, Loans, Etc		58
	Section 7.5		Restricted Payments		59
	Section 7.6		Sale of Assets		59
	Section 7.7		Transactions with Affiliates		60
	Section 7.8		Restrictive Agreements		60
	Section 7.9		Sale and Leaseback Transactions		60
	Section 7.10		Hedging Agreements		61
	Section 7.11		Amendment to Material Documents		61
	Section 7.12		Permitted Subordinated Indebtedness		61
	Section 7.13		Accounting Changes		62
ARTICLE VIII		EVENTS OF DEFAULT			62
	Section 8.1		Events of Default		62
ARTICLE IX		THE ADMINISTRATIVE AGENT			65
	Section 9.1		Appointment of Administrative Agent		65
	Section 9.2		Nature of Duties of Administrative Agent		65
	Section 9.3		Lack of Reliance on the Administrative Agent		66

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TABLE OF CONTENTS
(continued)


				Page
	Section 9.4		Certain Rights of the Administrative Agent		66
	Section 9.5		Reliance by Administrative Agent		66
	Section 9.6		The Administrative Agent in its Individual Capacity		67
	Section 9.7		Successor Administrative Agent		67
ARTICLE X		MISCELLANEOUS			68
	Section 10.1		Notices		68
	Section 10.2		Waiver; Amendments		69
	Section 10.3		Expenses; Indemnification		70
	Section 10.4		Successors and Assigns		71
	Section 10.5		Governing Law; Jurisdiction; Consent to Service of Process		74
	Section 10.6		WAIVER OF JURY TRIAL		75
	Section 10.7		Right of Setoff		75
	Section 10.8		Counterparts; Integration		75
	Section 10.9		Survival		75
	Section 10.10		Severability		76
	Section 10.11		Confidentiality		76
	Section 10.12		Interest Rate Limitation		76
	Section 10.13		Syndication Agent and Documentation Agent		77

-iv-

EXHIBITS


Exhibit A:		Form of Revolving Credit Note
Exhibit B:		Form of Swingline Note
Exhibit C:		Form of Subsidiary Guarantee Agreement
Exhibit D:		Form of Indemnity, Subrogation and Contribution Agreement
Exhibit E:		Form of Assignment and Acceptance
Exhibit 2.3:		Form of Notice of Revolving Borrowing

SCHEDULES


Schedule I:		Applicable Margin and Percentage
Schedule 4.5(b):		Environmental Matters
Schedule 4.14:		Subsidiaries
Schedule 7.1:		Indebtedness
Schedule 7.2:		Liens
Schedule 7.4:		Investments

CREDIT AGREEMENT

THIS CREDIT AGREEMENT (this “Agreement”) is made and entered into as of February 21, 2006, by and among USP DOMESTIC HOLDINGS, INC., a Delaware corporation (the “Borrower”), the several banks and other financial institutions from time to time party hereto (the “Lenders”), SUNTRUST BANK, in its capacity as Administrative Agent for the Lenders (the “Administrative Agent”), BANK OF AMERICA, N.A. (“BOA”), as Syndication Agent (in such capacity, the “Syndication Agent”) for the Lenders, and GENERAL ELECTRIC CAPITAL CORPORATION (“GE”) as Documentation Agent (in such capacity, the “Documentation Agent”) for the Lenders.

W I T N E S S E T H:

WHEREAS, the Borrower has requested that the Lenders establish a $200,000,000 senior revolving credit facility, with a $20,000,000 swingline facility and a $20,000,000 Letter of Credit sub-facility; and

WHEREAS, subject to the terms and conditions of this Agreement, the Lenders severally, to the extent of their respective Commitments, are willing to establish the requested credit facility available to the Borrower.

NOW, THEREFORE, in consideration of the premises and the mutual covenants herein contained, the Borrower, the Lenders and the Administrative Agent agree as follows:

ARTICLE I

DEFINITIONS; CONSTRUCTION

Section 1.1 Definitions. In addition to the other terms defined herein, the following terms used herein shall have the meanings herein specified (to be equally applicable to both the singular and plural forms of the terms defined):

“Adjusted LIBO Rate” shall mean, with respect to each Interest Period for a Eurodollar Borrowing, the rate per annum obtained by dividing (i) LIBOR for such Interest Period by (ii) a percentage equal to 1.00 minus the Eurodollar Reserve Percentage.

“Administrative Agent” shall have the meaning assigned to such term in the opening paragraph hereof.

“Administrative Questionnaire” shall mean, with respect to each Lender, an administrative questionnaire in the form prepared by the Administrative Agent and submitted to the Administrative Agent duly completed by each Lender.

“Affiliate” shall mean, as to any Person, any other Person that directly, or indirectly through one or more intermediaries, Controls, is Controlled by, or is under common Control with, such Person.

“Aggregate Revolving Commitments” shall mean the sum of the Revolving Commitments of all Lenders at any time outstanding. On the Closing Date, the Aggregate Revolving Commitments equal $200,000,000.

“Applicable Lending Office” shall mean, for each Lender and for each Type of Loan, the “Lending Office” of such Lender (or an Affiliate of such Lender) designated for such Type of Loan in the Administrative Questionnaire submitted by such Lender or such other office of such Lender (or an Affiliate of such Lender) as such Lender may from time to time specify to the Administrative Agent and the Borrower as the office by which its Loans of such Type are to be made and maintained.

“Applicable Margin” shall mean the percentage per annum determined by reference to the applicable ratio of Borrower’s consolidated Total Net Debt to EBITDA as set forth on Schedule I hereto. The Applicable Margin shall initially be 2.00%; provided, however, that upon delivery to the Administrative Agent of Borrower’s consolidated financial statements for the fiscal quarter ending March 31, 2006, the Applicable Margin shall be reset to the percentage designated on Schedule I based on the ratio of Borrower’s consolidated Total Net Debt to EBITDA for the preceding four fiscal quarter period then ending, and thereafter the Applicable Margin shall be calculated on the last day of each fiscal quarter and measured on a rolling four quarter basis, with such calculation to be effective as of the second (2^nd) Business Day after which the Borrower delivers the financial statements required by Section 5.1(a), (b), or (c) and the compliance certificate required by Section 5.1(d); provided further, that if at any time the Borrower shall have failed to deliver such financial statements and such certificate by the required date, the Applicable Margin shall be at Level VI until such time as such financial statements and certificate are delivered, at which time the Applicable Margin shall be determined as provided above.

“Applicable Percentage” shall mean, with respect to the Commitment Fee as of any date, the percentage per annum determined by reference to the applicable ratio of Borrower’s consolidated Total Net Debt to EBITDA as set forth on Schedule I hereto. The Applicable Percentage shall initially be 0.50%; provided, however, that upon delivery to the Administrative Agent of Borrower’s consolidated financial statements for the fiscal quarter ending March 31, 2006, the Applicable Percentage shall be reset to the percentage designated on Schedule I based on the ratio of Borrower’s consolidated Total Net Debt to EBITDA for the preceding four fiscal quarter period then ending, and thereafter the Applicable Percentage shall be calculated on the last day of each fiscal quarter and measured on a rolling four quarter basis, with such calculation to be effective as of the second (2^nd) Business Day after which the Borrower delivers the financial statements required by Section 5.1(a), (b), or (c) and the compliance certificate required by Section 5.1 (d); provided, further, that if at any time the Borrower shall have failed to deliver such financial statements and such certificate by the required date, the Applicable Percentage shall be at Level VI until such time as such financial statements and certificate are delivered, at which time the Applicable Percentage shall be determined as provided above.

“Assignment and Acceptance” shall mean an assignment and acceptance entered into by a Lender and an assignee (with the consent of any party whose consent is required by Section 10.4(b)) and accepted by the Administrative Agent, in the form of Exhibit E attached hereto or any other form approved by the Administrative Agent.

“Availability Period” shall mean the period from the Closing Date to the Commitment Termination Date.

“Base Rate” shall mean the higher of (i) the per annum rate which the Administrative Agent publicly announces from time to time to be its prime lending rate, as in effect from time to time, and (ii) the Federal Funds Rate, as in effect from time to time, plus one-half of one percent (0.50%). The Administrative Agent’s prime lending rate is a reference rate and does not necessarily represent the lowest or best rate charged to customers. The Administrative Agent may make commercial loans or other loans at rates of interest at, above or below the Administrative Agent’s prime lending rate. Each change in the Administrative Agent’s prime lending rate shall be effective from and including the date such change is publicly announced as being effective.

“Borrower” shall have the meaning in the introductory paragraph hereof.

“Borrowing” shall mean a borrowing consisting of (i) Loans of the same Class and Type, made, converted or continued on the same date and in case of Eurodollar Loans, as to which a single Interest Period is in effect, or (ii) a Swingline Loan.

“Business Day” shall mean (i) any day other than a Saturday, Sunday or other day on which commercial banks in Atlanta, Georgia are authorized or required by law to close, and (ii) if such day relates to a Borrowing of, a payment or prepayment of principal or interest on, a conversion of or into, or an Interest Period for, a Eurodollar Loan or a notice with respect to any of the foregoing, any day on which dealings in Dollars are carried on in the London interbank market.

“Capital Expenditures” shall mean for any period, without duplication, (a) the additions to property, plant and equipment and other capital expenditures of the Borrower and its Subsidiaries that are (or would be) set forth on a consolidated statement of cash flows of the Borrower for such period prepared in accordance with GAAP, and (b) Capital Lease Obligations incurred by the Borrower and its Subsidiaries during such period.

“Capital Lease Obligations” of any Person shall mean all obligations of such Person to pay rent or other amounts under any lease (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.

“Capital Stock” means (i) in the case of a corporation, capital stock, (ii) in the case of an association or business entity, any and all shares, interests, participations, rights or other equivalents (however designated) of capital stock, (iii) in the case of a partnership, partnership interests (whether general or limited), (iv) in the case of a limited liability company, membership interests, and (v) any other interest or participation that confers on a Person the right to receive a share of the profits and losses of, or distributions of assets of, the issuing Person.

“Casualty Event” means the damage, destruction or condemnation, as the case may be, of property of any Person or any of its Subsidiaries.

“Change in Control” shall mean (a) the failure of Parent at any time to directly or indirectly own beneficially and of record on a fully diluted basis 100% of the outstanding equity interests of Holdings, such equity interests to be held free and clear of all liens (other than liens granted under any Loan Document); or (b) the failure of Holdings at any time to directly or indirectly own beneficially and of record on a fully diluted basis 100% of the outstanding equity interests of the Borrower, such equity interests to be held free and clear of all liens (other than liens granted under any Loan Document); (c) any sale, lease, exchange or other transfer (in a single transaction or a series of related transactions) of all or substantially all of the assets of the Parent to any Person or “group” (within the meaning of the Securities Exchange Act of 1934 and the rules of the Securities and Exchange Commission thereunder in effect on the date hereof); (d) the acquisition of ownership, directly or indirectly, beneficially or of record, by any Person or “group” (within the meaning of the Securities Exchange Act of 1934 and the rules of the Securities and Exchange Commission thereunder as in effect on the date hereof) of 30% or more of the outstanding shares of the voting stock of the Parent; (e) occupation of a majority of the seats (other than vacant seats) on the board of directors of the Parent by Persons who were neither (i) nominated by the current board of directors, or (ii) appointed by directors so nominated; or (f) the occurrence of any “Change of Control” (or similar term) under (and as defined in) any Subordinated Debt document.

“Change in Law” shall mean (i) the adoption of any applicable law, rule or regulation after the date of this Agreement, (ii) any change in any applicable law, rule or regulation, or any change in the interpretation or application thereof, by any Governmental Authority after the date of this Agreement, or (iii) compliance by any Lender (or its Applicable Lending Office) or the Issuing Bank (or for purposes of Section 2.17(b), by such Lender’s or the Issuing Bank’s holding company, if applicable) 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.

“Class”, when used in reference to any Loan or Borrowing, refers to whether such Loan, or the Loans comprising such Borrowing, are Revolving Loans or Swingline Loans and when used in reference to any Commitment, refers to whether such Commitment is a Revolving Commitment or a Swingline Commitment.

“Closing Date” shall mean the date on which the conditions precedent set forth in Section 3.1 and Section 3.2 have been satisfied or waived in accordance with Section 10.2.

“Code” shall mean the Internal Revenue Code of 1986, as amended and in effect from time to time.

“Collateral” shall mean all Capital Stock ownership in both presently existing and hereafter arising wholly-owned Subsidiaries of the Borrower and each of the Guarantors (excluding the stock of Parent and the stock of USP International Holdings, Inc.).

“Commitment” shall mean a Revolving Commitment and the Swingline Commitment or any combination thereof (as the context shall permit or require).

“Commitment Fee” shall mean the fee set forth in Section 2.13(b) herein.

“Commitment Termination Date” shall mean the earliest of (i) February 21, 2011, (ii) the date on which the Revolving Commitments are terminated pursuant to Section 2.8 and (iii) the date on which all amounts outstanding under this Agreement have been declared or have automatically become due and payable (whether by acceleration or otherwise).

“Contingent Liability” means any agreement, undertaking or arrangement by which any Person guarantees, endorses or otherwise becomes or is contingently liable upon (by direct or indirect agreement, contingent or otherwise, to provide funds for payment, to supply funds to, or otherwise to invest in, a debtor in connection with such debtor’s Indebtedness, or otherwise to assure a creditor against loss) the Indebtedness of any other Person (other than by endorsements of instruments in the course of collection), or guarantees the payment of dividends or other distributions upon the Equity Interests of any other Person. The amount of any Person’s obligation under any Contingent Liability shall (subject to any limitations set forth therein) be deemed to be the outstanding principal amount of the debt, obligation or other liability guaranteed thereby.

“Control” shall mean the power, directly or indirectly, either to (i) vote 5% or more of securities having ordinary voting power for the election of directors (or persons performing similar functions) of a Person, or (ii) direct or cause the direction of the management and policies of a Person, whether through the ability to exercise voting power, by contract or otherwise. The terms “Controlling”, “Controlled by”, and “under common Control with” have meanings correlative thereto.

“Debt Issuance” means unsecured Indebtedness of Borrower or any consolidated Subsidiary in the form of senior notes or other publicly or privately placed Indebtedness but specifically excluding Permitted Subordinated Debt.

“Default” shall mean any condition or event that, with the giving of notice or the lapse of time or both, would constitute an Event of Default.

“Default Rate” shall be applicable after any Event of Default has occurred and is continuing, and shall mean that the otherwise then applicable rates and any letter of credit fees shall be increased by two percent (2%) per annum; provided that, for any LIBOR advances, at the end of the applicable Interest Period, interest shall accrue at the Base Rate plus the Applicable Margin plus two percent (2%) per annum.

“Defaulting Lender” shall mean any Lender with respect to which a Lender Default is in effect.

“Disposition” (or similar words such as “Dispose”) means any sale, transfer, lease, contribution or other conveyance (including by way of merger) of, or the granting of options, warrants or other rights to, any of the Borrower’s or any Guarantor’s assets (including accounts receivable and Equity Interests of Subsidiaries, but excluding cash) to any other Person (other than to another Loan Party) in a single transaction or series of transactions.

“Dollar(s)” and the sign “$” shall mean lawful money of the United States of America.

“EBITDA” shall mean for the Borrower and its consolidated Subsidiaries for any applicable period, the sum of (a) Net Income, plus (b) to the extent deducted in determining Net Income, the sum of amounts attributable to (i) amortization, (ii) income tax expense, (iii) Interest Expense, and (iv) depreciation of assets; provided, that EBITDA shall be adjusted to give pro forma effect to (x) Permitted Acquisitions made during such period (such adjustment to be reasonably satisfactory to the Administrative Agent) as if such Permitted Acquisitions had been made at the beginning of such period, which pro forma calculations shall deduct the value of the existing Equity Interests not held by the Borrower or such consolidated Subsidiary in the applicable Permitted Acquisition, and (y) permitted dispositions during such period (such adjustment to be reasonably satisfactory to the Administrative Agent) as if such permitted dispositions had been made at the beginning of such period; provided that in connection with the acquisition of Surgis, Inc., Borrower shall be permitted certain “add-backs” in an amount not to exceed $3,000,000 with such “add-backs” to be reasonably acceptable to Administrative Agent.

“EBITDAR” shall mean, for the Borrower and its consolidated Subsidiaries for any period, an amount equal to the sum of (a) EBITDA, and (b) Lease Expense.

“▇▇▇▇▇” shall mean the Electronic Data Gathering, Analysis, and Retrieval system, which performs automated collection, validation, indexing, acceptance, and forwarding of submissions by companies and others who are required by law to file forms with the U.S. Securities and Exchange Commission.

“Eligible Transferee” shall mean (a) a Lender; (b) an Affiliate of a Lender or, with respect to any Lender that is an investment fund that invests in commercial loans, any fund that invests in bank loans and is managed by the same investment advisor as such Lender; and (c) any other Person approved by the Administrative Agent and, unless a Default or Event of Default has occurred and is continuing at the time any assignment is effected in accordance with Section 10.4, the Borrower (such approval not to be unreasonably withheld or delayed by the Borrower and such approval to be deemed given by the Borrower if no objection is received by the assigning Lender and the Administrative Agent from the Borrower within ten (10) Business Days after notice of such proposed assignment has been received by the Borrower); provided, however, that neither a Borrower nor an Affiliate of a Borrower shall qualify as an Eligible Transferee.

“Environmental Laws” shall mean all laws, rules, regulations, codes, ordinances, orders, decrees, judgments, injunctions, notices or binding agreements issued, promulgated or entered into by or with 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” shall mean any liability, contingent or otherwise (including any liability for damages, costs of environmental investigation and remediation, costs of administrative oversight, fines, natural resource damages, penalties or indemnities), of the Borrower or any Subsidiary directly or indirectly resulting from or based upon (a) any actual or alleged violation of any Environmental Law, (b) the generation, use, handling, transportation, storage, treatment or disposal of any Hazardous Materials, (c) any actual or alleged exposure to any Hazardous Materials, (d) the Release or threatened Release of any Hazardous Materials, 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 Interests” means, with respect to any Person, any and all shares, partnership, joint venture or other interests, participations or other equivalents (however designated, whether voting or non-voting) of such Person’s capital, whether now outstanding or issued after the Closing Date.

“ERISA” shall mean the Employee Retirement Income Security Act of 1974, as amended from time to time, and any successor statute.

“ERISA Affiliate” shall mean any trade or business (whether or not incorporated), which, together with the Borrower, is treated as a single employer under Section 414(b) or (c) of the Code or, solely for the 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” shall mean (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 the Borrower 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 the Borrower or any ERISA Affiliate from the PBGC or a plan administrator appointed by the PBGC 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 the Borrower 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 the Borrower or any ERISA Affiliate of any notice, or the receipt by any Multiemployer Plan from the Borrower 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, bears interest at a rate determined by reference to the Adjusted LIBO Rate.

“Eurodollar Reserve Percentage” shall mean the aggregate of the maximum reserve percentages (including, without limitation, any emergency, supplemental, special or other marginal reserves) expressed as a decimal (rounded upwards to the next 1/100th of 1%) in effect on any day to which the Administrative Agent is subject with respect to the Adjusted LIBO Rate pursuant to regulations issued by the Board of Governors of the Federal Reserve System (or any Governmental Authority succeeding to any of its principal functions) with respect to eurocurrency funding (currently referred to as “eurocurrency liabilities” under 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 Regulation D. The Eurodollar Reserve

Percentage shall be adjusted automatically on and as of the effective date of any change in any reserve percentage.

“Event of Default” shall have the meaning provided in Article VIII.

“Excluded Taxes” shall mean with respect to the Administrative Agent, any Lender, the Issuing Bank 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 2.19(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 2.19(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 2.19(a).

“Federal Funds Rate” shall mean, for any day, the rate per annum (rounded upwards, if necessary, to the next 1/100th of 1%) equal to the weighted average of the rates on overnight Federal funds transactions with member banks of the Federal Reserve System arranged by Federal funds brokers, as published by the Federal Reserve Bank of New York on the next succeeding Business Day or if such rate is not so published for any Business Day, the Federal Funds Rate for such day shall be the average rounded upwards, if necessary, to the next 1/100th of 1% of the quotations for such day on such transactions received by the Administrative Agent from three Federal funds brokers of recognized standing selected by the Administrative Agent.

“Foreign Lender” shall mean any Lender that is organized under the laws of a jurisdiction other than that of the Borrower. For purposes of this definition, the United States of America or any State thereof or the District of Columbia shall constitute one jurisdiction.

“Foreign Subsidiary” shall mean any Subsidiary that is organized under the laws of a jurisdiction other than the United States of America, any state thereof or the District of Columbia.

“GAAP” shall mean generally accepted accounting principles in the United States applied on a consistent basis and subject to the terms of Section 1.3.

“Governmental Authority” shall mean 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 exercising executive, legislative, judicial, taxing, regulatory or administrative powers or functions of or pertaining to government.

“Guarantee” of or by any Person (the “guarantor”) shall mean 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, direct or indirect, of the guarantor (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 in support of such Indebtedness or obligation; provided, that the term “Guarantee” shall not include endorsements for collection or deposits in the ordinary course of business. The amount of any Guarantee shall be deemed to be an amount equal to the stated or determinable amount of the primary obligation in respect of which Guarantee is made or, if not so stated or determinable, the maximum reasonably anticipated liability in respect thereof (assuming such Person is required to perform thereunder) as determined by such Person in good faith. The term “Guarantee” used as a verb has a corresponding meaning.

“Guarantors” means jointly and severally Parent, Holdings, and all current and/or future wholly-owned Subsidiaries of the Borrower; provided that for the purpose of determining compliance with the covenants set forth in Article VI and Article VII, any reference to Parent shall exclude USPE Holdings, Ltd. and subsidiaries of USPE Holdings, Ltd.

“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.

“Hedging Agreements” shall mean interest rate swap, cap or collar agreements, interest rate future or option contracts, currency swap agreements, currency future or option contracts, commodity agreements and other similar agreements or arrangements designed to protect against fluctuations in interest rates, currency values or commodity values.

“Holdings” means United Surgical Partners Holdings, Inc.

“Holdings Guarantee Agreement” shall mean a guaranty agreement executed in form and substance acceptable to Lenders pursuant to which Holdings guarantees repayment of all Obligations of the Borrower described herein and evidenced hereunder and under any Loan Document.

“Holdings Notes” means the 10% Senior Subordinated Notes due December, 2011 in the aggregate principal amount of $150,000,000 issued by Holdings and governed by the terms of the Holdings Notes Indenture.

“Holdings Notes Guaranties” means the subordinated guaranties made by the Borrower and its Subsidiaries with respect to the Holdings Notes pursuant to the Holdings Notes Indenture.

“Holdings Notes Indenture” means the Indenture, dated as of December 19, 2001, entered into among Holdings, the guarantors from time to time parties thereto and U.S. Trust Company of Texas, N.A., as trustee, as amended, supplemented, amended and restated or otherwise modified from time to time.

“Indebtedness” of any Person shall mean, without duplication (i) all obligations of such Person for borrowed money, (ii) all obligations of such Person evidenced by bonds, debentures, notes or other similar instruments, (iii) all obligations of such Person in respect of the deferred purchase price of property or services (other than trade payables incurred in the ordinary course of business; provided, that for purposes of Section 8.1(f), trade payables overdue by more than 120 days shall be included in this definition except to the extent that any of such trade payables are being disputed in good faith and by appropriate measures), (iv) all obligations of such Person under any conditional sale or other title retention agreement(s) relating to property acquired by such Person, (v) all Capital Lease Obligations of such Person, (vi) all obligations, contingent or otherwise, of such Person in respect of letters of credit, acceptances or similar extensions of credit, (vii) all Guarantees of such Person of the type of Indebtedness described in clauses (i) through (vi) above, (viii) all Indebtedness of a third party secured by any Lien on property owned by such Person, whether or not such Indebtedness has been assumed by such Person, (ix) all obligations of such Person, contingent or otherwise, to purchase, redeem, retire or otherwise acquire for value any common stock or preferred stock of such Person, (x) Off-Balance Sheet Liabilities, and (xi) obligations under any Hedging Agreements.

“Indemnified Taxes” shall mean Taxes other than Excluded Taxes.

“Indemnity and Contribution Agreement” shall mean the Indemnity, Subrogation and Contribution Agreement, substantially in the form of Exhibit D, among the Borrower, the Subsidiary Loan Parties and the Administrative Agent.

“Information Memorandum” shall mean the Confidential Information Memorandum dated January, 2006 relating to the Borrower and the transactions contemplated by this Agreement and the other Loan Documents.

“Interest Expense” shall mean, for the Borrower and its consolidated Subsidiaries for any period determined on a consolidated basis in accordance with GAAP, the sum of (i) total interest expense, including without limitation the interest component of any payments in respect of Capital Leases Obligations or expensed during such period (whether or not actually paid during such period), plus (ii) the net amount payable (or minus the net amount receivable) under Hedging Agreements during such period (whether or not actually paid or received during such period).

“Interest Period” shall mean (a) with respect to any Eurodollar Borrowing, a period of one, two, three or six months, and (b) with respect to a Swingline Loan, a period of such duration

not to exceed thirty (30) days, as the Borrower may request and the Swingline Lender may agree in accordance with Section 2.5; provided, that:

(i) the initial Interest Period for such Borrowing shall commence on the date of such Borrowing (including the date of any conversion from a Borrowing of another Type) and each Interest Period occurring thereafter in respect of such Borrowing shall commence on the day on which the next preceding Interest Period expires;

(ii) if any Interest Period would otherwise end on a day other than a Business Day, such Interest Period shall be extended to the next succeeding Business Day, unless, in the case of a Eurodollar Borrowing, such Business Day falls in another calendar month, in which case such Interest Period would end on the next preceding Business Day;

(iii) any Interest Period in respect of a Eurodollar Borrowing which begins on the last Business Day of a calendar month or on a day for which there is no numerically corresponding day in the calendar month at the end of such Interest Period shall end on the last Business Day of such calendar month; and

(iv) no Interest Period may extend beyond the Commitment Termination Date or the Swingline Termination Date, as the case may be.

“Issuing Bank” shall mean SunTrust Bank in its capacity as an issuer of Letters of Credit pursuant to Section 2.22.

“LC Commitment” shall mean that portion of the Aggregate Revolving Commitments that may be used by the Borrower for the issuance of Letters of Credit in an aggregate face amount not to exceed $20,000,000.

“LC Disbursement” shall mean a payment made by the Issuing Bank pursuant to a Letter of Credit.

“LC Documents” shall mean the Letters of Credit and all applications, agreements and instruments relating to the Letters of Credit.

“LC Exposure” shall mean, at any time, the sum of (i) the aggregate undrawn amount of all outstanding Letters of Credit at such time, plus (ii) the aggregate amount of all LC Disbursements that have not been reimbursed by or on behalf of the Borrower at such time. The LC Exposure of any Lender shall be its Pro Rata Share of the total LC Exposure at such time.

“Lease Expense” shall mean, for any period, the aggregate amount of fixed and contingent rentals payable by the Borrower and its consolidated Subsidiaries on a consolidated basis with respect to leases of real and personal property (excluding Capital Lease Obligations) determined in accordance with GAAP for such period.

“Lender Default” shall mean (i) the refusal (which has not been retracted) or the failure of a Lender to make available its portion of any Borrowing required to be made available by it

hereunder, or (ii) a Lender having notified in writing the Borrower and/or the Administrative Agent that such Lender does not intend to comply with its obligations under Article II.

“Lenders” shall have the meaning assigned to such term in the opening paragraph of this Agreement and shall include, where appropriate, the Swingline Lender.

“Letter of Credit” shall mean any Letter of Credit issued pursuant to Section 2.22 by the Issuing Bank for the account of the Borrower pursuant to the LC Commitment.

“LIBOR” shall mean, for any Interest Period, the British Bankers’ Association Interest Settlement Rate per annum for deposits in U.S. dollars for a period equal to the Interest Period appearing on the display designated as Page 3750 on the Dow ▇▇▇▇▇ Markets Service (or such other page on that service or such other service designated by the British Bankers’ Association for the display of such Association’s Interest Settlement Rates for Dollar deposits) as of 11:00 a.m. (London, England time) on the day that is two (2) Business Days prior to the first day of the Interest Period or if such Page 3750 is unavailable for any reason at such time, the rate which appears on the Reuters Screen ISDA Page as of such date and such time; provided, that if the Administrative Agent determines that the relevant foregoing sources are unavailable for the relevant Interest Period, LIBOR shall mean the rate of interest determined by the Administrative Agent to be the average (rounded upward, if necessary, to the nearest 1/100^th of 1%) of the rates per annum at which deposits in U.S. dollars are offered to the Administrative Agent two (2) Business Days preceding the first day of such Interest Period by leading banks in the London interbank market as of 10:00 a.m. for delivery on the first day of such Interest Period, for the number of days comprised therein and in an amount comparable to the amount of the Administrative Agent’s portion of the relevant Eurodollar Borrowing. Such rates may be adjusted for any applicable reserve requirements.

“Lien” shall mean any mortgage, pledge, security interest, lien (statutory or otherwise), charge, encumbrance, hypothecation, assignment, deposit arrangement, or other arrangement having the practical effect of the foregoing or any preference, priority or other security agreement or preferential arrangement of any kind or nature whatsoever (including any conditional sale or other title retention agreement and any capital lease having the same economic effect as any of the foregoing).

“Loan Documents” shall mean, collectively, this Agreement, the Notes (if any), the LC Documents, all Notices of Borrowing, Parent Guarantee Agreement, Holdings Guarantee Agreement, the Subsidiary Guarantee Agreement, Indemnity and Contribution Agreement, and Security Documents.

“Loan Parties” shall mean the Borrower and the Guarantors.

“Loans” shall mean all Revolving Loans and Swingline Loans in the aggregate or any of them, as the context shall require.

“Material Adverse Effect” shall mean, with respect to any event, act, condition or occurrence of whatever nature (including any adverse determination in any litigation, arbitration, or governmental investigation or proceeding), whether singly or in conjunction with any other event or events, act or acts, condition or conditions, occurrence or occurrences whether or not

related, a material adverse change in, or a material adverse effect on, (i) the business, results of operations, performance, condition (financial or otherwise), assets or liabilities of the Borrower and of the Borrower and its Subsidiaries taken as a whole, (ii) the ability of the Loan Parties to perform any of their respective obligations under the Loan Documents, (iii) the rights and remedies of the Administrative Agent, the Issuing Bank and the Lenders under any of the Loan Documents, or (iv) the legality, validity or enforceability of any of the Loan Documents.

“Material Indebtedness” shall mean, without duplication, Indebtedness (other than the Loans and Letters of Credit) or obligations in respect of one or more Hedging Agreements, of any one or more of the Borrower and its Subsidiaries and any Loan Party in an aggregate principal amount exceeding $10,000,000. For purposes of determining Material Indebtedness, the “principal amount” of the obligations of the Borrower or any Subsidiary or any Loan Party in respect to any Hedging Agreement at any time shall be the maximum aggregate amount (giving effect to any netting agreements) that the Borrower or such Subsidiary or such Loan Party would be required to pay if such Hedging Agreement were terminated at such time.

“Minority Interests” means, with respect to the consolidated Subsidiaries, the Equity Interests held by Persons other than the Borrower or any Loan Party, as reflected in the financial statements of the Borrower and any Loan Party in accordance with GAAP.

“Moody’s” shall mean ▇▇▇▇▇’▇ Investors Service, Inc.

“Multiemployer Plan” shall have the meaning set forth in Section 4001(a)(3) of ERISA.

“Net Casualty Proceeds” means, with respect to any Casualty Event, the amount of any insurance proceeds, or condemnation awards received by the Borrower or any Guarantor, in connection with such Casualty Event in excess of $1,000,000, individually or in the aggregate over the course of a fiscal year (net of all reasonable and customary collection expenses thereof), but excluding any proceeds or awards required to be paid to a creditor (other than the Lenders) which holds a first priority Lien permitted by Section 7.2 on the property which is the subject of such Casualty Event.

“Net Debt Issuance Proceeds” means with respect to any Debt Issuance, the excess of (a) the gross cash proceeds received by the Borrower and/or any Guarantor and any of their consolidated Subsidiaries, from such Debt Issuance, over (b) all reasonable and customary legal, brokerage and commitment fees and expenses incurred in connection with such Debt Issuance.

“Net Disposition Proceeds” means, with respect to any Disposition, the excess of (a) the gross cash proceeds received by the Borrower or any Guarantor from such Disposition and any cash payment received in respect of promissory notes or other non-cash consideration delivered to such party in respect thereof, over (b) the sum of (i) all reasonable and customary legal, investment banking, brokerage and accounting fees and expenses incurred in connection with such Disposition, (ii) all Taxes actually paid or estimated by such party to be payable in cash within the next twelve (12) months in connection with such Disposition, (iii) payments made by such party to retire Indebtedness (other than the Loans or the issuance of any Letter of Credit) where payment of such Indebtedness is required in connection with such Disposition, and (iv) amounts attributable to Minority Interests; provided that if the amount of any estimated Taxes

pursuant to clause (ii) exceeds the amount of Taxes actually required to be paid in cash in respect of such Disposition, the aggregate amount of such excess shall constitute Net Disposition Proceeds; and provided, further, that Net Disposition Proceeds shall not include any interest in surgery centers currently owned or later acquired as part of a Permitted Acquisition and then sold to any consolidated Subsidiary or to a Non-Consolidated Entity by a Borrower or Guarantor.

“Net Equity Proceeds” means, with respect to the sale or issuance by Borrower or any Guarantor to any Person of any common stock, warrants or options or the exercise of any such warrants or options, the excess of (a) the gross cash proceeds received by such Person from such sale, exercise or issuance, over (b) all reasonable and customary underwriting commissions and legal, investment banking, brokerage and accounting and other professional fees, sales commissions and disbursements actually incurred in connection with such sale or issuance which have not been paid to Affiliates of the Borrower or any Guarantor, as applicable, in connection therewith; but excluding for all purposes the sale or issuance by Borrower or any Guarantor of common stock, warrants, or options arising out of the Borrower’s 2001 Equity-Based Compensation Plan or its successor thereto.

“Net Income” shall mean for the Borrower and its consolidated Subsidiaries, for any period, the aggregate of all amounts (exclusive of all amounts in respect of any extraordinary gains but including extraordinary losses) which would be included as net income on the consolidated financial statements of the Borrower and its consolidated Subsidiaries for such period, provided that in all events, Minority Interests expense shall be deducted from the calculation of net income.

“Non-Consolidated Entities” means each of the operating partnerships, limited liability companies, limited liability partnerships, joint ventures or similar entities in which the Borrower or any of its consolidated Subsidiaries have, directly or indirectly, invested, other than the consolidated Subsidiaries.

“Non-Defaulting Lender” shall mean and include each Lender other than a Defaulting Lender.

“Note” shall mean, Revolving Credit Notes (as applicable) and the Swingline Note.

“Notices of Borrowing” shall mean, collectively, the Notices of Revolving Borrowing and the Notices of Swingline Borrowing.

“Notice of Conversion/Continuation” shall mean the notice given by the Borrower to the Administrative Agent in respect of the conversion or continuation of an outstanding Borrowing as provided in Section 2.7(b) hereof.

“Notice of Revolving Borrowing” shall have the meaning as set forth in Section 2.3.

“Notice of Swingline Borrowing” shall have the meaning as set forth in Section 2.5.

“Obligations” shall mean all amounts owing by the Borrower to the Administrative Agent, the Issuing Bank or any Lender (including the Swingline Lender) pursuant to or in connection with this Agreement or any other Loan Document, including without limitation, all

principal, interest (including any interest accruing after the filing of any petition in bankruptcy or the commencement of any insolvency, reorganization or like proceeding relating to the Borrower, whether or not a claim for post-filing or post-petition interest is allowed in such proceeding), all reimbursement obligations, fees, expenses, indemnification and reimbursement payments, costs and expenses (including all fees and expenses of counsel to the Administrative Agent and any Lender (including the Swingline Lender) incurred pursuant to this Agreement or any other Loan Document), whether direct or indirect, absolute or contingent, liquidated or unliquidated, now existing or hereafter arising hereunder or thereunder, together with all renewals, extensions, modifications or refinancings thereof.

“Off-Balance Sheet Liabilities” of any Person shall mean (i) any repurchase obligation or liability of such Person with respect to accounts or notes receivable sold by such Person, (ii) any liability of such Person under any sale and leaseback transactions which do not create a liability on the balance sheet of such Person, (iii) any liability of such Person under any so-called “synthetic” lease transaction, or (iv) 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 sheet of such Person (excluding in all events Guarantees by the Borrower, any Subsidiary, and any Loan Party of performance under operating leases).

“Other Indebtedness” shall mean, at any time, Total Funded Debt less, without duplication, the sum of (i) Permitted Subordinated Debt, (ii) Indebtedness permitted by Section 7.1(h) herein, and (iii) all amounts included within Revolving Credit Exposure.

“Other Taxes” shall mean 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 or any other Loan Document.

“Parent” shall mean United Surgical Partners International, Inc.

“Parent Guarantee Agreement” shall mean a guaranty agreement executed in form and substance acceptable to Lenders pursuant to which the Parent guarantees repayment of all Obligations of the Borrower described herein and evidenced hereunder and under any Loan Document.

“Parent Total Capitalization” shall mean, at any time, the sum of (a) the sum of all amounts (without duplication) which, in accordance with GAAP, would be included in Parent’s stockholders’ equity (excluding unrealized gains or losses recorded pursuant to FAS 115) as required to be reported in Parent’s then most recent consolidated balance sheet, and (b) Parent Total Debt.

“Parent Total Debt” shall mean, on any date, the outstanding principal amount of all Indebtedness of Parent and its Subsidiaries, in each case of the definition of Indebtedness and any contingent liability in respect of any of the foregoing.

“Participant” shall have the meaning set forth in Section 10.4(c).

“Payment Office” shall mean the office of the Administrative Agent located at ▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇, ▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇-▇▇▇▇, or such other location as to which the Administrative Agent shall have given written notice to the Borrower and the other Lenders.

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

“Permitted Acquisitions” means an acquisition of a consolidated Subsidiary (whether pursuant to an acquisition of Equity Interests, assets or otherwise) by the Borrower or any Guarantor from any Person of a business (or an increase of an existing Equity Interest of a consolidated Subsidiary therein) in which the following conditions are satisfied:

(i) immediately before and after giving effect to such acquisition, no Default shall have occurred and be continuing or would result therefrom; and

(ii) the Borrower shall have delivered to the Administrative Agent a compliance certificate for the period of four full fiscal quarters immediately preceding such acquisition (prepared in good faith and in a manner and using such methodology which is consistent with the most recent financial statements delivered pursuant to Section 5.1) giving pro forma effect to the consummation of such acquisition and evidencing compliance with the covenants set forth in Article VI; and

(iii) the acquisition has not been opposed by (a) the board of directors (or equivalent governing body) of the acquired company, or (b) a majority of the physician investors in the acquired company.

Provided, in no event, shall a Physician Transaction be included within this definition.

“Permitted Encumbrances” shall mean

(i) Liens imposed by law for taxes not yet due or which are being contested in good faith by appropriate proceedings and with respect to which adequate reserves are being maintained in accordance with GAAP;

(ii) statutory Liens of landlords and Liens of carriers, warehousemen, mechanics, materialmen and other Liens imposed by law created in the ordinary course of business for amounts not yet due or which are being contested in good faith by appropriate proceedings and with respect to which adequate reserves are being maintained in accordance with GAAP;

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

(iv) 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;

(v) judgment and attachment liens not giving rise to an Event of Default or Liens created by or existing from any litigation or legal proceeding that are currently being contested in good faith by appropriate proceedings and with respect to which adequate reserves are being maintained in accordance with GAAP; and

(vi) easements, zoning restrictions, rights-of-way 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 materially interfere with the ordinary conduct of business of the Borrower and its Subsidiaries taken as a whole;

provided, that the term “Permitted Encumbrances” shall not include any Lien securing the Obligations.

“Permitted Investments” shall mean:

(a) investments in commercial paper maturing in 270 days or less from the date of issuance which, at the time of acquisition by the Borrower or any Subsidiary, is accorded a rating of A2 or better by Standard & Poor’s or P2 or better by Moody’s or any other United States nationally recognized credit rating agency of similar standing;

(b) investments in direct obligations of the United States, any agency or instrumentality of the United States, the payment or guarantee of which constitutes a full faith and credit obligation of the United States, maturing 360 days or less from the date of acquisition thereof (or repurchase agreements fully collateralized by such obligations);

(c) investments in direct obligations of any State or municipality within the United States maturing in 360 days or less from the date of acquisition thereof which, in any such case, at the time of acquisition by the Borrower or any Subsidiary, is accorded one of the two highest long-term or short-term, as applicable, debt ratings by Standard & Poor’s or Moody’s or any other United States nationally recognized credit rating agency of similar standing (or repurchase agreements fully collateralized by such obligations);

(d) investments in certificates of deposit or bankers’ acceptances issued by a bank or trust company having capital, surplus and undivided profits aggregating at least $100,000,000 and having a short-term unsecured debt rating of at least “P-1” by Moody’s or “A-1” by Standard & Poor’s;

(e) cash management accounts maintained by the Borrower and deposit accounts of the Borrower or any of its Subsidiaries in the ordinary course of business;

(f) investments in money market funds that either (i) comply with the criteria set forth in SEC Rule 2a-7 under the Investment Company Act of 1940, or (ii) both (a) provide for daily liquidity, and (b) have the highest rating by at least one nationally recognized rating agency.

“Permitted Subordinated Debt” shall mean: (a) the Holdings Notes, (b) the Holdings Notes Guaranties, and (c) any Indebtedness of the Borrower or any Subsidiary (i) that is

expressly subordinated to the Obligations on terms satisfactory to and approved by the Administrative Agent and the Required Lenders, (ii) that matures by its terms no earlier than six (6) months after the Commitment Termination Date with no scheduled principal payments permitted prior to such maturity, and (iii) that is evidenced by an indenture or other similar agreement that is in a form satisfactory to and approved by the Administrative Agent and the Required Lenders.

“Person” shall mean any individual, partnership, firm, corporation, association, joint venture, limited liability company, trust or other entity, or any Governmental Authority.

“Physician Transaction” means a transaction in the ordinary course of business pursuant to which the Borrower or any Guarantor acquires an increased Equity Interest as a result of the purchase of a physician’s interest in any Person as a result of the applicable provisions of any joint venture agreement, partnership agreement, limited liability company agreement, or similar agreement binding on the Borrower or any Guarantor.

“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 the Borrower 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.

“Pro Rata Share” shall mean, with respect to any Lender at any time, a percentage, the numerator of which shall be the sum of such Lender’s Revolving Commitment and the denominator of which shall be the sum of all Lenders’ Revolving Commitments; or if the Revolving Commitments have been terminated or expired or if the Loans have been declared to be due and payable, a percentage, the numerator of which shall be the sum of such Lender’s Revolving Credit Exposure, and the denominator of which shall be the sum of the aggregate Revolving Credit Exposure.

“Regulation D” shall mean Regulation D of the Board of Governors of the Federal Reserve System, as the same may be in effect from time to time, and any successor regulations.

“Reinvested Proceeds” shall mean proceeds realized from any Disposition of assets which are used to acquire substantially similar property or assets.

“Related Parties” shall mean, 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.

“Release” means any release, spill, emission, leaking, dumping, injection, pouring, deposit, disposal, discharge, dispersal, leaching or migration into the environment (including ambient air, surface water, groundwater, land surface or subsurface strata) or within any building, structure, facility or fixture.

“Required Lenders” shall mean, at any time, Non-Defaulting Lenders holding more than 50% of the aggregate outstanding Revolving Credit Exposure at such time or if the Lenders have

no Revolving Credit Exposure outstanding, then Non-Defaulting Lenders holding more than 50% of the Aggregate Revolving Commitments.

“Responsible Officer” shall mean any of the president, the chief executive officer, the chief operating officer, the chief financial officer, the treasurer or a vice president of the Borrower or such other representative of the Borrower as may be designated in writing by any one of the foregoing with the consent of the Administrative Agent; and, with respect to the financial covenants only, the chief financial officer or the treasurer of the Borrower.

“Restricted Payment” shall have the meaning set forth in Section 7.5.

“Revolving Commitment” shall mean, with respect to each Lender, the obligation of such Lender to make Revolving Loans to the Borrower and to participate in Letters of Credit and Swingline Loans in an aggregate principal amount not exceeding the amount set forth with respect to such Lender on the signature pages to this Agreement, or in the case of a Person becoming a Lender after the Closing Date, the amount of the assigned “Revolving Commitment” as provided in the Assignment and Acceptance Agreement executed by such Person as an assignee, as the same may be changed pursuant to terms hereof.

“Revolving Credit Exposure” shall mean, with respect to any Lender at any time, the sum of the outstanding principal amount of such Lender’s Revolving Loans, such Lender’s LC Exposure and such Lender’s Swingline Exposure.

“Revolving Credit Note” shall mean, if required by any Lender, note of the Borrower payable to the order of a requesting Lender in the principal amount of such Lender’s Revolving Commitment in substantially the form of Exhibit A.

“Revolving Loan” shall mean a loan made by a Lender (other than the Swingline Lender) to the Borrower under its Revolving Commitment, which may either be a Base Rate Loan or a Eurodollar Loan.

“S&P” shall mean Standard & Poor’s.

“Security Documents” shall mean collectively, those certain Stock Pledge Agreements executed by the Loan Parties granting Administrative Agent on behalf of the Lenders a first perfected lien and security interest in the Collateral, together with all required Reg U forms.

“St. Louis Acquisition” shall mean the acquisition by the Borrower from SurgCenter Development and related physicians of surgery centers in the Greater St. Louis area, on terms reasonably acceptable to Administrative Agent and for a total consideration not to exceed $100,000,000 in calendar year 2006 and up to an additional $50,000,000 in calendar year 2007.

“Subordinated Debt Documents” shall mean any indenture, agreement or similar instrument governing any Permitted Subordinated Debt.

“Subsidiary” shall mean, with respect to any Person (the “parent”), any corporation, partnership, joint venture, limited liability company, 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, partnership, joint venture, limited liability company, association or other entity (i) of which securities or other ownership interests representing more than fifty percent (50%) of the equity or more than fifty percent 50% of the ordinary voting power, or in the case of a partnership, more than fifty percent 50% of the general partnership interests are, as of such date, owned, Controlled or held, or (ii) 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. Unless otherwise indicated, all references to “Subsidiary” hereunder shall mean a Subsidiary of the Borrower.

“Subsidiary Guarantee Agreement” shall mean the Subsidiary Guarantee Agreement, substantially in the form of Exhibit C, made by the Subsidiary Loan Parties in favor of the Administrative Agent for the benefit of the Lenders.

“Subsidiary Loan Party” shall mean any consolidated Subsidiary.

“Surgis Acquisition” shall mean the acquisition of Surgis, Inc. pursuant to the terms of that certain Agreement and Plan of Merger by and among Parent, Peak ASC Acquisition Corp., and Surgis, Inc. dated January 27, 2006.

“Swingline Commitment” shall mean the commitment of the Swingline Lender to make Swingline Loans in an aggregate principal amount at any time outstanding not to exceed $20,000,000.

“Swingline Exposure” shall mean, with respect to each Lender, the principal amount of the Swingline Loans in which such Lender is legally obligated to purchase a participation in accordance with Section 2.5, which shall equal such Lender’s Pro Rata Share of all outstanding Swingline Loans.

“Swingline Lender” shall mean SunTrust Bank.

“Swingline Loan” shall mean a loan made to the Borrower by the Swingline Lender under the Swingline Commitment.

“Swingline Note” shall mean the promissory note of the Borrower payable to the order of the Swingline Lender in the principal amount of the Swingline Commitment, substantially in the form of Exhibit B.

“Swingline Rate” shall mean for any Interest Period, the rate as offered by the Agent and accepted by the Borrower. The Borrower is under no obligation to accept this rate and the Agent is under no obligation to provide it.

“Swingline Termination Date” shall mean the date that is thirty (30) Business Days prior to the Commitment Termination Date.

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

“Total Debt” shall mean, as of any date of determination, total Indebtedness, provided that for the purpose of this definition, Indebtedness evidenced by Guarantees executed by any Loan Party for Indebtedness of Non-Consolidated Entities shall be included, and provided further, Total Debt shall include, without limitation, all Loans and Letter of Credit Exposure under the Loan Documents.

“Total Funded Debt” shall mean, at any time, all then currently outstanding obligations, liabilities and Indebtedness of the Borrower and its consolidated Subsidiaries, including, without limitation, the Revolving Credit Exposure.

“Total Net Debt” shall mean, as of any date of determination, Total Debt less any cash balances of the Borrower greater than $25,000,000.

“Type”, when used in reference to a 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 Base Rate.

“Withdrawal Liability” shall mean 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 1.2 Classifications of Loans and Borrowings. For purposes of this Agreement, Loans may be classified and referred to by Class (e.g. a “Revolving Loan” or “Swingline Loan”) or by Type (e.g. a “Eurodollar Loan” or “Base Rate Loan”) or by Class and Type (e.g. “Revolving Eurodollar Loan”). Borrowings also may be classified and referred to by Class (e.g. “Revolving Borrowing”) or by Type (e.g. “Eurodollar Borrowing”) or by Class and Type (e.g. “ Revolving Eurodollar Borrowing”).

Section 1.3 Accounting Terms and Determination. Unless otherwise defined or specified herein, all accounting terms used herein shall be interpreted, all accounting determinations hereunder shall be made, and all financial statements required to be delivered hereunder shall be prepared, in accordance with GAAP as in effect from time to time, applied on a basis consistent (except for such changes approved by the Borrower’s independent public accountants) with the most recent audited consolidated financial statement of the Parent delivered pursuant to Section 5.1(a); provided, that if the Borrower notifies the Administrative Agent that the Borrower wishes to amend any covenant in Article VI to eliminate the effect of any change in GAAP on the operation of such covenant (or if the Administrative Agent notifies the Borrower that the Required Lenders wish to amend Article VI for such purpose), then the Borrower’s compliance with such covenant shall be determined on the basis of GAAP in effect immediately before the relevant change in GAAP became effective, until either such notice is withdrawn or such covenant is amended in a manner satisfactory to the Borrower and the Required Lenders.

Section 1.4 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”. In the computation of periods of time from a specified date to a later specified date, the word “from” means “from and including” and the word “to” means “to but excluding”. Unless the context requires otherwise (i) 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 it was originally executed or as it may from time to time be amended, supplemented or otherwise modified (subject to any restrictions on such amendments, supplements or modifications set forth herein), (ii) any reference herein to any Person shall be construed to include such Person’s successors and permitted assigns, (iii) the words “hereof”, “herein” and “hereunder” and words of similar import shall be construed to refer to this Agreement as a whole and not to any particular provision hereof, (iv) all references to Articles, Sections, Exhibits and Schedules shall be construed to refer to Articles, Sections, Exhibits and Schedules to this Agreement, and (v) all references to a specific time shall be construed to refer to the time in the city and state of the Administrative Agent’s principal office, unless otherwise indicated.

ARTICLE II

AMOUNT AND TERMS OF THE COMMITMENTS

Section 2.1 General Description of Facilities. Subject to and upon the terms and conditions herein set forth, (a) the Lenders hereby establish in favor of the Borrower a revolving credit facility pursuant to which the Lenders severally agree (to the extent of each Lender’s Pro Rata Share up to such Lender’s Revolving Commitment) to make Revolving Loans to the Borrower in accordance with Section 2.2, (b) the Issuing Bank agrees to issue Letters of Credit in accordance with Section 2.22, (c) the Swingline Lender agrees to make Swingline Loans in accordance with Section 2.4, and (d) each Lender agrees to purchase a participation interest in the Letters of Credit and the Swingline Loans pursuant to the terms and conditions hereof; provided, that in no event shall the aggregate principal amount of all outstanding Revolving Loans, Swingline Loans and outstanding LC Obligations exceed at any time the Aggregate Revolving Commitments from time to time in effect.

Section 2.2 Revolving Loans. Subject to the terms and conditions set forth herein, each Lender severally agrees to make Revolving Loans to the Borrower, from time to time during the Availability Period, in an aggregate principal amount outstanding at any time that will not result in (a) such Lender’s Revolving Credit Exposure exceeding such Lender’s Revolving Commitment, or (b) the sum of the aggregate Revolving Credit Exposures of all Lenders exceeding the Aggregate Revolving Commitments. During the Availability Period, the Borrower shall be entitled to borrow, prepay and reborrow Revolving Loans in accordance with the terms and conditions of this Agreement; provided, that the Borrower may not borrow or reborrow should there exist a Default or Event of Default.

Section 2.3 Procedure for Revolving Borrowings. The Borrower shall give the Administrative Agent written notice (or telephonic notice promptly confirmed in writing) of each Revolving Borrowing substantially in the form of Exhibit 2.3 attached hereto (a “Notice of Revolving Borrowing”) (x) prior to 11:00 a.m. one (1) Business Day prior to the requested date of each Base Rate Borrowing, and (y) prior to 11:00 a.m. three (3) Business Days prior to the requested date of each Eurodollar Borrowing. Each Notice of Revolving Borrowing shall be

irrevocable and shall specify: (i) the aggregate principal amount of such Borrowing, (ii) the date of such Borrowing (which shall be a Business Day), (iii) the Type of such Revolving Loan comprising such Borrowing, and (iv) in the case of a Eurodollar Borrowing, the duration of the initial Interest Period applicable thereto (subject to the provisions of the definition of Interest Period). Each Revolving Borrowing shall consist entirely of Base Rate Loans or Eurodollar Loans, as the Borrower may request. The aggregate principal amount of each Revolving Borrowing shall be not less than $1,000,000 or a larger multiple of $500,000; provided, that Revolving Base Rate Loans made pursuant to Section 2.5 or Section 2.22(c) may be made in lesser amounts as provided therein. At no time shall the total number of Eurodollar Borrowings outstanding at any time exceed eight (8). Promptly following the receipt of a Notice of Revolving Borrowing in accordance herewith, the Administrative Agent shall advise each Lender of the details thereof and the amount of such Lender’s Revolving Loan to be made as part of the requested Revolving Borrowing.

Section 2.4 Swingline Commitment. Subject to the terms and conditions set forth herein, the Swingline Lender agrees to make Swingline Loans to the Borrower, from time to time during the Availability Period, in an aggregate principal amount outstanding at any time not to exceed the lesser of (a) the Swingline Commitment then in effect, and (b) the difference between the Aggregate Revolving Commitments and the sum of the aggregate Revolving Credit Exposures of all Lenders; provided, that the Swingline Lender shall not be required to make a Swingline Loan to refinance an outstanding Swingline Loan. The Borrower shall be entitled to borrow, repay and reborrow Swingline Loans in accordance with the terms and conditions of this Agreement.

Section 2.5 Procedure for Swingline Borrowing; Etc.

(a) The Borrower shall give the Administrative Agent written notice (or telephonic notice promptly confirmed in writing) of each Swingline Borrowing (“Notice of Swingline Borrowing”) prior to 11:00 a.m. on the requested date of each Swingline Borrowing. Each Notice of Swingline Borrowing shall be irrevocable and shall specify: (i) the principal amount of such Swingline Loan, (ii) the date of such Swingline Loan (which shall be a Business Day), and (iii) the account of the Borrower to which the proceeds of such Swingline Loan should be credited. The Administrative Agent will promptly advise the Swingline Lender of each Notice of Swingline Borrowing. Each Swingline Loan shall accrue interest at the Swingline Rate and shall have an Interest Period (subject to the definition thereof) as agreed between the Borrower and the Swingline Lender. The aggregate principal amount of each Swingline Loan shall be not less than $250,000 or a larger multiple of $100,000, or such other minimum amounts agreed to by the Swingline Lender and the Borrower. The Swingline Lender will make the proceeds of each Swingline Loan available to the Borrower in Dollars in immediately available funds at the account specified by the Borrower in the applicable Notice of Swingline Borrowing not later than 1:00 p.m. on the requested date of such Swingline Loan. The Administrative Agent will notify the Lenders on a quarterly basis if any Swingline Loans occurred during such quarter.

(b) The Swingline Lender, at any time and from time to time in its sole discretion, may, on behalf of the Borrower (which hereby irrevocably authorizes and

directs the Swingline Lender to act on its behalf), give a Notice of Revolving Borrowing to the Administrative Agent requesting the Lenders (including the Swingline Lender) to make Base Rate Loans in an amount equal to the unpaid principal amount of any Swingline Loan. Each Lender will make the proceeds of its Revolving Base Rate Loan included in such Borrowing available to the Administrative Agent for the account of the Swingline Lender in accordance with Section 2.6, which will be used solely for the repayment of such Swingline Loan.

(c) If for any reason a Revolving Base Rate Borrowing may not be (as determined in the sole discretion of the Administrative Agent), or is not, made in accordance with the foregoing provisions, then each Lender (other than the Swingline Lender) shall purchase an undivided participating interest in such Swingline Loan in an amount equal to its Pro Rata Share thereof on the date that such Revolving Base Rate Borrowing should have occurred. On the date of such required purchase, each Lender shall promptly transfer, in immediately available funds, the amount of its participating interest to the Administrative Agent for the account of the Swingline Lender. If such Swingline Loan bears interest at a rate other than the Base Rate, such Swingline Loan shall automatically become a Revolving Base Rate Loan on the effective date of any such participation and interest shall become payable on demand.

(d) Each Lender’s obligation to make a Revolving Base Rate Loan pursuant to Section 2.5(b) or to purchase the participating interests pursuant to Section 2.5(c) shall be absolute and unconditional and shall not be affected by any circumstance, including without limitation (i) any setoff, counterclaim, recoupment, defense or other right that such Lender or any other Person may have or claim against the Swingline Lender, the Borrower or any other Person for any reason whatsoever, (ii) the existence of a Default or an Event of Default or the termination of any Lender’s Revolving Commitment, (iii) the existence (or alleged existence) of any event or condition which has had or could reasonably be expected to have a Material Adverse Effect, (iv) any breach of this Agreement or any other Loan Document by the Borrower, the Administrative Agent or any Lender, or (v) any other circumstance, happening or event whatsoever, whether or not similar to any of the foregoing. If such amount is not in fact made available to the Swingline Lender by any Lender, the Swingline Lender shall be entitled to recover such amount on demand from such Lender, together with accrued interest thereon for each day from the date of demand thereof at the Federal Funds Rate. Until such time as such Lender makes its required payment, the Swingline Lender shall be deemed to continue to have outstanding Swingline Loans in the amount of the unpaid participation for all purposes of the Loan Documents. In addition, such Lender shall be deemed to have assigned any and all payments made of principal and interest on its Loans and any other amounts due to it hereunder, to the Swingline Lender to fund the amount of such Lender’s participation interest in such Swingline Loans that such Lender failed to fund pursuant to this Section, until such amount has been purchased in full.

Section 2.6 Funding of Borrowings.

(a) Each Lender will make available each Loan to be made by it hereunder on the proposed date thereof by wire transfer in immediately available funds by 11:00 a.m.

to the Administrative Agent at the Payment Office; provided, that the Swingline Loans will be made as set forth in Section 2.5. The Administrative Agent will make such Loans available to the Borrower by promptly crediting the amounts that it receives, in like funds by the close of business on such proposed date, to an account maintained by the Borrower with the Administrative Agent or at the Borrower’s option, by effecting a wire transfer of such amounts to an account designated by the Borrower to the Administrative Agent.

(b) Unless the Administrative Agent shall have been notified by any Lender prior to 5:00 p.m. one (1) Business Day prior to the date of a Borrowing in which such Lender is participating that such Lender will not make available to the Administrative Agent such Lender’s share of such Borrowing, the Administrative Agent may assume that such Lender has made such amount available to the Administrative Agent on such date, and the Administrative Agent, in reliance on such assumption, may make available to the Borrower on such date a corresponding amount. If such corresponding amount is not in fact made available to the Administrative Agent by such Lender on the date of such Borrowing, the Administrative Agent shall be entitled to recover such corresponding amount on demand from such Lender together with interest at the Federal Funds Rate for up to two (2) days and thereafter at the rate specified for such Borrowing. If such Lender does not pay such corresponding amount forthwith upon the Administrative Agent’s demand therefor, the Administrative Agent shall promptly notify the Borrower, and the Borrower shall immediately pay such corresponding amount to the Administrative Agent together with interest at the rate specified for such Borrowing. Nothing in this subsection shall be deemed to relieve any Lender from its obligation to fund its Pro Rata Share of any Borrowing hereunder or to prejudice any rights which the Borrower may have against any Lender as a result of any default by such Lender hereunder.

(c) All Revolving Borrowings shall be made by the Lenders on the basis of their respective Pro Rata Shares. No Lender shall be responsible for any default by any other Lender in its obligations hereunder, and each Lender shall be obligated to make its Loans provided to be made by it hereunder, regardless of the failure of any other Lender to make its Loans hereunder.

Section 2.7 Interest Elections.

(a) Each Borrowing initially shall be of the Type specified in the applicable Notice of Borrowing, and in the case of a Eurodollar Borrowing, shall have an initial Interest Period as specified in such Notice of Borrowing. Thereafter, the Borrower may elect to convert such Borrowing into a different Type or to continue such Borrowing, and in the case of a Eurodollar Borrowing, may elect Interest Periods therefor, all as provided in this Section. The Borrower may elect different options with respect to different portions of the affected Borrowing, in which case each such portion shall be allocated ratably among the Lenders holding Loans comprising such Borrowing, and the Loans comprising each such portion shall be considered a separate Borrowing. This Section shall NOT apply to Swingline Borrowings, which may not be converted or continued.

(b) To make an election pursuant to this Section, the Borrower shall give the Administrative Agent prior written notice (or telephonic notice promptly confirmed in

writing) of each Borrowing (a “Notice of Conversion/Continuation”) that is to be converted or continued, as the case may be, (x) prior to 10:00 a.m. one (1) Business Day prior to the requested date of a conversion into a Base Rate Borrowing, and (y) prior to 11:00 a.m. three (3) Business Days prior to a continuation of or conversion into a Eurodollar Borrowing. Each such Notice of Conversion/Continuation shall be irrevocable and shall specify: (i) the Borrowing to which such Notice of Continuation/Conversion applies and if different options are being elected with respect to different portions thereof, the portions thereof that are to be allocated to each resulting Borrowing (in which case the information to be specified pursuant to clauses (iii) and (iv) shall be specified for each resulting Borrowing); (ii) the effective date of the election made pursuant to such Notice of Continuation/Conversion, which shall be a Business Day; (iii) whether the resulting Borrowing is to be a Base Rate Borrowing or a Eurodollar Borrowing; and (iv) if the resulting Borrowing is to be a Eurodollar Borrowing, the Interest Period applicable thereto after giving effect to such election, which shall be a period contemplated by the definition of “Interest Period”. If any such Notice of Continuation/Conversion requests a Eurodollar Borrowing but does not specify an Interest Period, the Borrower shall be deemed to have selected an Interest Period of one month. The principal amount of any resulting Borrowing shall satisfy the minimum borrowing amount for Eurodollar Borrowings and Base Rate Borrowings set forth in Section 2.3.

(c) If, on the expiration of any Interest Period in respect of any Eurodollar Borrowing, the Borrower shall have failed to deliver a Notice of Conversion/ Continuation, then, unless such Borrowing is repaid as provided herein, the Borrower shall be deemed to have elected to convert such Borrowing to a Base Rate Borrowing. No Borrowing may be converted into, or continued as, a Eurodollar Borrowing if a Default or an Event of Default exists, unless the Administrative Agent and each of the Lenders shall have otherwise consented in writing. No conversion of any Eurodollar Loans shall be permitted except on the last day of the Interest Period in respect thereof.

(d) Upon receipt of any Notice of Conversion/Continuation, the Administrative Agent shall promptly notify each Lender of the details thereof and of such Lender’s portion of each resulting Borrowing.

Section 2.8 Optional Reduction and Termination of Commitments.

(a) Unless previously terminated, all Revolving Commitments shall terminate on the Commitment Termination Date, except that the Swingline Commitment shall terminate on the Swingline Termination Date.

(b) Upon at least three (3) Business Days’ prior written notice (or telephonic notice promptly confirmed in writing) to the Administrative Agent (which notice shall be irrevocable), the Borrower may reduce the Aggregate Revolving Commitments in part or terminate the Aggregate Revolving Commitments in whole; provided, that (i) any partial reduction shall apply to reduce proportionately and permanently the Revolving Commitment of each Lender, (ii) any partial reduction pursuant to this Section 2.8 shall be in an amount of at least $1,000,000 and any larger multiple of $250,000, and (iii) no such reduction shall be permitted which would reduce the Aggregate Revolving

Commitments to an amount less than the outstanding Revolving Credit Exposures of all Lenders. Any such reduction in the Aggregate Revolving Commitments shall result in a proportionate reduction (rounded to the next lowest integral multiple of $100,000) in the Swingline Commitment and the LC Commitment.

Section 2.9 Repayment of Loans.

(a) The outstanding principal amount of all Revolving Loans shall be due and payable (together with accrued and unpaid interest thereon) on the Commitment Termination Date.

(b) The principal amount of each Swingline Borrowing shall be due and payable (together with accrued interest thereon) on the earlier of (i) the last day of the Interest Period applicable to such Borrowing, and (ii) the Swingline Termination Date.

Section 2.10 Evidence of Indebtedness.

(a) Each Lender shall maintain in accordance with its usual practice appropriate records evidencing the indebtedness of the Borrower to such Lender resulting from each Loan made by such Lender from time to time, including the amounts of principal and interest payable thereon and paid to such Lender from time to time under this Agreement. The Administrative Agent shall maintain appropriate records in which shall be recorded (i) the Revolving Commitment of each Lender, (ii) the amount of each Loan made hereunder by each Lender, the Class and Type thereof and the Interest Period applicable thereto, (iii) the date of each continuation thereof pursuant to Section 2.7, (iv) the date of each conversion of all or a portion thereof to another Type pursuant to Section 2.7, (v) the date and amount of any principal or interest due and payable or to become due and payable from the Borrower to each Lender hereunder in respect of such Loans, and (vi) both the date and amount of any sum received by the Administrative Agent hereunder from the Borrower in respect of the Loans and each Lender’s Pro Rata Share thereof. The entries made in such records shall be prima facie evidence of the existence and amounts of the obligations of the Borrower therein recorded; provided, that the failure or delay of any Lender or the Administrative Agent in maintaining or making entries into any such record or any error therein shall not in any manner affect the obligation of the Borrower to repay the Loans (both principal and unpaid accrued interest) of such Lender in accordance with the terms of this Agreement.

(b) At the request of any Lender (including the Swingline Lender) at any time, the Borrower agrees that it will execute and deliver to such Lender a Revolving Credit Note, and, in the case of the Swingline Lender only, a Swingline Note, payable to the order of such Lender.

Section 2.11 Prepayments.

(a) Optional Prepayments. The Borrower shall have the right at any time and from time to time to prepay any Borrowing, in whole or in part, without premium or penalty, by giving irrevocable written notice (or telephonic notice promptly confirmed in writing) to the Administrative Agent no later than (i) in the case of prepayment of any

Eurodollar Borrowing, 11:00 a.m. not less than three (3) Business Days prior to any such prepayment, (ii) in the case of any prepayment of any Base Rate Borrowing, not less than one (1) Business Day prior to the date of such prepayment, and (iii) in the case of Swingline Borrowings, prior to 11:00 a. m. on the date of such prepayment. Prepayments of any Eurodollar Borrowing or Base Rate Borrowing shall be in minimum amounts of $1,000,000 and in integral multiples of $250,000. Each such notice shall be irrevocable and shall specify the proposed date of such prepayment and the principal amount of each Borrowing or portion thereof to be prepaid. Upon receipt of any such notice, the Administrative Agent shall promptly notify each affected Lender of the contents thereof and of such Lender’s Pro Rata Share of any such prepayment. If such notice is given, the aggregate amount specified in such notice shall be due and payable on the date designated in such notice, together with accrued interest to such date on the amount so prepaid in accordance with Section 2.12(e); provided, that if a Eurodollar Borrowing is prepaid on a date other than the last day of an Interest Period applicable thereto, the Borrower shall also pay all amounts required pursuant to Section 2.18. Each partial prepayment of any Loan (other than a Swingline Loan) shall be in an amount that would be permitted in the case of an advance of a Revolving Borrowing of the same Type pursuant to Section 2.2 or in the case of a Swingline Loan pursuant to Section 2.5. Each prepayment of a Borrowing shall be applied ratably to the Loans comprising such Borrowing.

(b) Mandatory Prepayments. At the following times and upon receipt of the same by any Loan Party, the Borrower shall cause the Administrative Agent to receive for application to the Revolving Loans an amount equal to one hundred percent (100%) of: (i) Net Casualty Proceeds which do not become Reinvested Proceeds within one hundred eighty (180) days of receipt thereof, (ii) within one hundred eighty (180) days of receipt thereof, Net Debt Issuance Proceeds not used either to refinance the Holdings Notes or for Permitted Acquisitions, (iii) within three (3) Business Days after receipt thereof, Net Equity Proceeds; and (iv) Net Disposition Proceeds which do not become Reinvested Proceeds within one hundred eighty (180) days after receipt thereof; provided that the time period of one hundred eighty (180) days shall be extended to three hundred sixty-five (365) days if Holdings obtains Net Disposition Proceeds from the sale or transfer of Equity Interests in any of USP International Holdings, Inc., Global Healthcare Partners, Ltd., United Surgical Partners Europe, S.L. and/or USPE Holdings, Ltd. So long as no Default has occurred, the mandatory prepayments required by this Section 2.11(b) shall not be deemed to reduce permanently the Revolving Commitment. If a Default has occurred and is continuing, then notwithstanding anything contained in this Section 2.11(b) to the contrary, the Borrower shall cause the Administrative Agent to receive immediately on receipt of the same for application as a permanent reduction to the Revolving Loans an amount equal to one hundred percent (100%) of: (i) Net Casualty Proceeds, (ii) Net Debt Issuance Proceeds, (iii) Net Equity Proceeds, and (iv) Net Disposition Proceeds.

Section 2.12 Interest on Loans.

(a) The Borrower shall pay interest on each Base Rate Loan at the Base Rate plus, in each case, the Applicable Margin in effect from time to time, and on each

Eurodollar Loan at the Adjusted LIBO Rate for the applicable Interest Period in effect for such Loan, plus, in each case, the Applicable Margin in effect from time to time.

(b) The Borrower shall pay interest on each Swingline Loan at the Swingline Rate.

(c) While an Event of Default exists or after acceleration, at the option of the Required Lenders, the Borrower shall pay interest on the Loans at the Default Rate.

(d) Interest on the principal amount of all Loans shall accrue from and including the date such Loans are made to but excluding the date of any repayment thereof. Interest on all outstanding Base Rate Loans shall be payable quarterly in arrears on the last day of each March, June, September and December and on the Commitment Termination Date, as the case may be. Interest on all outstanding Eurodollar Loans shall be payable on the last day of each Interest Period applicable thereto, and, in the case of any Eurodollar Loans having an Interest Period in excess of three months or ninety (90) days, respectively, on each day which occurs every three months or ninety (90) days, as the case may be, after the initial date of such Interest Period, and on the Commitment Termination Date, as the case may be. Interest on each Swingline Loan shall be payable on the maturity of such Loan, which shall be the last day of the Interest Period applicable thereto, and on the Swingline Termination Date. Interest on any Loan which is converted into a Loan of another Type or which is repaid or prepaid shall be payable on the date of such conversion or on the date of any such repayment or prepayment (on the amount repaid or prepaid) thereof. Interest calculated at the Default Rate shall be payable on demand.

(e) The Administrative Agent shall determine each interest rate applicable to the Loans hereunder and shall promptly notify the Borrower and the Lenders of such rate in writing (or by telephone, promptly confirmed in writing). Any such determination shall be presumed correct for all purposes, absent manifest error.

Section 2.13 Fees.

(a) Administrative Agent Fees. The Borrower shall pay to the Administrative Agent for its own account fees in the amounts and at the times previously agreed upon the Borrower and the Administrative Agent.

(b) Commitment Fee. The Borrower agrees to pay to the Administrative Agent for the account of each Lender a Commitment Fee, which shall accrue at the Applicable Percentage (on an annualized basis but determined daily in accordance with Schedule I) on the average daily amount of the unused Revolving Commitment of such Lender during the Availability Period; provided, that if such Lender continues to have any Revolving Credit Exposure after the Commitment Termination Date, then the Commitment Fee shall continue to accrue on the amount of such Lender’s unused Revolving Commitment from and after the Commitment Termination Date to the date that all of such Lender’s Revolving Credit Exposure has been paid in full. Accrued Commitment Fees shall be payable in arrears on the last day of each March, June,

September and December of each year and on the Commitment Termination Date, commencing on the first such date after the Closing Date; provided further, that any Commitment Fees accruing after the Commitment Termination Date shall be payable on demand. For purposes of computing Commitment Fees with respect to the Revolving Commitments, the Revolving Commitment of each Lender shall be deemed used to the extent of the outstanding Revolving Loans and LC Exposure of such Lender. Loans under the Swingline Commitment shall not be deemed usage under the Revolving Commitment. The Commitment Fee shall initially be 0. 50%.

(c) Letter of Credit Fees. The Borrower agrees to pay (i) to the Administrative Agent, for the account of each Lender, a letter of credit fee with respect to its participation in each Letter of Credit, which shall accrue at the Applicable Margin (on an annualized basis but determined daily in accordance with Schedule I) then in effect on the average daily amount of such Lender’s LC Exposure (excluding any portion thereof attributable to unreimbursed LC Disbursements) attributable to such Letter of Credit during the period from and including the date of issuance of such Letter of Credit to but excluding the date on which such Letter of Credit expires or is drawn in full (including without limitation any LC Exposure that remains outstanding after the Commitment Termination Date), and (ii) to the Issuing Bank for its own account a fronting fee, which shall accrue at the rate of 0.125% per annum on the average daily amount of the LC Exposure (excluding any portion thereof attributable to unreimbursed LC Disbursements) during the Availability Period (or until the date that such Letter of Credit is irrevocably canceled, whichever is later), as well as the Issuing Bank’s standard fees with respect to issuance, amendment, renewal or extension of any Letter of Credit or processing of drawings thereunder.

(d) Payments. Accrued fees under subsection (b) and (c)(i) of this Section shall be payable quarterly in arrears on the last day of each March, June, September and December, commencing on March 31, 2006 and on the Commitment Termination Date (and if later, the date the Loans and LC Exposure shall be repaid in their entirety). Fees under subsection (c)(ii) of this Section shall be payable in advance on the date of the issuance of the Letter of Credit for the term of such Letter of Credit. Interest shall accrue on any unpaid fee at the rate in effect for Base Rate Loans, plus an additional two percent (2%) per annum.

Section 2.14 Computation of Interest and Fees. To the extent permitted by applicable law, all computations of fees and interest under this Agreement payable in respect of any period shall be made by the Administrative Agent on the basis of a 360-day year, in each case for the actual number of days (including the first day but excluding the last day) occurring in the period for which such fees or interest are payable. Each determination by the Administrative Agent of an interest amount or fee hereunder shall be made in good faith and, except for manifest error, shall be presumed correct for all purposes.

Section 2.15 Inability to Determine Interest Rates. If prior to the commencement of any Interest Period for any Eurodollar Borrowing,

(a) the Administrative Agent shall have determined (which determination shall be conclusive and binding upon the Borrower) that, by reason of circumstances affecting the relevant interbank market, adequate means do not exist for ascertaining LIBOR for such Interest Period; or

(b) the Administrative Agent shall have received notice from the Required Lenders that the Adjusted LIBO Rate does not adequately and fairly reflect the cost to such Lenders (or Lender, as the case may be) of making, funding or maintaining their (or its, as the case may be) Eurodollar Loans for such Interest Period;

the Administrative Agent shall give written notice (or telephonic notice, promptly confirmed in writing) to the Borrower and to the Lenders as soon as practicable thereafter. In the case of Eurodollar Loans, until the Administrative Agent shall notify the Borrower and the Lenders that the circumstances giving rise to such notice no longer exist, (i) the obligations of the Lenders to make Eurodollar Revolving Loans or to continue or convert outstanding Loans as or into Eurodollar Loans shall be suspended, and (ii) all such affected Loans shall be converted into Base Rate Loans on the last day of the then current Interest Period applicable thereto unless the Borrower prepays such Loans in accordance with this Agreement. Unless the Borrower notifies the Administrative Agent at least one Business Day before the date of any Eurodollar Revolving Borrowing for which a Notice of Revolving Borrowing has previously been given that it elects not to borrow on such date, then such Revolving Borrowing shall be made as a Base Rate Borrowing.

Section 2.16 Illegality. If any Change in Law shall make it unlawful or impossible for any Lender to make, maintain or fund any Eurodollar Loan and such Lender shall so notify the Administrative Agent, the Administrative Agent shall promptly give notice thereof to the Borrower and the other Lenders, whereupon until such Lender notifies the Administrative Agent and the Borrower that the circumstances giving rise to such suspension no longer exist, the obligation of such Lender to make Eurodollar Revolving Loans, or to continue or convert outstanding Loans as or into Eurodollar Loans, shall be suspended. In the case of the making of a Eurodollar Revolving Borrowing, such Lender’s Revolving Loan shall be made as a Base Rate Loan as part of the same Revolving Borrowing for the same Interest Period and if the affected Eurodollar Loan is then outstanding, such Loan shall be converted to a Base Rate Loan either (i) on the last day of the then current Interest Period applicable to such Eurodollar Loan if such Lender may lawfully continue to maintain such Loan to such date, or (ii) immediately if such Lender shall determine that it may not lawfully continue to maintain such Eurodollar Loan to such date. Notwithstanding the foregoing, the affected Lender shall, prior to giving such notice to the Administrative Agent, designate a different Applicable Lending Office if such designation would avoid the need for giving such notice and if such designation would not otherwise be disadvantageous to such Lender in the good faith exercise of its discretion.

Section 2.17 Increased Costs.

(a) If any Change in Law shall:

(i) impose, modify or deem applicable any reserve, special deposit or similar requirement that is not otherwise included in the determination of the

Adjusted LIBO Rate hereunder 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 the Issuing Bank; or

(ii) impose on any Lender or on the Issuing Bank or the eurodollar interbank market any other condition affecting this Agreement or any Eurodollar Loans made by such Lender or any Letter of Credit or any participation therein;

and the result of the foregoing is to increase the cost to such Lender of making, converting into, continuing or maintaining a Eurodollar Loan or to increase the cost to such Lender or the Issuing Bank of participating in or issuing any Letter of Credit or to reduce the amount received or receivable by such Lender or the Issuing Bank hereunder (whether of principal, interest or any other amount), then the Borrower shall promptly pay, upon written notice from and demand by such Lender on the Borrower (with a copy of such notice and demand to the Administrative Agent), to the Administrative Agent for the account of such Lender, within five (5) Business Days after the date of such notice and demand, additional amount or amounts sufficient to compensate such Lender or the Issuing Bank, as the case may be, for such additional costs incurred or reduction suffered.

(b) If any Lender or the Issuing Bank shall have determined that on or after the date of this Agreement any Change in Law regarding capital requirements has or would have the effect of reducing the rate of return on such Lender’s or the Issuing Bank’s capital (or on the capital of such Lender’s or the Issuing Bank’s parent corporation) as a consequence of its obligations hereunder or under or in respect of any Letter of Credit to a level below that which such Lender or the Issuing Bank or such Lender’s or the Issuing Bank’s parent corporation could have achieved but for such Change in Law (taking into consideration such Lender’s or the Issuing Bank’s policies or the policies of such Lender’s or the Issuing Bank’s parent corporation with respect to capital adequacy) then, from time to time, within five (5) Business Days after receipt by the Borrower of written demand by such Lender (with a copy thereof to the Administrative Agent), the Borrower shall pay to such Lender such additional amounts as will compensate such Lender or the Issuing Bank or such Lender’s or the Issuing Bank’s parent corporation for any such reduction suffered.

(c) A certificate of a Lender or the Issuing Bank setting forth the amount or amounts necessary to compensate such Lender or the Issuing Bank or such Lender’s or the Issuing Bank’s parent corporation, as the case may be, specified in paragraph (a) or (b) of this Section shall be delivered to the Borrower (with a copy to the Administrative Agent) and shall be presumed correct, absent manifest error. The Borrower shall pay any such Lender or the Issuing Bank, as the case may be, such amount or amounts within five (5) Business Days after receipt thereof.

(d) Failure or delay on the part of any Lender or the Issuing Bank to demand compensation pursuant to this Section shall not constitute a waiver of such Lender’s or the Issuing Bank’s right to demand such compensation.

Section 2.18 Funding Indemnity. In the event of (a) the payment of any principal of a Eurodollar Loan other than on the last day of the Interest Period applicable thereto (including as a result of an Event of Default), (b) the conversion or continuation of a Eurodollar Loan other than on the last day of the Interest Period applicable thereto, or (c) the failure by the Borrower to borrow, prepay, convert or continue any Eurodollar Loan on the date specified in any applicable notice (regardless of whether such notice is withdrawn or revoked), then, in any such event, the Borrower shall compensate each Lender, within five (5) Business Days after written demand from such Lender, for any loss, cost or expense attributable to such event. In the case of a Eurodollar Loan, such loss, cost or expense shall be deemed to include an amount determined by such Lender to be the excess, if any, of (A) the amount of interest that would have accrued on the principal amount of such Eurodollar Loan if such event had not occurred at the Adjusted LIBO Rate applicable to such Eurodollar 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 Eurodollar Loan) over (B) the amount of interest that would accrue on the principal amount of such Eurodollar Loan for the same period if the Adjusted LIBO Rate were set on the date such Eurodollar Loan was prepaid or converted or the date on which the Borrower failed to borrow, convert or continue such Eurodollar Loan. A certificate as to any additional amount payable under this Section 2.18 submitted to the Borrower by any Lender shall be presumed correct, absent manifest error.

Section 2.19 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, any Lender or the Issuing Bank (as the case may be) shall receive 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, each Lender and the Issuing Bank, within five (5) Business Days after written demand therefor, for the full amount of any Indemnified Taxes or Other Taxes paid by the Administrative Agent, such Lender or the Issuing Bank, 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 as a result of the Borrower’s failure to comply with this Section 2.19(c) in a timely manner, whether or not such Indemnified Taxes or Other Taxes were correctly or legally imposed or asserted by the relevant Governmental Authority. A certificate as to the amount of such payment or liability delivered to the Borrower by a Lender or the

Issuing Bank, or by the Administrative Agent on its own behalf or on behalf of a Lender or the Issuing Bank, shall be presumed correct 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. Without limiting the generality of the foregoing, each Foreign Lender agrees that it will deliver to the Administrative Agent and the Borrower (or in the case of a Participant, to the Lender from which the related participation shall have been purchased) two (2) duly completed copies of Internal Revenue Service Form 1001 or 4224, or any successor form thereto, as the case may be, certifying in each case that such Foreign Lender is entitled to receive payments made by the Borrower hereunder and under the Notes payable to it, without deduction or withholding of any United States federal income taxes and (ii) a duly completed Internal Revenue Service Form W-8 or W-9, or any successor form thereto, as the case may be, to establish an exemption from United State backup withholding tax. Each such Foreign Lender shall deliver to the Borrower and the Administrative Agent such forms on or before the date that it becomes a party to this Agreement (or in the case of a Participant, on or before the date such Participant purchases the related participation). In addition, each such Lender shall deliver such forms promptly upon the obsolescence or invalidity of any form previously delivered by such Lender. Each such Lender shall promptly notify the Borrower and the Administrative Agent at any time that it determines that it is no longer in a position to provide any previously delivered certificate to the Borrower (or any other form of certification adopted by the U.S. taxing authorities for such purpose).

(f) For any period with respect to which a Lender has failed to provide the Borrower with the appropriate form pursuant to Section 2.19(e), such Lender shall not be entitled to indemnification under this Section 2.19 or Section 10.3 with respect to any Indemnified Taxes or Other Taxes which would not have been payable had such form been so provided; provided that if a Lender, which is otherwise exempt from or subject to a reduced rate of withholding tax, becomes subject to Indemnified Taxes because of its failure to deliver a form required hereunder, the Borrower shall take such steps as such Lender shall reasonably request to assist such Lender to recover such Indemnified Taxes (it being understood, however, that the Borrower shall have no liability to such Lender in respect of such Indemnified Taxes).

Section 2.20 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, fees or reimbursement of LC Disbursements, or of amounts payable under Section 2.17, Section 2.18 or Section 2.19, or otherwise) prior to 12:00 noon, on the Business Day 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 the Payment Office, except payments to be made directly to the Issuing Bank or Swingline Lender as expressly provided herein and except that payments pursuant to Sections 2.17, Section 2.18 and Section 2.19 and Section 10.3 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 made 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 to pay fully all amounts of principal, unreimbursed LC Disbursements, 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 and unreimbursed LC Disbursements then due hereunder, ratably among the parties entitled thereto in accordance with the amounts of principal and unreimbursed LC Disbursements then due to such parties.

(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 Revolving Loans or participations in LC Disbursements or Swingline Loans that would result in such Lender receiving payment of a greater proportion of the aggregate amount of its Revolving Loans and participations in LC Disbursements and Swingline 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 Revolving Loans and participations in LC Disbursements and Swingline 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 Revolving Loans and participations in LC Disbursements and Swingline 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 or participations in LC Disbursements or Swingline 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 or the Issuing Bank hereunder that the Borrower will not make such payment, the Administrative Agent may assume that the Borrower has made such payment on such date in accordance herewith and may, in reliance upon such assumption, distribute to the Lenders or the Issuing Bank, as the case may be, the amount or amounts due. In such event, if the Borrower has not in fact made such payment, then each of the Lenders or the Issuing Bank, as the case may be, severally agrees to repay to the Administrative Agent forthwith on demand the amount so distributed to such Lender or Issuing Bank 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 2.5(b), Section 2.7(b), Section 2.20(d), 2.22(c) or (d), or 10.3(d), 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 2.21 Mitigation of Obligations. If any Lender requests compensation under Section 2.17, 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 2.19, 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 sole judgment of such Lender, such designation or assignment (i) would eliminate or reduce amounts payable under Section 2.17 or Section 2.19, 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 costs and expenses incurred by any Lender in connection with such designation or assignment.

Section 2.22 Letters of Credit.

(a) During the Availability Period, the Issuing Bank, in reliance upon the agreements of the other Lenders pursuant to Section 2.22(d), agrees to issue, at the request of the Borrower, Letters of Credit for the account of the Borrower on the terms

and conditions hereinafter set forth; provided, that (i) each Letter of Credit shall expire on the earlier of (A) the date one year after the date of issuance of such Letter of Credit (or in the case of any renewal or extension thereof, one year after such renewal or extension), and (B) the date that is five (5) Business Days prior to the Commitment Termination Date; (ii) each Letter of Credit shall be in a stated amount of at least $250,000; and (iii) the Borrower may not request any Letter of Credit, if, after giving effect to such issuance (A) the aggregate LC Exposure would exceed the LC Commitment, or (B) the aggregate LC Exposure, plus the aggregate outstanding Revolving Loans and Swingline Exposure of all Lenders, would exceed the Aggregate Revolving Commitments. Upon the issuance of each Letter of Credit each Lender shall be deemed to, and hereby irrevocably and unconditionally agrees to, purchase from the Issuing Bank without recourse a participation in such Letter of Credit equal to such Lender’s Pro Rata Share of the aggregate amount available to be drawn under such Letter of Credit. Each issuance of a Letter of Credit shall be deemed to utilize the Revolving Commitment of each Lender by an amount equal to the amount of such participation.

(b) To request the issuance of a Letter of Credit (or any amendment, renewal or extension of an outstanding Letter of Credit), the Borrower shall give the Issuing Bank and the Administrative Agent irrevocable written notice at least two (2) Business Days prior to the requested date of such issuance specifying the date (which shall be a Business Day) such Letter of Credit is to be issued (or amended, extended or renewed, as the case may be), the expiration date of such Letter of Credit, the amount of such Letter of Credit , the name and address of the beneficiary thereof and such other information as shall be necessary to prepare, amend, renew or extend such Letter of Credit. In addition to the satisfaction of the conditions in Article III, the issuance of such Letter of Credit (or any amendment which increases the amount of such Letter of Credit) will be subject to the further conditions that such Letter of Credit shall be in such form and contain such terms as the Issuing Bank shall approve and that the Borrower shall have executed and delivered any additional applications, agreements and instruments relating to such Letter of Credit as the Issuing Bank shall reasonably require; provided, that in the event of any conflict between such applications, agreements or instruments and this Agreement, the terms of this Agreement shall control.

(c) At least two (2) Business Days prior to the issuance of any Letter of Credit, the Issuing Bank will confirm with the Administrative Agent (by telephone or in writing) that the Administrative Agent has received such notice and if not, the Issuing Bank will provide the Administrative Agent with a copy thereof. Unless the Issuing Bank has received notice from the Administrative Agent on or before the Business Day immediately preceding the date the Issuing Bank is to issue the requested Letter of Credit directing the Issuing Bank not to issue the Letter of Credit because such issuance is not then permitted hereunder because of the limitations set forth in Section 2.22(a) or that one or more conditions specified in Article III are not then satisfied, then, subject to the terms and conditions hereof, the Issuing Bank shall, on the requested date, issue such Letter of Credit in accordance with the Issuing Bank’s usual and customary business practices.

(d) The Issuing Bank shall examine all documents purporting to represent a demand for payment under a Letter of Credit promptly following its receipt thereof. The Issuing Bank shall notify the Borrower and the Administrative Agent of such demand for payment and whether the Issuing Bank has made or will make a LC Disbursement thereunder; provided, that any failure to give or delay in giving such notice shall not relieve the Borrower of its obligation to reimburse the Issuing Bank and the Lenders with respect to such LC Disbursement. The Borrower shall be irrevocably and unconditionally obligated to reimburse the Issuing Bank for any LC Disbursements paid by the Issuing Bank in respect of such drawing, without presentment, demand or other formalities of any kind. Unless the Borrower shall have notified the Issuing Bank and the Administrative Agent prior to 11:00 a.m. on the Business Day immediately prior to the date on which such drawing is honored that the Borrower intends to reimburse the Issuing Bank for the amount of such drawing in funds other than from the proceeds of Revolving Loans, the Borrower shall be deemed to have timely given a Notice of Revolving Borrowing to the Administrative Agent requesting the Lenders to make a Revolving Base Rate Borrowing on the date on which such drawing is honored in an exact amount due to the Issuing Bank; provided, that for purposes solely of such Borrowing, the conditions precedents set forth in Section 3.2 hereof shall not be applicable. The Administrative Agent shall notify the Lenders of such Borrowing in accordance with Section 2.3, and each Lender shall make the proceeds of its Revolving Base Rate Loan included in such Borrowing available to the Administrative Agent for the account of the Issuing Bank in accordance with Section 2.7. The proceeds of such Borrowing shall be applied directly by the Administrative Agent to reimburse the Issuing Bank for such LC Disbursement.

(e) If for any reason a Revolving Base Rate Borrowing may not be (as determined in the sole discretion of the Administrative Agent), or is not, made in accordance with the foregoing provisions, then each Lender (other than the Issuing Bank) shall be obligated to fund the participation that such Lender purchased pursuant to subsection (a) in an amount equal to its Pro Rata Share of such LC Disbursement on and as of the date which such Base Rate Borrowing should have occurred. Each Lender’s obligation to fund its participation shall be absolute and unconditional and shall not be affected by any circumstance, including without limitation (i) any setoff, counterclaim, recoupment, defense or other right that such Lender or any other Person may have against the Issuing Bank or any other Person for any reason whatsoever, (ii) the existence of a Default or an Event of Default or the termination of the Aggregate Revolving Commitments, (iii) any adverse change in the condition (financial or otherwise) of the Borrower or any of its Subsidiaries, (iv) any breach of this Agreement by the Borrower or any other Lender, (v) any amendment, renewal or extension of any Letter of Credit, or (vi) any other circumstance, happening or event whatsoever, whether or not similar to any of the foregoing. On the date that such participation is required to be funded, each Lender shall promptly transfer, in immediately available funds, the amount of its participation to the Administrative Agent for the account of the Issuing Bank. Whenever, at any time after the Issuing Bank has received from any such Lender the funds for its participation in a LC Disbursement, the Issuing Bank (or the Administrative Agent on its behalf) receives any payment on account thereof, the Administrative Agent or the Issuing Bank, as the case may be, will distribute to such Lender its Pro Rata Share of such payment; provided, that if such payment is required to be returned for any reason to the

Borrower or to a trustee, receiver, liquidator, custodian or similar official in any bankruptcy proceeding, such Lender will return to the Administrative Agent or the Issuing Bank any portion thereof previously distributed by the Administrative Agent or the Issuing Bank to it.

(f) To the extent that any Lender shall fail to pay any amount required to be paid pursuant to paragraph (d) of this Section 2.22 on the due date therefor, such Lender shall pay interest to the Issuing Bank (through the Administrative Agent) on such amount from such due date to the date such payment is made at a rate per annum equal to the Federal Funds Rate; provided, that if such Lender shall fail to make such payment to the Issuing Bank within three (3) Business Days of such due date, then, retroactively to the due date, such Lender shall be obligated to pay interest on such amount at the Default Rate.

(g) If any Event of Default shall occur and be continuing, on the Business Day that the Borrower receives notice from the Administrative Agent or the Required Lenders demanding the deposit of cash collateral pursuant to this paragraph, the Borrower shall deposit in an account with the Administrative Agent, in the name of the Administrative Agent and for the benefit of the Lenders, an amount in cash equal to the LC Exposure as of such date plus any accrued and unpaid interest thereon; provided, that the obligation to deposit such cash collateral shall become effective immediately, and such deposit shall become immediately due and payable, with demand or notice of any kind, upon the occurrence of any Event of Default with respect to the Borrower described in clause (h) or (i) of Section 8.1. Such deposit shall be held by the Administrative Agent as collateral for the payment and performance of the obligations of the Borrower under this Agreement. The Administrative Agent shall have exclusive dominion and control, including the exclusive right of withdrawal, over such account. Other than any interest earned on the investment of such deposits, which investments shall be made at the option and sole discretion of the Administrative Agent and at the Borrower’s risk and expense, such deposits shall not bear interest. Interest and profits, if any, on such investments shall accumulate in such account. Moneys in such account shall applied by the Administrative Agent to reimburse the Issuing Bank for LC Disbursements for which it had not been reimbursed and to the extent so applied, shall be held for the satisfaction of the reimbursement obligations of the Borrower for the LC Exposure at such time or, if the maturity of the Loans has been accelerated, with the consent of the Required Lenders, be applied to satisfy other obligations of the Borrower under this Agreement. If the Borrower is required to provide an amount of cash collateral hereunder as a result of the occurrence of an Event of Default, such amount (to the extent not so applied as aforesaid) shall be returned to the Borrower within three (3) Business Days after all Events of Default have been cured or waived.

(h) Promptly following the end of each fiscal quarter, the Issuing Bank shall deliver (through the Administrative Agent) to each Lender and the Borrower a report describing the aggregate Letters of Credit outstanding at the end of such fiscal quarter. Upon the request of any Lender from time to time, the Issuing Bank shall deliver to such Lender any other information reasonably requested by such Lender with respect to each Letter of Credit then outstanding.

(i) The Borrower’s obligation to reimburse LC Disbursements hereunder shall be absolute, unconditional and irrevocable and shall be performed strictly in accordance with the terms of this Agreement under all circumstances whatsoever and irrespective of any of the following circumstances:

(i) Any lack of validity or enforceability of any Letter of Credit or this Agreement;

(ii) The existence of any claim, set-off, defense or other right which the Borrower or any Subsidiary or Affiliate of the Borrower may have at any time against a beneficiary or any transferee of any Letter of Credit (or any Persons or entities for whom any such beneficiary or transferee may be acting), any Lender (including the Issuing Bank) or any other Person, whether in connection with this Agreement or the Letter of Credit or any document related hereto or thereto or any unrelated transaction;

(iii) Any draft or other document presented under a Letter of Credit proving to be forged, fraudulent or invalid in any respect or any statement therein being untrue or inaccurate in any respect;

(iv) Payment by the Issuing Bank under a Letter of Credit against presentation of a draft or other document to the Issuing Bank that does not comply with the terms of such Letter of Credit;

(v) Any other event or circumstance whatsoever, whether or not similar to any of the foregoing, that might, but for the provisions of this Section, constitute a legal or equitable discharge of, or provide a right of setoff against, the Borrower’s obligations hereunder; or

(vi) The existence of a Default or an Event of Default.

Neither the Administrative Agent, the Issuing Bank, the Lenders nor any Related Party of any of the foregoing shall have any liability or responsibility by reason of or in connection with the issuance or transfer of any Letter of Credit or any payment or failure to make any payment thereunder (irrespective of any of the circumstances referred to above), or any error, omission, interruption, loss or delay in transmission or delivery of any draft, notice or other communication under or relating to any Letter of Credit (including any document required to make a drawing thereunder), any error in interpretation of technical terms or any consequence arising from causes beyond the control of the Issuing Bank; provided, that the foregoing shall not be construed to excuse the Issuing Bank from liability to the Borrower to the extent of any direct damages (as opposed to consequential damages, claims in respect of which are hereby waived by the Borrower to the extent permitted by applicable law) suffered by the Borrower that are caused by the Issuing Bank’s failure to exercise care when determining whether drafts or other documents presented under a Letter of Credit comply with the terms thereof. The parties hereto expressly agree, that in the absence of gross negligence or willful misconduct on the part of the Issuing Bank (as finally determined by a court of competent

jurisdiction), the Issuing Bank shall be deemed to have exercised care in each such determination. In furtherance of the foregoing and without limiting the generality thereof, the parties agree that, with respect to documents presented that appear on their face to be in substantial compliance with the terms of a Letter of Credit, the Issuing Bank may, in its sole discretion, either accept and make payment upon such documents without responsibility for further investigation, regardless of any notice or information to the contrary, or refuse to accept and make payment upon such documents if such documents are not in strict compliance with the terms of such Letter of Credit.

(j) Each Letter of Credit shall be subject to the Uniform Customs and Practices for Documentary Credits (1993 Revision), International Chamber of Commerce Publication No. 500, as the same may be amended from time to time, and, to the extent not inconsistent therewith, the governing law of this Agreement set forth in Section 10.5.

Section 2.23 Increase of Revolving Commitments; Additional Lenders.

(a) So long as no Default or Event of Default has occurred and is continuing, Borrower may, from time to time, upon prior notice to the Administrative Agent (which shall promptly notify each Lender following its receipt thereof), propose to increase the Aggregate Revolving Commitments in an amount that would not exceed $100,000,000 (the amount of any such increase, the “Additional Commitment Amount”). Each Lender shall have the right for a period of ten (10) Business Days following receipt of such notice to elect by written notice to the Borrower and the Administrative Agent to increase its Revolving Commitment by a principal amount equal to its Pro Rata Share of the Additional Commitment Amount. No Lender shall have any obligation to increase its Revolving Commitment and any decision by a Lender to increase its Revolving Commitment shall be made in its sole discretion independently from any other Lender. Any Lender which does not respond within such ten (10) Business Day period shall be deemed to have advised the Administrative Agent and the Borrower that it has elected not to increase its Revolving Commitment.

(b) If one or more Lenders shall elect not to increase its Revolving Commitment pursuant to subsection (a) of this Section (each a “Non-Consenting Bank”), the Administrative Agent shall, promptly after the end of such ten (10) Business Day period or promptly after the date the Administrative Agent shall have received all written responses from the Lenders, whichever shall occur first, notify all other Lenders (the “Consenting Banks”) of the amount of the Additional Commitment Amount that remains unsubscribed (the “Unsubscribed Amount”). Each such Consenting Bank shall have the right for a period of ten (10) Business Days following receipt of such notice to elect by written notice to the Borrower and the Administrative Agent to increase its Revolving Commitment by a principal amount up to the remaining Unsubscribed Amount. The sum of the increases in the Revolving Commitments of the Consenting Banks pursuant to subsections (a) and (b) of this Section shall not in the aggregate exceed the Additional Commitment Amount; provided, however, that if accepted by the Borrower, and subject to the right of any Consenting Bank to promptly revoke its prior election to increase its Revolving Commitment for all or a portion of the Unsubscribed Amount in such event, such increases in the Commitments of the Consenting Banks may exceed the

Unsubscribed Amount (but shall in no event cause the total Aggregate Revolving Commitments in effect to exceed $100,000,000). If the sum of the additional increases in the Revolving Commitments of the Consenting Banks pursuant to this subsection (b) exceeds the Unsubscribed Amount, or any greater amount accepted by the Borrower as provided in the immediately preceding sentence, then the additional increases in Revolving Commitments pursuant to this subsection (b) shall be reduced as determined by the Administrative Agent in its discretion, such that the amount of the Consenting Banks’ Commitments increased pursuant to this subsection (b) shall not exceed the Unsubscribed Amount or such greater amount, as applicable.

(c) If the Consenting Banks shall not increase their Revolving Commitments pursuant to subsection (a) and (b) of this Section, in an amount equal to the Additional Commitment Amount, then not later than twenty (20) Business Days following the expiration of the periods set forth in subsections (a) and (b) of this Section, the Borrower may designate in writing to the Administrative Agent other banks or financial institutions which at the time agree to become parties to this Agreement (each an “Additional Lenders”); provided, however, that any new bank or financial institution must be reasonably acceptable to the Administrative Agent. The sum of the increases in the Revolving Commitments of the Consenting Banks pursuant to subsections (a) and (b), plus the Commitments of the Additional Lenders pursuant to this subsection (c), shall not in the aggregate exceed the Additional Commitment Amount.

(d) An increase in the aggregate amount of the Revolving Commitments pursuant to this Section shall become effective upon the receipt by the Administrative Agent of (i) an agreement in form and substance satisfactory to the Administrative Agent signed by the Borrower, by each Additional Lender and by each Consenting Bank (without the consent or approval of any Non-Consenting Bank), setting forth the new Revolving Commitments of such Lenders and setting forth the agreement of each Additional Lender to become a party to this Agreement and to be bound by all the terms and provisions hereof, together with such evidence of appropriate authorization on the part of the Borrower with respect to the increase in the Revolving Commitments, and (ii) such opinions of counsel for the Borrower with respect to the increase in the Revolving Commitments as the Administrative Agent may reasonably request.

(e) Upon the acceptance of any such agreements and documentation by the Administrative Agent, the total Revolving Commitments shall automatically be increased by the amount of the Revolving Commitments added through such agreements and this Agreement shall automatically be deemed amended to reflect the Revolving Commitments of all Lenders after giving effect to such additional Revolving Commitments and Additional Lenders, as applicable.

(f) Upon any increase in the aggregate amount of the Revolving Commitments pursuant to this Section that is not shared by all Lenders in accordance with their Pro Rata Shares immediately prior to such increases, and effective upon such increase, the amount of the participations held by the Revolving Lenders (including any Additional Lenders) in the Revolving Credit Exposure shall be adjusted such that, after giving effect to such adjustments, each Lender (including each Additional Lender) shall

hold participations in each such Revolving Credit Exposure in the proportion of its respective Revolving Commitment bears to the Aggregate Revolving Commitments after giving effect to such increase.

Section 2.24 Replacement of Lenders. (a) If any Lender becomes a Defaulting Lender, or (b) upon the occurrence of an event giving rise to the operation of Section 2.16, Section 2.17 or Section 2.19 with respect to any Lender which results in such Lender charging to the Borrower increased costs or such other amounts due thereunder, the Borrower shall have the right, if no Default or Event of Default then exists, and if no Default or Event of Default will exist immediately after giving effect to such replacement), to replace such Lender (the “Replaced Lender”) with one or more other Eligible Transferees, none of whom shall constitute a Defaulting Lender at the time of such replacement (collectively, the “Replacement Lender”) and each of whom shall be required to be reasonably acceptable to the Administrative Agent; provided, that (i) at the time of any replacement pursuant to this Section, the Replacement Lender shall enter into one or more Assignment and Acceptance pursuant to Section 10.4 (and with all fees payable pursuant to said Section to be paid by the Replacement Lender) pursuant to which the Replacement Lender shall acquire all of the Commitments and outstanding Loans of, and participations in Letters of Credit by, the Replaced Lender and, in connection therewith, shall pay to (x) the Replaced Lender in respect thereof an amount equal to the sum of (I) an amount equal to the principal of, and all accrued interest on, all outstanding Loans of the Replaced Lender, (II) an amount equal to all LC Disbursements that have been funded by (and not reimbursed to) such Replaced Lender, together with all then unpaid interest with respect thereto at such time, and (III) an amount equal to all accrued, but theretofore unpaid, fees owing to the Replaced Lender, (y) the Issuing Bank an amount equal to such Replaced Lender’s Pro Rata Share of any LC Disbursements (which at such time remains unpaid) to the extent such amount was not theretofore funded by such Replaced Lender to the Issuing Bank, and (z) the Swingline Lender an amount equal to such Replaced Lender’s Pro Rata Share of any Swingline Loan to the extent such amount was not theretofore funded by such Replaced Lender to the Swingline Lender, and (ii) all obligations of the Borrower due and owing to the Replaced Lender at such time shall be paid in full to such Replaced Lender concurrently with such replacement. Upon the execution of the respective Assignment and Acceptance, the payment of amounts referred to in clauses (i) and (ii) above and delivery to the Replacement Lender of the appropriate Note or Notes executed by the Borrower, the Replacement Lender shall become a Lender hereunder and the Replaced Lender shall cease to constitute a Lender hereunder, except with respect to indemnification provisions under this Agreement, which shall survive as to such Replaced Lender.

ARTICLE III

CONDITIONS PRECEDENT TO LOANS AND LETTERS OF CREDIT

Section 3.1 Conditions To Effectiveness. The obligations of the Lenders (including the Swingline Lender) to make Loans and the obligation of the Issuing Bank to issue any Letter of Credit hereunder shall not become effective until the date on which each of the following conditions is satisfied (or waived in accordance with Section 10.2).

(a) The Administrative Agent shall have received all fees and other amounts due and payable on or prior to the Closing Date, including reimbursement or payment of all out-of-pocket expenses (including reasonable fees, charges and disbursements of counsel to the Administrative Agent) required to be reimbursed or paid by the Borrower hereunder, under any other Loan Document and under any agreement with the Administrative Agent or SunTrust Capital Markets, Inc., as Lead Arranger.

(b) The Administrative Agent (or its counsel) shall have received the following:

(i) a counterpart of this Agreement signed by or on behalf of each party thereto or 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;

(ii) if requested by any Lender, a duly executed Revolving Credit Note payable to such Lender;

(iii) a duly executed Parent Guarantee Agreement, Holdings Guarantee Agreement, and Subsidiary Guarantee Agreement;

(iv) duly executed Security Documents, together with appropriate stock certificates;

(v) a certificate of the Secretary or Assistant Secretary of each Loan Party, attaching and certifying copies of its bylaws and of the resolutions of its boards of directors, authorizing the execution, delivery and performance of the Loan Documents to which it is a party and certifying the name, title and true signature of each officer of such Loan Party executing the Loan Documents to which it is a party;

(vi) certified copies of the articles of incorporation or other charter documents of Borrower, Parent, and Holdings, together with certificates of good standing or existence, as may be available from the Secretary of State of the jurisdiction of incorporation of each and each other jurisdiction where the Borrower, Parent, and Holdings are required to be qualified to do business as a foreign corporation;

(vii) a favorable written opinion of counsel to the Loan Parties, addressed to the Administrative Agent and each of the Lenders, and covering such matters relating to the Loan Parties, the Loan Documents and the transactions contemplated therein as the Administrative Agent or the Required Lenders shall reasonably request; provided that opinions relating to all Loan Parties with the exception of Parent, Holdings, and Borrower shall be delivered pursuant to the requirements of Section 3.3(b).

(viii) a certificate, dated the Closing Date and signed by a Responsible Officer, confirming compliance with the conditions set forth in paragraphs (a), (b) and (c) of Section 3.2;

(ix) duly executed Notices of Borrowing, if applicable;

(x) a duly executed funds disbursement agreement;

(xi) certified copies of all consents, approvals, authorizations, registrations, or filings required to be made or obtained by the Borrower and all Guarantors in connection with the Loan Documents and any transaction being financed with the proceeds of the Revolving Credit Commitment as of the Closing Date;

(xii) if not already in the possession of the Administrative Agent, the consolidated financial statements of the Parent for the fiscal year ended 2004, including balance sheets, income and cash flow statements audited by independent public accountants of recognized national standing and prepared in conformity with GAAP, and the consolidated financial statements of the Parent for the fiscal quarter and nine (9) month period ending September 30, 2005;

(xiii) copies of certificates of insurance issued on behalf of insurers of the Borrower and all Guarantors, describing in reasonable detail the types and amounts of insurance (property and liability) maintained by the Borrower and all Guarantors, naming Administrative Agent as additional insured;

(xiv) such other financial information as reasonably required by the Administrative Agent; and

(xv) all fees and expenses required hereunder or under any letter agreement executed by Borrower in connection with the Loan Documents.

Section 3.2 Each Credit Event. The obligation of each Lender to make a Loan on the occasion of any Borrowing and of the Issuing Bank to issue, amend, renew or extend any Letter of Credit is subject to the satisfaction of the following conditions:

(a) at the time of and immediately after giving effect to such Borrowing or the issuance, amendment, renewal or extension of such Letter of Credit, as applicable, no Default or Event of Default shall exist; and

(b) all representations and warranties of each Loan Party set forth in the Loan Documents shall be true and correct in all material respects on and as of the date of such Borrowing or the date of issuance, amendment, extension or renewal of such Letter of Credit, in each case before and after giving effect thereto;

(c) since the date of the most recent financial statements of the Parent and the Borrower described in Section 5.1(a) and (b), there shall have been no change which has had or could reasonably be expected to have a Material Adverse Effect; and

(d) the Administrative Agent shall have received such other documents, certificates or information as the Administrative Agent or the Required Lenders may reasonably request, all in form and substance reasonably satisfactory to the Administrative Agent or the Required Lenders.

Each Borrowing and each issuance, amendment, extension or renewal of any Letter of Credit shall be deemed to constitute a representation and warranty by the Borrower on the date thereof as to the matters specified in paragraphs (a), (b) and (c) of this Section 3.2.

Section 3.3 Delivery of Certain Additional Documents. Within forty-five (45) days after the Closing Date, the Borrower shall deliver to the Lender the following:

(a) certified copies of the articles of incorporation or other charter documents of each Loan Party, other than Borrower, Parent, and Holdings, together with certificates of good standing or existence, as may be available from the Secretary of State of the jurisdiction of incorporation of such Loan Party and each other jurisdiction where such Loan Party is required to be qualified to do business as a foreign corporation; and

(b) a supplemental written opinion of counsel to the Loan Parties opining as to the due incorporation of all Loan Parties (other than those Loan Parties referenced in Section 3.1(b)(vii) hereof.

Section 3.4 Special Conditions to Funding Related to the Acquisition of Surgis, Inc. Notwithstanding any provision contained herein to the contrary, the Borrower shall not be entitled to receive Advances and the Lenders shall not be obligated to fund Advances, the proceeds of which are used directly or indirectly, to consummate the acquisition by Parent of the Capital Stock of Surgis, Inc. unless each of the following conditions are satisfied:

(a) in no event shall such Advances exceed $200,000,000 in the aggregate;

(b) the Borrower has provided to Agent an opinion of counsel, in a form reasonably satisfactory to Agent and its legal counsel that the acquisition of Surgis, Inc. has been completed in compliance with: (i) the terms and provisions of that certain Agreement and Plan of Merger by and among Parent, Peak ASC Acquisition Corp., and Surgis, Inc. dated January 27, 2006 (the “Merger Agreement”); (ii) that the consent and approval, to the extent required by applicable law, has been obtained from any required Governmental Authority; and (iii) that the acquisition of Surgis, Inc. has been completed in accordance with applicable law;

(c) the Borrower has provided to the Agent a certificate in a form approved by Agent confirming: (i) that no event of Termination and no breach or default by any party has occurred under the Merger Agreement; (ii) that, to the knowledge of Borrower, all of the representations and warranties contained in Article III of the Merger Agreement as of the date of the certificate are true and correct; (iii) that no “Company Material Adverse Effect” (as defined in the Merger Agreement) has occurred; (iv) that the acquisition of Surgis, Inc. has been accomplished in accordance with the terms and provisions of the Merger Agreement; (v) a pro forma compliance certificate verifying the Borrower’s

compliance with the financial covenants set forth herein; and (vi) that subsequent to, and after giving effect thereto, no Default or Event of Default exists; and

(d) the Borrower has provided to the Agent copies of all financial statements, written disclosures, and certificates delivered to Parent pursuant to the Merger Agreement.

Section 3.5 Delivery of Documents. All of the Loan Documents, certificates, legal opinions and other documents and papers referred to in this Article III, unless otherwise specified, shall be delivered to the Administrative Agent for the account of each of the Lenders and, except for the Notes, in sufficient counterparts or copies for each of the Lenders and shall be in form and substance satisfactory in all respects to the Administrative Agent.

ARTICLE IV

REPRESENTATIONS AND WARRANTIES

The Borrower represents and warrants to the Administrative Agent and each Lender as follows:

Section 4.1 Existence; Power. Each of the Borrower, the Loan Parties, and the Borrower’s Subsidiaries (i) is duly organized, validly existing and in good standing as a corporation under the laws of the jurisdiction of its organization, (ii) has all requisite power and authority to carry on its business as now conducted, and (iii) is duly qualified to do business, and is in good standing, in each jurisdiction where such qualification is required, except where a failure to be so qualified could not reasonably be expected to result in a Material Adverse Effect.

Section 4.2 Organizational Power; Authorization. The execution, delivery and performance by each Loan Party of the Loan Documents to which it is a party are within such Loan Party’s organizational powers and have been duly authorized by all necessary organizational action. This Agreement has been duly executed and delivered by the Borrower, and constitutes, and each other Loan Document to which any Loan Party is a party, when executed and delivered by such Loan Party and the other parties thereto, will constitute, valid and binding obligations of the Borrower or such Loan Party (as the case may be), enforceable against it in accordance with their respective terms.

Section 4.3 Governmental Approvals; No Conflicts. The execution, delivery and performance by the Borrower of this Agreement, and by each Loan Party of the other Loan Documents to which it is a party (a) do not require any consent or approval of, registration or filing with, or any action by, any Governmental Authority, except those as have been obtained or made and are in full force and effect or where the failure to do so, individually or in the aggregate, could not reasonably be expected to have a Material Adverse Effect, (b) will not violate any applicable law or regulation or the charter, by-laws or other organizational documents of any Loan Party or to the best of Borrower’s knowledge, will not violate any applicable law or regulation or the charter, bylaws or other organizational documents of any of Borrower’s Subsidiaries or any order of any Governmental Authority, (c) will not violate or result in a default under any indenture, material agreement or other material instrument binding

on any Loan Party or any of its assets or give rise to a right thereunder to require any payment to be made by any Loan Party and to the best of Borrower’s knowledge, will not violate or result in a default under any indenture, material agreement, or other material instrument binding on any of the Borrower’s Subsidiaries or any assets of such Subsidiaries or give rise to a right thereunder to require any payment to be made by any of Borrower’s Subsidiaries, and (d) will not result in the creation or imposition of any Lien on any asset of the Borrower or any of its Subsidiaries or any Loan Party, except Liens created under the Loan Documents.

Section 4.4 Financial Statements. The Borrower has furnished to each Lender (a) the audited consolidated balance sheet of the Parent and its Subsidiaries as of December 31, 2004 and the related consolidated statements of income, shareholders’ equity and cash flows for the fiscal year then ended prepared by KPMG, LLP, and (b) the unaudited consolidated balance sheet of the Parent and its Subsidiaries as at the end of the September 30, 2005, and the related unaudited consolidated statements of income and cash flows for the fiscal quarter and year-to-date period then ending, certified by a Responsible Officer. Such financial statements fairly present the consolidated financial condition of the Parent and its Subsidiaries as of such dates and the consolidated results of operations for such periods in conformity with GAAP consistently applied, subject to year end audit adjustments and the absence of footnotes in the case of the statements referred to in clause (b). Since December 31, 2004, there have been no changes with respect to the Parent and its Subsidiaries which have had or could reasonably be expected to have, singly or in the aggregate, a Material Adverse Effect.

Section 4.5 Litigation and Environmental Matters.

(a) No litigation, investigation or proceeding of or before any arbitrators or Governmental Authorities is pending against or, to the knowledge of the Borrower, threatened against or affecting the Borrower or any of its Subsidiaries or any Loan Party (i) as to which there is a reasonable possibility of an adverse determination that could reasonably be expected to have, either individually or in the aggregate, a Material Adverse Effect, or (ii) which in any manner draws into question the validity or enforceability of this Agreement or any other Loan Document.

(b) Except for the matters set forth on Schedule 4.5(b), neither the Borrower nor to the best of Borrower’s knowledge, any of its Subsidiaries nor any Loan Party (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.

Section 4.6 Compliance with Laws and Agreements. The Borrower, each Loan Party, and to the best of Borrower’s knowledge, each Subsidiary of Borrower is in compliance with (a) all applicable laws, rules, regulations and orders of any Governmental Authority, and (b) all indentures, agreements or other instruments binding upon it or its properties, except where non-compliance, either singly or in the aggregate, could not reasonably be expected to result in a Material Adverse Effect.

Section 4.7 Investment Company Act, Etc. Neither the Borrower nor any Loan Party nor, to the best of Borrower’s knowledge, any Subsidiary is (a) an “investment company”, as defined in, or subject to regulation under, the Investment Company Act of 1940, as amended, (b) a “holding company” as defined in, or subject to regulation under, the Public Utility Holding Company Act of 1935, as amended, or (c) otherwise subject to any other regulatory scheme limiting its ability to incur debt.

Section 4.8 Taxes. The Borrower and each Loan Party and to the best of Borrower’s knowledge, each Subsidiary have timely filed or caused to be filed all Federal income tax returns and all other material tax returns that are required to be filed by them, and have paid all taxes shown to be due and payable on such returns or on any assessments made against it or its property and all other taxes, fees or other charges imposed on it or any of its property by any Governmental Authority, except (a) to the extent the failure to do so would not have a Material Adverse Effect, or (b) where the same are currently being contested in good faith by appropriate proceedings and for which the Borrower or such Subsidiary or such other Loan Party, as the case may be, has set aside on its books adequate reserves.

Section 4.9 Margin Regulations. None of the proceeds of any of the Loans or Letters of Credit will be used for “purchasing” or “carrying” any “margin stock” within the respective meanings of each of such terms under Regulation U as now and from time to time hereafter in effect (except in a manner that is permitted by Regulation U) or for any purpose that violates the provisions of Regulation T, U, or X promulgated by the Board of Governors of the Federal Reserve System.

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 Statement of Financial Accounting Standards No. 87) did not, as of the date of the most recent financial statements reflecting such amounts, exceed by more than $5,000,000 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 Statement of Financial Accounting Standards No. 87) did not, as of the date of the most recent financial statements reflecting such amounts, exceed by more than $5,000,000 the fair market value of the assets of all such underfunded Plans.

Section 4.11 Ownership of Property.

(a) Each of the Borrower, each Loan Party, and, to the best of Borrower’s knowledge, each Subsidiary has good title to, or valid leasehold interests in, all of its real and personal property material to the operation of its business.

(b) Each of the Borrower, each Loan Party, and, to the best of Borrower’s knowledge, each Subsidiary owns, or is licensed, or otherwise has the right, to use, all patents, trademarks, service marks, tradenames, copyrights and other intellectual property material to its business, and the use thereof by the Borrower and its Subsidiaries does not

infringe on the rights of any other Person, except for any such infringements that, individually or in the aggregate, would not have a Material Adverse Effect.

Section 4.12 Disclosure. The Borrower has disclosed to the Lenders all agreements, instruments, and corporate or other restrictions to which the Borrower or any Loan Party, or, to the best of Borrower’s knowledge, each Subsidiary is subject, and all other matters known to any of them, that, individually or in the aggregate, could reasonably be expected to result in a Material Adverse Effect. Neither the Information Memorandum nor any of the reports (including without limitation all reports that any Loan Party is required to file with the Securities and Exchange Commission), financial statements, certificates or other information (except forward-looking information) furnished by or on behalf of the Borrower to the Administrative Agent or to any Lender in connection with the negotiation or syndication of this Agreement or any other Loan Document or delivered hereunder or thereunder (as modified or supplemented by any other information so furnished) contains any material misstatement of fact or omits to state any material fact necessary to make the statements therein, taken as a whole, in light of the circumstances under which they were made, not misleading;

Section 4.13 Labor Relations. There are no strikes, lockouts or other material labor disputes or grievances against the Borrower or any Loan Party, or, to the best of Borrower’s knowledge, each Subsidiary, or, to the Borrower’s knowledge, threatened against or affecting the Borrower or any of its Subsidiaries or any Loan Party, and no significant unfair labor practice, charges or grievances are pending against the Borrower or any of its Subsidiaries or any Loan Party, or to the Borrower’s knowledge, threatened against any of them before any Governmental Authority. All payments due from the Borrower or any of its Subsidiaries or any Loan Party pursuant to the provisions of any collective bargaining agreement have been paid or accrued as a liability on the books of the Borrower or any Loan Party, or, to the best of Borrower’s knowledge, each Subsidiary except where the failure to do so could not reasonably be expected to have a Material Adverse Effect.

Section 4.14 Subsidiaries. Schedule 4.14 sets forth the name of, the ownership interest of the Borrower in, the jurisdiction of incorporation of, and the type of, each Subsidiary and identifies each Subsidiary that is a Subsidiary Loan Party, in each case as of the Closing Date.

Section 4.15 Foreign Assets Control Regulations, Etc. Neither the making of any Loan nor the use of the proceeds thereof will violate (a) the Trading with the Enemy Act, as amended, or any of the foreign assets control regulations of the United States Treasury Department (31 CFR, Subtitle B, Chapter V, as amended) or any enabling legislation or executive order relating thereto, (b) the Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001 (the “Patriot Act”) or (c) Executive Order No. 13,224, 66 Fed. Reg. 49,079 (2001), issued by the President of the United States (Executive Order Blocking Property and Prohibiting Transactions with Persons Who Commit, Threaten to Commit or Support Terrorism). Without limiting the foregoing, neither Borrower nor any of its Subsidiaries is or will become a “blocked person” as described in Section 1 of such Executive Order or engages or will engage in any dealings or transactions with, or is otherwise associated with, any such blocked person.

Section 4.16 Solvency. The Borrower and its consolidated Subsidiaries are now solvent (with the fair market value of the Borrower’s consolidated assets exceeding its consolidated Total Debt) and shall remain solvent so long as any Lender has a Commitment hereunder or the principal of or interest on or any Loan remains unpaid or any fee or any LC Disbursement remains unpaid or any Letter of Credit remains outstanding.

Section 4.17 Senior Debt. Under the terms of all existing Permitted Subordinated Debt, the Obligations constitute senior debt for the purposes set forth in the documents evidencing such Permitted Subordinated Debt.

ARTICLE V

AFFIRMATIVE COVENANTS

The Borrower covenants and agrees that so long as any Lender has a Commitment hereunder or the principal of and interest on any Loan or any fee or any LC Disbursement remains unpaid or any Letter of Credit remains outstanding:

Section 5.1 Financial Statements and Other Information. The Borrower will deliver to the Administrative Agent and each Lender:

(a) as soon as available and in any event within ninety (90) days after the end of each fiscal year of Parent, a copy of the annual unqualified audited report for such fiscal year for the Parent and its Subsidiaries, containing a consolidated balance sheet of the Parent and its Subsidiaries as of the end of such fiscal year and the related consolidated statements of income, stockholders’ equity and cash flows (together with all footnotes thereto) of the Parent and its Subsidiaries for such fiscal year, setting forth in each case in comparative form the figures for the previous fiscal year, all in reasonable detail and reported on by KPMG, LLP or other independent public accountants of nationally recognized standing (without a “going concern” or like qualification, exception or explanation and without any qualification or exception as to scope of such audit) to the effect that such financial statements present fairly in all material respects the financial condition and the results of operations of the Parent and its Subsidiaries for such fiscal year on a consolidated basis in accordance with GAAP and that the examination by such accountants in connection with such consolidated financial statements has been made in accordance with generally accepted auditing standards;

(b) concurrently with the delivery of the financial statements referred to in clause (a) above, the consolidated balance sheet of the Borrower and its consolidated Subsidiaries as of the end of such fiscal year and the related consolidated statements of income, stockholders’ equity and cash flows of the Borrower and its consolidated Subsidiaries for such fiscal year, setting forth in each case in comparative form the figures for the previous fiscal year;

(c) as soon as available and in any event within forty-five (45) days after the end of each of the first three fiscal quarters of each fiscal year of the Parent and the Borrower, an unaudited consolidated balance sheet of the Parent and its consolidated

subsidiaries and an unaudited consolidated balance sheet of Borrower and its consolidated Subsidiaries as of the end of such fiscal quarter and the related unaudited consolidated statements of income and cash flows of the Parent and its consolidated subsidiaries and the Borrower and its consolidated Subsidiaries, as applicable, for such fiscal quarter and the then elapsed portion of such fiscal year, setting forth in each case in comparative form the figures for the corresponding quarter and the corresponding portion of the previous fiscal year, all certified by the chief financial officer or treasurer of the Parent and/or Borrower, as applicable, as presenting fairly in all material respects the financial condition and results of operations of the Parent and its consolidated subsidiaries and the Borrower and its consolidated Subsidiaries, as applicable, on a consolidated basis in accordance with GAAP, subject to normal year-end audit adjustments and the absence of footnotes;

(d) concurrently with the delivery of the financial statements referred to in clauses (a), (b), and (c) above, a certificate of a Responsible Officer, (i) certifying as to statements consistent with the applicable requirements of the Securities and Exchange Commission, (ii) certifying as to whether there exists a Default or Event of Default on the date of such certificate, and if a Default or an Event of Default then exists, specifying the details thereof and the action which the Parent or Borrower has taken or proposes to take with respect thereto, (iii) setting forth in reasonable detail calculations demonstrating Borrower’s compliance with Article VI, (iv) stating whether any change in GAAP or the application thereof has occurred since the date of the Parent’s audited financial statements referred to in Section 4.4 and, if any change has occurred, specifying the effect of such change on the financial statements accompanying such certificate; and (v) attaching a certified copy of the balance sheet, income statement, and statement of cash flows for the Parent and its Subsidiaries and the Borrower and its Subsidiaries on a consolidated basis for such time period;

(e) concurrently with the delivery of the financial statements referred to in clause (a) above, a certificate of the accounting firm that reported on such financial statements stating whether they obtained any knowledge during the course of their examination of such financial statements of any Default or Event of Default (which certificate may be limited to the extent required by accounting rules or guidelines);

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

(g) promptly following any request therefor, such other information regarding the results of operations, business affairs and financial condition of the Borrower or any Subsidiary as the Administrative Agent or any Lender may reasonably request;

(h) as soon as available and in any event within forty-five (45) days after the end of each fiscal quarter, copies of the quarterly facility reports (detailing EBITDA and

debt for each facility) prepared by the Borrower for the most recently concluded fiscal quarter;

(i) promptly upon receipt thereof, copies of all “management letters” submitted to any Loan Party by the independent public accountants referred to in subpart (a) in connection with each audit made by such accountants; and

(j) promptly following the mailing or receipt of any notice or report delivered under the terms of any Permitted Subordinated Debt, copies of such notice or report.

Section 5.2 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 or Event of Default;

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

(c) the occurrence of any event or any other development by which the Borrower or any of its consolidated Subsidiaries or any Loan Party (i) fails 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) becomes subject to any Environmental Liability, (iii) receives notice of any claim with respect to any Environmental Liability, or (iv) becomes aware of any basis for any Environmental Liability and in each of the preceding clauses, which individually or in the aggregate, could reasonably be expected to result in a Material Adverse Effect;

(d) 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 its Subsidiaries or any Loan Party in an aggregate amount exceeding $5,000,000; and

(e) 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 written statement of a Responsible Officer 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 5.3 Existence; Conduct of Business. The Borrower will, and will cause each of its consolidated Subsidiaries and each Loan Party to, do or cause to be done all things necessary to preserve, renew and maintain in full force and effect its legal existence and its respective rights, licenses, permits, privileges, franchises, patents, copyrights, trademarks and trade names material to the conduct of its business and will continue to engage in the same business as presently conducted or such other businesses that are reasonably related thereto;

provided, that nothing in this Section shall prohibit any merger, consolidation, conversion, liquidation or dissolution permitted under Section 7.3.

Section 5.4 Compliance with Laws, Etc. The Borrower will, and will cause each of its consolidated Subsidiaries and each Loan Party to, comply with all laws, rules, regulations and requirements of any Governmental Authority applicable to its properties, except where the failure to do so, either individually or in the aggregate, could not reasonably be expected to result in a Material Adverse Effect.

Section 5.5 Payment of Obligations. The Borrower will, and will cause each of its consolidated Subsidiaries and each Loan Party to, pay and discharge at or before maturity, all of its obligations and liabilities (including without limitation all tax liabilities and claims that could result in a statutory Lien) 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 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 5.6 Books and Records. The Borrower will, and will cause each of its Subsidiaries and each Loan Party to, keep proper books of record and account in which full, true and correct entries shall be made of all dealings and transactions in relation to its business and activities to the extent necessary to prepare the consolidated financial statements of Borrower in conformity with GAAP.

Section 5.7 Visitation, Inspection, Etc. The Borrower will, and will cause each of its Subsidiaries and each Loan Party to, permit any representative of the Administrative Agent or any Lender, to visit and inspect its properties, to examine its books and records and to make copies and take extracts therefrom, and to discuss its affairs, finances and accounts with any of its officers and with its independent certified public accountants, all at such reasonable times and as often as the Administrative Agent or any Lender may reasonably request after reasonable prior notice to the Borrower.

Section 5.8 Maintenance of Properties; Insurance. The Borrower will, and will cause each of its consolidated Subsidiaries and each Loan Party to, (a) keep and maintain all property material to the conduct of its business in good working order and condition, ordinary wear and tear except where the failure to do so, either individually or in the aggregate, could reasonably be expected to result in a Material Adverse Effect, and (b) maintain with financially sound and reputable insurance companies, insurance with respect to its respective properties and business, against loss or damage of the kinds customarily insured against by companies in the same or similar businesses operating in the same or similar locations.

Section 5.9 Use of Proceeds and Letters of Credit. The Borrower will use the proceeds of the Loans to finance working capital needs, Permitted Acquisitions, debt repayment, and for other general corporate purposes of the Borrower and its Subsidiaries. No part of the proceeds of any Loan will be used, whether directly or indirectly, for any purpose that would violate any rule or regulation of the Board of Governors of the Federal Reserve System, including Regulations T, U or X. All Letters of Credit will be used for general corporate purposes.

Section 5.10 Additional Subsidiaries. If any additional wholly-owned Subsidiary of the Borrower or any Guarantor is acquired or formed after the Closing Date, the Borrower will, within ten (10) Business Days after such Subsidiary is acquired or formed, notify the Administrative Agent and the Lenders thereof and will cause (a) such Subsidiary to become a Subsidiary Loan Party by executing agreements in the form of Annex I to Exhibit C and Annex I to Exhibit D in form and substance satisfactory to the Administrative Agent and the Required Lenders, (b) such Subsidiary to deliver simultaneously therewith similar documents applicable to such Subsidiary required under Section 3.1 as reasonably requested by the Administrative Agent, and (c) the Capital Stock of such Subsidiary (if such Subsidiary is wholly-owned) to be pledged to the Administrative Agent acting on behalf of the Lenders pursuant to amendments to the Security Documents.

Section 5.11 Senior Debt. In connection with the issuance by the Borrower or any Loan Party of Permitted Subordinated Debt, the Borrower or such Loan Party, as applicable, shall take all steps to cause the Obligations to be defined as, and constitute contractually, senior debt under the terms of any documentation evidencing Permitted Subordinated Debt.

ARTICLE VI

FINANCIAL COVENANTS

The Borrower covenants and agrees that so long as any Lender has a Commitment hereunder or the principal of or interest on or any Loan remains unpaid or any fee or any LC Disbursement remains unpaid or any Letter of Credit remains outstanding:

Section 6.1 Ratio of Total Net Debt to EBITDA. The Borrower and the Loan Parties shall maintain at all times on a consolidated basis a ratio of Total Net Debt to EBITDA of no greater than 3.25 to 1.00 (“Required Threshold”); provided, however, if the Borrower and/or its consolidated Subsidiaries consummate Permitted Acquisitions for an aggregate total consideration of $50,000,000 or more, then in such event the Required Threshold shall be increased to 3.50 to 1.00 for the first two full fiscal reporting periods immediately following the consummation of such Permitted Acquisitions and thereafter, the Required Threshold shall be reduced to 3.25 to 1.00. Compliance with this covenant shall be calculated at the end of each fiscal quarter and measured on a rolling four quarter basis.

Section 6.2 Interest Coverage Ratio. The Borrower and the Loan Parties shall maintain on a consolidated basis a ratio of EBITDAR to the sum of (a) Interest Expense, plus (b) Lease Expense of no less than 2.50 to 1.00, as calculated on the last day of each fiscal quarter and as measured on a rolling four quarter basis.

ARTICLE VII

NEGATIVE COVENANTS

The Borrower covenants and agrees that so long as any Lender has a Commitment hereunder or the principal of or interest on any Loan remains unpaid or any fee or any LC Disbursement remains unpaid or any Letter of Credit remains outstanding:

Section 7.1 Indebtedness. The Borrower will not, and will not permit any of its consolidated Subsidiaries or any Loan Party to, create, incur, assume or suffer to exist any Indebtedness, except:

(a) Indebtedness created pursuant to the Loan Documents;

(b) Indebtedness existing on the date hereof and set forth on Schedule 7.1 and extensions, renewals and replacements of any such Indebtedness that do not increase the outstanding principal amount thereof (immediately prior to giving effect to such extension, renewal or replacement) or shorten the maturity or the weighted average life thereof;

(c) unsecured Indebtedness (i) incurred in the ordinary course of business of Borrower and its consolidated Subsidiaries (including open accounts extended by suppliers on normal trade terms in connection with purchases of goods and services which are not overdue for a period of more than ninety (90) days or, if overdue for more than ninety (90) days, as to which a dispute exists and adequate reserves in conformity with GAAP have been established on the books of the Borrower or such consolidated Subsidiary), and (ii) in respect of performance, surety or appeal bonds provided in the ordinary course of business, but excluding (in each case), Indebtedness incurred through the borrowing of money or Contingent Liabilities in respect thereof;

(d) Indebtedness of any Person which becomes a Subsidiary of the Borrower after the date of this Agreement; provided, that (i) such Indebtedness exists at the time that such Person becomes a Subsidiary and is not created in contemplation of or in connection with such Person becoming a Subsidiary, and (ii) such Indebtedness satisfies the requirements of Section 7.1(g) below;

(e) Permitted Subordinated Debt;

(f) Indebtedness in respect of obligations under Hedging Agreements permitted by Section 7.10;

(g) Other Indebtedness (as defined in Section 1.1 hereof) of the Borrower and its consolidated Subsidiaries, including any Indebtedness evidenced by a Guarantee executed by the Borrower and/or its consolidated Subsidiaries related to Indebtedness of a Non-Consolidated Entity; but only to the extent that on the date of the incurrence of such Other Indebtedness and after giving effect thereto, the ratio of such Other Indebtedness to EBITDA (plus amounts attributable to Minority Interests), calculated at the end of each fiscal quarter and measured on a rolling four quarter basis, shall not exceed 1.25 to 1.00; and

(h) Indebtedness incurred by either the Borrower or Holdings up to $150,000,000 for the sole purpose of refinancing the Holdings Notes on terms acceptable to and approved by the Administrative Agent; provided that if the Holdings Notes are refinanced with senior debt, then after giving affect thereto, the ratio of pro forma senior debt to EBITDA must be less than 2.85 to 1.00 as calculated in accordance with GAAP.

Section 7.2 Negative Pledge. The Borrower will not, and will not permit any of its consolidated Subsidiaries or any Loan Party to, create, incur, assume or suffer to exist any Lien on any of its assets or property now owned or hereafter acquired or, except:

(a) Liens created in favor of the Administrative Agent for the benefit of the Lenders pursuant to the Loan Documents;

(b) Permitted Encumbrances;

(c) any Liens on any property or asset of the Borrower or any Subsidiary existing on the Closing Date set forth on Schedule 7.2; provided, that such Lien shall not apply to any other property or asset of the Borrower or any Subsidiary;

(d) Liens securing Indebtedness, which Indebtedness is permitted pursuant to Section 7.1(g);

(e) Liens against the Collateral which secure the Indebtedness permitted under Section 7.1(h), provided that any such Lien may either be on a subordinated basis evidenced by documentation acceptable to Administrative Agent or on a pari passu basis with the Obligations and evidenced by documentation acceptable to the Administrative Agent;

(f) any Lien (i) existing on any asset of any Person at the time such Person becomes a Subsidiary of the Borrower, (ii) existing on any asset of any Person at the time such Person is merged with or into the Borrower or any Subsidiary of the Borrower, or (iii) existing on any asset prior to the acquisition thereof by the Borrower or any Subsidiary of the Borrower; provided, that any such Lien was not created in the contemplation of any of the foregoing and any such Lien secures only those obligations which it secures on the date that such Person becomes a Subsidiary or the date of such merger or the date of such acquisition;

(g) extensions, renewals, or replacements of any Lien referred to in paragraphs (a) through (f) of this Section; provided, that the principal amount of the Indebtedness secured thereby is not increased and that any such extension, renewal or replacement is limited to the assets originally encumbered thereby.

Section 7.3 Fundamental Changes.

(a) The Borrower will not, and will not permit any consolidated Subsidiary or any Loan Party to, merge into or consolidate into any other Person, or permit any other Person to merge into or consolidate with it, or sell, lease, transfer or otherwise dispose of (in a single transaction or a series of transactions) all or substantially all of its assets (in each case, whether now owned or hereafter acquired) or all or substantially all of the stock of any of its Subsidiaries (in each case, whether now owned or hereafter acquired) or liquidate or dissolve; provided, that if at the time thereof and immediately after giving effect thereto, no Default or Event of Default shall have occurred and be continuing (i) the Borrower or any Subsidiary may merge with a Person if the Borrower (or such Subsidiary if the Borrower is not a party to such merger) is the surviving Person, (ii) any

Subsidiary may merge into another Subsidiary or may transfer its assets to another Subsidiary; provided, that if any party to such merger or asset transfer is a Subsidiary Loan Party, the Subsidiary Loan Party shall be the surviving Person, (iii) any Subsidiary may sell, transfer, lease or otherwise dispose of all or substantially all of its assets to the Borrower or to a Subsidiary Loan Party, and (iv) any Subsidiary (other than a Subsidiary Loan Party) 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; provided, that any such merger involving a Person that is not a wholly-owned Subsidiary immediately prior to such merger shall not be permitted unless also permitted by Section 7.4.

(b) The Borrower will not, and will not permit any of its Subsidiaries or any Loan Party to, engage to any material extent in any business other than businesses of the type conducted by the Borrower and its Subsidiaries or any Loan Party, as applicable, on the date hereof and businesses reasonably related thereto.

Section 7.4 Investments, Loans, Etc. The Borrower will not, and will not permit any of its consolidated Subsidiaries or any Loan Party to, purchase, hold or acquire (including pursuant to any merger with any Person that was not a wholly-owned Subsidiary prior to such merger), any common stock, evidence 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 (excluding for the purpose of this Section 7.4 Guarantees of the debt of Non-Consolidated Entities) any obligations of, or make or permit to exist any investment or any other interest in, any other Person (all of the foregoing being collectively called “Investments”), or purchase or otherwise acquire (in one transaction or a series of transactions) any assets of any other Person that constitute a business unit, except:

(a) Investments (other than Permitted Investments and those matters referenced in subpart (g) of this Section 7.4) existing on the date hereof and set forth on Schedule 7.4 (including Investments in Subsidiaries);

(b) Permitted Investments;

(c) Investments made by the Borrower in or to any Loan Party and by any Loan Party to the Borrower or in or to another Loan Party;

(d) Hedging Agreements permitted by Section 7.10;

(e) the St. Louis Acquisition;

(f) the Surgis, Inc. Acquisition;

(g) advances to Subsidiaries and Non-Consolidated Entities in the normal course of business, which when made are expected to be repaid within sixty (60) days of such advance; and

(h) excluding Investments described in subparts (e) and (f) above, Investments by the Borrower and its consolidated Subsidiaries in Non-Consolidated Entities and

Permitted Acquisitions; provided that total cash and non-cash consideration (including Indebtedness assumed, deferred purchase price obligations, earn-out obligations, and Capital Stock, warrants, and stock options exchanged in such purchase) for all Permitted Acquisitions made by the Borrower and its consolidated Subsidiaries in the aggregate during any period of four consecutive quarters, together with the amount of all Investments in Non-Consolidated Entities made in the aggregate by the Borrower and its consolidated Subsidiaries during such period do not exceed in the first twelve (12) months after the Closing Date an amount equal to 1.25 times(x) the EBITDA for such four consecutive quarters, and for the time period thereafter, an amount equal to the EBITDA for such four consecutive quarters, and provided further that (i) no single Permitted Acquisition or investment in Non-Consolidated Entities shall exceed $40,000,000, (ii) no Default has occurred and is continuing or would result from any investment in Non-Consolidated Entities or Permitted Acquisitions, as applicable, and (iii) the requirements of Section 5.10 are fulfilled;

(i) advances and loans made by the Borrower to USPE Holdings, Ltd. not to exceed $20,000,000 in the aggregate and at any one time outstanding;

provided, that notwithstanding any provision herein to the contrary, in no event shall Borrower or any Loan Party acquire, form, purchase or hold a Foreign Subsidiary.

Section 7.5 Restricted Payments. The Borrower will not, and will not permit its consolidated Subsidiaries or any Loan Party to, declare or make, or agree to pay or make, directly or indirectly, any dividend on any class of its stock, or make any payment on account of, or set apart assets for a sinking or other analogous fund for, the purchase, redemption, retirement, defeasance or other acquisition of, any shares of common stock or Indebtedness subordinated to the Obligations of the Borrower or any options, warrants, or other rights to purchase such common stock or such Indebtedness, whether now or hereafter outstanding (each, a “Restricted Payment”), except for (i) dividends payable by the Borrower solely in shares of any class of its common stock, (ii) Restricted Payments made by any Subsidiary to the Borrower or to another Subsidiary Loan Party, (iii) cash dividends paid to the Borrower or Parent from any consolidated Subsidiary, and (iv) so long as the Borrower is in pro forma compliance with the covenants set forth in Article VI of this Agreement, Holdings shall be entitled to call or tender the Holdings Notes strictly in accordance with the terms of such Holdings Notes; provided, that in all events no Default or Event of Default has occurred and is continuing at the time such dividend is paid or redemption is made.

Section 7.6 Sale of Assets. The Borrower will not, and will not permit any of its consolidated Subsidiaries or any Loan Party to, convey, sell, lease, assign, transfer or otherwise dispose of, any of its assets, business or property, whether now owned or hereafter acquired, or, in the case of any Subsidiary, issue or sell any shares of such Subsidiary’s common stock to any Person other than the Borrower, except:

(a) the sale or other disposition for fair market value of obsolete or worn out property or other property not necessary for operations disposed of in the ordinary course of business;

(b) the sale of inventory and Permitted Investments in the ordinary course of business;

(c) the sale or other disposition of such assets in an aggregate amount not to exceed five percent (5%) of the Borrower’s consolidated total assets during any twelve (12) month period; provided that no Default or Event of Default has occurred and is continuing as of the date of any such sale or disposition and provided further that proceeds obtained in connection with any asset sale which become Reinvested Proceeds within one hundred eighty (180) days of receipt thereof shall not be included in the calculation hereof;

(d) the sale or transfer of any Equity Interest held by the Borrower or any consolidated Subsidiary in a Non-Consolidated Entity or in any consolidated Subsidiary, provided that in connection with any such sale or transfer, the Borrower complies with the provisions of Section 2.11(b).

Section 7.7 Transactions with Affiliates. The Borrower will not, and will not permit any of its consolidated Subsidiaries or any Loan Party 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 Subsidiary than could be obtained on an arm’s-length basis from unrelated third parties, (b) in transactions between or among the Borrower and its wholly-owned Subsidiaries not involving any other Affiliates, and (c) pursuant to any Restricted Payment permitted by Section 7.5; provided that for the purpose of this provision, such restrictions shall not apply to transactions between Borrower and its non-consolidated Subsidiaries.

Section 7.8 Restrictive Agreements. The Borrower will not, and will not permit any consolidated Subsidiary or any Loan Party to, directly or indirectly, enter into, incur or permit to exist any agreement that prohibits, restricts or imposes any condition upon (a) the ability of the Borrower or any Subsidiary or any Loan Party to create, incur or permit any Lien upon any of its assets or properties, whether now owned or hereafter acquired, or (b) the ability of any Subsidiary or any Loan Party to pay dividends or other distributions with respect to its common stock, to make or repay loans or advances to the Borrower or any other Subsidiary, to Guarantee Indebtedness of the Borrower or any other Subsidiary or to transfer any of its property or assets to the Borrower or any Subsidiary of the Borrower; provided, that (i) the foregoing shall not apply to restrictions or conditions imposed by law or by this Agreement or any other Loan Document, (ii) the foregoing shall not apply to customary restrictions and conditions contained in agreements relating to the sale of a Subsidiary pending such sale, provided such restrictions and conditions apply only to the Subsidiary that is sold and such sale is permitted hereunder, (iii) clause (a) shall not apply to restrictions or conditions imposed by any agreement relating to secured Indebtedness permitted by this Agreement if such restrictions and conditions apply only to the property or assets securing such Indebtedness, and (iv) clause (a) shall not apply to customary provisions in leases restricting the assignment thereof.

Section 7.9 Sale and Leaseback Transactions. The Borrower will not, and will not permit any of the consolidated Subsidiaries or any Loan Party to, enter into any arrangement,

directly or indirectly, whereby it shall sell or transfer any property, real or personal, used or useful in its business, whether now owned or hereinafter acquired, and thereafter rent or lease such property or other property that it intends to use for substantially the same purpose or purposes as the property sold or transferred; provided that such transaction shall be permitted if the sale or transfer is for fair market value and the proceeds from the sale or transfer are paid immediately to the Administrative Agent for application to the Revolving Loans.

Section 7.10 Hedging Agreements. The Borrower will not, and will not permit any of the consolidated Subsidiaries or any Loan Party to, enter into any Hedging Agreement, other than Hedging Agreements entered into in the ordinary course of business to hedge or mitigate risks to which the Borrower or any Subsidiary or any Loan Party is exposed in the conduct of its business or the management of its liabilities. Solely for the avoidance of doubt, the Borrower acknowledges that a Hedging Agreement entered into for speculative purposes or of a speculative nature (which shall be deemed to include any Hedging Agreement under which the Borrower or any of the Subsidiaries or any Loan Party is or may become obliged to make any payment (i) in connection with the purchase by any third party of any common stock or any Indebtedness, or (ii) as a result of changes in the market value of any common stock or any Indebtedness) is not a Hedging Agreement entered into in the ordinary course of business to hedge or mitigate risks.

Section 7.11 Amendment to Material Documents. The Borrower will not, and will not permit any consolidated Subsidiary or any Loan Party to, amend, modify or waive any of its rights in a manner materially adverse to the Lenders under (a) its certificate of incorporation, bylaws or other organizational documents, or (b) documents evidencing Permitted Subordinated Debt; and the Borrower will not, and will not permit, any consolidated Subsidiary or any Loan Party to amend, modify, or waive any of its rights under any material contract if the amendment, modification, or waiver would otherwise violate this Agreement or could be expected to result in a Material Adverse Effect.

Section 7.12 Permitted Subordinated Indebtedness.

(a) Except as set forth in Section 7.1(h), the Borrower will not, and will not permit any of its consolidated Subsidiaries or any Loan Party to (i) prepay, redeem, repurchase or otherwise acquire for value any Permitted Subordinated Debt, or (ii) make any principal, interest or other payments on any Permitted Subordinated Debt that is not expressly permitted by the subordination provisions of the Subordinated Debt Documents.

(b) Except as set forth in Section 7.1(h), the Borrower will not, and will not permit any of its consolidated Subsidiaries or any Loan Party to, agree to or permit any amendment, modification or waiver of any provision of any Subordinated Debt Document if the effect of such amendment, modification or waiver is to (i) increase the interest rate on such Permitted Subordinated Debt for change (to earlier dates) the dates upon which principal and interest are due thereon; (ii) alter the redemption, prepayment or subordination provisions thereof; (iii) alter the covenants and events of default in a manner that would make such provisions more onerous or restrictive to the Borrower or any such Subsidiary or any Loan Party; or (iv) otherwise increase the obligations of the

Borrower or any Subsidiary or any Loan Party in respect of such Permitted Subordinated Debt or confer additional rights upon the holders thereof which individually or in the aggregate would be adverse to the Borrower or any of its Subsidiaries or any Loan Party or to the Administrative Agent or the Lenders.

Section 7.13 Accounting Changes. The Borrower will not, and will not permit any Subsidiary or any Loan Party to, make any significant change in accounting treatment or reporting practices, except as required by GAAP or by any rule or regulation of the Securities Exchange Commission, or change the fiscal year of the Borrower or of any Subsidiary or any Loan Party, except to change the fiscal year of a Subsidiary to conform its fiscal year to that of the Borrower.

ARTICLE VIII

EVENTS OF DEFAULT

Section 8.1 Events of Default. If any of the following events (each an “Event of Default”) shall occur:

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

(b) the Borrower shall fail to pay any interest on any Loan or any fee or any other amount (other than an amount payable under clause (a) of this Article) payable under this Agreement or any other Loan Document, when and as the same shall become due and payable, and such failure shall continue unremedied for a period of three (3) Business Days; or

(c) any representation or warranty made or deemed made by or on behalf of the Borrower or any Subsidiary or any Loan Party in or in connection with this Agreement or any other Loan Document (including the Schedules attached thereto) and any amendments or modifications hereof or waivers hereunder, or in any certificate, report, financial statement or other document submitted to the Administrative Agent or the Lenders by any Loan Party or any representative of any Loan Party pursuant to or in connection with this Agreement or any other Loan Document shall prove to be incorrect when made or deemed made or submitted; or

(d) the Borrower shall fail to observe or perform any covenant or agreement contained in Sections 5.2, 5.3 (with respect to the Borrower’s existence) or Articles VI or VII, or subject to any applicable notice and cure period, an event of default shall occur under any other Loan Document; or

(e) any Loan Party shall fail to observe or perform any covenant or agreement contained in this Agreement (other than those referred to in clauses (a), (b) and (d) above), and such failure shall remain unremedied for thirty (30) days after the earlier of (i) any Responsible Officer of the Borrower or the Loan Party becomes aware of such

failure, or (ii) notice thereof shall have been given to the Borrower or the Loan Party by the Administrative Agent or any Lender; or

(f) an event of default or breach occurs under any Permitted Subordinated Debt issued by the Borrower, any Loan Party, or any Subsidiary; or

(g) the Borrower or any Subsidiary or any Loan Party (whether as primary obligor or as guarantor or other surety) shall fail to pay any principal of or premium or interest on any Material Indebtedness that is outstanding, when and as the same shall become due and payable (whether at scheduled maturity, required prepayment, acceleration, demand or otherwise), and such failure shall continue after the applicable grace period, if any, specified in the agreement or instrument evidencing such Material Indebtedness; or any other event shall occur or condition shall exist under any agreement or instrument relating to such Material Indebtedness and shall continue after the applicable grace period, if any, specified in such agreement or instrument, if the effect of such event or condition is to accelerate, or permit the acceleration of, the maturity of such Material Indebtedness; or any such Material Indebtedness shall be declared to be due and payable; or required to be prepaid or redeemed (other than by a regularly scheduled required prepayment or redemption), purchased or defeased, or any offer to prepay, redeem, purchase or defease such Material Indebtedness shall be required to be made, in each case prior to the stated maturity thereof; or

(h) the Borrower or any Subsidiary or any Loan Party shall (i) commence a voluntary case or other proceeding or file any petition seeking liquidation, reorganization or other relief under any federal, state or foreign bankruptcy, insolvency or other similar law now or hereafter in effect or seeking the appointment of a custodian, trustee, receiver, liquidator or other similar official of it or any substantial part of its property, (ii) consent to the institution of, or fail to contest in a timely and appropriate manner, any proceeding or petition described in clause (i) of this Section, (iii) apply for or consent to the appointment of a custodian, trustee, receiver, liquidator or other similar official for the Borrower or any Subsidiary or any Loan Party 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; or

(i) 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 Subsidiary or any Loan Party or its debts, or any substantial part of its assets, under any federal, state or foreign bankruptcy, insolvency or other similar law now or hereafter in effect, or (ii) the appointment of a custodian, trustee, receiver, liquidator or other similar official for the Borrower or any Subsidiary or any Loan Party or for a substantial part of its assets, and in any such case, such proceeding or petition shall remain undismissed for a period of sixty (60) days or an order or decree approving or ordering any of the foregoing shall be entered; or

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

(k) an ERISA Event shall have occurred that, in the opinion of the Required Lenders, when taken together with other ERISA Events that have occurred, could reasonably be expected to result in liability to the Borrower and its Subsidiaries or any Loan Party in an aggregate amount exceeding $5,000,000; or

(l) any judgment or order for the payment of money in excess of $5,000,000 in the aggregate shall be rendered against the Borrower or any of its Subsidiaries or any Loan Party, and either (i) enforcement proceedings shall have been commenced by any creditor upon such judgment or order, or (ii) there shall be a period of thirty (30) consecutive days during which a stay of enforcement of such judgment or order, by reason of a pending appeal or otherwise, shall not be in effect; or

(m) any non-monetary judgment or order shall be rendered against the Borrower or any Subsidiary or any Loan Party, that could reasonably be expected to have a Material Adverse Effect, and there shall be a period of thirty (30) consecutive days during which a stay of enforcement of such judgment or order, by reason of a pending appeal or otherwise, shall not be in effect; or

(n) a Change in Control shall occur or exist; or

(o) any provision of the Parent Guarantee Agreement, the Holdings Guarantee Agreement, or any Subsidiary Guarantee Agreement shall for any reason cease to be valid and binding on, or enforceable against any Loan Party, as applicable, or any Loan Party shall so state in writing, or any Loan Party shall seek to terminate the Parent Guarantee Agreement, the Holdings Guarantee Agreement, or any Subsidiary Guarantee Agreement, as applicable; or

(p) the Parent and its subsidiaries shall fail to maintain at all times on a consolidated basis a ratio of Parent Total Debt to Parent Total Capitalization of no greater than 0.50 to 1.00, as calculated on the last day of each fiscal quarter;

then, and in every such event (other than an event with respect to the Borrower described in clause (h) or (i) of this Section) and at any time thereafter during the continuance of such event, the Administrative Agent may, and upon the written request of the Required Lenders shall, by notice to the Borrower, take any or all of the following actions, at the same or different times: (i) terminate the Commitments, whereupon the Commitment of each Lender shall terminate immediately; (ii) declare the principal of and any accrued interest on the Loans, and all other Obligations owing hereunder, to be, whereupon the same 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 (iii) exercise all remedies contained in any other Loan Document; and, if an Event of Default specified in either clause (h) or (i) shall occur, the Commitments shall automatically terminate and the principal of the Loans then outstanding, together with accrued interest thereon, and all fees, and all other Obligations 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 IX

THE ADMINISTRATIVE AGENT

Section 9.1 Appointment of Administrative Agent.

(a) Each Lender irrevocably appoints SunTrust Bank as the Administrative Agent and authorizes it to take such actions on its behalf and to exercise such powers as are delegated to the Administrative Agent under this Agreement and the other Loan Documents, together with all such actions and powers that are reasonably incidental thereto. The Administrative Agent may perform any of its duties hereunder 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 of its duties and exercise its rights and powers through their respective Related Parties. The exculpatory provisions set forth in this Article shall apply to any such sub-agent and 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.

(b) The Issuing Bank shall act on behalf of the Lenders with respect to any Letters of Credit issued by it and the documents associated therewith until such time and except for so long as the Administrative Agent may agree at the request of the Required Lenders to act for the Issuing Bank with respect thereto; provided, that the Issuing Bank shall have all the benefits and immunities (i) provided to the Administrative Agent in this Article IX with respect to any acts taken or omissions suffered by the Issuing Bank in connection with Letters of Credit issued by it or proposed to be issued by it and the application and agreements for letters of credit pertaining to the Letters of Credit as fully as the term “Administrative Agent” as used in this Article IX included the Issuing Bank with respect to such acts or omissions, and (ii) as additionally provided in this Agreement with respect to the Issuing Bank.

Section 9.2 Nature of Duties of Administrative Agent. The Administrative Agent shall not have any duties or obligations except those expressly set forth in this Agreement and the other Loan Documents. 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 or an Event of 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 those discretionary rights and powers expressly contemplated by the Loan Documents that the Administrative Agent is required to exercise in writing by the Required Lenders (or such other number or percentage of the Lenders as shall be necessary under the circumstances as provided in Section 10.2), and (c) except as expressly set forth in the Loan Documents, the Administrative Agent shall not have any duty to disclose, and shall not be liable for the failure to disclose, any information relating to the Borrower or any of its Subsidiaries or any Loan Party that is communicated to or obtained by the 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 10.2) or in the absence of its own gross negligence or willful misconduct. The Administrative Agent shall not be deemed to have knowledge of any Default or Event of Default unless and until written notice thereof is given to the Administrative Agent by the Borrower or any 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 any Loan Document, (ii) the contents of any certificate, report or other document delivered hereunder or thereunder or in connection herewith or therewith, (iii) the performance or observance of any of the covenants, agreements, or other terms and conditions set forth in any Loan Document, (iv) the validity, enforceability, effectiveness or genuineness of any Loan Document or any other agreement, instrument or document, or (v) the satisfaction of any condition set forth in Article III or elsewhere in any Loan Document, other than to confirm receipt of items expressly required to be delivered to the Administrative Agent.

Section 9.3 Lack of Reliance on the Administrative Agent. Each of the Lenders, the Swingline Lender and the Issuing Bank 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 of the Lenders, the Swingline Lender and the Issuing Bank 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 has deemed appropriate, continue to make its own decisions in taking or not taking of any action under or based on this Agreement, any related agreement or any document furnished hereunder or thereunder.

Section 9.4 Certain Rights of the Administrative Agent. If the Administrative Agent shall request instructions from the Required Lenders with respect to any action or actions (including the failure to act) in connection with this Agreement, the Administrative Agent shall be entitled to refrain from such act or taking such act, unless and until it shall have received instructions from such Lenders; and the Administrative Agent shall not incur liability to any Person by reason of so refraining. Without limiting the foregoing, no Lender shall have any right of action whatsoever against the Administrative Agent as a result of the Administrative Agent acting or refraining from acting hereunder in accordance with the instructions of the Required Lenders where required by the terms of this Agreement.

Section 9.5 Reliance by 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, sent or made by the proper Person. The Administrative Agent may also 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 (including counsel for the Borrower), independent public 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 such counsel, accountants or experts.

Section 9.6 The Administrative Agent in its Individual Capacity. The bank serving as the Administrative Agent shall have the same rights and powers under this Agreement and any other Loan Document in its capacity as a Lender as any other Lender and may exercise or refrain from exercising the same as though it were not the Administrative Agent; and the terms “Lenders”, “Required Lenders”, “holders of Notes”, or any similar terms shall, unless the context clearly otherwise indicates, include the Administrative Agent in its individual capacity. The bank acting as the Administrative Agent and its Affiliates may accept deposits from, lend money to, and generally engage in any kind of business with the Borrower or any Subsidiary or Affiliate of the Borrower or any Loan Party as if it were not the Administrative Agent hereunder.

Section 9.7 Successor Administrative Agent.

(a) The Administrative Agent may resign at any time by giving notice thereof to the Lenders and the Borrower. Upon any such resignation, the Required Lenders shall have the right to appoint a successor Administrative Agent, subject to the approval by the Borrower provided that no Default or Event of Default shall exist at such time. If no successor Administrative Agent shall have been so appointed, and shall have accepted such appointment within thirty (30) days after the retiring Administrative Agent gives notice of resignation, then the retiring Administrative Agent may, on behalf of the Lenders and the Issuing Bank, appoint a successor Administrative Agent, which shall be a commercial bank organized under the laws of the United States of America or any state thereof or a bank which maintains an office in the United States, having a combined capital and surplus of at least $500,000,000.

(b) Upon the acceptance of its appointment as the Administrative Agent hereunder by a successor, such successor Administrative Agent shall thereupon 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 under this Agreement and the other Loan Documents. If within forty-five (45) days after written notice is given of the retiring Administrative Agent’s resignation under this Section 9.7 no successor Administrative Agent shall have been appointed and shall have accepted such appointment, then on such 45th day (i) the retiring Administrative Agent’s resignation shall become effective, (ii) the retiring Administrative Agent shall thereupon be discharged from its duties and obligations under the Loan Documents, and (iii) the Required Lenders shall thereafter perform all duties of the retiring Administrative Agent under the Loan Documents until such time as the Required Lenders appoint a successor Administrative Agent as provided above. After any retiring Administrative Agent’s resignation hereunder, the provisions of this Article IX shall continue in effect for the benefit of such retiring Administrative Agent and its representatives and agents in respect of any actions taken or not taken by any of them while it was serving as the Administrative Agent.

ARTICLE X

MISCELLANEOUS

Section 10.1 Notices.

(a) Except in the case of notices and other communications expressly permitted to be given by telephone, all notices and other communications to any party herein to be effective 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:


		To the Borrower:		United Surgical Partners International, Inc.
				▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇
				▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇▇
				Attn: Chief Financial Officer and General
				Counsel
				Telecopy Number: (▇▇▇) ▇▇▇-▇▇▇▇

		To the Administrative Agent:		SunTrust Bank
				▇.▇. ▇▇▇ ▇▇▇▇▇▇
				▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇
				Attention: ▇▇▇▇ ▇. ▇▇▇▇▇▇▇
				Telecopy Number: (▇▇▇) ▇▇▇-▇▇▇▇

		To the Issuing Bank:		SunTrust Bank
				▇▇ ▇▇▇▇ ▇▇▇▇▇, ▇. E./Mail Code 3706
				▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇
				Attention: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇
				Telecopy Number: (▇▇▇) ▇▇▇-▇▇▇▇

		To the Swingline Lender:		SunTrust Bank
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				▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇-▇▇▇▇
				Attention: ▇▇▇▇ ▇. ▇▇▇▇▇▇▇
				Telecopy Number: (▇▇▇) ▇▇▇-▇▇▇▇

		To any other Lender:		the address set forth in the Administrative
				Questionnaire

Any party hereto may change its address or telecopy number for notices and other communications hereunder by notice to the other parties hereto. All such notices and other communications shall, when transmitted by overnight delivery, or faxed, be effective when delivered for overnight (next-day) delivery, or transmitted in legible form by facsimile machine, respectively, or if mailed, upon the third Business Day after the date deposited into the mails or if delivered, upon delivery; provided, that notices delivered to the Administrative Agent, the Issuing Bank or the Swingline Lender shall not

be effective until actually received by such Person at its address specified in this Section 10.1.

(b) Any agreement of the Administrative Agent and the Lenders herein to receive certain notices by telephone or facsimile is solely for the convenience and at the request of the Borrower. The Administrative Agent and the Lenders shall be entitled to rely on the authority of any Person purporting to be a Person authorized by the Borrower to give such notice and the Administrative Agent and Lenders shall not have any liability to the Borrower or other Person on account of any action taken or not taken by the Administrative Agent or the Lenders in reliance upon such telephonic or facsimile notice. The obligation of the Borrower to repay the Loans and all other Obligations hereunder shall not be affected in any way or to any extent by any failure of the Administrative Agent and the Lenders to receive written confirmation of any telephonic or facsimile notice or the receipt by the Administrative Agent and the Lenders of a confirmation which is at variance with the terms understood by the Administrative Agent and the Lenders to be contained in any such telephonic or facsimile notice.

Section 10.2 Waiver; Amendments.

(a) No failure or delay by the Administrative Agent, the Issuing Bank or any Lender in exercising any right or power hereunder or any other Loan Document, and no course of dealing between the Borrower and the Administrative Agent or any Lender, 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 right or power, preclude any other or further exercise thereof or the exercise of any other right or power hereunder or thereunder. The rights and remedies of the Administrative Agent, the Issuing Bank and the Lenders hereunder and under the other Loan Documents are cumulative and are not exclusive of any rights or remedies provided by law. No waiver of any provision of this Agreement or any other Loan Document 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 or the issuance of a Letter of Credit shall not be construed as a waiver of any Default or Event of Default, regardless of whether the Administrative Agent, any Lender or the Issuing Bank may have had notice or knowledge of such Default or Event of Default at the time.

(b) No amendment or waiver of any provision of this Agreement or the other Loan Documents, nor consent to any departure by the Borrower therefrom, shall in any event be effective unless the same shall be in writing and signed by the Borrower and the Required Lenders or the Borrower and the Administrative Agent with the consent of the Required Lenders and then such waiver or consent shall be effective only in the specific instance and for the specific purpose for which given; provided, that no amendment or waiver shall: (i) increase the Commitment of any Lender without the written consent of such Lender; (ii) reduce the principal amount of any Loan or LC Disbursement or reduce the rate of interest thereon, or reduce any fees payable hereunder, without the written consent of each Lender affected thereby; (iii) postpone the date fixed for any payment of

any principal of, or interest on, any Loan or LC Disbursement or interest thereon or any fees hereunder or reduce the amount of, waive or excuse any such payment, or postpone the scheduled date for the termination or reduction of any Commitment, without the written consent of each Lender affected thereby; (iv) change Section 2.20(b) or (c) in a manner that would alter the pro rata sharing of payments required thereby, without the written consent of each Lender; (v) 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 which are required to waive, amend or modify any rights hereunder or make any determination or grant any consent hereunder, without the consent of each Lender; (vi) release any of the Guarantors or limit the liability of any of the Guarantors under any guaranty agreement without the written consent of each Lender; or (vii) release all or substantially all Collateral securing any of the Obligations without the written consent of each Lender; provided further, that no such agreement shall amend, modify or otherwise affect the rights, duties or obligations of the Administrative Agent, the Swingline Lender or the Issuing Bank without the prior written consent of such Person.

Section 10.3 Expenses; Indemnification.

(a) The Borrower shall pay (i) all reasonable, out-of-pocket costs and expenses of the Administrative Agent and its Affiliates, including the reasonable fees, charges and disbursements of counsel for the Administrative Agent and its Affiliates, in connection with the syndication of the credit facilities provided for herein, the preparation and administration of the Loan Documents and any amendments, modifications or waivers thereof (whether or not the transactions contemplated in this Agreement or any other Loan Document shall be consummated), (ii) all reasonable out-of-pocket expenses incurred by the Issuing Bank in connection with the issuance, amendment, renewal or extension of any Letter of Credit or any demand for payment thereunder, and (iii) all out-of-pocket costs and expenses (including, without limitation, the reasonable fees, charges and disbursements of outside counsel and the allocated cost of inside counsel) incurred by the Administrative Agent, the Issuing Bank or any Lender in connection with the enforcement or protection of its rights in connection with this Agreement, including its rights under this Section, or in connection with the Loans made or any Letters of Credit issued hereunder, including all such out-of-pocket expenses incurred during any workout, restructuring or negotiations in respect of such Loans or Letters of Credit.

(b) The Borrower shall indemnify the Administrative Agent, the Issuing Bank and each Lender, and each Related Party of any of the foregoing (each, an “Indemnitee”) against, and hold each of them harmless from, any and all costs, losses, liabilities, claims, damages and related expenses, including the fees, charges and disbursements of any counsel for any Indemnitee, which may be 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 other agreement or instrument contemplated hereby, the performance by the parties hereto of their respective obligations hereunder or the consummation of any of the transactions contemplated hereby, (ii) any Loan or Letter of Credit or any actual or proposed use of the proceeds therefrom (including any refusal by the Issuing

Bank to honor a demand for payment under a Letter of Credit if the documents presented in connection with such demand do not strictly comply with the terms of such Letter of Credit), (iii) any actual or alleged presence or release of Hazardous Materials on or from any property owned 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 the Borrower shall not be obligated to indemnify any Indemnitee for any of the foregoing arising out of such Indemnitee’s gross negligence or willful misconduct as determined by a court of competent jurisdiction in a final and nonappealable judgment.

(c) The Borrower shall pay, and hold the Administrative Agent and each of the Lenders harmless from and against, any and all present and future stamp, documentary, and other similar taxes with respect to this Agreement and any other Loan Documents, any collateral described therein, or any payments due thereunder, and save the Administrative Agent and each Lender harmless from and against any and all liabilities with respect to or resulting from any delay or omission to pay such taxes.

(d) To the extent that the Borrower fails to pay any amount required to be paid to the Administrative Agent, the Issuing Bank or the Swingline Lender under clauses (a), (b) or (c) hereof, each Lender severally agrees to pay to the Administrative Agent, the Issuing Bank or the Swingline Lender, as the case may be, such Lender’s Pro Rata Share (determined as of the time that the unreimbursed expense or indemnity payment is sought) of such unpaid amount; provided, that the unreimbursed expense or indemnified payment, claim, damage, liability or related expense, as the case may be, was incurred by or asserted against the Administrative Agent, the Issuing Bank or the Swingline Lender in its capacity as such.

(e) To the extent permitted by applicable law, the Borrower shall not assert, and hereby waives, any claim against any Indemnitee, on any theory of liability, for special, indirect, consequential or punitive damages (as opposed to actual or direct damages) arising out of, in connection with or as a result of, this Agreement or any agreement or instrument contemplated hereby, the transactions contemplated therein, any Loan or any Letter of Credit or the use of proceeds thereof.

(f) All amounts due under this Section shall be payable promptly after written demand therefor.

Section 10.4 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, except that the Borrower may not assign or transfer any of its rights hereunder without the prior written consent of each Lender (and any attempted assignment or transfer by the Borrower without such consent shall be null and void).

(b) Any Lender may at any time assign to one or more assignees all or a portion of its rights and obligations under this Agreement and the other Loan Documents (including all or a portion of its Commitment and the Loans and LC Exposure at the time owing to it); provided, that (i) except in the case of an assignment to a Lender or an Affiliate of a Lender, each of the Borrower and the Administrative Agent (and, in the case of an assignment of all or a portion of a Commitment or any Lender’s obligations in respect of its LC Exposure or Swingline Exposure, the Issuing Bank or the Swingline Lender, as applicable) must give their prior written consent (which consent shall not be unreasonably withheld or delayed), (ii) except in the case of an assignment to a Lender or an Affiliate of a Lender or an assignment of the entire amount of the assigning Lender’s Commitment hereunder or an assignment while an Event of Default has occurred and is continuing, the amount of the Commitment of the assigning Lender subject to each such assignment (determined as of the date the Assignment and Acceptance with respect to such assignment is delivered to the Administrative Agent) shall be in minimum increments of $1,000,000 (unless the Borrower and the Administrative Agent shall otherwise consent), (iii) each partial assignment shall be made as an assignment of a proportionate part of all the assigning Lender’s rights and obligations under this Agreement and the other Loan Documents, (iv) the assigning Lender and the assignee shall execute and deliver to the Administrative Agent an Assignment and Acceptance, together with a processing and recordation fee payable by the assigning Lender or the assignee (as determined between such Persons) in an amount equal to $3,500, and (v) such assignee, if it is not a Lender, shall deliver a duly completed Administrative Questionnaire to the Administrative Agent; provided, that any consent of the Borrower otherwise required hereunder shall not be required if an Event of Default has occurred and is continuing. Upon the execution and delivery of the Assignment and Acceptance and payment by such assignee to the assigning Lender of an amount equal to the purchase price agreed between such Persons, such assignee shall become a party to this Agreement and any other Loan Documents to which such assigning Lender is a party and, to the extent of such interest assigned by such Assignment and Acceptance, shall have the rights and obligations of a Lender under this Agreement, and the assigning Lender shall be released from its obligations hereunder to a corresponding extent (and, in the case of an Assignment and Acceptance 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 Sections 2.16, 2.17 and 2.18 and 10.3. Upon the consummation of any such assignment hereunder, the assigning Lender, the Administrative Agent and the Borrower shall make appropriate arrangements to have a new Note issued if so requested by either or both the assigning Lender or the assignee. Any assignment or other transfer by a Lender that does not fully comply with the terms of this clause (b) shall be treated for purposes of this Agreement as a sale of a participation pursuant to clause (c) below.

(c) Any Lender may at any time, without the consent of the Borrower, the Administrative Agent, the Issuing Bank or the Swingline Lender, 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 its Commitment, the Loans owing to it and its LC Exposure); provided, that (i) such Lender’s obligations under this Agreement shall remain unchanged, (ii) such Lender shall

remain solely responsible to the other parties hereto for the performance of its obligations hereunder, and (iii) the Borrower, the Administrative Agent, the Swingline Lender, the Issuing Bank 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 and the other Loan Documents. Any agreement between such Lender and the Participant with respect to such participation shall provide that such Lender shall retain the sole right and responsibility to enforce this Agreement and the other Loan Documents and the sole right to approve any amendment, modification, consent, or waiver regarding this Agreement and the other Loan Documents; provided, that such participation agreement may provide that such Lender will not, without the consent of the Participant, agree to any amendment, modification, consent, or waiver regarding this Agreement described in the first proviso of Section 10.2(b) that affects the Participant. The Borrower agrees that each Participant shall be entitled to the benefits of Sections 2.16, 2.17 and 2.18 to the same extent as if it were a Lender hereunder and had acquired its interest by assignment pursuant to paragraph (b); provided, that no Participant shall be entitled to receive any greater payment under Section 2.16 or 2.18 than the applicable Lender would have been entitled to receive with respect to the participation sold to such Participant unless the sale of such participation is made with the Borrower’s prior written consent. To the extent permitted by law, the Borrower agrees that each Participant shall be entitled to the benefits of Section 2.19 as though it were a Lender, provided, that such Participant agrees to share with the Lenders the proceeds thereof in accordance with Section 2.19 as fully as if it were a Lender hereunder, further, provided, that no Participant shall be entitled to receive any greater payment under Section 2.19 than the applicable Lender would have been entitled to receive with respect to the participation sold to such Participant unless the sale of such participation is made with the Borrower’s prior written consent. A Participant that would be a Foreign Lender if it were a Lender shall not be entitled to the benefits of Section 2.19 unless the Borrower is notified of such participation sold to such Participant and such Participant agrees, for the benefit of the Borrower, to comply with Section 2.19(e) as though it were a Lender hereunder.

(d) Any Lender may at any time pledge or assign a security interest in all or any portion of its rights under this Agreement and its Note (if any) to secure its obligations to a Federal Reserve Bank without complying with this Section; provided, that no such pledge or assignment shall release a Lender from any of its obligations hereunder or substitute any such pledgee or assignee for such Lender as a party hereto.

(e) Notwithstanding anything to the contrary contained herein, any Lender (a “Granting Lender”) may grant to a special purpose funding vehicle (an “SPV”), identified as such in writing from time to time by the Granting Lender to the Administrative Agent and the Borrower, the option to provide to the Borrower all or any part of any Loan that such Granting Lender would otherwise be obligated to make to the Borrower pursuant to this Agreement; provided, that (i) nothing herein shall constitute a commitment by any SPV to make any Loan, and (ii) if an SPV elects not to exercise such option or otherwise fails to provide all or any part of any Loan, the Granting Lender shall be obligated to make such Loan pursuant to the terms hereof. The making of a Loan by an SPV hereunder shall utilize the Commitment of the Granting Lender to the same extent, and as if such Loan were made by such Granting Lender. Each party hereto hereby agrees that

no SPV shall be liable for any indemnity or similar payment obligation under this Agreement (all liability for which shall remain with the Granting Lender). In furtherance of the foregoing, each party hereto hereby agrees (which agreement shall survive the termination of this Agreement) that, prior to the date that is one year and one day after the payment in full of all outstanding commercial paper or other senior indebtedness of any SPV, it will not institute against, or join any other person in instituting against, such SPV any bankruptcy, reorganization, arrangement, insolvency or liquidation proceedings under the laws of the United States or any State. Notwithstanding anything to the contrary contained in this Section 10.4, any SPV may (i) with notice to, but without the prior written consent of, the Borrower and the Administrative Agent and without paying any processing fee therefor, assign all or a portion of its interests in any Loans to the Granting Lender or to any financial institutions (consented to by the Borrower and the Administrative Agent) providing liquidity and/or credit support to or for the account of such SPV to support the funding or maintenance of Loans, and (ii) disclose on a confidential basis any non-public information relating to its Loans to any rating agency, commercial paper dealer or provider of any surety, guarantee or credit or liquidity enhancement to such SPV. As this Section 10.4(e) applies to any particular SPV, this Section may not be amended without the written consent of such SPV.

Section 10.5 Governing Law; Jurisdiction; Consent to Service of Process.

(a) This Agreement and the other Loan Documents shall be construed in accordance with and be governed by the law (without giving effect to the conflict of law principles thereof) of the State of Tennessee.

(b) The Borrower hereby irrevocably and unconditionally submits, for itself and its property, to the non-exclusive jurisdiction of the United States District Court of the Middle District of Tennessee, and of any state court in Davidson County, Tennessee, and any appellate court from any thereof, in any action or proceeding arising out of or relating to this Agreement or any other Loan Document or the transactions contemplated hereby or thereby, 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 Tennessee state court or, to the extent permitted by applicable law, 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 or any other Loan Document shall affect any right that the Administrative Agent, the Issuing Bank or any Lender may otherwise have to bring any action or proceeding relating to this Agreement or any other Loan Document against the Borrower or its properties in the courts of any jurisdiction.

(c) The Borrower irrevocably and unconditionally waives any objection which it may now or hereafter have to the laying of venue of any such suit, action or proceeding described in paragraph (b) of this Section and brought in any court referred to in paragraph (b) of this Section. Each of the parties hereto irrevocably waives, to the fullest extent permitted by applicable 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 the service of process in the manner provided for notices in Section 10.1. Nothing in this Agreement or in any other Loan Document will affect the right of any party hereto to serve process in any other manner permitted by law.

Section 10.6 WAIVER OF JURY TRIAL. EACH PARTY HERETO IRREVOCABLY 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 THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY (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 AND THE OTHER LOAN DOCUMENTS BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION.

Section 10.7 Right of Setoff. In addition to any rights now or hereafter granted under applicable law and not by way of limitation of any such rights, each Lender and the Issuing Bank shall have the right, at any time or from time to time upon the occurrence and during the continuance of an Event of Default, without prior notice to the Borrower, any such notice being expressly waived by the Borrower to the extent permitted by applicable law, to set off and apply against all deposits (general or special, time or demand, provisional or final) of the Borrower at any time held or other obligations at any time owing by such Lender and the Issuing Bank to or for the credit or the account of the Borrower against any and all Obligations held by such Lender or the Issuing Bank, as the case may be, irrespective of whether such Lender or the Issuing Bank shall have made demand hereunder and although such Obligations may be unmatured. Each Lender and the Issuing Bank agree promptly to notify the Administrative Agent and the Borrower after any such set-off and any application made by such Lender and the Issuing Bank, as the case may be; provided, that the failure to give such notice shall not affect the validity of such set-off and application.

Section 10.8 Counterparts; Integration. This Agreement may be executed by one or more of the parties to this Agreement on any number of separate counterparts (including by telecopy), and all of said counterparts taken together shall be deemed to constitute one and the same instrument. This Agreement, the other Loan Documents, and any separate letter agreement(s) relating to any fees payable to the Administrative Agent constitute the entire agreement among the parties hereto and thereto regarding the subject matters hereof and thereof and supersede all prior agreements and understandings, oral or written, regarding such subject matters.

Section 10.9 Survival. All covenants, agreements, representations and warranties made by the Borrower 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 and issuance of any Letters of Credit, regardless of any investigation made by any such other party or on its behalf and notwithstanding that the Administrative Agent, the Issuing Bank 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 or any Letter of Credit is outstanding and so long as the Commitments have not expired or terminated. The provisions of Sections 2.17, 2.18, 2.19, and 10.3 and Article IX shall survive and remain in full force and effect regardless of the consummation of the transactions contemplated hereby, the repayment of the Loans, the expiration or termination of the Letters of Credit and the Commitments or the termination of this Agreement or any provision hereof. All representations and warranties made herein and in the certificates, reports, notices, and other documents delivered pursuant to this Agreement shall survive the execution and delivery of this Agreement and the other Loan Documents, and the making of the Loans and the issuance of the Letters of Credit.

Section 10.10 Severability. Any provision of this Agreement or any other Loan Document held to be illegal, invalid or unenforceable in any jurisdiction, shall, as to such jurisdiction, be ineffective to the extent of such illegality, invalidity or unenforceability without affecting the legality, validity or enforceability of the remaining provisions hereof or thereof; and the illegality, invalidity or unenforceability of a particular provision in a particular jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.

Section 10.11 Confidentiality. Each of the Administrative Agent, the Issuing Bank and each Lender agrees to take normal and reasonable precautions to maintain the confidentiality of any information designated in writing as confidential and provided to it by the Borrower or any Subsidiary, except that such information may be disclosed (i) to any Related Party of the Administrative Agent, the Issuing Bank or any such Lender, including without limitation accountants, legal counsel and other advisors, (ii) to the extent required by applicable laws or regulations or by any subpoena or similar legal process, (iii) to the extent requested by any regulatory agency or authority having jurisdiction, (iv) to the extent that such information becomes publicly available other than as a result of a breach of this Section, or which becomes available to the Administrative Agent, the Issuing Bank, any Lender or any Related Party of any of the foregoing on a nonconfidential basis from a source other than the Borrower, (v) in connection with the exercise of any remedy hereunder or any suit, action or proceeding relating to this Agreement or the enforcement of rights hereunder, (vi) subject to provisions substantially similar to this Section 10.11, to any actual or prospective assignee or Participant, or (vii) with the consent of the Borrower. Any Person required to maintain the confidentiality of any information as provided for 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 its own confidential information.

Section 10.12 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 may be treated as interest on such Loan under applicable law (collectively, the “Charges”), shall exceed the maximum lawful rate of interest (the “Maximum Rate”) which may be contracted for, charged, taken, received or reserved by a 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 Rate to the date of repayment, shall have been received by such Lender.

Section 10.13 Syndication Agent and Documentation Agent. The Lenders identified on the signature pages of this Agreement as the “Syndication Agent” and the “Documentation Agent” shall not have any right, power, obligation, liability, responsibility or duty under this Agreement (or any other Loan Document) other than those applicable to all Lenders as such. Without limiting the foregoing, the Lenders so identified as “Syndication Agent” and “Documentation Agent” shall not have or be deemed to have any fiduciary relationship with any other Lender. Each Lender acknowledges that it has not relied, and will not rely, on the Lenders so identified as “Syndication Agent” and as “Documentation Agent” in deciding to enter into this Agreement and each other Loan Document to which it is a party or in taking or not taking action hereunder or thereunder.

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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.



		USP DOMESTIC HOLDINGS, INC.

		By:

				Name:
				Title:

		SUNTRUST BANK
		as Administrative Agent, as Issuing Bank,
		as Swingline Lender and as a Lender

		By:

				Name:
				Title:

		Revolving Commitment: $35,000,000

		LC Commitment: $3,500,000



		BANK OF AMERICA, N.A.

		By:

				Name:
				Title:

		Revolving Commitment: $30,000,000

		LC Commitment: $3,000,000



		GENERAL ELECTRIC CAPITAL CORPORATION

		By:

				Name:
				Title:

		Revolving Commitment: $20,000,000

		LC Commitment: $2,000,000



		KEYBANK NATIONAL ASSOCIATION

		By:

				Name:
				Title:

		Revolving Commitment: $18,000,000

		LC Commitment: $1,800,000

▇▇



		▇▇▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇ ▇▇ ▇▇▇▇▇▇▇▇

		By:

				Name:
				Title:

		Revolving Commitment: $18,000,000

		LC Commitment: $1,800,000



		▇▇▇▇▇ FARGO BANK, N.A.

		By:

				Name:
				Title:

		Revolving Commitment: $18,000,000

		LC Commitment: $1,800,000



		FIRST TENNESSEE BANK NATIONAL ASSOCIATION

		By:

				Name:
				Title:

		Revolving Commitment: $15,000,000

		LC Commitment: $1,500,000



		AMEGY BANK NATIONAL ASSOCIATION

		By:

				Name:
				Title:

		Revolving Commitment: $15,000,000

		LC Commitment: $1,500,000



		COMPASS BANK

		By:

				Name:
				Title:

		Revolving Commitment: $15,000,000

		LC Commitment: $1,500,000



		SIEMENS FINANCIAL SERVICES, INC.

		By:

				Name:
				Title:

		Revolving Commitment: $10,000,000

		LC Commitment: $1,000,000



		BANK OF OKLAHOMA, N.A.

		By:

				Name:
				Title:

		Revolving Commitment: $6,000,000

		LC Commitment: $600,000

CREDIT AGREEMENT dated as of February 21, 2006 among USP DOMESTIC HOLDINGS, INC. as Borrower THE LENDERS FROM TIME TO TIME PARTY HERETO and SUNTRUST BANK as Administrative Agent and BANK OF AMERICA, N.A., as Syndication Agent and GENERAL ELECTRIC...

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