Document:

exv10w1

 

Exhibit 10.1

 

 

Published CUSIP Number (Deal): 25179NAA90

AMENDED AND RESTATED CREDIT AGREEMENT

Effective as of April 7, 2006

among

DEVON ENERGY CORPORATION

as US Borrower

NORTHSTAR ENERGY CORPORATION

and

DEVON CANADA CORPORATION

as Canadian Borrowers

BANK OF AMERICA, N.A.

as Administrative Agent, Swing Line Lender and L/C Issuer

JPMORGAN CHASE BANK, N.A.

as Syndication Agent

BANK OF MONTREAL d/b/a “HARRIS NESBITT”

ROYAL BANK OF CANADA

WACHOVIA BANK, NATIONAL ASSOCIATION

as Co-Documentation Agents

and

THE OTHER LENDERS PARTY HERETO

BANC OF AMERICA SECURITIES LLC

and

J.P. MORGAN SECURITIES INC.

as Joint Lead Arrangers and Book Managers

 

 

 

 

TABLE OF CONTENTS

	 	 	 	 	 	 	 	 	 
	 	 	Section	 	 	 	Page	 
	ARTICLE I. DEFINITIONS AND ACCOUNTING TERMS	 	 	1	 
	 
	 	1.01	 	Defined Terms	 	 	1	 
	 
	 	1.02	 	Other Interpretive Provisions	 	 	34	 
	 
	 	1.03	 	Accounting Terms	 	 	35	 
	 
	 	1.04	 	Rounding	 	 	35	 
	 
	 	1.05	 	References to Agreements and Laws	 	 	35	 
	 
	 	1.06	 	Times of Day	 	 	36	 
	 
	 	1.07	 	Letter of Credit Amounts	 	 	36	 
	 
	 	1.08	 	US Dollar Equivalent	 	 	36	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE II. US COMMITMENTS AND US CREDIT EXTENSION	 	 	36	 
	 
	 	2.01	 	US Committed Loans	 	 	36	 
	 
	 	2.02	 	US Borrowings, Conversions and Continuations of US Committed Loans	 	 	36	 
	 
	 	2.03	 	US Bid Loans	 	 	38	 
	 
	 	2.04	 	US Letters of Credit	 	 	41	 
	 
	 	2.05	 	US Swing Line Loans	 	 	49	 
	 
	 	2.06	 	Prepayments	 	 	51	 
	 
	 	2.07	 	Repayment of US Loans	 	 	52	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE III. CANADIAN SUBFACILITY	 	 	53	 
	 
	 	3.01	 	Canadian Committed Loans	 	 	53	 
	 	 	3.02	 	Canadian Borrowings, Conversions and Continuations of Canadian
Committed Loans	 	 	53	 
	 
	 	3.03	 	Canadian Bid Loans	 	 	55	 
	 
	 	3.04	 	Canadian Letters of Credit	 	 	58	 
	 
	 	3.05	 	Canadian Swing Line Loans	 	 	67	 
	 
	 	3.06	 	Prepayments	 	 	70	 
	 
	 	3.07	 	Repayment of Canadian Loans	 	 	71	 
	 
	 	3.08	 	Bankers’ Acceptances	 	 	71	 
	 
	 	3.09	 	Currency Fluctuations	 	 	76	 
	 
	 	3.10	 	Currency Conversion and Currency Indemnity	 	 	76	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE IV. GENERAL PROVISIONS APPLICABLE TO SENIOR CREDIT FACILITY AND CANADIAN SUBFACILITY	 	 	77	 
	 
	 	4.01	 	Interest on Loans	 	 	77	 
	 
	 	4.02	 	Fees	 	 	79	 
	 
	 	4.03	 	Computation of Interest and Fees on Loans	 	 	80	 
	 
	 	4.04	 	Evidence of Debt	 	 	81	 
	 
	 	4.05	 	Payments Generally	 	 	81	 
	 
	 	4.06	 	Sharing of Payments	 	 	83	 
	 
	 	4.07	 	Canadian Reallocation of the Commitments	 	 	84	 
	 
	 	4.08	 	Extension of Maturity Date	 	 	85	 
	 
	 	4.09	 	Increase in Commitments	 	 	86	 
	 
	 	4.10	 	Termination or Reduction of Commitments	 	 	87	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE V. TAXES, YIELD PROTECTION AND ILLEGALITY	 	 	87	 
	 
	 	5.01	 	Taxes	 	 	87	 
	 
	 	5.02	 	Illegality	 	 	90	 
	 
	 	5.03	 	Inability to Determine Rates	 	 	91	 

 

 

	 	 	 	 	 	 	 	 	 
	 	 	Section	 	 	 	Page	 
	 	 	5.04	 	Increased Cost and Reduced Return; Capital Adequacy; Reserves on US
Dollar Eurodollar Rate Loans, Canadian Dollar Eurodollar Rate Loans, and
Canadian US Eurodollar Rate Committed Loans	 	 	91	 
	 
	 	5.05	 	Compensation for Losses	 	 	92	 
	 
	 	5.06	 	Matters Applicable to all Requests for Compensation	 	 	93	 
	 
	 	5.07	 	Survival	 	 	93	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE VI. CONDITIONS PRECEDENT TO CREDIT EXTENSIONS	 	 	93	 
	 
	 	6.01	 	Conditions to Effectiveness of this Agreement	 	 	93	 
	 
	 	6.02	 	Conditions to all Credit Extensions	 	 	95	 
	 
	 	6.03	 	Confirmation of Conditions to Effectiveness of this Agreement	 	 	95	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE VII. REPRESENTATIONS AND WARRANTIES	 	 	95	 
	 
	 	7.01	 	No Default	 	 	96	 
	 
	 	7.02	 	Organization and Good Standing	 	 	96	 
	 
	 	7.03	 	Authorization	 	 	96	 
	 
	 	7.04	 	No Conflicts or Consents	 	 	96	 
	 
	 	7.05	 	Enforceable Obligations	 	 	96	 
	 
	 	7.06	 	Full Disclosure	 	 	97	 
	 
	 	7.07	 	Litigation	 	 	97	 
	 
	 	7.08	 	ERISA Plans and Liabilities	 	 	97	 
	 
	 	7.09	 	Environmental and Other Laws	 	 	97	 
	 
	 	7.10	 	Material Subsidiaries	 	 	98	 
	 
	 	7.11	 	Title to Properties; Licenses	 	 	98	 
	 
	 	7.12	 	Government Regulation	 	 	98	 
	 
	 	7.13	 	Solvency	 	 	98	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE VIII. AFFIRMATIVE COVENANTS	 	 	98	 
	 
	 	8.01	 	Payment and Performance	 	 	98	 
	 
	 	8.02	 	Books, Financial Statements and Reports	 	 	99	 
	 
	 	8.03	 	Other Information and Inspections	 	 	101	 
	 
	 	8.04	 	Notice of Material Events	 	 	101	 
	 
	 	8.05	 	Maintenance of Properties	 	 	102	 
	 
	 	8.06	 	Maintenance of Existence and Qualifications	 	 	102	 
	 
	 	8.07	 	Payment of Taxes, etc.	 	 	102	 
	 
	 	8.08	 	Insurance	 	 	102	 
	 
	 	8.09	 	Compliance with Law	 	 	102	 
	 
	 	8.10	 	Environmental Matters	 	 	102	 
	 
	 	8.11	 	Use of Proceeds	 	 	103	 
	 
	 	8.12	 	Additional Guarantors	 	 	103	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE IX. NEGATIVE COVENANTS OF BORROWERS	 	 	103	 
	 
	 	9.01	 	Indebtedness	 	 	103	 
	 
	 	9.02	 	Limitation on Liens	 	 	105	 
	 
	 	9.03	 	Fundamental Changes	 	 	105	 
	 
	 	9.04	 	Fundamental Changes of Canadian Borrowers	 	 	106	 
	 
	 	9.05	 	Transactions with Affiliates	 	 	106	 
	 
	 	9.06	 	Prohibited Contracts	 	 	106	 
	 
	 	9.07	 	Funded Debt to Total Capitalization	 	 	106	 
	 
	 	9.08	 	Devon Trust; Devon Trust Securities	 	 	107	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE X. EVENTS OF DEFAULT AND REMEDIES	 	 	107	 
	 
	 	10.01	 	Events of Default	 	 	107	 

ii

 

	 	 	 	 	 	 	 	 	 
	 	 	Section	 	 	 	Page	 
	 
	 	10.02	 	Remedies Upon Event of Default	 	 	109	 
	 
	 	10.03	 	Application of Funds Received from the Canadian Borrowers	 	 	110	 
	 
	 	10.04	 	Application of Funds Received from the US Borrower	 	 	111	 
	 
	 	10.05	 	Application of Funds Received under ULC Guaranty	 	 	111	 
	 
	 	10.06	 	Separate Obligations	 	 	112	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE XI. ADMINISTRATIVE AGENT	 	 	112	 
	 
	 	11.01	 	Appointment and Authorization of Administrative Agent	 	 	112	 
	 
	 	11.02	 	Delegation of Duties	 	 	113	 
	 
	 	11.03	 	Liability of Administrative Agent	 	 	113	 
	 
	 	11.04	 	Reliance by Administrative Agent	 	 	113	 
	 
	 	11.05	 	Notice of Default	 	 	114	 
	 
	 	11.06	 	Credit Decision; Disclosure of Information by Administrative Agent	 	 	114	 
	 
	 	11.07	 	Indemnification of Administrative Agent	 	 	115	 
	 
	 	11.08	 	Bank of America in its Individual Capacity	 	 	115	 
	 
	 	11.09	 	Successor Administrative Agent	 	 	115	 
	 
	 	11.10	 	Administrative Agent May File Proofs of Claim	 	 	116	 
	 
	 	11.11	 	Guaranty Matters	 	 	117	 
	 
	 	11.12	 	Arrangers and Managers	 	 	117	 
	 
	 	 	 	 	 	 	 	 
	ARTICLE XII. MISCELLANEOUS	 	 	117	 
	 
	 	12.01	 	Amendments, Etc	 	 	117	 
	 
	 	12.02	 	Notices and Other Communications; Facsimile Copies	 	 	119	 
	 
	 	12.03	 	No Waiver; Cumulative Remedies	 	 	121	 
	 
	 	12.04	 	Attorney Costs and Expenses	 	 	121	 
	 
	 	12.05	 	Indemnification by the US Borrower	 	 	121	 
	 
	 	12.06	 	Indemnification by Devon Canada	 	 	122	 
	 
	 	12.07	 	Payments Set Aside	 	 	123	 
	 
	 	12.08	 	Successors and Assigns	 	 	123	 
	 
	 	12.09	 	Confidentiality	 	 	128	 
	 
	 	12.10	 	Bank Accounts; Offset	 	 	129	 
	 
	 	12.11	 	Interest Rate Limitation	 	 	130	 
	 
	 	12.12	 	Counterparts	 	 	131	 
	 
	 	12.13	 	Integration	 	 	131	 
	 
	 	12.14	 	Survival of Representations and Warranties	 	 	131	 
	 
	 	12.15	 	Severability	 	 	131	 
	 
	 	12.16	 	Tax Forms	 	 	131	 
	 
	 	12.17	 	Replacement of Lenders	 	 	133	 
	 
	 	12.18	 	Governing Law	 	 	134	 
	 
	 	12.19	 	Waiver of Right to Trial by Jury	 	 	134	 
	 
	 	12.20	 	USA PATRIOT Act Notice	 	 	135	 
	 
	 	12.21	 	No Advisory or Fiduciary Responsibility	 	 	135	 
	 
	 	12.22	 	Special Provisions	 	 	136	 
	 
	 	12.23	 	ENTIRE AGREEMENT	 	 	136	 
	 
	 	 	 	 	 	 	 	 
	SIGNATURES	 	 	S-1	 

iii

 

SCHEDULES

	 	 	 	 	 
	 
	 	2.01	 	Commitments and Pro Rata Shares
	 
	 	7	 	Disclosure Schedule
	 
	 	10.02	 	Administrative Agent’s Office, Certain Addresses for Notices
	 
	 	12.08	 	Processing and Recordation Fees

EXHIBITS

	 	 	 	 	 
	 	 	 	 	Form of
	 
	 
	 	A (US)	 	US Committed Loan Notice
	 
	 	A(C)	 	Canadian Committed Loan Notice
	 
	 	B(US)-1	 	US Bid Request
	 
	 	B(C)-1	 	Canadian Bid Request
	 
	 	B(US)-2	 	US Competitive Bid
	 
	 	B(C)-2	 	Canadian Competitive Bid
	 
	 	C(US)	 	US Swing Line Loan Notice
	 
	 	C(C)	 	Canadian Swing Line Loan Notice
	 
	 	D-1	 	US Note
	 
	 	D-2	 	Canadian Note
	 
	 	E	 	Compliance Certificate
	 
	 	F	 	Assignment and Assumption
	 
	 	G(US)	 	Guaranty of the US Borrower
	 
	 	G(ULC)	 	Guaranty of Devon Financing ULC
	 
	 	H	 	Opinion Matters

iv

 

AMENDED AND RESTATED CREDIT AGREEMENT

     This AMENDED AND RESTATED CREDIT AGREEMENT (“Agreement”) is entered into on March 24,
2006, but effective as of the Effective Date (defined below), among DEVON ENERGY CORPORATION, a
Delaware corporation (the “US Borrower”), NORTHSTAR ENERGY CORPORATION, a Nova Scotia
unlimited company, and DEVON CANADA CORPORATION, a Nova Scotia unlimited company (collectively, the
“Canadian Borrowers,” and, together with US Borrower, the “Borrowers”), each lender
from time to time party hereto (collectively, the “Lenders” and individually, a
“Lender”), and BANK OF AMERICA, N.A., as Administrative Agent, Canadian Swing Line Lender,
US Swing Line Lender and L/C Issuer.

     The Borrowers have requested that the Lenders provide a revolving credit facility, and the
Lenders are willing to do so on the terms and conditions set forth herein.

     In consideration of the mutual covenants and agreements herein contained, the parties hereto
covenant and agree as follows:

ARTICLE I.

DEFINITIONS AND ACCOUNTING TERMS

     1.01 Defined Terms. As used in this Agreement, the following terms shall have the meanings set
forth below:

     “Absolute Rate” means a fixed rate of interest expressed in multiples of 1/100th of
one basis point.

     “Acquired Debt” means, with respect to any specified Person, (i) Indebtedness of any
other Person existing at the time such other Person is merged or amalgamated with or into or became
a Subsidiary of such specified Person, including and together with, without limitation,
Indebtedness incurred in connection with, or in contemplation of, such other Person merging or
amalgamating with or into or becoming a Subsidiary of such specified Person, and (ii) Indebtedness
secured by a Lien encumbering any assets acquired by such specified Person, and any refinancing of
the foregoing indebtedness on similar terms, taking into account current market conditions.

     “Administrative Agent” means, with respect to the Canadian Borrowers, Canadian Lenders
or the Canadian Subfacility, Bank of America, acting through its Canadian branch, and otherwise,
Bank of America, in each case in its capacity as administrative agent under any of the Loan
Documents, or any successor administrative agent.

     “Administrative Agent’s Office” means the Administrative Agent’s address and, as
appropriate, account as set forth on Schedule 12.02, or such other address or account as
the Administrative Agent may from time to time notify the Borrowers and the Lenders.

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

 

 

     “Affiliate” means, with respect to any Person, another Person that directly, or
indirectly through one or more intermediaries, Controls or is Controlled by or is under common
Control with the Person specified. “Control” means the possession, directly or indirectly,
of the power to direct or cause the direction of the management or policies of a Person, whether
through the ability to exercise voting power, by contract or otherwise. “Controlling” and
“Controlled” have meanings correlative thereto.

     “Agent-Related Persons” means the Administrative Agent, together with its Affiliates
(including, in the case of Bank of America in its capacity as the Administrative Agent, BAS), and
the officers, directors, employees, agents and attorneys-in-fact of such Persons and Affiliates.

     “Aggregate Canadian Commitments” means, at any time, the Canadian Commitments of all
Canadian Lenders at such time, which shall not exceed $500,000,000 in the aggregate.

     “Aggregate Commitments” means the Commitments of all the Lenders.

     “Aggregate US Commitments” means the US Commitments of all the Lenders.

     “Agreement” means this Amended and Restated Credit Agreement.

     “Applicable Currency” means (i) when used with respect to any US Loan or US L/C
Obligations, US Dollars, and (ii) when used with respect to any Canadian Prime Rate Loan, any
Canadian Dollar Eurodollar Rate Loan or any Bankers’ Acceptance, Canadian Dollars, and (iii) when
used with respect to any Canadian Base Rate Committed Loan or a Canadian US Eurodollar Rate
Committed Loan made under the Canadian SubFacility, US Dollars.

     “Applicable Rate” means, from time to time, the number of Basis Points per annum,
based upon the Debt Rating as set forth below:

	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Applicable	 	 	 	 	 	 
	 	 	 	 	 	 	Margin	 	 	 	 	 	 
	 	 	 	 	 	 	for LIBOR	 	 	 	 	 	 
	 	 	 	 	 	 	Loans,	 	 	 	 	 	 
	 	 	Senior	 	 	 	LC Fee and	 	All-In	 	 	 	All-In
	 	 	Unsecured	 	 	 	Stamping Fees	 	Drawn Cost	 	 	 	Drawn Cost
	Level	 	Debt Rating	 	Facility Fee	 	for BAs	 	(<50% Usage)	 	Utilization Fee	 	(>50% Usage)
	I
	 	3 A- / A3	 	5.0	 	20.0	 	25.0	 	5.0	 	30.0
	II
	 	BBB+ / Baa1	 	7.0	 	23.0	 	30.0	 	5.0	 	35.0
	III
	 	BBB / Baa2	 	9.0	 	31.0	 	40.0	 	5.0	 	45.0
	IV
	 	BBB- / Baa3	 	11.0	 	44.0	 	55.0	 	10.0	 	65.0
	V
	 	£ BB+ / Ba1	 	12.5	 	57.5	 	70.0	 	10.0	 	80.0

     “Debt Rating” means, as of any date of determination, the rating as
determined by either S&P or Moody’s (collectively, the “Debt Ratings”) of the US
Borrower’s non-

2

 

credit-enhanced, senior unsecured long-term debt; provided that if a
Debt Rating is issued by each of the foregoing rating agencies, then the higher of such Debt
Ratings shall apply (with the Debt Rating for Pricing Level I being the highest and the Debt
Rating for Pricing Level V being the lowest), unless there is a split in Debt Ratings of
more than one level, in which case the Pricing Level that is one level lower than the
Pricing Level of the higher Debt Rating shall apply.

Initially, the Applicable Rate shall be determined based upon the Debt Rating specified in the
certificate delivered pursuant to Section 6.01(a)(vi). Thereafter, each change in the
Applicable Rate resulting from a publicly announced change in the Debt Rating shall be effective
during the period commencing on the date of the public announcement thereof and ending on the date
immediately preceding the effective date of the next such change.

     “Assignment and Assumption” means an Assignment and Assumption substantially in the
form of Exhibit F.

     “Attorney Costs” means and includes all fees, expenses and disbursements of one US law
firm and one Canadian law firm.

     “Attributable Indebtedness” means, on any date, (a) in respect of any capital lease of
any Person, the capitalized amount thereof that would appear on a balance sheet of such Person
prepared as of such date in accordance with GAAP, and (b) in respect of any Synthetic Lease
Obligation, the capitalized amount of the remaining lease payments under the relevant lease that
would appear on a balance sheet of such Person prepared as of such date in accordance with GAAP if
such lease were accounted for as a capital lease.

     “Audited Financial Statements” means the audited consolidated balance sheet of the US
Borrower and its Subsidiaries for the Fiscal Year ended December 31, 2005, and the related
consolidated statements of income or operations, shareholders’ equity and cash flows for such
Fiscal Year of the US Borrower and its Subsidiaries, including the notes thereto.

     “Availability Period” means the period from and including the Effective Date to the
earliest of (a) the Maturity Date, (b) the date of termination of the Aggregate Commitments
pursuant to Section 4.10, and (c) the date of termination of the commitment of each Lender
to make Loans and of the obligation of each L/C Issuer to make L/C Credit Extensions pursuant to
Section 10.03.

     “BA Discount Rate” means, in respect of a BA being accepted by a Canadian Lender on
any date, (i) for a Canadian Lender that is listed in Schedule I to the Bank Act (Canada), the
average bankers’ acceptance rate as quoted on Reuters CDOR page (or such other page as may, from
time to time, replace such page on that service for the purpose of displaying quotations for
bankers’ acceptances accepted by leading Canadian financial institutions) at approximately 11:00
a.m. on such drawdown date for bankers’ acceptances having a comparable maturity date as the
maturity date of such BA (the “CDOR Rate”); or, if such rate is not available at or about such
time, the average of the bankers’ acceptance rates (expressed to five decimal places) as
quoted to the Administrative Agent by the Canadian Schedule I BA Reference Banks as of 11:00 a.m.
on such drawdown date for bankers’ acceptances having a comparable maturity date as the maturity
date of such BA; (ii) for a Canadian Lender that is listed in Schedule II to the Bank Act (Canada),
the rate established by the Administrative Agent to be the lesser of (A) the CDOR Rate plus 10
Basis Points; and (B) the average of the bankers’ acceptance rates (expressed to five decimal
places) as quoted to the Administrative Agent by the Canadian Schedule II BA Reference Banks as of
11:00 a.m. on

3

 

such drawdown date for bankers’ acceptances having a comparable maturity date as the
maturity date of such BA; and (iii) for a Canadian Lender that is listed in Schedule III to the
Bank Act (Canada), the rate established by the Administrative Agent to be the lesser of (A) the
CDOR Rate plus 10 Basis Points; and (B) the average of the bankers’ acceptance rates (expressed to
five decimal places) as quoted to the Administrative Agent by the Canadian Schedule III BA
Reference Banks as of 11:00 a.m. on such drawdown date for bankers’ acceptances having a comparable
maturity date as the maturity date of such BA.

     “BA Equivalent Advance” means a loan provided hereunder by a Canadian Lender in lieu
of accepting and purchasing a BA pursuant to Section 3.08.

     “Bank of America” means Bank of America, N.A. and its successors.

     “Bankers’ Acceptance” or “BA” means a Canadian Dollar draft of either Canadian
Borrower, in form acceptable to each accepting Canadian Lender, for, subject to the availability of
a market for Bankers’ Acceptances of such term, a term selected by Canadian Borrower of either 7 to
29, 30, 60, 90 or 180 days (as reduced or extended by the Administrative Agent, acting reasonably,
to allow the maturity thereof to fall on a Business Day) payable in Canada.

     “BAS” means Bank of America Securities LLC.

     “Basis Point” means one one-hundredth of one percent (0.01%).

     “Bid Request” means a US Bid Request or a Canadian Bid Request, as applicable.

     “Borrower” means any of the US Borrower and the Canadian Borrowers, and
“Borrowers” means all of them, collectively .

     “Borrower Materials” has the meaning specified in Section 8.02.

     “Borrowing” means a US Borrowing or a Canadian Borrowing.

     “Business Day” means any day other than a Saturday, Sunday or other day on which
commercial banks are authorized to close under the Laws of, or are in fact closed in, the state
where the Administrative Agent’s Office is located and with respect to the Canadian Subfacility
other than a day on which commercial banks are authorized to close under the Laws of, or are in
fact closed in, the province where the Administrative Agent’s Office is located and, (i) if such
day relates to any US Dollar Eurodollar Rate Loan, means any such day on which dealings in US
Dollar deposits are conducted by and between banks in the London interbank eurodollar market, (ii)
if such day relates to any Canadian Dollar Eurodollar Rate Loan, means any such day on
which dealings in Canadian Dollar deposits are conducted by and between banks in the London
interbank eurodollar market.

4

 

     “Canadian Absolute Rate Loan” means a Canadian Bid Loan that bears interest at a rate
determined with reference to an Absolute Rate.

     “Canadian Base Rate Committed Loan” means a Canadian Loan denominated in US Dollars
that bears interest based on the Canadian US Dollar Base Rate.

     “Canadian Bid Borrowing” means a borrowing consisting of simultaneous Canadian Bid
Loans of the same Type from each of the Canadian Lenders whose offer to make one or more Canadian
Bid Loans as part of such borrowing has been accepted under the auction bidding procedures
described in Section 3.03

     “Canadian Bid Loan” has the meaning specified in Section 3.03(a).

     “Canadian Bid Loan Lender” means, in respect of any Canadian Bid Loan, the Canadian
Lender making such Canadian Bid Loan to the applicable Canadian Borrower.

     “Canadian Bid Request” means a written request for one or more Canadian Bid Loans
substantially in the form of Exhibit B(C)-1.

     “Canadian Borrowers” has the meaning specified in the introductory paragraph hereto.

     “Canadian Borrowing” means a Canadian Committed Borrowing, a Canadian Bid Borrowing or
a Canadian Swing Line Borrowing, as the context may require.

     “Canadian Commitment” means, as to each Canadian Lender, its obligation to (a) make
Canadian Committed Loans to the Canadian Borrowers pursuant to Section 3.01, (b) purchase
participations in Canadian L/C Obligations, (c) purchase participations in Canadian Swing Line
Loans, and (d) accept or purchase Bankers’ Acceptances, in each case, in an aggregate principal
amount at any one time outstanding not to exceed its Pro Rata Share of the Aggregate Canadian
Commitment then in effect, or its Canadian Maximum Commitment.

     “Canadian Committed Borrowing” means a borrowing consisting of simultaneous Canadian
Committed Loans of the same Type or the acceptance or purchase of Bankers’ Acceptances and, in the
case of Canadian Eurodollar Rate Committed Loans and Canadian US Eurodollar Rate Committed Loans,
having the same Interest Period made by each of the Canadian Lenders pursuant to Section 3.01
or 3.09.

     “Canadian Committed Borrowing Notice” means a notice of (a) a Canadian Committed
Borrowing, (b) a conversion of Canadian Committed Loans from one Type to another, or (c) a
continuation of Canadian Eurodollar Rate Committed Loans or Canadian US Eurodollar Rate Committed
Loans, pursuant to Section 3.02(a), which, if in writing, shall be substantially in the
form of Exhibit A(C).

     “Canadian Committed Loan” has the meaning specified in Section 3.01.

5

 

     “Canadian Competitive Bid” means a written offer by a Canadian Lender to make one or
more Canadian Bid Loans, substantially in the form of Exhibit B(C)-2, duly completed and
signed by a Canadian Lender.

     “Canadian Credit Extension” means each of the following: (a) a Canadian Borrowing and
(b) a Canadian L/C Credit Extension.

     “Canadian Defaulting Lender” means any Canadian Lender that (a) has failed to fund any
Canadian Committed Loan, accept and purchase any Bankers’ Acceptance or fund any participation in
Canadian L/C Obligations or Canadian Swing Line Loans required to be funded or purchased by it
hereunder within one Business Day of the date required to be funded or purchased by it hereunder
and such failure has not been cured, (b) has otherwise failed to pay over to the Administrative
Agent or any other Canadian Lender any other amount required to be paid by it hereunder within one
Business Day of the date when due, unless the subject of a good faith dispute, and such failure has
not been cured, or (c) has been deemed insolvent or become the subject of a bankruptcy or
insolvency proceeding.

     “Canadian Discount Proceeds” means, in respect of each Bankers’ Acceptance, funds in
an amount which is equal to:

	 	 	 	 	 
	 

	 	Face Amount divided by the sum of 1 + (Rate x Term)  
	 	 
	 

	 	365     	 	 

(where “Face Amount” is the principal amount of the Bankers’ Acceptance being purchased,
“Rate” is the BA Discount Rate divided by 100 and “Term” is the number of days in the term of the
Bankers’ Acceptance.)

     “Canadian Dollar” and “C$” mean lawful money of Canada.

     “Canadian Dollar Eurodollar Rate” means for any Interest Period with respect to a
Canadian Dollar Eurodollar Rate Loan:

     (a) the rate per annum equal to the British Bankers Association LIBOR Rate (“BBA
CDN LIBOR”), as published by Reuters (or other commercially available source providing
quotations of BBA CDN LIBOR as designated by the Administrative Agent from time to time) at
approximately 11:00 a.m., London time, two Business Days prior to the commencement of such
Interest Period, for Canadian Dollar deposits (for delivery on the first day of such
Interest Period) with a term equivalent to such Interest Period, or

     (b) if the rate referenced in the preceding clause (a) is not available at such time
for any reason, then the “Canadian Dollar Eurodollar Rate” for such Interest Period shall be
the rate per annum determined by the Administrative Agent to be the rate at which deposits
in Canadian Dollars for delivery on the first day of such Interest Period in same day funds
in the approximate amount of the Canadian Dollar Eurodollar Rate Loan being made, continued
or converted by Bank of America (or, in the case of a Canadian Bid Loan, the applicable
Canadian Bid Loan Lender) and with a term equivalent to such Interest Period would be
offered by Bank of America’s (or such Canadian Bid Loan

6

 

Lender’s) London Branch to major banks in the London interbank eurodollar market at
their request at approximately 11:00 a.m. (London time) two Business Days prior to the
commencement of such Interest Period.

     “Canadian Dollar Eurodollar Rate Loan” means a Canadian Eurodollar Rate Committed Loan
or a Canadian Eurodollar Margin Bid Loan.

     “Canadian Eurodollar Bid Margin” means the margin above or below the Canadian Dollar
Eurodollar Rate to be added to or subtracted from the Canadian Dollar Eurodollar Rate, which margin
shall be expressed in multiples of 1/100th of one Basis Point.

     “Canadian Eurodollar Margin Bid Loan” means a Canadian Bid Loan that bears interest at
a rate based upon the Canadian Dollar Eurodollar Rate.

     “Canadian Eurodollar Rate Committed Loan” means a Canadian Committed Loan that bears
interest at a rate based on the Canadian Dollar Eurodollar Rate.

     “Canadian Guarantors” means, collectively, the US Borrower and Devon Financing ULC.

     “Canadian Guaranty” means (i) the guaranty of the Canadian Obligations made by Devon
Financing ULC in favor of the Administrative Agent on behalf of the Canadian Lenders under the ULC
Guaranty, and (ii) the guaranty of the Canadian Obligations made by the US Borrower in favor of the
Administrative Agent on behalf of the Canadian Lenders under the US Borrower Guaranty.

     “Canadian L/C Advance” means, with respect to each Canadian Lender, such Canadian
Lender’s funding of its participation in any Canadian L/C Borrowing in accordance with its Pro Rata
Share.

     “Canadian L/C Borrowing” means an extension of credit resulting from a drawing under
any Letter of Credit which has not been reimbursed on the date when made or refinanced as a
Canadian Committed Borrowing.

     “Canadian L/C Credit Extension” means, with respect to any Canadian Letter of Credit,
the issuance thereof or extension of the expiry date thereof, or the increase of the amount
thereof.

     “Canadian L/C Issuer” means (i) Bank of America, (ii) Royal Bank of Canada, or (iii)
any other Canadian Lender that may issue Canadian Letters of Credit hereunder, as mutually agreed
to by Administrative Agent and Canadian Borrowers and such Lender, in such Person’s capacity as
issuer of Canadian Letters of Credit hereunder, or any successor issuer of Canadian Letters of
Credit hereunder.

     “Canadian L/C Obligations” means, as at any date of determination, the aggregate
undrawn amount of all outstanding Canadian Letters of Credit plus the aggregate of all
Canadian Unreimbursed Amounts, including all Canadian L/C Borrowings. For all purposes of this
Agreement, if on any date of determination a Letter of Credit has expired by its terms but any

7

 

amount may still be drawn thereunder by reason of the operation of Rule 3.14 of the ISP, such
Letter of Credit shall be deemed to be “outstanding” in the amount so remaining available to be
drawn.

     “Canadian Lender” means each Lender designated as such on the signature pages hereto
or to the Assignment and Assumption pursuant to which such Lender became a party hereto, as
applicable, and the successors of each such party as the holder of Canadian Obligations.

     “Canadian Letter of Credit” means any Letter of Credit issued by the Canadian L/C
Issuer under Article III hereunder and shall include the Existing Canadian Letters of Credit. A
Letter of Credit may be a commercial letter of credit or a standby letter of credit.

     “Canadian Letter of Credit Application” means an application and agreement for the
issuance or amendment of a Canadian Letter of Credit in the form from time to time in use by the
Canadian L/C Issuer and acceptable to the Canadian Borrowers.

     “Canadian Letter of Credit Fee” has the meaning specified in Section 3.04(i).

     “Canadian Letter of Credit Sublimit” means an amount equal to US $500,000,000. The
Canadian Letter of Credit Sublimit is part of, and not in addition to, the Aggregate Canadian
Commitments.

     “Canadian Loan” means an extension of credit by a Canadian Lender to any Canadian
Borrower under Section 3.01 in the form of a Canadian Committed Loan, a Canadian Bid Loan
or a Canadian Swing Line Loan.

     “Canadian Maximum Commitment” means, as to each Canadian Lender, the amount set forth
on Schedule 2.01 and designated as such Canadian Lender’s “Canadian Maximum Commitment”, as such
amount may be adjusted from time to time in accordance with this Agreement.

     “Canadian Net Proceeds” means with respect to any Bankers’ Acceptance, the Canadian
Discount Proceeds less the amount equal to the applicable Canadian stamping fee payable with
respect thereto pursuant to Section 4.02.

     “Canadian Note” means a promissory note made by each Canadian Borrower in favor of a
Canadian Lender evidencing Canadian Loans made by such Canadian Lender, substantially in the form
of Exhibit D-2.

     “Canadian Obligations” means all Obligations arising under or with respect to the
Canadian SubFacility.

     “Canadian Payment Office” means the office of the Administrative Agent located at 200
Front Street West, Suite 2700, Toronto, Ontario or such other office as the Administrative Agent
may designate by written notice to the other parties hereto.

8

 

     “Canadian Prime Rate” means for any day a fluctuating rate per annum equal to the
higher of (a) the BA Discount Rate for Bank of America, acting through its Canadian branch, for
Bankers’ Acceptances having a maturity of thirty days plus the Applicable Rate, and (b) the rate of
interest in effect for such day as publicly announced from time to time by Bank of America, acting
through its Canadian branch, as its “reference rate” for Canadian Dollar commercial loans made to a
Person in Canada. The “reference rate” is a rate set by Bank of America based upon various factors
including Bank of America’s costs and desired return, general economic conditions and other
factors, and is used as a reference point for pricing some loans, which may be priced at, above, or
below such announced rate. Any change in such rate announced by Bank of America shall take effect
at the opening of business on the day specified in the public announcement of such change.

     “Canadian Prime Rate Committed Loan” means a Canadian Committed Loan that is a
Canadian Prime Rate Loan.

     “Canadian Prime Rate Loan” means a Canadian Loan denominated in Canadian Dollars that
bears interest at the Canadian Prime Rate.

     “Canadian Re-allocation” means a reallocation of the Aggregate Commitments pursuant to
Section 4.07.

     “Canadian Required Lenders” means, as of any date of determination, Canadian Lenders
having more than 50% of the Aggregate Canadian Commitments or, if the commitment of each Canadian
Lender to make Canadian Committed Loans, and the obligation of each Canadian L/C Issuer to make
Canadian L/C Credit Extensions have been terminated and the obligation of each Canadian Lender to
purchase or accept Bankers’ Acceptances has been terminated pursuant to Section 10.02,
Canadian Lenders holding in the aggregate more than 50% of the Total Canadian Outstandings (with
the aggregate amount of each Canadian Lender’s risk participation and funded participation in
Canadian L/C Obligations and Canadian Swing Line Loans being deemed “held” by such Canadian Lender
for purposes of this definition); provided that the Canadian Commitment of, and the portion
of the Total Canadian Outstandings held or deemed held by, any Canadian Defaulting Lender shall be
excluded for purposes of making a determination of Canadian Required Lenders.

     “Canadian Resident Lender” means a Person that (i) is not a non-resident of Canada for
the purposes of the Income Tax Act (Canada) or (ii) is an “authorized foreign bank” as defined in
subsection 248(1) of the Income Tax Act (Canada) which will receive all amounts paid or credited to
it with respect to Canadian Credit Extensions and other Canadian Obligations and fees and other
amounts payable in connection therewith in respect of its “Canadian banking business” for the
purposes of paragraph 212(13.3)(a) of the Income Tax Act (Canada).

     “Canadian Schedule I BA Reference Banks” means the Canadian Lenders listed in Schedule
I to the Bank Act (Canada) as are, at such time, designated by Administrative Agent, with the prior
consent of the Canadian Borrowers (acting reasonably), as the Schedule I BA Reference Banks.

9

 

     “Canadian Schedule II BA Reference Banks” means the Canadian Lenders listed in
Schedule II to the Bank Act (Canada) as are, at such time, designated by Administrative Agent, with
the prior consent of the Canadian Borrowers (acting reasonably), as the Canadian Schedule II BA
Reference Banks.

     “Canadian Schedule III BA Reference Banks” means the Canadian Lenders listed in
Schedule III to the Bank Act (Canada) as are, at such time, designated by Administrative Agent,
with the prior consent of the Canadian Borrowers (acting reasonably), as the Canadian Schedule III
BA Reference Banks.

     “Canadian Stamping Fee Rate” means with respect to any Bankers’ Acceptance accepted by
any Canadian Lender at any time, a percentage per annum equal to the Applicable Rate then in
effect.

     “Canadian SubFacility” means the Credit Extensions under Article III.

     “Canadian Swing Line” means the revolving credit facility made available by the
Canadian Swing Line Lender pursuant to Section 3.05.

     “Canadian Swing Line Borrowing” means a borrowing of a Canadian Swing Line Loan
pursuant to Section 3.05.

     “Canadian Swing Line Lender” means Bank of America, acting through its Canadian
branch, or any other Canadian Lender that may provide Canadian Swing Line Loans hereunder, as
mutually agreed to by Administrative Agent and Canadian Borrowers, in such Person’s capacity as
provider of Canadian Swing Line Loans hereunder, or any successor swing line lender hereunder.

     “Canadian Swing Line Loan” has the meaning specified in Section 3.05(a).

     “Canadian Swing Line Loan Notice” means a notice of a Canadian Swing Line Borrowing
pursuant to Section 3.05(b), which, if in writing, shall be substantially in the form of
Exhibit C(C).

     “Canadian Swing Line Rate” means on any day a fluctuating rate of interest per annum
established from time to time by Canadian Swing Line Lender as its money market rate for the
applicable currency, which rate may not be the lowest rate of interest charged by Canadian Swing
Line Lender to its customers, plus the Applicable Rate.

     “Canadian Swing Line Sublimit” means an amount equal to the lesser of (a) US
$50,000,000 and (b) the Aggregate Canadian Commitments. The Canadian Swing Line Sublimit is part
of, and not in addition to, the Aggregate Canadian Commitments.

     “Canadian Unreimbursed Amount” has the meaning specified in Section
3.04(c)(i).

     “Canadian US Dollar Base Rate” means for any day a fluctuating rate per annum equal to
the higher of (a) the Federal Funds Rate plus 50 Basis Points and (b) the rate of interest in
effect

10

 

for such day as publicly announced from time to time by Bank of America, acting through its
Canadian Branch, as its “reference rate” for US Dollar commercial loans made to a Person in Canada.
The “reference rate” is a rate set by Bank of America, acting through its Canadian branch, based
upon various factors including Bank of America’s costs and desired return, general economic
conditions and other factors, and is used as a reference point for pricing some loans, which may be
priced at, above, or below such announced rate. Any change in such rate announced by Bank of
America, acting through its Canadian branch, shall take effect at the opening of business on the
day specified in the public announcement of such change.

     “Canadian US Eurodollar Rate Committed Loan” means a Canadian Committed Loan that
bears interest at a rate based on the US Dollar Eurodollar Rate.

     “Cash Collateralize” means (i) with respect to US Letters of Credit, that the US
Borrower shall pledge and deposit with or deliver to the Administrative Agent, for the benefit of
the US L/C Issuer and the Lenders, as collateral for the US L/C Obligations, cash or deposit
account balances pursuant to documentation in form and substance reasonably satisfactory to the
Administrative Agent and the US L/C Issuer (which documents are hereby consented to by the
Lenders), (ii) with respect to Canadian Letters of Credit, that the applicable Canadian Borrower
shall pledge and deposit with or deliver to the Administrative Agent, for the benefit of the
Canadian L/C Issuer and the Canadian Lenders, as collateral for the Canadian L/C Obligations, cash
or deposit account balances pursuant to documentation in form and substance reasonably satisfactory
to the Administrative Agent and the Canadian L/C Issuer (which documents are hereby consented to by
the Canadian Lenders), and (iii) with respect to Bankers’ Acceptances, that the applicable Canadian
Borrower shall pledge and deposit with or deliver to the Administrative Agent for the benefit of
the Canadian Lenders, as collateral for the Outstanding Amount of Bankers’ Acceptances, cash or
deposit account balances pursuant to documentation in form and substance reasonably satisfactory to
the Administrative Agent (which documents are hereby consented to by the Canadian Lenders).
Derivatives of such term have corresponding meanings.

     “Change in Law” means, with respect to any Lender, the adoption of any law or change
in any existing Law or interpretation thereof after the date of this Agreement or, if such Lender
became a Lender hereunder after the date of this Agreement, after the date it became a Lender
hereunder.

     “Change of Control” means the occurrence of either of the following events: (i) any
Person (or syndicate or group of Persons which is deemed a “person” for the purposes of Section
13(d)(3) of the Securities Exchange Act of 1934, as amended), other than a Shareholder Controlled
Person, acquires more than fifty percent (50%) of the Voting Stock of the US Borrower, or (ii)
during any period of twelve successive months a majority of the Persons who were directors of US
Borrower at the beginning of such period or who were appointed, elected or nominated by a majority
of such directors cease to be directors of US Borrower, unless such cessation results from death or
permanent disability or relates to a voluntary reduction by US Borrower of the number of directors
that comprise the board of directors of US Borrower. As used in this definition, (i) the term
“Voting Stock” means with respect to any Person, the outstanding stock of such Person
having ordinary voting power (disregarding changes in voting

11

 

power based on the occurrence of contingencies) for the election of directors; and (ii) the
term “Shareholder Controlled Person” means a Person as to which more than fifty percent
(50%) of the Voting Stock is owned by Persons who owned more than fifty percent (50%) of the Voting
Stock of the US Borrower immediately before any acquisition described in clause (i) of this
definition.

     “Closing Date” means March 24, 2006.

     “Code” means the Internal Revenue Code of 1986.

     “Committed Loan Notice” means a US Committed Loan Notice or a Canadian Committed
Borrowing Notice, as applicable.

     “Committed Loans” means, collectively, the US Committed Loans and the Canadian
Committed Loans.

     “Commitment” means as to each Lender, the amount set forth opposite such Lender’s name
on Schedule 2.01 or in the Assignment and Assumption pursuant to which such Lender becomes
a party hereto, as applicable, and designated as such Lender’s “Commitment”, as such amount may be
adjusted from time to time in accordance with this Agreement, which, if applicable, also includes
such Lender’s Canadian Maximum Commitment.

     “Compliance Certificate” means a certificate substantially in the form of Exhibit
E.

     “Consolidated Assets” means the total assets of the US Borrower and its Subsidiaries
which would be shown as assets on a consolidated balance sheet of US Borrower prepared in
accordance with GAAP, after eliminating all amounts properly attributable to minority interest, if
any, in the stock and surplus of the Restricted Subsidiaries.

     “Consolidated Net Worth” means the sum (without duplication) of (i) the US Borrower’s
consolidated shareholder’s equity plus (ii) 60% of the outstanding balance of the Devon Trust
Securities. Consolidated Net Worth shall be calculated excluding non-cash write-downs and related
charges which are required under Rule 4-10 (Financial Accounting and Reporting for Oil and Gas
Producing Activities Pursuant to the Federal Securities Laws and the Energy Policy and Conservation
Act of 1975) of Regulation S-X, promulgated by SEC regulation, or by GAAP.

     “Consolidated Total Funded Debt” means the sum of (i) the consolidated Indebtedness of
US Borrower and its Subsidiaries referred to in clauses (a), (b), (c), (d) and (e) of the
definition of “Indebtedness” in Section 1.01, plus (ii) 40% of the outstanding balance of the Devon
Trust Securities, plus (iii) all Swap Funded Debt, plus (iv) all Synthetic Lease Funded Debt.
Consolidated Total Funded Debt shall not include the PennzEnergy Exchangeable Debentures.

     As used in this definition, (1) the term “Swap Funded Debt” means, in the event that
an Early Termination Date (as defined in the applicable Swap Contract) has occurred under a Swap
Contract resulting from (A) any event of default under such Swap Contract as to which any Borrower
or any Subsidiary is the Defaulting Party (as defined in such Swap Contract) or (B) any Termination
Event (as so defined) under such Swap Contract as to which any Borrower or

12

 

any Subsidiary is an Affected Party (as so defined), and the Uncontested Portion of the Swap
Termination Value for such Swap Contract that has not been paid within sixty (60) days after the
date when due exceeds US $150,000,000, the amount of such Uncontested Portion; and (2) the term
“Synthetic Lease Funded Debt” means, in the event that the US Borrower or any Subsidiary
(A) has failed to pay when due any Synthetic Lease Obligation, or (B) has failed to observe or
perform any other agreement or condition relating to any Synthetic Lease Obligation, or any other
event or condition occurs that permits the holders thereof to demand prepayment or redemption, and
the holder or holders thereof have demanded or caused such Synthetic Lease Obligation to become due
or to be prepaid or redeemed (automatically or otherwise), prior to its stated maturity and the
aggregate Uncontested Portion of the Attributable Indebtedness with respect to such Synthetic Lease
Obligations of the US Borrower and its Subsidiaries that has not been paid within 60 days after the
date when due exceeds US $150,000,000, the amount of such Uncontested Portion.

     “Contractual Obligation” means, as to any Person, any provision of any security issued
by such Person or of any agreement, instrument or other undertaking to which such Person is a party
or by which it or any of its property is bound.

     “Control” has the meaning specified in the definition of “Affiliate.”

     “Credit Extension” means each of the following: (a) a Borrowing and (b) a L/C Credit
Extension.

     “Debt Rating” has the meaning specified in the definition of “Applicable Rate.”

     “Debtor Relief Laws” means the Bankruptcy Code of the United States, and all other
liquidation, conservatorship, bankruptcy, assignment for the benefit of creditors, moratorium,
rearrangement, receivership, insolvency, reorganization, or similar debtor relief Laws of the
United States or other applicable jurisdictions from time to time in effect and affecting the
rights of creditors generally and with respect to the Canadian Borrowers, the Bankruptcy and
Insolvency Act (Canada), the Companies’ Creditors Arrangement Act (Canada), the Winding-up Act
(Canada) and all other liquidation, conservatorship, bankruptcy, assignment for the benefit of
creditors, moratorium, rearrangement, receivership, insolvency, reorganization, or similar debtor
relief Laws of Canada or other applicable jurisdictions from time to time in effect and affecting
the rights of creditors generally.

     “Default” means any event or condition that constitutes an Event of Default or that,
with the giving of any requisite notice and the passage of any requisite periods of time, would be
an Event of Default.

     “Defaulting Lender” means any Lender that (a) has failed to fund any portion of the US
Committed Loans, participations in US L/C Obligations or participations in US Swing Line Loans
required to be funded by it hereunder within one Business Day of the date required to be funded by
it hereunder and such failure has not been cured, (b) has otherwise failed to pay over to the
Administrative Agent or any other Lender any other amount required to be paid by it hereunder
within one Business Day of the date when due, unless the subject of a good faith

13

 

dispute, and such failure has not been cured, or (c) has been deemed insolvent or become the
subject of a bankruptcy or insolvency proceeding.

     “Devon Canada” means Devon Canada Corporation, a Nova Scotia unlimited company.

     “Devon Financing ULC” means Devon Financing Corporation, U.L.C., a Nova Scotia
unlimited company.

     “Devon Financing ULC Guaranties” means the Guaranties executed by Devon Financing ULC
and delivered to Administrative Agent pursuant to this Agreement.

     “Devon Oklahoma” means Devon Energy Corporation (Oklahoma), an Oklahoma corporation,
formerly known as Devon Energy Corporation, an Oklahoma corporation.

     “Devon Trust” means Devon Financing Trust II, a statutory business trust formed under
the laws of the State of Delaware.

     “Devon Trust Registration Statement” means the Registration Statement on Form S-3
filed by US Borrower under the Securities Act of 1933 on October 4, 2002 with respect to the
issuance by US Borrower of Common Stock, Preferred Stock, Debt Securities, Stock Purchase
Agreements and Stock Purchase Units, and the issuance by Devon Financing Trust II of Trust
Preferred Securities guaranteed by US Borrower, and the issuance by Devon Financing ULC of debt
securities guaranteed by the US Borrower, as amended, supplemented or replaced from time to time.

     “Devon Trust Securities” means those certain Trust Preferred Securities issuable by
Devon Trust, as described in the Devon Trust Registration Statement.

     “Disclosure Report” means a written notice given by a Responsible Officer of the US
Borrower to all Lenders or a certificate given by a Responsible Officer of the US Borrower under
Sections 8.02(a) and (b).

     “Disclosure Schedule” means Schedule 7 to this Agreement.

     “Domestic Subsidiary” means any Subsidiary that is organized under the laws of any
political subdivision of the United States.

     “Effective Date” has the meaning specified in Section 6.01.

     “Eligible Assignee” has the meaning specified in Section 12.08(g).

     “Environmental Laws” means any and all Federal, state, local, and foreign statutes,
laws, regulations, ordinances, rules, judgments, orders, decrees, permits, concessions, grants,
franchises, licenses, agreements or governmental restrictions relating to pollution and the
protection of the environment or the release of any materials into the environment, including those
related to hazardous substances or wastes, air emissions and discharges to waste or public systems.

14

 

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

     “ERISA” means the Employee Retirement Income Security Act of 1974.

     “ERISA Affiliate” means any trade or business (whether or not incorporated) under
common control with the US Borrower within the meaning of Section 414(b) or (c) of the Code (and
Sections 414(m) and (o) of the Code for purposes of provisions relating to Section 412 of the
Code).

     “ERISA Plan” means any “employee pension benefit plan” (as such term is defined in
Section 3(2) of ERISA), other than a Multiemployer Plan, that is subject to Title IV of ERISA and
is sponsored or maintained by the US Borrower or any ERISA Affiliate or to which the US Borrower or
any ERISA Affiliate contributes or has an obligation to contribute.

     “Event of Default” has the meaning specified in Section 10.01.

     “Existing Canadian Letters of Credit” means the Letters of Credit that were issued
under the Existing Credit Agreement.

     “Existing Credit Agreement” means the Credit Agreement dated as of April 8, 2004 among
the US Borrower, the Canadian Borrowers, Bank of America, as Administrative Agent, L/C Issuer,
Canadian Swing Line Lender, and US Swing Line Lender, and a syndicate of lenders.

     “Existing US Letters of Credit” means the Letters of Credit that were issued under the
Existing Credit Agreement. In addition, Existing US Letters of Credit shall include the following
letters of credit issued by Bank of America: (a) letter of credit number 3078785 in the amount of
US $43,700,000 issued for the benefit of Agencia Nacional Do Petroleo, Gas Natural E
Biocombustive is, with an expiration date of July 31, 2010, and (b) letter of credit number 3078786
in the amount of US $5,800,000 issued for the benefit of Agencia Nacional Do Petroleo, Gas Natural
E Biocombustive is, with an expiration date of July 31, 2010.

     “Federal Funds Rate” means, for any day, the rate per annum equal to the weighted
average of the rates on overnight Federal funds transactions with members of the Federal Reserve
System arranged by Federal funds brokers on such day, as published by the Federal Reserve Bank of
New York on the Business Day next succeeding such day; provided that (a) if such day is not
a Business Day, the Federal Funds Rate for such day shall be such rate on such transactions on the
next preceding Business Day as so published on the next succeeding Business Day, and (b) if no such
rate is so published on such next succeeding Business Day, the Federal

15

 

Funds Rate for such day shall be the average rate (rounded upward, if necessary, to a whole
multiple of 1/100 of 1%) charged to Bank of America on such day on such transactions as determined
by the Administrative Agent.

     “Fee Letter” means (i) with respect to the Administrative Agent fee, upfront fees,
certain arrangement fees, and the Letter of Credit fronting fees of Bank of America, as US L/C
Issuer and Canadian L/C Issuer, the letter agreement, dated February 15, 2006, among the US
Borrower, Bank of America, and BAS, (ii) with respect to certain arrangement fees and the Letter of
Credit fronting fees of JPMorgan, as US L/C Issuer, the letter agreement, dated February 15, 2006,
among the US Borrower, JPMorgan, and J.P. Morgan Securities Inc., and (iii) with respect to each
other L/C Issuer, the letter agreement between the Borrower and such L/C Issuer which sets forth
the fronting fee for Letters of Credit issued hereunder by such L/C Issuer.

     “Fiscal Quarter” means a three-month period ending on March 31, June 30, September 30
or December 31 of any year.

     “Fiscal Year” means a twelve-month period ending on December 31 of any year.

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

     “GAAP” means generally accepted accounting principles in the United States set forth
in the opinions and pronouncements of the Accounting Principles Board and the American Institute of
Certified Public Accountants and statements and pronouncements of the Financial Accounting
Standards Board and such other principles as may be approved by a significant segment of the
accounting profession in the United States, that are applicable to the circumstances as of the date
of determination, consistently applied.

     “Governmental Authority” means any nation or government, any state, province or other
political subdivision thereof, any agency, authority, instrumentality, regulatory body, court,
administrative tribunal, central bank or other entity exercising executive, legislative, judicial,
taxing, regulatory or administrative powers or functions of or pertaining to government.

     “Guarantee” means, as to any Person, (a) any obligation, contingent or otherwise, of
such Person guaranteeing or having the economic effect of guaranteeing any Indebtedness or other
obligation payable or performable by another Person (the “primary obligor”) in any manner, whether
directly or indirectly, and including any obligation of such Person, direct or indirect, (i) to
purchase or pay (or advance or supply funds for the purchase or payment of) such Indebtedness or
other obligation, (ii) to purchase or lease property, securities or services for the purpose of
assuring the obligee in respect of such Indebtedness or other obligation of the payment or
performance of such Indebtedness or other obligation, (iii) to maintain working capital, equity
capital or any other financial statement condition or liquidity or level of income or cash flow of
the primary obligor so as to enable the primary obligor to pay such Indebtedness or other
obligation, or (iv) entered into for the purpose of assuring in any other manner the obligee in
respect of such Indebtedness or other obligation of the payment or performance thereof or to
protect such obligee against loss in respect thereof (in whole or in part), or (b) any Lien on any

16

 

assets of such Person securing any Indebtedness or other obligation of any other Person,
whether or not such Indebtedness or other obligation is assumed by such Person, exclusive, in each
case, of endorsements 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 related primary
obligation, or portion thereof, in respect of which such Guarantee is made or, if not stated or
determinable, the maximum reasonably anticipated liability in respect thereof as determined by the
guaranteeing Person in good faith. The term “Guarantee” as a verb has a corresponding meaning.

     “Guaranties” means the US Guaranty and the Canadian Guaranties.

     “Guarantors” means the US Guarantor and the Canadian Guarantors.

     “Hazardous Materials” means all explosive or radioactive substances or wastes and all
hazardous or toxic substances, wastes or other pollutants, 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.

     “Indebtedness” means, as to any Person at a particular time, without duplication, all
of the following, whether or not included as indebtedness or liabilities in accordance with GAAP:

     (a) all obligations of such Person for borrowed money and all obligations of such
Person evidenced by bonds, debentures, notes, loan agreements or other similar instruments;

     (b) all obligations of such Person to pay the deferred purchase price of property or
services (other than trade accounts payable in the ordinary course of business);

     (c) indebtedness (excluding prepaid interest thereon) secured by a Lien on property
owned or being purchased by such Person (including indebtedness arising under conditional
sales or other title retention agreements), whether or not such indebtedness shall have been
assumed by such Person or is limited in recourse;

     (d) capital leases, but excluding customary oil, gas or mineral leases entered into in
the ordinary course of business;

     (e) all obligations with respect to payments received in consideration of oil, gas, or
other minerals yet to be acquired or produced at the time of payment (including obligations
under “take-or-pay” contracts to deliver gas in return for payments already received and the
undischarged balance of any production payment created by such Person or for the creation of
which such Person directly or indirectly received payment);

     (f) all direct or contingent obligations of such Person arising under standby letters
of credit and bankers’ acceptances;

     (g) net obligations of such Person under any Swap Contract;

17

 

     (h) Synthetic Lease Obligations; and

     (i) all Guarantees of such Person in respect of any of the foregoing.

     For all purposes hereof, the Indebtedness of any Person shall include the Indebtedness of any
partnership or joint venture (other than a joint venture that is itself a corporation or limited
liability company) in which such Person is a general partner or a joint venturer, unless such
Indebtedness is expressly made non-recourse to such Person. The amount of any net obligation under
any Swap Contract on any date shall be deemed to be the Swap Termination Value thereof as of such
date. The amount of any capital lease or Synthetic Lease Obligation as of any date shall be deemed
to be the amount of Attributable Indebtedness in respect thereof as of such date. The amount of
Indebtedness of any Person with respect to Indebtedness of others secured by a Lien to which the
property or assets owned or held by such Person is subject shall be equal, to the extent such
Indebtedness is otherwise non-recourse to such Person, to the lesser of the fair market value of
the property or assets subject to such Lien and the amount of the Indebtedness secured.

     “Indemnified Liabilities” has the meaning specified in Section 12.05.

     “Indemnitees” has the meaning specified in Section 12.05.

     “Interest Payment Date” means, (a) as to any Loan other than a US Base Rate Loan, a
Canadian Base Rate Committed Loan and a Canadian Prime Rate Loan, the last day of each Interest
Period applicable to such Loan and the Maturity Date; provided, however, that if any Interest
Period for a US Dollar Eurodollar Rate Loan or a Canadian US Eurodollar Rate Committed Loan exceeds
three months, the respective dates that fall every three months after the beginning of such
Interest Period shall also be Interest Payment Dates; and (b) as to any US Base Rate Loan, Canadian
Base Rate Committed Loan or Canadian Prime Rate Loan (including a US Swing Line Loan and a Canadian
Swing Line Loan), the last Business Day of each March, June, September and December and the
Maturity Date.

     “Interest Period” means (a) as to each US Dollar Eurodollar Rate Loan, each Canadian
Dollar Eurodollar Rate Loan and each Canadian US Eurodollar Rate Committed Loan, the period
commencing on the date such Loan is disbursed or (in the case of any US Eurodollar Rate Committed
Loan, Canadian Eurodollar Rate Committed Loan or US Eurodollar Rate Committed Loan) converted to or
continued as a US Dollar Eurodollar Rate Loan or a Canadian Eurodollar Rate Committed Loan or US
Eurodollar Rate Committed Loan, respectively, and ending on the date one, two, three, six or , if
available, nine or twelve months thereafter, as selected by the applicable Borrower in its
Committed Loan Notice or Bid Request, as the case may be; and (b) as to each US Absolute Rate Loan
and each Canadian Absolute Rate Loan, a period of not less than 14 days and not more than 180 days
as selected by the applicable Borrower in its Bid Request; provided that:

     (i) any Interest Period that would otherwise end on a day that is not a Business Day
shall be extended to the next succeeding Business Day unless, in the case of a US Dollar
Eurodollar Rate Loan, Canadian Dollar Eurodollar Rate Loan or Canadian

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US Eurodollar Rate Committed Loan, such Business Day falls in another calendar month,
in which case such Interest Period shall end on the next preceding Business Day;

     (ii) any Interest Period pertaining to a US Dollar Eurodollar Rate Loan, Canadian
Dollar Eurodollar Rate Loan or a Canadian US Eurodollar Rate Committed Loan that 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 the calendar month at the end of such Interest Period; and

     (iii) no Interest Period shall extend beyond the Maturity Date.

     “IRS” means the United States Internal Revenue Service.

     “ISP” means, with respect to any Letter of Credit, the “International Standby
Practices 1998” published by the Institute of International Banking Law & Practice (or such later
version thereof as may be in effect at the time of issuance).

     “Issuer Documents” means (a) with respect to any US Letter of Credit, the US Letter of
Credit Application, and any other document, agreement and instrument entered into by the US L/C
Issuer and the US Borrower (or any Subsidiary) or in favor of the US L/C Issuer and relating to any
such US Letter of Credit, and (b) with respect to any Canadian Letter of Credit, the Canadian
Letter of Credit Application, and any other document, agreement and instrument entered into by the
Canadian L/C Issuer and any Canadian Borrower (or any Subsidiary) or in favor of the Canadian L/C
Issuer and relating to any such Canadian Letter of Credit.

     “Joint Lead Arrangers” means BAS and J.P. Morgan Securities Inc., in their capacities
as joint lead arrangers and book managers.

     “JPMorgan” means JPMorgan Chase Bank, N.A. and its successors.

     “L/C Credit Extension” means a US L/C Credit Extension or a Canadian L/C Credit
Extension.

     “L/C Issuance Global Sublimit” means, with respect to a L/C Issuer (and, if
applicable, its Canadian Affiliate), the maximum amount of L/C Obligations that such L/C Issuer has
agreed to incur pursuant to this Agreement in such capacity, as such amount is mutually agreed to
by Administrative Agent, the Borrowers, and such L/C Issuer. The initial L/C Issuance Global
Sublimit with respect to Bank of America is the amount of US $1,000,000,000, with respect to
JPMorgan is the amount of US $1,000,000,000, and with respect to Royal Bank of Canada is the amount
of US $500,000,000.

     “L/C Issuer” means a US L/C Issuer or a Canadian L/C Issuer.

     “L/C Obligations” means, collectively, the US L/C Obligations and the Canadian L/C
Obligations.

19

 

     “Laws” means, collectively, all international, foreign, federal, state, provincial and
local statutes, treaties, rules, guidelines, regulations, ordinances, codes and administrative or
judicial precedents or authorities, including the interpretation or administration thereof by any
Governmental Authority charged with the enforcement, interpretation or administration thereof, and
all applicable administrative orders, directed duties, requests, licenses, authorizations and
permits of, and agreements with, any Governmental Authority.

     “Lenders” means all Lenders (including the applicable Lenders in their capacity as
Canadian Lenders) and includes the US L/C Issuer, the Canadian L/C Issuer, and the US Swing Line
Lender and the Canadian Swing Line Lender, and “Lender” means any one of them.

     “Lending Office” means, as to any Lender, the office or offices of such Lender
described as such in such Lender’s Administrative Questionnaire, or such other office or offices as
a Lender may from time to time notify the Borrowers and the Administrative Agent.

     “Letter of Credit” means a US Letter of Credit or a Canadian Letter of Credit.

     “Letter of Credit Expiration Date” means the day that is seven days prior to the
Maturity Date then in effect (or, if such day is not a Business Day, the next preceding Business
Day).

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

     “Loan” means a US Loan or a Canadian Loan.

     “Loan Documents” means this Agreement, each Note, each Issuer Document, the Fee
Letter, the BAs and the Guaranties.

     “Loan Parties” means, collectively, the Borrowers and each Guarantor.

     “Margin Stock” means “margin stock” as defined in Reg U.

     “Material Adverse Effect” means (a) a material adverse change in, or a material
adverse effect upon, the operations, business, properties, or financial condition of the US
Borrower and its Subsidiaries taken as a whole; (b) a material impairment of the ability of any
Loan Party to perform its payment obligations under any Loan Document to which it is a party; or
(c) a material adverse effect upon the legality, validity, binding effect or enforceability against
any Loan Party of any Loan Document to which it is a party.

     “Material Subsidiary” means a Subsidiary of US Borrower which owns assets having a
book value that exceeds ten percent (10%) of the book value of US Borrower’s Consolidated Assets.

20

 

     “Maturity Date” means the later of (a) April 7, 2011, and (b) if maturity is extended
pursuant to Section 4.08, such extended maturity date as determined pursuant to Section 4.08 (it
being understood and agreed that any such maturity shall not be deemed extended for any Lender that
has not consented to such extension).

     “Moody’s” means Moody’s Investors Service, Inc. and any successor thereto.

     “Multiemployer Plan” means any employee benefit plan of the type described in Section
4001(a)(3) of ERISA, to which the US Borrower or any ERISA Affiliate makes or is obligated to make
contributions, or during the preceding five plan years, has made or been obligated to make
contributions.

     “Non-US Lender” has the meaning specified in Section 12.16(a)(i).

     “Northstar Energy” means Northstar Energy Corporation, a Nova Scotia unlimited
company.

     “Note” means a US Note or a Canadian Note.

     “Obligations” means all advances to, and debts, liabilities, obligations, covenants
and duties of, any Loan Party arising under any Loan Document or otherwise with respect to any Loan
or Letter of Credit, whether direct or indirect (including those acquired by assumption), absolute
or contingent, due or to become due, now existing or hereafter arising and including interest and
fees that accrue after the commencement by or against any Loan Party or any Affiliate thereof of
any proceeding under any Debtor Relief Laws naming such Person as the debtor in such proceeding,
regardless of whether such interest and fees are allowed claims in such proceeding.

     “Organization Documents” means, (a) with respect to any corporation, the certificate
or articles of incorporation and the bylaws (or equivalent or comparable constitutive documents
with respect to any non-U.S. jurisdiction); (b) with respect to any limited liability company, the
certificate or articles of formation or organization and operating agreement; and (c) with respect
to any partnership, joint venture, trust or other form of business entity, the partnership, joint
venture or other applicable agreement of formation or organization and any agreement, instrument,
filing or notice with respect thereto filed in connection with its formation or organization with
the applicable Governmental Authority in the jurisdiction of its formation or organization and, if
applicable, any certificate or articles of formation or organization of such entity.

     “Other Taxes” has the meaning specified in Section 5.01(b).

     “Outstanding Amount” means (i) with respect to US Committed Loans, US Bid Loans, and
US Swing Line Loans on any date, the aggregate outstanding principal amount thereof after giving
effect to any borrowings and prepayments or repayments of US Committed Loans, US Bid Loans, and US
Swing Line Loans, as the case may be, occurring on such date; (ii) with respect to any US L/C
Obligations on any date, the amount of such US L/C Obligations on such date after giving effect to
any US L/C Credit Extension occurring on such date and any other

21

 

changes in the aggregate amount of the US L/C Obligations as of such date, including as a
result of any reimbursements of outstanding unpaid drawings under any US Letters of Credit or any
reductions in the maximum amount available for drawing under US Letters of Credit taking effect on
such date; (iii) with respect to Canadian Committed Loans, Canadian Bid Loans, and Canadian Swing
Line Loans on any date, the aggregate outstanding principal amount thereof after giving effect to
any borrowings and prepayments or repayments of Canadian Committed Loans, Canadian Bid Loans, and
Canadian Swing Line Loans, as the case may be, occurring on such date; and (iv) with respect to any
Canadian L/C Obligations on any date, the amount of such Canadian L/C Obligations on such date
after giving effect to any Canadian L/C Credit Extension occurring on such date and any other
changes in the aggregate amount of the Canadian L/C Obligations as of such date, including as a
result of any reimbursements of outstanding unpaid drawings under any Canadian Letters of Credit or
any reductions in the maximum amount available for drawing under Canadian Letters of Credit taking
effect on such date, and (v) with respect to any Bankers’ Acceptances, the aggregate outstanding
face amount of such Bankers’ Acceptances after giving effect to the acceptances, maturities and
rollovers thereof on such date.

     “Participant” has the meaning specified in Section 12.08(d).

     “PennzEnergy Exchangeable Debentures” means the following Exchangeable Debentures of
PennzEnergy Company, which were issued prior to the merger of PennzEnergy Company with and into US
Borrower:

          (a) 4.90% Exchangeable Senior Debentures due August 15, 2008 in the aggregate principal amount
of US $443,807,000; and

          (b) 4.95% Exchangeable Senior Debentures due August 15, 2008 in the aggregate principal amount
of US $316,506,000.

     “Permitted Liens” means:

    (a) Liens for taxes, assessments or governmental charges which are not due or
delinquent, or the validity of which any Restricted Person shall be contesting in good
faith; provided such Restricted Person shall have made adequate provision therefor in
accordance with GAAP;

    (b) the Lien of any judgment rendered, or claim filed, against any Restricted Person
which does not constitute an Event of Default and which such Restricted Person shall be
contesting in good faith; provided such Restricted Person shall have made adequate provision
therefor in accordance with GAAP;

    (c) Liens, privileges or other charges imposed or permitted by law such as statutory
liens and deemed trusts, carriers’ liens, builders’ liens, materialmens’ liens and other
liens, privileges or other charges of a similar nature which relate to obligations not due
or delinquent, including any lien or trust arising in connection with workers’ compensation,
unemployment insurance, pension, employment and similar laws or regulations;

22

 

     (d) Liens arising in the ordinary course of and incidental to construction, maintenance
or current operations which have not been filed pursuant to law against any Restricted
Person or in respect of which no steps or proceedings to enforce such lien have been
initiated or which relate to obligations which are not due or delinquent or if due or
delinquent, which such Restricted Person shall be contesting in good faith; provided such
Restricted Person shall have made adequate provision therefor in accordance with GAAP;

     (e) Liens incurred or created in the ordinary course of business and in accordance with
sound oil and gas industry practice in respect of the exploration, development or operation
of oil and gas properties or related production or processing facilities or the transmission
of petroleum substances as security in favor of any other Person conducting the exploration,
development, operation or transmission of the property to which such Liens relate, for any
Restricted Person’s portion of the costs and expenses of such exploration, development,
operation or transmission, provided that such costs or expenses are not due or delinquent
or, if due or delinquent, which such Restricted Person shall be contesting in good faith;
provided such Restricted Person shall have made adequate provision therefor in accordance
with GAAP;

     (f) overriding royalty interests, net profit interests, reversionary interests and
carried interests or other similar burdens on production in respect of any Restricted
Person’s oil and gas properties that are entered into with or granted to arm’s length third
parties in the ordinary course of business and in accordance with sound oil and gas industry
practice in the area of operation;

     (g) Liens for penalties arising under non-participation provisions of operating
agreements in respect of any Restricted Person’s oil and gas properties if such Liens do not
materially detract from the value of any material part of the property of the Restricted
Persons taken as a whole;

     (h) easements, rights-of-way, servitudes, zoning or other similar rights or
restrictions in respect of land held by any Restricted Person (including, without
limitation, rights-of-way and servitudes for railways, sewers, drains, pipe lines, gas and
water mains, electric light and power and telephone or telegraph or cable television
conduits, poles, wires and cables) which, either alone or in the aggregate, do not
materially detract from the value of such land or materially impair its use in the operation
of the business of the Restricted Persons taken as a whole;

     (i) security given by the Restricted Persons to a public utility or any Governmental
Authority when required by such public utility or Governmental Authority in the ordinary
course of the business of the Restricted Persons in connection with operations of the
Restricted Persons if such security does not, either alone or in the aggregate, materially
detract from the value of any material part of the property of the Restricted Persons taken
as a whole;

23

 

     (j) the right reserved to or vested in any Governmental Authority by the terms of any
lease, license, grant or permit or by any statutory or regulatory provision to terminate any
such lease, license, grant or permit or to require annual or other periodic payments as a
condition of the continuance thereof;

     (k) all reservations in the original grant of any lands and premises or any interests
therein and all statutory exceptions, qualifications and reservations in respect of title;

     (l) any Lien from time to time disclosed by any Restricted Person to the Administrative
Agent which is consented to by the Required Lenders;

     (m) any right of first refusal in favor of any Person granted in the ordinary course of
business with respect to all or any of the oil and gas properties of any Restricted Person;

     (n) Liens on cash or marketable securities of any Restricted Persons granted in
connection with any Swap Contract permitted under this Agreement;

     (o) Liens in respect of Indebtedness permitted by Sections 9.01(b), 9.01(f), 9.01(h)
and Indebtedness permitted to be secured by Section 9.01(c);

     (p) Liens in favor of the Administrative Agent for the benefit of the Lenders and the
L/C Issuer;

     (q) Liens to collateralize moneys held in a cash collateral account by a lender in
respect of the prepayment of bankers’ acceptances, letters of credit or similar obligations
accepted or issued by such lender but only if at the time of such prepayment no default or
event of default has occurred and is continuing under the credit facility pursuant to which
the bankers’ acceptances or letters of credit have been accepted or issued;

     (r) purchase money Liens upon or in any tangible personal property and fixtures
(including real property surface rights upon which such fixtures are located and contractual
rights and receivables relating to such property) acquired by any Restricted Person in the
ordinary course of business to secure the purchase price of such property or to secure
Indebtedness incurred solely for the purpose of financing the acquisition of such property,
including any Liens existing on such property at the time of its acquisition (other than any
such Lien created in contemplation of any such acquisition);

     (s) the rights of buyers under production sale contracts related to any Restricted
Person’s share of petroleum substances entered into in the ordinary course of business,
provided that the contracts create no rights (including any Lien) in favor of the buyer or
any other Person in, to or over any reserves of petroleum substances or other assets of any
Restricted Person, other than a dedication of reserves (not by way of Lien or absolute
assignment) on usual industry terms;

24

 

     (t) Liens arising in respect of operating leases of personal property under which
Canadian Borrowers or any of their Subsidiaries, or any other Subsidiaries of US Borrower
that are incorporated or organized in Canada or one of the provinces thereof, are lessees;

     (u) Liens on property of a Person existing at the time such Person becomes a Restricted
Subsidiary, is merged into or amalgamated or consolidated with US Borrower or any Restricted
Subsidiary, provided, such Liens were in existence prior to the contemplation of such stock
acquisition, merger, amalgamation or consolidation and do not extend to any assets other
than those of the Person so acquired or merged into or amalgamated or consolidated with US
Borrower or any Restricted Subsidiary;

     (v) any extension, renewal or replacement (or successive extensions, renewals or
replacements), as a whole or in part, of any Lien referred to in the preceding paragraphs
(a) to (u) inclusive of this definition, so long as any such extension, renewal or
replacement of such Lien is limited to all or any part of the same property that secured the
Lien extended, renewed or replaced (plus improvements on such property), the indebtedness or
obligation secured thereby is not increased (except for the purpose of paying any prepayment
premium or any fees and expenses incurred in connection with any such extension, renewal or
replacement) and such Lien is otherwise permitted by the applicable section above;

     (w) Liens on Margin Stock;

     (x) in addition to Liens permitted by clauses (a) through (w) above, Liens on property
or assets if the aggregate liabilities secured thereby do not exceed two percent (2%) of
Consolidated Assets;

provided that nothing in this definition shall in and of itself constitute or be deemed to
constitute an agreement or acknowledgment by the Administrative Agent or any Lender that the
Indebtedness subject to or secured by any such Permitted Lien ranks (apart from the effect of any
Lien included in or inherent in any such Permitted Liens) in priority to the Obligations.

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

     “Platform” has the meaning specified in Section 8.02.

     “Pro Rata Share” means, (a) with respect to each Lender and the Credit Extensions at
any time, a fraction (expressed as a percentage and carried to the ninth decimal place) the
numerator of which is the amount of the Commitment of such Lender at such time and the denominator
of which is the Aggregate Commitment at such time, (b) with respect to the US Credit Extensions of
each Lender at any time, a fraction (expressed as a percentage, carried out to the ninth decimal
place), the numerator of which is the amount of the US Commitment of such Lender at such time and
the denominator of which is the amount of the Aggregate US Commitments at such time,

25

 

and (c) with respect to the Canadian Credit Extensions of each Canadian Lender at any time, a
fraction (expressed as a percentage, carried out to the ninth decimal place), the numerator of
which is the amount of the Canadian Commitment of such Canadian Lender at such time and the
denominator of which is the amount of the Aggregate Canadian Commitments at such time;
provided that if the commitment of each Lender to make Loans and the obligation of each L/C
Issuer to make L/C Credit Extensions and the obligation to accept and purchase BAs have been
terminated pursuant to Section 10.02, then the Pro Rata Share of each Lender shall be
determined based on the Pro Rata Share of such Lender immediately prior to such termination and
after giving effect to any subsequent assignments made pursuant to the terms hereof. The initial
Pro Rata Share of each Lender is set forth opposite the name of such Lender on Schedule
2.01 or in the Assignment and Assumption pursuant to which such Lender becomes a party hereto,
as applicable.

     “Register” has the meaning specified in Section 12.08(c).

     “Reg U” means Regulation U promulgated by the Board of Governors of the Federal
Reserve System.

     “Reportable Event” means any of the events set forth in Section 4043(c) of ERISA,
other than events for which the 30 day notice period has been waived.

     “Request for Credit Extension” means each Request for US Credit Extension and each
Request for Canadian Credit Extension.

     “Request for Canadian Credit Extension” means (a) with respect to a Canadian
Borrowing, or a conversion or continuation of Canadian Committed Loans, a Canadian Committed
Borrowing Notice, (b) with respect to a Canadian Bid Loan, a Candian Bid Request, (c) with respect
to a Canadian L/C Credit Extension, a Canadian Letter of Credit Application, and (d) with respect
to a Canadian Swing Line Loan, a Canadian Swing Line Loan Notice.

     “Request for US Credit Extension” means (a) with respect to a US Borrowing, conversion
or continuation of US Committed Loans, a US Committed Loan Notice, (b) with respect to a US Bid
Loan, a US Bid Request, (c) with respect to a US L/C Credit Extension, a US Letter of Credit
Application, and (d) with respect to a US Swing Line Loan, a US Swing Line Loan Notice.

     “Required Lenders” means, as of any date of determination, Lenders having more than
50% of the Aggregate Commitments or, if the commitment of each Lender to make Loans and the
obligation of each L/C Issuer to make L/C Credit Extensions have been terminated pursuant to
Section 10.02, Lenders holding in the aggregate more than 50% of the Total Outstandings
(with the aggregate amount of each Lender’s risk participation and funded participation in L/C
Obligations and Swing Line Loans being deemed “held” by such Lender for purposes of this
definition); provided that the Commitment of, and the portion of the Total Outstandings
held or deemed held by, any Defaulting Lender shall be excluded for purposes of making a
determination of Required Lenders.

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

     “Restricted Payment” means any dividend or other distribution (whether in cash,
securities or other property) with respect to any capital stock or other equity interest of the US
Borrower or any Subsidiary, or any payment (whether in cash, securities or other property),
including any sinking fund or similar deposit, on account of the purchase, redemption, retirement,
acquisition, cancellation or termination of any such capital stock or other equity interest or of
any option, warrant or other right to acquire any such capital stock or other equity interest.

     “Restricted Person” means any of the US Borrower and the Restricted Subsidiaries.

     “Restricted Subsidiary” means each of the Canadian Borrowers, Devon Oklahoma, Devon
Financing ULC, Devon Trust and any other Material Subsidiary of US Borrower.

     “S&P” means Standard & Poor’s Ratings Services, a division of the McGraw-Hill
Companies, Inc. and any successor thereto.

     “SEC” means the United States Securities and Exchange Commission, or any Governmental
Authority succeeding to any of its principal functions.

     “SEC Filings” has the meaning specified in Section 7.06.

     “Shareholders’ Equity” means, as of any date of determination, consolidated
shareholders’ equity of the US Borrower and its Subsidiaries as of that date determined in
accordance with GAAP.

     “Subordinated US Borrower Debentures” means those certain Convertible Junior
Subordinated Debentures which may be issued by the US Borrower to Devon Trust , as described in the
Devon Trust Registration Statement, which will be subordinate to the Obligations.

     “Subsidiary” of a Person means a corporation, partnership, joint venture, limited
liability company, unlimited liability company, or other business entity of which a majority of the
shares of securities or other interests having ordinary voting power for the election of directors
or other governing body (other than securities or interests having such power only by reason of the
happening of a contingency) are at the time beneficially owned, or the management of which is
otherwise controlled, directly, or indirectly through one or more intermediaries, or both, by such
Person; provided that (a) associations, joint ventures or other relationships (i) which are
established pursuant to a standard form operating agreement or similar agreement or which are
partnerships for purposes of federal income taxation only, (ii) which are not corporations or
partnerships (or subject to the Uniform Partnership Act) under applicable state Law, and (iii)

27

 

whose businesses are limited to the exploration, development and operation of oil, gas or
mineral properties, transportation and related facilities and interests owned directly by the
parties in such associations, joint ventures or relationships, shall not be deemed to be
“Subsidiaries” of such Person, and (b) associations, joint ventures or other relationships (i)
which are not corporations or partnerships under applicable provincial Law, and (ii) whose
businesses are limited to the exploration, development and operation of oil, gas or mineral
properties, transportation and related facilities and interests owned directly by the parties in
such associations, joint ventures or relationships, shall not be deemed to be “Subsidiaries” of
such Person. Unless otherwise specified, all references herein to a “Subsidiary” or to
“Subsidiaries” shall refer to a Subsidiary or Subsidiaries of the US Borrower.

     “Swap Contract” means (a) any and all rate swap transactions, basis swaps, credit
derivative transactions, forward rate transactions, commodity swaps, commodity options, forward
commodity contracts, equity or equity index swaps or options, bond or bond price or bond index
swaps or options or forward bond or forward bond price or forward bond index transactions, interest
rate options, forward foreign exchange transactions, cap transactions, floor transactions, collar
transactions, currency swap transactions, cross-currency rate swap transactions, currency options,
spot contracts, or any other similar transactions or any combination of any of the foregoing
(including any options to enter into any of the foregoing), whether or not any such transaction is
governed by or subject to any master agreement, and (b) any and all transactions of any kind, and
the related confirmations, which are subject to the terms and conditions of, or governed by, any
form of master agreement published by the International Swaps and Derivatives Association, Inc.,
any International Foreign Exchange Master Agreement, or any other master agreement (any such master
agreement, together with any related schedules, a “Master Agreement”), including any such
obligations or liabilities under any Master Agreement.

     “Swap Termination Value” means, in respect of any one or more Swap Contracts, after
taking into account the effect of any legally enforceable netting agreement relating to such Swap
Contracts, (a) for any date on or after the date such Swap Contracts have been closed out and
termination value(s) determined in accordance therewith, such termination value(s), and (b) for any
date prior to the date referenced in clause (a), the amount(s) determined as the mark-to-market
value(s) for such Swap Contracts, as determined based upon one or more mid-market or other readily
available quotations provided by any recognized dealer in such Swap Contracts (which may include a
Lender or any Affiliate of a Lender).

     “Swing Line Loans” means, collectively, the US Swing Ling Loans and the Canadian Swing
Line Loans.

     “Synthetic Lease Obligation” means the monetary obligation of a Person under (a) a
so-called synthetic, off-balance sheet or tax retention lease, or (b) an agreement for the use or
possession of property creating obligations that do not appear on the balance sheet of such Person
but which, upon the insolvency or bankruptcy of such Person, would be characterized as the
indebtedness of such Person (without regard to accounting treatment), other than obligations under
(i) the Production Platform Lease Agreement 2002-1, dated as of June 27, 2002, between Devon Energy
Production Company, L.P., an Oklahoma limited partnership and successor by

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merger to Devon Louisiana Corporation (“DEPCO”), as lessee, and Ocean Energy/Boomvang
Platform Statutory Trust 2002-1, a Delaware statutory business trust, as lessor, the Operative
Documents (as defined therein) and the Other Operative Documents (as defined therein), (ii) the
Production Platform Lease Agreement 2002-2, dated as of June 27, 2002, between DEPCO, as lessee,
and Ocean Energy/Boomvang Platform Statutory Trust 2002-2, a Delaware statutory business trust, as
lessor, the Operative Documents (as defined therein) and the Other Operative Documents (as defined
therein), (iii) the Production Platform Lease Agreement 2002-1, dated as of January 29, 2002,
between Devon Louisiana, as lessee, and Ocean Energy/Nansen Platform Statutory Trust 2002-1, a
Delaware statutory business trust, as lessor, the Operative Documents (as defined therein) and the
Other Operative Documents (as defined therein), and (iv) the Production Platform Lease Agreement
2002-2, dated as of January 29, 2002, between DEPCO, as lessee, and Ocean Energy/Nansen Platform
Statutory Trust 2002-2, a Delaware statutory business trust, as lessor, the Operative Documents (as
defined therein) and the Other Operative Documents (as defined therein), in each case, as amended,
supplemented, amended and restated, refinanced or replaced from time to time.

     “Taxes” has the meaning specified in Section 5.01(a).

     “Termination Event” means (a) the occurrence with respect to any ERISA Plan of (i) a
reportable event described in Sections 4043(c)(5) or (6) of ERISA or (ii) any other reportable
event described in Section 4043(c) of ERISA other than a reportable event not subject to the
provision for 30-day notice to the Pension Benefit Guaranty Corporation pursuant to a waiver by
such corporation under Section 4043(a) of ERISA; or (b) the withdrawal of any ERISA Affiliate from
an ERISA Plan during a plan year in which it was a “substantial employer” as defined in Section
4001(a)(2) of ERISA; or (c) a complete or partial withdrawal by any ERISA Affiliate from a
Multiemployer Plan or notification that a Multiemployer Plan is in reorganization; or (d) the
filing of a notice of intent to terminate any ERISA Plan or Multiemployer Plan or the treatment of
any ERISA Plan amendment or Multiemployer Plan amendment as a termination under Section 4041 or
4041A of ERISA; or (e) the institution of proceedings to terminate any ERISA Plan or Multiemployer
Plan by the Pension Benefit Guaranty Corporation under Section 4042 of ERISA; or (f) any other
event or condition which might constitute grounds under Section 4042 of ERISA for the termination
of, or the appointment of a trustee to administer, any ERISA Plan or Multiemployer Plan.

     “Threshold Amount” means at any time, the greater of US $250,000,000 and 2.5% of
Consolidated Net Worth determined as of the end of the most recent Fiscal Quarter.

     “Total Canadian Outstandings” means the aggregate Outstanding Amount of all Canadian
Loans, all Canadian L/C Obligations, and all Bankers’ Acceptances.

     “Total Capitalization” means the sum (without duplication) of (i) Consolidated Total
Funded Debt plus (ii) US Borrower’s consolidated shareholder’s equity plus (iii) 60% of the
outstanding balance of the Devon Trust Securities. Total Capitalization shall be calculated
excluding non-cash write-downs and related charges which are required under Rule 4-10 (Financial
Accounting and Reporting for Oil and Gas Producing Activities Pursuant to the

29

 

Federal Securities Laws and the Energy Policy and Conservation Act of 1975) of Regulation S-X
promulgated by SEC Regulation, or by GAAP.

     “Total Outstandings” means the aggregate amount of all Total US Outstandings and all
Total Canadian Outstandings.

     “Total US Outstandings” means the aggregate Outstanding Amount of all US Loans and all
US L/C Obligations.

     “Type” means (i) with respect to a US Committed Loan, its character as a US Base Rate
Loan or a US Dollar Eurodollar Rate Loan, (ii) with respect to a US Bid Loan, its character as a US
Absolute Rate Loan or a US Eurodollar Margin Bid Loan, (iii) with respect to a Canadian Committed
Borrowing, its character as a Canadian Prime Rate Loan, a Canadian Base Rate Committed Loan, a
Canadian Dollar Eurodollar Rate Loan or a US Dollar Eurodollar Rate Loan or a BA, (iv) with respect
to a Canadian Bid Loan, its character as a Canadian Absolute Rate Loan or a Canadian Eurodollar
Margin Bid Loan.

     “ULC Guaranty” means the Guaranty made by Devon Financing ULC, substantially in the
form of Exhibit G(ULC).

     “United States” and “U.S.” mean the United States of America.

     “Uncontested Portion” means, with respect to any Swap Termination Value or any
Synthetic Lease Obligation, the amount thereof that is not being contested by the US Borrower or
one of its Subsidiaries diligently in good faith.

     “Unrestricted Subsidiary” means any Subsidiary of the US Borrower that is not a
Restricted Subsidiary.

     “US Absolute Rate Loan” means a US Bid Loan that bears interest at a rate determined
with reference to an Absolute Rate.

     “US Base Rate” means for any day a fluctuating rate per annum equal to the higher of
(a) the Federal Funds Rate plus 50 Basis Points and (b) the rate of interest in effect for such day
as publicly announced from time to time by Bank of America as its “prime rate.” The “prime rate”
is a rate set by Bank of America based upon various factors including Bank of America’s costs and
desired return, general economic conditions and other factors, and is used as a reference point for
pricing some loans, which may be priced at, above, or below such announced rate. Any change in
such rate announced by Bank of America shall take effect at the opening of business on the day
specified in the public announcement of such change.

     “US Base Rate Committed Loan” means a US Committed Loan that is a US Base Rate Loan.

     “US Base Rate Loan” means a US Loan that bears interest based on the US Base Rate.

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     “US Bid Borrowing” means a borrowing consisting of simultaneous US Bid Loans of the
same Type from each of the Lenders whose offer to make one or more US Bid Loans as part of such
borrowing has been accepted under the auction bidding procedures described in Section 2.03.

     “US Bid Loan” has the meaning specified in Section 2.03(a).

     “US Bid Loan Lender” means, in respect of any US Bid Loan, the Lender making such US
Bid Loan to the US Borrower.

     “US Bid Request” means a written request for one or more US Bid Loans substantially in
the form of Exhibit B-1.

     “US Borrower” has the meaning specified in the introductory paragraph hereto.

     “US Borrower Guaranty” means the Guaranty made by the US Borrower, substantially in
the form of Exhibit G(US).

     “US Borrowing” means a US Committed Borrowing, a US Bid Borrowing or a US Swing Line
Borrowing, as the context may require.

     “US Commitment” means, as to each Lender, its obligation to (a) make US Committed
Loans to the US Borrower pursuant to Section 2.01, (b) purchase participations in US L/C
Obligations, and (c) purchase participations in US Swing Line Loans, in an aggregate principal
amount at any one time outstanding not to exceed the such Lender’s Commitment minus its (or its
Affiliate’s) Canadian Commitment, if any.

     “US Committed Borrowing” means a borrowing consisting of simultaneous US Committed
Loans of the same Type and, in the case of US Eurodollar Rate Committed Loans, having the same
Interest Period made by each of the Lenders pursuant to Section 2.01.

     “US Committed Loan” has the meaning specified in Section 2.01.

     “US Committed Loan Notice” means a notice of (a) a US Committed Borrowing, (b) a
conversion of US Committed Loans from one Type to the other, or (c) a continuation of US Eurodollar
Rate Committed Loans, pursuant to Section 2.02(a), which, if in writing, shall be
substantially in the form of Exhibit A.

     “US Competitive Bid” means a written offer by a Lender to make one or more US Bid
Loans, substantially in the form of Exhibit B-2, duly completed and signed by a Lender.

     “US Credit Extension” means each of the following: (a) a US Borrowing and (b) a US L/C
Credit Extension.

     “US Dollar” and “US $” mean lawful money of the United States.

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     “US Dollar Equivalent” means, on any date of determination, the equivalent in US
Dollars of any value or sum denominated in Canadian Dollars using the rate of exchange quoted by
Bank of Canada on the Business Day preceding the day as of which any determination of such rate is
required to be made under the terms hereof as the noon mid-market spot rate for conversions of
Canadian Dollars into US Dollars.

     “US Dollar Eurodollar Rate” means for any Interest Period with respect to a US Dollar
Eurodollar Rate Loan or a Canadian US Eurodollar Rate Committed Loan:

     (a) the rate per annum equal to the British Bankers Association LIBOR Rate (“BBA
USD LIBOR”), as published by Reuters (or other commercially available source providing
quotations of BBA USD LIBOR as designated by the Administrative Agent from time to time) at
approximately 11:00 a.m., London time, two Business Days prior to the commencement of such
Interest Period, for US Dollar deposits (for delivery on the first day of such Interest
Period) with a term equivalent to such Interest Period, or

     (b) if the rate referenced in the preceding clause (a) is not available at such time
for any reason, then the “US Dollar Eurodollar Rate” for such Interest Period shall be the
rate per annum determined by the Administrative Agent to be the rate at which deposits in US
Dollars for delivery on the first day of such Interest Period in same day funds in the
approximate amount of the US Dollar Eurodollar Rate Loan being made, continued or converted
by Bank of America (or, in the case of a US Bid Loan, the applicable US Bid Loan Lender) and
with a term equivalent to such Interest Period would be offered by Bank of America’s (or
such US Bid Loan Lender’s) London Branch to major banks in the London interbank eurodollar
market at their request at approximately 11:00 a.m. (London time) two Business Days prior to
the commencement of such Interest Period.

     “US Dollar Eurodollar Rate Loan” means a US Eurodollar Rate Committed Loan or a US
Eurodollar Margin Bid Loan.

     “US Eurodollar Bid Margin” means the margin above or below the US Dollar Eurodollar
Rate to be added to or subtracted from the US Dollar Eurodollar Rate, which margin shall be
expressed in multiples of 1/100th of one basis point.

     “US Eurodollar Margin Bid Loan” means a US Bid Loan that bears interest at a rate
based upon the US Dollar Eurodollar Rate.

     “US Eurodollar Rate Committed Loan” means a US Committed Loan that bears interest at a
rate based on the US Dollar Eurodollar Rate.

     “US Guarantor” means Devon Financing ULC.

     “US Guaranty” means the guaranty of the US Obligations made by the US Guarantor in
favor of the Administrative Agent on behalf of the Lenders under the ULC Guaranty.

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     “US L/C Advance” means, with respect to each Lender, such Lender’s funding of its
participation in any US L/C Borrowing in accordance with its Pro Rata Share.

     “US L/C Borrowing” means an extension of credit resulting from a drawing under any US
Letter of Credit which has not been reimbursed on the date when made or refinanced as a US
Committed Borrowing.

     “US L/C Credit Extension” means, with respect to any US Letter of Credit, the issuance
thereof or extension of the expiry date thereof, or the increase of the amount thereof.

     “US L/C Issuer” means (i) Bank of America, (ii) JPMorgan, or (iii) any other Lender
that may issue US Letters of Credit hereunder, as mutually agreed to by Administrative Agent and US
Borrower and such Lender, in such Person’s capacity as issuer of US Letters of Credit hereunder, or
any successor issuer of US Letters of Credit hereunder.

     “US L/C Obligations” means, as at any date of determination, the aggregate undrawn
amount of all outstanding US Letters of Credit plus the aggregate of all US Unreimbursed
Amounts, including all US L/C Borrowings. For all purposes of this Agreement, if on any date of
determination a US Letter of Credit has expired by its terms but any amount may still be drawn
thereunder by reason of the operation of Rule 3.14 of the ISP, such US Letter of Credit shall be
deemed to be “outstanding” in the amount so remaining available to be drawn.

     “US Letter of Credit” means any letter of credit issued hereunder and shall include
the Existing US Letters of Credit. A US Letter of Credit may be a commercial letter of credit or a
standby letter of credit.

     “US Letter of Credit Application” means an application and agreement for the issuance
or amendment of a US Letter of Credit in the form from time to time in use by the US L/C Issuer and
acceptable to the US Borrower.

     “US Letter of Credit Fee” has the meaning specified in Section 2.04(i).

     “US Letter of Credit Sublimit” means an amount equal to US $2,000,000,000 minus the
Canadian Letter of Credit Sublimit. The US Letter of Credit Sublimit is part of, and not in
addition to, the Aggregate US Commitments.

     “US Loan” means an extension of credit by a Lender to the US Borrower under
Article II in the form of a US Committed Loan, a US Bid Loan or a US Swing Line Loan.

     “US Note” means a promissory note made by the US Borrower in favor of a Lender
evidencing US Loans made by such Lender, substantially in the form of Exhibit D-1.

     “US Obligations” means all Obligations other than Canadian Obligations.

     “US Required Lenders” means, as of any date of determination, Lenders having more than
50% of the Aggregate US Commitments or, if the commitment of each Lender to make US Committed Loans
and the obligation of each US L/C Issuer to make US L/C Credit Extensions

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have been terminated, Lenders holding in the aggregate more than 50% of the Total US
Outstandings (with the aggregate amount of each Lender’s risk participation and funded
participation in US L/C Obligations and US Swing Line Loans being deemed “held” by such Lender for
purposes of this definition); provided that the US Commitment of, and the portion of the
Total US Outstandings held or deemed held by, any US Defaulting Lender shall be excluded for
purposes of making a determination of US Required Lenders.

     “US Swing Line” means the revolving credit facility made available by the US Swing
Line Lender pursuant to Section 2.05.

     “US Swing Line Borrowing” means a borrowing of a US Swing Line Loan pursuant to
Section 2.05.

     “US Swing Line Lender” means Bank of America or any other Lender that may provide US
Swing Line Loans hereunder, as mutually agreed to by Administrative Agent and the US Borrower, in
such Person’s capacity as provider of US Swing Line Loans hereunder, or any successor swing line
lender hereunder.

     “US Swing Line Loan” has the meaning specified in Section 2.05(a).

     “US Swing Line Loan Notice” means a notice of a US Swing Line Borrowing pursuant to
Section 2.05(b), which, if in writing, shall be substantially in the form of Exhibit
C(US).

     “US Swing Line Rate” means on any day a fluctuating rate of interest per annum
established from time to time by Bank of America, as its money market rate, which rate may not be
the lowest rate of interest charged by Bank of America, to its customers, plus the Applicable Rate.

     “US Swing Line Sublimit” means an amount equal to the lesser of (a) US $50,000,000 and
(b) the Aggregate US Commitments. The US Swing Line Sublimit is part of, and not in addition to,
the Aggregate US Commitments.

     “US Unreimbursed Amount” has the meaning specified in Section 2.04(c)(i).

     1.02 Other Interpretive Provisions. With reference to this Agreement and each other Loan Document,
unless otherwise specified herein or in such other Loan Document:

     (a) The meanings of defined terms are equally applicable to the singular and plural forms of
the defined terms.

     (b) (i) The words “herein,” “hereto,” “hereof” and “hereunder”
and words of similar import when used in any Loan Document shall refer to such Loan Document as a
whole and not to any particular provision thereof.

     (ii) Article, Section, Exhibit and Schedule references are to the Loan Document in which
such reference appears.

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     (iii) The term “including” is by way of example and not limitation.

     (iv) The term “documents” includes any and all instruments, documents,
agreements, certificates, notices, reports, financial statements and other writings, however
evidenced, whether in physical or electronic form.

     (c) In the computation of periods of time from a specified date to a later specified date, the
word “from” means “from and including;” the words “to” and “until”
each mean “to but excluding;” and the word “through” means “to and
including.”

     (d) Section headings herein and in the other Loan Documents are included for convenience of
reference only and shall not affect the interpretation of this Agreement or any other Loan
Document.

     1.03 Accounting Terms. (a) All accounting terms not specifically or completely defined herein
shall be construed in conformity with, and all financial data (including financial ratios and other
financial calculations) required to be submitted pursuant to this Agreement shall be prepared in
conformity with, GAAP applied on a consistent basis, as in effect from time to time, applied in a
manner consistent with that used in preparing the Audited Financial Statements, except as
otherwise specifically prescribed herein.

     (b) If at any time any change in GAAP would affect the computation of any financial ratio or
requirement set forth in any Loan Document, and either the US Borrower or the Required Lenders
shall so request, the Administrative Agent, the Lenders and the US Borrower shall negotiate in good
faith to amend such ratio or requirement to preserve the original intent thereof in light of such
change in GAAP (subject to the approval of the Required Lenders and the US Borrower);
provided that, until so amended, (i) such ratio or requirement shall continue to be
computed in accordance with GAAP prior to such change therein and (ii) the US Borrower shall
provide to the Administrative Agent and the Lenders financial statements and other documents
required under this Agreement or as reasonably requested hereunder setting forth a reconciliation
between calculations of such ratio or requirement made before and after giving effect to such
change in GAAP.

     1.04 Rounding. Any financial ratios required to be maintained by the US Borrower pursuant to this
Agreement shall be calculated by dividing the appropriate component by the other component,
carrying the result to one place more than the number of places by which such ratio is expressed
herein and rounding the result up or down to the nearest number (with a rounding-up if there is no
nearest number).

     1.05 References to Agreements and Laws. Unless otherwise expressly provided herein, (a) references to Organization Documents,
agreements (including the Loan Documents) and other contractual instruments shall be deemed to
include all subsequent amendments, restatements, extensions, supplements and other modifications
thereto, but only to the extent that such amendments, restatements, extensions, supplements and
other modifications are not prohibited by any Loan Document; and (b) references to any Law shall
include all statutory and

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regulatory provisions consolidating, amending, replacing, supplementing
or interpreting such Law.

     1.06 Times of Day. Unless otherwise specified, all references herein to times of day made with
respect to the Canadian SubFacility shall be references to Eastern time (daylight or standard, as
applicable), and all other references herein to times of day shall be references to Central time
(daylight or standard, as applicable).

     1.07 Letter of Credit Amounts. Unless otherwise specified, all references herein to the amount of
a Letter of Credit at any time shall be deemed to mean the maximum face amount of such Letter of
Credit after giving effect to all increases thereof contemplated by such Letter of Credit or the
Issuer Documents related thereto, whether or not such maximum face amount is in effect at such
time.

     1.08 US Dollar Equivalent. Except for the purposes of determining any amounts under Section
3.10, for the purposes of determining any amount relating to any Commitment or any Obligation
or any amount referred to in any representation or warranty, covenant or Default, where such amount
is the result of any mathematical calculation or equation which includes amounts denominated in
Canadian Dollars together with amounts denominated in US Dollars, all relevant amounts included in
such calculation or equation that are denominated in Canadian Dollars shall be calculated, as of
such time of determination, at the US Dollar Equivalent thereof.

ARTICLE II.

US COMMITMENTS AND US CREDIT EXTENSION

     2.01 US Committed Loans. Subject to the terms and conditions set forth herein, each Lender
severally agrees to make loans (each such loan, a “US Committed Loan”) to the US Borrower
from time to time, on any Business Day during the Availability Period, in an aggregate amount not
to exceed at any time outstanding the amount of the US Commitment of such Lender; provided,
however, that after giving effect to any US Committed Borrowing, (i) the Total US
Outstandings shall not exceed the Aggregate US Commitments, and (ii) the aggregate Outstanding
Amount of the US Committed Loans of any Lender, plus such Lender’s Pro Rata Share of the
Outstanding Amount of all US L/C Obligations, plus such Lender’s Pro Rata Share of the
Outstanding Amount of all US Swing Line Loans shall not exceed the US Commitment of such Lender.
Within the limits of the US Commitment of each Lender, and subject to the other terms and conditions hereof, the US
Borrower may borrow under this Section 2.01, prepay under Section 2.06, and
reborrow under this Section 2.01. US Committed Loans may be US Base Rate Loans or US
Eurodollar Rate Committed Loans, as further provided herein.

     2.02 US Borrowings, Conversions and Continuations of US Committed Loans.

     (a) Each US Committed Borrowing, each conversion of US Committed Loans from one Type to the
other, and each continuation of US Eurodollar Rate Committed Loans shall be made upon the US
Borrower’s irrevocable notice to (except as provided in Section 5.03(a)) the Administrative
Agent, which may be given by telephone. Each such notice must be received by

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the Administrative Agent not later than 11:00 a.m. (i) two Business Days prior to the requested date of any US
Borrowing of, conversion to or continuation of US Eurodollar Rate Committed Loans or of any
conversion of US Eurodollar Rate Committed Loans to US Base Rate Committed Loans, and (ii) on the
requested date of any US Borrowing of US Base Rate Committed Loans. Each telephonic notice by the
US Borrower pursuant to this Section 2.02(a) must be confirmed promptly by delivery to the
Administrative Agent of a written US Committed Loan Notice, appropriately completed and signed by a
Responsible Officer of the US Borrower. Each US Borrowing of, conversion to or continuation of US
Eurodollar Rate Committed Loans shall be in a principal amount of US $5,000,000 or a whole multiple
of US $1,000,000 in excess thereof. Except as provided in Sections 2.04(c) and
2.05(c), each US Borrowing of or conversion to US Base Rate Committed Loans shall be in a
principal amount of US $1,000,000 or a whole multiple of US $100,000 in excess thereof. Each US
Committed Loan Notice (whether telephonic or written) shall specify (i) whether the US Borrower is
requesting a US Committed Borrowing, a conversion of US Committed Loans from one Type to the other,
or a continuation of US Eurodollar Rate Committed Loans, (ii) the requested date of the US
Borrowing, conversion or continuation, as the case may be (which shall be a Business Day), (iii)
the principal amount of US Committed Loans to be borrowed, converted or continued, (iv) the Type of
US Committed Loans to be borrowed or to which existing US Committed Loans are to be converted, and
(v) if applicable, the duration of the Interest Period with respect thereto. If the US Borrower
fails to specify a Type of US Committed Loan in a US Committed Loan Notice or if the US Borrower
fails to give a timely notice requesting a conversion or continuation, then the applicable US
Committed Loans shall be made as, or converted to, US Base Rate Loans. Any such automatic
conversion to US Base Rate Loans shall be effective as of the last day of the Interest Period then
in effect with respect to the applicable US Eurodollar Rate Committed Loans. If the US Borrower
requests a US Committed Borrowing of, conversion to, or continuation of US Eurodollar Rate
Committed Loans in any such US Committed Loan Notice, but fails to specify an Interest Period, it
will be deemed to have specified an Interest Period of one month.

     (b) Following receipt of a US Committed Loan Notice, the Administrative Agent shall promptly
notify each Lender of the amount of its Pro Rata Share of the applicable US Committed Loans, and if
no timely notice of a conversion or continuation is provided by the US Borrower, the Administrative
Agent shall notify each Lender of the details of any automatic
conversion to US Base Rate Loans described in the preceding subsection. In the case of a US
Committed Borrowing, each Lender shall make the amount of its US Committed Loan available to the
Administrative Agent in immediately available funds at the Administrative Agent’s Office not later
than 1:00 p.m. on the Business Day specified in the applicable US Committed Loan Notice. Upon
satisfaction of the applicable conditions set forth in Section 6.02 (and, if such US
Borrowing is the initial US Credit Extension, Section 6.01), the Administrative Agent shall
make all funds so received available to the US Borrower in like funds as received by the
Administrative Agent either by (i) crediting the account of the US Borrower on the books of Bank of
America with the amount of such funds or (ii) wire transfer of such funds, in each case in
accordance with instructions provided to (and reasonably acceptable to) the Administrative Agent by
the US Borrower; provided, however, that if, on the date the US Committed Loan
Notice with respect to such US Borrowing is given by the US Borrower, there are US L/C Borrowings
outstanding, then the proceeds of such US Borrowing, first, shall be applied, to the

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payment in full of any such US L/C Borrowings, and second, shall be made available to the
US Borrower as provided above.

     (c) Except as otherwise provided herein, a US Eurodollar Rate Committed Loan may be continued
or converted only on the last day of an Interest Period for such US Eurodollar Rate Committed Loan.
During the existence of an Event of Default, no Loans may be requested as, converted to or
continued as US Eurodollar Rate Committed Loans without the consent of the US Required Lenders.

     (d) The Administrative Agent shall promptly notify the US Borrower and the Lenders of the
interest rate applicable to any Interest Period for US Eurodollar Rate Committed Loans upon
determination of such interest rate. The determination of the US Dollar Eurodollar Rate by the
Administrative Agent shall be conclusive in the absence of manifest error. At any time that US
Base Rate Loans are outstanding, the Administrative Agent shall notify the US Borrower and the
Lenders of any change in Bank of America’s prime rate used in determining the US Base Rate promptly
following the public announcement of such change.

     (e) After giving effect to all US Committed Borrowings, all conversions of US Committed Loans
from one Type to the other, and all continuations of US Committed Loans as the same Type, there
shall not be more than ten Interest Periods in effect with respect to US Committed Loans.

     2.03 US Bid Loans.

     (a) General. Subject to the terms and conditions set forth herein, each Lender agrees
that the US Borrower may from time to time request the Lenders to submit offers to make loans (each
such loan, a “US Bid Loan”) for requested maturities of thirty (30) days or more to the US
Borrower prior to the Maturity Date pursuant to this Section 2.03; provided,
however, that after giving effect to any US Bid Borrowing, the Total US Outstandings shall
not exceed the Aggregate US Commitments. There shall not be more than five different Interest
Periods in effect with respect to US Bid Loans at any time.

     (b) Requesting US Competitive Bids. The US Borrower may request the submission of US
Competitive Bids by delivering a US Bid Request to the Administrative Agent not later than 12:00
noon (i) one Business Day prior to the requested date of any US Bid Borrowing that is to consist of
US Absolute Rate Loans, or (ii) four Business Days prior to the requested date of any US Bid
Borrowing that is to consist of US Eurodollar Margin Bid Loans. Each US Bid Request shall specify
(i) the requested date of the US Bid Borrowing (which shall be a Business Day), (ii) the aggregate
principal amount of US Bid Loans requested (which must be US $5,000,000 or a whole multiple of US
$1,000,000 in excess thereof), (iii) the Type of US Bid Loans requested, and (iv) the duration of
the Interest Period with respect thereto, and shall be signed by a Responsible Officer of the US
Borrower. No US Bid Request shall contain a request for (i) more than one Type of US Bid Loan or
(ii) US Bid Loans having more than three different Interest Periods. Unless the Administrative
Agent otherwise agrees in its sole and absolute discretion, the US Borrower may not submit a US Bid
Request if it has submitted another US Bid Request within the prior five Business Days.

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     (c) Submitting US Competitive Bids.

     (i) The Administrative Agent shall promptly notify each Lender of each US Bid Request
received by it from the US Borrower and the contents of such US Bid Request.

     (ii) Each Lender may (but shall have no obligation to) submit a US Competitive Bid
containing an offer to make one or more US Bid Loans in response to such US Bid Request.
Such US Competitive Bid must be delivered to the Administrative Agent not later than 10:30
a.m. (A) on the requested date of any US Bid Borrowing that is to consist of US Absolute
Rate Loans, and (B) three Business Days prior to the requested date of any US Bid Borrowing
that is to consist of US Eurodollar Margin Bid Loans; provided, however,
that any US Competitive Bid submitted by Bank of America in its capacity as a Lender in
response to any US Bid Request must be submitted to the Administrative Agent not later than
10:15 a.m. on the date on which US Competitive Bids are required to be delivered by the
other Lenders in response to such US Bid Request. Each US Competitive Bid shall specify (A)
the proposed date of the US Bid Borrowing; (B) the principal amount of each US Bid Loan for
which such US Competitive Bid is being made, which principal amount (x) may be equal to,
greater than or less than the US Commitment of the bidding Lender, (y) must be US $5,000,000
or a whole multiple of US $1,000,000 in excess thereof, and (z) may not exceed the principal
amount of US Bid Loans for which US Competitive Bids were requested; (C) if the proposed US
Bid Borrowing is to consist of US Absolute Rate Loans, the Absolute Rate offered for each
such US Bid Loan and the Interest Period applicable thereto; (D) if the proposed US Bid
Borrowing is to consist of US Eurodollar Margin Bid Loans, the US Eurodollar Bid Margin with
respect to each such US Eurodollar Margin Bid Loan and the Interest Period applicable
thereto; and (E) the identity of the bidding Lender.

     (iii) Any US Competitive Bid shall be disregarded if it (A) is received after the
applicable time specified in clause (ii) above, (B) is not substantially in the form of a US
Competitive Bid as specified herein, (C) contains qualifying, conditional or similar
language, (D) proposes terms other than or in addition to those set forth in the
applicable US Bid Request, or (E) is otherwise not responsive to such US Bid Request. Any
Lender may correct a US Competitive Bid containing a manifest error by submitting a
corrected US Competitive Bid (identified as such) not later than the applicable time
required for submission of US Competitive Bids. Any such submission of a corrected US
Competitive Bid shall constitute a revocation of the US Competitive Bid that contained the
manifest error. The Administrative Agent may, but shall not be required to, notify any
Lender of any manifest error it detects in such Lender’s US Competitive Bid.

     (iv) Subject only to the provisions of Sections 5.02, 5.03 and
6.02 and clause (iii) above, each US Competitive Bid shall be irrevocable.

     (d) Notice to US Borrower of US Competitive Bids. Not later than 11:00 a.m. (i) on
the requested date of any US Bid Borrowing that is to consist of US Absolute Rate Loans, or (ii)
three Business Days prior to the requested date of any US Bid Borrowing that is to consist of US

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Eurodollar Margin Bid Loans, the Administrative Agent shall notify the US Borrower of the identity
of each Lender that has submitted a US Competitive Bid that complies with Section 2.03(c)
and of the terms of the offers contained in each such US Competitive Bid.

     (e) Acceptance of US Competitive Bids. Not later than 11:30 a.m. (i) on the requested
date of any US Bid Borrowing that is to consist of US Absolute Rate Loans, and (ii) three Business
Days prior to the requested date of any US Bid Borrowing that is to consist of US Eurodollar Margin
Bid Loans, the US Borrower shall notify the Administrative Agent of its acceptance or rejection of
the offers notified to it pursuant to Section 2.03(d). The US Borrower shall be under no
obligation to accept any US Competitive Bid and may choose to reject all US Competitive Bids. In
the case of acceptance, such notice shall specify the aggregate principal amount of US Competitive
Bids for each Interest Period that is accepted. The US Borrower may accept any US Competitive Bid
in whole or in part; provided that:

     (i) the aggregate principal amount of each US Bid Borrowing may not exceed the
applicable amount set forth in the related US Bid Request;

     (ii) the principal amount of each US Bid Loan must be US $5,000,000 or a whole multiple
of US $1,000,000 in excess thereof;

     (iii) the acceptance of offers may be made only on the basis of ascending Absolute
Rates or US Eurodollar Bid Margins within each Interest Period; and

     (iv) the US Borrower may not accept any offer that is described in Section
2.03(c)(iii) or that otherwise fails to comply with the requirements hereof.

     (f) Procedure for Identical US Bids. If two or more Lenders have submitted US
Competitive Bids at the same Absolute Rate or US Eurodollar Bid Margin, as the case may be, for the
same Interest Period, and the result of accepting all of such US Competitive Bids in whole
(together with any other US Competitive Bids at lower Absolute Rates or US Eurodollar Bid Margins,
as the case may be, accepted for such Interest Period in conformity with the
requirements of Section 2.03(e)(iii)) would be to cause the aggregate outstanding
principal amount of the applicable US Bid Borrowing to exceed the amount specified therefor in the
related US Bid Request, then, unless otherwise agreed by the US Borrower, the Administrative Agent
and such Lenders, such US Competitive Bids shall be accepted as nearly as possible in proportion to
the amount offered by each such Lender in respect of such Interest Period, with such accepted
amounts being rounded to the nearest whole multiple of US $1,000,000.

     (g) Notice to Lenders of Acceptance or Rejection of US Bids. The Administrative Agent
shall promptly notify each Lender having submitted a US Competitive Bid whether or not its offer
has been accepted and, if its offer has been accepted, of the amount of the US Bid Loan or US Bid
Loans to be made by it on the date of the applicable US Bid Borrowing. Any US Competitive Bid or
portion thereof that is not accepted by the US Borrower by the applicable time specified in
Section 2.03(e) shall be deemed rejected.

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     (h) Notice of US Dollar Eurodollar Rate. If any US Bid Borrowing is to consist of US
Eurodollar Margin Bid Loans, the Administrative Agent shall determine the US Dollar Eurodollar Rate
for the relevant Interest Period, and promptly after making such determination, shall notify the US
Borrower and the Lenders that will be participating in such US Bid Borrowing of such US Dollar
Eurodollar Rate.

     (i) Funding of US Bid Loans. Each Lender that has received notice pursuant to
Section 2.03(g) that all or a portion of its US Competitive Bid has been accepted by the US
Borrower shall make the amount of its US Bid Loan(s) available to the Administrative Agent in
immediately available funds at the Administrative Agent’s Office not later than 1:00 p.m. on the
date of the requested US Bid Borrowing. Upon satisfaction of the applicable conditions set forth
in Section 6.02, the Administrative Agent shall make all funds so received available to the
US Borrower in like funds as received by the Administrative Agent.

     (j) Notice of Range of US Bids. After each US Competitive Bid auction pursuant to
this Section 2.03, the Administrative Agent shall notify each Lender that submitted a US
Competitive Bid in such auction of the ranges of bids submitted (without the bidder’s name) and
accepted for each US Bid Loan and the aggregate amount of each US Bid Borrowing.

     2.04 US Letters of Credit.

     (a) The US Letter of Credit Commitment.

     (i) Subject to the terms and conditions set forth herein, (A) the US L/C Issuer agrees,
in reliance upon the agreements of the other Lenders set forth in this Section 2.04,
(1) from time to time on any Business Day during the period from the Effective Date until
the Letter of Credit Expiration Date, to issue US Letters of Credit for the account of the
US Borrower, and to amend or renew US Letters of Credit previously issued by it, in
accordance with subsection (b) below, and (2) to honor drawings under the US Letters of
Credit; and (B) the Lenders severally agree to participate in US Letters of Credit issued
for the account of the US Borrower and any drawings thereunder; provided that
after giving effect to any US L/C Credit Extension with respect to any US Letter of Credit,
(w) the Total US Outstandings shall not exceed the Aggregate US Commitments, (x) the
aggregate Outstanding Amount of the US Committed Loans of any Lender, plus such
Lender’s Pro Rata Share of the Outstanding Amount of all US L/C Obligations, plus
such Lender’s Pro Rata Share of the Outstanding Amount of all US Swing Line Loans shall not
exceed such Lender’s US Commitment, (y) the Outstanding Amount of the US L/C Obligations
shall not exceed the US Letter of Credit Sublimit, and (z) the Outstanding Amount of such
L/C Issuer’s (and, if applicable, its Canadian Affiliate’s) L/C Obligations shall not exceed
the L/C Issuance Global Sublimit for such L/C Issuer. Each request by the US Borrower for
the issuance or amendment of a US Letter of Credit shall be deemed to be a representation by
the US Borrower that the US L/C Credit Extension so requested complies with the conditions
set forth in the proviso to the preceding sentence. Within the foregoing limits, and
subject to the terms and conditions hereof, the US Borrower’s ability to obtain US Letters
of Credit shall be fully revolving, and accordingly the US Borrower may, during the
foregoing period, obtain US

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Letters of Credit to replace US Letters of Credit that have
expired or that have been drawn upon and reimbursed. All Existing US Letters of Credit
shall be deemed to have been issued pursuant hereto, and from and after the Effective Date
shall be subject to and governed by the terms and conditions hereof.

     (ii) The US L/C Issuer shall not issue any US Letter of Credit, if the expiry date of
such requested US Letter of Credit would occur after the Letter of Credit Expiration Date,
unless all the Lenders have approved such expiry date.

     (iii) The US L/C Issuer shall not be under any obligation to issue any US Letter of
Credit if:

     (A) any order, judgment or decree of any Governmental Authority or arbitrator
shall by its terms purport to enjoin or restrain the US L/C Issuer from issuing such
US Letter of Credit, or any Law applicable to the US L/C Issuer or any request or
directive (whether or not having the force of law) from any Governmental Authority
with jurisdiction over the US L/C Issuer shall prohibit, or request that the US L/C
Issuer refrain from, the issuance of letters of credit generally or such US Letter
of Credit in particular or shall impose upon the US L/C Issuer with respect to such
US Letter of Credit any restriction, reserve or capital requirement (for which the
US L/C Issuer is not otherwise compensated hereunder) not in effect on the Closing
Date, or shall impose upon the US L/C Issuer any unreimbursed loss, cost or expense
which was not applicable on the Closing Date and which the US L/C Issuer in good
faith deems material to it, unless the US Borrower confirms that it will pay the
foregoing;

     (B) the issuance of such US Letter of Credit would violate any Laws;

     (C) except as otherwise agreed by the Administrative Agent and the US L/C
Issuer, such US Letter of Credit is in an initial face amount less than US $10,000;
or

     (D) such US Letter of Credit is to be denominated in a currency other than US
Dollars.

     (iv) The US L/C Issuer shall not amend any US Letter of Credit if the US L/C Issuer
would not be permitted at such time to issue such US Letter of Credit in its amended form
under the terms hereof.

     (v) The US L/C Issuer shall be under no obligation to amend any US Letter of Credit if
(A) the US L/C Issuer would have no obligation at such time to issue such US Letter of
Credit in its amended form under the terms hereof, or (B) the beneficiary of such US Letter
of Credit does not accept the proposed amendment to such US Letter of Credit.

     (b) Procedures for Issuance and Amendment of US Letters of Credit.

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     (i) Each US Letter of Credit shall be issued or amended, as the case may be, upon the
request of the US Borrower delivered to the US L/C Issuer (with a copy to the Administrative
Agent) in the form of a US Letter of Credit Application, appropriately completed and signed
by a Responsible Officer of the US Borrower. Such US Letter of Credit Application must be
received by the US L/C Issuer and the Administrative Agent not later than 11:00 a.m. at
least two Business Days (or such later date and time as the Administrative Agent and the US
L/C Issuer may agree in a particular instance in their sole discretion) prior to the
proposed issuance date or date of amendment, as the case may be. In the case of a request
for an initial issuance of a US Letter of Credit, such US Letter of Credit Application shall
specify in form and detail satisfactory to the US L/C Issuer: (A) the proposed issuance date
of the requested US Letter of Credit (which shall be a Business Day); (B) the amount
thereof; (C) the expiry date thereof; (D) the name and address of the beneficiary thereof;
(E) the documents to be presented by such beneficiary in case of any drawing thereunder; (F)
the full text of any certificate to be presented by such beneficiary in case of any drawing
thereunder; and (G) such other matters as the US L/C Issuer may reasonably require. In the
case of a request for an amendment of any outstanding US Letter of Credit, such US Letter of
Credit Application shall specify in form and detail satisfactory to the US L/C Issuer (A)
the US Letter of Credit to be amended; (B) the proposed date of amendment thereof (which
shall be a Business Day); (C) the nature of the proposed amendment; and (D) such other
matters as the US L/C Issuer may require. Additionally, the US Borrower shall furnish to
the US L/C Issuer and the Administrative Agent such other documents and information
pertaining to such requested US Letter of Credit issuance or amendment, including any Issuer
Documents, as the US L/C Issuer or the Administrative Agent may reasonably require.

     (ii) Promptly after receipt of any US Letter of Credit Application, the US L/C Issuer
will confirm with the Administrative Agent (by telephone or in writing) that the
Administrative Agent has received a copy of such US Letter of Credit Application from
the US Borrower and, if not, the US L/C Issuer will provide the Administrative Agent with a
copy thereof. Unless the US L/C Issuer has received written notice from any Lender, the
Administrative Agent or any Loan Party, at least one Business Day prior to the requested
date of issuance or amendment of the applicable US Letter of Credit, that one or more
applicable conditions contained in Article VI shall not then be satisfied, then,
subject to the terms and conditions hereof, the US L/C Issuer shall, on the requested date,
issue a US Letter of Credit for the account of the US Borrower or enter into the applicable
amendment, as the case may be, in each case in accordance with the US L/C Issuer’s usual and
customary business practices. Immediately upon the issuance of each US Letter of Credit,
each Lender shall be deemed to, and hereby irrevocably and unconditionally agrees to,
purchase from the US L/C Issuer a risk participation in such US Letter of Credit in an
amount equal to the product of such Lender’s Pro Rata Share times the amount of such
US Letter of Credit.

     (iii) Promptly after its delivery of any US Letter of Credit or any amendment to a US
Letter of Credit to an advising bank with respect thereto or to the beneficiary thereof, the
US L/C Issuer will also deliver to the US Borrower and the Administrative Agent a true and
complete copy of such US Letter of Credit or amendment.

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     (c) Drawings and Reimbursements; Funding of Participations.

     (i) Upon receipt from the beneficiary of any US Letter of Credit of any notice of a
drawing under such US Letter of Credit, the US L/C Issuer shall notify the US Borrower and
the Administrative Agent thereof. Not later than 11:00 a.m. on the date of any payment by
the US L/C Issuer under a US Letter of Credit (each such date, an “US Honor Date”),
the US Borrower shall reimburse the US L/C Issuer through the Administrative Agent in an
amount equal to the amount of such drawing by means of a Borrowing of US Base Rate Committed
Loans or otherwise. If the US Borrower fails so to reimburse the US L/C Issuer by such
time, the Administrative Agent shall promptly notify each Lender of the US Honor Date, the
amount of the unreimbursed drawing (the “US Unreimbursed Amount”), and the amount of
such Lender’s Pro Rata Share thereof. In such event, the US Borrower shall be deemed to
have requested a US Committed Borrowing of US Base Rate Loans to be disbursed on the US
Honor Date in an amount equal to the US Unreimbursed Amount, without regard to the minimum
and multiples specified in Section 2.02 for the principal amount of US Base Rate
Loans, but subject to the amount of the unutilized portion of the Aggregate US Commitments
and whether or not the conditions set forth in Section 6.02 are satisfied. Any
notice given by the US L/C Issuer or the Administrative Agent pursuant to this Section
2.04(c)(i) may be given by telephone if immediately confirmed in writing;
provided that the lack of such an immediate confirmation shall not affect the
conclusiveness or binding effect of such notice.

     (ii) Each Lender (including the Lender acting as US L/C Issuer) shall upon any notice
pursuant to Section 2.04(c)(i) make funds available to the Administrative Agent for
the account of the US L/C Issuer at the Administrative Agent’s Office in an
amount equal to its Pro Rata Share of the US Unreimbursed Amount not later than 1:00
p.m. on the Business Day specified in such notice by the Administrative Agent, whereupon,
subject to the provisions of Section 2.04(c)(iii), each Lender that so makes funds
available shall be deemed to have made a US Base Rate Committed Loan to the US Borrower in
such amount. The Administrative Agent shall remit the funds so received to the US L/C
Issuer.

     (iii) With respect to any US Unreimbursed Amount that is not fully refinanced by a US
Committed Borrowing of US Base Rate Loans for any reason, the US Borrower shall be deemed to
have incurred from the US L/C Issuer a US L/C Borrowing in the amount of the US Unreimbursed
Amount that is not so refinanced, which US L/C Borrowing shall be due and payable on demand
(together with interest) and shall bear interest at a per annum rate equal to (i) for the
first three (3) Business Days after the date of such US L/C Borrowing, the US Base Rate, and
(ii) thereafter, the US Base Rate plus two percent (2%). In such event, each Lender’s
payment to the Administrative Agent for the account of the US L/C Issuer pursuant to
Section 2.04(c)(ii) shall be deemed payment in respect of its participation in such
US L/C Borrowing and shall constitute a US L/C Advance from such Lender in satisfaction of
its participation obligation under this Section 2.04.

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     (iv) Until each Lender funds its US Committed Loan or US L/C Advance pursuant to this
Section 2.04(c) to reimburse the US L/C Issuer for any amount drawn under any US
Letter of Credit, interest in respect of such Lender’s Pro Rata Share of such amount shall
be solely for the account of the US L/C Issuer.

     (v) Each Lender’s obligation to make US Committed Loans or US L/C Advances to reimburse
the US L/C Issuer for amounts drawn under US Letters of Credit, as contemplated by this
Section 2.04(c), shall be absolute and unconditional and shall not be affected by
any circumstance, including (A) any set-off, counterclaim, recoupment, defense or other
right which such Lender may have against the US L/C Issuer, the US Borrower or any other
Person for any reason whatsoever; (B) the occurrence or continuance of a Default, or (C) any
other occurrence, event or condition, whether or not similar to any of the foregoing. No
such making of a US L/C Advance shall relieve or otherwise impair the obligation of the US
Borrower to reimburse the US L/C Issuer for the amount of any payment made by the US L/C
Issuer under any US Letter of Credit, together with interest as provided herein.

     (vi) If any Lender fails to make available to the Administrative Agent for the account
of the US L/C Issuer any amount required to be paid by such Lender pursuant to the foregoing
provisions of this Section 2.04(c) by the time specified in Section
2.04(c)(ii), the US L/C Issuer shall be entitled to recover from such Lender (acting
through the Administrative Agent), on demand, such amount with interest thereon for the
period from the date such payment is required to the date on which such payment is
immediately available to the US L/C Issuer at a rate per annum equal to the Federal Funds
Rate from time to time in effect. A certificate of the US L/C Issuer submitted to
any Lender (through the Administrative Agent) with respect to any amounts owing under
this clause (vi) shall be conclusive absent manifest error.

     (d) Repayment of Participations.

     (i) At any time after the US L/C Issuer has made a payment under any US Letter of
Credit and has received from any Lender such Lender’s US L/C Advance in respect of such
payment in accordance with Section 2.04(c), if the Administrative Agent receives for
the account of the US L/C Issuer any payment in respect of the related US Unreimbursed
Amount or interest thereon (whether directly from the US Borrower or otherwise, including
proceeds of cash collateral applied thereto by the Administrative Agent), the Administrative
Agent will distribute to such Lender its Pro Rata Share thereof (appropriately adjusted, in
the case of interest payments, to reflect the period of time during which such Lender’s US
L/C Advance was outstanding) in the same funds as those received by the Administrative
Agent.

     (ii) If any payment received by the Administrative Agent for the account of the US L/C
Issuer pursuant to Section 2.04(c)(i) is required to be returned under any of the
circumstances described in Section 12.07 (including pursuant to any settlement
entered into by the US L/C Issuer in its discretion), each Lender shall pay to the
Administrative Agent for the account of the US L/C Issuer its Pro Rata Share thereof on

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demand of the Administrative Agent, plus interest thereon from the date of such demand to
the date such amount is returned by such Lender, at a rate per annum equal to the Federal
Funds Rate from time to time in effect.

     (e) Obligations Absolute. The obligation of the US Borrower to reimburse the US L/C
Issuer for each drawing under each US Letter of Credit and to repay each US L/C Borrowing shall be
absolute, unconditional and irrevocable, and shall be paid strictly in accordance with the terms of
this Agreement under all circumstances, including the following:

     (i) any lack of validity or enforceability of such US Letter of Credit, this Agreement,
or any other Loan Document;

     (ii) the existence of any claim, counterclaim, set-off, defense or other right that the
US Borrower or any Subsidiary may have at any time against any beneficiary or any transferee
of such US Letter of Credit (or any Person for whom any such beneficiary or any such
transferee may be acting), the US L/C Issuer or any other Person, whether in connection with
this Agreement, the transactions contemplated hereby or by such US Letter of Credit or any
agreement or instrument relating thereto, or any unrelated transaction;

     (iii) any draft, demand, certificate or other document presented under such US Letter
of Credit proving to be forged, fraudulent, invalid or insufficient in any respect or any
statement therein being untrue or inaccurate in any respect; or any loss or delay in the
transmission or otherwise of any document required in order to make a drawing under such US
Letter of Credit;

     (iv) any payment by the US L/C Issuer under such US Letter of Credit against
presentation of a draft or certificate that does not strictly comply with the terms of such
US Letter of Credit; or any payment made by the US L/C Issuer under such US Letter of Credit
to any Person purporting to be a trustee in bankruptcy, debtor-in-possession, assignee for
the benefit of creditors, liquidator, receiver or other representative of or successor to
any beneficiary or any transferee of such US Letter of Credit, including any arising in
connection with any proceeding under any Debtor Relief Law; or

     (v) any other circumstance or happening whatsoever, whether or not similar to any of
the foregoing, including any other circumstance that might otherwise constitute a defense
available to, or a discharge of, the US Borrower or any Subsidiary.

     The US Borrower shall promptly examine a copy of each US Letter of Credit and each amendment
thereto that is delivered to it and, in the event of any claim of noncompliance with the US
Borrower’s instructions or other irregularity, the US Borrower will promptly notify the US L/C
Issuer. The US Borrower shall be conclusively deemed to have waived any such claim against the US
L/C Issuer and its correspondents unless such notice is given as aforesaid.

     (f) Role of US L/C Issuer. Each Lender and the US Borrower agree that, in paying any
drawing under a US Letter of Credit, the US L/C Issuer shall not have any responsibility to

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obtain any document (other than any sight draft, certificates and documents expressly required by the US
Letter of Credit) or to ascertain or inquire as to the validity or accuracy of any such document or
the authority of the Person executing or delivering any such document. None of the US L/C Issuer,
any Agent-Related Person nor any of the respective correspondents, participants or assignees of the
US L/C Issuer shall be liable to any Lender for (i) any action taken or omitted in connection
herewith at the request or with the approval of the Lenders or the US Required Lenders, as
applicable; (ii) any action taken or omitted in the absence of gross negligence or willful
misconduct; or (iii) the due execution, effectiveness, validity or enforceability of any document
or instrument related to any US Letter of Credit or US Letter of Credit Application. The US
Borrower hereby assumes all risks of the acts or omissions of any beneficiary or transferee with
respect to its use of any US Letter of Credit; provided, however, that this
assumption is not intended to, and shall not, preclude the US Borrower’s pursuing such rights and
remedies as it may have against the beneficiary or transferee at law or under any other agreement.
None of the US L/C Issuer, any Agent-Related Person, nor any of the respective correspondents,
participants or assignees of the US L/C Issuer, shall be liable or responsible for any of the
matters described in clauses (i) through (v) of Section 2.04(e); provided,
however, that anything in such clauses to the contrary notwithstanding, the US Borrower may
have a claim against the US L/C Issuer, and the US L/C Issuer may be liable to the US Borrower, to
the extent, but only to the extent, of any direct, as opposed to consequential or exemplary,
damages suffered by the US Borrower which the US Borrower proves were caused by the US L/C Issuer’s
willful misconduct or gross negligence or the US L/C Issuer’s willful failure to pay under any US
Letter of Credit after the presentation to it by the beneficiary of a sight draft and
certificate(s) strictly complying with the terms and conditions of a US Letter of Credit. In
furtherance and not in limitation of the foregoing, the US L/C Issuer may accept documents that
appear on their face to be in order, without responsibility for further investigation, regardless
of any notice or information to the contrary, and the US L/C Issuer shall not be responsible for
the validity or
sufficiency of any instrument transferring or assigning or purporting to transfer or assign a
US Letter of Credit or the rights or benefits thereunder or proceeds thereof, in whole or in part,
which may prove to be invalid or ineffective for any reason.

     (g) Cash Collateral. Upon the request of the Administrative Agent, (i) if the US L/C
Issuer has honored any full or partial drawing request under any US Letter of Credit and such
drawing has resulted in a US L/C Borrowing, or (ii) if, as of the Letter of Credit Expiration Date,
any US Letter of Credit for any reason remains outstanding and partially or wholly undrawn, the US
Borrower shall immediately Cash Collateralize the then Outstanding Amount of all US L/C Obligations
(in an amount equal to such Outstanding Amount determined as of the date of such US L/C Borrowing
or the Letter of Credit Expiration Date, as the case may be). Sections 3.06 and 10.02(c) set forth
certain additional requirements to deliver Cash Collateral hereunder. The US Borrower hereby
grants to the Administrative Agent, for the benefit of the US L/C Issuer and the Lenders, a
security interest in all such cash, deposit accounts and all balances therein and all proceeds of
the foregoing. Such Cash Collateral shall be maintained in blocked deposit accounts at Bank of
America. Pending application thereof, such Cash Collateral shall be invested by the US L/C Issuer
in such investments as the applicable US L/C Issuer may choose in its sole discretion. All
interest on (and other proceeds of) such investments shall be reinvested or applied to US L/C
Obligations or other US Obligations which are due and payable.

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     (h) Applicability of ISP98 and UCP. Unless otherwise expressly agreed by the US L/C
Issuer and the US Borrower when a US Letter of Credit is issued (including any such agreement
applicable to an Existing US Letter of Credit), (i) the rules of the ISP shall apply to each
standby US Letter of Credit, and (ii) the rules of the Uniform Customs and Practice for Documentary
Credits, as most recently published by the International Chamber of Commerce at the time of
issuance shall apply to each commercial US Letter of Credit.

     (i) US Letter of Credit Fees. The US Borrower shall pay to the Administrative Agent
for the account of each Lender in accordance with its Pro Rata Share a US Letter of Credit fee (the
“US Letter of Credit Fee”) for each US Letter of Credit equal to the Applicable Rate
times the daily maximum amount available to be drawn under such US Letter of Credit. US
Letter of Credit Fees shall be (i) computed on a quarterly basis in arrears and (ii) due and
payable on the first Business Day after the end of each March, June, September and December,
commencing with the first such date to occur after the issuance of such US Letter of Credit, on the
Letter of Credit Expiration Date and thereafter on demand. If there is any change in the
Applicable Rate during any quarter, the daily maximum amount of each standby US Letter of Credit
shall be computed and multiplied by the Applicable Rate separately for each period during such
quarter that such Applicable Rate was in effect.

     (j) Fronting Fee and Documentary and Processing Charges Payable to US L/C Issuer. The
US Borrower shall pay directly to the US L/C Issuer for its own account a fronting fee with respect
to each US Letter of Credit in the amount specified in the applicable Fee Letter, payable on the
actual daily maximum amount available to be drawn under such US Letter of Credit. Such fronting
fee shall be computed on a quarterly basis in arrears. Such fronting fee shall be due and payable
on the first Business Day after the end of each March, June, September and December, commencing
with the first such date to occur after the issuance of such US Letter of
Credit, on the Letter of Credit Expiration Date and thereafter on demand. In addition, the US
Borrower shall pay directly to the US L/C Issuer for its own account the customary issuance,
presentation, amendment and other processing fees, and other standard costs and charges, of the US
L/C Issuer relating to letters of credit as agreed to by the US Borrower and the applicable US L/C
Issuer. Such customary fees and standard costs and charges are due and payable on demand and are
nonrefundable.

     (k) Conflict with Issuer Documents. In the event of any conflict between the terms
hereof and the terms of any Issuer Document, the terms hereof shall control.

     (l) Designation of Subsidiaries as Account Parties. Notwithstanding anything to the
contrary set forth in this Agreement, including without limitation Section 2.04(a), a US Letter of
Credit issued hereunder shall, upon the request of the US Borrower, be issued for the account of
any Subsidiary of the US Borrower, provided that notwithstanding such request, the US Borrower
shall be the actual account party for all purposes of this Agreement for such US Letter of Credit,
and such request shall not affect the US Borrower’s reimbursement obligations hereunder with
respect to such US Letter of Credit.

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     2.05 US Swing Line Loans.

     (a) The US Swing Line. Subject to the terms and conditions set forth herein, the US
Swing Line Lender agrees to make loans (each such loan, a “US Swing Line Loan”) to the US
Borrower from time to time on any Business Day during the Availability Period in an aggregate
amount not to exceed at any time outstanding the amount of the US Swing Line Sublimit,
notwithstanding the fact that such US Swing Line Loans, when aggregated with the Pro Rata Share of
the Outstanding Amount of US Committed Loans and US L/C Obligations of the Lender acting as US
Swing Line Lender, may exceed the amount of such Lender’s US Commitment; provided,
however, that after giving effect to any US Swing Line Loan, (i) the Total US Outstandings
shall not exceed the Aggregate US Commitments, and (ii) the aggregate Outstanding Amount of the US
Committed Loans of any Lender, plus such Lender’s Pro Rata Share of the Outstanding Amount
of all US L/C Obligations, plus such Lender’s Pro Rata Share of the Outstanding Amount of
all US Swing Line Loans shall not exceed such Lender’s US Commitment, and provided,
further, that the US Borrower shall not use the proceeds of any US Swing Line Loan to
refinance any outstanding US Swing Line Loan. Within the foregoing limits, and subject to the
other terms and conditions hereof, the US Borrower may borrow under this Section 2.05,
prepay under Section 2.06, and reborrow under this Section 2.05. Each US Swing
Line Loan shall be a US Base Rate Loan. Immediately upon the making of a US Swing Line Loan, each
Lender shall be deemed to, and hereby irrevocably and unconditionally agrees to, purchase from the
US Swing Line Lender a risk participation in such US Swing Line Loan in an amount equal to the
product of such Lender’s Pro Rata Share times the amount of such US Swing Line Loan.

     (b) US Borrowing Procedures. Each US Swing Line Borrowing shall be made upon the US
Borrower’s irrevocable notice to the US Swing Line Lender and the Administrative
Agent, which may be given by telephone. Each such notice must be received by the US Swing Line
Lender and the Administrative Agent not later than 3:00 p.m. on the requested borrowing date, and
shall specify (i) the amount to be borrowed, which shall be a minimum of US $1,000,000, and (ii)
the requested borrowing date, which shall be a Business Day. Each such telephonic notice must be
confirmed promptly by delivery to the US Swing Line Lender and the Administrative Agent of a
written US Swing Line Loan Notice, appropriately completed and signed by a Responsible Officer of
the US Borrower. Promptly after receipt by the US Swing Line Lender of any telephonic US Swing
Line Loan Notice, the US Swing Line Lender will confirm with the Administrative Agent (by telephone
or in writing) that the Administrative Agent has also received such US Swing Line Loan Notice and,
if not, the US Swing Line Lender will notify the Administrative Agent (by telephone or in writing)
of the contents thereof. Unless the US Swing Line Lender has received notice (by telephone or in
writing) from the Administrative Agent (including at the request of any Lender) prior to 4:00 p.m.
on the date of the proposed US Swing Line Borrowing (A) directing the US Swing Line Lender not to
make such US Swing Line Loan as a result of the limitations set forth in the proviso to the first
sentence of Section 2.05(a), or (B) that one or more of the applicable conditions specified
in Article VI is not then satisfied, then, subject to the terms and conditions hereof, the
US Swing Line Lender will, not later than 5:00 p.m. on the borrowing date specified in such US
Swing Line Loan Notice, make the amount of its US Swing Line Loan available to the US Borrower at
its

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office by crediting the account of the US Borrower on the books of the US Swing Line Lender in
immediately available funds.

     (c) Refinancing of US Swing Line Loans.

     (i) The US Swing Line Lender at any time in its sole and absolute discretion may
request, on behalf of the US Borrower (which hereby irrevocably authorizes the US Swing Line
Lender to so request on its behalf), that each Lender make a US Base Rate Committed Loan in
an amount equal to such Lender’s Pro Rata Share of the amount of US Swing Line Loans then
outstanding. Such request shall be made in writing (which written request shall be deemed
to be a US Committed Loan Notice for purposes hereof) and in accordance with the
requirements of Section 2.02, without regard to the minimum and multiples specified
therein for the principal amount of US Base Rate Loans, but subject to the unutilized
portion of the Aggregate US Commitments and the conditions set forth in Section
6.02. The US Swing Line Lender shall furnish the US Borrower with a copy of the
applicable US Committed Loan Notice promptly after delivering such notice to the
Administrative Agent. Each Lender shall make an amount equal to its Pro Rata Share of the
amount specified in such US Committed Loan Notice available to the Administrative Agent in
immediately available funds for the account of the US Swing Line Lender at the
Administrative Agent’s Office not later than 1:00 p.m. on the day specified in such US
Committed Loan Notice, whereupon, subject to Section 2.05(c)(ii), each Lender that
so makes funds available shall be deemed to have made a US Base Rate Committed Loan to the
US Borrower in such amount. The Administrative Agent shall remit the funds so received to
the US Swing Line Lender.

     (ii) If for any reason any US Swing Line Loan cannot be refinanced by such a US
Committed Borrowing in accordance with Section 2.05(c)(i), the request for US Base
Rate Committed Loans submitted by the US Swing Line Lender as set forth herein shall be
deemed to be a request by the US Swing Line Lender that each of the Lenders fund its risk
participation in the relevant US Swing Line Loan and each Lender’s payment to the
Administrative Agent for the account of the US Swing Line Lender pursuant to Section
2.05(c)(i) shall be deemed payment in respect of such participation.

     (iii) If any Lender fails to make available to the Administrative Agent for the account
of the US Swing Line Lender any amount required to be paid by such Lender pursuant to the
foregoing provisions of this Section 2.05(c) by the time specified in Section
2.05(c)(i), the US Swing Line Lender shall be entitled to recover from such Lender
(acting through the Administrative Agent), on demand, such amount with interest thereon for
the period from the date such payment is required to the date on which such payment is
immediately available to the US Swing Line Lender at a rate per annum equal to the Federal
Funds Rate from time to time in effect. A certificate of the US Swing Line Lender submitted
to any Lender (through the Administrative Agent) with respect to any amounts owing under
this clause (iii) shall be conclusive absent manifest error.

     (iv) Each Lender’s obligation to make US Committed Loans or to purchase and fund risk
participations in US Swing Line Loans pursuant to this Section 2.05(c)

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shall be absolute and unconditional and shall not be affected by any circumstance, including (A) any
set-off, counterclaim, recoupment, defense or other right which such Lender may have against
the US Swing Line Lender, the US Borrower or any other Person for any reason whatsoever, (B)
the occurrence or continuance of a Default, or (C) any other occurrence, event or condition,
whether or not similar to any of the foregoing; provided, however, that each
Lender’s obligation to make US Committed Loans pursuant to this Section 2.05(c) is
subject to the conditions set forth in Section 6.02. No such funding of risk
participations shall relieve or otherwise impair the obligation of the US Borrower to repay
US Swing Line Loans, together with interest as provided herein.

     (d) Repayment of Participations.

     (i) At any time after any Lender has purchased and funded a risk participation in a US
Swing Line Loan, if the US Swing Line Lender receives any payment on account of such US
Swing Line Loan, the US Swing Line Lender will distribute to such Lender its Pro Rata Share
of such payment (appropriately adjusted, in the case of interest payments, to reflect the
period of time during which such Lender’s risk participation was funded) in the same funds
as those received by the US Swing Line Lender.

     (ii) If any payment received by the US Swing Line Lender in respect of principal or
interest on any US Swing Line Loan is required to be returned by the US Swing Line Lender
under any of the circumstances described in Section 12.07 (including pursuant to any
settlement entered into by the US Swing Line Lender in its discretion), each Lender shall
pay to the US Swing Line Lender its Pro Rata Share thereof on demand of the Administrative
Agent, plus interest thereon from the date of such demand to the date such amount is
returned, at a rate per annum equal to the Federal Funds Rate. The
Administrative Agent will make such demand upon the request of the US Swing Line
Lender.

     (e) Interest for Account of US Swing Line Lender. The US Swing Line Lender shall be
responsible for invoicing the US Borrower for interest on the US Swing Line Loans. Until each
Lender funds its US Base Rate Committed Loan or risk participation pursuant to this Section
2.05 to refinance such Lender’s Pro Rata Share of any US Swing Line Loan, interest in respect
of such Pro Rata Share shall be solely for the account of the US Swing Line Lender.

     (f) Payments Directly to US Swing Line Lender. The US Borrower shall make all
payments of principal and interest in respect of the US Swing Line Loans directly to the US Swing
Line Lender.

     2.06 Prepayments.

     (a) The US Borrower may, upon notice to the Administrative Agent, at any time or from time to
time voluntarily prepay US Committed Loans in whole or in part without premium or penalty;
provided that (i) such notice must be received by the Administrative Agent not later than
11:00 a.m. (A) two Business Days prior to any date of prepayment of US Eurodollar Rate Committed
Loans and (B) on the date of prepayment of US Base Rate Committed Loans; (ii) any

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prepayment of US
Eurodollar Rate Committed Loans shall be in a principal amount of US $5,000,000 or a whole multiple
of US $1,000,000 in excess thereof; and (iii) any prepayment of US Base Rate Committed Loans shall
be in a principal amount of US $1,000,000 or a whole multiple of US $100,000 in excess thereof or,
in each case, if less, the entire principal amount thereof then outstanding. Each such notice
shall specify the date and amount of such prepayment and the Type(s) of US Committed Loans to be
prepaid. The Administrative Agent will promptly notify each Lender of its receipt of each such
notice, and of the amount of such Lender’s Pro Rata Share of such prepayment. If such notice is
given by the US Borrower, the US Borrower shall make such prepayment and the payment amount
specified in such notice shall be due and payable on the date specified therein. Any prepayment of
a US Dollar Eurodollar Rate Loan shall be accompanied by all accrued interest thereon, together
with any additional amounts required pursuant to Section 5.05. Each such prepayment shall
be applied to the US Committed Loans of the Lenders in accordance with their respective Pro Rata
Shares.

     (b) No US Bid Loan may be prepaid without the prior consent of the applicable US Bid Loan
Lender.

     (c) The US Borrower may, upon notice to the US Swing Line Lender (with a copy to the
Administrative Agent), at any time or from time to time, voluntarily prepay US Swing Line Loans in
whole or in part without premium or penalty; provided that (i) such notice must be received
by the US Swing Line Lender and the Administrative Agent not later than 1:00 p.m. on the date of
the prepayment, and (ii) any such prepayment shall be in a minimum principal amount of US
$1,000,000. Each such notice shall specify the date and amount of such prepayment. If such notice
is given by the US Borrower, the US Borrower shall make such
prepayment and the payment amount specified in such notice shall be due and payable on the
date specified therein.

     (d) If for any reason the Total US Outstandings at any time exceed the Aggregate US
Commitments then in effect, the US Borrower shall immediately prepay Loans and/or Cash
Collateralize the US L/C Obligations in an aggregate amount equal to such excess; provided,
however, that the US Borrower shall not be required to Cash Collateralize the US L/C
Obligations pursuant to this Section 2.06(d) unless after the prepayment in full of the US
Committed Loans and US Swing Line Loans the Total US Outstandings exceed the Aggregate US
Commitments then in effect.

     2.07 Repayment of US Loans.

     (a) The US Borrower shall repay to each Lender on the Maturity Date the aggregate principal
amount of its US Committed Loans and all other US Obligations owing to such Lender outstanding on
such date.

     (b) The US Borrower shall repay each US Bid Loan on the last day of the Interest Period in
respect thereof.

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ARTICLE III.

CANADIAN SUBFACILITY

     3.01 Canadian Committed Loans. Subject to the terms and conditions set forth herein, each Canadian
Lender severally agrees to make loans (each such loan, a “Canadian Committed Loan”) to each
Canadian Borrower from time to time, on any Business Day during the Availability Period, in an
aggregate amount not to exceed at any time outstanding the amount of the Canadian Commitment of
such Canadian Lender; provided, however, that after giving effect to any Canadian
Committed Borrowing, (i) the Total Canadian Outstandings (calculated, as necessary, at the US
Dollar Equivalent thereof) shall not exceed the Aggregate Canadian Commitments, and (ii) the
aggregate Outstanding Amount of the Canadian Committed Loans of any Canadian Lender, plus
such Canadian Lender’s Pro Rata Share of the Outstanding Amount of all Canadian L/C Obligations,
plus such Canadian Lender’s Pro Rata Share of the Outstanding Amount of all Canadian Swing
Line Loans plus such Canadian Lender’s Bankers’ Acceptances (in each case, calculated, as
necessary, at the US Dollar Equivalent thereof) shall not exceed the Canadian Commitment of such
Canadian Lender. Within the limits of the Canadian Commitment of each Canadian Lender, and subject
to the other terms and conditions hereof, each Canadian Borrower may borrow under this Section
3.01, prepay under Section 3.06, and reborrow under this Section 3.01.
Canadian Committed Loans may be Canadian Prime Rate Loans, Canadian Base Rate Committed Loans,
Canadian Dollar Eurodollar Rate Loans or Canadian US Eurodollar Rate Committed Loans, as further
provided herein.

     3.02 Canadian Borrowings, Conversions and Continuations of Canadian Committed Loans.

     (a) Each Canadian Committed Borrowing, each conversion of Canadian Committed Loans from one
Type to another, and each continuation of Canadian Eurodollar Rate Committed Loans or Canadian US
Eurodollar Rate Committed Loans shall be made upon the applicable Canadian Borrower’s irrevocable
notice to the Administrative Agent, which may be given by telephone. Each such notice must be
received by the Administrative Agent not later than 11:00 a.m. (i) three Business Days prior to the
requested date of any Canadian Borrowing of, conversion to or continuation of Canadian Eurodollar
Rate Committed Loans or Canadian US Eurodollar Rate Committed Loans or of any conversion of
Canadian Eurodollar Rate Committed Loans or Canadian US Eurodollar Rate Committed Loans to Canadian
Prime Rate Committed Loans or Canadian Base Rate Committed Loans, and (ii) on the requested date of
any Canadian Borrowing of Canadian Base Rate Committed Loans or Canadian Prime Rate Committed
Loans. Each telephonic notice by the Canadian Borrower pursuant to this Section 3.02(a)
must be confirmed promptly by delivery to the Administrative Agent of a written Canadian Committed
Borrowing Notice, appropriately completed and signed by a Responsible Officer of the applicable
Canadian Borrower. Each Canadian Borrowing of, conversion to or continuation of Canadian
Eurodollar Rate Committed Loans or Canadian US Eurodollar Rate Committed Loans shall be in a
principal amount of $5,000,000 in the Applicable Currency or a whole multiple of $1,000,000 of the
Applicable Currency in excess

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 thereof. Each Canadian Committed
Borrowing Notice (whether telephonic or written) shall specify (i) whether the applicable Canadian
Borrower is requesting a Canadian Committed Borrowing, a conversion of Canadian Committed Loans
from one Type to another, or a continuation of Canadian Eurodollar Rate Committed Loans or Canadian
US Eurodollar Rate Committed Loans, (ii) the requested date of the Canadian Borrowing, conversion
or continuation, as the case may be (which shall be a Business Day), (iii) the principal amount of
Canadian Committed Loans to be borrowed, converted or continued, (iv) the Type of Canadian
Committed Loans to be borrowed or to which existing Canadian Committed Loans are to be converted,
and (v) if applicable, the duration of the Interest Period with respect thereto. If the Canadian
Borrower fails to specify a Type of Canadian Committed Loan in a Canadian Committed Borrowing
Notice or if the applicable Canadian Borrower fails to give a timely notice requesting a conversion
or continuation, then the applicable Canadian Loans denominated in Canadian Dollars shall be made
as, or converted to, Canadian Prime Rate Committed Loans and the applicable Canadian Loans
denominated in US Dollars shall be made as, or converted to, Canadian Base Rate Committed Loans.
Any such automatic conversion shall be effective as of the last day of the Interest Period then in
effect with respect to the applicable Canadian Eurodollar Rate Committed Loans or the applicable
Canadian US Eurodollar Rate Committed Loans. If a Canadian Borrower requests a Canadian Committed
Borrowing of, conversion to, or continuation of Canadian Eurodollar Rate Committed Loans in any
such Canadian Committed
Borrowing Notice, but fails to specify an Interest Period, it will be deemed to have specified
an Interest Period of one month.

     (b) Following receipt of a Canadian Committed Borrowing Notice, the Administrative Agent shall
promptly notify each Canadian Lender of the amount of its Pro Rata Share of the applicable Canadian
Committed Loans, and if no timely notice of a conversion or continuation is provided by the
applicable Canadian Borrower, the Administrative Agent shall notify each Canadian Lender of the
details of any automatic conversion to Canadian Prime Rate Committed Loans or Canadian Base Rate
Committed Loans described in the preceding subsection. In the case of a Canadian Committed
Borrowing, each Canadian Lender shall make the amount of its Canadian Committed Loan available to
the Administrative Agent in immediately available funds at the Administrative Agent’s Office not
later than 1:00 p.m. on the Business Day specified in the applicable Canadian Committed Borrowing
Notice. Upon satisfaction of the applicable conditions set forth in Section 6.02 (and, if
such Canadian Borrowing is the initial Canadian Credit Extension, Section 6.01), the
Administrative Agent shall make all funds so received available to the applicable Canadian Borrower
in like funds as received by the Administrative Agent either by (i) crediting the account of the
applicable Canadian Borrower on the books of Bank of America, acting through its Canadian Branch
with the amount of such funds or (ii) wire transfer of such funds, in each case in accordance with
instructions provided to (and reasonably acceptable to) the Administrative Agent by the applicable
Canadian Borrower; provided, however, that if, on the date the Canadian Committed
Borrowing Notice with respect to such Canadian Borrowing is given by the applicable Canadian
Borrower, there are Canadian L/C Borrowings outstanding, then the proceeds of such Canadian
Borrowing, first, shall be applied, to the payment in full of any such Canadian L/C
Borrowings, and second, shall be made available to the applicable Canadian Borrower as
provided above.

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     (c) Except as otherwise provided herein, a Canadian Eurodollar Rate Committed Loan or a
Canadian US Eurodollar Rate Committed Loan may be continued or converted only on the last day of an
Interest Period for such Committed Loan. During the existence of an Event of Default, no Loans may
be requested as, converted to or continued as Canadian Eurodollar Rate Committed Loans or a
Canadian US Eurodollar Rate Committed Loan without the consent of the Canadian Required Lenders.

     (d) The Administrative Agent shall promptly notify the Canadian Borrowers and the Canadian
Lenders of the interest rate applicable to any Interest Period for a Canadian Eurodollar Rate
Committed Loan or a Canadian US Eurodollar Rate Committed Loan upon determination of such interest
rate. The determination of the Canadian Dollar Eurodollar Rate or US Dollar Eurodollar Rate by the
Administrative Agent shall be conclusive in the absence of manifest error. At any time that
Canadian Prime Rate Loans or Canadian Base Rate Committed Loans are outstanding, the Administrative
Agent shall notify the Canadian Borrowers and the Canadian Lenders of any change in the prime rate
or base rate used in determining the Canadian Prime Rate Loans or Canadian US Dollar Base Rate
promptly following the public announcement of such change.

     (e) After giving effect to all Canadian Committed Borrowings, all conversions of Canadian
Committed Loans from one Type to another, and all continuations of Canadian
Committed Loans as the same Type, there shall not be more than ten Interest Periods in effect
with respect to Canadian Committed Loans for each Canadian Borrower.

     (f) Except as otherwise provided herein, a Canadian Bankers’ Acceptance may be rolled over or
converted only on its maturity date. During the existence of a Default, no Canadian Borrowings may
be requested as or converted to, and no Canadian Bankers’ Acceptances may be rolled over as new
Canadian Bankers’ Acceptances without the consent of Canadian Required Lenders.

     3.03 Canadian Bid Loans.

     (a) General. Subject to the terms and conditions set forth herein, each Canadian
Lender agrees that each Canadian Borrower may from time to time request the Canadian Lenders to
submit offers to make loans (each such loan, a “Canadian Bid Loan”) for requested
maturities of thirty (30) days or more to the Canadian Borrowers prior to the Maturity Date
pursuant to this Section 3.03; provided, however, that after giving effect
to any Canadian Bid Borrowing, the Total Canadian Outstandings shall not exceed the Aggregate
Canadian Commitments. There shall not be more than five different Interest Periods in effect with
respect to Canadian Bid Loans at any time.

     (b) Requesting Canadian Competitive Bids. A Canadian Borrower may request the
submission of Canadian Competitive Bids by delivering a Canadian Bid Request to the Administrative
Agent not later than 12:00 noon (i) one Business Day prior to the requested date of any Canadian
Bid Borrowing that is to consist of Canadian Absolute Rate Loans, or (ii) four Business Days prior
to the requested date of any Canadian Bid Borrowing that is to consist of Canadian Eurodollar
Margin Bid Loans. Each Canadian Bid Request shall specify (i) the

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requested date of the Canadian
Bid Borrowing (which shall be a Business Day), (ii) the aggregate principal amount of Canadian Bid
Loans requested (which must be C$5,000,000 or a whole multiple of C$1,000,000 in excess thereof),
(iii) the Type of Canadian Bid Loans requested, and (iv) the duration of the Interest Period with
respect thereto, and shall be signed by a Responsible Officer of the Canadian Borrower. No
Canadian Bid Request shall contain a request for (i) more than one Type of Canadian Bid Loan or
(ii) Canadian Bid Loans having more than three different Interest Periods. Unless the
Administrative Agent otherwise agrees in its sole and absolute discretion, the Canadian Borrowers
may not submit a Canadian Bid Request if it has submitted another Canadian Bid Request within the
prior five Business Days.

     (c) Submitting Canadian Competitive Bids.

     (i) The Administrative Agent shall promptly notify each Canadian Lender of each
Canadian Bid Request received by it from a Canadian Borrower and the contents of such
Canadian Bid Request.

     (ii) Each Canadian Lender may (but shall have no obligation to) submit a Canadian
Competitive Bid containing an offer to make one or more Canadian Bid Loans
in response to such Canadian Bid Request. Such Canadian Competitive Bid must be
delivered to the Administrative Agent not later than 10:30 a.m. (A) on the requested date of
any Canadian Bid Borrowing that is to consist of Canadian Absolute Rate Loans, and (B) three
Business Days prior to the requested date of any Canadian Bid Borrowing that is to consist
of Canadian Eurodollar Margin Bid Loans; provided, however, that any
Canadian Competitive Bid submitted by Bank of America in its capacity as a Canadian Lender
in response to any Canadian Bid Request must be submitted to the Administrative Agent not
later than 10:15 a.m. on the date on which Canadian Competitive Bids are required to be
delivered by the other Canadian Lenders in response to such Canadian Bid Request. Each
Canadian Competitive Bid shall specify (A) the proposed date of the Canadian Bid Borrowing;
(B) the principal amount of each Canadian Bid Loan for which such Canadian Competitive Bid
is being made, which principal amount (x) may be equal to, greater than or less than the
Canadian Commitment of the bidding Canadian Lender, (y) must be C$5,000,000 or a whole
multiple of C$1,000,000 in excess thereof, and (z) may not exceed the principal amount of
Canadian Bid Loans for which Canadian Competitive Bids were requested; (C) if the proposed
Canadian Bid Borrowing is to consist of Canadian Absolute Rate Loans, the Absolute Rate
offered for each such Canadian Bid Loan and the Interest Period applicable thereto; (D) if
the proposed Canadian Bid Borrowing is to consist of Canadian Eurodollar Margin Bid Loans,
the Canadian Eurodollar Bid Margin with respect to each such Canadian Eurodollar Margin Bid
Loan and the Interest Period applicable thereto; and (E) the identity of the bidding
Canadian Lender.

     (iii) Any Canadian Competitive Bid shall be disregarded if it (A) is received after the
applicable time specified in clause (ii) above, (B) is not substantially in the form of a
Canadian Competitive Bid as specified herein, (C) contains qualifying, conditional or
similar language, (D) proposes terms other than or in addition to those set forth in the
applicable Canadian  Bid Request, or (E) is otherwise not responsive to such Canadian

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Bid
Request. Any Canadian Lender may correct a Canadian Competitive Bid containing a manifest
error by submitting a corrected Canadian Competitive Bid (identified as such) not later than
the applicable time required for submission of Canadian Competitive Bids. Any such
submission of a corrected Canadian Competitive Bid shall constitute a revocation of the
Canadian Competitive Bid that contained the manifest error. The Administrative Agent may,
but shall not be required to, notify any Canadian Lender of any manifest error it detects in
such Canadian Lender’s Canadian Competitive Bid.

     (iv) Subject only to the provisions of Sections 5.02, 5.03 and
6.02 and clause (iii) above, each Canadian Competitive Bid shall be irrevocable.

     (d) Notice to Canadian Borrowers of Canadian Competitive Bids. Not later than 11:00
a.m. (i) on the requested date of any Canadian Bid Borrowing that is to consist of Canadian
Absolute Rate Loans, or (ii) three Business Days prior to the requested date of any Canadian Bid
Borrowing that is to consist of Canadian Eurodollar Margin Bid Loans, the Administrative Agent
shall notify the applicable Canadian Borrower of the identity of each Canadian Lender that has
submitted a Canadian Competitive Bid that complies with Section 3.03(c) and of the terms of
the offers contained in each such Canadian Competitive Bid.

     (e) Acceptance of Canadian Competitive Bids. Not later than 11:30 a.m. (i) on the
requested date of any Canadian Bid Borrowing that is to consist of Canadian Absolute Rate Loans,
and (ii) three Business Days prior to the requested date of any Canadian Bid Borrowing that is to
consist of Canadian Eurodollar Margin Bid Loans, the applicable Canadian Borrower shall notify the
Administrative Agent of its acceptance or rejection of the offers notified to it pursuant to
Section 3.03(d). The applicable Canadian Borrower shall be under no obligation to accept
any Canadian Competitive Bid and may choose to reject all Canadian Competitive Bids. In the case
of acceptance, such notice shall specify the aggregate principal amount of Canadian Competitive
Bids for each Interest Period that is accepted. The applicable Canadian Borrower may accept any
Canadian Competitive Bid in whole or in part; provided that:

     (i) the aggregate principal amount of each Canadian Bid Borrowing may not exceed the
applicable amount set forth in the related Canadian Bid Request;

     (ii) the principal amount of each Canadian Bid Loan must be C$5,000,000 or a whole
multiple of C$1,000,000 in excess thereof;

     (iii) the acceptance of offers may be made only on the basis of ascending Absolute
Rates or Canadian Eurodollar Bid Margins within each Interest Period; and

     (iv) the Canadian Borrower may not accept any offer that is described in Section
3.03(c)(iii) or that otherwise fails to comply with the requirements hereof.

     (f) Procedure for Identical Canadian Bids. If two or more Canadian Lenders have
submitted Canadian Competitive Bids at the same Absolute Rate or Canadian Eurodollar Bid Margin, as
the case may be, for the same Interest Period, and the result of accepting all of such Canadian
Competitive Bids in whole (together with any other Canadian Competitive Bids at

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lower Absolute Rates or Canadian Eurodollar Bid Margins, as the case may be, accepted for such Interest Period in
conformity with the requirements of Section 3.03(e)(iii)) would be to cause the aggregate
outstanding principal amount of the applicable Canadian Bid Borrowing to exceed the amount
specified therefor in the related Canadian Bid Request, then, unless otherwise agreed by the
Canadian Borrower, the Administrative Agent and such Canadian Lenders, such Canadian Competitive
Bids shall be accepted as nearly as possible in proportion to the amount offered by each such
Canadian Lender in respect of such Interest Period, with such accepted amounts being rounded to the
nearest whole multiple of C$1,000,000.

     (g) Notice to Canadian Lenders of Acceptance or Rejection of Canadian Bids. The
Administrative Agent shall promptly notify each Canadian Lender having submitted a Canadian
Competitive Bid whether or not its offer has been accepted and, if its offer has been accepted, of
the amount of the Canadian Bid Loan or Canadian Bid Loans to be made by it on the date of the
applicable Canadian Bid Borrowing. Any Canadian Competitive Bid or portion thereof that is not
accepted by the applicable Canadian Borrower by the applicable time specified in Section
3.03(e) shall be deemed rejected.

     (h) Notice of Canadian Dollar Eurodollar Rate. If any Canadian Bid Borrowing is to
consist of Eurodollar Margin Loans, the Administrative Agent shall determine the Canadian
Dollar Eurodollar Rate for the relevant Interest Period, and promptly after making such
determination, shall notify the Canadian Borrower and the Canadian Lenders that will be
participating in such Canadian Bid Borrowing of such Canadian Dollar Eurodollar Rate.

     (i) Funding of Canadian Bid Loans. Each Canadian Lender that has received notice
pursuant to Section 3.03(g) that all or a portion of its Canadian Competitive Bid has been
accepted by the applicable Canadian Borrower shall make the amount of its Canadian Bid Loan(s)
available to the Administrative Agent in immediately available funds at the Administrative Agent’s
Office not later than 1:00 p.m. on the date of the requested Canadian Bid Borrowing. Upon
satisfaction of the applicable conditions set forth in Section 6.02, the Administrative
Agent shall make all funds so received available to the applicable Canadian Borrower in like funds
as received by the Administrative Agent.

     (j) Notice of Range of Canadian Bids. After each Canadian Competitive Bid auction
pursuant to this Section 3.03, the Administrative Agent shall notify each Canadian Lender
that submitted a Canadian Competitive Bid in such auction of the ranges of bids submitted (without
the bidder’s name) and accepted for each Canadian Bid Loan and the aggregate amount of each
Canadian Bid Borrowing.

     3.04 Canadian Letters of Credit.

     (a) The Letter of Credit Commitment.

     (i) Subject to the terms and conditions set forth herein, (A) the Canadian L/C Issuer
agrees, in reliance upon the agreements of the other Canadian Lenders set forth in this
Section 3.04 (1) from time to time on any Business Day during the period from the
Effective Date until the Letter of Credit Expiration Date, to issue Canadian Letters of

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Credit for the account of the applicable Canadian Borrower, and to amend or renew Canadian
Letters of Credit previously issued by it, in accordance with subsection (b) below, and (2)
to honor drawings under the Canadian Letters of Credit; and (B) the Canadian Lenders
severally agree to participate in Canadian Letters of Credit issued for the account of a
Canadian Borrower and any drawings thereunder; provided that after giving effect to
any Canadian L/C Credit Extension with respect to any Letter of Credit, (w) the Total
Canadian Outstandings shall not exceed the Aggregate Canadian Commitments, (x) the aggregate
Outstanding Amount of the Canadian Committed Borrowings of any Canadian Lender, plus
such Canadian Lender’s Pro Rata Share of the Outstanding Amount of all Canadian L/C
Obligations, plus such Canadian Lender’s Pro Rata Share of the Outstanding Amount of
all Canadian Swing Line Loans shall not exceed such Canadian Lender’s Canadian Commitment,
(y) the Outstanding Amount of the Canadian L/C Obligations shall not exceed the Canadian
Letter of Credit Sublimit, and (z) the Outstanding Amount of such L/C Issuer’s (and, if
applicable, its US Affiliate’s) L/C Obligations shall not exceed the L/C Issuance Global
Sublimit for such L/C Issuer. Each request by a Canadian Borrower for the issuance or
amendment of a Letter of Credit shall be deemed to be a representation by such Canadian
Borrower that
the Canadian L/C Credit Extension so requested complies with the conditions set forth
in the proviso to the preceding sentence. Within the foregoing limits, and subject to the
terms and conditions hereof, each Canadian Borrower’s ability to obtain Canadian Letters of
Credit shall be fully revolving, and accordingly each Canadian Borrower may, during the
foregoing period, obtain Canadian Letters of Credit to replace Canadian Letters of Credit
that have expired or that have been drawn upon and reimbursed. All Existing Canadian
Letters of Credit shall be deemed to have been issued pursuant hereto, and from and after
the Effective Date shall be subject to and governed by the terms and conditions hereof.

     (ii) The Canadian L/C Issuer shall not issue any Letter of Credit if the expiry date of
such requested Letter of Credit would occur after the Letter of Credit Expiration Date,
unless all the Canadian Lenders have approved such expiry date.

     (iii) The Canadian L/C Issuer shall not be under any obligation to issue any Letter of
Credit if:

     (A) any order, judgment or decree of any Governmental Authority or arbitrator
shall by its terms purport to enjoin or restrain the Canadian L/C Issuer from
issuing such Letter of Credit, or any Law applicable to the Canadian L/C Issuer or
any request or directive (whether or not having the force of law) from any
Governmental Authority with jurisdiction over the Canadian L/C Issuer shall
prohibit, or request that the Canadian L/C Issuer refrain from, the issuance of
letters of credit generally or such Letter of Credit in particular or shall impose
upon the Canadian L/C Issuer with respect to such Letter of Credit any restriction,
reserve or capital requirement (for which the Canadian L/C Issuer is not otherwise
compensated hereunder) not in effect on the Closing Date, or shall impose upon the
Canadian L/C Issuer any unreimbursed loss, cost or expense which was not applicable
on the Closing Date and which the Canadian L/C Issuer in good faith

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deems material
to it, unless the applicable Canadian Borrower confirms that it will pay the
foregoing;

     (B) the issuance of such Letter of Credit would violate any Laws;

     (C) except as otherwise agreed by the Administrative Agent and the Canadian L/C
Issuer, such Letter of Credit is in an initial face amount less than C$10,000 or US
$10,000, as the case may be; or

     (D) such Letter of Credit is to be denominated in a currency other than
Canadian Dollars or US Dollars.

     (iv) The Canadian L/C Issuer shall not amend any Letter of Credit if the Canadian L/C
Issuer would not be permitted at such time to issue such Letter of Credit in its amended
form under the terms hereof.

     (v) The Canadian L/C Issuer shall be under no obligation to amend any Letter of Credit
if (A) the Canadian L/C Issuer would have no obligation at such time to issue such Letter of
Credit in its amended form under the terms hereof, or (B) the beneficiary of such Letter of
Credit does not accept the proposed amendment to such Letter of Credit.

     (b) Procedures for Issuance and Amendment of Canadian Letters of Credit.

     (i) Each Canadian Letter of Credit shall be issued or amended, as the case may be, upon
the request of the applicable Canadian Borrower delivered to the Canadian L/C Issuer (with a
copy to the Administrative Agent) in the form of a Canadian Letter of Credit Application,
appropriately completed and signed by a Responsible Officer of the applicable Canadian
Borrower. Such Canadian Letter of Credit Application must be received by the Canadian L/C
Issuer and the Administrative Agent not later than 11:00 a.m. at least three Business Days
(or such later date and time as the Administrative Agent and the Canadian L/C Issuer may
agree in a particular instance in their sole discretion) prior to the proposed issuance date
or date of amendment, as the case may be. In the case of a request for an initial issuance
of a Canadian Letter of Credit, such Canadian Letter of Credit Application shall specify in
form and detail satisfactory to the Canadian L/C Issuer: (A) the proposed issuance date of
the requested Canadian Letter of Credit (which shall be a Business Day); (B) the amount
thereof; (C) the expiry date thereof; (D) the name and address of the beneficiary thereof;
(E) the documents to be presented by such beneficiary in case of any drawing thereunder; (F)
the full text of any certificate to be presented by such beneficiary in case of any drawing
thereunder; and (G) such other matters as the Canadian L/C Issuer may reasonably require.
In the case of a request for an amendment of any outstanding Canadian Letter of Credit, such
Canadian Letter of Credit Application shall specify in form and detail satisfactory to the
Canadian L/C Issuer (A) the Canadian Letter of Credit to be amended; (B) the proposed date
of amendment thereof (which shall be a Business Day); (C) the nature of the proposed
amendment; and (D) such other matters as the Canadian L/C Issuer may require. Additionally,
the applicable Canadian Borrower shall furnish to the Canadian L/C Issuer and the

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Administrative Agent such other documents and information pertaining to such requested
Letter of Credit issuance or amendment, including any Issuer Documents, as the Canadian L/C
Issuer or the Administrative Agent may reasonably require.

     (ii) Promptly after receipt of any Canadian Letter of Credit Application, the Canadian
L/C Issuer will confirm with the Administrative Agent (by telephone or in writing) that the
Administrative Agent has received a copy of such Canadian Letter of Credit Application from
the applicable Canadian Borrower and, if not, the Canadian L/C Issuer will provide the
Administrative Agent with a copy thereof. Unless the Canadian L/C Issuer has received
written notice from any Canadian Lender, the Administrative Agent or any Loan Party, at
least one Business Day prior to the requested date of issuance or amendment of the
applicable Letter of Credit, that one or more applicable conditions contained in Article
VI shall not then be satisfied, then, subject to the terms and conditions hereof, the
Canadian L/C Issuer shall, on the requested date, issue a Letter of Credit for the account
of the applicable Canadian Borrower or enter into the applicable amendment, as the case may
be, in each case in accordance with the Canadian L/C
Issuer’s usual and customary business practices. Immediately upon the issuance of each
Canadian Letter of Credit, each Canadian Lender shall be deemed to, and hereby irrevocably
and unconditionally agrees to, purchase from the Canadian L/C Issuer a risk participation in
such Canadian Letter of Credit in an amount equal to the product of such Canadian Lender’s
Pro Rata Share times the amount of such Canadian Letter of Credit.

     (iii) Promptly after its delivery of any Canadian Letter of Credit or any amendment to
a Canadian Letter of Credit to an advising bank with respect thereto or to the beneficiary
thereof, the Canadian L/C Issuer will also deliver to the applicable Canadian Borrower and
the Administrative Agent a true and complete copy of such Canadian Letter of Credit or
amendment.

     (c) Drawings and Reimbursements; Funding of Participations.

     (i) Upon receipt from the beneficiary of any Canadian Letter of Credit of any notice of
a drawing under such Letter of Credit, the Canadian L/C Issuer shall notify the applicable
Canadian Borrower and the Administrative Agent thereof. Not later than 11:00 a.m. on the
date of any payment by the Canadian L/C Issuer under a Letter of Credit (each such date, a
“Canadian Honor Date”), the applicable Canadian Borrower shall reimburse the
Canadian L/C Issuer through the Administrative Agent in an amount equal to the amount of
such drawing whether by way of Canadian Prime Rate Committed Loans or Canadian Base Rate
Committed Loans or otherwise. If the applicable Canadian Borrower fails so to reimburse the
Canadian L/C Issuer by such time, the Administrative Agent shall promptly notify each
Canadian Lender of the Canadian Honor Date, the amount of the unreimbursed drawing (the
“Canadian Unreimbursed Amount”), and the amount of such Canadian Lender’s Pro Rata
Share thereof. In such event, the applicable Canadian Borrower shall be deemed to have
requested a Canadian Committed Borrowing of Canadian Prime Rate Committed Loans or Canadian
Base Rate Committed Loans, if applicable, to be disbursed on the Canadian Honor Date in an
amount equal to the Canadian Unreimbursed Amount, without regard to

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the minimum and
multiples specified in Section 3.02 for the principal amount of Canadian Prime Rate
Committed Loans or Canadian Base Rate Committed Loans, but subject to the amount of the
unutilized portion of the Aggregate Canadian Commitments and whether or not the conditions
set forth in Section 6.02 are satisfied. Any notice given by the Canadian L/C
Issuer or the Administrative Agent pursuant to this Section 3.04(c)(i) may be given
by telephone if immediately confirmed in writing; provided that the lack of such an
immediate confirmation shall not affect the conclusiveness or binding effect of such notice.

     (ii) Each Canadian Lender (including the Canadian Lender acting as Canadian L/C Issuer)
shall upon any notice pursuant to Section 3.04(c)(i) make funds available to the
Administrative Agent for the account of the Canadian L/C Issuer at the Administrative
Agent’s Office in an amount equal to its Pro Rata Share of the Canadian Unreimbursed Amount
not later than 1:00 p.m. on the Business Day specified in such notice by the Administrative
Agent, whereupon, subject to the provisions of Section 3.04(c)(iii), each Canadian
Lender that so makes funds available shall be deemed
to have made a Canadian Loan in the form of a Canadian Prime Rate Committed Loan or
Canadian Base Rate Committed Loans, to the applicable Canadian Borrower in such amount. The
Administrative Agent shall remit the funds so received to the Canadian L/C Issuer.

     (iii) With respect to any Canadian Unreimbursed Amount that is not fully refinanced by
Canadian Prime Rate Committed Loans or Canadian Base Rate Committed Loans because the
conditions set forth in Section 6.02 cannot be satisfied or for any other reason,
the applicable Canadian Borrower shall be deemed to have incurred from the Canadian L/C
Issuer a Canadian L/C Borrowing in the amount of the Canadian Unreimbursed Amount that is
not so refinanced, which Canadian L/C Borrowing shall be due and payable on demand (together
with interest) and shall bear interest at a rate per annum equal to (i) for the first three
(3) Business Days after the date of such Canadian L/C Borrowing, the Canadian Prime Rate or
the Canadian US Dollar Base Rate, as applicable, and (ii) thereafter such rate plus two
percent (2%). In such event, each Canadian Lender’s payment to the Administrative Agent for
the account of the Canadian L/C Issuer pursuant to Section 3.04(c)(ii) shall be
deemed payment in respect of its participation in such Canadian L/C Borrowing and shall
constitute a Canadian L/C Advance from such Canadian Lender in satisfaction of its
participation obligation under this Section 3.04.

     (iv) Until each Canadian Lender funds its Canadian Committed Loan or Canadian L/C
Advance pursuant to this Section 3.04(c) to reimburse the Canadian L/C Issuer for
any amount drawn under any Letter of Credit, interest in respect of such Canadian Lender’s
Pro Rata Share of such amount shall be solely for the account of the Canadian L/C Issuer.

     (v) Each Canadian Lender’s obligation to make Canadian Committed Loans or Canadian L/C
Advances to reimburse the Canadian L/C Issuer for amounts drawn under Canadian Letters of
Credit, as contemplated by this Section 3.04(c), shall be

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absolute and unconditional
and shall not be affected by any circumstance, including (A) any set-off, counterclaim,
recoupment, defense or other right which such Canadian Lender may have against the Canadian
L/C Issuer, the applicable Canadian Borrower or any other Person for any reason whatsoever;
(B) the occurrence or continuance of a Default, or (C) any other occurrence, event or
condition, whether or not similar to any of the foregoing. No such making of a Canadian L/C
Advance shall relieve or otherwise impair the obligation of the applicable Canadian Borrower
to reimburse the Canadian L/C Issuer for the amount of any payment made by the Canadian L/C
Issuer under any Letter of Credit, together with interest as provided herein.

     (vi) If any Canadian Lender fails to make available to the Administrative Agent for the
account of the Canadian L/C Issuer any amount required to be paid by such Canadian Lender
pursuant to the foregoing provisions of this Section 3.04(c) by the time specified
in Section 3.04(c), the Canadian L/C Issuer shall be entitled to recover from such
Canadian Lender (acting through the Administrative Agent), on demand, such amount with
interest thereon for the period from the date such payment is required to the
date on which such payment is immediately available to the Canadian L/C Issuer at a
rate per annum equal to the Canadian Prime Rate or the Canadian US Dollar Base Rate, as
applicable, from time to time in effect. A certificate of the Canadian L/C Issuer submitted
to any Canadian Lender (through the Administrative Agent) with respect to any amounts owing
under this clause (vi) shall be conclusive absent manifest error.

     (d) Repayment of Participations.

     (i) At any time after the Canadian L/C Issuer has made a payment under any Letter of
Credit and has received from any Canadian Lender such Canadian Lender’s Canadian L/C Advance
in respect of such payment in accordance with Section 3.04(c), if the Administrative
Agent receives for the account of the Canadian L/C Issuer any payment in respect of the
related Canadian Unreimbursed Amount or interest thereon (whether directly from the
applicable Canadian Borrower or otherwise, including proceeds of Cash Collateral applied
thereto by the Administrative Agent), the Administrative Agent will distribute to such
Canadian Lender its Pro Rata Share thereof (appropriately adjusted, in the case of interest
payments, to reflect the period of time during which such Canadian Lender’s Canadian L/C
Advance was outstanding) in the same funds as those received by the Administrative Agent.

     (ii) If any payment received by the Administrative Agent for the account of the
Canadian L/C Issuer pursuant to Section 3.04(c)(i) is required to be returned under
any of the circumstances described in Section 12.07 (including pursuant to any
settlement entered into by the Canadian L/C Issuer in its discretion), each Canadian Lender
shall pay to the Administrative Agent for the account of the Canadian L/C Issuer its Pro
Rata Share thereof on demand of the Administrative Agent, plus interest thereon from the
date of such demand to the date such amount is returned by such Canadian Lender, at a rate
per annum equal to the Canadian Prime Rate or Canadian US Dollar Base Rate, as applicable,
from time to time in effect.

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     (e) Obligations Absolute. The obligation of the applicable Canadian Borrower to
reimburse the Canadian L/C Issuer for each drawing under each Letter of Credit and to repay each
Canadian L/C Borrowing shall be absolute, unconditional and irrevocable, and shall be paid strictly
in accordance with the terms of this Agreement under all circumstances, including the following:

     (i) any lack of validity or enforceability of such Letter of Credit, this Agreement, or
any other Loan Document;

     (ii) the existence of any claim, counterclaim, set-off, defense or other right that the
applicable Canadian Borrower or any Subsidiary may have at any time against any beneficiary
or any transferee of such Letter of Credit (or any Person for whom any such beneficiary or
any such transferee may be acting), the Canadian L/C Issuer or any other Person, whether in
connection with this Agreement, the transactions contemplated hereby or by such Letter of
Credit or any agreement or instrument relating thereto, or any unrelated transaction;

     (iii) any draft, demand, certificate or other document presented under such Letter of
Credit proving to be forged, fraudulent, invalid or insufficient in any respect or any
statement therein being untrue or inaccurate in any respect; or any loss or delay in the
transmission or otherwise of any document required in order to make a drawing under such
Letter of Credit;

     (iv) any payment by the Canadian L/C Issuer under such Letter of Credit against
presentation of a draft or certificate that does not strictly comply with the terms of such
Letter of Credit; or any payment made by the Canadian L/C Issuer under such Letter of Credit
to any Person purporting to be a trustee in bankruptcy, debtor-in-possession, assignee for
the benefit of creditors, liquidator, receiver or other representative of or successor to
any beneficiary or any transferee of such Letter of Credit, including any arising in
connection with any proceeding under any Debtor Relief Law; or

     (v) any other circumstance or happening whatsoever, whether or not similar to any of
the foregoing, including any other circumstance that might otherwise constitute a defense
available to, or a discharge of, any Canadian Borrower or any Subsidiary.

     The applicable Canadian Borrower shall promptly examine a copy of each Letter of Credit and
each amendment thereto that is delivered to it and, in the event of any claim of noncompliance with
such Canadian Borrower’s instructions or other irregularity, the applicable Canadian Borrower will
promptly notify the Canadian L/C Issuer. Such Canadian Borrower shall be conclusively deemed to
have waived any such claim against the Canadian L/C Issuer and its correspondents unless such
notice is given as aforesaid.

     (f) Role of Canadian L/C Issuer. Each Canadian Lender and each Canadian Borrower
agree that, in paying any drawing under a Letter of Credit, the Canadian L/C Issuer shall not have
any responsibility to obtain any document (other than any sight draft, certificates and documents
expressly required by the Letter of Credit) or to ascertain or inquire as to the

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validity or accuracy of any such document or the authority of the Person executing or delivering any such
document. None of the Canadian L/C Issuer, any Agent-Related Person nor any of the respective
correspondents, participants or assignees of the Canadian L/C Issuer shall be liable to any
Canadian Lender for (i) any action taken or omitted in connection herewith at the request or with
the approval of the Canadian Lenders or the Canadian Required Lenders, as applicable; (ii) any
action taken or omitted in the absence of gross negligence or willful misconduct; or (iii) the due
execution, effectiveness, validity or enforceability of any document or instrument related to any
Letter of Credit or Letter of Credit Application. Each Canadian Borrower hereby assumes all risks
of the acts or omissions of any beneficiary or transferee with respect to its use of any Letter of
Credit; provided, however, that this assumption is not intended to, and shall not,
preclude such Canadian Borrower’s pursuing such rights and remedies as it may have against the
beneficiary or transferee at law or under any other agreement. None of the Canadian L/C Issuer,
any Agent-Related Person, nor any of the respective correspondents, participants or assignees of
the Canadian L/C Issuer, shall be liable or responsible for any of the matters described in clauses
(i) through (v) of Section 3.04(e); provided, however, that anything in
such clauses to the contrary notwithstanding, the applicable Canadian Borrower may have a claim
against the Canadian L/C Issuer, and the Canadian L/C Issuer may be liable to such Canadian
Borrower, to
the extent, but only to the extent, of any direct, as opposed to consequential or exemplary,
damages suffered by the applicable Canadian Borrower which such Canadian Borrower proves were
caused by the Canadian L/C Issuer’s willful misconduct or gross negligence or the Canadian L/C
Issuer’s willful failure to pay under any Letter of Credit after the presentation to it by the
beneficiary of a sight draft and certificate(s) strictly complying with the terms and conditions of
a Letter of Credit. In furtherance and not in limitation of the foregoing, the Canadian L/C Issuer
may accept documents that appear on their face to be in order, without responsibility for further
investigation, and the Canadian L/C Issuer shall not be responsible for the validity or sufficiency
of any instrument transferring or assigning or purporting to transfer or assign a Letter of Credit
or the rights or benefits thereunder or proceeds thereof, in whole or in part, which may prove to
be invalid or ineffective for any reason.

     (g) Cash Collateral. Upon the request of the Administrative Agent, (i) if the
Canadian L/C Issuer has honored any full or partial drawing request under any Letter of Credit and
such drawing has resulted in a Canadian L/C Borrowing, or (ii) if, as of the Letter of Credit
Expiration Date, any Letter of Credit for any reason remains outstanding and partially or wholly
undrawn, the applicable Canadian Borrower shall immediately Cash Collateralize the then Outstanding
Amount of all Canadian L/C Obligations (in an amount equal to such Outstanding Amount determined as
of the date of such Canadian L/C Borrowing or the Letter of Credit Expiration Date, as the case may
be). Sections 2.06 and 10.02(c) set forth certain additional requirements to deliver Cash
Collateral hereunder. The applicable Canadian Borrower hereby grants to the Administrative Agent,
for the benefit of the Canadian L/C Issuer and the Canadian Lenders, a security interest in all
such cash, deposit accounts and all balances therein and all proceeds of the foregoing. Such Cash
Collateral shall be maintained in blocked, deposit accounts at Bank of America. Pending
application thereof, such Cash Collateral shall be invested by the applicable Canadian L/C Issuer
in such investments as Canadian L/C Issuer may choose in its sole discretion. All interest on (and
other proceeds of) such investments shall be reinvested or applied to Canadian L/C Obligations or
other Canadian Obligations which are due and payable.

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     (h) Applicability of ISP98 and UCP. Unless otherwise expressly agreed by the Canadian
L/C Issuer and the applicable Canadian Borrower when a Letter of Credit is issued (including any
such agreement applicable to an Existing Canadian Letter of Credit), (i) the rules of the ISP shall
apply to each standby Letter of Credit, and (ii) the rules of the Uniform Customs and Practice for
Documentary Credits, as most recently published by the International Chamber of Commerce at the
time of issuance shall apply to each commercial Letter of Credit.

     (i) Letter of Credit Fees. The applicable Canadian Borrower shall pay to the
Administrative Agent for the account of each Canadian Lender in accordance with its Pro Rata Share
a Letter of Credit fee (the “Canadian Letter of Credit Fee”) for each Letter of Credit
equal to the Applicable Rate times the daily maximum amount available to be drawn under
such Letter of Credit (whether or not such maximum amount is then in effect under such Letter of
Credit). Canadian Letter of Credit Fees shall be (i) computed on a quarterly basis in arrears and
(ii) due and payable on the last Business Day of each March, June, September and December,
commencing with the first such date to occur after the issuance of such Letter of Credit, on the
Letter of Credit Expiration Date and thereafter on demand. If there is any change in the
Applicable Rate during any quarter, the daily maximum amount of each standby Letter of Credit
shall be computed and multiplied by the Applicable Rate separately for each period during such
quarter that such Applicable Rate was in effect.

     (j) Fronting Fee and Documentary and Processing Charges Payable to Canadian L/C
Issuer. The applicable Canadian Borrower shall pay directly to the Canadian L/C Issuer for its
own account a fronting fee with respect to each Letter of Credit in the amount specified in the Fee
Letter, payable on the actual daily maximum amount available to be drawn under such Letter of
Credit (whether or not such maximum amount is then in effect under such Letter of Credit). Such
fronting fee shall be computed on a quarterly basis in arrears. Such fronting fee shall be due and
payable on the first Business Day after the end of each March, June, September and December,
commencing with the first such date to occur after the issuance of such Letter of Credit, on the
Letter of Credit Expiration Date and thereafter on demand. In addition, the Canadian Borrower
shall pay directly to the Canadian L/C Issuer for its own account the customary issuance,
presentation, amendment and other processing fees, and other standard costs and charges, of the
Canadian L/C Issuer relating to letters of credit as agreed to by the Canadian Borrowers and the
applicable Canadian L/C Issuer. Such customary fees and standard costs and charges are due and
payable on demand and are nonrefundable.

     (k) Conflict with Issuer Documents. In the event of any conflict between the terms
hereof and the terms of any Issuer Document, the terms hereof shall control.

     (l) Designation of Subsidiaries as Account Parties. Notwithstanding anything to the
contrary set forth in this Agreement, including without limitation Section 3.04(a), a Canadian
Letter of Credit issued hereunder shall, upon the request of either Canadian Borrower, be issued
for the account of any Subsidiary of such Canadian Borrower, provided that notwithstanding such
request, the applicable Canadian Borrower shall be the actual account party for all purposes of
this Agreement for such Canadian Letter of Credit and such request shall not affect the applicable
Canadian Borrower’s reimbursement obligations hereunder with respect to such Canadian Letter of
Credit.

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     3.05 Canadian Swing Line Loans.

     (a) The Canadian Swing Line. Subject to the terms and conditions set forth herein,
the Canadian Swing Line Lender agrees to make loans (each such loan, a “Canadian Swing Line
Loan”) to each Canadian Borrower from time to time on any Business Day during the Availability
Period in an aggregate amount not to exceed at any time outstanding the amount of the Canadian
Swing Line Sublimit, notwithstanding the fact that such Canadian Swing Line Loans, when aggregated
with the Pro Rata Share of the Outstanding Amount of Canadian Committed Borrowings and Canadian L/C
Obligations of the Canadian Lender acting as Canadian Swing Line Lender, may exceed the amount of
such Canadian Lender’s Canadian Commitment; provided, however, that after giving
effect to any Canadian Swing Line Loan, (i) the Total Canadian Outstandings shall not exceed the
Aggregate Canadian Commitments, and (ii) the aggregate Outstanding Amount of the Canadian Committed
Loans of any Canadian
Lender, plus such Canadian Lender’s Pro Rata Share of the Outstanding Amount of all
Canadian L/C Obligations, plus such Canadian Lender’s Pro Rata Share of the Outstanding
Amount of all Canadian Swing Line Loans plus such Canadian Lender’s Bankers’ Acceptances shall not
exceed such Canadian Lender’s Canadian Commitment, and provided, further, that the
applicable Canadian Borrower shall not use the proceeds of any Canadian Swing Line Loan to
refinance any outstanding Canadian Swing Line Loan. Within the foregoing limits, and subject to
any other terms and conditions hereof, the applicable Canadian Borrower may borrow under this
Section 3.05, prepay under Section 3.06, and reborrow under this Section
3.05(a). Immediately upon the making of a Canadian Swing Line Loan, each Canadian Lender shall
be deemed to, and hereby irrevocably and unconditionally agrees to, purchase from the Canadian
Swing Line Lender a risk participation in such Canadian Swing Line Loan in an amount equal to the
product of such Canadian Lender’s Pro Rata Share times the amount of such Canadian Swing
Line Loan.

     (b) Canadian Borrowing Procedures. Each Canadian Swing Line Borrowing shall be made
upon the applicable Canadian Borrower’s irrevocable notice to the Canadian Swing Line Lender and
the Administrative Agent, which may be given by telephone. Each such notice must be received by the
Canadian Swing Line Lender and the Administrative Agent not later than 3:00 p.m. on the requested
borrowing date, and shall specify (i) the amount to be borrowed, which may be in Canadian Dollars
or in US Dollars and shall be a minimum of $1,000,000 of such currency, and (ii) the requested
borrowing date, which shall be a Business Day. Each such telephonic notice must be confirmed
promptly by delivery to the Canadian Swing Line Lender and the Administrative Agent of a written
Canadian Swing Line Loan Notice, appropriately completed and signed by a Responsible Officer of the
applicable Canadian Borrower. Promptly after receipt by the Canadian Swing Line Lender of any
telephonic Canadian Swing Line Loan Notice, the Canadian Swing Line Lender will confirm with the
Administrative Agent (by telephone or in writing) that the Administrative Agent has also received
such Canadian Swing Line Loan Notice and, if not, the Canadian Swing Line Lender will notify the
Administrative Agent (by telephone or in writing) of the contents thereof. Unless the Canadian
Swing Line Lender has received notice (by telephone or in writing) from the Administrative Agent
(including at the request of any Canadian Lender) prior to 1:00 p.m. for Canadian Swing Line
Borrowings made in US Dollars and 3:00 p.m. for Canadian Swing Line Borrowings made in Canadian
Dollars, in each case on the date of the proposed Canadian Swing Line Borrowing (A)

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directing the
Canadian Swing Line Lender not to make such Canadian Swing Line Loan as a result of the limitations
set forth in the proviso to the first sentence of Section 3.05(a), or (B) that one or more
of the applicable conditions specified in Article VI is not then satisfied, then, subject
to the terms and conditions hereof, the Canadian Swing Line Lender will, not later than 5:00 p.m.
on the borrowing date specified in such Canadian Swing Line Loan Notice, make the amount of its
Canadian Swing Line Loan available to the applicable Canadian Borrower at its office either by (i)
crediting the account of such Canadian Borrower on the books of the Canadian Swing Line Lender in
immediately available funds or (ii) wire transfer of such funds, in each case in accordance with
instructions provided to (and reasonably acceptable to) the Administrative Agent by the applicable
Canadian Borrower.

     (c) Refinancing of Canadian Swing Line Loans.

     (i) The Canadian Swing Line Lender at any time in its sole and absolute discretion may
request, on behalf of the applicable Canadian Borrower (which hereby irrevocably authorizes
the Canadian Swing Line Lender to so request on its behalf), that each Canadian Lender make
a Canadian Prime Rate Committed Loan or a Canadian Base Rate Committed Loan, as applicable,
in an amount equal to such Canadian Lender’s Pro Rata Share of the amount of Canadian Swing
Line Loans then outstanding. Such request shall be made in writing (which written request
shall be deemed to be a Canadian Committed Borrowing Notice for purposes hereof) and in
accordance with the requirements of Section 3.02, without regard to the minimum and
multiples specified therein for the principal amount of Canadian Prime Rate Committed Loans
or Canadian Base Rate Committed Loans, but subject to the unutilized portion of the
Aggregate Canadian Commitments and the conditions set forth in Section 6.02. The
Canadian Swing Line Lender shall furnish the applicable Canadian Borrower with a copy of the
applicable Canadian Committed Borrowing Notice promptly after delivering such notice to the
Administrative Agent. Each Canadian Lender shall make an amount equal to its Pro Rata Share
of the amount specified in such Canadian Committed Borrowing Notice available to the
Administrative Agent in immediately available funds for the account of the Canadian Swing
Line Lender at the Administrative Agent’s Office not later than 1:00 p.m. on the day
specified in such Canadian Committed Borrowing Notice, whereupon, subject to Section
3.05(c)(ii), each Canadian Lender that so makes funds available shall be deemed to have
made a Canadian Prime Rate Committed Loan or Canadian Base Rate Committed Loan, as
applicable, to the Canadian Borrower in such amount. The Administrative Agent shall remit
the funds so received to the Canadian Swing Line Lender.

     (ii) If for any reason any Canadian Swing Line Loan cannot be refinanced by such a
Canadian Committed Borrowing in accordance with Section 3.05(c)(i), the request for
Canadian Prime Rate Committed Loans or Canadian Base Rate Committed Loans, as applicable,
submitted by the Canadian Swing Line Lender as set forth herein shall be deemed to be a
request by the Canadian Swing Line Lender that each of the Canadian Lenders fund its risk
participation in the relevant Canadian Swing Line Loan and each Canadian Lender’s payment to
the Administrative Agent for the account of the Canadian

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Swing Line Lender pursuant to
Section 3.05(c)(i) shall be deemed payment in respect of such participation.

     (iii) If any Canadian Lender fails to make available to the Administrative Agent for
the account of the Canadian Swing Line Lender any amount required to be paid by such
Canadian Lender pursuant to the foregoing provisions of this Section 3.05(c) by the
time specified in Section 3.05(c)(i), the Canadian Swing Line Lender shall be
entitled to recover from such Canadian Lender (acting through the Administrative Agent), on
demand, such amount with interest thereon for the period from the date such payment is
required to the date on which such payment is immediately available to the Canadian Swing
Line Lender at a rate per annum equal to the Canadian Prime Rate or Canadian US Dollar Base
Rate from time to time in effect. A certificate of the Canadian Swing Line
Lender submitted to any Canadian Lender (through the Administrative Agent) with respect
to any amounts owing under this clause (iii) shall be conclusive absent manifest error.

     (iv) Each Canadian Lender’s obligation to make Canadian Committed Loans or to purchase
and fund risk participations in Canadian Swing Line Loans pursuant to this Section
3.05(c) shall be absolute and unconditional and shall not be affected by any
circumstance, including (A) any set-off, counterclaim, recoupment, defense or other right
which such Canadian Lender may have against the Canadian Swing Line Lender, the applicable
Canadian Borrower or any other Person for any reason whatsoever, (B) the occurrence or
continuance of a Default, or (C) any other occurrence, event or condition, whether or not
similar to any of the foregoing; provided, however, that each Canadian
Lender’s obligation to make Canadian Committed Loans pursuant to this Section
3.05(c) is subject to the conditions set forth in Section 6.02. No such funding
of risk participations shall relieve or otherwise impair the obligation of the applicable
Canadian Borrower to repay Canadian Swing Line Loans, together with interest as provided
herein.

     (d) Repayment of Participations.

     (i) At any time after any Canadian Lender has purchased and funded a risk participation
in a Canadian Swing Line Loan, if the Canadian Swing Line Lender receives any payment on
account of such Canadian Swing Line Loan, the Canadian Swing Line Lender will distribute to
such Canadian Lender its Pro Rata Share of such payment (appropriately adjusted, in the case
of interest payments, to reflect the period of time during which such Canadian Lender’s risk
participation was funded) in the same funds as those received by the Canadian Swing Line
Lender.

     (ii) If any payment received by the Canadian Swing Line Lender in respect of principal
or interest on any Canadian Swing Line Loan is required to be returned by the Canadian Swing
Line Lender under any of the circumstances described in Section 12.07 (including
pursuant to any settlement entered into by the Canadian Swing Line Lender in its
discretion), each Canadian Lender shall pay to the Canadian Swing Line Lender its Pro Rata
Share thereof on demand of the Administrative Agent, plus interest thereon from the date of
such demand to the date such amount is returned, at a rate per annum

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equal to the Canadian Prime Rate or Canadian US Dollar Base Rate, as applicable. The Administrative Agent will
make such demand upon the request of the Canadian Swing Line Lender.

     (e) Interest for Account of Canadian Swing Line Lender. The Canadian Swing Line
Lender shall be responsible for invoicing the applicable Canadian Borrower for interest on the
Canadian Swing Line Loans. Until each Canadian Lender funds its Canadian Prime Rate Committed Loan, its Canadian Base Rate Committed Loan or its risk participation pursuant to this Section
3.05 to refinance such Canadian Lender’s Pro Rata Share of any Canadian Swing Line Loan,
interest in respect of such Pro Rata Share shall be solely for the account of the Canadian Swing
Line Lender.

     (f) Payments Directly to Canadian Swing Line Lender. The applicable Canadian Borrower
shall make all payments of principal and interest in respect of the Canadian Swing Line Loans
directly to the Canadian Swing Line Lender.

     3.06 Prepayments.

     (a) Each Canadian Borrower may, upon notice to the Administrative Agent, at any time or from
time to time voluntarily prepay Canadian Committed Loans in whole or in part without premium or
penalty; provided that (i) such notice must be received by the Administrative Agent not
later than 11:00 a.m. (A) three Business Days prior to any date of prepayment of Canadian
Eurodollar Rate Committed Loans or Canadian US Eurodollar Rate Committed Loans and (B) on the date
of prepayment of Canadian Prime Rate Committed Loans and Canadian Base Rate Committed Loans, (ii)
any prepayment of Canadian Eurodollar Rate Committed Loans shall be in a principal amount of
C$5,000,000 or a whole multiple of C$1,000,000 in excess thereof; (ii) any prepayment of Canadian
US Eurodollar Rate Committed Loans shall be in a principal amount of US $5,000,000 or a whole
multiple of US $1,000,000 in excess thereof; (iii) any prepayment of Canadian Prime Rate Committed
Loans shall be in a principal amount of C$1,000,000 or a whole multiple of C$100,000 in excess
thereof; and (iv) any prepayment of Canadian Base Rate Committed Loans shall be in a principal
amount of US $1,000,000 or a whole multiple of US $100,000 in excess thereof or, in each case, if
less, the entire principal amount thereof then outstanding. Each such notice shall specify the
date and amount of such prepayment and the Type(s) of Canadian Committed Loans to be prepaid. The
Administrative Agent will promptly notify each Canadian Lender of its receipt of each such notice,
and of the amount of such Canadian Lender’s Pro Rata Share of such prepayment. If such notice is
given by a Canadian Borrower, such Canadian Borrower shall make such prepayment and the payment
amount specified in such notice shall be due and payable on the date specified therein. Any
prepayment of a Canadian Dollar Eurodollar Rate Loan shall be accompanied by all accrued interest
thereon, together with any additional amounts required pursuant to Section 5.05. Each such
prepayment shall be applied to the Canadian Committed Loans of the Canadian Lenders in accordance
with their respective Pro Rata Shares.

     (b) No Canadian Bid Loan may be prepaid without the prior consent of the applicable Canadian
Bid Loan Lender.

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     (c) Each Canadian Borrower may, upon notice to the Canadian Swing Line Lender (with a copy to
the Administrative Agent), at any time or from time to time, voluntarily prepay Canadian Swing Line
Loans in whole or in part without premium or penalty; provided that (i) such notice must be
received by the Canadian Swing Line Lender and the Administrative Agent not later than 1:00 p.m. on
the date of the prepayment, and (ii) any such prepayment shall be in a minimum principal amount of
C $1,000,000 or US $1,000,000, as applicable. Each such notice shall specify the date and amount
of such prepayment. If such notice is given by a Canadian Borrower, such Canadian Borrower shall
make such prepayment and the payment amount specified in such notice shall be due and payable on
the date specified therein.

     (d) If for any reason the Total Canadian Outstandings at any time exceed the Aggregate
Canadian Commitments then in effect, each Canadian Borrower shall immediately prepay Loans and/or
Cash Collateralize the Canadian L/C Obligations in an aggregate amount equal to such excess (on a
proportionate basis having regard to the Loans and Canadian L/C Obligations of each Canadian
Borrower); provided, however, that the Canadian Borrowers shall not be required to
Cash Collateralize the Canadian L/C Obligations pursuant to this Section 3.06(d) unless
after the prepayment in full of the Canadian Committed Loans and Canadian Swing Line Loans the
Total Canadian Outstandings exceed the Aggregate Canadian Commitments then in effect.

     3.07 Repayment of Canadian Loans.

     (a) Each Canadian Borrower shall repay to each Canadian Lender on the Maturity Date the
aggregate principal amount of its Canadian Committed Loans and all other Canadian Obligations owing
to such Lender outstanding on such date.

     (b) The applicable Canadian Borrower shall repay each Canadian Bid Loan made to it on the last
day of the Interest Period in respect thereof.

     3.08 Bankers’ Acceptances.

     (a) Creation of Bankers’ Acceptances. Upon receipt of a Canadian Committed Borrowing
Notice requesting purchase or acceptance of Bankers’ Acceptances, and subject to the provisions of
this Agreement, each Canadian Lender shall accept, in accordance with its Canadian Pro Rata Share
of the requested Canadian Committed Borrowing from time to time such Bankers’ Acceptances as the
applicable Canadian Borrower shall request.

     (b) Terms of Acceptance by the Canadian Lenders.

     (i) Delivery and Payment. Subject to Sections 3.08(c) and 3.08(d) and only if
a valid appointment pursuant to Section 3.08(b)(v) is not in place, the Canadian Borrowers
shall pre-sign and deliver to each Canadian Lender bankers’ acceptance drafts in sufficient
quantity to meet the their requirements for anticipated Canadian Committed Borrowings by way
of Bankers’ Acceptances. Each Canadian Borrower shall, at its option, provide for payment
to Administrative Agent for the benefit of Canadian Lenders of each Bankers’ Acceptance on
the date on which a Bankers’ Acceptance matures, either

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by payment of the full face amount
thereof or through utilization of a conversion to another Type of Canadian Committed
Borrowing in accordance with this Agreement, or through a combination thereof. Each
Canadian Borrower waives presentment for payment of Bankers’ Acceptances by Canadian Lenders
and shall not claim from Canadian Lenders any days of grace for the payment at maturity of
Bankers’ Acceptances. Any amount owing by a Canadian Borrower in respect of any Bankers’
Acceptance which is not paid in accordance with the foregoing, shall, as and from the
date on which such Bankers’ Acceptance matures, be deemed to be outstanding hereunder
as a Canadian Prime Rate Loan owing by such Canadian Borrower.

     (ii) No Liability. Administrative Agent and Canadian Lenders shall not be
liable for any damage, loss or improper use of any bankers’ acceptance draft endorsed in
blank except for any loss arising by reason of Administrative Agent or a Canadian Lender
failing to use the same standard of care in the custody of such bankers’ acceptance drafts
as Administrative Agent or such Canadian Lender use in the custody of their own property of
a similar nature.

     (iii) Bankers’ Acceptances Purchased by Canadian Lenders. Where a Canadian
Borrower so elects in the Canadian Committed Borrowing Notice, each Canadian Lender shall
purchase Bankers’ Acceptances accepted by it for an amount equal to the Canadian Discount
Proceeds.

     (iv) Marketing. Where a Canadian Borrower so elects in the Canadian Committed
Borrowing Notice, it shall be responsible for, and shall make its own arrangements with
respect to, the marketing of Bankers’ Acceptances, except for (A) Bankers’ Acceptances that
are BA Equivalent Advances in which case they will be dealt with in accordance with Section
3.08 (f) or (B) Bankers’ Acceptances that are accepted by Canadian Lenders (“Old System
Issuers”) who are not able to issue Bankers’ Acceptances as depository bills under the
Depository Bills and Notes Act (Canada), which Bankers’ Acceptances shall in all instances
be purchased by such Old System Issuer.

     (v) Power of Attorney. To facilitate the procedures contemplated in this
Agreement, each Canadian Borrower appoints each Canadian Lender from time to time as the
attorney-in-fact of such Canadian Borrower to execute, endorse and deliver on behalf of such
Canadian Borrower drafts or depository bills in the form or forms prescribed by such
Canadian Lender for Bankers’ Acceptances denominated in Canadian Dollars. Each Bankers’
Acceptance executed and delivered by a Canadian Lender on behalf of a Canadian Borrower
shall be as binding upon such Canadian Borrower as if it had been executed and delivered by
a Responsible Officer of such Canadian Borrower. The foregoing appointment shall cease to
be effective, in respect of any Canadian Lender regarding such Canadian Borrower, three
Business Days following receipt by such Canadian Lender of a written notice from such
Canadian Borrower revoking such appointment (which notice shall be copied to the
Administrative Agent); provided that any such revocation shall not affect Bankers’
Acceptances previously executed and delivered by such Canadian Lender pursuant to such
appointment.

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     (vi) Market. If the Canadian Required Lenders determine, which determination
shall be final conclusive and binding on the Canadian Borrowers, that there does not exist
at the applicable time a normal market in Canada for the purchase and sale of Bankers’
Acceptances, the Administrative Agent shall so notify the Canadian Borrowers, and the
Canadian Lenders’ obligation to accept Bankers’ Acceptances under this Agreement shall be
suspended until such time as the Administrative Agent (upon the
instruction of the Canadian Required Lenders) revokes such notice. During any such
suspension, a request for a Bankers’ Acceptance will be deemed to be a request for a
Canadian Prime Rate Committed Loan.

     (vii) Pro-Rata Treatment of Canadian Borrowings.

     (A) In the event it is not practicable to allocate Bankers’ Acceptances to each
Canadian Lender such that the aggregate amount of Bankers’ Acceptances required to
be purchased by such Canadian Lender hereunder is in a whole multiple of C$100,000,
the Administrative Agent is authorized by each Canadian Borrower and each Canadian
Lender to make such allocation as the Administrative Agent determines in its sole
and unfettered discretion may be equitable in the circumstances and, if the
aggregate amount of such Bankers’ Acceptances is not a whole multiple of C$100,000,
then the Administrative Agent may allocate (on a basis considered by it to be
equitable) the excess of such Bankers’ Acceptances over the next lowest whole
multiple of C$100,000 to one Canadian Lender, which shall purchase a Bankers’
Acceptance with a face amount equal to the excess and having the same term as the
corresponding Bankers’ Acceptances. In no event shall the portion of the
outstanding Canadian Committed Borrowings by way of Bankers’ Acceptances of a
Canadian Lender exceed such Canadian Lender’s Pro Rata Share of the aggregate
Canadian Committed Borrowings by way of Bankers’ Acceptances by more than C$100,000
as a result of such exercise of discretion by the Administrative Agent.

     (B) If during the term of any Bankers’ Acceptance accepted by a Canadian Lender
hereunder the Canadian Stamping Fee Rate changes as a result of a change in the
Applicable Rate or an Event of Default occurs and is continuing, the fee paid to
such Canadian Lender by the applicable Canadian Borrower pursuant to Section 4.02
(in this paragraph called the “Initial Fee”) with respect to such Bankers’
Acceptance shall be recalculated based upon such change in the Canadian Stamping Fee
Rate or the existence of such Event of Default for the number of days during the
term of such Bankers’ Acceptance that such change is applicable or such Event of
Default exists. If such recalculated amount is in excess of the Initial Fee then
the applicable Canadian Borrower shall pay to such Canadian Lender the amount of
such excess, and if such recalculated amount is less than the Initial Fee, then the
amount of such reduction shall be credited to other amounts payable by the
applicable Canadian Borrower to such Canadian Lender.

     (c) General Procedures for Bankers’ Acceptances.

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     (i) Notice. Each Canadian Borrower may in a Canadian Committed Borrowing
Notice (which notice must be received by the Administrative Agent not later than 11:00 a.m.
one Business Day prior to the date of the requested Canadian Borrowing by way of Bankers’
Acceptances) request a Canadian Borrowing by way of Bankers’ Acceptances. If such Canadian
Borrower is responsible for marketing of such Bankers’
Acceptances under Section 3.08(b)(iv), such Canadian Borrower by subsequent notice to
Administrative Agent by 11:00 a.m. on the day of the requested Canadian Borrowing by way of
Bankers’ Acceptances shall provide Administrative Agent (which shall in turn promptly notify
each Canadian Lender) with information as to the discount proceeds payable by the purchasers
of the Bankers’ Acceptances and the party to whom delivery of the Bankers’ Acceptances by
each Canadian Lender is to be made against delivery to each Canadian Lender of the
applicable discount proceeds. Such discount proceeds less the fee calculated in accordance
with Section 4.02(c) shall promptly be delivered to the Administrative Agent. Any telephone
advice given under this Section shall be subject to Section 3.02 and shall be confirmed by a
written notice of the Canadian Borrower to Administrative Agent prior to 2:00 p.m. on the
same day.

     (ii) Rollover. In the case of a rollover of maturing Bankers’ Acceptances
issued by a Canadian Lender, such Canadian Lender, in order to satisfy the continuing
liability of the applicable Canadian Borrower to the Canadian Lender for the face amount of
the maturing Bankers’ Acceptances issued by the applicable Canadian Borrower, shall retain
for its own account the Canadian Net Proceeds of each new Bankers’ Acceptance issued by it
in connection with such rollover; and the applicable Canadian Borrower shall, on the
maturity date of the maturing Bankers’ Acceptances issued by the applicable Canadian
Borrower, pay to Administrative Agent for the benefit of Canadian Lenders an amount equal to
the difference between the face amount of the maturing Bankers’ Acceptances and the
aggregate Canadian Net Proceeds of the new Bankers’ Acceptances.

     (iii) Conversion from Canadian Prime Rate Loans. In the case of a conversion
from a Canadian Prime Rate Committed Loan into a Canadian Committed Borrowing by way of
Bankers’ Acceptances to be accepted by a Canadian Lender pursuant to Sections 3.08(a), (b)
and (c), such Canadian Lender, in order to satisfy the continuing liability of the
applicable Canadian Borrower to it for the principal amount of the Canadian Prime Rate Loans
owing by such Canadian Borrower being converted, shall retain for its own account the
Canadian Discount Proceeds of each new Bankers’ Acceptance issued by it in connection with
such conversion; and the applicable Canadian Borrower shall, on the date of issuance of the
Bankers’ Acceptances, pay to Administrative Agent for the benefit of Canadian Lenders an
amount equal to the difference between the aggregate principal amount of the Canadian Prime
Rate Loans owing by the applicable Canadian Borrower being converted owing to the Canadian
Lenders and the aggregate Canadian Discount Proceeds of such Bankers’ Acceptances.

     (iv) Conversions to Canadian Prime Rate Loans. In the case of a conversion of
a Canadian Committed Borrowing by way of Bankers’ Acceptances into Canadian Prime Rate Loan,
each Canadian Lender, in order to satisfy the liability of the Canadian Borrower to it for
the face amount of the maturing Bankers’ Acceptances, shall record the

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obligation of the
applicable Canadian Borrower to it as a Canadian Prime Rate Loan, unless such Canadian
Borrower provides for payment to Administrative Agent for the benefit of Canadian Lenders of
the face amount of the maturing Bankers’ Acceptance in some other manner acceptable to
Canadian Lenders, including conversion to another Type of Canadian Borrowing.

     (v) Authorization. Each Canadian Borrower hereby authorizes each Canadian
Lender to complete, stamp, hold, sell, rediscount or otherwise dispose of all Bankers’
Acceptances accepted by it pursuant to this Section in accordance with the instructions
provided by the applicable Canadian Borrower pursuant to Sections 3.01 and 3.02, as
applicable.

     (vi) Depository Notes. The parties agree that in the administering of Bankers’
Acceptances, each Canadian Lender may avail itself of the debt clearing services offered by
a clearing house for depository notes pursuant to the Depository Bills and Notes Act
(Canada) and that the procedures set forth in Section 3.02 be deemed amended to the extent
necessary to comply with the requirements of such debt clearing services.

     (d) Execution of Bankers’ Acceptances. The signatures of any authorized signatory on
Bankers’ Acceptances may, at the option of the applicable Canadian Borrower, be reproduced in
facsimile and such Bankers’ Acceptances bearing such facsimile signatures shall be binding on the
applicable Canadian Borrower as if they had been manually signed by such authorized signatory.
Notwithstanding that any person whose signature appears on any Bankers’ Acceptance as a signatory
may no longer be an authorized signatory of the applicable Canadian Borrower at the date of
issuance of a Bankers’ Acceptance, and notwithstanding that the signature affixed may be a
reproduction only, such signature shall nevertheless be valid and sufficient for all purposes as if
such authority had remained in force at the time of such issuance and as if such signature had been
manually applied, and any such Bankers’ Acceptance so signed shall be binding on such Canadian
Borrower.

     (e) Escrowed Funds. Upon the occurrence of an Event of Default and an acceleration of
the Canadian Committed Loans under Section 10.02 or upon a prepayment permitted under Section 3.06,
each Canadian Borrower shall forthwith pay to Administrative Agent for deposit into an escrow
account maintained by and in the name of Administrative Agent for the benefit of Canadian Lenders
in accordance with their Canadian Pro Rata Shares an amount equal to the Canadian Lenders’ maximum
potential liability (as determined by Administrative Agent) under then outstanding Bankers’
Acceptances for such Canadian Borrower (the “Canadian Escrow Funds”). The Canadian Escrow Funds
shall be held by Administrative Agent for set-off against future amounts owing by such Canadian
Borrower in respect to such Bankers’ Acceptances and pending such application shall bear interest
at the rate declared by Administrative Agent from time to time as that payable by it in respect of
deposits for such amount and for such period relative to the maturity date of the Bankers’
Acceptances, as applicable. If such Event of Default is either waived or cured in compliance with
the terms of this Agreement, then the Canadian Escrow Funds, together with any accrued interest to
the date of release, shall be forthwith released to the applicable Canadian Borrower.

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     (f) BA Equivalent Advances. Each Canadian Lender that is unable to accept BAs or does
not customarily accept BAs may, in lieu of accepting a BA on the date of any Canadian Committed
Borrowing, make a BA Equivalent Advance. The amount of each BA Equivalent Advance shall be equal
to the Canadian Discount Proceeds (with reference to the applicable BA Discount Rate) which would
be realized from a hypothetical sale of those BAs which, but for this subsection, would have been
sold to such Canadian Lender. If such Canadian Lender does
not otherwise have a BA Discount Rate applicable to it, the applicable BA Discount Rate will
be calculated as though such Canadian Lender was listed on Schedule III of the Bank Act (Canada).
Any BA Equivalent Advance shall be made on the relevant date of any Canadian Committed Borrowing,
and shall remain outstanding for the term of the corresponding BA. On the maturity date of the
corresponding BA, such BA Equivalent Advance shall be repaid in an amount equal to the face amount
of a draft that would have been accepted by such Canadian Lender if such Canadian Lender had
accepted and purchased a BA hereunder. Each BA Equivalent Advance made pursuant to this subsection
shall be deemed to be a BA accepted and purchased by such Canadian Lender pursuant to the terms
hereof, and except in this subsection, any reference to a BA shall include such BA Equivalent
Advance.

     3.09 Currency Fluctuations. Notwithstanding any other provision of this Agreement, Administrative
Agent shall have the right at any time and from time to time to calculate the Total Canadian
Outstandings at the US Dollar Equivalent thereof in US Dollars for any purposes including making a
determination from time to time of the available undrawn portion of the Aggregate Canadian
Commitments. If following such calculation, Administrative Agent determines that the Total
Canadian Outstandings are greater than 105% of the Aggregate Canadian Commitments at such time,
then Administrative Agent shall so advise each Canadian Borrower and such Canadian Borrower shall
following such advice repay, on the later of (a) five Business Days after such advice and (b) the
earlier of (i) the next Interest Payment Date for Canadian Prime Rate Loans, (ii) the next Interest
Payment Date for Canadian US Eurodollar Rate Committed Loans or Canadian Eurodollar Rate Committed
Loans, and (iii) the next maturity date of any outstanding Bankers’ Acceptance, an amount equal to
the amount by which the Total Canadian Outstandings exceeds the Aggregate Canadian Commitments,
together with all accrued interest on the amount so paid.

     3.10 Currency Conversion and Currency Indemnity.

     (a) Each Canadian Borrower shall make payment relative to any Canadian Borrowings (other than
Canadian Base Rate Committed Loans or Canadian US Eurodollar Rate Committed Loans) or Canadian
Letter of Credit denominated in Canadian Dollars in Canadian Dollars and shall make payment
relative to Canadian US Base Rate Committed Loans, Canadian US Eurodollar Rate Committed Loans, and
Canadian Letters of Credit denominated in US Dollars, in US Dollars. If any payment is received on
account of any such Canadian Borrowings or Letter of Credit in any currency (the “Other Currency”)
other than the Applicable Currency (whether voluntarily, pursuant to any conversion of a Canadian
Borrowing or pursuant to an order or judgment or the enforcement thereof or the realization of any
security or the liquidation of a Canadian Borrower or otherwise howsoever), such payment shall
constitute a discharge of the liability of such Canadian Borrower hereunder and under the other
Loan Documents in respect thereof only to the extent of the amount of the Applicable Currency which
the

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Administrative Agent or relevant Canadian Lenders are able to purchase with the amount of the
Other Currency received by it on the Business Day next following such receipt in accordance with
its normal procedures and after deducting any premium and costs of exchange.

     (b) If, for the purpose of obtaining or enforcing judgment in any court in any jurisdiction,
it becomes necessary to convert into a particular currency (the “Judgment Currency”) any amount due
in Canadian Dollars, then the conversion shall be made on the basis of the rate of exchange
prevailing on the next Business Day following the date such judgment is given and in any event each
Canadian Borrower shall be obligated to pay the Administrative Agent or Canadian Lenders any
deficiency in accordance with Section 3.10(a). For the foregoing purposes “rate of exchange” means
the rate at which the Administrative Agent or relevant Canadian Lenders, as applicable, in
accordance with their normal banking procedures are able on the relevant date to purchase Canadian
Dollars with the Judgment Currency after deducting any premium and costs of exchange.

     (c) If the Administrative Agent or any Canadian Lender receives any payment or payments on
account of the liability of a Canadian Borrower hereunder pursuant to any judgment or order in any
Other Currency, and the amount of Canadian Dollars which the Administrative Agent or relevant
Canadian Lender is able to purchase on the Business Day next following such receipt with the
proceeds of such payment or payments in accordance with its normal procedures and after deducting
any premiums and costs of exchange is less than the amount of Canadian Dollars due in respect of
such liabilities immediately prior to such judgment or order, then such Canadian Borrower shall,
within five Business Days after demand, and such Canadian Borrower hereby agrees to, indemnify and
save Administrative Agent or such Canadian Lender harmless from and against any loss, cost or
expense arising out of or in connection with such deficiency. The agreement of indemnity provided
for in this Section 3.10(c) shall constitute an obligation separate and independent from all other
obligations contained in this Agreement, shall give rise to a separate and independent cause of
action, shall apply irrespective of any indulgence granted by Administrative Agent or the Lenders
or any of them from time to time, and shall continue in full force and effect notwithstanding any
judgment or order for a liquidated sum in respect of an amount due hereunder or under any judgment
or order.

ARTICLE IV.

GENERAL PROVISIONS APPLICABLE TO SENIOR

CREDIT FACILITY AND CANADIAN SUBFACILITY

     4.01 Interest on Loans.

     (a) Subject to the provisions of subsection (c) below, (i) each US Eurodollar Rate Committed
Loan shall bear interest on the outstanding principal amount thereof for each Interest Period at a
rate per annum equal to the US Dollar Eurodollar Rate for such Interest Period plus the
Applicable Rate; (ii) each US Base Rate Committed Loan shall bear interest on the outstanding
principal amount thereof from the applicable borrowing date at a rate per annum equal to the US
Base Rate; (iii) each US Bid Loan shall bear interest on the outstanding principal amount thereof
for the Interest Period therefor at a rate per annum equal to the US Dollar

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Eurodollar Rate for
such Interest Period plus (or minus) the US Eurodollar Bid Margin, or at the Absolute Rate for such
Interest Period, as the case may be; and (iv) each US Swing Line Loan shall bear interest on the
outstanding principal amount thereof from the applicable borrowing date at a rate per annum equal
to the US Swing Line Rate.

     (b) Subject to the provisions of subsection (c) below, (i) each Canadian Eurodollar Rate
Committed Loan shall bear interest on the outstanding principal amount thereof for each Interest
Period at a rate per annum equal to the Canadian Dollar Eurodollar Rate for such Interest Period
plus the Applicable Rate; (ii) each Canadian US Eurodollar Rate Committed Loan shall bear
interest on the outstanding principal amount thereof for each Interest Period at a rate per annum
equal to the US Dollar Eurodollar Rate for such Interest Period plus the Applicable Rate;
(iii) each Canadian Prime Rate Committed Loan shall bear interest on the outstanding principal
amount thereof from the applicable borrowing date at a rate per annum equal to the Canadian Prime
Rate; (iv) each Canadian Base Rate Committed Loan shall bear interest on the outstanding principal
amount thereof from the applicable borrowing date at a rate per annum equal to the Canadian US
Dollar Base Rate; (v) each Canadian Bid Loan shall bear interest on the outstanding principal
amount thereof for the Interest Period therefor at a rate per annum equal to the Canadian Dollar
Eurodollar Rate for such Interest Period plus (or minus) the Canadian Eurodollar Bid Margin, or at
the Absolute Rate for such Interest Period, as the case may be; and (vi) each Canadian Swing Line
Loan shall bear interest on the outstanding principal amount thereof from the applicable borrowing
date at a rate per annum equal to the Canadian Swing Line Rate.

     (i) If any amount of principal of any Loan is not paid when due (without regard to any
applicable grace periods), whether at stated maturity, by acceleration or otherwise, such
amount shall thereafter bear interest at a fluctuating interest rate per annum at all times
equal to the rate two percent (2%) above the rate that was applicable to such Loan before a
principal payment on such Loan became past due, to the fullest extent permitted by
applicable Laws.

     (ii) If any amount (other than principal of any Loan) payable by the applicable
Borrower under any Loan Document is not paid when due (without regard to any applicable
grace periods), whether at stated maturity, by acceleration or otherwise, then upon the
request of (x) the US Required Lenders, in the case of a US Obligation, or (y) the Canadian
Required Lenders, in the case of a Canadian Obligation, such amount shall thereafter bear
interest at a fluctuating interest rate per annum at all times equal to, in the case of a US
Obligation, the US Base Rate plus two percent (2%), and, in the case of a Canadian
Obligation, the Canadian Prime Rate plus two percent (2%) to the fullest extent permitted by
applicable Laws.

     (iii) Accrued and unpaid interest on past due amounts (including interest on past due
interest) shall be due and payable upon demand.

     (c) Interest on each Loan shall be due and payable in arrears on each Interest Payment Date
applicable thereto and at such other times as may be specified herein. Interest hereunder shall be
due and payable in accordance with the terms hereof before and after

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judgment, and before and after
the commencement of any proceeding under any Debtor Relief Law.

     (d) For the purposes of the Interest Act (Canada), whenever interest payable pursuant to this
Agreement with respect to the Canadian Borrowings, Canadian L/C Obligations and other
amounts payable hereunder or under the other Loan Documents with respect thereto is calculated
on the basis of a period other than a calendar year (the “Relevant Period”), each rate of interest
determined pursuant to such calculation expressed as an annual rate is equivalent to such rate as
so determined multiplied by the actual number of days in the calendar year in which the same is to
be ascertained and divided by the number of days in the Relevant Period.

     (e) To the extent permitted by law, the provisions of the Judgment Interest Act (Alberta)
R.S.A. 2000 C.J-1 shall not apply to the Loan Documents and are hereby expressly waived by Canadian
Borrowers.

     (f) For the purposes of the Interest Act (Canada), the principle of deemed reinvestment of
interest shall not apply to any interest calculation under the Loan Documents with respect to the
Canadian Borrowings, Canadian L/C Obligations, Bankers’ Acceptances and other amounts payable
hereunder or under the other Loan Documents with respect thereto, and the rates of interest
stipulated in this Agreement are intended to be nominal rates and not effective rates or yields.

     4.02 Fees. In addition to certain fees described in subsections (i) and (j) of Section
2.04 and subsections (i) and (j) of Section 3.04:

     (a) Facility Fees.

     (i) The US Borrower shall pay to the Administrative Agent for the account of each
Lender in accordance with its Pro Rata Share, a facility fee equal to the Applicable Rate
times the actual daily amount of the Aggregate US Commitments (or, if the Aggregate
US Commitments have terminated, on the Outstanding Amount of all US Committed Loans, US
Swing Line Loans and US L/C Obligations), regardless of usage.

     (ii) Devon Canada shall pay to the Administrative Agent for the account of each
Canadian Lender in accordance with its Pro Rata Share, a facility fee equal to the
Applicable Rate times the actual daily amount of the Aggregate Canadian Commitments
(or, if the Aggregate Canadian Commitments have terminated, on the Outstanding Amount of all
Canadian Committed Loans, Canadian Swing Line Loans and Canadian L/C Obligations),
regardless of usage.

     (iii) The facility fees shall accrue at all times during the Availability Period (and
thereafter so long as any Committed Loans, Swing Line Loans or L/C Obligations remain
outstanding), including at any time during which one or more of the conditions in
Article VI is not met, and shall be due and payable quarterly in arrears on the
first Business Day after the end of each March, June, September and December, commencing
with the first such date to occur after the Effective Date, and on the Maturity Date (and,
if

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applicable, thereafter on demand). The facility fees shall be calculated quarterly in
arrears, and if there is any change in the Applicable Rate during any quarter, the actual
daily amount shall be computed and multiplied by the Applicable Rate separately for
each period during such quarter that such Applicable Rate was in effect.

     (b) Utilization Fees.

     (i) The US Borrower shall pay to the Administrative Agent for the account of each
Lender in accordance with its Pro Rata Share, a utilization fee equal to the Applicable Rate
times the Total Outstandings on each day that the Total Outstandings exceed 50% of
the actual daily amount of the Aggregate Commitments then in effect (or, if terminated, in
effect immediately prior to such termination).

     (ii) The utilization fees shall accrue at all times during the Availability Period (and
thereafter so long as any Committed Loans, Swing Line Loans or L/C Obligations remain
outstanding), including at any time during which one or more of the conditions in
Article VI is not met, and shall be due and payable quarterly in arrears on the
first Business Day after the end of each March, June, September and December, commencing
with the first such date to occur after the Effective Date, and on the Maturity Date (and,
if applicable, thereafter on demand). The utilization fee shall be calculated quarterly in
arrears, and if there is any change in the Applicable Rate during any quarter, the actual
daily amount shall be computed and multiplied by the Applicable Rate separately for each
period during such quarter that such Applicable Rate was in effect.

     (c) Canadian Stamping Fee. In consideration of each Canadian Lender’s commitment to
accept Bankers’ Acceptances under this Agreement, the applicable Canadian Borrower will pay to
Administrative Agent for the account of each Canadian Lender the Canadian Stamping Fee Rate
multiplied by the face amount of each Bankers’ Acceptance accepted by such Canadian Lender under
this Agreement calculated for the number of days in the term of such Bankers’ Acceptance. Such fee
shall be due and payable on the date on which such Bankers’ Acceptances are accepted and if such
Canadian Lender is purchasing such Bankers’ Acceptance, such fee shall be deducted from the
Canadian Discount Proceeds paid to the applicable Canadian Borrower.

     (d) Other Fees. The Borrowers shall pay to the Joint Lead Arrangers and the
Administrative Agent for their own respective accounts fees in the amounts and at the times
specified in the Fee Letter. Such fees shall be fully earned when paid and shall not be refundable
for any reason whatsoever.

     4.03 Computation of Interest and Fees on Loans. All computations of (a) interest for (i) US Base
Rate Loans, (ii) Canadian Base Rate Committed Loans, and (iii) Canadian Prime Rate Loans, and (b)
stamping fees for Bankers’ Acceptances shall be made on the basis of a year of 365 or 366 days, as
the case may be, and actual days elapsed. All other computations of fees and interest on Loans
shall be made on the basis of a 360-day year and actual days elapsed (which results in more fees or
interest, as applicable, being paid than if computed on the basis of a 365-day year). Interest
shall accrue on each Loan for the day on which the Loan is made, and

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shall not accrue on a Loan, or any portion
thereof, for the day on which the Loan or such portion is paid, provided that any Loan that
is repaid on the same day on which it is made shall, subject to Section 4.05(a), bear
interest for one day.

     4.04 Evidence of Debt.

     (a) The Credit Extensions made by each Lender shall be evidenced by one or more accounts or
records maintained with respect to each applicable Borrower by such Lender and by the
Administrative Agent in the ordinary course of business. The accounts or records maintained by the
Administrative Agent and each Lender shall be conclusive absent manifest error of the amount of the
Credit Extensions made by the Lenders to the Borrowers and the interest and payments thereon. Any
failure so to record or any error in doing so shall not, however, limit or otherwise affect the
obligation of the Borrowers hereunder to pay any amount owing with respect to the Obligations. In
the event of any conflict between the accounts and records maintained by any Lender and the
accounts and records of the Administrative Agent in respect of such matters, the accounts and
records of the Administrative Agent shall control in the absence of manifest error. Upon the
request of any Lender made through the Administrative Agent, the applicable Borrower shall execute
and deliver to such Lender (through the Administrative Agent) a Note, which shall evidence such
Lender’s Loans in addition to such accounts or records. Each Lender may attach schedules to its
Note and endorse thereon the date, Type (if applicable), amount and maturity of its Loans and
payments with respect thereto.

     (b) In addition to the accounts and records referred to in subsection (a), each Lender and the
Administrative Agent shall maintain in accordance with its usual practice accounts or records
evidencing the purchases and sales by such Lender of participations in Letters of Credit and Swing
Line Loans. In the event of any conflict between the accounts and records maintained by the
Administrative Agent and the accounts and records of any Lender in respect of such matters, the
accounts and records of the Administrative Agent shall control in the absence of manifest error.

     4.05 Payments Generally.

     (a) All payments to be made by any Borrower shall be made without condition or deduction for
any counterclaim, defense, recoupment or setoff. Except as otherwise expressly provided herein,
all payments by any Borrower hereunder shall be made to the Administrative Agent or in the case of
Canadian Borrowings or Canadian Letters of Credit to the Administrative Agent at the Canadian
Payment Office, for the account of the respective Lenders to which such payment is owed, at the
Administrative Agent’s Office or the Canadian Payment Office, as applicable, in the Applicable
Currency, and in immediately available funds not later than 2:00 p.m. on the date specified herein.
The Administrative Agent or the Administrative Agent’s office, as applicable, will promptly
distribute to each applicable Lender its Pro Rata Share (or other applicable share as provided
herein) of such payment in like funds as received by wire transfer to such Lender’s Lending Office.
All payments received by the Administrative Agent after 2:00 p.m. shall be deemed received on the
next succeeding Business Day and any applicable interest or fee shall continue to accrue.

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     (b) If any payment to be made by any Borrower shall come due on a day other than a Business
Day, payment shall be made on the next following Business Day, and such extension of time shall be
reflected in computing interest or fees, as the case may be.

     (c) Unless any Borrower or any Lender has notified the Administrative Agent, prior to the time
any payment is required to be made by it to the Administrative Agent hereunder, that such Borrower
or such Lender, as the case may be, will not make such payment, the Administrative Agent may assume
that such Borrower or such Lender, as the case may be, has timely made such payment and may (but
shall not be so required to), in reliance thereon, make available a corresponding amount to the
Person entitled thereto. If and to the extent that such payment was not in fact made to the
Administrative Agent in immediately available funds, then:

     (i) if any Borrower failed to make such payment, each applicable Lender shall forthwith
on demand repay to the Administrative Agent the portion of such assumed payment that was
made available to such Lender in immediately available funds, together with interest thereon
in respect of each day from and including the date such amount was made available by the
Administrative Agent to such Lender to the date such amount is repaid to the Administrative
Agent in immediately available funds at the Federal Funds Rate (or in the case of the
Canadian Loans or Canadian Letters of Credit, the Canadian Prime Rate) from time to time in
effect; and

     (ii) if any Lender failed to make such payment, such Lender shall forthwith on demand
pay to the Administrative Agent the amount thereof in immediately available funds, together
with interest thereon for the period from the date such amount was made available by the
Administrative Agent to the applicable Borrower to the date such amount is recovered by the
Administrative Agent (the “Compensation Period”) at a rate per annum equal to the
Federal Funds Rate from time to time in effect. If such Lender pays such amount to the
Administrative Agent, then such amount shall constitute such Lender’s Committed Loan or Bid
Loan, as the case may be, included in the applicable Borrowing. If such Lender does not pay
such amount forthwith upon the Administrative Agent’s demand therefor, the Administrative
Agent may make a demand therefor upon the applicable Borrower, and such Borrower shall pay
such amount to the Administrative Agent, together with interest thereon for the Compensation
Period at a rate per annum equal to the rate of interest applicable to the applicable
Borrowing. Nothing herein shall be deemed to relieve any Lender from its obligation to
fulfill its Commitment or to prejudice any rights which the Administrative Agent or any
Borrower may have against any Lender as a result of any default by such Lender hereunder.

     A notice of the Administrative Agent to any Lender or any Borrower with respect to any amount
owing under this subsection (c) shall be conclusive, absent manifest error.

     (d) If any Lender makes available to the Administrative Agent funds for any Loan to be made by
such Lender as provided in the foregoing provisions of this Article IV, and such funds are
not made available to the applicable Borrower by the Administrative Agent because the conditions to
the applicable Credit Extension set forth in Article VI are not satisfied or waived in

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accordance with the terms hereof, the Administrative Agent shall return such funds (in like
funds as received from such Lender) to such Lender, without interest.

     (e) The obligations of the Lenders hereunder to make US Committed Loans and to fund
participations in US Letters of Credit and US Swing Line Loans are several and not joint. The
failure of any Lender to make any US Committed Loan or to fund any such participation on any date
required hereunder shall not relieve any other Lender of its corresponding obligation to do so on
such date, and no Lender shall be responsible for the failure of any other Lender to so make its US
Committed Loan or purchase its participation.

     (f) The obligations of the Canadian Lenders hereunder to make Canadian Committed Loans, to
accept or purchase Bankers’ Acceptances, and to fund participations in Canadian Letters of Credit
and Canadian Swing Line Loans are several and not joint. The failure of any Canadian Lender to
make any Canadian Committed Loan, to accept or purchase any Bankers’ Acceptance, or to fund any
such participation on any date required hereunder shall not relieve any other Canadian Lender of
its corresponding obligation to do so on such date, and no Canadian Lender shall be responsible for
the failure of any other Canadian Lender to so make its Canadian Committed Loan or purchase its
participation.

     (g) Nothing herein shall be deemed to obligate any Lender to obtain the funds for any Loan in
any particular place or manner or to constitute a representation by any Lender that it has obtained
or will obtain the funds for any Loan in any particular place or manner.

     4.06 Sharing of Payments.

     (a) If, other than as expressly provided elsewhere herein, any Lender shall obtain on account
of the US Committed Loans made by it, or the participations in US L/C Obligations or in US Swing
Line Loans held by it, any payment (whether voluntary, involuntary, through the exercise of any
right of set-off, or otherwise) in excess of its ratable share (or other share contemplated
hereunder) thereof, such Lender shall immediately (i) notify the Administrative Agent of such fact,
and (ii) purchase from the other Lenders such participations in the US Committed Loans made by them
and/or such subparticipations in the participations in US L/C Obligations or US Swing Line Loans
held by them, as the case may be, as shall be necessary to cause such purchasing Lender to share
the excess payment in respect of such US Committed Loans or such participations, as the case may
be, pro rata with each of them; provided, however, that if all or any portion of
such excess payment is thereafter recovered from the applicable purchasing Lender under any of the
circumstances described in Section 12.07 (including pursuant to any settlement entered into
by the purchasing Lender in its discretion), such purchase shall to that extent be rescinded and
each other applicable Lender shall repay to the purchasing Lender the purchase price paid therefor,
together with an amount equal to such paying Lender’s ratable share (according to the proportion of
(i) the amount of such paying Lender’s required repayment to (ii) the total amount so recovered
from the purchasing Lender) of any interest or other amount paid or payable by the purchasing
Lender in respect of the total amount so recovered, without further interest thereon. The US
Borrower agrees that any Lender so purchasing a participation from the other Lender may, to the
fullest extent permitted by law, exercise all its rights of payment (including the right of
set-off, but subject to Section 12.10) with

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respect to such participation as fully as if such Lender were the direct creditor of the US
Borrower in the amount of such participation. The Administrative Agent will keep records (which
shall be conclusive and binding in the absence of manifest error) of participations purchased under
this subsection and will in each case notify the applicable Lenders following any such purchases or
repayments. Each Lender that purchases a participation pursuant to this subsection shall from and
after such purchase have the right to give all notices, requests, demands, directions and other
communications under this Agreement with respect to the portion of the US Obligations purchased to
the same extent as though the purchasing Lender were the original owner of the US Obligations
purchased.

     (b) If, other than as expressly provided elsewhere herein, any Canadian Lender shall obtain on
account of the Canadian Committed Loans made by it, the Bankers’ Acceptances accepted by it, or the
participations in Canadian L/C Obligations or in Canadian Swing Line Loans held by it, any payment
(whether voluntary, involuntary, through the exercise of any right of set-off, or otherwise) in
excess of its ratable share (or other share contemplated hereunder) thereof, such Canadian Lender
shall immediately (i) notify the Administrative Agent of such fact, and (ii) purchase from the
other Canadian Lenders such participations in the Canadian Committed Loans and Bankers’ Acceptances
made by them and/or such subparticipations in the participations in Canadian L/C Obligations or
Canadian Swing Line Loans held by them, as the case may be, as shall be necessary to cause such
purchasing Canadian Lender to share the excess payment in respect of such Canadian Committed Loans
and Bankers’ Acceptances or such participations, as the case may be, pro rata with each of them;
provided, however, that if all or any portion of such excess payment is thereafter
recovered from the applicable purchasing Canadian Lender under any of the circumstances described
in Section 12.07 (including pursuant to any settlement entered into by the purchasing
Canadian Lender in its discretion), such purchase shall to that extent be rescinded and each other
applicable Canadian Lender shall repay to the purchasing Canadian Lender the purchase price paid
therefor, together with an amount equal to such paying Canadian Lender’s ratable share (according
to the proportion of (i) the amount of such paying Canadian Lender’s required repayment to (ii) the
total amount so recovered from the purchasing Canadian Lender) of any interest or other amount paid
or payable by the purchasing Canadian Lender in respect of the total amount so recovered, without
further interest thereon. The Canadian Borrowers agree that any Canadian Lender so purchasing a
participation from another Canadian Lender may, to the fullest extent permitted by law, exercise
all its rights of payment (including the right of set-off, but subject to Section 12.10)
with respect to such participation as fully as if such Canadian Lender were the direct creditor of
the applicable Canadian Borrower in the amount of such participation. The Administrative Agent
will keep records (which shall be conclusive and binding in the absence of manifest error) of
participations purchased under this subsection and will in each case notify the applicable Canadian
Lenders following any such purchases or repayments. Each Canadian Lender that purchases a
participation pursuant to this subsection shall from and after such purchase have the right to give
all notices, requests, demands, directions and other communications under this Agreement with
respect to the portion of the Canadian Obligations purchased to the same extent as though the
purchasing Canadian Lender were the original owner of the Canadian Obligations purchased.

     4.07 Canadian Reallocation of the Commitments The Borrowers may by notice to the Administrative Agent reallocate a portion of the Aggregate
Commitments specified therein

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as part of the Aggregate Canadian Commitments; provided that (i) any
such notice shall be received by the Administrative Agent not later than 11:00 a.m. five Business
Days prior to the date such reallocation shall become effective, (ii) any such reallocation shall
be in an aggregate amount of US $50,000,000 if the amount of the Aggregate Canadian Commitments at
the time of such reallocation is zero, and otherwise in an aggregate amount of US $10,000,000 or in
each case any whole multiple of US $1,000,000 in excess thereof, or shall be a reallocation to
zero, (iii) after any such reallocation, the amount of the Aggregate Canadian Commitments shall be
equal to or greater than US $50,000,000 or shall be zero, (iv) the Borrowers shall not reallocate
any portion of the Aggregate Commitments if, after giving effect thereto and to any concurrent
prepayments hereunder (a) the Total Outstandings would exceed the Aggregate Commitments, (b) the
Total Canadian Outstandings would exceed the Aggregate Canadian Commitments, (c) the sum of any
Lender’s outstanding US Committed Loans plus such Lender’s Pro Rata Share of outstanding US L/C
Obligations and US Swing Line Loans would exceed such Lender’s US Commitment; or (d) the sum of any
Canadian Lender’s outstanding Canadian Committed Loans and Bankers’ Acceptances plus such Canadian
Lender’s Pro Rata Share of outstanding Canadian L/C Obligations and Canadian Swing Line Loans would
exceed such Canadian Lender’s Canadian Commitment, and (v) the Borrowers shall make not more than
four reallocations of the Commitments in any calendar year. The Administrative Agent will promptly
notify the Lenders or their Canadian branches or affiliates with Canadian Commitments of any such
notice of reallocation of the Commitments and the amount of their respective Canadian Commitments,
and shall notify all Lenders of the Commitments and the Aggregate Canadian Commitments upon the
effectiveness of such reallocation.

     4.08 Extension of Maturity Date.

     (a) Not earlier than 90 days prior to, nor later than 30 days prior to, each anniversary of
the Effective Date, the US Borrower may, upon notice to the Administrative Agent (which shall
promptly notify the Lenders), request a one-year extension of the Maturity Date then in effect.
Within 30 days of delivery of such notice, each Lender shall notify the Administrative Agent
whether or not it consents to such extension (which consent may be given or withheld in such
Lender’s sole and absolute discretion). Any Lender not responding within the above time period
shall be deemed not to have consented to such extension. The Administrative Agent shall promptly
notify the US Borrower and the Lenders of the Lenders’ responses.

     (b) The Maturity Date shall be extended only if Lenders holding more than 50% of the Aggregate
Commitments (calculated excluding Defaulting Lenders and prior to giving effect to any replacements
of Lenders permitted herein) (the “Consenting Lenders”) have consented thereto. If so
extended, the Maturity Date, as to the Consenting Lenders, shall be extended to the same date in
the following year, effective as of the date of such extension by the Consenting Lenders (such
effective date being the “Extension Effective Date”). The Administrative Agent and the US
Borrower shall promptly confirm to the Lenders such extension and the Extension Effective Date. As
a condition precedent to such extension, the US Borrower shall deliver to the Administrative Agent
a certificate of each Loan Party dated as of the Extension Effective Date (in sufficient copies for
each Lender) signed by a Responsible Officer of such Loan Party (i)
certifying that such extension has been duly authorized by such Loan Party and (ii) in the
case of each Borrower, certifying that, (A) before and after giving effect to such extension, the

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representations and warranties contained in Article VII and the other Loan Documents made
by it are true and correct in all material respects on and as of the Extension Effective Date,
except to the extent that such representations and warranties specifically refer to an earlier
date, (B) before and after giving effect to such extension no Default exists or will exist, and (C)
no event has occurred since the date of the most recent audited financial statements of the US
Borrower delivered pursuant to Section 8.02(a) that has had, or could reasonably be
expected to have, a Material Adverse Effect. The US Borrower shall prepay US Committed Loans
outstanding on the Maturity Date with respect to any Lender that did not consent to an extension of
such Maturity Date pursuant to Section 4.08(a) (and pay any additional amounts required
pursuant to Section 5.05) to the extent necessary to keep outstanding US Committed Loans
ratable with any revised and new Pro Rata Shares of all the Lenders effective as of such Maturity
Date. Each Canadian Borrower shall prepay any Canadian Committed Loans owing by it outstanding on
the Maturity Date with respect to any Lender that did not consent to an extension of such Maturity
Date pursuant to Section 4.08(a) (and pay any additional amounts required pursuant to
Section 5.05) to the extent necessary to keep outstanding Canadian Committed Loans ratable
with any revised and new Pro Rata Shares of all the Canadian Lenders effective as of such Maturity
Date.

     (c) If any Lender does not consent to the extension of the Maturity Date as provided in this
Section 4.08, the US Borrower shall have the right to replace such Lender in accordance with
Section 12.17.

     (d) This Section shall supersede any provisions in Section 4.06 or 12.01 to the contrary.

     4.09 Increase in Commitments.

     (a) The US Borrower shall have the right (in consultation with the Administrative Agent),
without the consent of any of the Lenders, to cause from time to time an increase in the Aggregate
Commitments by adding to this Agreement one or more additional Eligible Assignees to become Lenders
pursuant to a joinder agreement in form and substance reasonably satisfactory to the Administrative
Agent and its counsel or by allowing one or more Lenders to increase their respective Commitments,
provided, however, (i) no Default shall exist, (ii) no such increase shall result
in the Aggregate Commitments exceeding US$2,500,000,000, (iii) no such increase shall be in an
amount less than US$50,000,000, and (iv) no Lender’s Commitment shall be increased without such
Lender’s consent.

     (b) If the Aggregate Commitments are increased in accordance with this Section, the
Administrative Agent and the US Borrower shall determine the effective date (the “Increase
Effective Date”) and the final allocation of such increase. The Administrative Agent shall
promptly notify the US Borrower and the Lenders of the final allocation of such increase and the
Increase Effective Date. As a condition precedent to such increase, the US Borrower shall deliver
to the Administrative Agent a certificate of each Loan Party dated as of the Increase
Effective Date (in sufficient copies for each Lender) signed by a Responsible Officer of such
Loan Party (i) certifying and attaching the resolutions (or governing board minutes) adopted by
such Loan Party approving or consenting to such increase, and (ii) in the case of each Borrower,
certifying that, before and after giving effect to such increase, (A) the representations and

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warranties contained in Article VII and the other Loan Documents made by it are true and
correct in all material respects on and as of the Increase Effective Date, except to the extent
that such representations and warranties specifically refer to an earlier date, in which case they
are true and correct in all material respects as of such earlier date, and (B) no Default exists.
The US Borrower shall prepay any US Committed Loans outstanding on the Increase Effective Date (and
pay any additional amounts required pursuant to Section 5.05) to the extent necessary to
keep the outstanding US Committed Loans ratable with any revised Pro Rata Shares arising from any
nonratable increase in the US Commitments under this Section. Each Canadian Borrower shall prepay
any Canadian Committed Loans owing by it and outstanding on the Increase Effective Date (and pay
any additional amounts required pursuant to Section 5.05) to the extent necessary to keep
the outstanding Canadian Committed Loans ratable with any revised Pro Rata Shares arising from any
nonratable increase in the Canadian Commitments under this Section.

     (c) This Section shall supersede any provisions in Sections 4.06 or 12.01 to
the contrary.

     4.10 Termination or Reduction of Commitments. The US Borrower may, upon notice to the
Administrative Agent, terminate the Aggregate Commitments (including the Aggregate Canadian
Commitments), or from time to time permanently reduce the Aggregate Commitments (and
proportionately reduce the Aggregate Canadian Commitments); provided that (i) any such
notice shall be received by the Administrative Agent not later than 11:00 a.m. two Business Days
prior to the date of termination or reduction, (ii) any such partial reduction shall be in an
aggregate amount of US $10,000,000 or any whole multiple of US $1,000,000 in excess thereof, (iii)
the US Borrower shall not terminate or reduce the Aggregate Commitments (and the Aggregate Canadian
Commitments, if applicable) if, after giving effect thereto and to any concurrent prepayments
hereunder, (1) the Total Outstandings would exceed the Aggregate Commitments, (2) the Total US
Outstandings would exceed the Aggregate US Commitments, or (3) the Total Canadian Outstandings
would exceed the Aggregate Canadian Commitments, and (iv) if, after giving effect to any reduction
of the Aggregate Commitments, the US Letter of Credit Sublimit or the US Swing Line Sublimit
exceeds the amount of the Aggregate US Commitments or the Canadian Letter of Credit Sublimit or the
Canadian Swing Line Sublimit exceeds the Aggregate Canadian Commitments, such Sublimits shall be
automatically reduced by the amount of such excess. The Administrative Agent will promptly notify
the Lenders of any such notice of termination or reduction of the Aggregate Commitments. Any
reduction of the Aggregate Commitments shall be applied to the US Commitment of each Lender
according to such Lender’s Pro Rata Share. All fees accrued until the effective date of any
termination of the Aggregate Commitments shall be paid on the effective date of such termination.

ARTICLE V.

TAXES, YIELD PROTECTION AND ILLEGALITY

     5.01 Taxes.

     (a) Except to the extent that any Borrower shall be required by any Law to deduct any Taxes
from or in respect of any sum payable under any Loan Document, any and all

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payments by any Borrower
to or for the account of the Administrative Agent or any Lender under any Loan Document shall be
made free and clear of and without deduction for any and all present or future taxes, duties,
levies, imposts, deductions, assessments, fees, withholdings or similar charges, and all
liabilities with respect thereto, excluding, in the case of the Administrative Agent and
each Lender, (i) taxes imposed on or measured by its overall net income, and franchise taxes
imposed on it (in lieu of net income taxes), by the jurisdiction (or any political subdivision
thereof) under the Laws of which the Administrative Agent or such Lender, as the case may be, is
organized or maintains its applicable lending office or a jurisdiction in which the Administrative
Agent or such Lender, as the case may be, is deemed to be doing business (except for a jurisdiction
in which the Administrative Agent or such Lender, as the case may be, would not be treated as doing
business but for and solely as a result of its participation in the transactions governed by the
Loan Documents), (ii) withholding taxes excluded by Section 12.08(j) and (iii) U.S. back-up
withholding taxes (all such non-excluded taxes, duties, levies, imposts, deductions, assessments,
fees, withholdings or similar charges, and liabilities being hereinafter referred to as
“Taxes”). If any Borrower shall be required by any Law to deduct any Taxes from or in
respect of any sum payable under any Loan Document to the Administrative Agent or any Lender, (i)
subject to compliance by such Lender with Sections 12.16 and 5.01(g), as applicable, 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), each of the Administrative
Agent and such Lender receives an amount equal to the sum it would have received had no such
deductions been made, (ii) such Borrower shall make such deductions, (iii) such Borrower shall pay
the full amount deducted to the relevant taxation authority or other authority in accordance with
applicable Laws, and (iv) within 30 days after the date of such payment, such Borrower shall
furnish to the Administrative Agent (which shall forward the same to such Lender) the original or a
certified copy of a receipt evidencing payment thereof.

     (b) In addition, the Borrowers agree to pay any and all present or future stamp, court or
documentary taxes and any other excise or property taxes or charges or similar levies which arise
from any payment made under any Loan Document or from the execution, delivery, performance,
enforcement or registration of, or otherwise with respect to, any Loan Document (excluding, in each
case, amounts imposed on an assignment, a grant of a participation or other transfer of an interest
in any Loan or Loan Document, except to the extent pursuant to a request of a Borrower or to the
extent that such assignment, grant or other transfer was compelled by Law) (hereinafter referred to
as “Other Taxes”).

     (c) If any Borrower shall be required to deduct or pay any Taxes or Other Taxes from or in
respect of any sum payable under any Loan Document to the Administrative Agent or any Lender, such
Borrower shall also pay to the Administrative Agent or to such Lender, as the case may be, at the
time interest is paid, such additional amount that the Administrative Agent or such Lender
specifies is necessary to preserve the after-tax yield, after factoring in all taxes, including
taxes imposed on or measured by net income, that the Administrative Agent or such Lender would have
received if such Taxes or Other Taxes had not been imposed and after taking into account any tax
credits arising from or relating to such deduction or withholding, it being understood that to the
extent a Lender certifies in good faith that it is not entitled to a tax credit (or is not able to
use the tax credit to preserve its after-tax yield at a level in excess of that which

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would be
otherwise obtainable if the tax credit were not available), such tax credits shall not be taken
into account.

     (d) Subject to compliance by such Lender with Sections 12.16 and 5.01(g), as applicable, each
Borrower agrees to indemnify the Administrative Agent and each Lender for (i) the full amount of
Taxes and Other Taxes (including any Taxes or Other Taxes imposed or asserted by any jurisdiction
on amounts payable under this Section) paid by the Administrative Agent and such Lender, (ii)
amounts payable under Section 5.01(c) and (iii) any liability (including additions to tax,
penalties, interest and expenses) arising therefrom or with respect thereto, in each case whether
or not such Taxes or Other Taxes were correctly or legally imposed or asserted by the relevant
Governmental Authority; provided that the Borrowers shall not be obligated to indemnify the
Administrative Agent or any Lender pursuant to this Section 5.01(d) in respect of
penalties, interest or expenses arising from or with respect to such Taxes or Other Taxes if such
penalties, interest or expenses are attributable to the gross negligence or willful misconduct of
the Person seeking indemnification. Any payment required to be made under this Section
5.01(d) shall be made within 30 days after the date such Lender or the Administrative Agent
makes a demand therefor.

     (e) In the event that any Lender or the Administrative Agent receives a refund in respect of
Taxes or Other Taxes as to which it has been paid additional amounts by any Borrower pursuant to
clause (a) or (b) above or indemnified by any Borrower pursuant to clause (d) and such Lender or
Administrative Agent, as applicable, reasonably determines that such refund is attributable to such
additional amounts or indemnification, then such Lender or Administrative Agent, as applicable,
shall promptly notify the Administrative Agent and the applicable Borrower and shall within 30
Business Days remit to such Borrower an amount as such Lender or Administrative Agent, as
applicable, determines to be the proportion of the refunded amount as will leave it, after such
remittance, in no better or worse position than it would have been if the Taxes or Other Taxes had
not been imposed and the corresponding additional amounts or indemnification payment not been made;
provided, that such Borrower, upon request by the Administrative Agent or such Lender,
shall promptly return such refund to the Administrative Agent or such Lender, as the case may be,
in the event that the Administrative Agent or such Lender is required to repay such refund to the
relevant Governmental Authority. Nothing contained in this Section 5.01(e) shall require
the Administrative Agent or any Lender (i) to make available to any Borrower any of its tax returns
or any other information relating to its taxes that it deems to be confidential or (ii) to arrange
its affairs in any way in order to maximize a refund or credit of taxes described in this
Section 5.01.

     (f) If requested by any Borrower, any Lender claiming any indemnity or additional amounts
payable pursuant to this Section 5.01 shall use its reasonable efforts (consistent with its
reasonable internal policy and legal and regulatory restrictions) to change the jurisdiction of its
designated Lending Office if the making of such a change would avoid the need for, or reduce the
amount of, any such indemnity or additional amounts which would be payable or may thereafter
accrue; provided, that such designation would not, in the sole judgment of such Lender
exercised in good faith, be otherwise disadvantageous to such Lender; provided,
further, that nothing in this Section 5.01(f) shall adversely affect or postpone
any of the obligations of any Borrower or the rights of any Lender under this Agreement.

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     (g) Each Canadian Lender that is not a Canadian Resident Lender shall deliver, or have its
applicable lending office deliver, to the Canadian Borrowers and the Administrative Agent on the
date on which such Canadian Lender or such applicable lending office becomes a Canadian Lender
hereunder (whether by way of becoming a successor Canadian Lender or otherwise), notice that the
Canadian Lender is not a Canadian Resident Lender. In addition, if there is any change in such
status, the applicable Canadian Lender shall provide notice of such change promptly to the Canadian
Borrowers and the Administrative Agent. Notwithstanding any provision hereof to the contrary and
for the avoidance of doubt, it is acknowledged by the parties that there may be Canadian tax
imposed under Part XIII of the Income Tax Act (Canada) (“Canadian Withholding Tax”) on any payments
as, on account or in lieu of payment of, or in satisfaction of, interest and other fees paid by the
Canadian Borrowers or the Administrative Agent under the Canadian SubFacility (but, for greater
certainty, excluding any payments under the Guaranties) to persons who are not Canadian Resident
Lenders (such payments a “Taxable Payment”). The Canadian Borrowers shall have no obligation to
make any additional or increased payment under clause (a) or clause (c) above, or to indemnify the
Administrative Agent or a Canadian Lender under clause (d) above, in respect of any Canadian
Withholding Tax on a Taxable Payment, and the Canadian Borrowers shall be entitled to deduct and
remit to the proper Canadian taxing authorities any such Canadian Withholding Tax from any such
Taxable Payments.

     5.02 Illegality. If any Lender determines that any Law has made it unlawful, or that any
Governmental Authority has asserted that it is unlawful, for any Lender or its applicable Lending
Office to make, maintain or fund US Dollar Eurodollar Rate Loans, or Canadian Dollar Eurodollar
Rate Loans, as applicable, or to determine or charge interest rates based upon the US Dollar
Eurodollar Rate or the Canadian Dollar Eurodollar Rate, then, on notice thereof by such Lender to
each applicable Borrower through the Administrative Agent, any obligation of such Lender (a) to
make or continue US Dollar Eurodollar Rate Loans or Canadian US Eurodollar Rate Committed Loans, or
(b) to convert (i) US Base Rate Committed Loans to US Eurodollar Rate Committed Loans or (ii)
Canadian Prime Rate Committed Loans or Canadian Base Rate Committed Loans to Canadian Eurodollar
Rate Committed Loans or Canadian US Eurodollar Rate Committed Loans, shall be suspended until such
Lender notifies the Administrative Agent and each applicable Borrower that the circumstances giving
rise to such determination no longer exist. Upon receipt of such notice, each applicable Borrower
shall, upon demand from such Lender (with a copy to the Administrative Agent), prepay or, if
applicable, (a) convert all US
Dollar Eurodollar Rate Loans or Canadian US Eurodollar Rate Committed Loans of such Lender to US
Base Rate Loans, or Canadian Base Rate Committed Loans, as the case may be, and (b) convert all
Canadian Dollar Eurodollar Rate Loans of such Lender to Canadian Prime Rate Committed Loans,
either on the last day of the Interest Period therefor, if such Lender may lawfully continue to
maintain such US Dollar Eurodollar Rate Loans or Canadian Dollar Eurodollar Rate Loans, as the case
may be, to such day, or immediately, if such Lender may not lawfully continue to maintain such US
Dollar Eurodollar Rate Loans or Canadian Eurodollar Rate Loans, as the case may be. Upon any such
prepayment or conversion, each applicable Borrower shall also pay accrued interest on the amount so
prepaid or converted. Each Lender agrees to designate a different Lending Office if such
designation will avoid the need for such notice and will not, in the good faith judgment of such
Lender, otherwise be materially disadvantageous to such Lender.

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     5.03 Inability to Determine Rates.

     (a) If the US Required Lenders determine that for any reason adequate and reasonable means do
not exist for determining the US Dollar Eurodollar Rate for any requested Interest Period with
respect to a proposed US Eurodollar Rate Committed Loan, or that the US Dollar Eurodollar Rate for
any requested Interest Period with respect to a proposed US Eurodollar Rate Committed Loan does not
adequately and fairly reflect the cost to such Lenders of funding such Loan, the Administrative
Agent will promptly so notify the US Borrower and each Lender. Thereafter, the obligation of the
Lenders to make or maintain US Dollar Eurodollar Rate Loans shall be suspended until the
Administrative Agent (upon the instruction of the US Required Lenders) revokes such notice. Upon
receipt of such notice, the US Borrower may revoke any pending request for a US Borrowing of,
conversion to or continuation of US Eurodollar Rate Committed Loans or, failing that, will be
deemed to have converted such request into a request for a US Committed Borrowing of US Base Rate
Loans in the amount specified therein.

     (b) If the Canadian Required Lenders determine that for any reason adequate and reasonable
means do not exist for determining the US Dollar Eurodollar Rate or the Canadian Dollar Eurodollar
Rate for any requested Interest Period with respect to a proposed Canadian Eurodollar Rate
Committed Loan, or that the US Dollar Eurodollar Rate or the Canadian Dollar Eurodollar Rate for
any requested Interest Period with respect to a proposed Canadian Committed Loan does not
adequately and fairly reflect the cost to such Canadian Lenders of funding such Loan, the
Administrative Agent will promptly so notify each Canadian Borrower and each Canadian Lender.
Thereafter, the obligation of the Canadian Lenders to make or maintain Canadian Dollar Eurodollar
Rate Loans and Canadian US Eurodollar Rate Loans shall be suspended until the Administrative Agent
(upon the instruction of the Canadian Required Lenders) revokes such notice. Upon receipt of such
notice, any Canadian Borrower may revoke any pending request for a Canadian Borrowing of,
conversion to or continuation of such Canadian Committed Loans or, failing that, will be deemed to
have converted such request into a request for a Canadian Committed Borrowing of Canadian Base Rate
Committed Loans or Canadian Prime Rate Committed Loans in the amount specified therein.

     5.04 Increased Cost and Reduced Return; Capital Adequacy; Reserves on US Dollar Eurodollar Rate
Loans, Canadian Dollar Eurodollar Rate Loans, and Canadian US Eurodollar Rate Committed Loans.

     (a) If any Lender determines that as a result of a Change in Law, or such Lender’s compliance
therewith, there shall be any increase in the cost to such Lender of agreeing to make or making,
funding or maintaining US Dollar Eurodollar Rate Loans, Canadian Dollar Eurodollar Rate Loans, or
Canadian US Eurodollar Rate Committed Loans or (as the case may be) issuing or participating in
Letters of Credit, or a reduction in the amount received or receivable by such Lender in connection
with any of the foregoing (excluding for purposes of this subsection (a) any such increased costs
or reduction in amount resulting from (i) Taxes or Other Taxes (as to which Section 5.01
shall govern), (ii) changes in the basis of taxation of, or in the rate or amount of taxes imposed
on or measured by reference to, overall net income or franchise taxes (in lieu of net income
taxes), or overall gross income by the United States or

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Canada or any other foreign jurisdiction or
any political subdivision of either thereof under the Laws of which such Lender is organized or
maintains a Lending Office, (iii) taxes excluded by Section 5.01, and (iv) reserve
requirements contemplated by Section 5.04(c)), then from time to time within 20 days
following delivery by such Lender of a certificate described in Section 5.06 (with a copy
of such demand to the Administrative Agent), each applicable Borrower shall pay to such Lender such
additional amounts as will compensate such Lender for such increased cost or reduction.

     (b) If any Lender determines that a Change in Law regarding capital adequacy or compliance by
such Lender (or its Lending Office) therewith, has the effect of reducing the rate of return on the
capital of such Lender or any corporation controlling such Lender as a consequence of such Lender’s
obligations hereunder (taking into consideration its policies with respect to capital adequacy and
such Lender’s desired return on capital), then from time to time upon demand of such Lender (with a
copy of such demand to the Administrative Agent), each applicable Borrower shall pay to such Lender
such additional amounts as will compensate such Lender for such reduction.

     (c) The US Borrower shall pay to each Lender, and the applicable Canadian Borrower shall pay
to each Canadian Lender, as long as such Lender shall be required to maintain reserves with respect
to liabilities or assets consisting of or including Eurocurrency funds or deposits (currently known
as “Eurocurrency liabilities”), additional interest on the unpaid principal amount of each US
Dollar Eurodollar Rate Loan or Canadian Dollar Eurodollar Rate Loan, as applicable, equal to the
actual costs of such reserves allocated to such Loan by such Lender (as determined by such Lender
in good faith, which determination shall be conclusive), which shall be due and payable on each
date on which interest is payable on such Loan, provided the applicable Borrower shall have
received at least 15 days’ prior notice (with a copy to the Administrative Agent) of such
additional interest from such Lender. If a Lender fails to give notice 15 days prior to the
relevant Interest Payment Date, such additional interest shall be due and payable 15 days from
receipt of such notice.

     5.05 Compensation for Losses. Within 20 days following delivery by any Lender of a certificate
described in Section 5.06, upon demand of such Lender (with a copy to the Administrative
Agent) from time to time, each applicable Borrower shall promptly compensate such Lender for and
hold such Lender harmless from any loss, cost or expense incurred by it as a result of:

     (a) any continuation, conversion, payment or prepayment of any Loan other than a US Base Rate
Loan, a Canadian Prime Rate Committed Loan or a Canadian Base Rate Committed Loan on a day other
than the last day of the Interest Period for such Loan (whether voluntary, mandatory, automatic, by
reason of acceleration, or otherwise); or

     (b) any failure by the applicable Borrower (for a reason other than the failure of such Lender
to make a Loan) to prepay, borrow, continue or convert any Loan other than a US Base Rate Loan, a
Canadian Prime Rate Loan or a Canadian Base Rate Committed Loan, as the case may be, on the date or
in the amount notified by the applicable Borrower; or

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     (c) any assignment of a US Dollar Eurodollar Rate Loan or a Canadian Dollar Eurodollar Rate
Loan or a Canadian US Eurodollar Rate Committed Loan, as the case may be, on a day other than the
last day of the Interest Period therefor as a result of a request by the applicable Borrower
pursuant to Section 12.17;

     excluding any loss of anticipated profits but including any actual loss or expense arising from the
liquidation or reemployment of funds obtained by it to maintain such Loan or from fees payable to
terminate the deposits from which such funds were obtained.

     5.06 Matters Applicable to all Requests for Compensation.

     A certificate of the Administrative Agent or any Lender claiming compensation under this
Article V and setting forth the additional amount or amounts to be paid to it hereunder and
the basis and calculation thereof shall be conclusive in the absence of manifest error. In
determining such amount, the Administrative Agent or such Lender may use any reasonable averaging
and attribution methods. The applicable Borrower may reasonably request copies of documentation
supporting such methods.

     Upon any Lender’s making a claim for compensation under Section 5.01 or 5.04, the US
Borrower may replace such Lender in accordance with Section 12.17.

     Notwithstanding any other provision of this Agreement to the contrary, no Borrower shall be
under any obligation to compensate the Administrative Agent or any Lender under Sections
5.01, 5.04 or 5.05 with respect to any request to be compensated for any
losses, costs, expenses or other amounts relating to any period prior to the date that is 180 days
prior to such request if such Lender or the Administrative Agent, as the case may be, knew of the
circumstances giving rise to such losses, costs, expenses or amounts.

     5.07 Survival. All of the Borrowers’ obligations under this Article V shall survive
termination of the Aggregate Commitments and repayment of all other Obligations hereunder.

ARTICLE VI.

CONDITIONS PRECEDENT TO CREDIT EXTENSIONS

     6.01 Conditions to Effectiveness of this Agreement. This Agreement is being executed and delivered
on the Closing Date and shall become effective as of April 7, 2006 (the “Effective Date”)
upon the satisfaction of the following conditions precedent:

     (a) The Administrative Agent’s receipt of the following, each of which shall be originals or
facsimiles (followed promptly by originals) unless otherwise specified, each properly executed by a
Responsible Officer of the signing Loan Party, each dated the Effective Date (or, in the case of
certificates of governmental officials, a recent date before the Effective Date) and each in form
and substance satisfactory to the Administrative Agent and each of the Lenders:

     (i) executed counterparts of this Agreement and the Guaranties, sufficient in number
for distribution to the Administrative Agent, each Lender and each Borrower;

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     (ii) a Note executed by each Borrower, as applicable in favor of each Lender requesting
a Note;

     (iii) such certificates of resolutions or other action, incumbency certificates and/or
other certificates of Responsible Officers of each Loan Party as the Administrative Agent
may reasonably require evidencing the identity, authority and capacity of each Responsible
Officer thereof authorized to act as a Responsible Officer in connection with this Agreement
and the other Loan Documents to which such Loan Party is a party;

     (iv) such documents and certificates as the Administrative Agent may reasonably require
to evidence that each Loan Party is duly organized or formed, validly existing and in good
standing issued by appropriate public officials of the jurisdiction of such Loan Party’s
organization or formation;

     (v) favorable opinions of (i) Skadden, Arps, Slate, Meagher & Flom LLP, counsel to the
Loan Parties, (ii) Bennett Jones LLP, counsel to the Canadian Borrowers, and (iii) Stewart
McKelvey Stirling Scales, counsel to the Canadian Borrowers and Devon Financing ULC, in each
case addressed to the Administrative Agent and each Lender, as to the matters set forth in
Exhibit H, as applicable, and such other matters concerning the Loan Parties and the
Loan Documents as the Required Lenders may reasonably request;

     (vi) a certificate signed by a Responsible Officer of the US Borrower certifying (A)
that the conditions specified in Sections 6.02(a) and (b) have been satisfied, (B)
that there has been no event or circumstance since the date of the Audited Financial
Statements that has had or could be reasonably expected to have, either individually or in
the aggregate, a Material Adverse Effect; and (C) the current Debt Ratings; and

     (vii) a duly completed Compliance Certificate as of December 31, 2005, signed by a
Responsible Officer of the US Borrower.

     (b) All accrued but unpaid interest, facility fees, utilization fees, letter of credit fees,
and other fees and expenses due and payable under the Existing Credit Agreement shall be paid on
the Effective Date.

     (c) Any fees required to be paid on or before the Effective Date shall have been paid.

     (d) Unless waived by the Administrative Agent, the Borrowers shall have paid all reasonable
and documented Attorney Costs of the Administrative Agent to the extent invoiced prior to or on the
Effective Date, plus such additional amounts of Attorney Costs as shall constitute its reasonable
estimate of Attorney Costs incurred or to be incurred by it through the closing proceedings;
provided that such estimate shall not thereafter preclude a final settling of accounts
between the Borrowers and the Administrative Agent; and provided further that, as used in
this Section 6.01(d), “Attorney Costs” shall include (i) all fees, expenses and
disbursements of only one law firm constituting U.S. counsel to the Administrative Agent, and

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(ii)
all fees, expenses and disbursements of only one law firm constituting Canadian counsel to the
Administrative Agent.

     6.02 Conditions to all Credit Extensions. The obligations of each Lender to honor any Request for
Credit Extension (other than a Committed Loan Notice requesting only a conversion of Committed
Loans to the other Type or a continuation of Loans) are subject to the following conditions
precedent:

     (a) The representations and warranties of each Borrower and each other Loan Party (i) which
are contained in Article VII, any other Loan Document, such Request for Credit Extension or
the most recent Compliance Certificate delivered to Administrative Agent prior to the requested
date for such Credit Extension, or (ii) which are contained in any other document furnished at any
time under or in connection herewith or therewith that specifically states therein that such
representations and warranties are being made for the benefit of the Lenders and the Administrative
Agent, shall be true and correct (in the case of each representation and warranty described in
clause (i) or (ii) immediately preceding) in all material respects on and as of the date of such US
Credit Extension, except to the extent that such representations and warranties specifically refer
to an earlier date, in which case they shall be true and correct in all material respects as of
such earlier date.

     (b) No Default shall exist, or would result from such proposed Credit Extension.

     (c) The Administrative Agent and the applicable L/C Issuer or US Swing Line Lender or Canadian
Swing Line Lender (as applicable) shall have received a Request for US Credit Extension or Request
for Canadian Credit Extension, as the case may be, in accordance with the requirements hereof.

Each Request for US Credit Extension and Request for Canadian Credit Extension (other than (i) a US
Committed Loan Notice requesting only a conversion of US Committed Loans to the other Type or a
continuation of US Eurodollar Rate Committed Loans or (ii) a Canadian Committed Borrowing Notice
requesting only a conversion of Canadian Committed Loans to the other Type or a continuation of
Canadian Eurodollar Rate Committed Loans) submitted by any Borrower shall be deemed to be a
representation and warranty that the conditions specified in Sections 6.02(a) and
(b) have been satisfied on and as of the date of the applicable Credit Extension.

     6.03 Confirmation of Conditions to Effectiveness of this Agreement. The Administrative Agent shall
provide prompt written notice to the Borrowers and the Lenders of the satisfaction (or waiver) of
the conditions precedent set forth in Section 6.01 and the effectiveness of this Agreement.

ARTICLE VII.

REPRESENTATIONS AND WARRANTIES

     To confirm each Lender’s understanding concerning Restricted Persons and Restricted Persons’
businesses, properties and obligations and to induce each Lender to enter into this

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Agreement and to extend credit hereunder, each Canadian Borrower represents and warrants to each Lender with
respect to the following matters applicable to it and its Subsidiaries that, and the US Borrower
represents and warrants to each Lender with respect to all of the following matters that:

     7.01 No Default. No event has occurred and is continuing which constitutes a Default.

     7.02 Organization and Good Standing. Each Restricted Person is duly organized, validly
existing and in good standing under the Laws of its jurisdiction of organization, having all powers
required to carry on its business and enter into and carry out the transactions contemplated
hereby. Each Restricted Person is duly qualified, in good standing, and authorized to do business
in all other jurisdictions within the United States or Canada where the failure to so qualify would
have a Material Adverse Effect. Each Restricted Person has taken all actions and procedures
customarily taken in order to enter, for the purpose of conducting business or owning property,
each jurisdiction outside the United States or Canada where the failure to take such actions or
procedures would have a Material Adverse Effect.

     7.03 Authorization. Each Borrower has duly taken all action necessary to authorize the
execution and delivery by it of the Loan Documents to which it is a party and to authorize the
consummation of the transactions contemplated thereby and the performance of its obligations
thereunder. The Borrowers are duly authorized to make Borrowings and request Letters of Credit
hereunder.

     7.04 No Conflicts or Consents. The execution and delivery by the various Restricted Persons
of the Loan Documents to which each is a party, the performance by each of its obligations under
such Loan Documents, and the consummation of the transactions contemplated by the various Loan
Documents, do not and will not conflict with any provision of (A) any Law, (B) the Organizational
Documents of any Restricted Person, or (C) any agreement, judgment, license, order or permit
applicable to or binding upon any Restricted Person unless such conflict would not reasonably be
expected to have a Material Adverse Effect, or result in the acceleration of any Indebtedness owed
by any Restricted Person which would reasonably be expected to have a Material Adverse Effect, or
result in or require the creation of any Lien upon any assets or properties of any Restricted
Person which would reasonably be expected to have a Material Adverse Effect, except as expressly
contemplated or permitted in the Loan Documents. Except as expressly contemplated in the Loan
Documents no consent, approval, authorization or order of, and no notice to or filing with, any
Governmental Authority or third party is required in connection with the execution, delivery or
performance by any Restricted Person of any Loan Document or to consummate any transactions
contemplated by the Loan Documents, unless failure to obtain such consent, approval, authorization
or order or provide such notice or filing would not reasonably be expected to have a Material
Adverse Effect.

     7.05 Enforceable Obligations. This Agreement is, and the other Loan Documents when duly
executed and delivered will be, legal, valid and binding obligations of each Restricted Person
which is a party hereto or thereto, enforceable in accordance with their terms except as such
enforcement may be limited by applicable Debtor Relief Laws.

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     7.06 Full Disclosure. No certificate, statement or other information delivered herewith or
heretofore by any Restricted Person to any Lender in connection with the negotiation of this
Agreement or in connection with any transaction contemplated hereby contains any untrue statement
of a material fact or when taken together with all reports, statements, schedules and other
information included in filings made by the US Borrower and its Subsidiaries with the SEC
(collectively, “SEC Filings”) omits to state any material fact known to any Restricted Person
(other than industry-wide risks normally associated with the types of businesses conducted by
Restricted Persons) necessary to make the statements contained herein or therein not misleading as
of the date made or deemed made. There is no fact known to any Restricted Person (other than
industry-wide risks normally associated with the types of businesses conducted by Restricted
Persons) that has not been disclosed in the SEC Filings or a Disclosure Report to each Lender in
writing which would reasonably be expected to have a Material Adverse Effect.

     7.07 Litigation. Except as disclosed in the SEC Filings or in the Disclosure Schedule or a
Disclosure Report there are no actions, suits or legal, equitable, arbitrative or administrative
proceedings pending, or to the knowledge of any Restricted Person threatened, against any
Restricted Person before any Governmental Authority which would reasonably be expected to have a
Material Adverse Effect, and there are no outstanding judgments, injunctions, writs, rulings or
orders by any such Governmental Authority against any Restricted Person which would reasonably be
expected to have a Material Adverse Effect.

     7.08 ERISA Plans and Liabilities.

     All ERISA Plans and Multiemployer Plans existing as of the date hereof are listed in the
Disclosure Schedule. Except as disclosed in the Disclosure Schedule, in the SEC Filings or a
Disclosure Report, no Termination Event when taken together with all other Termination Events,
would reasonably be expected to have a Material Adverse Effect. Except as set forth in Schedule
7.08 or in the Annual Report on Form 10K or the Quarterly Report on Form 10Q of US Borrower filed
with the SEC, (i) no “accumulated funding deficiency” (as defined in Section 412(a) of the Internal
Revenue Code) exists with respect to any ERISA Plan, whether or not waived by the Secretary of the
Treasury or his delegate, (ii) the total amount of withdrawal liability that would be incurred by
all ERISA Affiliates upon their complete withdrawal from all Multiemployer Plans would not
reasonably be expected to exceed the Threshold Amount, and (iii) the total present value of all
unfunded benefit liabilities within the meaning of Title IV of ERISA of all ERISA Plans (based upon
the actuarial assumptions used to fund each such Plan) did not, as of the respective annual
valuation dates for the most recently ended plan year of each such Plan, exceed the Threshold
Amount.

     7.09 Environmental and Other Laws. Except as disclosed in the Disclosure Schedule, Restricted
Persons are conducting their businesses in material compliance with all applicable Laws, including
Environmental Laws, and have and are in compliance with all licenses and permits required under any
such Laws, unless failure to so comply would not reasonably be expected to have a Material Adverse
Effect; none of the operations or properties of any Restricted Person is the subject of federal,
state or local investigation evaluating whether any material remedial action is needed to respond
to a release of any Hazardous Materials into the environment or to the improper storage or disposal
(including storage or disposal at offsite

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locations) of any Hazardous Materials, unless such
remedial action would not reasonably be expected to have a Material Adverse Effect; and no
Restricted Person (and to the best knowledge of Borrowers, no other Person) has filed any notice
under any Law indicating that any Restricted Person is responsible for the improper release into
the environment, or the improper storage or disposal, of any material amount of any Hazardous
Materials or that any Hazardous Materials have been improperly released, or are improperly stored
or disposed of, upon any property of any Restricted Person, unless such failure to so comply would
not reasonably be expected to have a Material Adverse Effect.

     7.10 Material Subsidiaries. As of the date hereof: US Borrower does not have any Material
Subsidiary except those listed in the Disclosure Schedule, and US Borrower owns, directly or
indirectly, the equity interest in each of its Material Subsidiaries which is indicated in the
Disclosure Schedule.

     7.11 Title to Properties; Licenses. Each Restricted Person has good and defensible title to
all of its material properties and assets, free and clear of all Liens other than Permitted Liens
and of all impediments to the use of such properties and assets in such Restricted Person’s
business except to the extent failure to have such title would not have a Material Adverse Effect.
Each Restricted Person possesses all licenses, permits, franchises, patents, copyrights, trademarks
and trade names, and other intellectual property (or otherwise possesses the right to use such
intellectual property) which are necessary to carry out its business as presently conducted and as
presently proposed to be conducted hereafter except to the extent failure to possess such licenses,
permits, franchises, and intellectual property would not have a Material Adverse Effect, and no
Restricted Person is in violation in any material respect of the terms under which it possesses
such intellectual property or the right to use such intellectual property except to the extent any
such violation would not have a Material Adverse Effect.

     7.12 Government Regulation. No Restricted Person owing Obligations is or is required to be
registered as an “investment company” under the Investment Company Act of 1940.

     7.13 Solvency. Upon giving effect to the issuance of the Notes, the execution of each Loan
Document by each Borrower and the consummation of the transactions contemplated hereby, each
Borrower will be solvent (as such term is used in applicable bankruptcy, liquidation, receivership,
insolvency or similar Laws).

ARTICLE VIII.

AFFIRMATIVE COVENANTS

     So long as any Lender shall have any Commitment hereunder or any Loan or interest thereon or
fee owed hereunder shall remain unpaid or unsatisfied, or any Letter of Credit or L/C Obligation
shall remain outstanding, each Canadian Borrower shall and the US Borrower shall, and shall cause
each applicable Restricted Subsidiary to, comply with the following covenants:

     8.01 Payment and Performance. Each Borrower will pay all amounts due and payable by such
Borrower under the Loan Documents in accordance with the terms thereof and will observe, perform
and comply with every covenant and term in the Loan Documents

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applicable to it. The US Borrower
will cause each other Restricted Person to observe, perform and comply with every such term and
covenant in any Loan Document applicable to it.

     8.02 Books, Financial Statements and Reports. Each Restricted Person will at all times
maintain full and accurate books of account and records. The US Borrower will furnish the
following statements and reports to Administrative Agent at the US Borrower’s expense:

     (a) Within five (5) Business Days of being filed with the SEC, and in any event within ninety
(90) days after the end of each Fiscal Year, complete consolidated financial statements of the US
Borrower together with all notes thereto, prepared in reasonable detail in accordance with GAAP,
together with an unqualified opinion, based on an audit using generally accepted auditing
standards, by KPMG Peat Marwick L.L.P., or other independent certified public accountants selected
by the US Borrower and reasonably acceptable to Administrative Agent, stating that such
consolidated financial statements have been so prepared. These financial statements shall contain
a consolidated balance sheet as of the end of such Fiscal Year and consolidated statements of
earnings, of cash flows, and of changes in owners’ equity for such Fiscal Year, each setting forth
in comparative form the corresponding figures for the preceding Fiscal Year. In addition, together
with each such set of financial statements, the US Borrower will furnish to Administrative Agent a
Compliance Certificate signed by a Responsible Officer of the US Borrower, stating that such
financial statements are accurate and complete, stating that such Person has reviewed or caused to
be reviewed the Loan Documents, containing all calculations required to be made to show compliance
or non-compliance with the provisions of Section 9.07, and further stating that to such Person’s
best knowledge there is no condition or event at the end of such Fiscal Year or at the time of such
certificate which constitutes a Default or, if a Default exists, specifying the nature and period
of existence of any such condition or event.

     (b) Within five (5) Business Days of being filed with the SEC, and in any event within
forty-five (45) days after the end of each Fiscal Quarter, the US Borrower’s consolidated and
consolidating balance sheet and income statement as of the end of such Fiscal Quarter and a
consolidated statement of cash flows for the period from the beginning of the then current Fiscal
Year to the end of such Fiscal Quarter, all in reasonable detail and prepared in accordance with
GAAP, subject to changes resulting from normal year-end adjustments. In addition the US Borrower
will, together with each such set of financial statements, furnish a Compliance Certificate signed
by a Responsible Officer of the US Borrower stating that such financial statements are accurate and
complete (subject to normal year-end adjustments), stating that such Person has reviewed or caused
to be reviewed the Loan Documents, containing all calculations required to be made by the US
Borrower to show compliance or non-compliance with the provisions of Section 9.07 and further
stating that to such Person’s best knowledge there is no condition or event at the end of such
Fiscal Quarter or at the time of such certificate which constitutes a Default or if a Default
exists, specifying the nature and period of existence of any such condition or event.

     (c) Promptly upon their becoming available, copies of all financial statements, reports,
notices and proxy statements sent by the US Borrower to its stockholders and all registration
statements, periodic reports and other statements and schedules filed by the US Borrower with any
securities exchange, the SEC or any similar Governmental Authority,

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including any information or estimates with respect to the US Borrower’s oil and gas business
(including its exploration, development and production activities) which are required to be
furnished in the US Borrower’s annual report pursuant to Sections 13 or 15(d) of the Securities
Exchange Act of 1934, as amended.

     Documents required to be delivered pursuant to this Section 8.02 (to the extent any
such documents are included in materials otherwise filed with the SEC) may be delivered
electronically and, if so delivered, shall be deemed to have been delivered on the date (i) on
which the US Borrower posts such documents, or provides a link thereto on the US Borrower’s website
on the Internet at the website address listed on Schedule 12.02; or (ii) on which such
documents are posted on the US Borrower’s behalf on an Internet or intranet website, if any, to
which each Lender and the Administrative Agent have access (whether a commercial, third-party
website or whether sponsored by the Administrative Agent); provided that: (i) the US
Borrower shall deliver paper copies of such documents to the Administrative Agent or any Lender
that requests the US Borrower to deliver such paper copies until a written request to cease
delivering paper copies is given by the Administrative Agent or such Lender and (ii) the US
Borrower shall notify (which may be by facsimile or electronic mail) the Administrative Agent and
each Lender of the posting of any such documents and provide to the Administrative Agent by
electronic mail electronic versions (i.e., soft copies) of such documents. Notwithstanding
anything contained herein, in every instance the US Borrower shall be required to provide paper
copies of the Compliance Certificates required by this Section 8.02 to the Administrative
Agent. Except for such Compliance Certificates, the Administrative Agent shall have no obligation
to request the delivery or to maintain copies of the documents referred to above, and in any event
shall have no responsibility to monitor compliance by the US Borrower with any such request for
delivery, and each Lender shall be solely responsible for requesting delivery to it or maintaining
its copies of such documents.

     Each Borrower hereby acknowledges that (a) the Administrative Agent and/or the Joint Lead
Arrangers will make available to the Lenders and the L/C Issuer materials and/or information
provided by or on behalf of such Borrower hereunder (collectively, “Borrower Materials”) by
posting the Borrower Materials on IntraLinks or another similar electronic system (the
“Platform”) and (b) certain of the Lenders may be “public-side” Lenders (i.e., Lenders that
do not wish to receive material non-public information with respect to such Borrower or its
securities) (in this Section, each, a “Public Lender”). Each Borrower hereby agrees that
(w) all Borrower Materials that are to be made available to Public Lenders shall be clearly and
conspicuously marked “PUBLIC” which, at a minimum, shall mean that the word “PUBLIC” shall appear
prominently on the first page thereof; (x) by marking Borrower Materials “PUBLIC,” such Borrower
shall be deemed to have authorized the Administrative Agent, the Joint Lead Arrangers, the L/C
Issuer and the Lenders to treat such Borrower Materials as not containing any material non-public
information with respect to such Borrower or its securities for purposes of United States Federal
and state securities laws or similar Canadian laws (provided, however, that to the extent such
Borrower Materials constitute Information, they shall be treated as set forth in Section
12.09); (y) all Borrower Materials marked “PUBLIC” are permitted to be made available through a
portion of the Platform designated “Public Investor;” and (z) the Administrative Agent and the
Joint Lead Arrangers shall be entitled to treat any Borrower Materials that are not marked “PUBLIC”
as being suitable only for posting on a

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portion of the Platform not designated “Public Investor.” Notwithstanding any provision or
implication herein to the contrary, no Borrower shall be under any obligation to mark any Borrower
Materials “PUBLIC”.

     8.03 Other Information and Inspections. Each Restricted Person will furnish to each Lender
any information which Administrative Agent may from time to time reasonably request concerning any
covenant, provision or condition of the Loan Documents or any matter in connection with such
Persons’ businesses and operations. Each Restricted Person will permit representatives appointed
by Administrative Agent (including independent accountants, auditors, agents, and attorneys) to
visit and inspect upon prior written notice during normal business hours, at the Administrative
Agent’s expense (except during the continuance of an Event of Default), any of such Restricted
Person’s property, including its books of account, other books and records, and any facilities or
other business assets, and to make extra copies therefrom and photocopies and photographs thereof,
and to write down and record any information such representatives obtain, and each Restricted
Person shall permit Administrative Agent or its representatives to investigate and verify the
accuracy of the information furnished to Administrative Agent or any Lender in connection with the
Loan Documents and to discuss all such matters with its officers, employees and representatives.

     8.04 Notice of Material Events. Each Borrower will promptly notify each Lender in writing,
stating that such notice is being given pursuant to this Agreement, of:

     (a) the occurrence of any event which would have a Material Adverse Effect,

     (b) the occurrence of any Default,

     (c) the acceleration of the maturity of any Indebtedness for borrowed money owed by any
Restricted Person having a principal balance of more than US $150,000,000, or of any default by any
Restricted Person under any indenture, mortgage, agreement, contract or other instrument to which
any of them is a party or by which any of them or any of their properties is bound, if such default
would have a Material Adverse Effect,

     (d) the occurrence of any Termination Event which could reasonably be expected to cause (i)
the total amount of withdrawal liability that would be incurred by all ERISA Affiliates upon their
complete withdrawal from all Multiemployer Plans to exceed the Threshold Amount, or (ii) the
aggregate amount of unfunded liabilities with respect to ERISA Plans to exceed the Threshold
Amount,

     (e) any claim that has a reasonable possibility of resulting in liability equal to or greater
than the Threshold Amount, any notice under any Environmental Laws that has a reasonable
possibility of resulting in liability which exceeds such amount, or any other material adverse
claim asserted against any Restricted Person or with respect to any Restricted Person’s properties,

     (f) the filing of any suit or proceeding against any Restricted Person which might reasonably
be expected to have a Material Adverse Effect,

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     (g) any announcement by Moody’s or S&P of any change in the Debt Rating, and

     (h) any change in its Fiscal Year.

     8.05 Maintenance of Properties. Each Restricted Person will maintain, preserve, protect, and
keep all property used or useful in the conduct of its business in good condition, and will from
time to time make all repairs, renewals and replacements needed to enable the business and
operations carried on in connection therewith to be promptly and advantageously conducted at all
times except to the extent failure to do so would not reasonably be expected to have a Material
Adverse Effect.

     8.06 Maintenance of Existence and Qualifications. Subject to Section 9.03 and
Section 9.04, each Restricted Person will maintain and preserve its existence and its
rights and franchises in full force and effect and will qualify to do business in all states or
jurisdictions where the failure so to qualify will have a Material Adverse Effect.

     8.07 Payment of Taxes, etc. Each Restricted Person will timely file all required tax returns;
timely pay all taxes, assessments, and other governmental charges or levies imposed upon it or upon
its income, profits or property; and maintain appropriate accruals and reserves for all of the
foregoing in accordance with GAAP. Each Restricted Person may, however, delay paying or
discharging any of the foregoing so long as (i) it is in good faith contesting the validity thereof
by appropriate proceedings and has set aside on its books adequate reserves therefor, or (ii) the
failure to pay or discharge such tax (or file any return with respect thereto) would not reasonably
be expected to result in a Lien that would violate Section 9.02.

     8.08 Insurance. Each Restricted Person will keep or cause to be kept insured in accordance
with industry standards by financially sound and reputable insurers, its surface equipment and
other property of a character usually insured by similar Persons engaged in the same or similar
businesses.

     8.09 Compliance with Law. Each Restricted Person will conduct its business and affairs in
compliance with all Laws applicable thereto except to the extent failure to do so would not
reasonably be expected to have a Material Adverse Effect.

     8.10 Environmental Matters.

     (a) Each Restricted Person will comply in all material respects with all Environmental Laws
now or hereafter applicable to such Restricted Person, as well as all contractual obligations and
agreements with respect to environmental remediation or other environmental matters, and shall
obtain, at or prior to the time required by applicable Environmental Laws, all environmental,
health and safety permits, licenses and other authorizations necessary for its operations and will
maintain such authorizations in full force and effect, unless such failure to so comply would not
reasonably be expected to have a Material Adverse Effect.

     (b) Each Borrower will promptly furnish to Administrative Agent all written notices of
violation, orders, claims, citations, complaints, penalty assessments, suits or other proceedings
received by such Borrower, or of which it has notice, pending or threatened against any Restricted
Person, by any Governmental Authority with respect to any alleged violation of or

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non-compliance
with any Environmental Laws or any permits, licenses or authorizations in connection with its
ownership or use of its properties or the operation of its business which has a reasonable
possibility of resulting in a liability or claim in excess of the Threshold Amount.

     8.11 Use of Proceeds. Each Borrower shall use the proceeds of the Credit Extensions for general
corporate purposes not in contravention of any Law or of any Loan Document. If proceeds of the
Credit Extensions are used for a purpose which is governed by Reg U, Borrowers shall comply with
Reg U in all respects.

     8.12 Additional Guarantors. At its option, the US Borrower may designate any Domestic
Subsidiary as a Guarantor by giving the Administrative Agent revocable written notice thereof, and
promptly after such notification (and in any event within ten (10) Business Days), cause such
Domestic Subsidiary to (a) become a Guarantor by executing and delivering to the Administrative
Agent a guaranty substantially in the form of the US Guaranty or such other document as the
Administrative Agent shall deem appropriate for such purpose, and (b) deliver to the Administrative
Agent, with respect to such Guarantor, documents of the types referred to in clauses (iii) and (iv)
of Section 6.01(a) and favorable opinions of counsel to such Person (which shall cover,
among other things, the legality, validity, binding effect and enforceability of the documentation
referred to in the preceding clause (a)), all in form, content and scope reasonably satisfactory to
the Administrative Agent.

ARTICLE IX.

NEGATIVE COVENANTS OF BORROWERS

     So long as any Lender shall have any Commitment hereunder, any Loan or interest thereon or any
fee hereunder shall remain unpaid or unsatisfied, or any Letter of Credit or L/C Obligation shall
remain outstanding, the US Borrower shall not, nor shall it permit any Restricted Subsidiary to,
directly or indirectly:

     9.01 Indebtedness. No Restricted Subsidiary will in any manner owe or be liable for
Indebtedness except:

     (a) the Obligations;

     (b) capital lease obligations (excluding oil, gas or mineral leases) entered into in the
ordinary course of such Restricted Subsidiary’s business in arm’s length transactions at
competitive market rates under competitive terms and conditions in all respects, provided that such
capital lease obligations required to be paid in any Fiscal Year do not in the aggregate exceed US
$100,000,000 for all Restricted Subsidiaries;

     (c) unsecured Indebtedness owed among the US Borrower and its Subsidiaries, excluding any
Indebtedness owed by a Restricted Subsidiary to an Unrestricted Subsidiary that has been
transferred, assigned or pledged to a Person other than the US Borrower or a Subsidiary of the US
Borrower; provided that Indebtedness owed by any such Subsidiary (other than Canadian Borrowers) to
the US Borrower may be secured by any and all assets of such Subsidiary;

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     (d) guaranties by one Restricted Subsidiary of liabilities owed by another Restricted Person,
if such liabilities either are not Indebtedness or are allowed under subsections (a), (b) or (c)
of this Section 9.01;

     (e) Indebtedness of the Restricted Subsidiaries for plugging and abandonment bonds or for
letters of credit issued in place thereof which are required by regulatory authorities in the area
of operations, and Indebtedness of the Restricted Subsidiaries for other bonds or letters of credit
which are required by such regulatory authorities with respect to other normal oil and gas
operations;

     (f) non-recourse Indebtedness as to which no Restricted Person provides any guaranty or credit
support of any kind (including any undertaking, guarantee, indemnity, agreement or instrument that
would constitute Indebtedness) or is directly or indirectly liable (as a guarantor or otherwise);
provided, that after giving effect to such Indebtedness outstanding from time to time, the
US Borrower is not in violation of Section 9.07;

     (g) Indebtedness of a Canadian Borrower or Guarantor that is subordinated to the Obligations
of such Canadian Borrower or Guarantor on terms which, in the reasonable opinion of the
Administrative Agent, are customary for such Indebtedness or are otherwise acceptable;

     (h) Acquired Debt;

     (i) Indebtedness under Swap Contracts;

     (j) Indebtedness relating to the surety bond and letter of credit obligations (including
replacements thereof) listed on the Disclosure Schedule and Indebtedness relating to the undrawn
amount of surety bonds and letters of credit (exclusive of the surety bonds and letter of credit
obligations listed on the Disclosure Schedule and replacements thereof) incurred in the ordinary
course of business not to exceed 2% of Consolidated Assets at any time;

     (k) Indebtedness arising under the Devon Trust Securities;

     (l) Indebtedness owed by Devon Financing ULC, including Indebtedness of Devon Financing ULC
with respect to guaranties of Indebtedness of the US Borrower, to the extent the US Borrower is in
compliance with the terms of Section 9.07 at the time such guaranties are executed and delivered,
provided that in each case, the Devon Financing ULC Guaranties remain valid, binding and
enforceable obligations of Devon Financing ULC or, if any Devon Financing ULC Guaranties have been
terminated, replacement guaranty agreements on the same terms are executed by Devon Financing ULC
and delivered to Administrative Agent, pursuant to this Agreement (along with documents with
respect to Devon Financing ULC similar to those specified in clauses (iii) and (iv) of Section
6.01(a));

     (m) Indebtedness outstanding on the Closing Date or thereafter incurred pursuant to funding
commitments in existence on the Closing Date and listed in the Disclosure Schedule, as the same may
be amended, supplemented or modified from time to time or extended, renewed, restructured,
refinanced or replaced, so long as no Restricted Subsidiary increases (except for the purpose of
paying any prepayment premium or any fees and expenses incurred in connection

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with such extension,
renewal, restructuring, refinancing or replacement ) the aggregate principal amount thereof for
which such Restricted Subsidiary (or any other Restricted Subsidiary) is then or may thereafter
become liable;

     (n) Indebtedness of Restricted Subsidiaries that are Guarantors to the extent the US Borrower
is in compliance with the terms of Section 9.07 at the time such Indebtedness is incurred;
and

     (o) miscellaneous items of Indebtedness of all Restricted Subsidiaries not otherwise permitted
in subsections (a) through (n) which do not exceed at any one time an aggregate outstanding amount
equal to the greater of US $800,000,000 and five percent (5%) of Consolidated Net Worth determined
as of the end of the most recent Fiscal Quarter.

     9.02 Limitation on Liens. Except for Permitted Liens, no Restricted Person will create,
assume or permit to exist any Lien upon any of the properties or assets which it now owns or
hereafter acquires.

     9.03 Fundamental Changes. The US Borrower shall not consolidate with or merge or amalgamate with or into any other
Person or convey, transfer or lease its properties and assets substantially as an entirety to any
Person unless:

     (a) (i) in the case of a merger or amalgamation, the US Borrower is the surviving entity; or

     (ii) the Person formed by such consolidation or into which the US Borrower is merged or
the Person which acquires by conveyance or transfer, or which leases, the properties and
assets of the US Borrower substantially as an entirety shall be a corporation, partnership,
limited liability company or trust, shall be organized and existing under the laws of the
United States of America, any state thereof or the District of Columbia, shall have
non-credit enhanced, senior unsecured long-term Indebtedness rated “investment grade” by S&P
or Moody’s (or, in the event the US Borrower did not have non-credit enhanced, senior
unsecured long-term Indebtedness rated “investment grade” by S&P or Moody’s immediately
preceding such transaction, such Person shall have non-credit enhanced, senior unsecured
long-term Indebtedness that is not rated lower by S&P or Moody’s than S&P’s or Moody’s
ratings, respectively, of the US Borrower’s non-credit enhanced, senior unsecured long-term
Indebtedness immediately preceding such transaction), and shall expressly assume, by an
agreement supplemental hereto, executed and delivered to the Administrative Agent, in form
reasonably satisfactory to the Administrative Agent, the obligations of the US Borrower
hereunder, including the due and punctual payment of the principal of and interest on all
the US Loans, the US L/C Obligations, the Canadian Guaranty and the performance of every
covenant of this Agreement on the part of the US Borrower to be performed or observed; and

     (b) immediately after giving effect to such transaction, no Default or Event of Default shall
have occurred and be continuing.

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     9.04 Fundamental Changes of Canadian Borrowers. No Canadian Borrower shall consolidate with
or merge or amalgamate with or into any other Person or convey, transfer or lease its properties
and assets substantially as an entirety to any Person unless:

     (a) (i) in the case of a merger or amalgamation, a Canadian Borrower is the surviving entity;
or

     (ii) all Canadian Obligations of such Canadian Borrower shall have been paid in full
and the obligations of the Canadian Lenders to make Canadian Credit Extensions to such
Canadian Borrower shall have been terminated; or

     (iii) the Person formed by such consolidation or the Person continuing from such merger
or amalgamation of such Canadian Borrower or the Person which acquires by conveyance or
transfer, or which leases, the properties and assets of such Canadian
Borrower substantially as an entirety shall be a corporation, unlimited liability
company, partnership or trust, shall be organized and existing under the laws of Canada or
any province thereof, and shall assume by operation of law or expressly assume, by an
agreement supplemental hereto, executed and delivered to the Administrative Agent, in form
reasonably satisfactory to the Administrative Agent, the Canadian Obligations of such
Canadian Borrower, including the due and punctual payment of the principal of and interest
on all of the Canadian Loans and all Canadian LC Obligations and the performance of every
covenant of this Agreement on the part of such Canadian Borrower to be performed or observed
and the US Borrower shall confirm that its Canadian Guaranty covers such obligations; and

     (b) immediately after giving effect to such transaction, no Default or Event of Default shall
have occurred and be continuing.

     9.05 Transactions with Affiliates. No Restricted Person will engage in any material
transaction with any of its Affiliates on terms which are less favorable in any material respect to
it than those which would have been obtainable at the time in arm’s-length dealing with Persons
other than such Affiliates, provided that such restriction shall not apply to transactions among
the US Borrower and its Subsidiaries (including such transactions among such Subsidiaries).

     9.06 Prohibited Contracts. Except as expressly provided for in the Loan Documents, the Santa
Fe Snyder Indentures, and documents and instruments evidencing or governing Indebtedness (or
commitments with respect thereto) listed on Schedule 9.01 or Acquired Debt, no Restricted Person
will, directly or indirectly, enter into any Contractual Obligation (other than this Agreement or
any other Loan Document) that limits the ability of any Subsidiary to make Restricted Payments to
such Borrower or otherwise to transfer property to such Borrower, other than any limitation which
would not be reasonably expected to materially impair the ability of such Borrower to perform its
monetary obligations hereunder.

     9.07 Funded Debt to Total Capitalization. The ratio of the US Borrower’s Consolidated Total
Funded Debt to the US Borrower’s Total Capitalization will not exceed sixty-five percent (65%) at
the end of any Fiscal Quarter.

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     9.08 Devon Trust; Devon Trust Securities. Devon Trust is a Restricted Person and shall exist
for the exclusive purposes of issuing the Devon Trust Securities, investing the gross proceeds of
the Devon Trust Securities in the Subordinated US Borrower Debentures and engaging in only those
other activities necessary or incidental thereto. The US Borrower shall exercise its option to
defer interest payments on the Subordinated US Borrower Debentures rather than default on such
interest payments. Devon Trust shall not redeem the Devon Trust Securities prior to their stated
maturity, and the US Borrower shall not prepay or redeem the Subordinated the US Borrower
Debentures prior to their stated maturity, unless both immediately before and immediately after any
such proposed
prepayment or redemption, the US Borrower is in compliance with Section 9.07 and no
Default or Event of Default under Section 10.01(a), (f) or (h) is
continuing.

ARTICLE X.

EVENTS OF DEFAULT AND REMEDIES

     10.01 Events of Default. Each of the following events constitutes an Event of Default under
this Agreement:

     (a) Any Borrower or any Guarantor fails to pay any principal component of any Obligation
payable by it when due and payable or fails to pay any interest thereon or fee payable by it within
three (3) Business Days after the date when due and payable or fails to pay any other Obligation
within ten (10) Business Days after the date when due and payable, whether at a date for the
payment of a fixed installment or as a contingent or other payment becomes due and payable or as a
result of acceleration or otherwise;

     (b) Any “default” or “event of default” occurs under any Loan Document which defines either
such term, and the same is not remedied within the applicable period of grace (if any) provided in
such Loan Document;

     (c) Any Restricted Person fails (other than as referred to in subsections (a) or (b) above) to
(i) duly comply with Section 8.11 of this Agreement or (ii) duly observe, perform or comply
with any other covenant, agreement, condition or provision of any Loan Document, and such failure
remains unremedied for a period of thirty (30) days after notice of such failure is given by
Administrative Agent to the US Borrower;

     (d) Any representation or warranty previously, presently or hereafter made in writing by or on
behalf of any Restricted Person (i) in any Loan Document, any Request for Credit Extension or the
most recent Compliance Certificate delivered to Administrative Agent, or (ii) in any other document
furnished at any time under or in connection herewith or therewith that specifically states therein
that such representations and warranties are being made for the benefit of the Lenders and the
Administrative Agent, shall (in the case of any representation or warranty described in clause (i)
or (ii) immediately preceding) prove to have been false or incorrect in any material respect on any
date on or as of which made, provided that if such falsity or lack of correctness is capable of
being remedied or cured within a 30-day period, the US Borrower shall (subject to the other
provisions of this Section 10.01) have a period of 30 days after written notice thereof has
been given to the US Borrower by Administrative Agent within which to

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remedy or cure such falsity
or lack of correctness; or this Agreement, any Note, or Guaranty executed by any Guarantor is
asserted to be or at any time ceases to be valid, binding and enforceable in any material respect
as warranted in Section 7.05 for any reason other than its release or subordination by
Administrative Agent;

     (e) Any Restricted Person (i) fails to duly pay any Indebtedness in excess of US $150,000,000
constituting principal or interest owed by it with respect to borrowed money or money otherwise
owed under any note, bond, or similar instrument, or (ii) breaches or defaults in
the performance of any agreement or instrument by which any such Indebtedness is issued,
evidenced, governed, or secured, other than a breach or default described in clause (i) above, and
any such failure, breach or default under this clause (ii) results in the acceleration of such
Indebtedness; provided that notwithstanding any provision of this subsection (e) to the contrary,
to the extent that the terms of any such agreement or instrument governing the sale, pledge or
disposal of Margin Stock or utilization of the proceeds of such Indebtedness in connection
therewith would result in such acceleration and in a Default or an Event of Default under this
Agreement, and would cause this Agreement or any US Loan to be subject to the margin requirements
or any other restriction under Reg U, then such acceleration shall not constitute a Default or
Event of Default under this subsection (e);

     (f) Either of the following occurs: (i) a Termination Event occurs and the total amount of
withdrawal liability that would be incurred by all ERISA Affiliates upon their complete withdrawal
from all Multiemployer Plans would reasonably be expected to exceed the Threshold Amount, or (ii) a
Termination Event occurs and the total present value of all unfunded benefit liabilities within the
meaning of Title IV of ERISA of all ERISA Plans (based upon the actuarial assumptions used to fund
each such Plan) would reasonably be expected to exceed the Threshold Amount;

     (g) Any Change of Control occurs;

     (h) Any Borrower, any Guarantor or any other Restricted Person having assets with a book value
equal to or greater than the Threshold Amount:

     (i) institutes or consents to the institution of any proceeding under any Debtor Relief
Law, or makes an assignment for the benefit of creditors; or applies for or consents to the
appointment of any receiver, trustee, custodian, conservator, liquidator, rehabilitator or
similar officer for it or for all or any material part of its property; or any receiver,
trustee, custodian, conservator, liquidator, rehabilitator or similar officer is appointed
without the application or consent of such Person and the appointment continues undischarged
or unstayed for 60 calendar days; or any proceeding under any Debtor Relief Law relating to
any such Person or to all or any material part of its property having a book value equal to
or greater than the Threshold Amount is instituted without the consent of such Person and
continues undismissed or unstayed for 60 calendar days, or an order for relief is entered in
any such proceeding; or

     (ii) becomes unable or admits in writing its inability or fails generally to pay its
debts as they become due; or

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     (iii) suffers a writ or warrant of attachment or similar process to be issued by any
Governmental Authority against all or any part of its property having a book value equal to
or greater than the Threshold Amount, and such writ or warrant of attachment or any similar
process is not stayed or released within 30 days after the entry or levy thereof or after
any stay is vacated or set aside; or

     (iv) there is entered against any such Person a final judgment or order for the payment
of money in an aggregate amount that exceeds (x) the valid and collectible insurance in
respect thereof or (y) the amount of an indemnity with respect thereto reasonably acceptable
to the Required Lenders by the Threshold Amount or more, unless the same is discharged
within thirty days after the date of entry thereof or an appeal or appropriate proceeding
for review thereof is taken within such period and a stay of execution pending such appeal
is obtained.

     10.02 Remedies Upon Event of Default. If any Event of Default occurs and is continuing, the
Administrative Agent shall, at the request of, or may, with the consent of, the Required Lenders,
take any or all of the following actions:

     (a) declare the commitment of each Lender to make Loans or accept Bankers’ Acceptances and any
obligation of the L/C Issuer to make L/C Credit Extensions to be terminated, whereupon such
commitments and obligation shall be terminated;

     (b) declare the unpaid principal amount of all outstanding Loans, all interest accrued and
unpaid thereon, and all other amounts owing or payable hereunder or under any other Loan Document
to be immediately due and payable, without presentment, demand, protest or other notice of any
kind, all of which are hereby expressly waived by each Borrower;

     (c) require that the applicable Borrower Cash Collateralize the L/C Obligations and Bankers’
Acceptances issued or owing by it (in an amount equal to the then Outstanding Amount thereof); and

     (d) exercise on behalf of itself and the Lenders all rights and remedies available to it and
the Lenders under the Loan Documents or applicable Law;

provided however, that upon the occurrence of an actual or deemed entry of an order
for relief with respect to the US Borrower under the Bankruptcy Code of the United States, the
obligation of each Lender to make Loans or accept Bankers’ Acceptances and any obligation of the
L/C Issuer to make L/C Credit Extensions shall automatically terminate, the unpaid principal amount
of all outstanding Loans and all interest and other amounts as aforesaid shall automatically become
due and payable, and the obligation of the applicable Borrower to Cash Collateralize the L/C
Obligations and Bankers’ Acceptances issued or owing by it as aforesaid shall automatically become
effective, in each case without further act of the Administrative Agent or any Lender; and
provided further that upon the occurrence of an actual or deemed entry of an order
for relief with respect to any Canadian Borrower under the applicable Debtor Relief Laws, the
obligation of each Canadian Lender to make Canadian Loans or accept Bankers’ Acceptances and any
obligation of the Canadian L/C Issuer to make Canadian L/C Credit Extensions to such Canadian

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Borrower shall automatically terminate, the unpaid principal amount of all outstanding Canadian
Borrowings and all interest and other amounts as aforesaid shall automatically become due and
payable, and the obligation of such Canadian Borrower to Cash Collateralize the Canadian L/C
Obligations and Bankers’ Acceptances issued or owing by it as aforesaid shall automatically
become effective, in each case without further act of the Administrative Agent or any Canadian
Lender.

     10.03 Application of Funds Received from the Canadian Borrowers. After the exercise of remedies
provided for in Section 10.02 (or after the Loans have automatically become immediately due
and payable and the Canadian L/C Obligations and Bankers’ Acceptances have automatically been
required to be Cash Collateralized as set forth in the proviso to Section 10.02), any
amounts received on account of the Canadian Obligations shall be applied by the Administrative
Agent in the following order:

     First, to payment of that portion of the Canadian Obligations constituting fees,
indemnities, expenses and other amounts (including Attorney Costs and amounts payable under
Article V) payable to the Administrative Agent in its capacity as such;

     Second, to payment of that portion of the Canadian Obligations constituting fees,
indemnities and other amounts (other than principal and interest) payable to the Canadian Lenders
(including Attorney Costs and amounts payable under Article V), ratably among them in
proportion to the amounts described in this clause Second payable to them;

     Third, to payment of that portion of the Canadian Obligations constituting accrued and
unpaid interest on the Canadian Loans and Canadian L/C Borrowings, ratably among the Canadian
Lenders in proportion to the respective amounts described in this clause Third payable to
them;

     Fourth, to payment of that portion of the Canadian Obligations constituting unpaid
principal of the Canadian Loans and Canadian L/C Borrowings, ratably among the Canadian Lenders in
proportion to the respective amounts described in this clause Fourth held by them;

     Fifth, to the Administrative Agent for the Account of the Canadian Lenders to Cash
Collateralize the outstanding Bankers’ Acceptances; and

     Sixth, to the Administrative Agent for the account of the Canadian L/C Issuer, to Cash
Collateralize that portion of Canadian L/C Obligations comprised of the aggregate undrawn amount of
Canadian Letters of Credit;

     Last, the balance, if any, after all of the Canadian Obligations have been paid in
full, to the Canadian Borrowers or as otherwise required by Law.

Subject to Section 2.04(c), amounts used to Cash Collateralize the aggregate undrawn amount
of Canadian Letters of Credit and the outstanding Bankers’ Acceptances pursuant to clause
Fifth and Sixth above shall be applied to satisfy drawings under such Canadian
Letters of Credit as they occur. If any amount remains on deposit as Cash Collateral after all
Canadian Letters of

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Credit and Bankers’ Acceptances have been paid, fully drawn or expired, such
remaining amount shall be applied to the other Canadian Obligations, if any, in the order set forth
above.

     10.04 Application of Funds Received from the US Borrower. After the exercise of remedies provided for in Section 10.02 (or after the Loans have
automatically become immediately due and payable and the US L/C Obligations have automatically been
required to be Cash Collateralized as set forth in the proviso to Section 10.02), any
amounts received on account of the US Obligations and on account of the Canadian Obligations under
the US Borrower Guaranty shall be applied by the Administrative Agent in the following order:

     First, to payment of that portion of the US Obligations constituting fees,
indemnities, expenses and other amounts (including Attorney Costs and amounts payable under
Article V) payable to the Administrative Agent in its capacity as such;

     Second, to payment of that portion of the US Obligations constituting fees,
indemnities and other amounts (other than principal and interest) payable to the Lenders (including
Attorney Costs and amounts payable under Article V), ratably among them in proportion to
the amounts described in this clause Second payable to them;

     Third, to payment of that portion of the US Obligations constituting accrued and
unpaid interest on the US Loans and US L/C Borrowings, ratably among the Lenders in proportion to
the respective amounts described in this clause Third payable to them;

     Fourth, to payment of that portion of the US Obligations constituting unpaid principal
of the US Loans and US L/C Borrowings, ratably among the Lenders in proportion to the respective
amounts described in this clause Fourth held by them;

     Fifth, to the Administrative Agent for the account of the US L/C Issuer, to Cash
Collateralize that portion of US L/C Obligations comprised of the aggregate undrawn amount of
Letters of Credit;

Sixth, to amounts payable under the US Borrower Guaranty in accordance with Section 10.02; and

     Last, the balance, if any, after all of the US Obligations and all obligations of the
US Borrower under the US Borrower Guaranty have been paid in full, to the US Borrower or as
otherwise required by Law.

Subject to Section 2.04(c), amounts used to Cash Collateralize the aggregate undrawn amount
of Letters of Credit pursuant to clause Fifth above shall be applied to satisfy drawings
under such US Letters of Credit as they occur. If any amount remains on deposit as Cash Collateral
after all US Letters of Credit have either been fully drawn or expired, such remaining amount shall
be applied to the other US Obligations, if any, in the order set forth above.

     10.05 Application of Funds Received under ULC Guaranty. All amounts received by the Administrative
Agent or any Lender under the ULC Guaranty shall be applied to the

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Obligations owing to each Lender
in accordance with such Lender’s Pro Rata Share in the order provided in Section 10.03 or
Section 10.04, as applicable.

     10.06 Separate Obligations. Except as expressly set forth in Sections 4.02 and
12.06, (i) all obligations of Northstar Energy and Devon Canada under this Agreement and
the other Loan Documents are separate and individual obligations of Northstar Energy and Devon
Canada, respectively, and (ii) Northstar Energy shall not have any liabilities in respect of
Canadian Borrowings made by the Canadian Lenders to Devon Canada or Canadian Letters of Credit
issued for the account of Devon Canada nor shall Devon Canada have any liabilities in respect of
Canadian Borrowings made by the Canadian Lenders to Northstar Energy or Canadian Letters of Credit
issued for the account of Northstar Energy. Notwithstanding anything contained herein, Northstar
Energy shall not have any liability to pay any assessments, fees or costs, or otherwise provide
financial assistance, relating to Canadian Borrowings made to Devon Canada or any other obligations
of Devon Canada or relating to US Borrowings made to the US Borrower or any other Obligations of US
Borrower.

ARTICLE XI.

ADMINISTRATIVE AGENT

     11.01 Appointment and Authorization of Administrative Agent.

     (a) Each Lender hereby irrevocably appoints, designates and authorizes the Administrative
Agent to take such action on its behalf under the provisions of this Agreement and each other Loan
Document and to exercise such powers and perform such duties as are expressly delegated to it by
the terms of this Agreement or any other Loan Document, together with such powers as are reasonably
incidental thereto. Notwithstanding any provision to the contrary contained elsewhere herein or in
any other Loan Document, the Administrative Agent shall not have any duties or responsibilities,
except those expressly set forth herein, nor shall the Administrative Agent have or be deemed to
have any fiduciary relationship with any Lender or participant, and no implied covenants,
functions, responsibilities, duties, obligations or liabilities shall be read into this Agreement
or any other Loan Document or otherwise exist against the Administrative Agent. Without limiting
the generality of the foregoing sentence, the use of the term “agent” herein and in the other Loan
Documents with reference to the Administrative Agent is not intended to connote any fiduciary or
other implied (or express) obligations arising under agency doctrine of any applicable Law.
Instead, such term is used merely as a matter of market custom, and is intended to create or
reflect only an administrative relationship between independent contracting parties.

     (b) The applicable L/C Issuer shall act on behalf of the Lenders with respect to any Letters
of Credit issued by it and the documents associated therewith, and such L/C Issuer shall have all
of the benefits and immunities (i) provided to the Administrative Agent in this Article XI
with respect to any acts taken or omissions suffered by such L/C Issuer in connection with Letters
of Credit issued by it or proposed to be issued by it and the applications and agreements for
letters of credit pertaining to such Letters of Credit as fully as if the term “Administrative
Agent” as used in this Article XI and in the definition of “Agent-Related Person”
included such

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L/C Issuer with respect to such acts or omissions, and (ii) as additionally provided
herein with respect to any L/C Issuer.

     11.02 Delegation of Duties. The Administrative Agent may execute any of its duties under this
Agreement or any other Loan Document by or through agents, employees or attorneys-in-fact,
including without limitation the execution by Administrative Agent of duties relating to the
Canadian SubFacility and shall be entitled to advice of counsel and other consultants or experts
concerning all matters pertaining to such duties. The Administrative Agent shall not be
responsible for the negligence or misconduct of any agent or attorney-in-fact that it selects in
the absence of gross negligence or willful misconduct, including but not limited to those used in
connection with the Canadian SubFacility.

     11.03 Liability of Administrative Agent. No Agent-Related Person shall (a) be liable for any
action taken or omitted to be taken by any of them under or in connection with this Agreement or
any other Loan Document or the transactions contemplated hereby (except for its own gross
negligence or willful misconduct in connection with its duties expressly set forth herein), or (b)
be responsible in any manner to any Lender or participant for any recital, statement,
representation or warranty made by any Loan Party or any officer thereof, contained herein or in
any other Loan Document, or in any certificate, report, statement or other document referred to or
provided for in, or received by the Administrative Agent under or in connection with, this
Agreement or any other Loan Document, or the validity, effectiveness, genuineness, enforceability
or sufficiency of this Agreement or any other Loan Document, or for any failure of any Loan Party
or any other party to any Loan Document to perform its obligations hereunder or thereunder. No
Agent-Related Person shall be under any obligation to any Lender or participant to ascertain or to
inquire as to the observance or performance of any of the agreements contained in, or conditions
of, this Agreement or any other Loan Document, or to inspect the properties, books or records of
any Loan Party or any Affiliate thereof.

     11.04 Reliance by Administrative Agent.

     (a) The Administrative Agent shall be entitled to rely, and shall be fully protected in
relying, upon any writing, communication, signature, resolution, representation, notice, consent,
certificate, affidavit, letter, telegram, facsimile, telex or telephone message, electronic mail
message, statement or other document or conversation believed by it to be genuine and correct and
to have been signed, sent or made by the proper Person or Persons, and upon advice and statements
of legal counsel (including counsel to any Loan Party), independent accountants and other experts
selected by the Administrative Agent. The Administrative Agent shall be fully justified in failing
or refusing to take any action under any Loan Document unless it shall first receive such advice or
concurrence of the Required Lenders as it deems appropriate and, if it so
requests, it shall first be indemnified to its satisfaction by the Lenders against any and all
liability and expense which may be incurred by it by reason of taking or continuing to take any
such action. The Administrative Agent shall in all cases be fully protected in acting, or in
refraining from acting, under this Agreement or any other Loan Document in accordance with a
request or consent of the Required Lenders (or such greater number of Lenders as may be expressly
required hereby in any instance) and such request and any action taken or failure to act pursuant
thereto shall be binding upon all the Lenders.

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     (b) For purposes of determining compliance with the conditions specified in Section
6.01, each Lender that has signed this Agreement shall be deemed to have consented to, approved
or accepted or to be satisfied with, each document or other matter required thereunder to be
consented to or approved by or acceptable or satisfactory to a Lender unless the Administrative
Agent shall have received notice from such Lender prior to the proposed Effective Date specifying
its objection thereto.

     11.05 Notice of Default. The Administrative Agent shall not be deemed to have knowledge or notice
of the occurrence of any Default, except with respect to defaults in the payment of principal,
interest and fees required to be paid to the Administrative Agent for the account of the Lenders,
unless the Administrative Agent shall have received written notice from a Lender or a Borrower
referring to this Agreement, describing such Default and stating that such notice is a “notice of
default.” The Administrative Agent will notify the Lenders of its receipt of any such notice. The
Administrative Agent shall take such action with respect to such Default as may be directed by the
Required Lenders in accordance with Section 10.02; provided, however, that
unless and until the Administrative Agent has received any such direction, the Administrative Agent
may (but shall not be obligated to) take such action, or refrain from taking such action, with
respect to such Default as it shall deem advisable or in the best interest of the Lenders.

     11.06 Credit Decision; Disclosure of Information by Administrative Agent. Each Lender acknowledges
that no Agent-Related Person has made any representation or warranty to it, and that no act by the
Administrative Agent hereafter taken, including any consent to and acceptance of any assignment or
review of the affairs of any Loan Party or any Affiliate thereof, shall be deemed to constitute any
representation or warranty by any Agent-Related Person to any Lender as to any matter, including
whether Agent-Related Persons have disclosed material information in their possession. Each Lender
represents to the Administrative Agent that it has, independently and without reliance upon any
Agent-Related Person and based on such documents and information as it has deemed appropriate, made
its own appraisal of and investigation into the business, prospects, operations, property,
financial and other condition and creditworthiness of the Loan Parties and their respective
Subsidiaries, and all applicable bank or other regulatory Laws relating to the transactions
contemplated hereby, and made its own decision to enter into this Agreement and to extend credit to
the applicable Borrowers hereunder. Each Lender also represents that it will, independently and
without reliance upon any Agent-Related Person and based on such documents and information as it
shall deem appropriate at the time, continue to make its own credit analysis, appraisals and
decisions in taking or not
taking action under this Agreement and the other Loan Documents, and to make such investigations as
it deems necessary to inform itself as to the business, prospects, operations, property, financial
and other condition and creditworthiness of the Borrowers. Except for notices, reports and other
documents expressly required to be furnished to the Lenders by the Administrative Agent herein, the
Administrative Agent shall not have any duty or responsibility to provide any Lender with any
credit or other information concerning the business, prospects, operations, property, financial and
other condition or creditworthiness of any of the Loan Parties or any of their respective
Affiliates which may come into the possession of any Agent-Related Person.

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     11.07 Indemnification of Administrative Agent. Whether or not the transactions contemplated hereby
are consummated, the Lenders shall indemnify upon demand each Agent-Related Person (to the extent
not reimbursed by or on behalf of any Loan Party and without limiting the obligation of any Loan
Party to do so), pro rata, and hold harmless each Agent-Related Person from and against any and all
Indemnified Liabilities incurred by it, provided, however, that no Lender shall be
liable for the payment to any Agent-Related Person of any portion of such Indemnified Liabilities
to the extent determined in a final, nonappealable judgment by a court of competent jurisdiction to
have resulted from such Agent-Related Person’s own gross negligence or willful misconduct;
provided, however, that no action taken in accordance with the directions of the
Required Lenders or all the Lenders, if applicable, shall be deemed to constitute gross negligence
or willful misconduct for purposes of this Section. Without limitation of the foregoing, each
Lender shall reimburse the Administrative Agent upon demand for its ratable share of any costs or
out-of-pocket expenses (including Attorney Costs) incurred by the Administrative Agent in
connection with the preparation, execution, delivery, administration, modification, amendment or
enforcement (whether through negotiations, legal proceedings or otherwise) of, or legal advice in
respect of rights or responsibilities under, this Agreement, any other Loan Document, or any
document contemplated by or referred to herein, to the extent that the Administrative Agent is not
reimbursed for such expenses by or on behalf of the Borrowers. The undertaking in this Section
shall survive termination of the Aggregate Commitments, the payment of all other Obligations and
the resignation of the Administrative Agent.

     11.08 Bank of America in its Individual Capacity. Bank of America (acting through its Canadian
branch or otherwise) and its Affiliates may make loans to, issue letters of credit for the account
of, accept deposits from, acquire equity interests in and generally engage in any kind of banking,
trust, financial advisory, underwriting or other business with each of the Loan Parties and their
respective Affiliates as though Bank of America (acting through its Canadian branch or otherwise)
were not the Administrative Agent or L/C Issuer hereunder and without notice to or consent of the
Lenders. The Lenders acknowledge that, pursuant to such activities, Bank of America or its
Affiliates may receive information regarding any Loan Party or its Affiliates (including
information that may be subject to confidentiality obligations in favor of such Loan Party or such
Affiliate) and acknowledge that the Administrative Agent shall be under no obligation to provide
such information to them. With respect to its Loans, Bank of America (acting through its Canadian
branch or otherwise) shall
have the same rights and powers under this Agreement as any other Lender and may exercise such
rights and powers as though it were not the Administrative Agent or L/C Issuer, and the terms
“Lender,” “Lenders,” “Canadian Lender,” and “Canadian Lenders” include Bank of America in its
individual capacity.

     11.09 Successor Administrative Agent. The Administrative Agent may resign as Administrative Agent
upon 30 days’ notice to the Lenders and the Borrowers; provided that any such resignation by Bank
of America shall also constitute its resignation as US Swing Line Lender and Canadian Swing Line
Lender, and, so long as one or more financial institutions reasonably acceptable to the Borrowers
have accepted their appointment as a successor US L/C Issuer and Canadian L/C Issuer, as US L/C
Issuer and Canadian L/C Issuer with respect to Letters of Credit requested by the applicable
Borrower to be issued on or after the effective date of such resignation. If the Administrative
Agent resigns under this Agreement, (a) the Required

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Lenders shall appoint from among the Lenders
(that are also Canadian Lenders) a successor administrative agent (the “successor Administrative
Agent”) for the Lenders, which successor Administrative Agent shall be consented to by the US
Borrower at all times other than during the existence of an Event of Default (which consent of the
US Borrower shall not be unreasonably withheld or delayed). If no successor Administrative Agent
is appointed, prior to the effective date of the resignation of the Administrative Agent, the
Administrative Agent may appoint, after consulting with the Lenders and the US Borrower, a
successor Administrative Agent from among the Lenders (that are also Canadian Lenders). Upon the
acceptance of its appointment as successor Administrative Agent hereunder, the Persons acting as
such successor Administrative Agent shall succeed to all the respective rights, powers and duties
of the retiring Administrative Agent, US L/C Issuer, Canadian L/C Issuer, US Swing Line Lender and
Canadian Swing Line Lender and the respective terms “Administrative Agent,” “US L/C Issuer,”
“Canadian L/C Issuer,” “US Swing Line Lender,” and “Canadian Swing Line Lender,” shall mean such
successor Administrative Agent, US L/C Issuer, Canadian L/C Issuer, US Swing Line Lender and
Canadian Swing Line Lender, as applicable, the retiring Administrative Agent’s appointment, powers
and duties as Administrative Agent shall be terminated, and the retiring US L/C Issuer’s, Canadian
L/C Issuer’s, US Swing Line Lender’s and Canadian Swing Line Lender’s rights, powers and duties as
such shall be terminated, except with respect to Letters of Credit issued by it as US L/C Issuer or
Canadian L/C Issuer prior to the effective date of its resignation. All of the provisions of this
Agreement that apply to such Letters of Credit shall continue in full force and effect, without any
other or further act or deed on the part of such retiring L/C Issuer or such Swing Line Lender or
any other Lender. The successor L/C Issuers may issue letters of credit in substitution for the
Letters of Credit issued by Bank of America in its capacity as L/C Issuer, if any, outstanding at
the time of such succession. After any retiring Administrative Agent’s resignation hereunder as
Administrative Agent, the provisions of this Article XI and Sections 12.04 and
12.05 shall inure to its benefit as to any actions taken or omitted to be taken by it while
it was Administrative Agent under this Agreement. If no successor Administrative Agent has
accepted appointment as Administrative Agent by the date which is 30 days following a retiring
Administrative Agent’s notice of resignation, the retiring Administrative Agent’s resignation shall
nevertheless thereupon become effective and the Lenders shall perform all of the duties of the
Administrative Agent hereunder
until such time, if any, as the Required Lenders appoint a successor Administrative Agent as
provided for above.

     11.10 Administrative Agent May File Proofs of Claim. In case of the pendency of any receivership,
insolvency, liquidation, bankruptcy, reorganization, arrangement, adjustment, composition or other
judicial proceeding relative to any Loan Party, the Administrative Agent (irrespective of whether
the principal of any Loan or L/C Obligation shall then be due and payable as herein expressed or by
declaration or otherwise and irrespective of whether the Administrative Agent shall have made any
demand on the applicable Borrower) shall be entitled and empowered, by intervention in such
proceeding or otherwise

     (a) to file and prove a claim for the whole amount of the principal and interest owing and
unpaid in respect of the Loans, L/C Obligations and all other Obligations that are owing and unpaid
and to file such other documents as may be necessary or advisable in order to have the claims of
the Lenders and the Administrative Agent (including any claim for the reasonable compensation,
expenses, disbursements and advances of the Lenders and the Administrative

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Agent and their
respective agents and counsel and all other amounts due the Lenders and the Administrative Agent
under Sections 2.04(i) and (j), 4.02 and 12.04) allowed in such
judicial proceeding; and

     (b) to collect and receive any monies or other property payable or deliverable on any such
claims and to distribute the same;

and any custodian, receiver, assignee, trustee, liquidator, sequestrator or other similar official
in any such judicial proceeding is hereby authorized by each Lender to make such payments to the
Administrative Agent and, in the event that the Administrative Agent shall consent to the making of
such payments directly to the Lenders, to pay to the Administrative Agent any amount due for the
reasonable compensation, expenses, disbursements and advances of the Administrative Agent and its
agents and counsel, and any other amounts due the Administrative Agent under Sections 4.02
and 12.04.

Nothing contained herein shall be deemed to authorize the Administrative Agent to authorize or
consent to or accept or adopt on behalf of any Lender any plan of reorganization, arrangement,
adjustment or composition affecting the Obligations or the rights of any Lender or to authorize the
Administrative Agent to vote in respect of the claim of any Lender in any such proceeding.

     11.11 Guaranty Matters. The Lenders irrevocably authorize the Administrative Agent, at its option
and in its discretion, to release any Guarantor, other than US Borrower, from its obligations under
the Guaranty if such Person ceases to be a Subsidiary as a result of a transaction permitted
hereunder. Upon request by the Administrative Agent at any time, (a) the US Required Lenders will
confirm in writing the Administrative Agent’s authority to release any US Guarantor, and (b) the
Canadian Required Lenders will confirm in writing Administrative Agent’s authority to release any
Canadian Guarantor (other than US Borrower), from its obligations under the applicable Guaranty
pursuant to this Section 11.11.

     11.12 Arrangers and Managers. None of the Persons identified on the cover page or signature pages
of this Agreement as a “book manager” or “joint lead arranger” shall have any right, power,
obligation, liability, responsibility or duty under this Agreement other than, in the case of any
such Person that is also a Lender or a Canadian Lender, those applicable to all Lenders or Canadian
Lenders, respectively, as such. Without limiting the foregoing, none of the Persons so identified
shall have or be deemed to have any fiduciary relationship with any Lender. Each Lender
acknowledges that it has not relied, and will not rely, on any of the Persons so identified in
deciding to enter into this Agreement or in taking or not taking action hereunder.

ARTICLE XII.

MISCELLANEOUS

     12.01 Amendments, Etc. No amendment or waiver of any provision of this Agreement or any other Loan
Document (other than the Fee Letters and the Issuer Documents), and no consent to any departure by
any Borrower or any other Loan Party therefrom, shall be effective unless in writing signed by the
Required Lenders and the Borrowers and acknowledged by the

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Administrative Agent; provided that with
respect to Article III of this Agreement and the definitions in Section 1.01 relating only
to Article III, by the Required Canadian Lenders. Each such waiver or consent shall be effective
only in the specific instance and for the specific purpose for which given; provided,
however, that no such amendment, waiver or consent shall:

     (a) waive any condition set forth in Section 6.01(a) without the written consent of
each Lender directly affected thereby;

     (b) extend or increase the Aggregate Commitment or the Aggregate Canadian Commitment of any
Lender (or reinstate any Commitment terminated pursuant to Section 10.02) without the
written consent of such Lender;

     (c) postpone any date fixed by this Agreement or any other Loan Document for any payment or
mandatory prepayment of principal, interest or fees due to the Lenders (or any of them) or any
scheduled or mandatory reduction of the Aggregate Commitments hereunder or under any other Loan
Document without the written consent of each Lender directly affected thereby;

     (d) reduce the principal of, or the rate of interest specified herein on, any Loan or L/C
Borrowing, or (subject to clause (iv) of the second proviso to this Section 12.01) any fees
payable hereunder or under any other Loan Document without the written consent of each Lender
directly affected thereby; provided, however, that only the consent of the Required
Lenders shall be necessary (i) to waive or amend any obligation of any Borrower to pay interest
at the rate provided herein for past due Obligations, or (ii) to amend any financial covenant
hereunder (or any defined term used therein);

     (e) change Section 4.06, Section 10.03, Section 10.04  or Section
10.05 in a manner that would alter the pro rata sharing of payments required thereby without
the written consent of each Lender;

     (f) change any provision of this Section or the definition of “Required Lenders” or “Canadian
Required Lenders” or “US Required Lenders” or any other provision hereof specifying the number or
percentage of Lenders required to amend, waive or otherwise modify any rights hereunder or make any
determination or grant any consent hereunder, without the written consent of each Lender, or in the
case of the definition of “Canadian Required Lenders”, all Canadian Lenders;

     (g) release Devon Financing ULC from its Guaranty without the written consent of each Lender,
unless expressly permitted by the Loan Documents; or

     (h) release the US Borrower from the Canadian Guaranty without the written consent of each
Canadian Lender;

and, provided further, that (i) no amendment, waiver or consent shall, unless in
writing and signed by the applicable L/C Issuer in addition to the Lenders required above, affect
the rights or duties of any L/C Issuer under this Agreement or any Letter of Credit Application
relating to any Letter of Credit issued or to be issued by it; (ii) no amendment, waiver or consent
shall, unless in

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writing and signed by the US Swing Line Lender or Canadian Swing Line Lender in
addition to the Lenders required above, affect the rights or duties of the US Swing Line Lender or
Canadian Swing Line Lender, as applicable, under this Agreement; (iii) no amendment, waiver or
consent shall, unless in writing and signed by the Administrative Agent in addition to the Lenders
required above, affect the rights or duties of the Administrative Agent under this Agreement or any
other Loan Document; and (iv) the Fee Letter may be amended, or rights or privileges thereunder
waived, in a writing executed only by the parties thereto. Notwithstanding anything to the
contrary herein, no Defaulting Lender shall have any right to approve or disapprove any amendment,
waiver or consent hereunder, except that the Commitment of such Lender may not be increased or
extended without the consent of such Lender.

     12.02 Notices and Other Communications; Facsimile Copies.

     (a) General. Unless otherwise expressly provided herein, all notices and other
communications provided for hereunder shall be in writing (including by facsimile transmission).
All such written notices shall be mailed certified or registered mail, faxed or delivered to the
applicable address, facsimile number or (subject to subsection (c) below) electronic mail address,
and all notices and other communications expressly permitted hereunder to be given by telephone
shall be made to the applicable telephone number, as follows:

     (i) if to any Borrower, Administrative Agent, L/C Issuer, US Swing Line Lender, or
Canadian Swing Line Lender, to the address, facsimile number, electronic mail address or
telephone number specified for such Person on Schedule 12.02 or to such other
address, facsimile number, electronic mail address or telephone number as shall be
designated by such party in a notice to the other parties; and

     (ii) if to any other Lender, to the address, facsimile number, electronic mail address
or telephone number specified in its Administrative Questionnaire or to such other address,
facsimile number, electronic mail address or telephone number as shall be designated by such
party in a notice to the Borrowers, the Administrative Agent, L/C Issuer, US Swing Line
Lender, and Canadian Swing Line Lender.

Notices sent by hand or overnight courier service, or mailed by certified or registered mail, shall
be deemed to have been given when received; notices sent by facsimile shall be deemed to have been
given when sent (except that, if not given during normal business hours for the recipient, shall be
deemed to have been given at the opening of business on the next business day for the recipient).
Notices delivered through electronic communications to the extent provided in subsection (b) below,
shall be effective as provided in such subsection (b).

     (b) Electronic Communications. Notices and other communications to the Lenders
hereunder may be delivered or furnished by electronic communication (including e-mail and Internet
or intranet websites) pursuant to procedures approved by the Administrative Agent, provided
that the foregoing shall not apply to notices to any Lender pursuant to Article II or to any
Canadian Lender pursuant to Article III if such Lender has notified the Administrative
Agent that it is incapable of receiving notices under such Article by electronic communication.
The Administrative Agent or any Borrower may, in its discretion, agree to accept notices and other

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communications to it hereunder by electronic communications pursuant to procedures approved by it,
provided that approval of such procedures may be limited to particular notices or
communications.

     (c) The Platform. THE PLATFORM IS PROVIDED “AS IS” AND “AS AVAILABLE.” THE AGENT
PARTIES (AS DEFINED BELOW) DO NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE BORROWER MATERIALS OR
THE ADEQUACY OF THE PLATFORM, AND EXPRESSLY DISCLAIM LIABILITY FOR ERRORS IN OR OMISSIONS FROM THE
BORROWER MATERIALS. NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR STATUTORY, INCLUDING ANY WARRANTY
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT OF THIRD PARTY RIGHTS OR
FREEDOM FROM VIRUSES OR OTHER CODE DEFECTS, IS MADE BY ANY AGENT PARTY IN CONNECTION WITH THE
BORROWER MATERIALS OR THE PLATFORM. In no event shall the Administrative Agent or any of the
Agent-Related Persons (collectively, the “Agent Parties”) have any liability to the
Borrowers, any Lender, any L/C Issuer or any other Person for losses, claims, damages, liabilities
or expenses of any kind (whether in tort, contract or otherwise) arising out of any Borrower’s or
the Administrative Agent’s transmission of Borrower Materials through the Internet, except to the
extent that such losses, claims, damages, liabilities or expenses are determined by a court of
competent jurisdiction by a final judgment to have resulted from the
gross negligence or willful misconduct of such Agent Party; provided, however, that in no
event shall any Agent Party have any liability to any Borrower, any Lender, any L/C Issuer or any
other Person for indirect, special, incidental, consequential or punitive damages (as opposed to
direct or actual damages).

     (d) Effectiveness of Facsimile Documents and Signatures. Loan Documents may be
transmitted and/or signed by facsimile. The effectiveness of any such documents and signatures
shall, subject to applicable Law, have the same force and effect as manually-signed originals and
shall be binding on all Loan Parties, the Administrative Agent and the Lenders. The Administrative
Agent may also require that any such documents and signatures be confirmed by a manually-signed
original thereof; provided, however, that the failure to request or deliver the
same shall not limit the effectiveness of any facsimile document or signature.

     (e) Reliance by Administrative Agent and Lenders. The Administrative Agent and the
Lenders shall be entitled to rely and act upon any notices (including telephonic US Committed Loan
Notices, Canadian Committed Borrowing Notices, US Swing Line Loan Notices and Canadian Swing Line
Loan Notices) purportedly given by or on behalf of any Borrower even if (i) such notices were not
made in a manner specified herein, were incomplete or were not preceded or followed by any other
form of notice specified herein, or (ii) the terms thereof, as understood by the recipient, varied
from any confirmation thereof. The US Borrower shall indemnify each Agent-Related Person and each
Lender, and each Canadian Borrower shall indemnify each Agent-Related Person and each Canadian
Lender from all losses, costs, expenses and liabilities resulting from the reliance by such Person
on each notice purportedly given by or on its behalf. All telephonic notices to and other
communications with the Administrative Agent may be recorded by the Administrative Agent, and each
of the parties hereto hereby consents to such recording.

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     12.03 No Waiver; Cumulative Remedies. No failure by any Lender or the Administrative Agent to
exercise, and no delay by any such Person in exercising, any right, remedy, power or privilege
hereunder shall operate as a waiver thereof; nor shall any single or partial exercise of any right,
remedy, power or privilege hereunder preclude any other or further exercise thereof or the exercise
of any other right, remedy, power or privilege. The rights, remedies, powers and privileges herein
provided are cumulative and not exclusive of any rights, remedies, powers and privileges provided
by law.

     12.04 Attorney Costs and Expenses. The US Borrower agrees (a) to pay or reimburse the
Administrative Agent for all reasonable and documented out-of-pocket costs and expenses incurred in
connection with the development, preparation, negotiation and execution of this Agreement and the
other Loan Documents and any amendment, waiver, consent or other modification of the provisions
hereof and thereof (whether or not the transactions contemplated hereby or thereby are
consummated), and the consummation and administration of the transactions contemplated hereby and
thereby, including all Attorney Costs (but not other costs of legal counsel), and (b) to pay or
reimburse the Administrative Agent and each Lender for all reasonable and documented out-of-pocket
costs and expenses incurred in
connection with the enforcement, attempted enforcement, or preservation of any rights or remedies
under this Agreement or the other Loan Documents (including all such costs and expenses incurred
during any “workout” or restructuring in respect of the Obligations and during any legal
proceeding, including any proceeding under any Debtor Relief Law), including all Attorney Costs and
Workout Attorney Costs (but no other costs of legal counsel). All amounts due under this
Section 12.04 shall be payable within ten Business Days after demand therefor. The
agreements in this Section shall survive the termination of the Aggregate Commitments and repayment
of all other Obligations. As used in this section, “Workout Attorney Costs” means all
fees, expenses and disbursements of one law firm for JPMorgan, one law firm for all Persons
included in the definition of Canadian L/C Issuer if they believe in good faith that separate
counsel is necessary, and one other law firm for the other Lenders, if they deem necessary;
provided that if Required Lenders reasonably determine that a conflict of interest exists with
respect to any of such law firms, one additional law firm selected by Required Lenders.

     12.05 Indemnification by the US Borrower. Whether or not the transactions contemplated hereby are
consummated, the US Borrower shall indemnify and hold harmless each Agent-Related Person, each
Lender, each Person included in the definition of L/C Issuer and their respective Affiliates,
directors, officers, employees, counsel, agents and attorneys-in-fact (in this section collectively
called the “Indemnitees”) from and against any and all liabilities, obligations, losses,
damages, penalties, claims, demands, actions, judgments, suits, and reasonable and documented
costs, expenses and disbursements (including Attorney Costs) of any kind or nature whatsoever
(other than those that are governed by Sections 5.01, 5.04, or 5.05, in
which case those sections shall govern) which may at any time be imposed on, incurred by or
asserted against any such Indemnitee in any way relating to or arising out of or in connection with
(a) the execution, delivery, enforcement, performance or administration of any Loan Document or any
other agreement, letter or instrument delivered in connection with the transactions contemplated
thereby, (b) any Commitment, Loan, Letter of Credit or Banker’s Acceptance accepted by a Lender
hereunder or the use or proposed use of the proceeds therefrom (including any refusal by the L/C
Issuer to honor a demand for payment under a Letter of Credit

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if the documents presented in
connection with such demand do not strictly comply with the terms of such Letter of Credit), (c)
any actual or alleged presence or release of Hazardous Materials on or from any property currently
or formerly owned or operated by any Borrower, any Subsidiary or any other Loan Party, or any
Environmental Liability related in any way to the any Borrower, any Subsidiary or any other Loan
Party, or (d) any actual or prospective claim, litigation, investigation or proceeding relating to
any of the foregoing, whether based on contract, tort or any other theory (including any
investigation of, preparation for, or defense of any pending or threatened claim, investigation,
litigation or proceeding) and regardless of whether any Indemnitee is a party thereto (all the
foregoing, collectively, the “Indemnified Liabilities”), in all cases, whether or not
caused by or arising, in whole or in part, out of the negligence of the Indemnitee;
provided that such indemnity shall not, as to any Indemnitee, be available to the extent
that such liabilities, obligations, losses, damages, penalties, claims, demands, actions,
judgments, suits, costs, expenses or disbursements are determined by a court of competent
jurisdiction by final judgment to have resulted from the gross negligence or willful misconduct of
such Indemnitee. All amounts due under this Section 12.05 shall be payable within ten
Business Days after demand therefor. The agreements in this Section shall
survive the resignation of the Administrative Agent, the replacement of any Lender, the termination
of the Aggregate Commitments and the repayment, satisfaction or discharge of all the other
Obligations.

     12.06 Indemnification by Devon Canada. Whether or not the transactions contemplated hereby are
consummated, Devon Canada shall indemnify and hold harmless each Agent-Related Person, each
Canadian Lender, each Person included in the definition of Canadian L/C Issuer and their respective
Affiliates, directors, officers, employees, counsel, agents and attorneys-in-fact (in this section
collectively called the “Indemnitees”) from and against any and all liabilities,
obligations, losses, damages, penalties, claims, demands, actions, judgments, suits, and reasonable
and documented costs, expenses and disbursements (including Attorney Costs) of any kind or nature
whatsoever (other than those that are governed by Sections 5.01, 5.04, or
5.05, in which case those sections shall govern) which may at any time be imposed on,
incurred by or asserted against any such Indemnitee in any way relating to or arising out of or in
connection with (a) the execution, delivery, enforcement, performance or administration of any Loan
Document or any other agreement, letter or instrument delivered in connection with the transactions
contemplated thereby, (b) any Canadian Commitment, Canadian Borrowing or Canadian Letter of Credit
or the use or proposed use of the proceeds therefrom (including any refusal by the Canadian L/C
Issuer to honor a demand for payment under a Canadian Letter of Credit if the documents presented
in connection with such demand do not strictly comply with the terms of such Letter of Credit), (c)
any actual or alleged presence or release of Hazardous Materials on or from any property currently
or formerly owned or operated by any Canadian Borrower, any Subsidiary or any other Loan Party, or
any Environmental Liability related in any way to any Canadian Borrower, any such Subsidiary or any
other Loan Party, or (d) any actual or prospective claim, litigation, investigation or proceeding
relating to any of the foregoing, whether based on contract, tort or any other theory (including
any investigation of, preparation for, or defense of any pending or threatened claim,
investigation, litigation or proceeding) and regardless of whether any Indemnitee is a party
thereto (all the foregoing, collectively, the “Indemnified Liabilities”), in all cases,
whether or not caused by or arising, in whole or in part, out of the negligence of the Indemnitee;
provided that such indemnity shall not, as to any

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Indemnitee, be available to the extent
that such liabilities, obligations, losses, damages, penalties, claims, demands, actions,
judgments, suits, costs, expenses or disbursements are determined by a court of competent
jurisdiction by final judgment to have resulted from the gross negligence or willful misconduct of
such Indemnitee. All amounts due under this Section 12.05 shall be payable within ten
Business Days after demand therefor. The agreements in this Section shall survive the resignation
of the Administrative Agent, the replacement of any Lender, the termination of the Aggregate
Commitments and the repayment, satisfaction or discharge of all the other Obligations.

     12.07 Payments Set Aside. To the extent that any payment by or on behalf of any Borrower is made
to the Administrative Agent or any Lender, or the Administrative Agent or any Lender exercises its
right of set-off, and such payment or the proceeds of such set-off or any part thereof is
subsequently invalidated, declared to be fraudulent or preferential, set aside or required
(including pursuant to any
settlement entered into by the Administrative Agent or such Lender in its discretion) to be repaid
to a trustee, receiver or any other party, in connection with any proceeding under any Debtor
Relief Law or otherwise, then (a) to the extent of such recovery, the obligation or part thereof
originally intended to be satisfied shall be revived and continued in full force and effect as if
such payment had not been made or such set-off had not occurred, and (b) each Lender severally
agrees to pay to the Administrative Agent upon demand its applicable share of any amount so
recovered from or repaid by the Administrative Agent, plus interest thereon from the date of such
demand to the date such payment is made at a rate per annum equal to the Federal Funds Rate from
time to time in effect.

     12.08 Successors and Assigns.

     (a) Successors and Assigns Generally. The provisions of this Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective successors and
assigns permitted hereby, except that, except as permitted under Section 9.03 and
Section 9.04, the US Borrower may not assign or otherwise transfer any of its rights or
obligations hereunder without the prior written consent of each Lender, no Canadian Borrower may
assign or otherwise transfer any of its rights or obligations hereunder without the prior written
consent of each Canadian Lender and no Lender may assign or otherwise transfer any of its rights or
obligations hereunder except (i) to an assignee in accordance with the provisions of subsection (b)
of this Section, (ii) by way of participation in accordance with the provisions of subsection (d)
of this Section, or (iii) by way of pledge or assignment of a security interest subject to the
restrictions of subsection (f) of this Section (and any other attempted assignment or transfer by
any party hereto shall be null and void). Nothing in this Agreement, expressed or implied, shall
be construed to confer upon any Person (other than the parties hereto, their respective successors
and assigns permitted hereby, Participants to the extent provided in subsection (d) of this Section
and, to the extent expressly contemplated hereby, the Related Parties of each of the Administrative
Agent, the L/C Issuer and the Lenders) any legal or equitable right, remedy or claim under or by
reason of this Agreement.

     (b) Assignments by Lenders. Subject to the following requirements of this Section
12.08, and in the case of Bank of America, Section 11.09, any Lender may at any time
assign to one or more assignees all or a portion of its rights and obligations under this Agreement

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(including all or a portion of its Commitment and the Loans (including for purposes of this
subsection (b), participations in L/C Obligations and in Swing Line Loans) at the time owing to
it); provided that any such assignment shall be subject to the following conditions:

     (i) Minimum Amounts.

     (A) in the case of an assignment of the entire remaining amount of the
assigning Lender’s Commitment and the Loans at the time owing to it or in the case
of an assignment to a Lender, an Affiliate of a Lender or an Approved Fund (as
defined in subsection (g) of this Section), no minimum amount need be assigned; and

     (B) in any case not described in subsection (b)(i)(A) of this Section, the
aggregate amount of the Commitment (which for this purpose includes Loans
outstanding thereunder) or, if the Commitment is not then in effect, the principal
outstanding balance of the Loans and Bankers’ Acceptances of the assigning Lender
subject to each such assignment, determined as of the date the Assignment and
Assumption with respect to such assignment is delivered to the Administrative Agent
or, if “Trade Date” is specified in the Assignment and Assumption, as of the Trade
Date, shall not be less than US $10,000,000 unless each of the Administrative Agent
and, so long as no Event of Default has occurred and is continuing, the US Borrower
otherwise consents (each such consent not to be unreasonably withheld or delayed) );
provided, however, that concurrent assignments to members of an
Assignee Group and concurrent assignments from members of an Assignee Group to a
single assignee (or to an assignee and members of its Assignee Group) will be
treated as a single assignment for purposes of determining whether such minimum
amount has been met.

     (ii) Proportionate Amounts. 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 with respect to the Commitment (including the Canadian Commitment and
Canadian Maximum Commitment of such Lender or its Affiliate, if any) assigned (unless the
Commitments have been terminated pursuant to Article X) and the outstanding Loans
(including its US Loans, US L/C Obligations, participations in US Swing Line Loans, Canadian
Loans, Canadian L/C Obligations, participations in Canadian Swing Line Loans and Bankers’
Acceptances), except that this clause (ii) shall not apply to Bid Loans or a Swing Line
Lender’s rights and obligations in respect of Swing Line Loans.

     (iii) Required Consents. No consent shall be required for any assignment
except to the extent required by subsection (b)(i)(B) of this Section and, in addition:

     (A) the consent of the US Borrower (such consent not to be unreasonably
withheld or delayed) shall be required unless (1) an Event of

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Default has occurred
and is continuing at the time of such assignment or (2) such assignment is to a
Lender, an Affiliate of a Lender or an Approved Fund;

     (B) the consent of the Administrative Agent (such consent not to be
unreasonably withheld or delayed) shall be required if such assignment is to a
Person that is not a Lender, an Affiliate of such Lender or an Approved Fund with
respect to such Lender;

     (C) the consent of each L/C Issuer (such consent not to be unreasonably
withheld or delayed) shall be required for any assignment that increases the
obligation of the assignee to participate in exposure under one or more Letters of
Credit (whether or not then outstanding); and

     (D) the consent of US Swing Line Lender and the Canadian Swing Line Lender
(such consent not to be unreasonably withheld or delayed) shall be required for any
assignment.

     (iv) Assignment and Assumption. The parties to each assignment shall execute
and deliver to the Administrative Agent an Assignment and Assumption, together with a
processing and recordation fee (payable by the assignor Lender or the assignee Lender) in
the amount, if any, required as set forth in Schedule 12.08; provided,
however, that the Administrative Agent may, in its sole discretion, elect to waive
such processing and recordation fee in the case of any assignment. The assignee, if it is
not a Lender, shall deliver to the Administrative Agent an Administrative Questionnaire.

     (v) No Assignment to Borrower. No such assignment shall be made to the US
Borrower or any of the US Borrower’s Affiliates or Subsidiaries.

     (vi) No Assignment to Natural Persons. No such assignment shall be made to a
natural person.

Subject to acceptance and recording thereof by the Administrative Agent pursuant to subsection (c)
of this Section, from and after the effective date specified in each Assignment and Assumption, the
assignee thereunder shall be a party to this Agreement and, to the extent of the interest assigned
by such Assignment and Assumption, have the rights and obligations of a Lender under this
Agreement, and the assigning Lender thereunder shall, to the extent of the interest assigned by
such Assignment and Assumption, be released from its obligations under this Agreement (and, in the
case of an Assignment and Assumption covering all of the assigning Lender’s rights and obligations
under this Agreement, such Lender shall cease to be a party hereto) but shall continue to be
entitled to the benefits of Sections 5.01, 5.04, 5.05, 12.04,
12.05, and 12.06 with respect to facts and circumstances occurring prior to the
effective date of such assignment. Upon request, each applicable Borrower (at its expense) shall
execute and deliver a Note to the assignee Lender. Any assignment or transfer by a Lender of
rights or obligations under this Agreement that does not comply with this subsection shall be
treated for purposes of this Agreement as a sale by such Lender of a participation in such rights
and obligations in accordance with subsection (d) of this Section.

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     (c) Register. The Administrative Agent, acting solely for this purpose as an agent of
the Borrowers, shall maintain at the Administrative Agent’s Office a copy of each Assignment and
Assumption delivered to it and a register for the recordation of the names and addresses of the
Lenders, and the Commitments of, and principal amounts of the Loans and L/C Obligations owing to,
each Lender pursuant to the terms hereof from time to time (the “Register”). The entries
in the Register shall be conclusive, and the Borrowers, the Administrative Agent and the Lenders
shall treat each Person whose name is recorded in the Register pursuant to the terms hereof as a
Lender hereunder for all purposes of this Agreement, notwithstanding notice to the contrary. The
Register shall be available for inspection by the Borrowers and any Lender, at any reasonable time
and from time to time upon reasonable prior notice.

     (d) Participations. Any Lender may at any time, without the consent of, or notice to,
the Borrowers or the Administrative Agent, sell participations to any Person (other than a natural
person or any Borrower or of any Borrower’s Affiliates or Subsidiaries) (each, a
“Participant”) in all or a portion of such Lender’s rights and/or obligations under this
Agreement (including all or a portion of its Commitment and/or the Loans and Bankers’ Acceptances
(including such Lender’s participations in L/C Obligations and/or Swing Line Loans) owing to it);
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
such obligations and (iii) the Borrowers, the Administrative Agent, the Lenders and the L/C Issuer
shall continue to deal solely and directly with such Lender in connection with such Lender’s rights
and obligations under this Agreement.

     Any agreement or instrument pursuant to which a Lender sells such a participation shall
provide that such Lender shall retain the sole right to enforce this Agreement and to approve any
amendment, modification or waiver of any provision of this Agreement; provided that such
agreement or instrument may provide that such Lender will not, without the consent of the
Participant, agree to any amendment, waiver or other modification described in the first proviso to
Section 12.01 that affects such Participant. Subject to subsection (e) of this Section,
the Borrowers agree that each Participant shall be entitled to the benefits of Sections
5.01, 5.04 and 5.05 through the participating Lender to the same extent as if
it were a Lender and had acquired its interest by assignment pursuant to subsection (b) of this
Section. To the extent permitted by law, each Participant also shall be entitled to the benefits
of Section 12.10 as though it were a Lender, provided such Participant agrees to be
subject to Section 4.06 as though it were a Lender.

     (e) Limitations upon Participant Rights. A Participant shall not be entitled to
receive any greater payment under Section 5.01, 5.04, or 5.05 than the
applicable Lender would have been entitled to receive with respect to the participation sold to
such Participant or be entitled to the benefits of Section 12.10, unless the sale of the
participation to such Participant is made with the Borrowers’ prior written consent. A Participant
that would be (i) a Non-US Lender or (ii) a Lender that is a “United States person” within the
meaning of Section 7701(a)(30) of the Code (unless it is an exempt recipient (within the meaning of
Treasury Regulations Section 1.6049-4(c), without regard to the third sentence of clause (1)(ii) of
such Treasury Regulations)) if it were a Lender shall not be entitled to the benefits of
Section 5.01 unless the Borrowers are

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notified of the participation sold to such
Participant and such Participant complies with Section 12.16 as though it were a Lender.

     (f) Certain Pledges. Any Lender may at any time pledge or assign a security interest
in all or any portion of its rights under this Agreement (including under its Note, if any) to
secure obligations of such Lender, including any pledge or assignment to secure obligations to a
Federal Reserve Bank; provided that no such pledge or assignment shall release such Lender
from any of its obligations hereunder or substitute any such pledgee or assignee for such Lender as
a party hereto.

     (g) Definitions. As used herein, the following terms have the following meanings:

     “Approved Fund” means any Fund that is administered or managed by (a) a Lender,
(b) an Affiliate of a Lender or (c) an entity or an Affiliate of an entity that administers
or manages a Lender.

     “Assignee Group” means two or more Eligible Assignees that are Affiliates of
one another or two or more Approved Funds managed by the same investment advisor.

     “Eligible Assignee” means any Person that meets the requirements to be an
assignee under Section 12.08(b)(iii), (v) and (vi) (subject to such
consents, if any, as may be required under Section 12.08(b)(iii)).

     “Fund” means any Person (other than a natural person) that is engaged in making
and holding commercial loans and similar extensions of credit in the ordinary course of its
business.

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

     (h) Electronic Execution of Assignments. The words “execution,” “signed,”
“signature,” and words of like import in any Assignment and Assumption shall be deemed to include
electronic signatures or the keeping of records in electronic form, each of which shall be of the
same legal effect, validity or enforceability as a manually executed signature or the use of a
paper-based recordkeeping system, as the case may be, to the extent and as provided for in any
applicable law, including the Federal Electronic Signatures in Global and National Commerce Act,
the New York State Electronic Signatures and Records Act, or any other similar state laws based on
the Uniform Electronic Transactions Act.

     (i) Resignation as L/C Issuer or Swing Line Lender after Assignment. Notwithstanding
anything to the contrary contained herein, if at any time Bank of America assigns all of its
Commitment and Loans pursuant to subsection (b) above, Bank of America may, (i) upon 30 days’
notice to the Borrowers and the Lenders, and, so long as one or more financial institutions
reasonably acceptable to the Borrowers have accepted their appointment as a successor L/C Issuer,
resign as L/C Issuer and/or (ii) upon 30 days’ notice to the Borrowers, resign as US Swing Line
Lender and Canadian Swing Line Lender. In the event of any such

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resignation as L/C Issuer, US
Swing Line Lender, or Canadian Swing Line Lender, the US Borrower shall be entitled to appoint from
among the Lenders a successor US L/C Issuer or US Swing Line Lender hereunder, and the Canadian
Borrowers shall be entitled to appoint from among the Canadian Lenders a successor Canadian L/C
Issuer or Canadian Swing Line Lender hereunder; provided, however, that no failure
by any Borrower to appoint any such successor shall affect the resignation of Bank of America as
(except as provided above) L/C Issuer, US Swing Line Lender, or Canadian Swing Line Lender, as the
case may be. If Bank of America resigns as L/C Issuer, it shall retain all the rights and
obligations of the L/C Issuer hereunder with respect to all Letters of Credit outstanding as of the
effective date of its resignation as L/C Issuer and all L/C Obligations with respect thereto
(including the right to require the Lenders to make Base Rate Committed Loans or fund risk
participations in US Unreimbursed Amounts pursuant
to Section 2.04(c) and to require the Canadian Lenders to make Canadian Prime Rate
Committed Loans or fund risk participations in Canadian Unreimbursed Amounts pursuant to
Section 3.04(c)). If Bank of America resigns as US Swing Line Lender or Canadian Swing
Line Lender, it shall retain all the rights of the US Swing Line Lender or Canadian Swing Line
Lender, as applicable, provided for hereunder with respect to Swing Line Loans made by it and
outstanding as of the effective date of such resignation, including the right to require the
Lenders to make Base Rate Committed Loans or fund risk participations in outstanding Swing Line
Loans pursuant to Section 2.05(c). Upon the appointment of a successor L/C Issuer and/or
US Swing Line Lender or Canadian Swing Line Lender, (a) such successor shall succeed to and become
vested with all of the rights, powers, privileges and duties of the retiring L/C Issuer, US Swing
Line Lender or Canadian Swing Line Lender, as the case may be, and (b) the successor L/C Issuer
shall issue letters of credit in substitution for the Letters of Credit, if any, outstanding at the
time of such succession (provided that the respective beneficiaries thereof agree to such
substitution) or make other arrangements satisfactory to Bank of America to effectively assume the
obligations of Bank of America with respect to such Letters of Credit.

     (j) Limitations upon Rights. Notwithstanding any other provision to the contrary in
any Loan Document, it is agreed and understood that the Borrowers shall be required to “gross-up”,
indemnify, or increase any payments pursuant to Section 5.01 to any Lender that becomes a
party to this Agreement pursuant to Section 12.08(b) or 4.09 or any successor
Administrative Agent pursuant to Section 11.09 only if the Taxes described in Section
5.01 have been imposed solely as a result of any change in any Law occurring after the date
that such Lender or such successor Administrative Agent became a party to this Agreement.

     12.09 Confidentiality. Each of the Administrative Agent and the Lenders agrees to maintain the
confidentiality of the Information (as defined below), except that Information may be disclosed (a)
to its Affiliates and to its and its Affiliates’ respective partners, directors, officers,
employees, agents, advisors and representatives (it being understood that the Persons to whom such
disclosure is made will be informed of the confidential nature of such Information and instructed
to keep such Information confidential) and that the Lender providing any such Information shall be
responsible for the breach thereof by any such Person, (b) to the extent requested by any
regulatory authority purporting to have jurisdiction over it (including any self-regulatory
authority, such as the National Association of Insurance Commissioners), (c) to the extent
required by applicable laws or regulations or by any subpoena or similar legal process; provided
that Administrative Agent or such Lender, as applicable, shall notify US Borrower if

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disclosure of
such Information is so required, to the extent it is not prohibited from doing so by any Law or
such subpoena or legal process, (d) to any other party hereto, (e) in connection with the exercise
of any remedies hereunder or under any other Loan Document or any action or proceeding relating to
this Agreement or any other Loan Document or the enforcement of rights hereunder or thereunder, (f)
subject to an agreement containing provisions substantially the same as those of this Section, to
(i) any assignee of or Participant in, or any prospective assignee of or Participant in, any of its
rights or obligations under this Agreement or (ii) any actual or prospective counterparty (or its
advisors) to any swap or derivative transaction relating to any Borrower and its obligations, (g)
with the consent of any Borrower, or (h) to the extent such Information (x) becomes publicly
available other than as a result of a breach of this Section or (y) becomes available to the
Administrative Agent or any Lender on a nonconfidential basis from a source other than any Borrower
unless Administrative Agent or such Lender, as applicable, shall know that such source was required
to keep such information confidential. For purposes of this Section, “Information” means
all information received from any Borrower or any of its Subsidiaries relating to such Borrower or
any Subsidiary or any of their respective businesses, other than any such information that is
available to the Administrative Agent or any Lender on a nonconfidential basis prior to disclosure
by such Borrower or any Subsidiary, provided that, in the case of information received from
any Borrower or any Subsidiary after the date hereof, such information is clearly identified at the
time of delivery as confidential. Any Person required to maintain the confidentiality of
Information as provided in this Section shall be considered to have complied with its obligation to
do so if such Person has exercised the same degree of care to maintain the confidentiality of such
Information as such Person would accord to its own confidential information.

     12.10 Bank Accounts; Offset. (a) The US Borrower hereby agrees that each Lender shall have
the right to offset (which shall be in addition to all other interests, liens, and rights of any
Lender at common Law, under the Loan Documents, or otherwise) (i) any and all moneys, securities or
other property (and the proceeds therefrom) of such Borrower now or hereafter held or received by
or in transit to any Lender for the account of the US Borrower, (ii) any and all deposits (general
or special, time or demand, provisional or final) of the US Borrower with any Lender, (iii) any
other credits and balances of the US Borrower at any time existing against any Lender, including
claims under certificates of deposit, and (iv) any indebtedness owed or payable by any Lender to
the US Borrower at any time against Obligations due to it that have not been paid when due. At any
time and from time to time after the occurrence of any Event of Default and during the continuance
thereof, each Lender is hereby authorized to offset against the Obligations then due and payable to
it (in either case without notice to the US Borrower), any and all items hereinabove referred to.
To the extent that the US Borrower has accounts designated as royalty or joint interest owner
accounts, the foregoing right of offset shall not extend to funds in such accounts which belong to,
or otherwise arise from payments to the US Borrower for the account of, third party royalty or
joint interest owners. Each Lender agrees promptly to notify each applicable Borrower and the
Administrative Agent after any such set-off and application made by such Lender; provided,
however, that the failure to give such notice shall not affect the validity of such set-off
and application.

     (b) Each Canadian Borrower hereby agrees that each Canadian Lender shall have the right to
offset (which shall be in addition to all other interests, liens, and rights of such Canadian

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Lender at common Law, under the Loan Documents, or otherwise) (a) any and all moneys, securities or
other property (and the proceeds therefrom) of such Canadian Borrower now or hereafter held or
received by or in transit to any Canadian Lender for the account of such Canadian Borrower, (b) any
and all deposits (general or special, time or demand, provisional or final) of such Canadian
Borrower with any Canadian Lender, (c) any other credits and balances of such Canadian Borrower at
any time existing against any Canadian Lender, including claims under certificates of deposit, and
(d) any indebtedness owed or payable by any Canadian Lender
to such Canadian Borrower at any time against Canadian Obligations due to it that have not
been paid when due. At any time and from time to time after the occurrence of any Event of Default
and during the continuance thereof, each Canadian Lender is hereby authorized to offset against the
Canadian Obligations then due and payable to it by such Canadian Borrower (in either case without
notice to such Canadian Borrower), any and all items hereinabove referred to. To the extent that
either Canadian Borrower has accounts designated as royalty or joint interest owner accounts, the
foregoing right of offset shall not extend to funds in such accounts which belong to, or otherwise
arise from payments to such Canadian Borrower for the account of, third party royalty or joint
interest owners. Each Canadian Lender agrees promptly to notify each Canadian Borrower and the
Administrative Agent after any such set-off and application made by such Canadian Lender;
provided, however, that the failure to give such notice shall not affect the
validity of such set-off and application.

     12.11 Interest Rate Limitation. Notwithstanding anything to the contrary contained in any Loan
Document, the interest paid or agreed to be paid under the Loan Documents shall not exceed the
maximum rate of non-usurious interest permitted by applicable Law (the “Maximum Rate”). If
the Administrative Agent or any Lender shall receive interest in an amount that exceeds the Maximum
Rate, the excess interest shall be applied to the principal of the Loans or, if it exceeds such
unpaid principal, refunded to the applicable Borrower. In determining whether the interest
contracted for, charged, or received by the Administrative Agent or a Lender exceeds the Maximum
Rate, such Person may, to the extent permitted by applicable Law, (a) characterize any payment that
is not principal as an expense, fee, or premium rather than interest, (b) exclude voluntary
prepayments and the effects thereof, and (c) amortize, prorate, allocate, and spread in equal or
unequal parts the total amount of interest throughout the contemplated term of the Obligations
hereunder. In no event shall the aggregate “interest” (as defined in section 347 of the Criminal
Code (Canada)) payable with respect to any Canadian Obligations exceed the maximum effective annual
rate of interest on the “credit advanced” (as defined in that section) permitted under that section
and, if any payment, collection or demand pursuant to this Agreement in respect of “interest” (as
defined in that section) is determined to be contrary to the provisions of that section, such
payment, collection or demand shall be deemed to have been made by mutual mistake of Canadian
Borrowers, Administrative Agent and Lenders and the amount of such excess payment or collection
shall be refunded to Canadian Borrowers. For purposes of the Canadian Obligations, the effective
annual rate of interest shall be determined in accordance with generally accepted actuarial
practices and principles over the term applicable to the Canadian Obligations on the basis of
annual compounding of the lawfully permitted rate of interest and, in the event of dispute, a
certificate of a Fellow of the Canadian Institute of Actuaries appointed by Administrative Agent
shall be prima facie evidence, for the purposes of such determination.

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     12.12 Counterparts. This Agreement may be executed in one or more counterparts, each of which
shall be deemed an original, but all of which together shall constitute one and the same
instrument.

     12.13 Integration. This Agreement, together with the other Loan Documents, comprises the complete and integrated
agreement of the parties on the subject matter hereof and thereof and supersedes all prior
agreements, written or oral, on such subject matter. In the event of any conflict between the
provisions of this Agreement and those of any other Loan Document, the provisions of this Agreement
shall control; provided that the inclusion of supplemental rights or remedies in favor of
the Administrative Agent or the Lenders in any other Loan Document shall not be deemed a conflict
with this Agreement. Each Loan Document was drafted with the joint participation of the respective
parties thereto and shall be construed neither against nor in favor of any party, but rather in
accordance with the fair meaning thereof.

     12.14 Survival of Representations and Warranties. All representations and warranties made
hereunder and in any other Loan Document or other document delivered pursuant hereto or thereto or
in connection herewith or therewith shall survive the execution and delivery hereof and thereof.
Such representations and warranties have been or will be relied upon by the Administrative Agent
and each Lender, regardless of any investigation made by the Administrative Agent or any Lender or
on their behalf and notwithstanding that the Administrative Agent or any Lender may have had notice
or knowledge of any Default at the time of any US Credit Extension, and shall continue in full
force and effect as long as any Loan or any other Obligation hereunder shall remain unpaid or
unsatisfied or any US Letter of Credit shall remain outstanding.

     12.15 Severability. If any provision of this Agreement or the other Loan Documents is held to be
illegal, invalid or unenforceable, (a) the legality, validity and enforceability of the remaining
provisions of this Agreement and the other Loan Documents shall not be affected or impaired thereby
and (b) the parties shall endeavor in good faith negotiations to replace the illegal, invalid or
unenforceable provisions with valid provisions the economic effect of which comes as close as
possible to that of the illegal, invalid or unenforceable provisions. The invalidity of a
provision in a particular jurisdiction shall not invalidate or render unenforceable such provision
in any other jurisdiction.

     12.16 Tax Forms. (a) (i) Each Lender that is not a “United States person” within the meaning of
Section 7701(a)(30) of the Code (a “Non-US Lender”) shall deliver to the US Borrower and
Administrative Agent, prior to receipt of any payment subject to withholding under the Code (or
upon accepting an assignment of an interest herein), two duly signed completed copies of either IRS
Form W-8BEN or any successor thereto (relating to such Non-US Lender and entitling it to an
exemption from, or reduction of, withholding tax on all payments to be made to such Non-US Lender
by or on behalf of any Borrower pursuant to this Agreement) or IRS Form W-8ECI or any successor
thereto (relating to all payments to be made to such Non-US Lender by any Borrower pursuant to this
Agreement) or such other evidence satisfactory to the applicable Borrower and the Administrative
Agent that such Non-US Lender is entitled to an exemption from, or reduction of, U.S. withholding
tax, including any exemption pursuant to Section 881(c) of the Code. Thereafter and from time to
time, each such Non-US

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Lender shall (A) promptly
submit to the US Borrower and Administrative Agent such additional duly completed and signed copies
of one of such forms (or such successor forms as shall be adopted from time to time by the relevant
United States taxing authorities) as may then be available under then current United States laws
and regulations to avoid, or such evidence as is satisfactory to the applicable Borrower and the
Administrative Agent of any available exemption from or reduction of, United States withholding
taxes in respect of all payments to be made to such Non-US Lender by the applicable Borrower
pursuant to this Agreement, (B) promptly notify the US Borrower and Administrative Agent of any
change in circumstances which would modify or render invalid any claimed exemption or reduction,
and (C) take such steps as shall not be materially disadvantageous to it, in the reasonable
judgment of such Lender, and as may be reasonably necessary (including the re-designation of its
Lending Office) to avoid any requirement of applicable Laws that the applicable Borrower make any
deduction or withholding for taxes from amounts payable to such Non-US Lender.

     (ii) Each Non-US Lender, to the extent it does not act or ceases to act for its own
account with respect to any portion of any sums paid or payable to such Lender under any of
the Loan Documents (for example, in the case of a typical participation by such Lender),
shall deliver to the Administrative Agent and the US Borrower on the date when such Non-US
Lender ceases to act for its own account with respect to any portion of any such sums paid
or payable, and at such other times as may be necessary in the determination of the
Administrative Agent (in the reasonable exercise of its discretion), (A) two duly signed
completed copies of the forms or statements required to be provided by such Lender as set
forth above, to establish the portion of any such sums paid or payable with respect to which
such Lender acts for its own account that is not subject to U.S. withholding tax, and (B)
two duly signed completed copies of IRS Form W-8IMY (or any successor thereto), together
with any information such Lender chooses to transmit with such form, and any other
certificate or statement of exemption required under the Code, to establish that such Lender
is not acting for its own account with respect to a portion of any such sums payable to such
Lender.

     (iii) No Borrower shall be required to pay any additional amount to any Non-US Lender
under Section 5.01 (A) with respect to any Taxes required to be deducted or withheld
on the basis of the information, certificates or statements of exemption such Lender
transmits with an IRS Form W-8IMY pursuant to this Section 12.16(a) or (B) if such
Lender shall have failed to satisfy the foregoing provisions of this Section
12.16(a); provided that if such Lender shall have satisfied the requirement of
this Section 12.16(a) on the date such Lender became a Lender or ceased to act for
its own account with respect to any payment under any of the Loan Documents, nothing in this
Section 12.16(a) shall relieve the applicable Borrower of its obligation to pay any
amounts pursuant to Section 5.01 in the event that, as a result of any change in any
applicable law, treaty or governmental rule, regulation or order, or any change in the
interpretation, administration or application thereof, such Lender is no longer properly
entitled to deliver forms, certificates or other evidence at a subsequent date establishing
the fact that such Lender or other Person for the account of which such Lender receives any
sums payable under any of the Loan Documents is not subject to withholding or is subject to
withholding at a reduced rate.

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     (iv) The Administrative Agent may, without reduction, withhold any Taxes required to
be deducted and withheld from any payment under any of the Loan Documents with respect to
which no Borrower is required to pay additional amounts under this Section
12.16(a).

     (b) Upon the request of the US Borrower or the Administrative Agent, each Lender that is a
“United States person” within the meaning of Section 7701(a)(30) of the Code (unless it is an
exempt recipient (within the meaning of Treasury Regulations Section 1.6049-4(c), without regard to
the third sentence of clause (1)(ii) of such Treasury Regulations)) shall deliver to the US
Borrower and the Administrative Agent two duly signed completed copies of IRS Form W-9. If such
Lender fails to deliver such forms, then the Administrative Agent may withhold from any interest
payment to such Lender an amount equivalent to the applicable back-up withholding tax imposed by
the Code, without reduction.

     (c) If any Governmental Authority asserts that the Administrative Agent did not properly
withhold or backup withhold, as the case may be, any tax or other amount from payments made to or
for the account of any Lender, such Lender shall indemnify the Administrative Agent therefor,
including all penalties and interest, any taxes imposed by any jurisdiction on the amounts payable
to the Administrative Agent under this Section, and costs and expenses (including Attorney Costs)
of the Administrative Agent. The obligation of the Lenders under this Section shall survive the
termination of the Aggregate Commitments, repayment of all other Obligations hereunder and the
resignation of the Administrative Agent.

     12.17 Replacement of Lenders. In the event that any Lender shall (i) claim payment of any
amount pursuant to Section 5.01; (ii) claim any increased cost pursuant to Section
5.04 or the benefit of Section 5.03; (iii) fail to agree to extend the Maturity Date
pursuant to Section 4.08, if the requisite Lenders have agreed to do so; (iv) become and
continue to be a Defaulting Lender; or (v) fail to consent to an election, consent, amendment,
waiver or other modification to this Agreement or any other Loan Document that requires the consent
of a greater percentage of the Lenders than the Required Lenders, the Required US Lenders or the
Required Canadian Lenders, as the case may be, and such election, consent, amendment, waiver or
other modification is otherwise consented to by the Required Lenders, the Required US Lenders or
the Required Canadian Lenders, as the case may be, (a) the US Borrower may, upon notice to such
Lender and the Administrative Agent, replace such Lender by causing such Lender to assign its
rights and obligations hereunder (with the assignment fee to be paid by the US Borrower in such
instance) pursuant to Section 12.08(b) to one or more Eligible Assignees that are or have
an affiliate that is a Canadian Resident Lender, if applicable, procured by the US Borrower, each
of which shall assume a pro rata portion of the Commitment (including the Canadian Commitment, if
applicable) and the Credit Extensions of such replaced Lender; provided, however,
that if the US Borrower elects to exercise such right with respect to any Lender pursuant to
Section 5.01, 5.03 or 5.04 or, it shall be obligated to replace all Lenders
that have made similar requests for compensation or benefit pursuant to Section 5.01,
5.03 or 5.04; or (b) the applicable Borrower may, upon three Business Days’ notice
to such Lender through the Administrative Agent, prepay in full all of the outstanding Loans and
Bankers’ Acceptances (as applicable) of such Lender and all other
Obligations owing to such Lender, or its assignee, together with accrued interest thereon to
the date of prepayment and all other amounts owed by the Borrowers to such Lender accrued

133

 

to the date of prepayment, and concurrently therewith the US Borrower may terminate this Agreement with
respect to such Lender by giving notice of such termination to Administrative Agent and such
Lender. Upon satisfaction of the requirements set forth above in clause (a) of the preceding
sentence, payment to the Lender to be replaced of the purchase price in immediately available
funds, and the payment by the US Borrower of all requested costs accruing to the date of purchase
which the Borrowers are obligated to pay under Sections 5.01, 5.03 and 5.04 and all
other amounts owed by the Borrowers to such Lender (other than the principal of and interest on the
Credit Extension of such Lender, and accrued facility and utilization fees, purchased by the
Eligible Assignee) such Eligible Assignee shall constitute a “Lender”, and if applicable, a
“Canadian Lender”, hereunder, as the case may be, and the Lender being so replaced shall no longer
constitute a “Lender” or “Canadian Lender” hereunder, as the case may be, and its Commitment, and
if applicable, its Canadian Commitment, shall be deemed terminated. If, however, (x) the Eligible
Assignee fails to purchase such rights and interest on such specified date in accordance with the
terms of such offer, the Borrowers shall continue to be obligated to pay amounts to such Lender or
Canadian Lender pursuant to Section 5.01 or increased costs pursuant to Section
5.04, as the case may be, or (y) the Lender proposed to be replaced fails to consummate
such purchase offer, the Borrowers shall not be obligated to pay to such Lender or Canadian Lender
such increased costs or additional amounts incurred or accrued from and after the date of such
purchase offer.

     12.18 Governing Law.

     (a) THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAW OF THE
STATE OF NEW YORK; PROVIDED THAT THE ADMINISTRATIVE AGENT AND EACH LENDER SHALL RETAIN ALL
RIGHTS ARISING UNDER FEDERAL LAW.

     (b) ANY LEGAL ACTION OR PROCEEDING WITH RESPECT TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT
MAY BE BROUGHT IN THE COURTS OF THE STATE OF NEW YORK SITTING IN NEW YORK CITY OR OF THE UNITED
STATES FOR THE SOUTHERN DISTRICT OF SUCH STATE, AND BY EXECUTION AND DELIVERY OF THIS AGREEMENT,
EACH OF THE BORROWERS, THE ADMINISTRATIVE AGENT AND EACH LENDER CONSENTS, FOR ITSELF AND IN RESPECT
OF ITS PROPERTY, TO THE NON-EXCLUSIVE JURISDICTION OF THOSE COURTS. EACH OF THE BORROWERS, THE
ADMINISTRATIVE AGENT AND EACH LENDER IRREVOCABLY WAIVES ANY OBJECTION, INCLUDING ANY OBJECTION TO
THE LAYING OF VENUE OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER
HAVE TO THE BRINGING OF ANY ACTION OR PROCEEDING IN SUCH JURISDICTION IN RESPECT OF ANY LOAN
DOCUMENT OR OTHER DOCUMENT RELATED THERETO. EACH OF THE BORROWERS, THE ADMINISTRATIVE AGENT AND
EACH LENDER WAIVES
PERSONAL SERVICE OF ANY SUMMONS, COMPLAINT OR OTHER PROCESS, WHICH MAY BE MADE BY ANY OTHER
MEANS PERMITTED BY THE LAW OF SUCH STATE.

     12.19 Waiver of Right to Trial by Jury. EACH PARTY TO THIS AGREEMENT HEREBY EXPRESSLY WAIVES ANY
RIGHT TO TRIAL BY JURY OF ANY CLAIM,

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DEMAND, ACTION OR CAUSE OF ACTION ARISING UNDER ANY LOAN
DOCUMENT OR IN ANY WAY CONNECTED WITH OR RELATED OR INCIDENTAL TO THE DEALINGS OF THE PARTIES
HERETO OR ANY OF THEM WITH RESPECT TO ANY LOAN DOCUMENT, OR THE TRANSACTIONS RELATED THERETO, IN
EACH CASE WHETHER NOW EXISTING OR HEREAFTER ARISING, AND WHETHER FOUNDED IN CONTRACT OR TORT OR
OTHERWISE; AND EACH PARTY HEREBY AGREES AND CONSENTS THAT ANY SUCH CLAIM, DEMAND, ACTION OR CAUSE
OF ACTION SHALL BE DECIDED BY COURT TRIAL WITHOUT A JURY, AND THAT ANY PARTY TO THIS AGREEMENT MAY
FILE AN ORIGINAL COUNTERPART OR A COPY OF THIS SECTION WITH ANY COURT AS WRITTEN EVIDENCE OF THE
CONSENT OF THE SIGNATORIES HERETO TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY.

     12.20 USA PATRIOT Act Notice. Each Lender and the Administrative Agent (for itself and not on
behalf of any Lender) hereby notifies the Borrowers that pursuant to the requirements of the USA
Patriot Act (Title III of Pub. L. 107-56 (signed into law October 26, 2001)) (the “Act”),
it is required to obtain, verify and record information that identifies each Borrower, which
information includes the name and address of such Borrower and other information that will allow
such Lender or the Administrative Agent, as applicable, to identify such Borrower in accordance
with the Act.

     12.21 No Advisory or Fiduciary Responsibility. In connection with all aspects of each transaction
contemplated hereby, each Borrower acknowledges and agrees, and acknowledges its Affiliates’
understanding, that: (i) the credit facilities provided for hereunder and any related arranging or
other services in connection therewith (including in connection with any amendment, waiver or other
modification hereof or of any other Loan Document) are an arm’s-length commercial transaction
between the Borrowers and their respective Affiliates, on the one hand, and the Administrative
Agent and the Joint Lead Arrangers, on the other hand, and such Borrower is capable of evaluating
and understanding and understands and accepts the terms, risks and conditions of the transactions
contemplated hereby and by the other Loan Documents (including any amendment, waiver or other
modification hereof or thereof); (ii) in connection with the process leading to such transaction,
the Administrative Agent and each Joint Lead Arranger is and has been acting solely as a principal
and is not the financial advisor, agent or fiduciary for such Borrower or any of its Affiliates,
stockholders, creditors or employees or any other Person; (iii) neither the Administrative

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Agent nor any Joint Lead Arranger has assumed or will assume an advisory, agency or fiduciary
responsibility in favor of such Borrower or any other Loan Party with respect to any of the
transactions contemplated hereby or the process leading thereto, including with
respect to any amendment, waiver or other modification hereof or of any other Loan Document
(irrespective of whether the Administrative Agent or any Joint Lead Arranger has advised or is
currently advising such Borrower, any other Loan Party or any of their respective Affiliates on
other matters) and neither the Administrative Agent nor any Joint Lead Arranger has any obligation
to such Borrower, any other Loan Party or any of their respective Affiliates with respect to the
transactions contemplated hereby except those obligations expressly set forth herein and in the
other Loan Documents; (iv) the Administrative Agent and the Joint Lead Arrangers and their
respective Affiliates may be engaged in a broad range of transactions that involve interests that
differ from those of such Borrower, the other Loan Parties and their respective Affiliates, and
neither the Administrative Agent nor any Joint Lead Arranger has any obligation to disclose any of
such interests by virtue of any advisory, agency or fiduciary relationship; and (v) the
Administrative Agent and the Joint Lead Arrangers have not provided and will not provide any legal,
accounting, regulatory or tax advice with respect to any of the transactions contemplated hereby
(including any amendment, waiver or other modification hereof or of any other Loan Document) and
each of such Borrower and the other Loan Parties has consulted its own legal, accounting,
regulatory and tax advisors to the extent it has deemed appropriate. Each of the Borrower and the
other Loan Parties hereby waives and releases, to the fullest extent permitted by law, any claims
that it may have against the Administrative Agent and the Joint Lead Arranger with respect to any
breach or alleged breach of agency or fiduciary duty arising out of or related to any of the
transactions contemplated hereby or the process leading thereto.

     12.22 Special Provisions.

     (a) Restatement. This Agreement amends and restates in its entirety the Existing
Credit Agreement as of the Effective Date. In the event that this Agreement does not become
effective pursuant to Article VI on April 7, 2006 for any reason whatsoever, (a) this
Agreement shall be terminated and shall be of no force or effect and shall be treated as if it had
never been executed (and, for the avoidance of doubt, each representation or warranty of the US
Borrower or any of its Subsidiaries made hereunder or in any document delivered in connection
herewith shall be deemed to have never been made) and (b) this Agreement shall not be deemed or
construed to amend, supplement, or otherwise modify the Existing Credit Agreement in any respect
whatsoever.

     (b) Re-allocation of Commitments. On the Effective Date, (i) the Lenders hereby
authorize the Administrative Agent and the Borrowers to request Borrowings from the Lenders and to
make prepayments of US Committed Borrowings and Canadian Committed Borrowings (as such terms are
defined in the Existing Credit Agreement) in order to ensure that, upon the Effective Date, the US
Committed Borrowings and the Canadian Committed Borrowings under this Agreement shall be
outstanding on a ratable basis in accordance with the Pro Rata Shares of all the Lenders, and the
Lenders hereby agree to the foregoing and (ii) to the extent that the Commitment of a Lender under
the Existing Credit Agreement (its “Existing Commitment”) is more than such Lender’s
Commitment under this Agreement, such Lender hereby assigns such portion of such Existing
Commitment to the other Lenders, to the extent necessary to ensure that,
upon the Effective Date, the Commitments of the Lenders are as set forth in Schedule
2.01, and the other Lenders, as applicable, hereby accept such assignment and assume the
obligations of the assigning Lender with respect thereto. This subsection shall supersede any
provisions in Sections 4.05, 4.06 or 12.01 to the contrary.

     12.23 ENTIRE AGREEMENT. THIS AGREEMENT AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT
AMONG THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT
ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG THE PARTIES.

[Signature Pages Follow]

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     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed as of
the date first above written.

	 	 	 	 	 	 	 	 	 
	 	 	DEVON ENERGY
CORPORATION, as the US Borrower	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Jeffrey Agosta	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Jeffrey A. Agosta	 	 
	 	 	Title:	 	Vice President – Corporate Finance,	 	 
	 

	 	 	 	 	 	Treasurer	 	 
	 
	 	 	 	 	 	 	 	 
	 	 	NORTHSTAR ENERGY
CORPORATION, as a Canadian Borrower	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Paul Brereton	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Paul F. Brereton	 	 
	 	 	Title:	 	Vice President, Finance	 	 
	 
	 	 	 	 	 	 	 	 
	 	 	DEVON CANADA
CORPORATION, as a Canadian Borrower	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Paul Brereton	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Paul F. Brereton	 	 
	 	 	Title:	 	Vice President, Finance	 	 

S-1

 

	 	 	 	 	 	 	 	 	 
	 	 	BANK OF AMERICA,
N.A., as Administrative Agent	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Renita M. Cummings	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Renita M. Cummings	 	 
	 	 	Title:	 	Assistant Vice President	 	 

S-2

 

	 	 	 	 	 	 	 	 	 
	 	 	BANK OF AMERICA,
N.A., by its Canada branch, as Administrative Agent	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Medina Sales De Andrade	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Medina Sales De Andrade	 	 
	 	 	Title:	 	Assistant Vice President	 	 

S-3

 

	 	 	 	 	 	 	 	 	 
	 	 	BANK OF AMERICA,
N.A., as a Lender, a US L/C Issuer, and a US Swing Line Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Zewditu Menelik	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Zewditu Menelik	 	 
	 	 	Title:	 	Vice President	 	 

S-4

 

	 	 	 	 	 	 	 	 	 
	 	 	BANK OF AMERICA,
N.A., by its Canada branch, as a Canadian Lender, a Canadian L/C Issuer, and a Canadian Swing Line Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Medina Sales De Andrade	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Medina Sales De Andrade	 	 
	 	 	Title:	 	Assistant Vice President	 	 

S-5

 

	 	 	 	 	 	 	 	 	 
	 	 	JPMORGAN CHASE BANK,
N.A., as a Lender and a US L/C Issuer	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Robert Traband	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Robert Traband	 	 
	 	 	Title:	 	Vice President	 	 

S-6

 

	 	 	 	 	 	 	 	 	 
	 	 	JPMORGAN CHASE BANK,
N.A., Toronto Branch, as a Canadian Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Drew McDonald	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Drew McDonald	 	 
	 	 	Title:	 	Vice President	 	 

S-7

 

	 	 	 	 	 	 	 	 	 
	 	 	ABN AMRO BANK N.V., as a Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Joshua Wolf	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Joshua Wolf	 	 
	 	 	Title:	 	Vice President	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Todd D. Vaubel	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Todd D. Vaubel	 	 
	 	 	Title:	 	Assistant Vice President	 	 

S-8

 

	 	 	 	 	 	 	 	 	 
	 	 	ABN AMRO BANK N.V., as a Canadian Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Joshua Wolf	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Joshua Wolf	 	 
	 	 	Title:	 	Vice President	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Todd D. Vaubel	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Todd D. Vaubel	 	 
	 	 	Title:	 	Assistant Vice President	 	 

S-9

 

	 	 	 	 	 	 	 	 	 
	 	 	HARRIS NESBITT FINANCING, INC., as a Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ James V. Ducote	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	James V. Ducote	 	 
	 	 	Title:	 	Vice President	 	 

S-10

 

	 	 	 	 	 	 	 	 	 
	 	 	BANK OF MONTREAL, as a Canadian Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ James V. Ducote	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	James V. Ducote	 	 
	 	 	Title:	 	Vice President	 	 

S-11

 

	 	 	 	 	 	 	 	 	 
	 	 	BARCLAYS BANK PLC, as a Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Nicholas Bell	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Nicholas Bell	 	 
	 	 	Title:	 	Director	 	 

S-12

 

	 	 	 	 	 	 	 	 	 
	 	 	BAYERISCHE LANDESBANK, CAYMAN	 	 
	 	 	ISLANDS BRANCH, as a Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Stephen Christenson	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Stephen Christenson	 	 
	 	 	Title:	 	First Vice President	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Norman McClave	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Norman McClave	 	 
	 	 	Title:	 	First Vice President	 	 

S-13

 

	 	 	 	 	 	 	 	 	 
	 	 	BNP PARIBAS, as a Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Betsy Jocher	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Betsy Jocher	 	 
	 	 	Title:	 	Vice President	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Polly Schott	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Polly Schott	 	 
	 	 	Title:	 	Vice President	 	 

S-14

 

	 	 	 	 	 	 	 	 	 
	 	 	BNP PARIBAS (CANADA), as a Canadian Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Edward Pak	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Edward Pak	 	 
	 	 	Title:	 	Vice President	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Jean-Philippe Cadot	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Jean-Philippe Cadot	 	 
	 	 	Title:	 	Director	 	 

S-15

 

	 	 	 	 	 	 	 	 	 
	 	 	CITICORP USA, INC., as a Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Simon Walker	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Simon Walker	 	 
	 	 	Title:	 	Vice President	 	 

S-16

 

	 	 	 	 	 	 	 	 	 
	 	 	CITIBANK N.A.,
CANADIAN BRANCH, as a Canadian Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Niyousha Zarinpour	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Niyousha Zarinpour	 	 
	 	 	Title:	 	Authorised Signer	 	 

S-17

 

	 	 	 	 	 	 	 	 	 
	 	 	CREDIT SUISSE,
Cayman Islands Branch, as a Lender	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Paul L. Colon	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Paul L. Colon	 	 
	 	 	Title:	 	Director	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:
	 	 	 	/s/ Shaheen Malik	 	 
	 	 	 	 	 	 	 
	 	 	Name:	 	Shaheen Malik	 	 
	 	 	Title:	 	Associate	 	 

S-18

 

	 	 	 	 	 	 	 
	 	 	CREDIT SUISSE TORONTO BRANCH, as a Canadian Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Alain Daoust
	 	 	 	 	 
	 	 	Name:	 	Alain Daoust
	 	 	Title:	 	Director
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Steve W. Fuh
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Steve W. Fuh
	 

	 	Title:
	 	 	 	Vice-President Financial Control

S-19

 

	 	 	 	 	 	 	 
	 	 	DEUTSCHE BANK AG NEW YORK BRANCH, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Rainer Meier
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Rainer Meier
	 

	 	Title:
	 	 	 	Vice President
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Ming K. Chu
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Ming. K. Chu
	 

	 	Title:
	 	 	 	Vice President

S-20

 

	 	 	 	 	 	 	 
	 	 	DEUTSCHE BANK AG CANADA BRANCH, as a Canadian Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Robert Johnston
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Robert Johnston
	 

	 	Title:
	 	 	 	Vice-President
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Paul Jurist
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Paul Jurist
	 

	 	Title:
	 	 	 	Managing Director and Principal Officer

S-21

 

	 	 	 	 	 	 	 
	 	 	DnB NOR Bank ASA, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Espen Kvilekval
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Espen Kvilekval
	 

	 	Title:
	 	 	 	SVP
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Peter Dodge
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Peter Dodge
	 

	 	Title:
	 	 	 	SVP

S-22

 

	 	 	 	 	 	 	 
	 	 	MERRILL LYNCH BANK USA, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Louis Alder
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Louis Alder
	 

	 	Title:
	 	 	 	Director

S-23

 

	 	 	 	 	 	 	 
	 	 	MORGAN STANLEY BANK, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Daniel Twenge
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Daniel Twenge
	 

	 	Title:
	 	 	 	Vice President

S-24

 

	 	 	 	 	 	 	 
	 	 	ROYAL BANK OF CANADA, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Linda M. Stephens
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Linda M. Stephens
	 

	 	Title:
	 	 	 	Authorized Signatory

S-25

 

	 	 	 	 	 	 	 
	 	 	ROYAL BANK OF CANADA, as a Canadian Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Debra Giles
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Debra A. Giles
	 

	 	Title:
	 	 	 	Authorized Signatory

S-26

 

	 	 	 	 	 	 	 
	 	 	SOCIETE GENERALE, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Josh Rogers
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Josh Rogers
	 

	 	Title:
	 	 	 	Vice President

S-27

 

	 	 	 	 	 	 	 
	 	 	SOCIETE GENERALE (CANADA BRANCH), as a Canadian Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ David Baldoni
	 	 	 	 	 
	 

	 	Name:
	 	 	 	David Baldoni
	 

	 	Title:
	 	 	 	Managing Director, Corporate Credit Group
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Paul Primavesi
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Paul Primavesi
	 

	 	Title:
	 	 	 	Vice-president, Corporate Credit Group

S-28

 

	 	 	 	 	 	 	 
	 	 	THE BANK OF NEW YORK, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Raymond J. Palmer
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Raymond J. Palmer
	 

	 	Title:
	 	 	 	Vice President

S-29

 

	 	 	 	 	 	 	 
	 	 	THE BANK OF TOKYO-MITSUBISHI UFJ, LTD., as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ John McGhee
	 	 	 	 	 
	 

	 	Name:
	 	 	 	John McGhee
	 

	 	Title:
	 	 	 	Vice-President & Manager

S-30

 

	 	 	 	 	 	 	 
	 	 	UBS LOAN FINANCE LLC, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Irja R. Osta
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Irja R. Osta
	 

	 	Title:
	 	 	 	Associate Director Banking Products
	 

	 	 	 	 	 	Services,US
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Pamela Oh
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Pamela Oh
	 

	 	Title:
	 	 	 	Associate Director Banking Products
Services, US

S-31

 

	 	 	 	 	 	 	 
	 	 	UBS AG CANADA BRANCH, as a Canadian Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Amy Fung
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Amy Fung
	 

	 	Title:
	 	 	 	Director
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Stephen Gerry
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Stephen Gerry
	 

	 	Title:
	 	 	 	Director

S-32

 

	 	 	 	 	 	 	 
	 	 	UMB BANK, n.a., as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Mary Wolf
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Mary Wolf
	 

	 	Title:
	 	 	 	Sr. Vice President

S-33

 

	 	 	 	 	 	 	 
	 	 	WACHOVIA BANK, NATIONAL ASSOCIATION, as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Paul Pritchett
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Paul Pritchett
	 

	 	Title:
	 	 	 	Vice President

S-34

 

	 	 	 	 	 	 	 
	 	 	WELLS FARGO BANK, N.A., as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Dustin S. Hansen
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Dustin S. Hansen
	 

	 	Title:
	 	 	 	Assistant Vice President

S-35

 

	 	 	 	 	 	 	 
	 	 	WILLIAMS STREET COMMITMENT CORPORATION, (Recourse
only to assets of William Street Commitment
Corporation), as a Lender
	 
	 	 	 	 	 	 
	 	 	By:	 	     /s/ Mark Walton
	 	 	 	 	 
	 

	 	Name:
	 	 	 	Mark Walton
	 

	 	Title:
	 	 	 	Assistant Vice President

S-36exv10w1

 

Exhibit 10.1

THE CLOROX COMPANY

INTERIM EXECUTIVE OFFICER

DEFERRED COMPENSATION PLAN

	1.	 	Establishment, Objectives, Duration.

     The Clorox Company (hereinafter referred to as the “Company”) hereby establishes a
nonqualified deferred compensation plan for certain Interim Executive Officers of the Company (as
defined below) to be known as the “The Clorox Company Interim Executive Officer Deferred
Compensation Plan” (hereinafter referred to as the “Plan”).

     The purpose of the Plan is to permit certain amounts payable by the Company or any of its
subsidiaries to an Interim Executive Officer to be deferred to a future period. The Plan is
designed to permit Interim Executive Officers to defer the receipt of all or a portion of the
compensation otherwise payable to them for services provided to the Company as an employee.

     The Plan is effective as of April 28, 2006. The Plan will remain in effect until such time as
it shall be terminated by the Board, pursuant to Section 11 herein.

	2.	 	Definitions.

     The following terms, when capitalized, shall have the meanings set forth below:

     (a)     “Account” means a bookkeeping account established and maintained for a
Participant pursuant to Section 5(a).

     (b)     “Beneficiary” means the person, persons or entity designated by a Participant
pursuant to Section 10 to receive any benefits payable under the Plan.

     (c)     “Board” means the Board of Directors of the Company or a committee of the Board
of Directors of the Company.

     (d)     “Change in Control” means the effective date of any one of the following events
but only to the extent that such change in control transaction is a change in the ownership or
effective control of the Company or a change in the ownership of a substantial portion of the
assets of the Company as defined in the regulations promulgated under Section 409A of the Code:

     (i)     The acquisition by any individual, entity or group (within the meaning of Section
13(d)(3) or 14(d)(2) of the Exchange Act ) (a “Person”) of beneficial ownership (within the
meaning of Rule 13d-3 promulgated under the Exchange Act) of 30% of either (a) the then
outstanding shares of common stock of the Company (the “Outstanding Company Common Stock”)
or (b) the combined voting power of the then outstanding voting securities of the Company
entitled to vote generally in the election of directors (the “Outstanding Company Voting
Securities”); provided, however, that for purposes of this subparagraph (i), the following
acquisitions shall not constitute a Change in Control:

 

 

(a) any acquisition directly from the Company, (b) any acquisition by the Company,
including any acquisition which, by reducing the number of shares outstanding, is the sole
cause for increasing the percentage of shares beneficially owned by any such Person to more
than the applicable percentage set forth above, (c) any acquisition by any employee benefit
plan (or related trust) sponsored or maintained by the Company or any corporation controlled
by the Company or (d) any acquisition by any corporation pursuant to a transaction which
complies with clauses (a), (b) and (c) of subparagraph (iii) of this definition; or

     (ii)     Individuals who, as of the date hereof, constitute the Board (the “Incumbent
Board”) cease for any reason within any period of 24 months to constitute at least a
majority of the Board; provided, however, that any individual becoming a director subsequent
to the date hereof whose election, or nomination for election by the Company’s stockholders,
was approved by a vote of at least a majority of the directors then comprising the Incumbent
Board, shall be considered as though such individual were a member of the Incumbent Board,
but excluding, for this purpose, any such individual whose initial assumption of office
occurs as a result of an actual or threatened election contest with respect to the election
or removal of directors or other actual or threatened solicitation of proxies or consents by
or on behalf of a Person other than the Board; or

     (iii)     Consummation by the Company of a reorganization, merger or consolidation or sale
or other disposition of all or substantially all of the assets of the Company or the
acquisition of assets of another corporation (a “Business Combination”), in each case,
unless, following such Business Combination, (a) more than 50% of, respectively, the then
outstanding shares of common stock and the combined voting power of the then outstanding
voting securities entitled to vote generally in the election of directors, as the case may
be, of the corporation resulting from such Business Combination (including without
limitation, a corporation which as a result of such transaction owns the Company or all or
substantially all of the Company’s assets either directly or through one or more
subsidiaries) is represented by Outstanding Company Common Stock and Outstanding Company
Voting Securities, respectively, that were outstanding immediately prior to such Business
Combination (or, if applicable, is represented by shares into which such Outstanding Company
Common Stock and Outstanding Company Voting Securities were converted pursuant to such
Business Combination) and such ownership of common stock and voting power among the holders
thereof is in substantially the same proportions as their ownership, immediately prior to
such Business Combination of the Outstanding Company Common Stock and Outstanding Company
Voting Securities, as the case may be, (b) no Person (excluding any employee benefit plan
(or related trust) of the Company or such corporation resulting from such Business
Combination) beneficially owns, directly or indirectly, 20% or more of, respectively, the
then outstanding shares of the corporation resulting from such Business Combination or the
combined voting power of the then outstanding voting securities of such corporation except
to the extent that such ownership existed prior to the Business Combination and (c) at least
a majority of the members of the board of directors of the corporation resulting from such
Business Combination were members of the

2

 

Incumbent Board at the time of the execution of the initial agreement, or of the action
of the Board, providing for such Business Combination.

     (e)     “Code” means the Internal Revenue Code of 1986, as amended.

     (f)     “Company” means The Clorox Company and any successor thereto as provided in
Section 12(d).

     (g)     “Compensation” for a Plan Year means a Participant’s pre-tax cash compensation,
including base salary and bonus, which would otherwise be payable to the Participant in the Plan
Year.

     (h)     “Deferred Stock Unit” means a hypothetical Share as described in Section 5(b).

     (i)     “Exchange Act” means the Securities Exchange Act of 1934, as amended.

     (j)     “Fair Market Value” means, as of any date, the value of a Share determined as
follows:

     (i)     Where there exists a public market for the Share, the Fair Market Value shall be
(a) the closing sales price for a Share for the last market trading day prior to the time of
the determination (or, if no sales were reported on that date, on the last trading date on
which sales were reported) on the New York Stock Exchange, the NASDAQ National Market or the
principal securities exchange on which the Share is listed for trading, whichever is
applicable, or (b) if the Share is not traded on any such exchange or national market
system, the average of the closing bid and asked prices of a Share on the NASDAQ Small Cap
Market, in each case, as reported in The Wall Street Journal or such other source as the
Board deems reliable; or

     (ii)     In the absence of an established market of the type described above for the Share,
the Fair Market Value thereof shall be determined by the Board in good faith, and such
determination shall be conclusive and binding on all persons.

     (k)     “Interim Executive Officer” means an Interim Chief Executive Officer, Interim
President or Interim Chairman who is also an employee of the Company.

     (l)     “Participant” means an Interim Executive Officer who elects to participate by
filing a Participation Agreement as provided in Section 4.

     (m)     “Participation Agreement” means an agreement in such form as the Board may
prescribe filed by a Participant in accordance with Section 4.

     (n)     “Payment Anniversary Date” means an anniversary of the Payment Commencement Date.

     (o)     “Payment Commencement Date” means the first business day of the Plan Year
immediately following the later of the Plan Year in which a Participant (i) terminates

3

 

employment with the Company and all of its subsidiaries and (ii) in the event the Participant
is a member of the Board, terminates service as a member of the Board.

     (p)     “Plan” means The Clorox Company Interim Executive Officer Deferred Compensation
Plan, as amended from time to time.

     (q)     “Plan Year” means the calendar year.

     (r)     “Share” means a share of common stock of the Company, par value $1.00 per share.

	3.	 	Administration of the Plan.

     (a)     In General. The Plan shall be administered by the Board. The Board shall act by
vote or written consent of a majority of its members.

     (b)     Authority of the Board. Subject to applicable laws and the provisions of the
Plan, the Board shall have full and final authority in its discretion to establish rules and take
all actions, including, without limitation, interpreting the terms of the Plan and any related
rules or regulations or other documents enacted hereunder and deciding all questions of fact
arising in their application, determined by the Board to be necessary in the administration of the
Plan.

     (c)     Effect of Board’s Decision. All decisions, determinations and interpretations of
the Board shall be final, binding and conclusive on all persons, including the Company, its
stockholders, Participants and their estates and Beneficiaries.

     (d)     Delegation. The Board may delegate to any Board committee or officers of the
Company any and all authority with which it is vested under the Plan, and the Board may allocate
its responsibilities under the Plan among its members.

	4.	 	Participation and Crediting of Accounts.

     (a)     Participation. Participation in the Plan shall be limited to Interim Executive
Officers. A Participation Agreement must be filed by a Participant prior to the beginning of the
Plan Year for which it is effective; provided, however, that in the first year in which a
Participant becomes eligible to participate in the Plan, the newly eligible Participant may make
an election to defer Compensation for employment services to be performed subsequent to such
election within 30 days after date the individual first becomes eligible to participate.

4

 

     (b)     Contents of Participation Agreement.

     (i)     Each Participation Agreement shall set forth whether a Participant elects to
receive Compensation in cash, deferred cash or Deferred Stock Units. A Participant who does
not file a timely Participation Agreement for a Plan Year shall receive his or her
Compensation in cash.

     (ii)     A Participant who elects to receive his or her Compensation in deferred cash
and/or Deferred Stock Units shall specify the percentage of such Compensation (in multiples
of 10%) to be paid in deferred cash or Deferred Stock Units.

     (iii)     Each Participation Agreement shall set forth whether amounts deferred pursuant to
Section 4(b)(i) and (ii) above will be paid as a lump sum payment or in five annual
installments, as set forth in Section 6(c) herein.

     (c)     Crediting of Accounts.

     (i)     A Participant who elects to receive all or a portion of his or her Compensation as
deferred cash shall have credited to his or her Account as of the last day of each calendar
quarter an amount determined by multiplying the Participant’s accrued Compensation for the
quarter by the percentage of such Compensation previously selected by the Participant to be
received as deferred cash.

     (ii)     A Participant who elects to receive all or a portion of his or her Compensation as
Deferred Stock Units shall have credited to his or her Account as of the last day of each
calendar quarter the number of Deferred Stock Units (including fractional Deferred Stock
Units) determined by multiplying the Participant’s accrued Compensation for the quarter by
the percentage of Compensation previously selected by the Participant to be applied to the
purchase of Deferred Stock Units, and dividing the product thereof by the Fair Market Value
of a Share as of the last trading day in such calendar quarter.

     (d)     Modification or Revocation of Election by Participant. Elections made pursuant
to Sections 4(b)(i) and (ii) shall remain in effect for the next Plan Year and for subsequent Plan
Years unless and until a new Participation Agreement is provided. Any elections made under a new
Participation Agreement will apply only to Compensation earned in the Plan Year beginning after
the date of the new Participation Agreement.

5

 

	5.	 	Maintenance and Investment of Accounts.

     (a)     Accounts. An Account shall be maintained for each Participant. In addition,
various subaccounts may be maintained for a Participant as necessary to reflect separate
Participation Agreements, cash deferrals, and Deferred Stock Units. A Participant’s Account
shall be utilized solely as a device for measurement and determination of the amounts to be paid
to the Participant pursuant to the Plan, and shall not constitute or be treated as a trust fund of
any kind. The balance of a Participant’s Account shall be adjusted to reflect changes in the
value of the deemed investments thereof, adjustments, credits and debits pursuant to Section 5(b)
and (c) below and distributions pursuant to Section 6.

     (b)     Deferred Stock Units.

     (i)     Deemed Investment in Shares. If a Participant elects to receive Deferred Stock
Units, his or her Account shall be treated as if it were invested in Deferred Stock Units
equivalent in value to the Fair Market Value of Shares in accordance with the following
rules:

	 	(a)	 	Deemed Reinvestment of Dividend Equivalents.
The number of Deferred Stock Units credited to a Participant’s Account
shall be increased on each date on which a dividend is paid on Shares.
The number of additional Deferred Stock Units credited to a
Participant’s Account as a result of such increase shall be determined
by (1) multiplying the total number of Deferred Stock Units (excluding
fractional Deferred Stock Units) credited to the Participant’s Account
immediately before such increase by the amount of the dividend paid per
Share on the dividend payment date, and (2) dividing the product so
determined by the Fair Market Value of a Share on the dividend payment
date.
	 
	 	(b)	 	Adjustments upon Change in Capitalization. In
the event of any merger, reorganization consolidation,
recapitalization, liquidation, stock dividend, split-up, spin-off,
stock split, reverse stock split, share combination, share exchange,
extraordinary dividend, or any change in the corporate structure
affecting the Shares, the number of Deferred Stock Units credited to a
Participant’s Account and/or the kind or class of shares deliverable
under the Plan shall be adjusted in such manner as may be determined to
be appropriate and equitable by the Board, in its sole discretion, to
prevent dilution or enlargement of benefits or potential benefits
intended to be made available under the Plan. The determination of the
Board as to such adjustments, if any, to be made shall be conclusive
and binding on all Participants and Beneficiaries.

     (ii)     Hypothetical Nature of Investments. The Deferred Stock Units established
hereunder shall be used solely to determine the amounts to be paid hereunder, shall not be
or represent an equity security of the Company, shall not be convertible into or otherwise

6

 

entitle a Participant to acquire an equity security of the Company and shall not carry
any voting rights.

     (c)     Cash Deferrals.

     (i)     Deemed Investment Options. The Board may permit a Participant to request that
earnings on his or her cash deferrals be credited as though the cash deferrals were invested
in one or more deemed investment options approved by the Board. Initially the deemed
investment options shall include cash with an interest factor and the S&P 500 Index,
ex-dividend. The Board may, in its sole discretion, discontinue, substitute or add any
deemed investment option prospectively at any time. Each Participant may select how the
cash portion of his or her Account shall be allocated among such deemed investments options,
in accordance with procedures adopted by the Board.

     (ii)     Interest and Valuation of Assets. To the extent that a Participant’s cash
deferrals are allocated to cash with an interest factor, such cash deferrals shall be
credited with interest at an annual rate for each Plan Year equal to the Prime Lending Rate
of Wells Fargo Bank as in effect on January 1 of such year. Interest shall be accrued to
the date of payment (as determined in accordance with Section 6(a)) and shall be compounded
on a calendar quarter basis. To the extent a Participant elects to have the cash portion of
his or her Account allocated to a deemed investment option other than cash with an interest
factor, the market value of the assets that would have been held in each of the deemed
investment options shall be determined by the Board in accordance with generally accepted
valuation principles, consistently applied and, the Participant’s Account will be adjusted
each business day the New York Stock Exchange is open for business for earnings, gains and
losses as if it were invested in the deemed investments elected by the Participant.

     (iii)     Hypothetical Nature of Investments. The deemed investment options established
hereunder shall be used solely for measurement purposes only and a Participant’s election of
any such deemed investment option and the allocation of earnings to his or her Account
thereto, shall not be considered or construed in any manner as an actual investment of the
Participant’s Account in any such investment option. In the event that the Company, in its
own discretion, decides to invest funds in any or all of the investment options, the
Participant shall not have any rights in or to such investments themselves.

7

 

	6.	 	Payments.

     (a)     Time of Payment. Payments to a Participant with respect to his or her Account
shall begin as of the Participant’s Payment Commencement Date; provided, however, that if the
Participant dies before his or her Payment Commencement Date, payment of the entire value of the
Participant’s Account shall be made to the Participant’s Beneficiary in accordance with the
provisions of Section 6(c) below after the Board receives all documents and other information that
it requests in connection with the payment.

     (b)     Medium of Payment. Except to the extent the Board determines otherwise, the
portion of a Participant’s Account denominated in Deferred Stock Units shall be paid in Shares.
One Share shall be paid for each whole Deferred Stock Unit contained therein, and any fractional
Deferred Stock Units shall be paid in cash. The portion of a Participant’s Account denominated in
cash shall be paid in cash.

     (c)     Form of Payment.

     (i)     Lump Sum. A Participant shall receive his or her Account under the Plan in the
form of a lump sum payment unless the Participant has elected to receive any portion thereof
in five annual installments in accordance with Section 6(c)(ii). The lump sum shall be
payable to the Participant in cash and/or Shares on the Payment Commencement Date. If the
Participant dies before his or her Payment Commencement Date, a lump sum payment shall be
made to the Participant’s Beneficiary on the Payment Commencement Date.

     (ii)     Five Annual Installments. A Participant may elect to receive all or a portion of
his or her Account under the Plan in five annual installments. Such election must be made
in the Participant’s Participation Agreement pursuant to Section 4. Annual installments
shall be payable to the Participant in cash and/or Shares beginning as of the Payment
Commencement Date and continuing each Payment Anniversary Date thereafter until all
installments have been paid. The first annual installment shall equal one-fifth
(1/5th) of the value of the Participant’s Account(s), determined as of the
Payment Commencement Date. Each successive annual installment shall equal the value of the
Participant’s Account(s), determined as of the Payment Anniversary Date, multiplied by a
fraction, the numerator of which is one, and the denominator of which is the excess of five
over the number of installment payments previously made (i.e., 1/4th in year 2,
1/3rd in year 3, etc.). If the Participant dies before his or her Payment
Commencement Date having elected to receive benefits in five annual installments, or after
the Participant’s Payment Commencement Date but before all five installments have been paid,
the remaining installments shall be paid to the Participant’s Beneficiary in accordance with
the schedule in this Section 6(c)(ii).

	7.	 	Shares Subject to the Plan.

     Unless otherwise determined by the Board, payments under the Plan that are made in the form of
Shares, in whole or in part, shall be made from the aggregate number of Shares authorized to be
issued under and otherwise in accordance with the terms of The Clorox

8

 

Company 2005 Stock Incentive Plan (or any successor stock incentive plan approved by the
stockholders of the Company). No Shares are reserved for issuance under the Plan.

	8.	 	Change in Control.

     Except as otherwise provided by the Board, upon the occurrence of a Change in Control or as
soon as reasonably practicable thereafter, the value of all amounts deferred by a Participant which
have not yet been credited to the Participant’s Account and the value of such Participant’s Account
shall be paid to the Participant, in each case as a lump sum cash payment. For purposes of
payments under this Section 8, the value of a Deferred Stock Unit shall be computed as the greater
of (a) the Fair Market Value of a Share on or nearest the date on which the Change in Control is
deemed to occur, or (b) the highest per share price for Shares actually paid in connection with the
Change in Control.

	9.	 	Taxes.

     The Company shall have the power and right to (i) deduct or withhold from all credits,
payments, and amounts deferred under the Plan, or from other compensation payable to a Participant
or his or her Beneficiary, including shares, amounts required by law to be withheld for taxes and
(ii) require the Participant to remit to the Company an amount sufficient to satisfy any Federal,
state or local tax withholding requirements, with respect to benefits under this Plan.

	10.	 	Beneficiary Designation.

     (a)     Beneficiary Designation. Each Participant shall have the right, at any time, to
designate any person, persons or entity as his or her Beneficiary or Beneficiaries. A Beneficiary
designation shall be made, and may be amended, by the Participant by filing a written designation
with the Board, on such form and in accordance with such procedures as the Board shall establish
from time to time.

     (b)     No Beneficiary Designation. If a Participant fails to designate a Beneficiary as
provided above, or if all designated Beneficiaries predecease the Participant, then the
Participant’s Beneficiary shall be deemed to be the Participant’s estate.

	11.	 	Amendment or Termination of the Plan.

     The Board may at any time and from time to time, amend, suspend or terminate the Plan in whole
or in part; provided, however, that no such amendment, suspension or termination shall adversely
affect the rights of any Participant or Beneficiary under the Plan unless consented to in writing
by such Participant or, in the event the Participant is deceased, the Beneficiary.

	12.	 	Miscellaneous.

     (a)     Gender, Number and References. Except where otherwise indicated by the context,
any masculine term used herein also shall include the feminine, the plural shall include the
singular and the singular shall include the plural. Any reference in the Plan to a Section of the
Plan or to an act or code or to any section thereof or rule or regulation thereunder shall be

9

 

deemed to refer to such Section of the Plan, act, code, section, rule or regulation, as may
be amended from time to time, or to any successor Section of the Plan, act, code, section, rule or
regulation.

     (b)     No Assignment. Except as specifically set forth in the Plan with respect to the
designation of Beneficiaries and as otherwise required by applicable law, any interest, benefit,
payment, claim or right of any Participant under the Plan shall not be sold, transferred,
assigned, pledged, encumbered or hypothecated by any Participant and shall not be subject in any
manner to any claims of any creditor of any Participant or Beneficiary, and any attempt to take
any such action shall be null and void.

     (c)     Severability. In the event any provision of the Plan shall be held illegal or
invalid for any reason, the illegality or invalidity shall not affect the remaining parts of the
Plan, and the Plan shall be construed and enforced as if the illegal or invalid provision had not
been included.

     (d)     Successors. All obligations of the Company under the Plan shall be binding on
any successor to the Company, whether the existence of such successors is the result of a direct
or indirect purchase, merger, consolidation, or other event, or a sale or disposition of all or
substantially all of the business and/or assets of the Company and references to the “Company”
herein any in any Participation Agreements shall be deemed to refer to such successors.

     (e)     Requirements of Law. The payment of cash or Shares under the Plan shall be
subject to all applicable laws and to such approvals by any governmental agencies or national
securities exchanges as may be required.

     (f)     Not an Employment Contract. This Plan is not and shall not be deemed to
constitute a contract of employment between the Company and a Participant. Nothing in this Plan
shall alter a Participant’s status as an “at-will” employee of the Company, unless otherwise
provided in the Participant’s employment, management retention, change in control, severance or
similar agreement between the Participant and the Company or any of its subsidiaries, or be
construed as guaranteeing employment by, or as giving a Participant any right to continue in the
employ of the Company or any of its subsidiaries during any period or as limiting or restricting
the right of the Company to terminate a Participant’s employment at any time, for any reason, with
or without cause.

     (g)     Unfunded Plan. The Plan is intended to be an unfunded plan benefiting persons
who are a select group of management of highly compensated employees within the meaning of ERISA.
All payments pursuant to the Plan will be made from the general assets of the Company, and the
rights of Participants and Beneficiaries under the Plan will be only those of general unsecured
creditors of the Company.

     (h)     Governing Law. To the extent not preempted by federal law, the Plan shall be
construed in accordance with and governed by the laws of the State of California, excluding any
conflicts or choice of law rule or principle that might otherwise refer construction or
interpretation of this Plan to the substantive law of another jurisdiction.

10

 

     (i)     Non-Exclusive Plan. The adoption of the Plan by the Board shall not be construed as
creating any limitations on the power of the Board or a committee thereof to adopt such other
incentive arrangements as it may deem desirable.

     (j)     Code Section 409A Compliance. To the extent applicable, it is intended that this
Plan and all deferrals and payments made hereunder comply with the requirements of Section 409A of
the Code and any related regulations or other guidance promulgated with respect to such Section by
the U.S. Department of the Treasury or the Internal Revenue Service (“Section 409A”). Any
provision that would cause the Plan or any deferral or payment made hereunder to fail to satisfy
Section 409A shall have no force or effect until amended to comply with Section 409A, which
amendment may be retroactive to the extent permitted by Section 409A.

11

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