Document:

exv10w20

 

Exhibit 10.20

REVOLVING CREDIT AGREEMENT

dated as of

January 5, 2007

among

DUNCAN ENERGY PARTNERS L.P.

The Lenders Party Hereto

WACHOVIA BANK, NATIONAL ASSOCIATION,

as Administrative Agent

THE BANK OF NOVA SCOTIA and CITIBANK, N.A.,

as Co-Syndication Agents

JPMORGAN CHASE BANK, N.A. and MIZUHO CORPORATE BANK, LTD.

as Co-Documentation Agents

 

WACHOVIA CAPITAL MARKETS, LLC,

THE BANK OF NOVA SCOTIA and CITIGROUP GLOBAL MARKETS INC.,

as Joint Lead Arrangers and Joint Book Runners

4-Year $300,000,000 Senior Unsecured Revolving Credit Facility

 

 

TABLE OF CONTENTS

	 	 	 	 	 
	ARTICLE I Definitions
	 	 	1	 
	 
	 	 	 	 
	SECTION 1.01. Defined Terms
	 	 	1	 
	SECTION 1.02. Classification of Loans and Borrowings
	 	 	21	 
	SECTION 1.03. Terms Generally
	 	 	21	 
	SECTION 1.04. Accounting Terms; GAAP
	 	 	22	 
	 
	 	 	 	 
	ARTICLE II The Credits
	 	 	22	 
	 
	 	 	 	 
	SECTION 2.01. Commitments
	 	 	22	 
	SECTION 2.02. Loans and Borrowings
	 	 	23	 
	SECTION 2.03. Requests for Revolving Borrowings
	 	 	24	 
	SECTION 2.04. Competitive Bid Procedure
	 	 	24	 
	SECTION 2.05. Swingline Loans
	 	 	26	 
	SECTION 2.06. Letters of Credit
	 	 	27	 
	SECTION 2.07. Funding of Borrowings
	 	 	31	 
	SECTION 2.08. Interest Elections
	 	 	32	 
	SECTION 2.09. Termination and Reduction of Commitments
	 	 	33	 
	SECTION 2.10. Repayment of Loans; Evidence of Debt
	 	 	33	 
	SECTION 2.11. Prepayment of Loans
	 	 	34	 
	SECTION 2.12. Fees
	 	 	35	 
	SECTION 2.13. Interest
	 	 	36	 
	SECTION 2.14. Alternate Rate of Interest
	 	 	37	 
	SECTION 2.15. Illegality; Increased Costs
	 	 	37	 
	SECTION 2.16. Break Funding Payments
	 	 	39	 
	SECTION 2.17. Taxes
	 	 	39	 
	SECTION
2.18. Payments Generally; Pro Rata Treatment; Sharing of Set-offs
	 	 	40	 
	SECTION 2.19. Mitigation Obligations; Replacement of Lenders
	 	 	42	 
	SECTION 2.20. Separateness
	 	 	43	 
	 
	 	 	 	 
	ARTICLE III Representations and Warranties
	 	 	43	 
	 
	 	 	 	 
	SECTION 3.01. Organization; Powers
	 	 	43	 
	SECTION 3.02. Authorization; Enforceability
	 	 	43	 
	SECTION 3.03. Governmental Approvals; No Conflicts
	 	 	44	 
	SECTION 3.04. Financial Condition; No Material Adverse Change
	 	 	44	 
	SECTION 3.05. Litigation and Environmental Matters
	 	 	44	 
	SECTION 3.06. Compliance with Laws
	 	 	45	 
	SECTION 3.07. Investment and Holding Company Status
	 	 	45	 
	SECTION 3.08. Taxes
	 	 	45	 
	SECTION 3.09. ERISA
	 	 	45	 
	SECTION 3.10. Disclosure
	 	 	45	 
	SECTION 3.11. Subsidiaries
	 	 	45	 
	SECTION 3.12. Margin Securities
	 	 	45	 
	 
	 	 	 	 
	ARTICLE IV Conditions
	 	 	46	 
	 
	 	 	 	 
	SECTION 4.01. Effective Date
	 	 	46	 
	SECTION 4.02. Each Credit Event
	 	 	47	 
	 
	 	 	 	 
	ARTICLE V Affirmative Covenants
	 	 	48	 

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	SECTION 5.01. Financial Statements and Other Information
	 	 	48	 
	SECTION 5.02. Notices of Material Events
	 	 	49	 
	SECTION 5.03. Existence; Conduct of Business
	 	 	49	 
	SECTION 5.04. Maintenance of Properties; Insurance
	 	 	49	 
	SECTION 5.05. Books and Records; Inspection Rights
	 	 	49	 
	SECTION 5.06. Compliance with Laws
	 	 	49	 
	SECTION 5.07. Use of Proceeds and Letters of Credit
	 	 	49	 
	SECTION 5.08. Environmental Matters
	 	 	50	 
	SECTION 5.09. ERISA Information
	 	 	50	 
	SECTION 5.10. Taxes
	 	 	50	 
	 
	 	 	 	 
	ARTICLE VI Negative Covenants
	 	 	50	 
	 
	 	 	 	 
	SECTION 6.01. Indebtedness
	 	 	51	 
	SECTION 6.02. Liens
	 	 	51	 
	SECTION 6.03. Fundamental Changes
	 	 	52	 
	SECTION 6.04. Investment Restriction
	 	 	52	 
	SECTION 6.05. Restricted Payments
	 	 	52	 
	SECTION 6.06. Restrictive Agreements
	 	 	53	 
	SECTION 6.07. Financial Condition Covenants
	 	 	53	 
	SECTION 6.08. Asset Dispositions
	 	 	55	 
	SECTION 6.09. Affiliate Transactions
	 	 	55	 
	 
	 	 	 	 
	ARTICLE VII Events of Default
	 	 	56	 
	 
	 	 	 	 
	ARTICLE VIII The Administrative Agent
	 	 	58	 
	 
	 	 	 	 
	ARTICLE IX Miscellaneous
	 	 	60	 
	 
	 	 	 	 
	SECTION 9.01. Notices
	 	 	60	 
	SECTION 9.02. Waivers; Amendments
	 	 	62	 
	SECTION 9.03. Expenses; Indemnity; Damage Waiver
	 	 	63	 
	SECTION 9.04. Successors and Assigns
	 	 	64	 
	SECTION 9.05. Survival
	 	 	66	 
	SECTION 9.06. Counterparts; Integration; Effectiveness
	 	 	66	 
	SECTION 9.07. Severability
	 	 	67	 
	SECTION 9.08. Right of Setoff
	 	 	67	 
	SECTION 9.09. Governing Law; Jurisdiction; Consent to Service of Process
	 	 	67	 
	SECTION 9.10. Waiver of Jury Trial
	 	 	67	 
	SECTION 9.11. Headings
	 	 	68	 
	SECTION 9.12. Confidentiality
	 	 	68	 
	SECTION 9.13. Interest Rate Limitation
	 	 	68	 
	SECTION 9.14. Liability of General Partner
	 	 	69	 
	SECTION 9.15. USA Patriot Act Notice
	 	 	69	 

ii

 

	 
	SCHEDULES:

	 

	Schedule 1.01 — Existing Letters of Credit

	Schedule 2.01 — Commitments

	Schedule 3.05 — Disclosed Matters

	Schedule 3.11 — Subsidiaries

	Schedule 6.01 — Existing Indebtedness

	Schedule 6.02 — Existing Liens

	 

	EXHIBITS:

	 

	Exhibit A — Form of Assignment and Acceptance

	Exhibit B — Form of Borrowing Request

	Exhibit C — Form of Competitive Bid Request

	Exhibit D — Form of Interest Election Request

	Exhibit E-1 — Form of Opinion of Stephanie Hildebrandt, in-house counsel for Borrower

	Exhibit E-2 — Form of Opinion of Bracewell & Giuliani LLP, Borrower’s Counsel

	Exhibit F — Form of Compliance Certificate

	Exhibit G — Form of Revolving Loan Note

	Exhibit H — Form of Competitive Loan Note

	Exhibit I — Form of Swingline Loan Note

iii

 

     REVOLVING CREDIT AGREEMENT dated as of January 5, 2007, among DUNCAN ENERGY PARTNERS L.P., a
Delaware limited partnership; the LENDERS party hereto; WACHOVIA BANK, NATIONAL ASSOCIATION, as
Administrative Agent, Issuing Bank and Swingline Lender; THE BANK OF NOVA SCOTIA and CITIBANK,
N.A., as Co-Syndication Agents; and JPMORGAN CHASE BANK, N.A. and MIZUHO CORPORATE BANK, LTD., as
Co-Documentation Agents.

     The parties hereto agree as follows:

ARTICLE I

Definitions

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

     “ABR”, when used in reference to any Loan or Borrowing, refers to a Loan, or Loans, in
the case of a Borrowing, which bear interest at a rate determined by reference to the Alternate
Base Rate.

     “Acadian Gas” means Acadian Gas, LLC, a Delaware limited liability company.

     “Acquisition” means the acquisition by the Borrower and its Subsidiaries of the
Acquisition Assets pursuant to the Acquisition Documents as described in the Registration
Statement.

     “Acquisition Assets” means sixty-six percent (66%) of the equity interests in the
Acquisition Subsidiaries.

     “Acquisition Documents” means, to the extent executed and delivered in connection with
the Acquisition, each of the following: (i) Contribution, Conveyance and Assumption Agreement
between Enterprise Products OLP and Borrower and certain Affiliates, (ii) Storage Lease (Enterprise
Products NGL Marketing) between Enterprise Products OLP and Mont Belvieu Caverns, (iii) Storage
Lease (North Propane – Propylene Splitters) between Enterprise Products OLP and Mont Belvieu
Caverns, (iv) Storage Lease (Belvieu Environmental Fuels) between Enterprise Products OLP and Mont
Belvieu Caverns, (v) Storage Lease (Butane Isomer) between Enterprise Products OLP and Mont Belvieu
Caverns, (vi) Storage Lease (Enterprise Fractionation Plant) between Enterprise Products OLP and
Mont Belvieu Caverns, (vii) Contribution, Conveyance and Assumption Agreement between Enterprise
Products OLP and certain Affiliates and Mont Belvieu Caverns, (viii) Contribution, Conveyance and
Assumption Agreement between Enterprise Products OLP and certain Affiliates and South Texas NGL,
(ix) Pipeline Purchase and Sale Agreement between South Texas NGL and TEPPCO Crude Pipeline, L.P.,
(x) Pipeline Lease Agreement between South Texas NGL and TE Products Pipeline
Company, (xi) Fourth Amended and Restated Administrative Services Agreement among EPCO and
certain Affiliates, (xii) Omnibus Agreement among Enterprise Products OLP and certain Affiliates,
and (xiii) to the extent filed with the SEC, all other agreements, assignments, deeds, conveyances,
certificates and other documents and instruments now or hereafter executed and delivered in
connection with the Acquisition.

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     “Acquisition Subsidiaries” means Mont Belvieu Caverns, Acadian Gas, Sabine Propylene,
Lou-Tex Propylene and South Texas NGL.

     “Administrative Agent” means Wachovia Bank, National Association, in its capacity as
administrative agent for the Lenders hereunder.

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

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

     “Agreement” means this Revolving Credit Agreement dated January 5, 2007, among Duncan
Energy Partners L.P., a Delaware limited partnership; the Lenders party hereto; Wachovia Bank,
National Association, as Administrative Agent, Issuing Bank and Swingline Lender; The Bank of Nova
Scotia and Citibank, N.A., as Co-Syndication Agents, and JPMorgan Chase Bank, N.A. and Mizuho
Corporate Bank, Ltd., as Co-Documentation Agents, as amended, extended or otherwise modified from
time to time.

     “Alternate Base Rate” means, for any day, a rate per annum equal to the greater of (a)
the Prime Rate in effect on such day, and (b) the Federal Funds Effective Rate in effect on such
day plus 1/2 of 1%. Any change in the Alternate Base Rate due to a change in the Prime Rate or the
Federal Funds Effective Rate shall be effective from and including the effective date of such
change in the Prime Rate or the Federal Funds Effective Rate, respectively.

     “Applicable Percentage” means, with respect to any Lender, the percentage of the total
Commitments represented by such Lender’s Commitment. If the Commitments have terminated or
expired, the Applicable Percentages shall be determined based upon the Commitments most recently in
effect, giving effect to any assignments.

     “Applicable Rate” means, for any day, with respect to any Eurodollar Revolving Loan,
or with respect to the facility fees payable hereunder, as the case may be:

     (a) Leverage Based. Prior to Moody’s, S&P or Fitch establishing a rating for the
Index Debt, the applicable rate per annum set forth below under the caption “Eurodollar Spread” or
“Facility Fee Rate”, as the case may be, based upon the Leverage Ratio as set forth in the most
recent compliance certificate received by the Administrative Agent pursuant to Section 5.01(d):

	 	 	 	 	 	 	 	 	 
	Leverage Ratio	 	Facility Fee Rate	 	Eurodollar Spread
	£ 2.75 to 1.00

	 	 	0.125	%	 	 	0.575	%
	> 2.75 to 1.00 but £ 3.25 to 1.00

	 	 	0.150	%	 	 	0.650	%
	> 3.25 to 1.00 but £ 3.75 to 1.00

	 	 	0.175	%	 	 	0.725	%
	> 3.75 to 1.00 but £ 4.25 to 1.00

	 	 	0.200	%	 	 	0.850	%
	> 4.25 to 1.00

	 	 	0.250	%	 	 	0.950	%

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Any increase or decrease in the Applicable Rate resulting from a change in the Leverage Ratio shall
become effective as of the first Business Day immediately following the date a compliance
certificate is delivered pursuant to Section 5.01(d); provided, however, that if a
compliance certificate is not delivered when due in accordance with such Section, a Leverage Ratio
> 4.25 to 1.00 shall apply as of the first Business Day after the date on which such compliance
certificate was required to have been delivered. The Applicable Rate in effect from the Effective
Date through the first date following June 30, 2007 on which a compliance certificate is delivered
or to be delivered pursuant to Section 5.01(d) shall be determined based upon a Leverage Ratio >
3.75 to 1.00 but < 4.25 to 1.00, unless clause (b) below shall apply.

     (b) Ratings Based. Upon Moody’s, S&P or Fitch establishing a rating for the Index
Debt (subject to the immediately following paragraph of this clause (b)), the applicable rate per
annum set forth below under the caption “Eurodollar Spread” or “Facility Fee Rate”, as the case may
be, based upon the ratings by Moody’s, S&P and/or Fitch, respectively, applicable on such date to
the Index Debt:.

	 	 	 	 	 	 	 
	Index Debt Ratings:	 	 	 	 	 	 
	(Moody’s/S&P/Fitch)	 	Eurodollar Spread*	 	Facility Fee Rate	 	Utilization Fee Rate
	Category 1
3 Baa1 / BBB+ /
BBB+
	 	0.230%	 	0.070%	 	0.050%
	Category 2 Baa2 / BBB / BBB
	 	0.310%	 	0.090%	 	0.050%
	Category 3 Baa3 / BBB- / BBB-
	 	0.440%	 	0.110%	 	0.100%
	Category 4 Ba1 / BB+ / BB+
	 	0.575%	 	0.125%	 	0.100%
	Category 5 < Ba1 / BB+ / BB+
	 	0.675%	 	0.175%	 	0.100%

 

			
	*	 	provided, the applicable Eurodollar Spread pursuant to this clause (b) shall be increased
by the Utilization Fee Rate on each day that (i) the total Revolving Credit Exposures plus
(ii) the aggregate principal amount of outstanding Competitive Loans equals or exceeds
(iii) fifty percent (50%) of the total Commitments.

For purposes of the foregoing, (i) if only one of Moody’s, S&P and Fitch shall have in effect a
rating for the Index Debt, or if only two of Moody’s, S&P and Fitch shall have in effect a rating
for the Index Debt, and such ratings fall within the same Category, then the other two rating
agencies, or other rating agency, shall be deemed to have established a rating in the same Category
as such agency or agencies; (ii) if only two of Moody’s, S&P and Fitch shall have in effect a
rating for the Index Debt, and such ratings shall fall within different Categories, the
Applicable Rate shall be based on the higher of the two ratings; (iii) if each of Moody’s, S&P and
Fitch shall have in effect a rating for the Index Debt, and such ratings shall fall within
different Categories, the Applicable Rate shall be based on (x) the majority rating, if two of such
ratings fall within the same Category, or (y) the middle rating, if all three of such ratings fall
within different Categories, (iv) if the ratings established or deemed to have been established by
Moody’s, S&P and/or Fitch for the Index Debt shall be changed (other than as a result of a change
in the rating system of Moody’s, S&P or Fitch), such change shall be effective as of the date on
which it is first announced by the applicable rating agency. Each change in the Applicable Rate
shall apply during the period commencing on the effective date of such change and ending on the
date immediately preceding the effective date of the next such change.

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     (c) Ratings Changes or Unavailability. If the rating system of Moody’s, S&P or Fitch
shall change, or if any such rating agency shall cease to be in the business of rating corporate
debt obligations, the Borrower and the Lenders shall negotiate in good faith to amend this
definition to reflect such changed rating system or the unavailability of ratings from such rating
agency and, pending the effectiveness of any such amendment, the Applicable Rate shall be
determined by reference to the rating most recently in effect prior to such change or cessation.

     “Assignment and Acceptance” means an assignment and acceptance entered into by a
Lender and an assignee (with the consent of any party whose consent is required by Section 9.04),
and accepted by the Administrative Agent, substantially in the form of Exhibit A or any other form
approved by the Administrative Agent.

     “Attributable Indebtedness” with respect to any Sale/Leaseback Transaction, means, as
at the time of determination, the present value (discounted at the rate set forth or implicit in
the terms of the lease included in such transaction) of the total obligations of the lessee for
rental payments (other than amounts required to be paid on account of property taxes, maintenance,
repairs, insurance, assessments, utilities, operating and labor costs and other items that do not
constitute payments for property rights) during the remaining term of the lease included in such
Sale/Leaseback Transaction (including any period for which such lease has been extended). In the
case of any lease that is terminable by the lessee upon the payment of a penalty or other
termination payment, such amount shall be the lesser of the amount determined assuming termination
upon the first date such lease may be terminated (in which case the amount shall also include the
amount of the penalty or termination payment, but no rent shall be considered as required to be
paid under such lease subsequent to the first date upon which it may be so terminated) or the
amount determined assuming no such termination.

     “Availability Period” means the period from and including the Effective Date to but
excluding the earlier of the Maturity Date and the date of termination of the Commitments.

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

     “Borrower” means Duncan Energy Partners L.P., a Delaware limited partnership.

     “Borrowing” means (a) Revolving Loans of the same Type, made, converted or continued
on the same date and, in the case of Eurodollar Loans, as to which a single Interest Period is in
effect, (b) a Competitive Loan or group of Competitive Loans of the same Type made on the same date
and as to which a single Interest Period is in effect or (c) a Swingline Loan.

     “Borrowing Request” means a request by the Borrower for a Revolving Borrowing in
accordance with Section 2.03, and being in the form of attached Exhibit B.

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

4

 

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

     “CERCLA” means the Comprehensive Environmental, Response, Compensation, and Liability
Act of 1980, as amended.

     “Change in Control” means the occurrence of any of the following events:

     (i) Enterprise Products Partners shall cease to own, directly or indirectly, all of the
membership interests (including all securities which are convertible into membership interests) of
General Partner.

     (ii) Continuing Directors cease for any reason to constitute collectively a majority of the
members of the board of directors of Enterprise Products GP then in office;

     (iii) any Person or related Persons constituting a group (as such term is used in Rule 13d-5
under the Securities Exchange Act of 1934, as amended) obtains direct or indirect beneficial
ownership interest in Enterprise Products GP greater than the direct or indirect beneficial
ownership interests of EPCO and its Affiliates in Enterprise Products GP;

     (iv) Enterprise Products OLPGP, Inc. shall cease to own, directly or indirectly, all of the
general partner interests (including all securities which are convertible into general partner
interests) of Enterprise Products OLP; or

     (v) Enterprise Products Partners shall cease to own, directly or indirectly, all of the
limited partner interests of Enterprise Products OLP.

     As used herein, “Continuing Director” means any member of the board of directors of
Enterprise Products GP who (x) is a member of such board of directors as of the date hereof, or (y)
was nominated for election or elected to such board of directors with the approval of a majority of
the Continuing Directors who were members of such board at the time of such nomination or election.

     “Change in Law” means (a) the adoption of any law, rule or regulation after the date
of this Agreement, (b) any change in any law, rule or regulation or in the interpretation or
application thereof by any Governmental Authority after the date of this Agreement or (c)
compliance by any Lender or the Issuing Bank (or, for purposes of Section 2.15(b), by any lending
office of such Lender or by such Lender’s or the Issuing Bank’s holding company, if any)
with any request, guideline or directive (whether or not having the force of law) of any
Governmental Authority made or issued after the date of this Agreement.

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

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

5

 

     “Commercial Operation Date” means the date on which a Material Project is
substantially complete and commercially operable.

     “Commitment” means, with respect to each Lender, the commitment of such Lender to make
Revolving Loans and to acquire participations in Letters of Credit and Swingline Loans hereunder,
expressed as an amount representing the maximum aggregate amount of such Lender’s Revolving Credit
Exposure hereunder, as such commitment may be (a) reduced from time to time pursuant to Section
2.09 and (b) reduced or increased from time to time pursuant to Section 2.01 or assignments by or
to such Lender pursuant to Section 9.04. The initial amount of each Lender’s Commitment is set
forth on Schedule 2.01, or in the Assignment and Acceptance pursuant to which such Lender shall
have assumed its Commitment, as applicable. The initial aggregate amount of the Lenders’
Commitments is $300,000,000.

     “Competitive Bid” means an offer by a Lender to make a Competitive Loan in accordance
with Section 2.04.

     “Competitive Bid Rate” means, with respect to any Competitive Bid, the Margin or the
Fixed Rate, as applicable, offered by the Lender making such Competitive Bid.

     “Competitive Bid Request” means a request by the Borrower for Competitive Bids in
accordance with Section 2.04, and being in the form of attached Exhibit C.

     “Competitive Loan” means a Loan made pursuant to Section 2.04.

     “Consolidated EBITDA” means for any period, the sum of (a) the consolidated net income
of the Borrower and its consolidated Subsidiaries (excluding Project Finance Subsidiaries) for such
period plus, to the extent deducted in determining consolidated net income for such period, the
aggregate amount of (i) interest expense of the Borrower and its consolidated Subsidiaries
(excluding Project Finance Subsidiaries), determined on a consolidated basis for such period,
excluding interest expense of each non-wholly owned Subsidiary to the extent such interest expense
is not attributable to the Borrower’s direct or indirect ownership interest in such Subsidiary,
unless the Borrower or another Subsidiary has given a Guarantee of the obligations to which such
interest expense relates, in which case all of such interest expense, to the extent not eliminated
in consolidation, shall be included in interest expense and none of such interest expense, except
to the extent eliminated in consolidation, shall be excluded, (ii) income or gross receipts tax (or
franchise tax or margin tax in the nature of an income or gross receipts tax) expense, (iii)
depreciation and amortization expense of the Borrower and its wholly-owned Subsidiaries, (iv)
depreciation and amortization expense of each non-wholly owned Subsidiary multiplied by the
Borrower’s direct or indirect ownership percentage of the Equity Interests in each such Subsidiary,
(v) parent interest associated with Enterprise Products OLP’s (or its successor’s) limited
partnership and general partnership interest in the Borrower, and (vi) any
special earnings or loss allocation from a non-wholly owned Subsidiary to Enterprise Products
OLP or its Subsidiaries (or any of their respective successors) for which the Borrower does not
have a payment obligation, minus (b) equity in earnings from unconsolidated subsidiaries of
the Borrower, plus (c) the amount of cash dividends actually received during such period by
the Borrower or a Subsidiary (other than a Project Finance Subsidiary) from a Project Finance
Subsidiary or unconsolidated subsidiaries, plus (d) the amount of all payments during such
period on leases of the type referred to in clause (d) of the definition herein of Indebtedness and
the amount of all payments during such period under other off-balance sheet loans and financings of
the type referred to in such clause (d), minus (e) the amount of any cash dividends,

6

 

repayments of loans or advances, releases or discharges of guarantees or other obligations or other
transfers of property or returns of capital previously received by the Borrower or a Subsidiary
(other than a Project Finance Subsidiary) from a Project Finance Subsidiary that during such period
were either (x) recovered pursuant to recourse provisions with respect to a Project Financing at
such Project Finance Subsidiary or (y) reinvested by the Borrower or a Subsidiary in such Project
Finance Subsidiary.

     “Consolidated Indebtedness” means the Indebtedness of the Borrower and its
consolidated Subsidiaries (excluding Project Finance Subsidiaries) including, without duplication,
guaranties of funded debt, determined on a consolidated basis as of such date.

     “Consolidated Interest Expense” means for any period, the interest expense of the
Borrower and its consolidated Subsidiaries (excluding Project Finance Subsidiaries), determined on
a consolidated basis for such period, excluding (i) amortization in accordance with GAAP of
transaction costs associated with the issuance of Indebtedness, (ii) interest expense of each
non-wholly owned Subsidiary in an amount equal to the aggregate ownership percentage of such
Subsidiary’s Equity Interests by owners other than the Borrower, unless the Borrower or another
Subsidiary has given a Guarantee of such Indebtedness, in which case all of such interest expense,
to the extent not eliminated in consolidation, shall be included in Consolidated Interest Expense
and none of such interest expense, except to the extent eliminated in consolidation, shall be
excluded, and (iii) any changes in the fair market value of interest rate hedges, determined on a
consolidated basis for such period.

     “Consolidated Net Tangible Assets” means, at any date of determination, the total
amount of assets of the Borrower and its consolidated subsidiaries after deducting therefrom:

     (a) all current liabilities (excluding (A) any current liabilities that by their terms are
extendable or renewable at the option of the obligor thereon to a time more than 12 months after
the time as of which the amount thereof is being computed, and (B) current maturities of long-term
debt); and

     (b) the value (net of any applicable reserves) of all goodwill, trade names, trademarks,
patents and other like intangible assets, all as set forth, or on a pro forma basis would be set
forth, on the consolidated balance sheet of the Borrower and its consolidated subsidiaries for the
Borrower’s most recently completed fiscal quarter, prepared in accordance with GAAP.

     “Consolidated Net Worth” means as to any Person, at any date of determination, the sum
of (i) preferred stock (if any), (ii) an amount equal to (a) the face amount of outstanding Hybrid
Securities not in excess of 15% of Consolidated Total Capitalization times (b) sixty-two
and one-half percent (62.5%), (iii) par value of common stock, (iv) capital in excess of par value
of
common stock, (v) partners’ capital or equity, and (vi) retained earnings, less treasury stock
(if any), of such Person, all as determined on a consolidated basis.

     “Consolidated Total Capitalization” means the sum of (i) Consolidated Indebtedness and
(ii) Borrower’s Consolidated Net Worth.

     “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.

7

 

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

     “Disclosed Matters” means the actions, suits and proceedings and the environmental
matters disclosed in Schedule 3.05.

     “Disposition” or “Dispose” means the sale, transfer, license, lease or other
disposition (including any Sale/Leaseback Transaction) of any assets or property by the Borrower or
any Subsidiary (including the Equity Interests of any Subsidiary), including any sale, assignment,
transfer or other disposal, with or without recourse, of any notes or accounts receivable or any
rights and claims associated therewith.

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

     “Effective Date” means the date on or prior to April 5, 2007 specified in the notice
referred to in the last sentence of Section 4.01.

     “Enterprise GP Holdings” means Enterprise GP Holdings L.P., a publicly traded Delaware
limited partnership that as of the Effective Date owns Enterprise Products GP.

     “Enterprise Products GP” means Enterprise Products GP, LLC, a Delaware limited
liability company, which as of the Effective Date is the general partner of Enterprise Products
Partners.

     “Enterprise Products OLP” means Enterprise Products Operating L.P., a Delaware limited
partnership, which as of the Effective Date is the operating partnership of Enterprise Products
Partners and a wholly-owned subsidiary of Enterprise Products Partners.

     “Enterprise Products OLP Credit Agreement” means that certain Multi-Year Revolving
Credit Agreement dated August 25, 2004 among Enterprise Products OLP, Wachovia Bank, National
Association, as administrative agent, and the lenders named therein, as amended.

     “Enterprise Products Partners” means Enterprise Products Partners L.P., a Delaware
limited partnership.

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

     “Environmental Liability” means any liability, contingent or otherwise (including any
liability for damages, costs of environmental remediation, fines, penalties or indemnities), of the
Borrower or any Subsidiary 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.

8

 

     “EPCO” means EPCO, Inc., a Delaware corporation, which as of the Effective Date is an
Affiliate of Enterprise Products Partners.

     “Equity Interest” means shares of the capital stock, partnership interests, membership
interests in a limited liability company, beneficial interests in a trust or other equity interests
in any Person, or any warrants, options or other rights to acquire such interests.

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

     “ERISA Affiliate” means any trade or business (whether or not incorporated) that,
together with the Borrower, is treated as a single employer under Section 414(b) or (c) of the Code
or, solely for purposes of Section 302 of ERISA and Section 412 of the Code, is treated as a single
employer under Section 414 of the Code.

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

     “Eurocurrency Liabilities” has the meaning assigned to that term in Regulation D of
the Board, as in effect from time to time.

     “Eurodollar”, when used in reference to any Loan or Borrowing, refers to a Loan, or
Loans, in the case of a Borrowing, which bear interest at a rate determined by reference to the
LIBO Rate.

     “Eurodollar Rate Reserve Percentage” of any Lender for any Interest Period for each
Revolving Eurodollar Borrowing means the reserve percentage applicable during such Interest
Period (or if more than one such percentage shall be so applicable, the daily average of such
percentages for those days in such Interest Period during which any such percentage shall be so
applicable) under regulations issued from time to time by the Board for determining the maximum
reserve requirement (including, without limitation, any emergency, supplemental or other marginal
reserve requirement) for such Lender with respect to liabilities or assets consisting of or
including Eurocurrency Liabilities having a term equal to such Interest Period.

     “Evangeline” means Evangeline Gas Pipeline Company, L.P. and Evangeline Gas Corp.,
which as of the Effective Date are unconsolidated Affiliates of the Borrower.

9

 

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

     “Excluded Taxes” means, with respect to the Administrative Agent, any Lender, the
Issuing Bank or any other recipient of any payment to be made by or on account of any obligation of
the Borrower hereunder, (a) income or franchise taxes imposed on (or measured by) its net income
by the United States of America, by any state thereof or the District of Columbia or by the
jurisdiction under the laws of which such recipient is organized or in which its principal office
is located or, in the case of any Lender, in which its applicable lending office is located, (b)
any branch profits taxes imposed by the United States of America, any state thereof or the District
of Columbia or any similar tax imposed by any other jurisdiction in which the Administrative Agent,
such Lender or such other recipient is located and (c) in the case of a Foreign Lender (other than
an assignee pursuant to a request by the Borrower under Section 2.19(b)), any withholding tax that
is imposed on amounts payable to such Foreign Lender at the time such Foreign Lender becomes a
party to this Agreement (or designates a new lending office) or is attributable to such Foreign
Lender’s failure to comply with Section 2.17(e).

     “Existing Letters of Credit” means certain outstanding letters of credit issued by
Wachovia Bank, National Association under the Enterprise Products OLP Credit Agreement on behalf of
certain of the Acquisition Subsidiaries and listed on Schedule 1.01.

     “Federal Funds Effective Rate” means, for any day, the weighted average of the rates
on overnight Federal funds transactions with members of the Federal Reserve System arranged by
Federal funds brokers, as published on the next succeeding Business Day by the Federal Reserve Bank
of New York, or, if such rate is not so published for any day that is a Business Day, the average
of the quotations for such day for such transactions received by the Administrative Agent from
three Federal funds brokers of recognized standing selected by it.

     “Financial Officer” means the chief financial officer, principal accounting officer,
treasurer or controller of the Borrower.

     “Fitch” means Fitch, Inc.

     “Fixed Rate” means, with respect to any Competitive Loan (other than a Eurodollar
Competitive Loan), the fixed rate of interest per annum specified by the Lender making such
Competitive Loan in its related Competitive Bid.

     “Fixed Rate Loan” means a Competitive Loan bearing interest at a Fixed Rate.

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

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

     “General Partner” means DEP Holdings, LLC, a Delaware limited liability company, which
as of the Effective Date is the general partner of the Borrower and a wholly-owned Subsidiary of
Enterprise Products OLP.

     “Governmental Authority” means the government of the United States of America, any
other nation or any political subdivision thereof, whether state or local, and any agency,
authority, instrumentality, regulatory body, court, central bank or other entity exercising

10

 

executive, legislative, judicial, taxing, regulatory or administrative powers or functions of or
pertaining to government.

     “Guarantee” of or by any Person (the “guarantor”) means any obligation,
contingent or otherwise, of the guarantor guaranteeing or having the economic effect of
guaranteeing any Indebtedness of any other Person (the “primary obligor”) in any manner,
whether directly or indirectly, and including any obligation of the guarantor, direct or indirect,
(a) to purchase or pay (or advance or supply funds for the purchase or payment of) such
Indebtedness or other obligation or to purchase (or to advance or supply funds for the purchase of)
any security for the payment thereof, (b) to purchase or lease property, securities or services for
the purpose of assuring the owner of such Indebtedness or other obligation of the payment thereof,
(c) to maintain working capital, equity capital or any other financial statement condition or
liquidity of the primary obligor so as to enable the primary obligor to pay such Indebtedness or
other obligation or (d) as an account party in respect of any letter of credit or letter of
guaranty issued to support such Indebtedness or obligation; provided, that the term
Guarantee shall not include endorsements for collection or deposit in the ordinary course of
business.

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

     “Hedging Agreement” means a financial instrument or security which is used as a cash
flow or fair value hedge to manage the risk associated with a change in interest rates, foreign
currency exchange rates or commodity prices.

     “Hybrid Securities” means any trust preferred securities, or deferrable interest
subordinated debt with a maturity of at least 20 years, which provides for the optional or
mandatory deferral of interest or distributions, issued by the Borrower, or any business trusts,
limited liability companies, limited partnerships or similar entities (i) substantially all of the
common equity, general partner or similar interests of which are owned (either directly or
indirectly through one or more wholly owned Subsidiaries) at all times by the Borrower or any of
its Subsidiaries, (ii) that have been formed for the purpose of issuing hybrid securities or
deferrable interest subordinated debt, and (iii) substantially all the assets of which consist of
(A) subordinated debt of the Borrower or a Subsidiary of the Borrower, and (B) payments made from
time to time on the subordinated debt.

     “Indebtedness” of any Person means, without duplication, (a) all obligations of such
Person for the repayment of money borrowed which are or should be shown on a balance sheet
as debt in accordance with GAAP, (b) obligations of such Person as lessee under leases which,
in accordance with GAAP, are capital leases, (c) guaranties of such Person of payment or collection
of any obligations described in clauses (a) and (b) of other Persons; and (d) all obligations of
such Person under any synthetic lease, tax retention operating lease, off-balance sheet loan or
similar off-balance sheet financing if the obligation under such synthetic lease, tax retention
operating lease, off-balance sheet loan or similar off-balance sheet financing, as the case may be,
is considered indebtedness for borrowed money for tax purposes but is classified as an operating
lease in accordance with GAAP; provided, that (i) clauses (a) and (b) include, in the case
of obligations of the Borrower or any Subsidiary, only such obligations as are or should be shown
as debt or capital lease liabilities on a consolidated balance sheet of the Borrower in accordance

11

 

with GAAP, (ii) clause (c) includes, in the case of guaranties granted by the Borrower or any
Subsidiary, only such guaranties of obligations of another Person that are or should be shown as
debt or capital lease liabilities on a consolidated balance sheet of such Person in accordance with
GAAP, and (iii) the liability of any Person as a general partner of a partnership for Indebtedness
of such partnership, if such partnership is not a Subsidiary of such Person, shall not constitute
Indebtedness.

     “Indemnified Taxes” means Taxes other than Excluded Taxes.

     “Index Debt” means senior, unsecured, non-credit enhanced Indebtedness of the
Borrower.

     “Information Memorandum” means the Confidential Information Memorandum dated December,
2006 relating to the Borrower and the Transactions.

     “Interest Election Request” means a request by the Borrower to convert or continue a
Revolving Borrowing in accordance with Section 2.08, and being in the form of attached Exhibit D.

     “Interest Payment Date” means (a) with respect to any ABR Loan (other than a Swingline
Loan), the last day of each March, June, September and December, (b) with respect to any Eurodollar
Loan, the last day of the Interest Period applicable to the Borrowing of which such Loan is a part
and, in the case of a Eurodollar Borrowing with an Interest Period of more than three (3) months’
duration, each day that occurs an integral multiple of three (3) months after the first day of such
Interest Period, (c) with respect to any Fixed Rate Loan, the last day of the Interest Period
applicable to the Borrowing of which such Loan is a part and, in the case of a Fixed Rate Borrowing
with an Interest Period of more than 90 days’ duration (unless otherwise specified in the
applicable Competitive Bid Request), each day that occurs an integral multiple of 90 days after the
first day of such Interest Period, and any other dates that are specified in the applicable
Competitive Bid Request as Interest Payment Dates with respect to such Borrowing, and (d) with
respect to any Swingline Loan, the day that such Loan is required to be repaid.

     “Interest Period” means (a) with respect to any Eurodollar Borrowing, the period
commencing on the date of such Borrowing and ending on the numerically corresponding day in the
calendar month that is one, two, three or six months (and, if available to all Lenders, 12 months)
thereafter, as the Borrower may elect, and (b) with respect to any Fixed Rate Borrowing, the period
(which shall not be less than seven (7) days or more than 180 days) commencing on the date of such
Borrowing and ending on the date specified in the applicable Competitive Bid Request;
provided, that (i) if any Interest Period would end on a day other than a Business
Day, such Interest Period shall be extended to the next succeeding Business Day unless, in the case
of
a Eurodollar Borrowing only, such next succeeding Business Day would fall in the next calendar
month, in which case such Interest Period shall end on the next preceding Business Day and (ii) any
Interest Period pertaining to a Eurodollar Borrowing that commences on the last Business Day of a
calendar month (or on a day for which there is no numerically corresponding day in the last
calendar month of such Interest Period) shall end on the last Business Day of the last calendar
month of such Interest Period. For purposes of this definition, the date of a Borrowing initially
shall be the date on which such Borrowing is made and, in the case of a Revolving Borrowing,
thereafter shall be the effective date of the most recent conversion or continuation of such
Borrowing.

12

 

     “IPO” means the Borrower’s proposed initial public offering as described in the
Registration Statement.

     “Issuing Bank” means Wachovia Bank, National Association, in its capacity as the
issuer of Letters of Credit hereunder, and its successors in such capacity as provided in Section
2.06(i); provided, that, for purposes of the Existing Letters of Credit, the term
“Issuing Bank” shall mean Wachovia Bank, National Association, in its capacity as issuer of the
Existing Letters of Credit under the Enterprise Products OLP Credit Agreement. The Issuing Bank
may arrange for one or more Letters of Credit to be issued by Affiliates of the Issuing Bank if the
Borrower (in its sole discretion) approves such arrangement in writing, in which case the term
“Issuing Bank” shall include any such Affiliate with respect to Letters of Credit issued by such
Affiliate. Administrative Agent may, with the consent of the Borrower and the Lender in question,
appoint any Lender hereunder as Issuing Bank in place of or in addition to Wachovia Bank, National
Association.

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

     “LC Exposure” means, at any time, the sum of (a) the aggregate undrawn amount of all
outstanding Letters of Credit at such time plus (b) the aggregate amount of all LC Disbursements
that have not yet been reimbursed by or on behalf of the Borrower at such time. The LC Exposure of
any Lender at any time shall be its Applicable Percentage of the total LC Exposure at such time.

     “Lenders” means the Persons listed on Schedule 2.01 and any other Person that shall
have become a party hereto pursuant to an Assignment and Acceptance or pursuant to Section 2.01(b),
other than any such Person that ceases to be a party hereto pursuant to an Assignment and
Acceptance or pursuant to Section 2.01(c). Unless the context otherwise requires, the term
“Lenders” includes the Swingline Lender.

     “Letter of Credit” means, collectively, the Existing Letters of Credit and any letter
of credit issued pursuant to this Agreement.

     “Leverage Ratio” shall have the meaning given such term in Section 6.07(b).

     “LIBO Rate” means, with respect to any Eurodollar Borrowing for any Interest Period,
(a) the rate per annum appearing on Page 3750 of the Bridge Telerate Service (formerly Dow Jones
Market Service) (or on any successor or substitute page of such Service, or any successor to or
substitute for such Service, providing rate quotations comparable to those currently provided on
such page of such Service, as determined by the Administrative Agent from time to
time for purposes of providing quotations of interest rates applicable to dollar deposits in
the London interbank market) at approximately 11:00 a.m., London time, two Business Days prior to
the commencement of such Interest Period, as the rate for dollar deposits with a maturity
comparable to such Interest Period; (b) if for any reason the rate specified in clause (a) of this
definition does not so appear on Page 3750 of the Bridge Telerate Service (or any successor or
substitute page or any such successor to or substitute for such Service), the rate per annum
appearing on Reuters Screen LIBO page (or any successor or substitute page) as the London interbank
offered rate for deposits in dollars at approximately 11:00 a.m., London time, two Business Days
prior to the commencement of such Interest Period for a maturity comparable to such Interest
Period; and (c) if the rate specified in clause (a) of this definition does not so appear

13

 

on Page
3750 of the Bridge Telerate Service (or any successor or substitute page or any such successor to
or substitute for such Service) and if no rate specified in clause (b) of this definition so
appears on Reuters Screen LIBO page (or any successor or substitute page), the average of the
interest rates per annum at which dollar deposits of $5,000,000 and for a maturity comparable to
such Interest Period are offered by the respective principal London offices of the Reference Banks
in immediately available funds in the London interbank market at approximately 11:00 a.m., London
time, two Business Days prior to the commencement of such Interest Period.

     “LIBO Market Index Rate” means, for any day, with respect to any LMIR Borrowing or
LMIR Loan (a) the rate per annum appearing on Page 3750 of the Bridge Telerate Service (formerly
Dow Jones Market Service) (or on any successor or substitute page of such Service, or any successor
to or substitute for such Service, providing rate quotations comparable to those currently provided
on such page of such Service, as determined by the Swingline Lender from time to time for purposes
of providing quotations of interest rates applicable to dollar deposits in the London interbank
market) at approximately 11:00 a.m., London time for such day, provided, if such day is not a
Business Day, the immediately preceding Business Day, as the rate for dollar deposits with a
one-month maturity; (b) if for any reason the rate specified in clause (a) of this definition does
not so appear on Page 3750 of the Bridge Telerate Service (or any successor or substitute page or
any such successor to or substitute for such Service), the rate per annum appearing on Reuters
Screen LIBO page (or any successor or substitute page) as the London interbank offered rate for
deposits in dollars at approximately 11:00 a.m., London time, for such day, provided, if such day
is not a Business Day, the immediately preceding Business Day, for a one-month maturity; and (c) if
the rate specified in clause (a) of this definition does not so appear on Page 3750 of the Bridge
Telerate Service (or any successor or substitute page or any such successor to or substitute for
such Service) and if no rate specified in clause (b) of this definition so appears on Reuters
Screen LIBO page (or any successor or substitute page), the average of the interest rates per annum
at which dollar deposits of $5,000,000 and for a one-month maturity are offered by the respective
principal London offices of the Reference Banks in immediately available funds in the London
interbank market at approximately 11:00 a.m., London time, for such day.

     “Lien” means, with respect to any asset, (a) any mortgage, deed of trust, lien,
pledge, hypothecation, encumbrance, charge or security interest in, on or of such asset, (b) the
interest of a vendor or a lessor under any conditional sale agreement, capital lease or title
retention agreement relating to such asset and (c) in the case of securities, any purchase option,
call or similar right of a third party with respect to such securities. For avoidance of doubt,
operating leases are not “Liens”.

     “LMIR”, when used in reference to any Loan or Borrowing, refers to a Loan, or Loans,
in the case of a Borrowing, which bear interest at a rate determined by reference to the LIBO
Market Index Rate.

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

     “Lou-Tex Propylene” means Enterprise Lou-Tex Propylene Pipeline L.P., a Texas limited
partnership.

     “Margin” means, with respect to any Competitive Loan bearing interest at a rate based
on the LIBO Rate, the marginal rate of interest, if any, to be added to or subtracted from the LIBO

14

 

Rate to determine the rate of interest applicable to such Loan, as specified by the Lender making
such Loan in its related Competitive Bid.

     “Material Adverse Change” means a material adverse change, from that in effect on
September 30, 2006, in the financial condition or results of operations of the Borrower and its
consolidated Subsidiaries taken as a whole, as indicated in the most recent quarterly or annual
financial statements, except as to matters or events occurring on or prior to the date hereof and
disclosed in the Registration Statement; provided, as of the Effective Date and through and
until the Acquisition only, “Material Adverse Change” shall also include a material adverse change,
from that in effect on September 30, 2006, in the financial condition or results of operations of
the Acquisition Assets taken as a whole, as indicated in the Registration Statement.

     “Material Adverse Effect” means a material adverse effect on the financial condition
or results of operations of the Borrower and its consolidated Subsidiaries taken as a whole, as
indicated in the most recent quarterly or annual financial statements, except as to matters or
events occurring on or prior to the date hereof and disclosed in the Registration Statement;
provided, as of the Effective Date and through and until the Acquisition only, “Material
Adverse Effect” shall also include a material adverse effect on the financial condition or results
of operations of the Acquisition Assets taken as a whole, as indicated in the Registration
Statement.

     “Material Indebtedness” means Indebtedness (other than the Loans and Letters of
Credit), of any one or more of the Borrower and its Subsidiaries (other than Project Finance
Subsidiaries) in an aggregate principal amount exceeding $10,000,000.

     “Material Project” means the construction or expansion of any capital project of the
Borrower or any of its Subsidiaries, the aggregate capital cost of which exceeds $50,000,000.

     “Material Project EBITDA Adjustments” shall mean, with respect to each Material
Project:

     (A) prior to the Commercial Operation Date of a Material Project (but including the fiscal
quarter in which such Commercial Operation Date occurs), a percentage (based on the then-current
completion percentage of such Material Project) of an amount to be approved by the Administrative
Agent as the projected Consolidated EBITDA of Borrower and its Subsidiaries attributable to such
Material Project for the first 12-month period following the scheduled Commercial Operation Date of
such Material Project (such amount to be determined based on customer contracts or tariff-based
customers relating to such Material Project, the creditworthiness of the other parties to such
contracts or such tariff-based customers, and
projected revenues from such contracts, tariffs, capital costs and expenses, scheduled
Commercial Operation Date, oil and gas reserve and production estimates, commodity price
assumptions and other factors deemed appropriate by Administrative Agent), which may, at the
Borrower’s option, be added to actual Consolidated EBITDA for the Borrower and its Subsidiaries for
the fiscal quarter in which construction of such Material Project commences and for each fiscal
quarter thereafter until the Commercial Operation Date of such Material Project (including the
fiscal quarter in which such Commercial Operation Date occurs, but net of any actual Consolidated
EBITDA of the Borrower and its Subsidiaries attributable to such Material Project following such
Commercial Operation Date); provided that if the actual Commercial Operation Date does not
occur by the scheduled Commercial Operation Date, then the foregoing amount shall be reduced, for
quarters ending after the scheduled Commercial Operation Date to (but excluding) the first full
quarter after its Commercial Operation Date, by the following

15

 

percentage amounts depending on the
period of delay (based on the period of actual delay or then-estimated delay, whichever is longer):
(i) 90 days or less, 0%, (ii) longer than 90 days, but not more than 180 days, 25%, (iii) longer
than 180 days but not more than 270 days, 50%, and (iv) longer than 270 days, 100%; and

     (B) beginning with the first full fiscal quarter following the Commercial Operation Date of a
Material Project and for the two immediately succeeding fiscal quarters, an amount to be approved
by the Administrative Agent as the projected Consolidated EBITDA of Borrower and its Subsidiaries
attributable to such Material Project (determined in the same manner as set forth in clause (A)
above) for the balance of the four full fiscal quarter period following such Commercial Operation
Date, which may, at the Borrower’s option, be added to actual Consolidated EBITDA for the Borrower
and its Subsidiaries for such fiscal quarters.

     Notwithstanding the foregoing:

     (i) no such additions shall be allowed with respect to any Material Project unless:

     (a) not later than 30 days prior to the delivery of any certificate required by the
terms and provisions of Section 5.01(d) to the extent Material Project EBITDA Adjustments
will be made to Consolidated EBITDA in determining compliance with Section 6.07(b), the
Borrower shall have delivered to the Administrative Agent written pro forma projections of
Consolidated EBITDA of the Borrower and its Subsidiaries attributable to such Material
Project and

     (b) prior to the date such certificate is required to be delivered, the Administrative
Agent shall have approved (such approval not to be unreasonably withheld) such projections
and shall have received such other information and documentation as the Administrative Agent
may reasonably request, all in form and substance satisfactory to the Administrative Agent,
and

     (ii) the aggregate amount of all Material Project EBITDA Adjustments during any period shall
be limited to 15% of the total actual Consolidated EBITDA of the Borrower and its Subsidiaries for
such period (which total actual Consolidated EBITDA shall be determined without including any
Material Project EBITDA Adjustments).

     “Material Subsidiary” means each Subsidiary of the Borrower (and, prior to the
Acquisition, the Acquisition Subsidiaries and their Subsidiaries) that, as of the last day of the
fiscal year of the Borrower most recently ended prior to the relevant determination of Material
Subsidiaries, has a net worth determined in accordance with GAAP that is greater than 10% of
the Consolidated Net Worth of the Borrower (or, prior to the Acquisition, the total Consolidated
Net Worth of the Borrower and the Acquisition Subsidiaries) as of such day.

     “Maturity Date” means the fourth anniversary of the Effective Date, as may be extended
pursuant to Section 2.01(c).

     “Mont Belvieu Caverns” means Mont Belvieu Caverns, L.P., a Delaware limited
partnership, or its successor, Mont Belvieu Caverns, LLC, a Delaware limited liability company.

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

16

 

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

     “Notes” means any promissory notes issued by Borrower pursuant to Section 2.10(e).

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

     “Partnership Agreement” means the Agreement of Limited Partnership of the Borrower
among the General Partner and limited partners substantially in the form provided to the Lenders,
as amended, modified and supplemented from time to time.

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

     “Permitted Liens” means:

     (a) liens upon rights-of-way for pipeline purposes;

     (b) any statutory or governmental lien or lien arising by operation of law, or any mechanics’,
repairmen’s, materialmen’s, suppliers’, carriers’, landlords’, warehousemen’s or similar lien
incurred in the ordinary course of business which is not yet due or which is being contested in
good faith by appropriate proceedings and any undetermined lien which is incidental to
construction, development, improvement or repair; or any right reserved to, or vested in, any
municipality or public authority by the terms of any right, power, franchise, grant, license,
permit or by any provision of law, to purchase or recapture or to designate a purchaser of, any
property;

     (c) liens for taxes and assessments which are (i) for the then current year, (ii) not at the
time delinquent, or (iii) delinquent but the validity or amount of which is being contested at the
time by the Borrower or any Subsidiary in good faith by appropriate proceedings;

     (d) liens of, or to secure performance of, leases, other than capital leases, or any lien
securing industrial development, pollution control or similar revenue bonds;

     (e) any lien upon property or assets acquired or sold by the Borrower or any Subsidiary
resulting from the exercise of any rights arising out of defaults on receivables;

     (f) any lien in favor of the Borrower or any wholly-owned Subsidiary;

     (g) any lien in favor of the United States of America or any state thereof, or any department,
agency or instrumentality or political subdivision of the United States of America or any state
thereof, to secure partial, progress, advance, or other payments pursuant to any contract or
statute, or any debt incurred by the Borrower or any Subsidiary for the purpose of financing all or
any part of the purchase price of, or the cost of constructing, developing, repairing or improving,
the property or assets subject to such lien;

     (h) any lien incurred in the ordinary course of business in connection with workmen’s
compensation, unemployment insurance, temporary disability, social security, retiree health or

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similar laws or regulations or to secure obligations imposed by statute or governmental
regulations;

     (i) liens in favor of any Person to secure obligations under provisions of any letters of
credit, bank guarantees, bonds or surety obligations required or requested by any governmental
authority in connection with any contract or statute; or any lien upon or deposits of any assets to
secure performance of bids, trade contracts, leases or statutory obligations;

     (j) any lien upon any property or assets created at the time of acquisition of such property
or assets by the Borrower or any Subsidiary or within one year after such time to secure all or a
portion of the purchase price for such property or assets or debt incurred to finance such purchase
price, whether such debt was incurred prior to, at the time of or within one year after the date of
such acquisition; or any lien upon any property or assets to secure all or part of the cost of
construction, development, repair or improvements thereon or to secure debt incurred prior to, at
the time of, or within one year after completion of such construction, development, repair or
improvements or the commencement of full operations thereof (whichever is later), to provide funds
for any such purpose;

     (k) any lien upon any property or assets (i) existing thereon at the time of the acquisition
thereof by the Borrower or any Subsidiary, (ii) existing thereon at the time such Person becomes a
Subsidiary by acquisition, merger or otherwise, or (iii) acquired by any Person after the time such
Person becomes a Subsidiary by acquisition, merger or otherwise, to the extent such lien is created
by security documents existing at the time such Person becomes a Subsidiary and not added to such
security documents in contemplation thereof;

     (l) liens imposed by law or order as a result of any proceeding before any court or regulatory
body that is being contested in good faith, and liens which secure a judgment or other
court-ordered award or settlement as to which the Borrower or the applicable Subsidiary has not
exhausted its appellate rights;

     (m) any extension, renewal, refinancing, refunding or replacement (or successive extensions,
renewals, refinancing, refunding or replacements) of liens, in whole or in part, referred to in
clauses (a) through (l) above; provided, however, that any such extension, renewal, refinancing,
refunding or replacement lien shall be limited to the property or assets covered by the lien
extended, renewed, refinanced, refunded or replaced and that the obligations secured by any such
extension, renewal, refinancing, refunding or replacement lien shall be in an amount not greater
than the amount of the obligations secured by the lien extended, renewed, refinanced, refunded or
replaced and any expenses of the Borrower and its Subsidiaries (including any
premium) incurred in connection with such extension, renewal, refinancing, refunding or
replacement;

     (n) any lien resulting from the deposit of moneys or evidence of indebtedness in trust for the
purpose of defeasing debt of the Borrower or any Subsidiary;

     (o) the liens upon the property and assets of Evangeline existing on the Effective Date, and
other liens and encumbrances described in the Registration Statement, including any rights of first
refusal, as set forth on Schedule 6.02; or

     (p) other liens incurred in the ordinary course of business securing up to $25,000,000 of
Indebtedness of the Borrower and its Subsidiaries in the aggregate at any time outstanding;

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provided, such secured Indebtedness of the Borrower shall not exceed $10,000,000 in the
aggregate at any time outstanding.

     “Permitted Sale/Leaseback Transactions” means any Sale/Leaseback Transaction:

     (a) which occurs within one year from the date of completion of the acquisition of the
property subject thereto or the date of the completion of construction, development or substantial
repair or improvement, or commencement of full operations on such poperty, whichever is later; or

     (b) involves a lease for a period, including renewals, of not more than three years; or

     (c) the Borrower or any Subsidiary would be entitled to incur Indebtedness, in a principal
amount equal to the Attributable Indebtedness with respect to such Sale/Leaseback Transaction,
secured by a Lien on the property subject to such Sale/Leaseback Transaction pursuant to Section
6.02 without equally and ratably securing the Indebtedness under this Agreement pursuant to such
Section; or

     (d) the Borrower or any Subsidiary, within a one-year period after such Sale/Leaseback
Transaction, applies or causes to be applied an amount not less than the Attributable Indebtedness
from such Sale/Leaseback Transaction to (a) the prepayment, repayment, redemption, reduction or
retirement of any Indebtedness of the Borrower or any Subsidiary that is not subordinated to the
Indebtedness under this Agreement, or (b) the expenditure or expenditures for Principal Property
used or to be used in the ordinary course of business of the Borrower or its Subsidiaries.

     Notwithstanding the foregoing provisions of this definition, any Sale/Leaseback Transaction not
covered by clauses (a) through (d), inclusive, of this definition, shall nonetheless be a Permitted
Sale/Leaseback Transaction if the Attributable Indebtedness from such Sale/Leaseback Transaction,
together with the aggregate principal amount of outstanding Indebtedness (other than Indebtedness
under this Agreement) secured by Liens other than Permitted Liens, does not exceed 10% of
Consolidated Net Tangible Assets.

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

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

     “Prime Rate” means the rate of interest per annum publicly announced from time to time
by Wachovia Bank, National Association as its prime rate in effect at its principal office in
Charlotte, North Carolina. Each change in the Prime Rate shall be effective from and including the
date such change is publicly announced as being effective.

     “Project Financing” means Indebtedness incurred by a Project Finance Subsidiary to
finance the acquisition or construction of any asset or project which Indebtedness does not permit
or provide for recourse against the Borrower or any of its Subsidiaries (other than any

19

 

Project
Finance Subsidiary) and other than recourse that consists of rights to recover dividends paid by
such Project Finance Subsidiary.

     “Project Finance Subsidiaries” means a Subsidiary that is (A) created principally to
(i) construct or acquire any asset or project that will be or is financed solely with Project
Financing for such asset or project, related equity investments and any loans to, or capital
contributions in, such Subsidiary that are not prohibited hereby, (ii) own an Equity Interest in a
Project Finance Subsidiary, and/or (iii) own an interest in any such asset or project and (B)
designated as a Project Finance Subsidiary by the Borrower in writing to Administrative Agent.

     “Reference Banks” means Wachovia Bank, National Association, JPMorgan Chase Bank and
Citibank, N.A.

     “Register” has the meaning set forth in Section 9.04(c).

     “Registration Statement” means the Borrower’s Form S-1 Registration Statement filed
December 15, 2006 with the SEC, as amended through the date hereof.

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

     “Required Lenders” means, at any time, Lenders having Revolving Credit Exposures and
unused Commitments representing more than 50% of the sum of the total Revolving Credit Exposures
and unused Commitments at such time; provided that, for purposes of declaring the
Loans to be due and payable pursuant to Article VII, and for all purposes after the Loans become
due and payable pursuant to Article VII or the Commitments expire or terminate, the outstanding
Competitive Loans of the Lenders shall be added to their respective Revolving Credit Exposures and
to the total Revolving Credit Exposures in determining the Required Lenders.

     “Restricted Payment” means any dividend or other distribution (whether in cash,
securities or other property) with respect to any class of Equity Interests of the Borrower, 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 Equity Interests of the Borrower or any option, warrant or other right to
acquire any Equity Interests of the Borrower.

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

     “Revolving Loan” means a Loan made pursuant to Section 2.03.

     “Sabine Propylene” means Sabine Propylene Pipeline L.P., a Texas limited partnership.

     “Sale/Leaseback Transaction” means any arrangement with any Person providing for the
leasing, under a lease that is not a capital lease under GAAP, by the Borrower or a Subsidiary
(other than a Project Finance Subsidiary) of any Principal Property, which property has been or is
to be sold or transferred by the Borrower or such Subsidiary to such Person in contemplation of
such leasing.

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     “S&P” means Standard & Poor’s Ratings Services, a division of McGraw Hill Companies,
Inc.

     “SEC” has the meaning set forth in Section 5.01(a).

     “South Texas NGL” means South Texas NGL Pipelines, LLC, a Delaware limited liability
company.

     “Subsidiary” means, with respect to any Person (the “parent”) at any date, any
corporation, limited liability company, partnership, association or other entity of which
securities or other ownership interests representing more than 50% of the equity or more than 50%
of the ordinary voting power or, in the case of a partnership, more than 50% of the general
partnership interests, are, as of such date, owned, controlled or held by the parent and one or
more subsidiaries of the parent.

     “Swingline Exposure” means, at any time, the aggregate principal amount of all
Swingline Loans outstanding at such time. The Swingline Exposure of any Lender at any time shall
be its Applicable Percentage of the total Swingline Exposure at such time.

     “Swingline Lender” means Wachovia Bank, National Association, in its capacity as
lender of Swingline Loans hereunder.

     “Swingline Loan” means a Loan made pursuant to Section 2.05.

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

     “Transactions” means the execution, delivery and performance by the Borrower of this
Agreement, the borrowing of Loans, the use of the proceeds thereof and the issuance of Letters of
Credit hereunder.

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

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

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

     SECTION 1.03. Terms Generally. The definitions of terms herein shall apply equally
to the singular and plural forms of the terms defined. Whenever the context may require, any
pronoun shall include the corresponding masculine, feminine and neuter forms. The words “include”,
“includes” and “including” shall be deemed to be followed by the phrase “without

21

 

limitation”. The
word “will” shall be construed to have the same meaning and effect as the word “shall”. Unless the
context requires otherwise (a) any definition of or reference to any agreement, instrument or other
document herein shall be construed as referring to such agreement, instrument or other document as
from time to time amended, supplemented or otherwise modified (subject to any restrictions on such
amendments, supplements or modifications set forth herein), (b) any reference herein to any Person
shall be construed to include such Person’s successors and assigns, (c) the words “herein”,
“hereof” and “hereunder”, and words of similar import, shall be construed to refer to this
Agreement in its entirety and not to any particular provision hereof, (d) all references herein to
Articles, Sections, Exhibits and Schedules shall be construed to refer to Articles and Sections of,
and Exhibits and Schedules to, this Agreement and (e) the words “asset” and “property” shall be
construed to have the same meaning and effect and to refer to any and all tangible and intangible
assets and properties, including cash, securities, accounts and contract rights.

     SECTION 1.04. Accounting Terms; GAAP. Except as otherwise expressly provided herein,
all terms of an accounting or financial nature shall be construed in accordance with (i) except for
purposes of Section 6.07, GAAP, as in effect from time to time; provided that, if
the Borrower notifies the Administrative Agent that the Borrower requests an amendment to any
provision hereof to eliminate the effect of any change occurring after the date hereof in GAAP or
in the application thereof on the operation of such provision (or if the Administrative Agent
notifies the Borrower that the Required Lenders request an amendment to any provision hereof for
such purpose), regardless of whether any such notice is given before or after such change in GAAP
or in the application thereof, then such provision shall be interpreted on the basis of GAAP as in
effect and applied immediately before such change shall have become effective until such notice
shall have been withdrawn or such provision amended in accordance herewith; and (ii) for purposes
of Section 6.07, GAAP, as in effect on September 30, 2006.

ARTICLE II

The Credits

     SECTION 2.01. Commitments. (a) Subject to the terms and conditions set forth
herein, each Lender agrees to make Revolving Loans to the Borrower from time to time during the
Availability Period in an aggregate principal amount that will not result in (i) such Lender’s
Revolving Credit Exposure exceeding such Lender’s Commitment or (ii) the sum of the total Revolving
Credit Exposures plus the aggregate principal amount of outstanding Competitive Loans exceeding the
total Commitments. Within the foregoing limits and subject to the terms and conditions set forth
herein, the Borrower may borrow, prepay and reborrow Revolving Loans.

     (b) The Borrower shall have the right, without the consent of the Lenders but with the prior
approval of the Administrative Agent, not to be unreasonably withheld, to cause from time to time
an increase in the total Commitments of the Lenders by adding to this Agreement one or more
additional Lenders or by allowing one or more Lenders to increase their respective Commitments;
provided however (i) no Event of Default shall have occurred hereunder which is
continuing, (ii) no such increase shall cause the aggregate Commitments hereunder to exceed
$450,000,000, and (iii) no Lender’s Commitment shall be increased without such Lender’s consent.

22

 

     (c) The Borrower may make up to two (2) requests for one-year extensions of the Maturity Date
by delivering a written request for same to the Administrative Agent no earlier than 30 days prior
to the first anniversary of the Effective Date and no later than 30 days prior to the Maturity Date
(or previously extended Maturity Date pursuant hereto). Any such extension shall be effective if
(i) consented to by Required Lenders within thirty (30) days after such request, (ii) on the
Maturity Date as it existed immediately before such extension (A) the Commitments of the dissenting
Lenders are terminated (which termination shall be effective automatically), (B) all amounts owing
to such dissenting Lenders are paid in full (which payments shall not be subject to Section 2.11),
and (C) the total Commitments are permanently reduced by an amount equal to such dissenting
Lenders’ Commitments so terminated, except to the extent that the Commitments of the dissenting
Lenders are replaced pursuant to Section 2.19(b) and/or one or more Lenders agree(s) to increase
their respective Commitment(s), (iii) all conditions precedent for a Borrowing set forth in Section
4.02 have been satisfied, and (iv) the Borrower does not withdraw its request for such extension
before the Maturity Date (or previously extended Maturity Date pursuant hereto).

     SECTION 2.02. Loans and Borrowings. (a) Each Revolving Loan shall be made as part
of a Borrowing consisting of Revolving Loans made by the Lenders ratably in accordance with their
respective Commitments. Each Competitive Loan shall be made in accordance with the procedures set
forth in Section
2.04. The failure of any Lender to make any Loan required to be made by it shall not relieve
any other Lender of its obligations hereunder; provided that the Commitments and
Competitive Bids of the Lenders are several and no Lender shall be responsible for any other
Lender’s failure to make Loans as required.

     (b) Subject to Section 2.14, (i) each Revolving Borrowing shall be comprised entirely of ABR
Loans or Eurodollar Loans as the Borrower may request in accordance herewith, and (ii) each
Competitive Borrowing shall be comprised entirely of Eurodollar Loans or Fixed Rate Loans as the
Borrower may request in accordance herewith. Each Swingline Loan shall be an LMIR Loan. Each
Lender at its option may make any Eurodollar Loan by causing any domestic or foreign branch or
Affiliate of such Lender to make such Loan; provided that any exercise of such
option shall not affect the obligation of the Borrower to repay such Loan in accordance with the
terms of this Agreement.

     (c) At the commencement of each Interest Period for any Eurodollar Revolving Borrowing, such
Borrowing shall be in an aggregate amount that is an integral multiple of $1,000,000 and not less
than $5,000,000. At the time that each ABR Revolving Borrowing is made, such Borrowing shall be in
an aggregate amount that is an integral multiple of $500,000 and not less than $1,000,000;
provided that an ABR Revolving Borrowing may be in an aggregate amount that is
equal to the entire unused balance of the total Commitments or that is required to finance the
reimbursement of an LC Disbursement as contemplated by Section 2.06(e). Each Competitive Borrowing
shall be in an aggregate amount that is an integral multiple of $1,000,000 and not less than
$5,000,000. Each Swingline Loan shall be in an amount that is an integral multiple of $100,000 and
not less than $1,000,000. Borrowings of more than one Type and Class may be outstanding at the
same time; provided that there shall not at any time be more than a total of eight
Eurodollar Revolving Borrowings outstanding.

     (d) Notwithstanding any other provision of this Agreement, the Borrower shall not be entitled
to request, or to elect to convert or continue, any Borrowing if the Interest Period requested with
respect thereto would end after the Maturity Date.

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     SECTION 2.03. Requests for Revolving Borrowings. To request a Revolving Borrowing,
the Borrower shall notify the Administrative Agent of such request by telephone (a) in the case of
a Eurodollar Borrowing, not later than 11:00 a.m., New York City time, three Business Days before
the date of the proposed Borrowing or (b) in the case of an ABR Borrowing, not later than 11:00
a.m., New York City time, on the date of the proposed Borrowing; provided that any
such notice of an ABR Revolving Borrowing to finance the reimbursement of an LC Disbursement as
contemplated by Section 2.06(e) may be given not later than 10:00 a.m., New York City time, on the
date of the proposed Borrowing. Each such telephonic Borrowing Request shall be irrevocable and
shall be confirmed promptly by hand delivery or telecopy to the Administrative Agent of a written
Borrowing Request signed by the Borrower. Each such telephonic and written Borrowing Request shall
specify the following information in compliance with Section 2.02:

     (i) the aggregate amount of the requested Borrowing;

     (ii) the date of such Borrowing, which shall be a Business Day;

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

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

     (v) the location and number of the Borrower’s account to which funds are to be
disbursed, which shall comply with the requirements of Section 2.07.

If no election as to the Type of Revolving Borrowing is specified, then the requested Revolving
Borrowing shall be an ABR Borrowing. If no Interest Period is specified with respect to any
requested Eurodollar Revolving Borrowing, then the Borrower shall be deemed to have selected an
Interest Period of one month’s duration. Promptly following receipt of a Borrowing Request in
accordance with this Section, the Administrative Agent shall advise each Lender of the details
thereof and of the amount of such Lender’s Loan to be made as part of the requested Borrowing.

     SECTION 2.04. Competitive Bid Procedure. (a) Subject to the terms and conditions
set forth herein, from time to time during the Availability Period the Borrower may request
Competitive Bids and may (but shall not have any obligation to) accept Competitive Bids and borrow
Competitive Loans; provided that the sum of the total Revolving Credit Exposures
plus the aggregate principal amount of outstanding Competitive Loans at any time shall not exceed
the total Commitments. To request Competitive Bids, the Borrower shall notify the Administrative
Agent of such request by telephone, in the case of a Eurodollar Borrowing, not later than 11:00
a.m., New York City time, four Business Days before the date of the proposed Borrowing and, in the
case of a Fixed Rate Borrowing, not later than 11:00 a.m., New York City time, one Business Day
before the date of the proposed Borrowing; provided that the Borrower may submit up
to (but not more than) three Competitive Bid Requests on the same day, but a Competitive Bid
Request shall not be made within five (5) Business Days after the date of any previous Competitive
Bid Request, unless any and all such previous Competitive Bid Requests shall have been withdrawn or
all Competitive Bids received in response thereto rejected. Each such telephonic Competitive Bid
Request shall be confirmed promptly by hand delivery or telecopy to the Administrative Agent of a
written Competitive Bid Request signed by the

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Borrower. Each such telephonic and written
Competitive Bid Request shall specify the following information in compliance with Section 2.02:

     (i) the aggregate amount of the requested Borrowing;

     (ii) the date of such Borrowing, which shall be a Business Day;

     (iii) whether such Borrowing is to be a Eurodollar Borrowing or a Fixed Rate Borrowing;

     (iv) the Interest Period to be applicable to such Borrowing, which shall be a period
contemplated by the definition of the term “Interest Period”;

     (v) the location and number of the Borrower’s account to which funds are to be
disbursed, which shall comply with the requirements of Section 2.07; and

     (vi) the maturity date or dates of the requested Borrowing.

Promptly following receipt of a Competitive Bid Request in accordance with this Section, the
Administrative Agent shall notify the Lenders of the details thereof by telecopy, inviting the
Lenders to submit Competitive Bids.

     (b) Each Lender may (but shall not have any obligation to) make one or more Competitive Bids
to the Borrower in response to a Competitive Bid Request. Each Competitive Bid by a Lender must be
in a form approved by the Administrative Agent and must be received by the Administrative Agent by
telecopy, in the case of a Eurodollar Competitive Borrowing, not later than 9:30 a.m., New York
City time, three Business Days before the proposed date of such Competitive Borrowing, and in the
case of a Fixed Rate Borrowing, not later than 9:30 a.m., New York City time, on the proposed date
of such Competitive Borrowing. Competitive Bids that do not conform substantially to the form
approved by the Administrative Agent may be rejected by the Administrative Agent, and the
Administrative Agent shall so notify the applicable Lender and the Borrower as promptly as
practicable. Each Competitive Bid shall specify (i) the principal amount (which shall be a minimum
of $5,000,000 and an integral multiple of $1,000,000 and which may equal the entire principal
amount of the Competitive Borrowing requested by the Borrower) of the Competitive Loan or
Competitive Loans, as the case may be, that the Lender is willing to make, (ii) the Competitive
Bid Rate or Competitive Bid Rates, as the case may be, at which the Lender is prepared to make such
Loan or Loans (expressed as a percentage rate per annum in the form of a decimal to no more than
four decimal places) and (iii) the Interest Period applicable to each such Loan and the last day
thereof.

     (c) The Administrative Agent shall promptly notify the Borrower by telecopy of the Competitive
Bid Rate and the principal amount specified in each Competitive Bid and the identity of the Lender
that shall have made such Competitive Bid.

     (d) Subject only to the provisions of this paragraph, the Borrower may accept or reject any
Competitive Bid. The Borrower shall notify the Administrative Agent by telephone, confirmed by
telecopy in a form approved by the Administrative Agent, whether and to what extent it has decided
to accept or reject each Competitive Bid, in the case of a Eurodollar Competitive Borrowing, not
later than 10:30 a.m., New York City time, three Business Days before the date of the proposed
Competitive Borrowing, and in the case of a Fixed Rate

25

 

Borrowing, not later than 10:30 a.m., New
York City time, on the proposed date of the Competitive Borrowing; provided that
(i) the failure of the Borrower to give such notice shall be deemed to be a rejection of each
Competitive Bid, (ii) the Borrower shall not accept a Competitive Bid made at a particular
Competitive Bid Rate if the Borrower rejects a Competitive Bid made at a lower Competitive Bid
Rate, (iii) the aggregate amount of the Competitive Bids accepted by the Borrower shall not exceed
the aggregate amount of the requested Competitive Borrowing specified in the related Competitive
Bid Request, (iv) to the extent necessary to comply with clause (iii) above, the Borrower may
accept Competitive Bids at the same Competitive Bid Rate in part, which acceptance, in the case of
multiple Competitive Bids at such Competitive Bid Rate, shall be made pro rata in accordance with
the amount of each such Competitive Bid, and (v) except pursuant to clause (iv) above, no
Competitive Bid shall be accepted for a Competitive Loan unless such Competitive Loan is in a
minimum principal amount of $5,000,000 and an integral multiple of $1,000,000; provided
further that if a Competitive Loan must be in an amount less than $5,000,000 because of the
provisions of clause (iv) above, such Competitive Loan may be for a minimum of $1,000,000 or any
integral multiple thereof, and in calculating the pro rata allocation of acceptances of portions of
multiple Competitive Bids at a particular Competitive Bid Rate pursuant to clause (iv) the amounts
shall be rounded to integral multiples of $1,000,000
in a manner determined by the Borrower. A notice given by the Borrower pursuant to this
paragraph shall be irrevocable.

     (e) The Administrative Agent shall promptly notify each bidding Lender by telecopy whether or
not its Competitive Bid has been accepted (and, if so, the amount and Competitive Bid Rate so
accepted), and each successful bidder will thereupon become bound, subject to the terms and
conditions hereof, to make the Competitive Loan in respect of which its Competitive Bid has been
accepted.

     (f) If the Administrative Agent shall elect to submit a Competitive Bid in its capacity as a
Lender, it shall submit such Competitive Bid directly to the Borrower at least one quarter of an
hour earlier than the time by which the other Lenders are required to submit their Competitive Bids
to the Administrative Agent pursuant to paragraph (b) of this Section.

     SECTION 2.05. Swingline Loans. (a) Subject to the terms and conditions set forth
herein, the Swingline Lender agrees to make Swingline Loans to the Borrower from time to time
during the Availability Period, in an aggregate principal amount at any time outstanding that will
not result in (i) the aggregate principal amount of outstanding Swingline Loans exceeding
$30,000,000 or (ii) the sum of the total Revolving Credit Exposures plus the aggregate principal
amount of outstanding Competitive Loans exceeding the total Commitments; provided
that the Swingline Lender shall not be required to make a Swingline Loan to refinance an
outstanding Swingline Loan. Within the foregoing limits and subject to the terms and conditions
set forth herein, the Borrower may borrow, prepay and reborrow Swingline Loans.

     (b) To request a Swingline Loan, the Borrower shall notify the Administrative Agent of such
request by telephone (confirmed by telecopy), not later than 12:00 noon, New York City time, on the
day of a proposed Swingline Loan. Each such notice shall be irrevocable and shall specify the
requested date (which shall be a Business Day) and amount of the requested Swingline Loan. The
Administrative Agent will promptly advise the Swingline Lender of any such notice received from the
Borrower. The Swingline Lender shall make each Swingline Loan available to the Borrower by means
of a credit to the general deposit account of the Borrower with the Swingline Lender (or, in the
case of a Swingline Loan made to finance the

26

 

reimbursement of an LC Disbursement as provided in
Section 2.06(e), by remittance to the Issuing Bank) by 3:00 p.m., New York City time, on the
requested date of such Swingline Loan.

     (c) The Swingline Lender may by written notice given to the Administrative Agent not later
than 10:00 a.m., New York City time, on any Business Day require the Lenders to acquire
participations on such Business Day in all or a portion of the Swingline Loans outstanding. Such
notice shall specify the aggregate amount of Swingline Loans in which the Lenders will participate.
Promptly upon receipt of such notice, the Administrative Agent will give notice thereof to each
Lender, specifying in such notice such Lender’s Applicable Percentage of such Swingline Loan or
Swingline Loans, as the case may be. Each Lender hereby absolutely and unconditionally agrees,
upon receipt of notice as provided above, to pay to the Administrative Agent, for the account of
the Swingline Lender, such Lender’s Applicable Percentage of such Swingline Loan or Swingline
Loans, as the case may be. Each Lender acknowledges and agrees that its obligation to acquire
participations in Swingline Loans pursuant to this paragraph is absolute and unconditional and
shall not be affected by any circumstance whatsoever, including the occurrence and continuance of a
Default or reduction or termination of the Commitments, and that each such payment shall be made
without any offset,
abatement, withholding or reduction whatsoever. Each Lender shall comply with its obligation
under this paragraph by wire transfer of immediately available funds, in the same manner as
provided in Section 2.07 with respect to Loans made by such Lender (and Section 2.07 shall apply,
mutatis mutandis, to the payment obligations of the Lenders), and the
Administrative Agent shall promptly pay to the Swingline Lender the amounts so received by it from
the Lenders. The Administrative Agent shall notify the Borrower of any participations in any
Swingline Loan acquired pursuant to this paragraph, and thereafter payments in respect of such
Swingline Loan shall be made to the Administrative Agent and not to the Swingline Lender. Any
amounts received by the Swingline Lender from the Borrower (or other party on behalf of the
Borrower) in respect of a Swingline Loan after receipt by the Swingline Lender of the proceeds of a
sale of participations therein shall be promptly remitted to the Administrative Agent; any such
amounts received by the Administrative Agent shall be promptly remitted by the Administrative Agent
to the Lenders that shall have made their payments pursuant to this paragraph and to the Swingline
Lender, as their interests may appear. The purchase of participations in a Swingline Loan pursuant
to this paragraph shall not relieve the Borrower of any default in the payment thereof.

     SECTION 2.06. Letters of Credit. (a) General. Subject to the terms and
conditions set forth herein, the Borrower may request the issuance of Letters of Credit for its own
account, in a form reasonably acceptable to the Administrative Agent and the Issuing Bank, at any
time and from time to time during the Availability Period. In the event of any inconsistency
between the terms and conditions of this Agreement and the terms and conditions of any form of
letter of credit application or other agreement submitted by the Borrower to, or entered into by
the Borrower with, the Issuing Bank relating to any Letter of Credit, the terms and conditions of
this Agreement shall control.

     (b) Notice of Issuance, Amendment, Renewal, Extension; Certain Conditions. To request
the issuance of a Letter of Credit (or the amendment, renewal or extension of an outstanding Letter
of Credit), the Borrower shall hand deliver or telecopy (or transmit by electronic communication,
if arrangements for doing so have been approved by the Issuing Bank) to the Issuing Bank and the
Administrative Agent three Business Days (or such shorter period as may be acceptable to the
Issuing Bank) in advance of the requested date of issuance, amendment, renewal or extension) a
notice requesting the issuance of a Letter of Credit, or identifying the Letter of Credit to be
amended, renewed or extended, and specifying the date of issuance,

27

 

amendment, renewal or extension
(which shall be a Business Day), the date on which such Letter of Credit is to expire (which shall
comply with paragraph (c) of this Section), the amount of such Letter of Credit, the name and
address of the beneficiary thereof and such other information as shall be necessary to prepare,
amend, renew or extend such Letter of Credit. If requested by the Issuing Bank, the Borrower also
shall submit a letter of credit application on the Issuing Bank’s standard form in connection with
any request for a Letter of Credit. A Letter of Credit shall be issued, amended, renewed or
extended if and only if (and upon issuance, amendment, renewal or extension of each Letter of
Credit the Borrower shall be deemed to represent and warrant that), after giving effect to such
issuance, amendment, renewal or extension (i) the LC Exposure shall not exceed the total
Commitments, and (ii) the sum of the total Revolving Credit Exposures plus the aggregate principal
amount of outstanding Competitive Loans shall not exceed the total Commitments.

     (c) Expiration Date. Each Letter of Credit shall expire at or prior to the close of
business on the earlier of (i) the date one year after the date of the issuance of such Letter of
Credit (or, in the case of any renewal or extension thereof, one year after such renewal or
extension) and (ii) the date that is five Business Days prior to the Maturity Date;
provided, if the Borrower so requests, the Issuing Bank may, in its sole and absolute
discretion, agree to issue a Letter of Credit that has automatic renewal provisions (each, an
“Auto-Renewal Letter of Credit”); provided that any such Auto-Renewal Letter of
Credit must permit the Issuing Bank to prevent any such renewal at least once in each twelve-month
period (commencing with the date of issuance of such Letter of Credit) by giving prior notice to
the beneficiary thereof not later than (A) thirty (30) days before the end of such twelve-month
period, or (B) such later date to be agreed upon at the time such Letter of Credit is issued (the
“Nonrenewal Notice Date”). Once an Auto-Renewal Letter of Credit has been issued, the
Lenders shall be deemed to have authorized (but may not require) the Issuing Bank to permit the
renewal of such Letter of Credit at any time prior to the date set forth in clause (ii) of this
Section 2.06(c); provided that the expiry date of such Letter of Credit complies with clause (ii)
of this Section 2.06(c).

     (d) Participations. By the issuance of a Letter of Credit (or an amendment to a
Letter of Credit increasing the amount thereof) and without any further action on the part of the
Issuing Bank or the Lenders, the Issuing Bank hereby grants to each Lender, and each Lender hereby
acquires from the Issuing Bank, a participation in such Letter of Credit equal to such Lender’s
Applicable Percentage of the aggregate amount available to be drawn under such Letter of Credit.
In consideration and in furtherance of the foregoing, each Lender hereby absolutely and
unconditionally agrees to pay to the Administrative Agent, for the account of the Issuing Bank,
such Lender’s Applicable Percentage of each LC Disbursement made by the Issuing Bank and not
reimbursed by the Borrower on the date due as provided in paragraph (e) of this Section, or of any
reimbursement payment required to be refunded to the Borrower for any reason. Each Lender
acknowledges and agrees that its obligation to acquire participations pursuant to this paragraph in
respect of Letters of Credit is absolute and unconditional and shall not be affected by any
circumstance whatsoever, including any amendment, renewal or extension of any Letter of Credit or
the occurrence and continuance of a Default or reduction or termination of the Commitments, and
that each such payment shall be made without any offset, abatement, withholding or reduction
whatsoever.

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     (e) Reimbursement. If the Issuing Bank shall make any LC Disbursement in respect of a
Letter of Credit, the Borrower shall reimburse such LC Disbursement by paying to the Administrative
Agent an amount equal to such LC Disbursement not later than 12:00 noon, New York City time, on the
date that such LC Disbursement is made, if the Borrower shall have received notice of such LC
Disbursement prior to 10:00 a.m., New York City time, on such date, or, if such notice has not been
received by the Borrower prior to such time on such date, then not later than 12:00 noon, New York
City time, on the Business Day immediately following the day that the Borrower receives such
notice; provided that the Borrower may, subject to the conditions to borrowing set
forth herein, request in accordance with Section 2.03 or 2.05 that such payment be financed with an
ABR Revolving Borrowing or Swingline Loan in an equivalent amount and, to the extent so financed,
the Borrower’s obligation to make such payment shall be discharged and replaced by the resulting
ABR Revolving Borrowing or Swingline Loan. If the Borrower fails to make such payment when due,
the Administrative Agent shall notify each Lender of the applicable LC Disbursement, the payment
then due from the Borrower in respect thereof and such Lender’s Applicable Percentage thereof.
Promptly following receipt of such notice, each Lender shall pay to the Administrative Agent its
Applicable Percentage of the payment then due from the Borrower, in the same manner as provided in
Section 2.07 with respect to Loans made by such Lender (and Section 2.07 shall apply,
mutatis mutandis, to the payment obligations of
the Lenders), and the Administrative Agent shall promptly pay to the Issuing Bank the amounts
so received by it from the Lenders. Promptly following receipt by the Administrative Agent of any
payment from the Borrower pursuant to this paragraph, the Administrative Agent shall distribute
such payment to the Issuing Bank or, to the extent that Lenders have made payments pursuant to this
paragraph to reimburse the Issuing Bank, then to such Lenders and the Issuing Bank as their
interests may appear. Any payment made by a Lender pursuant to this paragraph to reimburse the
Issuing Bank for any LC Disbursement (other than the funding of ABR Revolving Loans or a Swingline
Loan as contemplated above) shall not constitute a Loan and shall not relieve the Borrower of its
obligation to reimburse such LC Disbursement.

     (f) Obligations Absolute. The Borrower’s obligation to reimburse LC Disbursements as
provided in paragraph (e) of this Section shall be absolute, unconditional and irrevocable, and
shall be performed strictly in accordance with the terms of this Agreement under any and all
circumstances whatsoever and irrespective of (i) any lack of validity or enforceability of any
Letter of Credit or this Agreement, or any term or provision therein, (ii) any draft or other
document presented under a Letter of Credit proving to be forged, fraudulent or invalid in any
respect or any statement therein being untrue or inaccurate in any respect, (iii) payment by the
Issuing Bank under a Letter of Credit against presentation of a draft or other document that does
not comply with the terms of such Letter of Credit, or (iv) any other event or circumstance
whatsoever, whether or not similar to any of the foregoing, that might, but for the provisions of
this Section, constitute a legal or equitable discharge of, or provide a right of setoff against,
the Borrower’s obligations hereunder. Neither the Administrative Agent, the Lenders nor the
Issuing Bank, nor any of their Related Parties, shall have any liability or responsibility by
reason of or in connection with the issuance or transfer of any Letter of Credit or any payment or
failure to make any payment thereunder (irrespective of any of the circumstances referred to in the
preceding sentence), or any error, omission, interruption, loss or delay in transmission or
delivery of any draft, notice or other communication under or relating to any Letter of Credit
(including any document required to make a drawing thereunder), any error in interpretation of
technical terms or any consequence arising from causes beyond the control of the Issuing Bank;
provided that the foregoing shall not be construed to excuse the Issuing Bank from
liability to the Borrower to the extent of any direct damages (as opposed to consequential damages,
claims in

29

 

respect of which are hereby waived by the Borrower to the extent permitted by applicable
law) suffered by the Borrower that are caused by the Issuing Bank’s failure to exercise care when
determining whether drafts and other documents presented under a Letter of Credit comply with the
terms thereof. The parties hereto expressly agree that, in the absence of gross negligence or
willful misconduct on the part of the Issuing Bank (as finally determined by a court of competent
jurisdiction), the Issuing Bank shall be deemed to have exercised care in each such determination.
In furtherance of the foregoing and without limiting the generality thereof, the parties agree
that, with respect to documents presented which appear on their face to be in substantial
compliance with the terms of a Letter of Credit, the Issuing Bank may, in its sole discretion,
either accept and make payment upon such documents without responsibility for further
investigation, regardless of any notice or information to the contrary, or refuse to accept and
make payment upon such documents if such documents are not in strict compliance with the terms of
such Letter of Credit.

     (g) Disbursement Procedures. The Issuing Bank shall, promptly following its receipt
thereof, examine all documents purporting to represent a demand for payment under a Letter of
Credit. The Issuing Bank shall promptly notify the Administrative Agent and the Borrower by
telephone (confirmed by telecopy) of such demand for payment and whether the Issuing Bank
has made or will make an LC Disbursement thereunder; provided that any failure
to give or delay in giving such notice shall not relieve the Borrower of its obligation to
reimburse the Issuing Bank and the Lenders with respect to any such LC Disbursement.

     (h) Interim Interest. If the Issuing Bank shall make any LC Disbursement, then,
unless the Borrower shall reimburse such LC Disbursement in full on the date such LC Disbursement
is made, the unpaid amount thereof shall bear interest, for each day from and including the date
such LC Disbursement is made to but excluding the date that the Borrower reimburses such LC
Disbursement, at the rate per annum then applicable to ABR Revolving Loans; provided
that, if the Borrower fails to reimburse such LC Disbursement when due pursuant to
paragraph (e) of this Section, then Section 2.13(d) shall apply. Interest accrued pursuant to this
paragraph shall be for the account of the Issuing Bank, except that interest accrued on and after
the date of payment by any Lender pursuant to paragraph (e) of this Section to reimburse the
Issuing Bank shall be for the account of such Lender to the extent of such payment.

     (i) Replacement of the Issuing Bank. The Issuing Bank may be replaced at any time by
written agreement among the Borrower, the Administrative Agent, the replaced Issuing Bank and the
successor Issuing Bank. The Administrative Agent shall notify the Lenders of any such replacement
of the Issuing Bank. At the time any such replacement shall become effective, the Borrower shall
pay all unpaid fees accrued for the account of the replaced Issuing Bank pursuant to Section
2.12(b). From and after the effective date of any such replacement, (i) the successor Issuing Bank
shall have all the rights and obligations of the Issuing Bank under this Agreement with respect to
Letters of Credit to be issued thereafter and (ii) references herein to the term “Issuing Bank”
shall be deemed to refer to such successor or to any previous Issuing Bank, or to such successor
and all previous Issuing Banks, as the context shall require. After the replacement of an Issuing
Bank hereunder, the replaced Issuing Bank shall remain a party hereto and shall continue to have
all the rights and obligations of an Issuing Bank under this Agreement with respect to Letters of
Credit issued by it prior to such replacement, but shall not be required to issue additional
Letters of Credit.

30

 

     (j) Cash Collateralization. If any Event of Default shall occur and be continuing and
if the maturity of the Loans has been accelerated pursuant to Article VII, on the Business Day that
the Borrower receives notice from the Administrative Agent upon written request of the Required
Lenders demanding the deposit of cash collateral pursuant to this paragraph, the Borrower shall
deposit in an account with the Administrative Agent, in the name of the Administrative Agent and
for the benefit of the Lenders, an amount in cash equal to the LC Exposure as of such date plus any
accrued and unpaid interest thereon; provided that the obligation to deposit such
cash collateral shall become effective immediately, and such deposit shall become immediately due
and payable, without demand or other notice of any kind, upon the occurrence of any Event of
Default with respect to the Borrower described in clause (g) or (h) of Article VII. Such deposit
shall be held by the Administrative Agent as collateral for the payment and performance of the
obligations of the Borrower under this Agreement. The Administrative Agent shall have exclusive
dominion and control, including the exclusive right of withdrawal, over such account. Other than
any interest earned on the investment of such deposits, which investments shall be made at the
option and sole discretion of the Administrative Agent and at the Borrower’s risk and expense, such
deposits shall not bear interest. Interest or profits, if any, on such investments shall
accumulate in such account. Moneys in such account shall be applied by the Administrative Agent to
reimburse the Issuing Bank for LC
Disbursements for which it has not been reimbursed and, to the extent not so applied, shall be
held for the satisfaction of the reimbursement obligations of the Borrower for the LC Exposure at
such time or, if the maturity of the Loans has been accelerated (but subject to the consent of
Lenders with LC Exposure representing greater than 51% of the total LC Exposure), be applied to
satisfy other obligations of the Borrower under this Agreement. If the Borrower is required to
provide an amount of cash collateral hereunder as a result of the occurrence of an Event of
Default, such amount (to the extent not applied as aforesaid) shall be returned to the Borrower
within three Business Days after all Events of Default have been cured or waived.

     SECTION 2.07. Funding of Borrowings. (a) Each Lender shall make each Loan to be
made by it hereunder on the proposed date thereof by wire transfer of immediately available funds
by 1:00 p.m., New York City time, to the account of the Administrative Agent most recently
designated by it for such purpose by notice to the Lenders; provided that Swingline
Loans shall be made as provided in Section 2.05. The Administrative Agent will make such Loans
available to the Borrower by promptly crediting the amounts so received, in like funds, to an
account designated by the Borrower in the applicable Borrowing Request or Competitive Bid Request;
provided that ABR Revolving Loans made to finance the reimbursement of an LC
Disbursement as provided in Section 2.06(e) shall be remitted by the Administrative Agent to the
Issuing Bank.

     (b) Unless the Administrative Agent shall have received notice from a Lender prior to the
proposed date of any Borrowing that such Lender will not make available to the Administrative Agent
such Lender’s share of such Borrowing, the Administrative Agent may assume that such Lender has
made such share available on such date in accordance with paragraph (a) of this Section and may, in
reliance upon such assumption, make available to the Borrower a corresponding amount. In such
event, if a Lender has not in fact made its share of the applicable Borrowing available to the
Administrative Agent, then the applicable Lender and the Borrower severally agree to pay to the
Administrative Agent forthwith on demand such corresponding amount with interest thereon, for each
day from and including the date such amount is made available to the Borrower to but excluding the
date of payment to the Administrative Agent, at (i) in the case of such Lender, the greater of the
Federal Funds Effective

31

 

Rate and a rate determined by the Administrative Agent in accordance with
banking industry rules on interbank compensation or (ii) in the case of the Borrower, the interest
rate applicable to such Borrowing. If such Lender pays such amount to the Administrative Agent,
then such amount shall constitute such Lender’s Loan included in such Borrowing.

     SECTION 2.08. Interest Elections. (a) Each Revolving Borrowing initially shall be
of the Type specified in the applicable Borrowing Request and, in the case of a Eurodollar
Revolving Borrowing, shall have an initial Interest Period as specified in such Borrowing Request.
Thereafter, the Borrower may elect to convert such Borrowing to a different Type or to continue
such Borrowing and, in the case of a Eurodollar Revolving Borrowing, may elect Interest Periods
therefor, all as provided in this Section. The Borrower may elect different options with respect
to different portions of the affected Borrowing, in which case each such portion shall be allocated
ratably among the Lenders holding the Loans comprising such Borrowing, and the Loans comprising
each such portion shall be considered a separate Borrowing. This Section shall not apply to
Competitive Borrowings or Swingline Borrowings, which may not be converted or continued.

     (b) To make an election pursuant to this Section, the Borrower shall notify the Administrative
Agent of such election by telephone by the time that a Borrowing Request would
be required under Section 2.03 if the Borrower were requesting a Revolving Borrowing of the
Type resulting from such election to be made on the effective date of such election. Each such
telephonic Interest Election Request shall be irrevocable and shall be confirmed promptly by hand
delivery or telecopy to the Administrative Agent of a written Interest Election Request signed by
the Borrower.

     (c) Each telephonic and written Interest Election Request shall specify the following
information in compliance with Section 2.02:

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

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

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

     (iv) if the resulting Borrowing is a Eurodollar Borrowing, the Interest Period to be
applicable thereto after giving effect to such election, which shall be a period
contemplated by the definition of the term “Interest Period”.

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

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

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

     SECTION 2.09. Termination and Reduction of Commitments. (a) Unless previously
terminated, the Commitments shall terminate on the Maturity Date.

     (b) The Borrower may at any time terminate, or from time to time reduce, the Commitments;
provided that (i) each reduction of the Commitments shall be in an amount that is
an integral multiple of $1,000,000 and not less than $5,000,000 and (ii) the Borrower shall not
terminate or reduce the Commitments if, after giving effect to any concurrent prepayment of
the Loans in accordance with Section 2.11, the sum of the Revolving Credit Exposures plus the
aggregate principal amount of outstanding Competitive Loans would exceed the total Commitments.

     (c) The Borrower shall notify the Administrative Agent of any election to terminate or reduce
the Commitments under paragraph (b) of this Section at least three Business Days prior to the
effective date of such termination or reduction, specifying such election and the effective date
thereof. Promptly following receipt of any notice, the Administrative Agent shall advise the
Lenders of the contents thereof. Each notice delivered by the Borrower pursuant to this Section
shall be irrevocable; provided that a notice of termination of the Commitments
delivered by the Borrower may state that such notice is conditioned upon the effectiveness of other
credit facilities, in which case such notice may be revoked by the Borrower (by notice to the
Administrative Agent on or prior to the specified effective date) if such condition is not
satisfied. Any termination or reduction of the Commitments shall be permanent. Each reduction of
the Commitments shall be made ratably among the Lenders in accordance with their respective
Commitments.

     SECTION 2.10. Repayment of Loans; Evidence of Debt. (a) The Borrower hereby
unconditionally promises to pay (i) to the Administrative Agent for the account of each Lender the
then unpaid principal amount of each Revolving Loan on the Maturity Date, (ii) to the
Administrative Agent for the account of each Lender the then unpaid principal amount of each
Competitive Loan owed to such Lender on the last day of the Interest Period applicable to such Loan
and (iii) to the Swingline Lender the then unpaid principal amount of each Swingline Loan on the
earlier of the Maturity Date and a date that is not more than fourteen Business Days after such
Swingline Loan is made; provided that on each date that a Revolving Borrowing or
Competitive Borrowing is made, the Borrower shall repay all Swingline Loans then outstanding.

     (b) Each Lender shall maintain in accordance with its usual practice an account or accounts
evidencing the indebtedness of the Borrower to such Lender resulting from each Loan

33

 

made by such
Lender, including the amounts of principal and interest payable and paid to such Lender from time
to time hereunder.

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

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

     (e) Any Lender may request that Loans made by it be evidenced by a promissory note. In such
event, the Borrower shall prepare, execute and deliver to such Lender a promissory note payable to
the order of such Lender (or, if requested by such Lender, to such Lender and its
registered assigns) and substantially in the form of (i) with respect to Revolving Loans, in
the form of revolving loan note attached hereto as Exhibit G, (ii) with respect to Competitive
Loans, in the form of competitive loan note attached hereto as Exhibit H, and (iii) with respect to
Swingline Loans, in the form of swingline loan note attached hereto as Exhibit I. Thereafter, the
Loans evidenced by such promissory note and interest thereon shall at all times (including after
assignment pursuant to Section 9.04) be represented by one or more promissory notes in such form
payable to the order of the payee named therein (or, if such promissory note is a registered note,
to such payee and its registered assigns).

     SECTION 2.11. Prepayment of Loans. (a) The Borrower shall have the right at any
time and from time to time to prepay any Borrowing in whole or in part, subject to prior notice in
accordance with paragraph (b) of this Section; provided that the Borrower shall not
have the right to prepay any Competitive Loan without the prior consent of the Lender thereof.

     (b) The Borrower shall notify the Administrative Agent (and, in the case of prepayment of a
Swingline Loan, the Swingline Lender) by telephone (confirmed by telecopy) of any prepayment
hereunder (i) in the case of prepayment of a Eurodollar Revolving Borrowing or ABR Revolving
Borrowing, not later than 11:00 a.m., New York City time, on the date of prepayment, or (ii) in the
case of prepayment of a Swingline Loan, not later than 12:00 noon, New York City time, on the date
of prepayment. Each such notice shall be irrevocable and shall specify the prepayment date and the
principal amount of each Borrowing or portion thereof to be prepaid; provided that,
if a notice of prepayment is given in connection with a conditional notice of termination of the
Commitments as contemplated by Section 2.09, then such notice of prepayment may be revoked if such
notice of termination is revoked in accordance with Section 2.09. Promptly following receipt of
any such notice relating to a Revolving Borrowing, the Administrative Agent shall advise the
Lenders of the contents thereof. Each partial prepayment of any Revolving Borrowing shall be in an
amount that is an integral multiple of $1,000,000 and not less than $1,000,000 in the case of an
ABR Revolving Borrowing, or $3,000,000 in the case of a Eurodollar Revolving Borrowing. Each
prepayment of a Revolving Borrowing shall be applied ratably to the Loans included in the prepaid
Borrowing. Prepayments shall be accompanied by accrued interest to the extent required by Section
2.13.

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     SECTION 2.12. Fees. (a) The Borrower agrees to pay to the Administrative Agent for
the account of each Lender a facility fee, which shall accrue at the Applicable Rate on the daily
amount of the Commitment of such Lender (whether used or unused) during the period from and
including the Effective Date to but excluding the date on which such Commitment terminates;
provided that, if such Lender continues to have any Revolving Credit Exposure after
its Commitment terminates, then such facility fee shall continue to accrue on the daily amount of
such Lender’s Revolving Credit Exposure from and including the date on which its Commitment
terminates to but excluding the date on which such Lender ceases to have any Revolving Credit
Exposure. Accrued facility fees shall be payable in arrears on the last day of March, June,
September and December of each year and on the date on which the Commitments terminate, commencing
on the first such date to occur after the date hereof; provided that any facility
fees accruing after the date on which the Commitments terminate shall be payable on demand. All
facility fees shall be computed on the basis of a year of 365 days (or 366 days in leap year) and
shall be payable for the actual number of days elapsed (including the first day but excluding the
last day).

     (b) The Borrower agrees to pay (i) to the Administrative Agent for the account of each Lender
a participation fee with respect to its participations in Letters of Credit, which shall accrue at
the same Applicable Rate as interest on Eurodollar Revolving Loans on the average daily amount of
such Lender’s LC Exposure (excluding any portion thereof attributable to unreimbursed LC
Disbursements) during the period from and including the Effective Date to but excluding the date on
which such Lender ceases to have any LC Exposure, and (ii) to the Issuing Bank a fronting fee,
which shall accrue at the rate of 1/8% per annum on the average daily amount of the LC Exposure
(excluding any portion thereof attributable to unreimbursed LC Disbursements) during the period
from and including the Effective Date to but excluding the date on which there ceases to be any LC
Exposure, as well as the Issuing Bank’s standard fees with respect to the issuance, amendment,
renewal or extension of any Letter of Credit or processing of drawings thereunder. Participation
fees and fronting fees accrued through and including the last day of March, June, September and
December of each year shall be payable quarterly on the third Business Day following the last day
of March, June, September and December of each year, commencing on the first such date to occur
after the Effective Date; provided that all such fees shall be payable on the date
on which the Commitments terminate and any such fees accruing after the date on which the
Commitments terminate shall be payable on demand. Any other fees payable to the Issuing Bank
pursuant to this paragraph shall be payable within 10 days after demand. All participation fees
and fronting fees shall be computed on the basis of a year of 365 days (or 366 days in leap year)
and shall be payable for the actual number of days elapsed (including the first day but excluding
the last day).

     (c) The Borrower agrees to pay to the Administrative Agent, for its own account, a fee of
$1,500 for each Competitive Bid Request if the Borrower accepts any Competitive Bid received
pursuant to such Competitive Bid Request, payable on the date of such acceptance.

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

     (e) All fees payable hereunder shall be paid on the dates due, in immediately available funds,
to the Administrative Agent (or to the Issuing Bank, in the case of fees payable to it) for
distribution, in the case of facility fees and participation fees, to the Lenders. Fees paid shall
not be refundable under any circumstances.

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     SECTION 2.13. Interest. (a) The Loans comprising each ABR Borrowing shall bear
interest on each day at the Alternate Base Rate for such day. The Loans comprising each Swingline
Loan shall bear interest on each day at the LIBO Market Index Rate for such day plus an
amount equal to the “Eurodollar Spread” set forth in the pricing grid set forth in the defined term
“Applicable Rate” that would be applicable to Eurodollar Revolving Loans on such day.

     (b) The Loans comprising each Eurodollar Borrowing shall bear interest (i) in the case of a
Eurodollar Revolving Loan, at the LIBO Rate for the Interest Period in effect for such Borrowing
plus the Applicable Rate, or (ii) in the case of a Eurodollar Competitive Loan, at the LIBO Rate
for the Interest Period in effect for such Borrowing plus (or minus, as applicable) the Margin
applicable to such Loan.

     (c) Each Fixed Rate Loan shall bear interest at the Fixed Rate applicable to such Loan.

     (d) Notwithstanding the foregoing, if any principal of or interest on any Loan or any fee or
other amount payable by the Borrower hereunder is not paid when due, whether at stated maturity,
upon acceleration or otherwise, such overdue amount shall bear interest, after as well as before
judgment, at a rate per annum equal to (i) in the case of overdue principal of any Loan, 2% plus
the rate otherwise applicable to such Loan as provided in the preceding paragraphs of this Section
or (ii) in the case of any other amount, 2% plus the rate applicable to ABR Loans as provided in
paragraph (a) of this Section.

     (e) Accrued interest on each Loan shall be payable in arrears on each Interest Payment Date
for such Loan and, in the case of Revolving Loans, upon termination of the Commitments;
provided that (i) interest accrued pursuant to paragraph (d) of this Section shall
be payable on demand, (ii) in the event of any repayment or prepayment of any Loan (other than a
prepayment of an ABR Revolving Loan prior to the end of the Availability Period), accrued interest
on the principal amount repaid or prepaid shall be payable on the date of such repayment or
prepayment and (iii) in the event of any conversion of any Eurodollar Revolving Loan prior to the
end of the current Interest Period therefor, accrued interest on such Loan shall be payable on the
effective date of such conversion.

     (f) All interest determined by reference to the LIBO Rate or clause (b) of the definition of
Alternate Base Rate shall be computed on the basis of a year of 360 days, and all other interest
shall be computed on the basis of a year of 365 days (or 366 days in a leap year), and in each case
shall be payable for the actual number of days elapsed (including the first day but excluding the
last day). The applicable Alternate Base Rate or LIBO Rate shall be determined by the
Administrative Agent, and such determination shall be conclusive absent manifest error.

     (g) The Borrower shall pay to each Lender, so long as such Lender shall be required under
regulations of the Board to maintain reserves with respect to liabilities or assets consisting of
or including Eurocurrency Liabilities, additional interest on the unpaid principal amount of each
Borrowing of such Lender during such periods as such Borrowing is a Revolving Eurodollar Borrowing,
from the date of such Borrowing until such principal amount is paid in full, at an interest rate
per annum equal at all times to the remainder obtained by subtracting (i) the LIBO Rate for the
Interest Period in effect for such Revolving Eurodollar Borrowing from (ii) the rate obtained by
dividing such LIBO Rate by a percentage equal to 100% minus the Eurodollar Rate Reserve Percentage
of such Lender for such Interest Period. Such additional

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interest shall be determined by such
Lender. The Borrower shall from time to time, within 15 days after demand (which demand shall be
accompanied by a certificate comporting with the requirements set forth in Section 2.15(d)) by such
Lender (with a copy of such demand and certificate to the Administrative Agent) pay to the Lender
giving such notice such additional interest; provided, however, that the Borrower
shall not be required to pay to such Lender any portion of such additional interest that accrued
more than 90 days prior to any such demand, unless such additional interest was not determinable on
the date that is 90 days prior to such demand.

     SECTION 2.14. Alternate Rate of Interest. If prior to the commencement of any
Interest Period for a Eurodollar Borrowing:

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

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

then the Administrative Agent shall give notice thereof to the Borrower and the Lenders by
telephone or telecopy as promptly as practicable thereafter and, until the Administrative Agent
notifies the Borrower and the Lenders that the circumstances giving rise to such notice no longer
exist, (i) any Interest Election Request that requests the conversion of any Revolving Borrowing
to, or continuation of any Revolving Borrowing as, a Eurodollar Borrowing shall be ineffective,
(ii) if any Borrowing Request requests a Eurodollar Revolving Borrowing, such Borrowing shall be
made as an ABR Borrowing, and (iii) any request by the Borrower for a Eurodollar Competitive
Borrowing shall be ineffective; provided that (A) if the circumstances giving rise
to such notice do not affect all the Lenders, then requests by the Borrower for Eurodollar
Competitive Borrowings may be made to Lenders that are not affected thereby and (B) if the
circumstances giving rise to such notice affect only one Type of Borrowings, then the other Type of
Borrowings shall be permitted.

     SECTION 2.15. Illegality; Increased Costs. (a) If any Change in Law shall make it
unlawful or impossible for any Lender to make, maintain or fund its Eurodollar Loans, such Lender
shall so notify the Administrative Agent. Upon receipt of such notice, the Administrative Agent
shall immediately give notice thereof to the other Lenders and to the Borrower, whereupon until
such Lender notifies the Borrower and the Administrative Agent that the circumstances giving rise
to such suspension no longer exist, the obligation of such Lender to make Eurodollar Loans shall be
suspended. If such Lender shall determine that it may not lawfully continue to maintain and fund
any of its outstanding Eurodollar Loans to maturity and shall so specify in such notice, the
Borrower shall immediately prepay (which prepayment shall not be subject to Section 2.11) in full
the then outstanding principal amount of such Eurodollar Loans, together with the accrued interest
thereon.

     (b) If any Change in Law shall:

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     (i) impose, modify or deem applicable any reserve, special deposit or similar
requirement against assets of, deposits with or for the account of, or credit extended by,
any Lender (except any such reserve requirement reflected in Section 2.13(g)) or the Issuing
Bank; or

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

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

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

     (d) A certificate of a Lender or the Issuing Bank setting forth, in reasonable detail showing
the computation thereof, the amount or amounts necessary to compensate such Lender or the Issuing
Bank or its holding company, as the case may be, as specified in paragraph (b) or (c) of this
Section shall be delivered to the Borrower and shall be conclusive absent manifest error. Such
certificate shall further certify that such Lender or the Issuing Bank is making similar demands of
its other similarly situated borrowers. The Borrower shall pay such Lender or the Issuing Bank, as
the case may be, the amount shown as due on any such certificate within 10 days after receipt
thereof, if such certificate complies herewith.

     (e) Failure or delay on the part of any Lender or the Issuing Bank to demand compensation
pursuant to this Section shall not constitute a waiver of such Lender’s or the Issuing Bank’s right
to demand such compensation; provided that the Borrower shall not be required to
compensate a Lender or the Issuing Bank pursuant to this Section for any increased costs or
reductions incurred more than 90 days prior to the date that such Lender or the Issuing Bank, as
the case may be, notifies the Borrower of the Change in Law giving rise to such increased costs or
reductions and of such Lender’s or the Issuing Bank’s intention to claim compensation therefor;
provided further that, if the Change in Law giving rise to such increased costs or
reductions is retroactive, then the 90-day period referred to above shall be extended to

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include
the period of retroactive effect thereof (to the extent that such period of retroactive effect is
not already included in such 90-day period).

     (f) Notwithstanding the foregoing provisions of this Section, a Lender shall not be entitled
to compensation pursuant to this Section in respect of any Competitive Loan if the Change in Law
that would otherwise entitle it to such compensation shall have been publicly announced prior to
submission of the Competitive Bid pursuant to which such Loan was made.

     SECTION 2.16. Break Funding Payments. In the event of (a) the payment of any
principal of any Eurodollar Loan or Fixed Rate Loan other than on the last day of an Interest
Period applicable thereto (including as a result of an Event of Default), (b) the conversion of any
Eurodollar Loan other than on the last day of the Interest Period applicable thereto, (c) the
failure to borrow, convert,
continue or prepay any Revolving Loan on the date specified in any notice delivered pursuant
hereto (regardless of whether such notice may be revoked under Section 2.11(b) and is revoked in
accordance therewith), (d) the failure to borrow any Competitive Loan after accepting the
Competitive Bid to make such Loan, or (e) the assignment of any Eurodollar Loan or Fixed Rate Loan
other than on the last day of the Interest Period applicable thereto as a result of a request by
the Borrower pursuant to Section 2.19, then, in any such event, the Borrower shall compensate each
Lender for the loss, cost and expense (excluding loss of anticipated profits) attributable to such
event. A certificate of any Lender setting forth, in reasonable detail showing the computation
thereof, any amount or amounts that such Lender is entitled to receive pursuant to this Section
shall be delivered to the Borrower and shall be conclusive absent manifest error. The Borrower
shall pay such Lender the amount shown as due on any such certificate within 10 days after receipt
thereof, if such certificate complies herewith.

     SECTION 2.17. Taxes. (a) Any and all payments by or on account of any obligation of
the Borrower hereunder shall be made free and clear of and without deduction for any Indemnified
Taxes or Other Taxes; provided that if the Borrower shall be required to deduct any
Indemnified Taxes or Other Taxes from such payments, then (i) the sum payable shall be increased as
necessary so that after making all required deductions (including deductions applicable to
additional sums payable under this Section) the Administrative Agent, any Lender or Issuing Bank
(as the case may be) receives an amount equal to the sum it would have received had no such
deductions been made, (ii) the Borrower shall make such deductions and (iii) the Borrower shall pay
the full amount deducted to the relevant Governmental Authority in accordance with applicable law.

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

     (c) The Borrower shall indemnify the Administrative Agent, each Lender and the Issuing Bank,
within 10 days after written demand therefor, for the full amount of any Indemnified Taxes or Other
Taxes paid by the Administrative Agent, such Lender or the Issuing Bank, as the case may be, on or
with respect to any payment by or on account of any obligation of the Borrower hereunder (including
Indemnified Taxes or Other Taxes imposed or asserted on or attributable to amounts payable under
this Section) and any penalties, interest and reasonable expenses arising therefrom or with respect
thereto, whether or not such Indemnified Taxes or
Other Taxes were correctly or legally imposed or
asserted by the relevant Governmental Authority; provided that the Borrower shall
not be required to indemnify or reimburse a Lender pursuant to this Section for any Indemnified
Taxes or

39

 

Other Taxes imposed or asserted more than 90 days prior to the date that such Lender
notifies the Borrower of the Indemnified Taxes or Other Taxes imposed or asserted and of such
Lender’s intention to claim compensation therefor; provided further that, if the
Indemnified Taxes or Other Taxes imposed or asserted giving rise to such claims are retroactive,
then the 90-day period referred to above shall be extended to include the period of retroactive
effect thereof (to the extent that such period of retroactive effect is not already included in
such 90-day period). A certificate setting forth, in reasonable detail showing the computation
thereof, the amount of such payment or liability delivered to the Borrower by a Lender or the
Issuing Bank, or by the Administrative Agent on its own behalf or on behalf of a Lender or the
Issuing Bank, shall be conclusive absent manifest error.

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

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

     (f) Should any Lender, the Administrative Agent or the Issuing Bank during the term of this
Agreement ever receive any refund, credit or deduction from any taxing authority to which such
Lender, the Administrative Agent or the Issuing Bank would not be entitled but for the payment by
the Borrower of Taxes (it being understood that the decision as to whether or not to claim, and if
claimed, as to the amount of any such refund, credit or deduction shall be made by such Lender, the
Administrative Agent or the Issuing Bank in its sole discretion), such Lender, the Administrative
Agent or the Issuing Bank, as the case may be, thereupon shall repay to the Borrower an amount with
respect to such refund, credit or deduction equal to any net reduction in taxes actually obtained
by such Lender, the Administrative Agent or the Issuing Bank, as the case may be, and determined by
such Lender, the Administrative Agent or the Issuing Bank, as the case may be, to be attributable
to such refund, credit or deduction.

     (g) Except for a request by the Borrower under Section 2.19(b), no Foreign Lender shall be
entitled to the benefits of Sections 2.17(a) or 2.17(c) if withholding tax is imposed on amounts
payable to such Foreign Lender at the time such Foreign Lender becomes a party to this Agreement or
designates a new lending office.

     SECTION 2.18. Payments Generally; Pro Rata Treatment; Sharing of Set-offs. (a) The
Borrower shall make each payment required to be made by it hereunder (whether of principal,
interest, fees or reimbursement of LC Disbursements, or of amounts payable under Section 2.15, 2.16
or 2.17, or otherwise) prior to 1:00 p.m., New York City time, on the date when due, in immediately
available funds, without set-off or counterclaim. Any amounts received after such time on any date
may, in the discretion of the Administrative Agent, be deemed to have been received on the next
succeeding Business Day for purposes of calculating interest thereon. All such payments shall be
made to the Administrative Agent at its offices at 301 South College Street, Charlotte, North
Carolina 28288-0608, except payments to be made directly to the Issuing Bank or Swingline Lender as
expressly provided herein and except that payments pursuant to

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Sections 2.15, 2.16, 2.17 and 9.03
shall be made directly to the Persons entitled thereto. The Administrative Agent shall distribute
any such payments received by it for the account of any other Person to the appropriate recipient
promptly following receipt thereof. If any payment hereunder shall be due on a day that is not a
Business Day, the date for payment shall be extended to the next succeeding Business Day, and, in
the case of any payment accruing interest, interest thereon shall be payable for the period of such
extension. All payments hereunder shall be made in dollars.

     (b) If at any time insufficient funds are received by and available to the Administrative
Agent to pay fully all amounts of principal, unreimbursed LC Disbursements, interest and fees then
due hereunder, such funds shall be applied (i) first, towards payment of
interest and fees then due hereunder, ratably among the parties entitled thereto in accordance
with the amounts of interest and fees then due to such parties, and (ii) second, towards payment of
principal and unreimbursed LC Disbursements then due hereunder, ratably among the parties entitled
thereto in accordance with the amounts of principal and unreimbursed LC Disbursements then due to
such parties.

     (c) If any Lender shall, by exercising any right of set-off or counterclaim or otherwise,
obtain payment (other than any payment to a dissenting Lender pursuant to Section 2.01(c)) in
respect of any principal of or interest on any of its Revolving Loans or participations in LC
Disbursements or Swingline Loans resulting in such Lender receiving payment of a greater proportion
of the aggregate amount of its Revolving Loans and participations in LC Disbursements and Swingline
Loans and accrued interest thereon than the proportion received by any other Lender, then the
Lender receiving such greater proportion shall purchase (for cash at face value) participations in
the Revolving Loans and participations in LC Disbursements and Swingline Loans of other Lenders to
the extent necessary so that the benefit of all such payments shall be shared by the Lenders
ratably in accordance with the aggregate amount of principal of and accrued interest on their
respective Revolving Loans and participations in LC Disbursements and Swingline Loans;
provided that (i) if any such participations are purchased and all or any portion
of the payment giving rise thereto is recovered, such participations shall be rescinded and the
purchase price restored to the extent of such recovery, without interest, and (ii) the provisions
of this paragraph shall not be construed to apply to any payment made by the Borrower pursuant to
and in accordance with the express terms of this Agreement or any payment obtained by a Lender as
consideration for the assignment of or sale of a participation in any of its Loans or
participations in LC Disbursements to any assignee or participant, other than to the Borrower or
any Subsidiary or Affiliate thereof (as to which the provisions of this paragraph shall apply).
The Borrower consents to the foregoing and agrees, to the extent it may effectively do so under
applicable law, that any Lender acquiring a participation pursuant to the foregoing arrangements
may exercise against the Borrower rights of set-off and counterclaim with respect to such
participation as fully as if such Lender were a direct creditor of the Borrower in the amount of
such participation.

     (d) Unless the Administrative Agent shall have received notice from the Borrower prior to the
date on which any payment is due to the Administrative Agent for the account of the Lenders or the
Issuing Bank hereunder that the Borrower will not make such payment, the Administrative Agent may
assume that the Borrower has made such payment on such date in accordance herewith and may, in
reliance upon such assumption, distribute to the Lenders or the Issuing Bank, as the case may be,
the amount due. In such event, if the Borrower has not in fact made such payment, then each of the
Lenders or the Issuing Bank, as the case may be, severally

41

 

agrees to repay to the Administrative
Agent forthwith on demand the amount so distributed to such Lender or Issuing Bank with interest
thereon, for each day from and including the date such amount is distributed to it to but excluding
the date of payment to the Administrative Agent, at the greater of the Federal Funds Effective Rate
and a rate determined by the Administrative Agent in accordance with banking industry rules on
interbank compensation.

     (e) If any Lender shall fail to make any payment required to be made by it pursuant to Section
2.05(c), 2.06(d) or (e), 2.07(b) or 2.18(d), then the Administrative Agent may, in its discretion
(notwithstanding any contrary provision hereof), apply any amounts thereafter received by the
Administrative Agent for the account of such Lender to satisfy such Lender’s obligations under such
Sections until all such unsatisfied obligations are fully paid.

     SECTION 2.19. Mitigation Obligations; Replacement of Lenders. (a) If any Lender
requests compensation under Section 2.15 or Section 2.13(g), or if the Borrower is required to pay
any additional amount to any Lender or any Governmental Authority for the account of any Lender
pursuant to Section 2.17, then such Lender shall use reasonable efforts to designate a different
lending office for funding or booking its Loans hereunder or to assign its rights and obligations
hereunder to another of its offices, branches or affiliates, if, in the judgment of such Lender,
such designation or assignment (i) would eliminate or reduce amounts payable pursuant to Section
2.13(g), 2.15 or 2.17, as the case may be, in the future and (ii) would not subject such Lender to
any unreimbursed cost or expense and would not otherwise be disadvantageous to such Lender. The
Borrower hereby agrees to pay all reasonable costs and expenses incurred by any Lender in
connection with any such designation or assignment. Subject to the foregoing, Lenders agree to use
reasonable efforts to select lending offices which will minimize taxes and other costs and expenses
for the Borrower.

     (b) If any Lender requests compensation under Section 2.13(g) or Section 2.15, or if the
Borrower is required to pay any additional amount to any Lender or any Governmental Authority for
the account of any Lender pursuant to Section 2.17, or if any Lender defaults in its obligation to
fund Loans hereunder, or if any Lender refuses to consent to an extension pursuant to Section
2.01(c), then the Borrower may, at its sole expense and effort, upon notice to such Lender and the
Administrative Agent, require such Lender to assign and delegate, without recourse (in accordance
with and subject to the restrictions contained in Section 9.04), all its interests, rights and
obligations under this Agreement (other than any outstanding Competitive Loans held by it) to an
assignee that shall assume such obligations (which assignee may be another Lender, if a Lender
accepts such assignment); provided that (i) the Borrower shall have received the
prior written consent of the Administrative Agent (and, if a Commitment is being assigned, the
Issuing Bank and Swingline Lender), which consent shall not unreasonably be withheld, (ii) such
Lender shall have received payment of an amount equal to the outstanding principal of its Loans
(other than Competitive Loans) and participations in LC Disbursements and Swingline Loans, accrued
interest thereon, accrued fees and all other amounts payable to it hereunder, from the assignee (to
the extent of such outstanding principal and accrued interest and fees) or the Borrower (in the
case of all other amounts) and (iii) in the case of any such assignment resulting from a claim for
compensation under Section 2.13(g) or Section 2.15 or payments required to be made pursuant to
Section 2.17, such assignment will result in a reduction in such compensation or payments. A
Lender shall not be required to make any such assignment and delegation if, prior thereto, as a
result of a waiver by such Lender or otherwise, the circumstances entitling the Borrower to require
such assignment and delegation cease to apply. If any Lender refuses to assign and delegate all
its interests, rights and obligations under

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this Agreement after the Borrower has required such
Lender to do so as a result of a claim for compensation under Section 2.13(g) or Section 2.15 or
payments required to be made pursuant to Section 2.17, such Lender shall not be entitled to receive
such compensation or required payments.

     SECTION 2.20. Separateness. The Lenders acknowledge and affirm (i) their reliance on
the separateness of the Borrower and General Partner from each other and from other Persons,
including Enterprise Products OLP, Enterprise Products Partners, EPCO and Enterprise GP Holdings,
(ii) that other creditors of the Borrower or the General Partner have likely advanced funds to such
Persons in reliance upon the separateness of the Borrower and General Partner from each other and
from other Persons,
including Enterprise Products OLP, Enterprise Products Partners, EPCO and Enterprise GP
Holdings, (iii) that each of the Borrower and General Partner have assets and liabilities that are
separate from those of each other and from other Persons, including Enterprise Products OLP,
Enterprise Products Partners, EPCO and Enterprise GP Holdings, (iv) that the Loans and other
obligations owing under this Agreement, the Notes and documents related hereto or thereto have not
been guaranteed by General Partner, Enterprise Products OLP, Enterprise Products Partners, EPCO or
Enterprise GP Holdings, and (v) that, except as other Persons may expressly assume or guarantee
this Agreement, the Notes or any documents related hereto or thereto or any of the Loans or other
obligations thereunder, the Lenders shall look solely to the Borrower and its property and assets,
and any property pledged as collateral with respect hereto or thereto, for the repayment of any
amounts payable pursuant hereto or thereto and for satisfaction of any obligations owing to the
Lenders hereunder or thereunder.

ARTICLE III

Representations and Warranties

     The Borrower represents and warrants to the Lenders that:

     SECTION 3.01. Organization; Powers. Each of the Borrower and its Subsidiaries is
duly formed, validly existing and (if applicable) in good standing (except, with respect to
Subsidiaries other than Material Subsidiaries, where the failure to be in good standing,
individually or in the aggregate, could not reasonably be expected to result in a Material Adverse
Effect) under the laws of the jurisdiction of its organization, has all requisite power and
authority to carry on its business in all material respects as now conducted and, except where the
failure to do so, individually or in the aggregate, could not reasonably be expected to result in a
Material Adverse Effect, is qualified to do business in, and (if applicable) is in good standing
in, every jurisdiction where such qualification is required.

     SECTION 3.02. Authorization; Enforceability. The Transactions, the Acquisition and
the IPO are within the Borrower’s partnership powers and have been duly authorized by all necessary
partnership and, if required, partner action. This Agreement has been duly executed and delivered
by the Borrower and constitutes a legal, valid and binding obligation of the Borrower, enforceable
against the Borrower in accordance with its terms, subject to applicable bankruptcy, insolvency,
reorganization, moratorium or other laws affecting creditors’ rights generally and subject to
general principles of equity, regardless of whether considered in a proceeding in equity or at law.

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     SECTION 3.03. Governmental Approvals; No Conflicts. The Transactions, the
Acquisition and the IPO (a) do not require any consent or approval of, registration or filing with,
or any other action by, any Governmental Authority, except such as have been obtained or made and
are in full force and effect as of the Effective Date, other than filings after the Effective Date
in the ordinary course of business, (b) will not violate any law or regulation applicable to the
Borrower or the limited partnership agreement, charter, by-laws or other organizational documents
of the
Borrower or any of its Subsidiaries or any order of any Governmental Authority to which the
Borrower or any of its Subsidiaries is subject, (c) will not violate or result in a default under
any material indenture, agreement or other instrument binding upon the Borrower or any of its
Subsidiaries or its assets, or give rise to a right thereunder to require any payment to be made by
the Borrower or any of its Subsidiaries and (d) will not result in the creation or imposition of
any Lien on any asset of the Borrower or any of its Subsidiaries that is prohibited hereby.

     SECTION 3.04. Financial Condition; No Material Adverse Change. (a) The Borrower
has heretofore furnished to the Lenders the predecessor combined balance sheets of the businesses
of the Acquisition Subsidiaries (other than South Texas NGL and its Subsidiaries), and the related
predecessor statements of combined operations and comprehensive income, combined changes in net
owners’ investment, and combined cash flows of the businesses of the Acquisition Subsidiaries
(other than South Texas NGL and its Subsidiaries) as of and for the fiscal year ended December 31,
2005 and the nine months ended September 30, 2006, such predecessor combined financial statements
audited by Deloitte & Touche LLP. Such predecessor financial statements present fairly, in all
material respects, the financial position and results of operations and cash flows of the
businesses of the Acquisition Subsidiaries (other than South Texas NGL and its Subsidiaries) as of
such dates and for such periods in accordance with GAAP. The unaudited pro forma condensed
combined financial statements contained in the Registration Statement were prepared in good faith
based on the basis of assumptions that were believed to be reasonable in light of then-existing
conditions (subject to the proviso that it is understood that such pro forma condensed combined
financial statements and forecasts are based upon professional opinions, estimates and projections
and that the Borrower does not warrant that such opinions, estimates and projections will
ultimately prove to have been accurate).

     (b) No Material Adverse Change exists; provided, on and after the date on which the
Borrower obtains an investment-grade rating on its Index Debt from any of Moody’s, S&P or Fitch,
Borrower makes no representation or warranty with respect to the foregoing.

     SECTION 3.05. Litigation and Environmental Matters. (a) There are no actions, suits
or proceedings by or before any arbitrator or Governmental Authority pending against or, to the
knowledge of the Borrower, threatened in writing against or affecting the Borrower or any of its
Subsidiaries (i) as to which there is a reasonable possibility of an adverse determination and
that, if adversely determined, could reasonably be expected, individually or in the aggregate, to
result in a Material Adverse Effect (other than the Disclosed Matters) or (ii) that involve this
Agreement, the Transactions, the Acquisition or the IPO.

     (b) Except for the Disclosed Matters and except with respect to any other matters that,
individually or in the aggregate, could not reasonably be expected to result in a Material Adverse
Effect, neither the Borrower nor any of its Subsidiaries (i) has failed to comply with any
Environmental Law or to obtain, maintain or comply with any permit, license or other approval
required under any Environmental Law, (ii) has become subject to any Environmental Liability,

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(iii)
has received notice of any claim with respect to any Environmental Liability or (iv) knows of any
basis for any Environmental Liability.

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

     SECTION 3.06. Compliance with Laws. Each of the Borrower and its Subsidiaries is in
compliance with all laws, regulations and orders of any Governmental Authority applicable to it or
its property, except where the failure to do so, individually or in the aggregate, could not
reasonably be expected to result in a Material Adverse Effect. No Default has occurred and is
continuing.

     SECTION 3.07. Investment Company Status. Neither the Borrower nor any of its
Subsidiaries is an “investment company” as defined in, or subject to regulation under, the
Investment Company Act of 1940.

     SECTION 3.08. Taxes. Each of the Borrower and its Subsidiaries has timely filed or
caused to be filed all Tax returns and reports required to have been filed and has paid or caused
to be paid all Taxes required to have been paid by it, except (a) Taxes that are being contested in
good faith by appropriate proceedings and for which the Borrower or such Subsidiary, as applicable,
has set aside on its books adequate reserves or (b) to the extent that the failure to do so could
not reasonably be expected to result in a Material Adverse Effect.

     SECTION 3.09. ERISA. No ERISA Event has occurred or is reasonably expected to occur
that, when taken together with all other such ERISA Events for which liability is reasonably
expected to occur, could reasonably be expected to result in a Material Adverse Effect.

     SECTION 3.10. Disclosure. Neither the Information Memorandum nor any of the other
reports, financial statements, certificates or other information furnished by or on behalf of the
Borrower to the Administrative Agent or any Lender in connection with the negotiation of this
Agreement (as modified or supplemented by other information so furnished) contains any material
misstatement of fact or omits to state any material fact necessary to make the statements therein,
in the light of the circumstances under which they were made, not misleading; provided
that, with respect to projected financial information, the Borrower represents only that
such information was prepared in good faith based upon assumptions believed to be reasonable at the
time.

     SECTION 3.11. Subsidiaries. As of the Effective Date the Borrower has no
Subsidiaries other than those listed on Schedule 3.11. As of the Effective Date Schedule 3.11 sets
forth the jurisdiction of incorporation or organization of each such Subsidiary, the percentage of
the Borrower’s ownership of the outstanding Equity Interests of each Subsidiary directly owned by
the Borrower, and the percentage of each Subsidiary’s ownership of the outstanding Equity Interests
of each other Subsidiary.

     SECTION 3.12. Margin Securities. Neither the Borrower nor any Subsidiary is engaged
principally, or as one of its important activities, in the business of extending credit for the
purpose of purchasing or carrying margin stock (within the meaning of Regulations U or X of the
Board of Governors of the Federal Reserve System), and no part of the proceeds of any Loan

45

 

will be
used to purchase or carry any margin stock in violation of said Regulations U or X or to extend
credit to others for the purpose of purchasing or carrying margin stock in violation of said
Regulations U or X.

ARTICLE IV

Conditions

     SECTION 4.01. Effective Date. The obligations of the Lenders to make Loans and of
the Issuing Bank to issue Letters of Credit hereunder shall not become effective until the
Effective Date which is scheduled to occur when each of the following conditions is satisfied:

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

     (b) The Administrative Agent shall have received favorable written opinions (addressed to the
Administrative Agent and the Lenders and dated the Effective Date) of (i) Stephanie Hildebrandt,
in-house counsel for Borrower, and Bracewell & Giuliani LLP, counsel for Borrower, substantially in
the forms of Exhibits E-1 and E-2 with respect to the Transactions, and (ii) counsel for Borrower
with respect to the Acquisition and the IPO, in form and substance reasonably satisfactory to the
Administrative Agent and its counsel.

     (c) The Administrative Agent shall have received such documents and certificates as the
Administrative Agent or its counsel may reasonably request relating to (1) the organization and
existence of the Borrower, and (2) the authorization of the Transactions, the Acquisition and the
IPO and any other legal matters relating to the Borrower, this Agreement, the Transactions, the
Acquisition or the IPO, all in form and substance reasonably satisfactory to the Administrative
Agent and its counsel.

     (d) The Administrative Agent shall have received each promissory note requested by a Lender
pursuant to Section 2.10(e), each duly completed and executed by the Borrower.

     (e) The Administrative Agent shall have received a certificate, dated the Effective Date and
signed by the President, an Executive Vice President or a Financial Officer of the Borrower,
confirming compliance with the conditions set forth in paragraphs (a) and (b) of Section 4.02.

     (f) The Administrative Agent shall have received all fees and other amounts due and payable on
or prior to the Effective Date, including, to the extent invoiced five (5) Business Days prior to
closing, reimbursement or payment of all out-of-pocket expenses required to be reimbursed or paid
by the Borrower hereunder.

     (g) As of the Effective Date, no Material Adverse Change exists.

     (h) Prior to the date hereof, there shall not have been any material disruption or material
adverse change in the financial, banking or capital markets generally or in the market

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for loan
syndications in particular, which the Administrative Agent, in its reasonable judgment, determines
could materially impair the syndication hereof.

     (i) The Lenders shall have received copies of financial statements for the Borrower and its
Subsidiaries as of the Effective Date, taking into pro forma account the Transactions, the
Acquisition, the IPO and the transactions related thereto, as provided in the Borrower’s final IPO
offering prospectus.

     (j) All necessary governmental and third-party approvals, if any, required to be obtained by
the Borrower in connection with the Transactions, the Acquisition and the IPO and otherwise
referred to herein shall have been obtained and remain in effect (except where failure to obtain
such approvals will not have a Material Adverse Effect), and all applicable waiting periods shall
have expired without any action being taken by any applicable authority.

     (k) The Administrative Agent and Lenders shall have received copies of the Registration
Statement, and the Administrative Agent shall have received copies of any amendments to the
Registration Statement after the date hereof and prior to the Effective Date, and copies of all
other final executed documents relating to the IPO filed with the SEC, in form and substance
reasonably satisfactory to Administrative Agent or as described in or attached to the Registration
Statement, and evidence reasonably satisfactory to the Administrative Agent. of the contemporaneous
consummation of the IPO, substantially on the terms set forth in the Registration Statement, and
the receipt by the Borrower of net proceeds therefrom of not less than $200,000,000.

     (l) The Administrative Agent shall have received copies of the Acquisition Documents, in form
and substance satisfactory to Administrative Agent or as described in or attached to the
Registration Statement, certified by the Borrower and duly and validly executed by each party
thereto, and evidence reasonably satisfactory to Administrative Agent of the contemporaneous
consummation of the Acquisition, substantially on the terms set forth in the Registration
Statement.

     The Administrative Agent shall notify the Borrower and the Lenders of the Effective Date, and such
notice shall be conclusive and binding; provided, that if the IPO and the Effective Date do not
occur on or prior to April 5, 2007, then the Effective Date shall be deemed to not have occurred
and this Agreement shall terminate.

     SECTION 4.02. Each Credit Event. The obligation of each Lender to make a Loan on the
occasion of any Borrowing (exclusive of continuations and conversions of a Borrowing), and of the
Issuing Bank to issue, amend, renew or extend any Letter of Credit, is subject to the satisfaction
of the following conditions:

     (a) The representations and warranties of the Borrower set forth in this Agreement shall be
true and correct in all material respects on and as of the date of such Borrowing or the date of
issuance, amendment, renewal or extension of such Letter of Credit, as applicable.

     (b) At the time of and immediately after giving effect to such Borrowing or the issuance,
amendment, renewal or extension of such Letter of Credit, as applicable, no Default shall have
occurred and be continuing.

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

ARTICLE V

Affirmative Covenants

     Until the Commitments have expired or been terminated and the principal of and interest on
each Loan and all fees payable hereunder shall have been paid in full and all Letters of Credit
shall have expired or terminated and all LC Disbursements shall have been reimbursed, the Borrower
covenants and agrees with the Lenders that:

     SECTION 5.01. Financial Statements and Other Information. The Borrower will furnish,
or cause to be furnished, to the Administrative Agent and each Lender:

     (a) within 15 days after filing same with the Securities and Exchange Commission
(“SEC”), copies of each annual report on Form 10-K, quarterly report on Form 10-Q and
report on Form 8-K (or any successor or substitute forms) that the Borrower is required to file
with the SEC pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended,
and any successor statute (the “Exchange Act”);

     (b) if the Borrower is not subject to the requirements of Section 13 or 15(d) of the Exchange
Act, promptly after becoming available and in any event within 105 days after the close of each
fiscal year of the Borrower (i) the audited consolidated balance sheets of the Borrower and its
consolidated Subsidiaries as at the end of such year and (ii) the audited consolidated statements
of income, equity and cash flow of the Borrower and its consolidated Subsidiaries for such year
setting forth in each case in comparative form the corresponding figures for the preceding fiscal
year, which report shall be to the effect that such statements have been prepared in accordance
with GAAP;

     (c) if the Borrower is not subject to Section 13 or 15(d) of the Exchange Act, promptly after
their becoming available and in any event within 60 days after the close of each of the first three
fiscal quarters of each fiscal year of the Borrower, (i) the unaudited consolidated balance sheets
of the Borrower and its consolidated Subsidiaries as at the end of such quarter and (ii) the
unaudited consolidated statements of income, equity and cash flow of the Borrower for such quarter,
setting forth in each case in comparative form the corresponding figures for the preceding fiscal
year, all of the foregoing certified by a Financial Officer of the Borrower to have
been prepared in accordance with GAAP subject to normal changes resulting from year-end
adjustment and accompanied by a written discussion of the financial performance and operating
results, including the major assets, of the Borrower for such quarter; and

     (d) within 60 days after the end of each fiscal quarter of each fiscal year of the Borrower, a
certificate of a Financial Officer of the Borrower substantially in the form of Exhibit F (i)
certifying as to whether a Default has occurred that is then continuing and, if a Default has
occurred that is then continuing, specifying the details thereof and any action taken or proposed
to be taken with respect thereto, and (ii) setting forth in reasonable detail calculations
demonstrating compliance with Section 6.07.

48

 

     SECTION 5.02. Notices of Material Events. The Borrower will furnish to the
Administrative Agent and each Lender prompt written notice of the following:

     (a) the occurrence of any Event of Default; and

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

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

     SECTION 5.03. Existence; Conduct of Business. The Borrower will do or cause to be
done all things necessary to preserve, renew and keep in full force and effect its legal existence
and the rights, licenses, permits, privileges and franchises material to the conduct of its
business; provided that the foregoing shall not prohibit any merger, consolidation,
liquidation or dissolution not prohibited under Section 6.03.

     SECTION 5.04. Maintenance of Properties; Insurance. The Borrower will, and will
cause each of its Subsidiaries to, (a) keep and maintain all property material to the conduct of
its business in good working order and condition, ordinary wear and tear excepted, and (b)
maintain, with financially sound and reputable insurance companies, insurance in such amounts and
against such risks as are customarily maintained by companies engaged in the same or similar
businesses operating in the same or similar locations.

     SECTION 5.05. Books and Records; Inspection Rights. The Borrower will, and will
cause each of its Subsidiaries to, keep in accordance with GAAP proper books of record and account
in which full, true and correct entries are made in all material respects of all dealings and
transactions in relation to its business and activities. The Borrower will, and will cause each of
its Subsidiaries to, permit any representatives designated by the Administrative Agent or any
Lender, upon reasonable prior notice, to visit and inspect its properties, to examine and make
extracts from its books and records, and to discuss its affairs, finances and condition with its
officers and independent accountants, all at such reasonable times and as often as reasonably
requested.

     SECTION 5.06. Compliance with Laws. The Borrower will, and will cause each of its
Subsidiaries to, comply with all laws, rules, regulations and orders of any Governmental Authority
applicable to it or its property, except where the failure to do so, individually or in the
aggregate, could not reasonably be expected to result in a Material Adverse Effect.

     SECTION 5.07. Use of Proceeds and Letters of Credit. The proceeds of the Loans will
be used only (a) initially, in an amount not to exceed $210,000,000, for distribution to Enterprise
Products OLP or its Affiliates to partially fund the Acquisition in connection with the IPO, and
for payment of transaction and offering expenses related to the Acquisition, the IPO, the
Transactions and related transactions, and (b) thereafter, as a backstop for commercial paper and
for working capital, acquisitions, capital expenditures and other company purposes. Letters of
Credit will be used for the Borrower’s and its Subsidiaries’ company purposes. No part of the
proceeds of any Loan will be used, whether directly or indirectly, for any purpose that entails a
violation of any of the Regulations of the Board, including Regulations U and X.

49

 

     SECTION 5.08. Environmental Matters. The Borrower has established and implemented,
or will establish and implement, and will cause each of its Subsidiaries to establish and
implement, such procedures as may be necessary to assure that (except for any failure of the
following that, individually or in the aggregate, does not have a Material Adverse Effect): (i) all
property of the Borrower and its Subsidiaries and the operations conducted thereon are in
compliance with and do not violate the requirements of any Environmental Laws, (ii) no oil or solid
wastes are disposed of or otherwise released on or to any property owned by the Borrower or its
Subsidiaries except in compliance with Environmental Laws, (iii) no Hazardous Materials will be
released on or to any such property in a quantity equal to or exceeding that quantity which
requires reporting pursuant to Section 103 of CERCLA, and (iv) no oil or Hazardous Materials is
released on or to any such property so as to pose an imminent and substantial endangerment to
public health or welfare or the environment.

     SECTION 5.09 ERISA Information. The Borrower will furnish to the Administrative
Agent:

     (a) within 15 Business Days after the institution of or the withdrawal or partial
withdrawal by the Borrower, any Subsidiary or any ERISA Affiliate from any Multiemployer
Plan which would cause the Borrower, any Subsidiary or any ERISA Affiliate to incur
withdrawal liability in excess of $10,000,000 (in the aggregate for all such withdrawals), a
written notice thereof signed by an executive officer of the Borrower stating the applicable
details; and

     (b) within 15 Business Days after an officer of the Borrower becomes aware of any
material action at law or at equity brought against the Borrower, any of its Subsidiaries,
any ERISA Affiliate, or any fiduciary of a Plan in connection with the administration of any
Plan or the investment of assets thereunder, a written notice signed by an executive officer
of the Borrower specifying the nature thereof and what action the Borrower is taking or
proposes to take with respect thereto.

     SECTION 5.10 Taxes. The Borrower will, and will cause each of its Subsidiaries to,
pay and discharge, or cause to be paid and discharged,
promptly or make, or cause to be made, timely deposit of all taxes (including Federal
Insurance Contribution Act payments and withholding taxes), assessments and governmental charges or
levies imposed upon the Borrower or any Subsidiary or upon the income or any property of the
Borrower or any Subsidiary; provided, however, that neither the Borrower nor any
Subsidiary shall be required to pay any such tax, assessment, charge, levy or claim if the amount,
applicability or validity thereof shall currently be contested in good faith by appropriate
proceedings diligently conducted by or on behalf of the Borrower or its Subsidiary, and if the
Borrower or its Subsidiary shall have set up reserves therefor adequate under GAAP or if no
Material Adverse Effect shall be occasioned by all such failures in the aggregate.

ARTICLE VI

Negative Covenants

     Until the Commitments have expired or terminated and the principal of and interest on each
Loan and all fees payable hereunder have been paid in full and all Letters of Credit have expired
or terminated and all LC Disbursements shall have been reimbursed, the Borrower covenants and
agrees with the Lenders that:

50

 

     SECTION 6.01. Indebtedness. The Borrower will not permit any Subsidiary to create,
incur or assume any Indebtedness, except:

     (a) Indebtedness of any Person that becomes a Subsidiary of the Borrower, to the extent such
Indebtedness is outstanding at the time such Person becomes a Subsidiary of the Borrower and was
not incurred in contemplation thereof and Indebtedness refinancing (but not increasing) such
Indebtedness, and Indebtedness assumed by any Subsidiary in connection with its acquisition
(whether by merger, consolidation, acquisition of all or substantially all of the assets or
acquisition that results in the ownership of greater than fifty percent (50%) of the Equity
Interests of a Person) of another Person and Indebtedness refinancing (but not increasing) such
Indebtedness, provided that at the time of and after giving effect to the
incurrence or assumption of such Indebtedness or refinancing Indebtedness and the application of
the proceeds thereof, as the case may be, the aggregate principal amount of all such Indebtedness,
and of all Indebtedness previously incurred or assumed pursuant to this Section 6.01(a), and then
outstanding, shall not exceed 50% of Consolidated EBITDA for the period of four full fiscal
quarters of the Borrower and its Subsidiaries (and such Person on a pro forma basis) then most
recently ended;

     (b) Indebtedness of Project Finance Subsidiaries;

     (c) intercompany Indebtedness; provided any Subsidiary incurring intercompany
Indebtedness shall be required within five Business Days of such incurrence to incur Indebtedness
to its minority interest owners in an amount such that intercompany Indebtedness of such Subsidiary
owing to the Borrower or its Subsidiaries shall not exceed an amount equal to

     (i) the Borrower’s percentage ownership of such Subsidiary times (ii) the amount of all
Indebtedness of such Subsidiary owing to its owners.

     (d) Indebtedness of Evangeline existing on the date hereof and set forth on Schedule 6.01;

     (e) guarantees of the obligations and Indebtedness hereunder; and

     (f) other Indebtedness in an aggregate principal amount not exceeding $25,000,000 at any time
outstanding;

provided, however, that no Subsidiary (other than a Project Finance Subsidiary)
shall create, incur or assume any Indebtedness pursuant to any provision of this Section 6.01 if an
Event of Default shall have occurred and be continuing or would result from such creation,
incurrence or assumption.

     SECTION 6.02. Liens. The Borrower shall not, and shall not permit any Subsidiary
(other than Project Finance Subsidiaries) to, create, assume, incur or suffer to exist any Lien,
other than a Permitted Lien, on any of its assets or property or upon any Equity Interests of any
Subsidiary (other than Project Finance Subsidiaries) which Equity Interests are now owned or
hereafter acquired by the Borrower or such Subsidiary to secure any Indebtedness of the Borrower or
any other Person (other than the Indebtedness under this Agreement). Prior to the date on which
the Borrower obtains an investment-grade rating on its Index Debt from any of Moody’s, S&P or
Fitch, no organizational document of the Borrower or any Subsidiary (other than Project Finance
Subsidiaries
and joint ventures) shall limit, restrict or prohibit, and the Borrower shall not and
shall not permit any Subsidiary (other than a Project Finance Subsidiary

51

 

or joint venture) to enter
into any contract or other agreement, or otherwise consent or approve, any limitation, restriction
or prohibition on its ability to create, incur, assume or suffer to exist Liens on the Equity
Interests of any Subsidiary (other than a Project Finance Subsidiary or joint venture) in favor of
Administrative Agent for the benefit of Lenders to secure the obligations and Indebtedness
hereunder and under the Notes.

     SECTION 6.03. Fundamental Changes. The Borrower will not merge into or consolidate
with any other Person, or permit any other Person to merge into or consolidate with it, or sell,
transfer, lease or otherwise dispose of (in one transaction or in a series of transactions) all or
substantially all of its assets, or all or substantially all of the Equity Interests of any of its
Subsidiaries (other than Project Finance Subsidiaries) (in each case, whether now owned or
hereafter acquired), or liquidate or dissolve, except that, if at the time thereof and immediately
after giving effect thereto no Default shall have occurred and be continuing (i) any Person may
merge into or consolidate with the Borrower in a transaction in which the Borrower is the surviving
entity, (ii) any Subsidiary of the Borrower may be merged into or consolidated with another
Subsidiary, and (iii) the Borrower may sell or otherwise dispose of all or substantially all of
Equity Interests in any Subsidiary to the extent permitted under Section 6.08.

     SECTION 6.04. Investment Restriction. Neither the Borrower nor any Subsidiary (other
than a Project Finance Subsidiary) will make or suffer to exist investments in Project Finance
Subsidiaries, in the aggregate at any one time outstanding, in excess of the sum of (i) the amount
of investments existing as of the Effective Date in Project Finance Subsidiaries, (ii) $50,000,000,
and (iii) the
amount of any portion of the investments permitted by this Section 6.04 repaid to the Borrower
or any Subsidiary as a dividend, repayment of a loan or advance, release or discharge of a
guarantee or other obligation or other transfer of property or return of capital, as the case may
be, occurring after the Effective Date. Computation of the amount of any investment shall be made
without any adjustment for increases or decreases in value, or write-ups, write-downs or write-offs
with respect to such investment or interest or other earnings on such investment.

     SECTION 6.05. Restricted Payments. Except for the distribution to Enterprise
Products OLP or its Affiliates of certain proceeds of the initial Loans as provided in Section
5.07(a), the Borrower will not, and will not permit any of its Subsidiaries (other than Project
Finance Subsidiaries) to, declare or make, or agree to pay or make, directly or indirectly, any
Restricted Payment, except as long as no Event of Default has occurred and is continuing or would
result therefrom, (i) the Borrower may make Restricted Payments from Available Cash (as defined in
the Partnership Agreement) from Operating Surplus (as defined in the Partnership Agreement)
cumulative from January 1, 2007 through the date of such Restricted Payment, (ii) the Borrower may
make additional Restricted Payments of up to $20,000,000 during the term of this Agreement, (iii)
subject to Section 6.09, any Subsidiary may buy back any of its own Equity Interests, and (iv) the
Borrower and its Subsidiaries may make payments or other distributions to officers, directors or
employees with respect to the exercise by any such Persons of options, warrants or other rights to
acquire Equity Interests in the Borrower or such Subsidiary issued pursuant to an employment,
equity award, equity option or equity appreciation agreement or plans entered into by the Borrower
or such Subsidiary in the ordinary course of business; provided, that even if an
Event of Default shall have occurred and is continuing, no Subsidiary shall be prohibited from
upstreaming dividends or other payments to the Borrower or any Subsidiary (which is not a Project
Finance Subsidiary) or making, in the case of any Subsidiary that is not wholly-owned (directly or
indirectly) by the Borrower, dividends or payments, as the case may be, to the other owners of
Equity Interests in such Subsidiary; provided, any dividends

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or payments by any such
Subsidiary that is not wholly-owned (directly or indirectly) by the Borrower to the Borrower shall
be not less than an amount equal to (x) the Borrower’s direct or indirect percentage ownership of
Equity Interests in such Subsidiary times (y) the amount of all such dividends and payments
made to all owners of Equity Interests in such Subsidiary.

     SECTION 6.06. Restrictive Agreements. The Borrower will not, and will not permit any
of its Subsidiaries (other than Project Finance Subsidiaries) to, directly or indirectly, enter
into, incur or permit to exist any agreement or other arrangement with any Person, other than the
Lenders pursuant hereto, which prohibits, restricts or imposes any conditions upon the ability of
any Subsidiary (other than Project Finance Subsidiaries) to (a) pay dividends or make other
distributions or pay any Indebtedness owed to the Borrower or any Subsidiary, or (b) make
subordinate loans or advances to or make other investments in the Borrower or any Subsidiary in
each case, other than restrictions or conditions contained in, or existing by reasons of, any
agreement or instrument (i) relating to any Indebtedness of any Subsidiary permitted by Section
6.01, (ii) relating to property existing at the time of the acquisition thereof, so long as the
restriction or condition relates only to the property so acquired, (iii) relating to any
Indebtedness of, or otherwise to, any Subsidiary at the time such Subsidiary was merged or
consolidated with or into, or acquired by, the Borrower or a Subsidiary or became a Subsidiary and
not created in contemplation thereof, (iv) effecting a renewal, extension, refinancing, refund or
replacement (or successive extensions, renewals, refinancings, refunds or replacements) of
Indebtedness issued under an agreement
referred to in clauses (i) through (iii) above, so long as the restrictions and conditions
contained in any such renewal, extension, refinancing, refund or replacement agreement, taken as a
whole, are not materially more restrictive than the restrictions and conditions contained in the
original agreement, as determined in good faith by the board of directors of the General Partner,
(v) constituting customary provisions restricting subletting or assignment of any leases of the
Borrower or any Subsidiary or provisions in agreements that restrict the assignment of such
agreement or any rights thereunder, (vi) constituting restrictions on the sale or other disposition
of any property securing Indebtedness as a result of a Lien on such property permitted hereunder,
(vii) constituting any temporary encumbrance or restriction with respect to a Subsidiary under an
agreement that has been entered into for the disposition of all or substantially all of the
outstanding Equity Interests of or assets of such Subsidiary, provided that such
disposition is otherwise permitted hereunder, (viii) constituting customary restrictions on cash,
other deposits or assets imposed by customers and other persons under contracts entered into in the
ordinary course of business, (ix) constituting provisions contained in agreements or instruments
relating to Indebtedness that prohibit the transfer of all or substantially all of the assets of
the obligor under that agreement or instrument unless the transferee assumes the obligations of the
obligor under such agreement or instrument or such assets may be transferred subject to such
prohibition, (x) constituting a requirement that a certain amount of Indebtedness be maintained
between a Subsidiary and the Borrower or another Subsidiary, (xi) constituting any restriction or
condition with respect to property under an agreement that has been entered into for the
disposition of such property, provided that such disposition is otherwise permitted
hereunder, (xii) constituting any restriction or condition with respect to property under a
charter, lease or other agreement that has been entered into for the employment of such property or
(xiii) that is a Hybrid Security or an indenture, document, agreement or security entered into or
issued in connection with a Hybrid Security or otherwise constituting a restriction or condition on
the payment of dividends or distributions by an issuer of a Hybrid Security.

     SECTION 6.07 Financial Condition Covenants.

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     (a) Ratio of Consolidated EBITDA to Consolidated Interest Expense. Until the Borrower
obtains an investment-grade rating on its Index Debt from any of Moody’s, S&P or Fitch, the
Borrower shall not permit its ratio of Consolidated EBITDA to Consolidated Interest Expense in each
case for the four full fiscal quarters most recently ended to be less than 2.75 to 1.00 as of the
last day of any fiscal quarter commencing June 30, 2007.

     (b) Leverage Ratio. The Borrower shall not permit its ratio of Consolidated
Indebtedness to Consolidated EBITDA in each case for the four full fiscal quarters most recently
ended (the “Leverage Ratio”) to exceed 4.75 to 1.00 as of the last day of any fiscal
quarter commencing June 30, 2007; provided, following a Specified Acquisition (defined
below), such ratio shall not exceed

5.25 to 1.00 as of the last day of (i) the fiscal quarter in which the Specified Acquisition
occurred (the “Acquisition Quarter”), and (ii) the two fiscal quarters following the
Acquisition Quarter, and

4.75 to 1.00 as of the last day of any fiscal quarter thereafter.

As used herein, “Specified Acquisition” means, at the election of Borrower, one or more
acquisitions of assets or entities or operating lines or divisions in any rolling 12-month period
for
an aggregate purchase price of not less than $25,000,000; provided, in the event the
Leverage Ratio exceeds 4.75 to 1.00 at the end of any fiscal quarter in which one or more
acquisitions otherwise qualifying as a Specified Acquisition but for Borrower’s failure to so elect
shall have occurred, Borrower shall be deemed to have so elected a Specified Acquisition with
respect thereto; provided, further, following the election (or deemed election) of
a Specified Acquisition, Borrower may not elect (or be deemed to have elected) a subsequent
Specified Acquisition unless, at the time of such subsequent election, the Leverage Ratio does not
exceed 4.75 to 1.00.

     (c) Calculation Methodology. For purposes of calculating the financial covenant
ratios set forth in this Section 6.07, the Project Finance Subsidiaries shall be disregarded. In
addition, Consolidated EBITDA and Consolidated Interest Expense shall be calculated on an
annualized basis for the fiscal quarters ending prior to March 31, 2008 as follows: (i) for the
fiscal quarter ending June 30, 2007, such amount for the fiscal quarter ending on such date
times four; (ii) for the fiscal quarter ending September 30, 2007, such amount for the
two-fiscal quarter period ending on such date times two; and (iii) for the fiscal quarter
ending December 31, 2007, such amount for the three-fiscal quarter period ending on such date
times four-thirds. For purposes of this Section 6.07, if during any period of four fiscal
quarters the Borrower or any Subsidiary acquires any Person (or any interest in any Person) or all
or substantially all of the assets of any Person, the EBITDA attributable to such assets or an
amount equal to the percentage of ownership of the Borrower or a Subsidiary, as the case may be, in
such Person times the EBITDA of such Person, for such period determined on a pro forma basis (which
determination, in each case, shall be subject to approval of the Administrative Agent, not to be
unreasonably withheld) may be included as Consolidated EBITDA for such period as if such
acquisition occurred on the first day of such four fiscal quarter period; provided
that during the portion of such period that follows such acquisition, the computation in
respect of the EBITDA of such Person or such assets, as the case may be, shall be made on the basis
of actual (rather than pro forma) results.

In addition, for purposes of this Section 6.07: (i) Hybrid Securities up to an aggregate amount of
15% of Consolidated Total Capitalization shall be excluded from Consolidated Indebtedness, and

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(ii) Consolidated EBITDA may include, at Borrower’s option, any Material Project EBITDA Adjustments as
provided in the definition thereof.

     SECTION 6.08 Asset Dispositions. The Borrower will not, and will not permit any of
its Subsidiaries (other than Project Finance Subsidiaries) to Dispose of any assets or properties,
other than (a) Dispositions of inventory in the ordinary course of business, (b) Dispositions for
which the consideration received therefor is less than $50,000 and Dispositions of machinery and
equipment no longer used or useful in the conduct of business of the Borrower and its Subsidiaries
that are Disposed of in the ordinary course of business, (c) Dispositions of assets to the Borrower
or a Subsidiary (other than a Project Finance Subsidiary), (d) Dispositions of cash equivalents for
fair market value and Dispositions of investments permitted under Section 6.04, (e) Dispositions of
accounts receivable in connection with the collection or compromise thereof, (f) Dispositions of
licenses, sublicenses, leases or subleases granted to others not interfering in any material
respect with the business of the Borrower and its Subsidiaries, (g) Dispositions in which: (i) the
assets being disposed are used simultaneously in exchange for replacement assets or (ii) the net
proceeds thereof are either (A) reinvested within 180 days from such Disposition in assets to be
used in the ordinary course of the business of the Borrower and its Subsidiaries and/or (B) used to
permanently reduce the aggregate Lenders’ Commitments on a dollar for dollar basis, (h) the sale
of the Evangeline pipeline system pursuant to the exercise of the previously-granted purchase
option with respect thereto by the holder thereof, and (i) other Dispositions not exceeding in the
aggregate for the Borrower and its Subsidiaries, determined as of the date of such Disposition (A)
10% of Consolidated Net Tangible Assets, in any fiscal year and (B) 25% of Consolidated Net
Tangible Assets during the term of this Agreement. For purposes of the foregoing, prior to receipt
by the Administrative Agent of the Borrower’s first quarterly financial statements pursuant to
Section 5.01(a), Consolidated Net Tangible Assets shall be determined based upon the Borrower’s pro
forma financial statements delivered pursuant to Section 4.01(i), and thereafter, on the Borrower’s
most recently delivered quarterly or annual financial statements.

     SECTION 6.09 Affiliate Transactions. The Borrower will not, and will not permit any
Subsidiary to, directly or indirectly, pay any funds to or for the account of, make any investment
in, lease, sell, transfer or otherwise dispose of any assets, tangible or intangible, to, or
participate in, or effect, any transaction with, any officer, director, employee or Affiliate
(other than the Borrower or any Subsidiary) unless any and all such transactions between the
Borrower and its Subsidiaries on the one hand and any officer, director, employee or Affiliate
(other than the Borrower or any Subsidiary) on the other hand, shall be on an arms-length basis and
on terms no less favorable to the Borrower or such Subsidiary than could have been obtained from a
third party who was not an officer, director, employee or Affiliate (other than the Borrower or any
Subsidiary); provided, that the foregoing provisions of this Section shall not (a) prohibit
the Borrower or any Subsidiary from declaring or paying any lawful dividend or distribution
otherwise permitted hereunder, (b) prohibit the Borrower or any Subsidiary from providing credit
support for its Subsidiaries (other than Project Finance Subsidiaries) as it deems appropriate in
the ordinary course of business, (c) prohibit the Borrower or any Subsidiary from engaging in a
transaction or transactions that are not on an

55

 

arms-length basis or are not on terms as favorable
as could have been obtained from a third party, provided that such transaction or transactions
occurs within a related series of transactions, which, in the aggregate, are on an arms-length
basis and are on terms as favorable as could have been obtained from a third party, (d) prohibit
the Borrower or any Subsidiary from engaging in non-material transactions with any officer,
director, employee or Affiliate of the Borrower or any Subsidiary that are not on an arms-length
basis or are not on terms as favorable as could have been obtained from a third party but are in
the ordinary course of the Borrower’s or such Subsidiary’s business, so long as, in each case,
after giving effect thereto, no Default or Event of Default shall have occurred and be continuing,
(e) prohibit the Borrower or any Subsidiary from entering into any of the Acquisition Documents or
the agreements to be entered into in connection with the IPO as described in the Registration
Statement and/or in the forms provided to the Administrative Agent and Lenders on or prior to the
date hereof, provided, any right of first refusal with respect to the purchase of any assets of the
Borrower or any Subsidiary (other than a Project Finance Subsidiary) granted to any Affiliate shall
by its terms automatically terminate upon the occurrence of an Event of Default as described in
Section 7(g), (h) or (i), or (f) prohibit the Borrower or any Subsidiary from engaging in a
transaction with an Affiliate if such transaction has been approved by a majority of the General
Partner’s independent directors.

ARTICLE VII

Events of Default

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

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

     (b) the Borrower shall fail to pay any interest on any Loan or any fee or any other amount
(other than an amount referred to in clause (a) of this Article) payable under this Agreement, when
and as the same shall become due and payable, and such failure shall continue unremedied for a
period of five (5) Business Days;

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

     (d) the Borrower shall fail to observe or perform any covenant, condition or agreement
contained in Section 5.02, 5.03 (with respect to the Borrower’s existence) or 5.07 or in Article
VI;

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

     (f) the Borrower or any Material Subsidiary (other than Project Finance Subsidiaries) shall
(i) fail to pay (A) any principal of or premium or interest on any Material Indebtedness of the
Borrower or such Material Subsidiary (as the case may be), or (B) aggregate net obligations under
one or more Hedging Agreements (excluding amounts the validity of which are being contested in good
faith by appropriate proceedings, if necessary, and for which adequate reserves

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with respect
thereto are maintained on the books of the Borrower or such Material Subsidiary (as the case may
be)) in excess of $10,000,000, in each case when the same becomes due and payable (whether by
scheduled maturity, required prepayment, acceleration, demand or otherwise), and such failure shall
continue after the applicable grace period, if any, specified in the agreement or instrument
relating to such Material Indebtedness or such Hedging Agreements; or (ii) default in the
observance or performance of any covenant or obligation contained in any
agreement or instrument relating to any such Material Indebtedness that in substance is
customarily considered a default in loan documents (in each case, other than a failure to pay
specified in clause (i) of this subsection (f)) and such default shall continue after the
applicable grace period, if any, specified in such agreement or instrument, if the effect thereof
is to accelerate the maturity of such Material Indebtedness or require such Material Indebtedness
to be prepaid prior to the stated maturity thereof; for the avoidance of doubt the parties
acknowledge and agree that any payment required to be made under a guaranty of payment or
collection described in clause (c) of the definition of Indebtedness shall be due and payable at
the time such payment is due and payable under the terms of such guaranty (taking into account any
applicable grace period) and such payment shall be deemed not to have been accelerated or required
to be prepaid prior to its stated maturity as a result of the obligation guaranteed having become
due;

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

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

     (i) the Borrower or any Material Subsidiary (other than Project Finance Subsidiaries) shall
become unable, admit in writing its inability or fail generally to pay its debts as they become
due;

     (j) one or more judgments for the payment of money in an aggregate uninsured amount equal to
or greater than $10,000,000 shall be rendered against the Borrower or any Material Subsidiary
(other than Project Finance Subsidiaries) or any combination thereof and the same shall remain
undischarged for a period of 30 consecutive days during which execution shall not be effectively
stayed, or any action shall be legally taken by a judgment creditor to attach or

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levy upon any
assets of the Borrower or any such Material Subsidiary to enforce any such judgment;

     (k) an ERISA Event shall have occurred that, when taken together with all other ERISA Events
that have occurred, could reasonably be expected to result in liability of the Borrower and its
Subsidiaries in an aggregate amount exceeding $10,000,000 for all periods;

     (l) the General Partner takes, suffers or permits to exist any of the events or conditions
referred to in clauses (g), (h) or (i) of this Article; or

     (m) a Change in Control shall occur;

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

ARTICLE VIII

The Administrative Agent

     Each of the Lenders and the Issuing Bank hereby irrevocably appoints the Administrative Agent
as its agent and authorizes the Administrative Agent to take such actions on its behalf and to
exercise such powers as are delegated to the Administrative Agent by the terms hereof, together
with such actions and powers as are reasonably incidental thereto.

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

     The Administrative Agent shall not have any duties or obligations except those expressly set
forth herein. Without limiting the generality of the foregoing, (a) the Administrative Agent shall
not be subject to any fiduciary or other implied duties, regardless of whether a Default has
occurred and is continuing, (b) the Administrative Agent shall not have any duty to take any
discretionary action or exercise any discretionary powers, except discretionary rights and powers
expressly contemplated hereby that the Administrative Agent is required to exercise in writing

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by the Required Lenders (or such other number or percentage of the Lenders as shall be
necessary under the circumstances as provided in Section 9.02), and (c) except as expressly set
forth herein, the Administrative Agent shall not have any duty to disclose, and shall not be liable
for the failure to disclose, any information relating to the Borrower or any of its Subsidiaries
that is communicated to or obtained by the bank serving as Administrative Agent or any of its
Affiliates in any capacity. The Administrative Agent shall not be liable to the Lenders for any
action taken or not taken by it with the consent or at the request of the Required Lenders (or such
other number or percentage of the Lenders as shall be necessary under the circumstances as provided
in Section 9.02) or in the absence of its own gross negligence or willful misconduct. The
Administrative Agent shall be deemed not to have knowledge of any Default unless and until written
notice thereof is given to the Administrative Agent by the Borrower or a Lender, and the
Administrative Agent shall not be responsible for or have any duty to ascertain or inquire into (i)
any statement, warranty or representation made in or in connection with this Agreement, (ii) the
contents of any certificate, report or other document delivered hereunder or in connection
herewith, (iii) the performance or observance of any of the covenants, agreements or other terms or
conditions set forth herein, (iv) the validity, enforceability, effectiveness or genuineness of
this Agreement or any other agreement, instrument or document, or (v) the satisfaction of any
condition set forth in Article IV or elsewhere herein, other than to confirm receipt of items
expressly required to be delivered to the Administrative Agent.

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

     The Administrative Agent may perform any and all its duties and exercise its rights and powers
by or through any one or more sub-agents appointed by the Administrative Agent. The Administrative
Agent and any such sub-agent may perform any and all its duties and exercise its rights and powers
through their respective Related Parties. The exculpatory provisions of the preceding paragraphs
shall apply to any such sub-agent and to the Related Parties of the Administrative Agent and any
such sub-agent, and shall apply to their respective activities in connection with the syndication
of the credit facilities provided for herein as well as activities as Administrative Agent.
Anything herein to the contrary notwithstanding, neither the Administrative Agent, the
Co-Syndication Agents, the Co-Documentation Agents, the Joint Lead Arrangers nor the Joint Book
Runners listed on the cover page hereof shall have any powers, duties or responsibilities under
this Agreement, the Notes or any documents related hereto or thereto, except in its capacity, as
applicable, as Administrative Agent, Issuing Bank, Swingline Lender or a Lender hereunder.

     Subject to the appointment and acceptance of a successor Administrative Agent as provided in
this paragraph, the Administrative Agent may resign at any time by notifying the Lenders, the
Issuing Bank and the Borrower. Upon any such resignation, the Required Lenders shall have the
right, with the Borrower’s approval (which will not be unreasonably withheld), to appoint a
successor. If no successor shall have been so appointed by the Required Lenders and

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shall have accepted such appointment within 30 days after the retiring Administrative Agent
gives notice of its resignation, then the retiring Administrative Agent may, with the Borrower’s
approval (which will not be unreasonably withheld or delayed, and the Borrower’s approval shall not
be required if an Event of Default has occurred which is continuing), on behalf of the Lenders and
the Issuing Bank, appoint a successor Administrative Agent which shall be a bank with an office in
New York, New York, or an Affiliate of any such bank and such bank, or its Affiliate, as
applicable, shall have capital and surplus equal to or greater than $500,000,000. Upon the
acceptance of its appointment as Administrative Agent hereunder by a successor, such successor
shall succeed to and become vested with all the rights, powers, privileges and duties of the
retiring Administrative Agent, and the retiring Administrative Agent shall be discharged from its
duties and obligations hereunder. The fees payable by the Borrower to a successor Administrative
Agent shall be the same as those payable to its predecessor unless otherwise agreed between the
Borrower and such successor. After the Administrative Agent’s resignation hereunder, the
provisions of this Article and Section 9.03 shall continue in effect for the benefit of such
retiring Administrative Agent, its sub-agents and their respective Related Parties in respect of
any actions taken or omitted to be taken by any of them while it was acting as Administrative
Agent.

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

ARTICLE IX

Miscellaneous

     SECTION 9.01. Notices. Except in the case of notices and other communications
expressly permitted to be given by telephone, and except as provided in Section 9.01(f), all
notices and other communications provided for herein shall be in writing and shall be delivered by
hand or overnight courier service, mailed by certified or registered mail or sent by telecopy, as
follows:

     (a) if to the Borrower, to it at 1100 Louisiana Street, 10th Floor, Houston, Texas
77002 (for delivery), Attention of Treasurer; P. O. Box 4324, Houston Texas 77210 (for mail)
(Telecopy No. 713/381-8200);

     (b) if to the Administrative Agent, to Wachovia Bank, National Association, 201 South College
Street, CP23, Charlotte, North Carolina 28288-0608, Attention of Syndication Agency Services
(Telecopy No. 704/383-0288), with a copy to Wachovia Securities, Inc., 1001 Fannin, Suite 2255,
Houston, Texas 77002, Attention of Russell T. Clingman (Telecopy No. 713/650-6354);

     (c) if to the Issuing Bank, to Wachovia Bank, National Association, 201 South College Street,
CP23, Charlotte, North Carolina 28288-0608, Attention of Syndication Agency Services (Telecopy No.
704/383-0288), with a copy to Wachovia Securities, Inc., 1001 Fannin,

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Suite 2255, Houston, Texas
77002, Attention of Russell T. Clingman (Telecopy No. 713/650-6354);

     (d) if to the Swingline Lender, to Wachovia Bank, National Association, 201 South College
Street, CP23, Charlotte, North Carolina 28288-0608, Attention of Syndication Agency Services
(Telecopy No. 704/383-0288), with a copy to Wachovia Securities, Inc., 1001 Fannin, Suite 2255,
Houston, Texas 77002, Attention of Russell T. Clingman (Telecopy No. 713/650-6354); and

     (e) if to any other Lender, to it at its address (or telecopy number) of record with the
Administrative Agent, which Administrative Agent shall provide to the Borrower or any Lender upon
request from time to time.

     (f) The Borrower will have the option to provide to the Administrative Agent all information,
documents and other materials that it is obligated to furnish to the Administrative Agent pursuant
to this Agreement or any other document executed in connection herewith, including, without
limitation, all notices, requests, financial statements, financial and other reports, certificates
and other information materials, but excluding any such communication that (i) relates to a request
for a new, or a conversion of an existing, Borrowing or other extension of credit (including any
election of an interest rate or Interest Period relating thereto) or relates to the issuance,
amendment, renewal or extension of any Letter of Credit, (ii) relates to the payment of any
principal or other amount due under this Agreement prior to the scheduled date therefor, (iii)
provides notice of any Default or Event of Default, or (iv) other than the requirements set forth
in Sections 3.04(a), 4.01(i) and 5.01, is required to be delivered to satisfy any condition
precedent to the effectiveness of this Agreement and/or any Borrowing, any issuance, amendment,
renewal or extension of any Letter of Credit or any other extension of credit hereunder (all such
non-excluded communications being referred to herein collectively as “Communications”), by
transmitting the Communications in an electronic/soft medium in a format acceptable to the
Administrative Agent. The Borrower further agrees that the Administrative Agent may make the
Communications available to the Lenders and the Issuing Bank by posting the Communications on
SyndTrak or a substantially similar electronic transmission system (the “Platform”). The
Borrower acknowledges that the distribution of material through an electronic medium is not
necessarily secure and that there are confidentiality and other risks associated with such
distribution. The Platform is provided “as is” and “as available”. The Agent Parties (as
defined below) do not warrant the accuracy or completeness of the Communications, or the adequacy
of the Platform and expressly disclaim liability for errors or omissions in the Communications. No
warranty of any kind, express, implied or statutory, including, without limitation, 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 the Agent Parties in connection with the
Communications or the Platform. In no event shall the Administrative Agent or
any of its affiliates or any of their respective officers, directors, employees, agents,
advisors or representatives (collectively, “Agent Parties”) have any liability to the Borrower, any
Lender or any other Person or entity for damages of any kind, including, without limitation, direct
or indirect, special, incidental or consequential damages, losses or expenses (whether in tort,
contract or otherwise) arising out of the Borrower’s or the Administrative Agent’s transmission of
Communications through the internet, except to the extent the liability of any Agent Party is found
in a final non-appealable judgment by a court of competent jurisdiction to have resulted primarily
from such Agent Party’s gross

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negligence or willful misconduct. The Administrative Agent
agrees that the receipt of the Communications by the Administrative Agent at its e-mail address as
specified by the Administrative Agent from time to time shall constitute effective delivery of the
Communications to the Administrative Agent for purposes of this Agreement and any other documents
executed in connection herewith. Each of the Issuing Bank and the Lenders agrees that notice to it
(as provided in the next sentence) specifying that the Communications have been posted to the
Platform shall constitute effective delivery of the Communications to such Issuing Bank or Lender,
as the case may be, for purposes of this Agreement and any other documents executed in connection
herewith. Each of the Issuing Bank and the Lenders agrees to notify the Administrative Agent in
writing (including by electronic communication) from time to time of such Issuing Bank’s or
Lender’s, as the case may be, e-mail address to which the foregoing notice may be sent by
electronic transmission, and (ii) that the foregoing notice may be sent to such e-mail address.
Nothing herein shall prejudice the right of the Administrative Agent or any Lender to give any
notice or other communication pursuant hereto or any other document executed in connection herewith
in any other manner specified herein or therein.

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

     SECTION 9.02. Waivers; Amendments. (a) No failure or delay by the Administrative
Agent, the Issuing Bank or any Lender in exercising any right or power hereunder shall operate as a
waiver thereof, nor shall any single or partial exercise of any such right or power, or any
abandonment or discontinuance of steps to enforce such a right or power, preclude any other or
further exercise thereof or the exercise of any other right or power. The rights and remedies of
the Administrative Agent, the Issuing Bank and the Lenders hereunder are cumulative and are not
exclusive of any rights or remedies that they would otherwise have. No waiver of any provision of
this Agreement or consent to any departure by the Borrower therefrom shall in any event be
effective unless the same shall be permitted by paragraph (b) of this Section, and then such waiver
or consent shall be effective only in the specific instance and for the purpose for which given.
Without limiting the generality of the foregoing, the making of a Loan or issuance of a Letter of
Credit shall not be construed as a waiver of any Default, regardless of whether the Administrative
Agent, any Lender or the Issuing Bank may have had notice or knowledge of such Default at the time.

     (b) Neither this Agreement nor any provision hereof may be waived, amended or modified except
pursuant to an agreement or agreements in writing entered into by the Borrower and the Required
Lenders or by the Borrower and the Administrative Agent with the consent of the Required Lenders;
provided that no such agreement shall (i) increase or extend the Commitment of any
Lender without the written consent of such Lender, (ii) reduce the principal
amount of any Loan or LC Disbursement or reduce the rate of interest thereon, or reduce any
fees payable hereunder, without the written consent of each Lender affected thereby, (iii) postpone
the scheduled date of payment of the principal amount of any Loan or LC Disbursement, or any
interest thereon, or any fees payable hereunder, or reduce the amount of, waive or excuse any such
payment, or postpone the scheduled date of expiration of any Commitment, without the written
consent of each Lender affected thereby, (iv) change Section 2.18(b) or (c) in a manner that would
alter the pro rata sharing of payments required thereby, without the written consent of each
Lender, or (v) change any of the provisions of this Section or

62

 

the definition of “Required Lenders”
or any other provision hereof specifying the number or percentage of Lenders required to waive,
amend or modify any rights hereunder or make any determination or grant any consent hereunder,
without the written consent of each Lender; provided further that no such agreement shall
amend, modify or otherwise affect the rights or duties of the Administrative Agent, the Issuing
Bank or the Swingline Lender hereunder without the prior written consent of the Administrative
Agent, the Issuing Bank or the Swingline Lender, as the case may be.

     SECTION 9.03. Expenses; Indemnity; Damage Waiver. (a) The Borrower shall pay (i)
all reasonable out-of-pocket expenses incurred by the Administrative Agent and its Affiliates,
including the reasonable fees, charges and disbursements of one law firm as counsel for the
Administrative Agent, in connection with the syndication (prior to the Effective Date) of the
credit facilities provided for herein, the preparation and administration of this Agreement or any
amendments, modifications or waivers of the provisions hereof (whether or not the transactions
contemplated hereby or thereby shall be consummated), (ii) all reasonable out-of-pocket expenses
incurred by the Issuing Bank in connection with the issuance, amendment, renewal or extension of
any Letter of Credit or any demand for payment thereunder and (iii) all out-of-pocket expenses
reasonably incurred during the existence of an Event of Default by the Administrative Agent, the
Issuing Bank or any Lender, including the fees, charges and disbursements of any counsel for the
Administrative Agent, the Issuing Bank or any Lender, in connection with the enforcement or
protection of its rights in connection with this Agreement, including its rights under this
Section, or in connection with the Loans made or Letters of Credit issued hereunder, including all
such out-of-pocket expenses incurred during any workout, restructuring or negotiations in respect
of such Loans or Letters of Credit.

     (b) The Borrower shall indemnify the Administrative Agent, the Issuing Bank and each Lender,
and each Related Party of any of the foregoing Persons (each such Person being called an
“Indemnitee”) against, and hold each Indemnitee harmless from, any and all losses, claims,
damages, liabilities and related expenses, including the fees, charges and disbursements of any
counsel for any Indemnitee, incurred by or asserted against any Indemnitee arising out of, in
connection with, or as a result of (i) the execution or delivery of this Agreement or any agreement
or instrument contemplated hereby, the performance by the parties hereto of their respective
obligations hereunder or the consummation of the Transactions or any other transactions
contemplated hereby, (ii) any Loan or Letter of Credit or the use of the proceeds therefrom
(including any refusal by the Issuing Bank to honor a demand for payment under a Letter of Credit
if the documents presented in connection with such demand do not strictly comply with the terms of
such Letter of Credit), (iii) any actual or alleged presence or release of Hazardous Materials on
or from any property owned or operated by the Borrower or any of its Subsidiaries, or any
Environmental Liability related in any way to the Borrower or any of its Subsidiaries, or (iv) any
actual or prospective claim, litigation, investigation or proceeding
relating to any of the foregoing, whether based on contract, tort or any other theory and
regardless of whether any Indemnitee is a party thereto; provided that such
indemnity shall not, as to any Indemnitee, be available (x) to the extent that such losses, claims,
damages, liabilities or related expenses resulted from the gross negligence or willful misconduct
of such Indemnitee or any Related Party of such Indemnitee, or (y) in connection with disputes
among or between the Administrative Agent, Lenders, Issuing Bank and/or their respective Related
Parties.

     (c) To the extent that the Borrower fails to pay any amount required to be paid by it to the
Administrative Agent, the Issuing Bank or the Swingline Lender under paragraph (a) or (b)

63

 

of this
Section, each Lender severally agrees to pay to the Administrative Agent, the Issuing Bank or the
Swingline Lender, as the case may be, such Lender’s Applicable Percentage (determined as of the
time that the applicable unreimbursed expense or indemnity payment is sought) of such unpaid
amount; provided that the unreimbursed expense or indemnified loss, claim, damage,
liability or related expense, as the case may be, was incurred by or asserted against the
Administrative Agent, the Issuing Bank or the Swingline Lender in its capacity as such.

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

     (e) All amounts due under this Section shall be payable not later than 30 days after written
demand therefor, such demand to be in reasonable detail setting forth the basis for and method of
calculation of such amounts.

     SECTION 9.04. Successors and Assigns. (a) The provisions of this Agreement shall be
binding upon and inure to the benefit of the parties hereto and their respective successors and
assigns permitted hereby (including any Affiliate of the Issuing Bank that issues any Letter of
Credit), except that the Borrower may not assign or otherwise transfer any of its rights or
obligations hereunder without the prior written consent of each Lender (and any attempted
assignment or transfer by the Borrower without such consent 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 (including any Affiliate
of the Issuing Bank that issues any Letter of Credit) and, to the extent expressly contemplated
hereby, the Related Parties of each of the Administrative Agent, the Issuing Bank and the Lenders)
any legal or equitable right, remedy or claim under or by reason of this Agreement.

     (b) Any Lender may assign to one or more assignees all or a portion of its rights and
obligations under this Agreement (including all or a portion of its Commitment and the Loans at the
time owing to it); provided that (i) except in the case of an assignment to a Lender (or
an Affiliate of a Lender with a rating of at least A from S&P or A2 from Moody’s), each of the
Borrower and the Administrative Agent (and, in the case of an assignment of all or a portion of a
Commitment or any Lender’s obligations in respect of its LC Exposure or Swingline Exposure, the
Issuing Bank and the Swingline Lender) must give their prior written consent to such assignment
(which consent shall not be unreasonably withheld or delayed), (ii) except in the case of an
assignment to a Lender or an Affiliate of a Lender or an assignment of the entire remaining amount
of the assigning Lender’s Commitment, the amount of the Commitment of the assigning
Lender subject to each such assignment (determined as of the date the Assignment and
Acceptance with respect to such assignment is delivered to the Administrative Agent) shall not be
less than $5,000,000 unless each of the Borrower and the Administrative Agent otherwise consent,
(iii) each partial assignment shall result in the assignor retaining a Commitment of not less than
$10,000,000 and shall be made as an assignment of a proportionate part of all the assigning
Lender’s rights and obligations under this Agreement, except that this clause (iii) shall not apply
to rights in respect of outstanding Competitive Loans, (iv) the parties (other than the Borrower)
to each assignment shall execute and deliver to the Administrative Agent an Assignment and
Acceptance, together with a processing and recordation fee of $3,500, (v) the

64

 

assignee, if it shall
not be a Lender, shall deliver to the Administrative Agent an Administrative Questionnaire and (vi)
no assignment to a foreign bank shall be made hereunder unless, at the time of such assignment,
there is no withholding tax applicable with respect to such foreign bank for which the Borrower
would be or become responsible under Section 2.17; and provided further that any consent of
the Borrower otherwise required under this paragraph shall not be required if an Event of Default
has occurred and is continuing. Subject to acceptance and recording thereof pursuant to paragraph
(d) of this Section, from and after the effective date specified in each Assignment and Acceptance
the assignee thereunder shall be a party hereto and, to the extent of the interest assigned by such
Assignment and Acceptance, 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 Acceptance, be released from its obligations under this Agreement (and, in the case of an
Assignment and Acceptance covering all of the assigning Lender’s rights and obligations under this
Agreement, such Lender shall cease to be a party hereto but shall continue to be entitled to the
benefits of Sections 2.15, 2.16, 2.17 and 9.03 as to matters occurring on or prior to date of
assignment). Any assignment or transfer by a Lender of rights or obligations under this Agreement
that does not comply with this paragraph shall be treated for purposes of this Agreement as a sale
by such Lender of a participation in such rights and obligations in accordance with paragraph (e)
of this Section.

     (c) The Administrative Agent, acting for this purpose as an agent of the Borrower, shall
maintain at one of its offices in The City of New York, the address of which shall be made
available to any party to this Agreement upon request: a copy of each Assignment and Acceptance
delivered to it and a register for the recordation of the names and addresses of the Lenders, and
the Commitment of, and principal amount of the Loans and LC Disbursements owing to, each Lender
pursuant to the terms hereof from time to time (the “Register”). The entries in the
Register shall be conclusive absent manifest error, and the Borrower, the Administrative Agent, the
Issuing Bank and the Lenders may treat each Person whose name is recorded in the Register pursuant
to the terms hereof as a Lender hereunder for all purposes of this Agreement, notwithstanding
notice to the contrary. The Register shall be available for inspection by the Borrower, the
Issuing Bank and any Lender, at any reasonable time and from time to time upon reasonable prior
notice.

     (d) Upon its receipt of a duly completed Assignment and Acceptance executed by an assigning
Lender and an assignee, the assignee’s completed Administrative Questionnaire (unless the assignee
shall already be a Lender hereunder), the processing and recordation fee referred to in paragraph
(b) of this Section and any written consent to such assignment required by paragraph (b) of this
Section, the Administrative Agent shall accept such Assignment and Acceptance and record the
information contained therein in the Register. No assignment shall be effective for purposes of
this Agreement unless it has been recorded in the Register as provided in this paragraph.

     (e) Any Lender may, without the consent of the Borrower, the Administrative Agent, the Issuing
Bank or the Swingline Lender, sell participations to one or more banks or other entities (a
“Participant”) in all or a portion of such Lender’s rights and obligations under this
Agreement (including all or a portion of its Commitment and the 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 Borrower, the Administrative Agent, the Issuing Bank
and the other Lenders shall continue to deal solely and directly with such Lender in connection
with such Lender’s rights and

65

 

obligations under this Agreement. Any agreement or instrument
pursuant to which a Lender sells such a participation shall provide that such Lender shall retain
the sole right to enforce this Agreement and to approve any amendment, modification or waiver of
any provision of this Agreement; provided that such agreement or instrument may
provide that such Lender will not, without the consent of the Participant, agree to any amendment,
modification or waiver described in the first proviso to Section 9.02(b) that affects such
Participant.

     (f) A Participant shall not be entitled to receive any greater payment under Section 2.15 or
2.17 than the applicable Lender would have been entitled to receive with respect to the
participation sold to such Participant, unless the sale of the participation to such Participant is
made with the Borrower’s prior written consent. A Participant that would be a Foreign Lender if it
were a Lender shall not be entitled to the benefits of Section 2.17 unless the Borrower is notified
of the participation sold to such Participant and such Participant agrees, for the benefit of the
Borrower, to comply with Section 2.17(e) as though it were a Lender and has zero withholding at the
time of participation.

     (g) Any Lender may at any time pledge or assign a security interest in all or any portion of
its rights under this Agreement to secure obligations of such Lender to a Federal Reserve Bank, and
this Section shall not apply to any such pledge or assignment of a security interest;
provided that no such pledge or assignment of a security interest shall release a
Lender from any of its obligations hereunder or substitute any such pledgee or assignee for such
Lender as a party hereto.

     SECTION 9.05. Survival. All covenants, agreements, representations and warranties
made by the Borrower herein and in the certificates or other instruments delivered in connection
with or pursuant to this Agreement shall be considered to have been relied upon by the other
parties hereto and shall survive the execution and delivery of this Agreement and the making of any
Loans and issuance of any Letters of Credit, regardless of any investigation made by any such other
party or on its behalf and notwithstanding that the Administrative Agent, the Issuing Bank or any
Lender may have had notice or knowledge of any Default or incorrect representation or warranty at
the time any credit is extended hereunder, and shall continue in full force and effect as long as
the principal of or any accrued interest on any Loan or any fee or any other amount payable under
this Agreement is outstanding and unpaid or any Letter of Credit is outstanding and so long as the
Commitments have not expired or terminated. The provisions of Sections 2.15, 2.16, 2.17 and 9.03
and Article VIII shall survive and remain in full force and effect regardless of the consummation
of the transactions contemplated hereby, the repayment of the Loans, the expiration or termination
of the Letters of Credit and the Commitments or the termination of this Agreement or any provision
hereof.

     SECTION 9.06. Counterparts; Integration; Effectiveness. This Agreement may be
executed in
counterparts (and by different parties hereto on different counterparts), each of which shall
constitute an original, but all of which when taken together shall constitute a single contract.
This Agreement and any separate letter agreements with respect to fees payable to the
Administrative Agent constitute the entire contract among the parties relating to the subject
matter hereof and supersede any and all previous agreements and understandings, oral or written,
relating to the subject matter hereof. This Agreement shall become effective on the Effective
Date, and thereafter shall be binding upon and inure to the benefit of the parties hereto and their
respective successors and assigns. Delivery of an executed counterpart of a signature page of this
Agreement by telecopy shall be effective as delivery of a manually executed counterpart of this
Agreement.

66

 

     SECTION 9.07. Severability. Any provision of this Agreement held to be invalid,
illegal or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the
extent of such invalidity, illegality or unenforceability without affecting the validity, legality
and enforceability of the remaining provisions hereof; and the invalidity of a particular provision
in a particular jurisdiction shall not invalidate such provision in any other jurisdiction.

     SECTION 9.08. Right of Setoff. If an Event of Default shall have occurred and be
continuing and the Required Lenders have directed the Administrative Agent to accelerate under
Article VII, each Lender and each of its Affiliates is hereby authorized at any time and from time
to time, to the fullest extent permitted by law, to set off and apply any and all deposits (general
or special, time or demand, provisional or final) at any time held and other obligations at any
time owing by such Lender or Affiliate to or for the credit or the account of the Borrower against
any of and all the obligations of the Borrower now or hereafter existing under this Agreement held
by such Lender, irrespective of whether or not such Lender shall have made any demand under this
Agreement and although such obligations may be unmatured. The rights of each Lender under this
Section are in addition to other rights and remedies (including other rights of setoff) which such
Lender may have.

     SECTION 9.09. Governing Law; Jurisdiction; Consent to Service of Process. (a) This
Agreement shall be construed in accordance with and governed by the law of the State of New York.

     (b) The Borrower hereby irrevocably and unconditionally submits, for itself and its property,
to the nonexclusive jurisdiction of the Supreme Court of the State of New York sitting in New York
County and of the United States District Court of the Southern District of New York, and any
appellate court from any thereof, in any action or proceeding arising out of or relating to this
Agreement, or for recognition or enforcement of any judgment, and each of the parties hereto hereby
irrevocably and unconditionally agrees that all claims in respect of any such action or proceeding
may be heard and determined in such New York State or, to the extent permitted by law, in such
Federal court. Each of the parties hereto agrees that a final judgment in any such action or
proceeding shall be conclusive and may be enforced in other jurisdictions by suit on the judgment
or in any other manner provided by law. Nothing in this Agreement shall affect any right that the
Administrative Agent, the Issuing Bank or any Lender may otherwise have to bring any action or
proceeding relating to this Agreement against the Borrower or its properties in the courts of any
jurisdiction.

     (c) The Borrower hereby irrevocably and unconditionally waives, to the fullest extent it may
legally and effectively do so, any objection which it may now or hereafter have to the laying of
venue of any suit, action or proceeding arising out of or relating to this Agreement in any court
referred to in paragraph (b) of this Section. Each of the parties hereto hereby irrevocably
waives, to the fullest extent permitted by law, the defense of an inconvenient forum to the
maintenance of such action or proceeding in any such court.

     (d) Each party to this Agreement irrevocably consents to service of process in the manner
provided for notices in Section 9.01. Nothing in this Agreement will affect the right of any party
to this Agreement to serve process in any other manner permitted by law.

     SECTION 9.10. WAIVER OF JURY TRIAL. EACH PARTY HERETO HEREBY WAIVES, TO THE FULLEST
EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN ANY LEGAL
PROCEEDING DIRECTLY OR

67

 

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

     SECTION 9.11. Headings. Article and Section headings and the Table of Contents used
herein are for convenience of reference only, are not part of this Agreement and shall not affect
the construction of, or be taken into consideration in interpreting, this Agreement.

     SECTION 9.12. Confidentiality. Each of the Administrative Agent, the Co-Syndication
Agents, the Co-Documentation Agents, and the Lenders agrees to maintain the confidentiality of the
Information (as defined below), except that Information may be disclosed (a) to its and its
Affiliates’ directors, officers, employees and agents, including accountants, legal counsel and
other advisors (it being understood that the Persons to whom such disclosure is made will be
informed of the confidential nature of such Information and instructed to keep such Information
confidential), (b) to the extent requested by any regulatory authority, (c) to the extent required
by applicable laws or regulations or by any subpoena or similar legal process, (d) to any other
party to this Agreement, (e) in connection with the exercise of any remedies hereunder or any suit,
action or proceeding relating to this Agreement or the enforcement of rights hereunder, (f) subject
to an agreement containing provisions substantially the same as those of this Section, to any
assignee of or Participant in, or any prospective assignee of or Participant in, any of its rights
or obligations under this Agreement, (g) with the consent of the Borrower or (h) to the extent such
Information (i) becomes publicly available other than as a result of a breach of this Section or
(ii) becomes available to the Administrative Agent, Co-Syndication Agents, the Co-Documentation
Agents or any Lender on a nonconfidential basis from a source other than the Borrower and its
Related Parties. For the purposes of this Section, “Information” means all information received
from the Borrower relating to the Borrower or its business, other than any such information that
is available to the Administrative Agent or any Lender on a nonconfidential basis prior to
disclosure by the Borrower.

     SECTION 9.13. Interest Rate Limitation. Notwithstanding anything herein to the
contrary, if at any time the interest rate applicable to any Loan, together with all fees, charges
and other amounts which are treated as interest on such Loan under applicable law (collectively the
“Charges”), shall exceed the maximum lawful rate (the “Maximum Rate”) which may be
contracted for, charged, taken, received or reserved by the Lender holding such Loan in accordance
with applicable law, the rate of interest payable in respect of such Loan hereunder, together with
all Charges payable in respect thereof, shall be limited to the Maximum Rate and, to the extent
lawful, the interest and Charges that would have been payable in respect of such Loan but were not
payable as a result of the operation of this Section shall be cumulated and the interest and
Charges payable to such Lender in respect of other Loans or periods shall be increased (but not
above the Maximum Rate therefor) until such cumulated amount, together (to the extent lawful) with
interest thereon at the Federal Funds Effective Rate to the date of repayment, shall have been
received by such Lender.

68

 

     SECTION 9.14. Liability of General Partner. It is hereby understood and agreed that
the General Partner shall have no personal liability, as general partner or otherwise, for the
payment of any amount owing or to be owing hereunder.

     SECTION 9.15. USA Patriot Act Notice. Each Lender and Agent (for itself and not on
behalf of any Lender) hereby notifies Borrower that pursuant to the requirements of the USA Patriot
Act (Title III of Pub. L. 107-56 (signed into law October 26, 2003)) (the “Act”), it is
required to obtain, verify and record information that identifies Borrower, which information
includes the name and address of Borrower and other information that will allow such Lender or the
Agent, as applicable, to identify Borrower in accordance with the Act. The Borrower
shall, following a request by the Agent or any Lender, provide all documentation and other
information that the Agent or such Lender reasonably requests in order to comply with its ongoing
obligations under applicable “know your customer” and anti-money laundering rules and regulations,
including the Act.

[Signature Pages to Follow]

69

 

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

	 	 	 	 	 	 	 
	 	 	DUNCAN ENERGY PARTNERS L.P.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	DEP Holdings, LLC, General Partner	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Michael A. Creel	 	 
	 

	 	 	 	 	 	 
	 

	 	 	 	Michael A. Creel	 	 
	 

	 	 	 	Executive Vice President and CFO
	 	 

S-1

 

	 	 	 	 	 
	 	WACHOVIA BANK, N.A.,

Individually, as Administrative Agent,

as Issuing Bank and as Swingline Lender

 	 
	 	By:  	/s/ Shannan Townsend
 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 

S-2

 

	 	 	 	 	 

	 	 	 	 	 
	 	THE BANK OF NOVA SCOTIA,

Individually and as Co-Syndication Agent

 	 
	 	By:  	/s/ Gregory E. George
 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 

S-3

 

	 	 	 	 	 

	 	 	 	 	 
	 	CITIBANK, N.A.,

Individually and as Co-Syndication Agent

 	 
	 	By:  	/s/ Todd Mogil
 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 

S-4

 

	 	 	 	 	 

	 	 	 	 	 
	 	LEHMAN BROTHERS COMMERCIAL BANK,

a Lender

 	 
	 	By:  	/s/ George Janes
 	 
	 	 	Name:  	George Janes 	 
	 	 	Title:  	Chief Credit Officer 	 

S-5

 

	 	 	 	 	 

	 	 	 	 	 
	 	GOLDMAN SACHS CREDIT PARTNERS L.P.,

a Lender

 	 
	 	By:  	 /s/
Mark Walton	 
	 	 	Name:  	Mark Walton	 
	 	 	Title:  	Authorized Signatory	 

S-6

 

	 	 	 	 	 
	 	JPMORGAN CHASE BANK, N.A.,

Individually and as Co-Documentation Agent

 	 
	 	By:  	/s/ Dianne L. Russell
 	 
	 	 	Name:  	Dianne L. Russell 	 
	 	 	Title:  	Vice President 	 

S-7

 

	 	 	 	 	 

	 	 	 	 	 
	 	MORGAN STANLEY BANK, a Lender

 	 
	 	By:  	/s/ Daniel Twenge
 	 
	 	 	Name:  	Daniel Twenge 	 
	 	 	Title:  	Authorized Signatory

Morgan Stanley Bank 	 

S-8

 

	 	 	 	 	 

	 	 	 	 	 
	 	UBS LOAN FINANCE LLC, a Lender

 	 
	 	By:  	/s/ Richard L. Tavrow
 	 
	 	 	Name:  	Richard L. Tavrow 	 
	 	 	Title:  	Director, Banking Products Services, US 	 
	 
	 	 	 
	 	By:  	/s/ Irja R. Otsa
 	 
	 	 	Name:  	Irja R. Otsa 	 
	 	 	Title:  	Associate Director, Banking Products
Services, US 	 

S-9

 

	 	 	 	 	 

	 	 	 	 	 
	 	MIZUHO CORPORATE BANK, LTD.,

Individually and as co-Documentation Agent

 	 
	 	By:  	/s/ Leon Mo
 	 
	 	 	Name:  	Leon Mo 	 
	 	 	Title:  	Senior Vice President 	 

S-10

 

	 	 	 	 	 

	 	 	 	 	 
	 	BANK OF AMERICA, N.A., a Lender

 	 
	 	By:  	/s/ Zewditu Menelik
 	 
	 	 	Name:  	Zewditu Menelik 	 
	 	 	Title:  	Vice President 	 

S-11

 

	 	 	 	 	 

	 	 	 	 	 
	 	MERRILL LYNCH BANK USA, a Lender

 	 
	 	By:  	/s/ Louis Alder
 	 
	 	 	Name:  	Louis Alder 	 
	 	 	Title:  	Director 	 

S-12

 

	 	 	 	 	 

	 	 	 	 	 
	 	ROYAL BANK OF CANADA, a Lender

 	 
	 	By:  	/s/ David A. McCluskey
 	 
	 	 	Name:  	David A. McCluskey 	 
	 	 	Title:  	Authorized Signatory 	 

S-13

 

	 	 	 	 	 

	 	 	 	 	 
	 	SUNTRUST BANK, a Lender

 	 
	 	By:  	/s/ Peter Panos
 	 
	 	 	Name:  	Peter Panos 	 
	 	 	Title:  	Vice President 	 

S-14

 

	 	 	 	 	 

	 	 	 	 	 
	 	WELLS FARGO BANK, N.A., a Lender

 	 
	 	By:  	/s/ Charles W. Randall
 	 
	 	 	Name:  	Charles W. Randall 	 
	 	 	Title:  	Vice President 	 

S-15exv10w21

 

*** Indicates material has been omitted pursuant to a Confidential Treatment Request filed with the Securities and Exchange Commission.
A complete copy of this agreement will be filed separately with the Securities and Exchange Commission.

Exhibit 10.21

AMENDED AND RESTATED PGP STORAGE LEASE

     This is an Amended and Restated Storage Lease (the “Lease”) between Mont Belvieu Caverns,
LLC (“Lessor”) and Enterprise Products Operating L.P. (“Lessee”).

RECITALS:

     A. Enterprise Products Texas Operating L.P. (“EPD Texas OLP”) and Diamond-Koch, L.P. entered
into that certain RGP Storage Lease dated as of January 7, 2002 (the “Original Storage Agreement”);

     B. Lessee entered into that certain Asset Purchase and Sale Agreement with Diamond-Koch, L.P.,
D-K Diamond-Koch, L.L.C. and Diamond-Koch III, L.P., dated as of January 31, 2002 (the “Purchase
Agreement”);

     C. In connection with the Purchase Agreement, Diamond-Koch, L.P. assigned its rights as
“Lessee” under the Original Storage Agreement to Lessee.;

     D. On September 25, 2002, Lessee and EPD Texas OLP entered into an amendment to the Original
Storage Agreement;

     E. Lessee entered into a Contribution, Conveyance and Assumption Agreement by and among
Enterprise Products OLPGP, Inc., EPD Texas OLP and Mont Belvieu Caverns, LLC dated as of
                    , 2007 (“Contribution Agreement”); and

     F. In connection with the Contribution Agreement, EPD Texas OLP assigned its rights as
“Lessor” under the Original Storage Agreement to Lessor.

1. Term; Quantity; Product

For a term commencing January 1, 2007, and ending December 31, 2011 (the “Primary Term”), Lessor
leases to Lessee one (1) underground storage well, commonly known as Well *** (the “Well”), for
storage of polymer grade propylene (referred to as “Product” in this Lease) at Lessor’s underground
storage facility, located near Interstate 10 and State Highway 146 at Mont Belvieu, Texas, subject
to the terms, provisions, and conditions contained herein. Lessee may, at its option, extend the
term of this Lease for one ten (10) year term (the ‘“Renewal Term”) by providing Lessor with
written notice of its intent to renew at least one hundred eighty (180) days in advance of the
expiration of the Primary Term. The Primary Term, together with any exercised Renewal Term, are
sometimes collectively referred to herein as the “Term.”

For purposes of this Lease, a “barrel” of Product is equal to 42 U.S. gallons of equivalent liquid
volume at 60° Fahrenheit.

 

 

2. Lessor’s Facilities.

The Well is connected to Lessee’s Product header system (the “Delivery Point”). All Product
delivered by Lessee into storage or by Lessor out of storage must be delivered by pipeline to the
Delivery Point, and all such deliveries shall be deemed a delivery into or out of storage for the
purposes of computing all applicable charges under this Lease.

In the event of damage to the Well by fire or other casualty, which damages render the Well
incapable of storing Product, Lessor shall be under no obligation to rebuild the damaged Well or
any facilities appurtenant to it to the extent it is not commercially reasonable to do so. Lessee
shall be immediately notified of any such damage and Lessor shall keep Lessee informed of Lessor’s
plans with respect to rebuilding or repair or with respect to providing the alternatives provided
for below. In the event of damages making it commercially unreasonable to rebuild, Lessor may
(subject to the remainder of this paragraph) terminate this Lease; provided, that Lessor shall take
commercially reasonable steps as soon as commercially practicable at Lessor’s cost and expense to
make an alternate well available to Lessee (which shall thereafter become the “Well” hereunder) to
provide Lessee with substantially the same receipt and redelivery capabilities as Lessee had prior
to such damage. As between Lessor and Lessee, control of Lessor’s facilities will rest exclusively
with Lessor.

3. Product Specifications.

Product delivered by Lessee into storage or by Lessor from storage must meet Lessee’s
specifications set out in Exhibit “A” attached hereto and incorporated herein by this reference.
These specifications may be amended by Lessee at any time during the Term, with Lessor’s consent,
which consent shall not be unreasonably withheld.

4. Product Deliveries and Receipts.

It shall be Lessee’s responsibility to make all arrangements necessary to deliver Product for
storage and to receive Product from storage at the Delivery Point, and to pay any charges imposed
by any party (other than Lessor or its Affiliates) for the collection, transfer, and injection of
Lessee’s Product, if any, to or from the Delivery Point The flow rates into and out of storage are
subject to Lessor’s scheduling and operational restrictions.

5. Delivery Restrictions; Allocation.

If Lessor’s scheduling or operational restrictions will not permit all of the customers (including
Lessor) storing any types of products hi any of Lessor’s storage wells to deliver or receive the
volumes of Product requested, then Lessor may allocate among such customers Lessor’s available flow
rates in a fair and equitable manner.

6. Sampling.

Lessor shall have the right (but not the obligation) to sample all Product to be delivered for
storage and may, notwithstanding any other provision hereof, refuse to accept delivery of any
Product if the Product does not meet the specifications provided for in Section 3 of this Lease or,
if in Lessor’s opinion, satisfactory control of Product specifications will not be maintained

2

 

during delivery. At Lessor’s request, Lessee shall provide Lessor access to the Product to be
delivered for the purpose of sampling and provide Lessor representative samples of such Product.

7. Product Measurement.

Measurement of Product into and out of storage shall be made in barrels using metering facilities
of Lessee. Lessee, at its expense, shall operate and maintain the metering facilities for the
measurement of Product into and out of storage. The measurement facilities used shall be of a
standard type generally accepted in the industry and the methods of measurement shall be generally
accepted in the industry. Lessor or its representative may witness any or all meter provings and
otherwise inspect the measurement equipment and will be provided access to Lessee’s metering
facilities for that purpose. All Product gains and losses incurred while the product is under
Lessor’s control shall be for the account of Lessee except as noted in Section 14. Lessee shall
promptly print and furnish Lessor with a report showing the volume of Product delivered and
withdrawn during the preceding day, and shall also provide Lessor with a monthly summary of such
deliveries and receipts. In order to assist Lessor in the management of its brine supply balances,
Lessee will submit to Lessor a) by the fifteenth (15th) day of each month an estimated written
forecast of the anticipated receipts and deliveries of Product for the following month and b) by
the third (3rd) working day of each month, a firm written forecast of the anticipated receipts and
deliveries of Product for the then current month.

8. Title; Risk of Loss.

Title to Lessee’s Product shall remain at all times with Lessee, Lessor shall be responsible for
the loss of or damage to such Product only when and to the extent such loss or damage is determined
through adjudication by a court of competent jurisdiction to have been directly caused by the
negligence or willful misconduct of Lessor, its employees and agents.

9. Storage Fees.

Lessee agrees to pay Lessor for the storage, handling, and services of Lessor an annual rental as
set forth in Exhibit “B” attached hereto and incorporated herein by this reference. All of Lessee’s
Product must be removed from storage no later than the last day of the terra of this Lease, subject
to the payment of accrued rental and other charges and the other terms, provisions, and conditions
of this Lease. Other than the annual rental contained in Exhibit B and fees for alternate storage
during Workover Periods as provided for in paragraph 10, Lessee shall not be responsible for any
additional fees for the services provided by Lessor, including but not limited to throughput or
excess storage fees. In lieu of annual rental payable during the Term, the rate for storage of any
Product remaining in storage past the last day of the term of this Lease shall be *** ($***) per
barrel per month or any portion thereof, payable in advance on the first day of each month in the
same manner and at the same place as set forth in Section 12.

10. Well Workovers.

Notwithstanding anything to the contrary in this Lease, once every five (5) years (unless otherwise
required more often under applicable law, rule, or regulation), Lessor may designate a period of
time as it or its contractors may reasonably require (“Workover Period”) during which

3

 

Lessor shall have the opportunity to inspect the Well, and to conduct any other operations as may
be required by applicable law, rule, or regulation. Accordingly, Lessee shall cause all of its
Product to be removed from the Well at issue prior to the first day of such Workover Period. Lessor
shall make a reasonable effort to provide Lessee with as much advance notice as possible of the
upcoming workover and need to empty the Well, and to coordinate with Lessee (or Lessee’s designated
representative) the scheduling of such Workover Period. If requested by Lessee, Lessor shall make
reasonable efforts, at Lessee’s sole cost, to make alternate storage for Product available to
Lessee during such Workover Period for storage charges payable by Lessee to Lessor that are, in
Lessor’s reasonable judgment, substantially in accordance with the storage charges then being
charged by Lessor to its olefin storage customers. Lessee shall not be required to lease alternate
storage for a period in excess of the Workover Period.

11. Taxes.

Lessee shall pay all taxes, if any, levied or assessed on the Product stored hereunder. In the
event it becomes necessary for Lessor to pay any such tax, Lessee shall immediately reimburse
Lessor for such amount upon receipt of notice of payment.

12. Payment Terms.

The total annual rental for storage is payable in equal monthly installments during the Term, each
of which installments is due and payable in advance by Lessee at Lessor’s address set forth on the
face of each invoice on or before the first day of each month. Lessor will invoice Lessee each
month for monthly rentals during the Term.

13. Lessor’s Lien.

Lessor shall have a lien on all Product of Lessee stored hereunder to cover any accrued and unpaid
amounts payable hereunder and may withhold delivery of any such Product until such accrued and
unpaid amounts are paid. If any such amounts remain unpaid for more than thirty (30) days after
they accrue, Lessor may sell said Product at a public auction at the offices of Lessor in Houston,
Harris County, Texas, on any day not a legal holiday and not less than forty-eight (48) hours after
publication of notice in a daily newspaper of general circulation published in Baytown, Texas, said
notice giving the time and place of the sale and the quantity and Product to be sold. Lessor may be
a bidder and a purchaser at such sale. From the proceeds of such sale, Lessor may pay itself all
charges lawfully accruing and all expenses of such sale, and the net balance may be held for
whomsoever may be lawfully entitled thereto.

14. Product Losses.

Product is not insured by Lessor against loss or damage however caused, and any insurance thereon
must be provided and paid for by Lessee. Lessor’s liability, if any, for loss or damages to the
stored Product shall be limited to the market value of Product as determined by the highest price
published for Polymer Grade Propylene weighted average spot transacted price reported in the last
issue of the month in which the Product was delivered of Chemical Marketing Associates Inc.’s
Monomers Market Report, or at Lessor’s option, replacement of such lost or damaged Product in kind;
provided, however, should Lessee purchase property/casualty insurance to cover such storage risk of
loss or damage, however, caused, then Lessee shall cause each of its insurers

4

 

to waive its rights of subrogation and, for itself, waive rights of recovery of any self-funded
retentions and/or deductibles against Lessor, its affiliates, employees and agents.

15. Force Majeure.

In addition to the provisions of Section 8, Lessor shall not be responsible to Lessee for any loss
of Lessee’s Product resulting directly or indirectly from acts of God or other causes beyond the
reasonable control of Lessor, or for any loss to Lessee resulting from delays in returning Lessee’s
Product when requested, or for failure of Lessor to perform its obligations hereunder, due,
directly or indirectly to Force Majeure.

As used in this Section 15, “Force Majeure” means acts of God; storm; earthquake; accidents; acts
of the public enemy or terrorists, including threats thereof; malicious mischief; emergency or
scheduling and operational restrictions; rebellion; insurrections; sabotage; invasion; epidemic;
strikes; lockouts or other industrial disturbances; war, declared or undeclared; riot or civil
commotion; wind; hurricane; hail; lightning; fire; flood; explosion; compliance with acts, rules,
regulations, or orders of federal, state, or local government, any agency thereof or other
authority having or purporting to have jurisdiction; mechanical failures or similar causes not
within Lessor’s reasonable control and not due to Lessor’s fault or negligence. If the duration of
any Force Majeure event lasts longer than thirty (30) days, the fees provided for under Sections 9
and 10 of this Lease shall be suspended starting after the thirty (30) days has passed until the
Force Majeure condition is corrected, and if the Force Majeure condition continues for one hundred
twenty (120) days, either party, on sixty (60) days prior written notice (given on or after
expiration of such one hundred twenty (120) day period) may terminate this Lease; provided that if
the Force Majeure condition only partially prevents Lessor’s performance hereunder, such fees shall
only be reduced in an amount that is proportional to the degree to which Lessor’s performance
hereunder is prevented by the Force Majeure condition, and this Lease shall not be subject to
termination on account thereof. Lessor will work expeditiously to correct any Force Majeure
condition. The term of this Lease shall not be extended by the duration of any Force Majeure. When
claiming Force Majeure, Lessor shall notify Lessee immediately by telephone, and confirm same in
writing, giving reasonable detail regarding the type of Force Majeure and its estimated duration.
The settlement of differences with workers shall be entirely within the Lessor’s discretion.

16. Indemnity.

REGARDLESS OF THE LEGAL THEORY OR THEORIES ALLEGED INCLUDING WITHOUT LIMITATION, THE NEGLIGENCE
(WHETHER SOLE, JOINT OR CONCURRENT) OF ANY THIRD PARTY, LESSEE HEREBY AGREES TO INDEMNIFY, DEFEND,
AND SAVE HARMLESS LESSOR, ITS PARENT COMPANY PARTNERS (GENERAL OR LIMITED), MEMBERS, SUBSIDIARIES,
AFFILIATES, SUCCESSORS, AND ASSIGNS, INCLUDING ANY OFFICER, DIRECTOR, EMPLOYEE, OR AGENT OF ANY
SUCH ENTITY (HEREINAFTER COLLECTIVELY CALLED “INDEMNITEE”) FROM AND AGAINST ANY CLAIM, DEMAND,
CAUSE OF ACTION, DAMAGE, FINE, PENALTY, LOSS, JUDGMENT, OR EXPENSE OF ANY KIND OF ANY PARTY
(HEREINAFTER COLLECTIVELY CALLED

5

 

“LIABILITY”) INCLUDING ANY EXPENSES OF LITIGATION, COURT COSTS, AND REASONABLE ATTORNEY’S FEES,
RESULTING FROM, ARISING OUT OF OR CAUSED BY THE DELIVERY OR RECEIPT OF ANY PRODUCT BY LESSEE OR
LESSEE’S AGENT, CONTRACTOR, OR CARRIER WHICH IS CONTAMINATED ALLEGED TO BE CONTAMINATED OR
OTHERWISE FAILS TO MEET THE SPECIFICATIONS SET FORTH HEREIN OR CAUSES OR IS ALLEGED TO HAVE CAUSED
PROPERTY DAMAGE, INCLUDING ENVIRONMENTAL DAMAGES OR INJURY OR DEATH TO LESSOR, INDEMNITEE OR THIRD
PARTIES, EXCEPT TO THE EXTENT SUCH LIABILITY IS DIRECTLY CAUSED BY THE NEGLIGENCE OR WILLFUL
MISCONDUCT OF AN INDEMNITEE, LESSOR AGREES TO INDEMNIFY, DEFEND, AND SAVE HARMLESS LESSEE FROM
CLAIMS OR DEMANDS OF THIRD PARTIES FOR INJURIES OR DAMAGES RESULTING FROM LESSOR’S OPERATIONS IN
THE STORAGE AND HANDLING OF PRODUCT WHILE THE SAME IS IN LESSOR’S CUSTODY OR CONTROL INCLUDING,
WITHOUT LIMITATION, THAT PORTION OF ANY CLAIMS OR DEMANDS ATTRIBUTABLE TO LESSOR WHICH IS CAUSED BY
THE NEGLIGENCE OF LESSOR, ITS AGENTS OR EMPLOYEES JOINTLY OR CONCURRENTLY WITH THE NEGLIGENCE OF
LESSEE, ITS AGENTS, EMPLOYEES, OR REPRESENTATIVES, OR A THIRD PARTY.

17. Claims; Limitations.

Notice of claims by Lessee for any liability, loss, damage, or expense arising out of this Lease
must be made to Lessor in writing within ninety-one (91) days after the same shall have accrued.
Such claims, folly amplified, must be filed with Lessor within said ninety-one (91) days and unless
so made and filed, Lessor shall be wholly released and discharged therefrom and shall not be liable
therefor in any court of justice. No suit at law or in equity shall be maintained upon any claim
unless instituted within two (2) years and one (1) day after the cause of action accrued. There are
no third-party beneficiaries of this Lease.

IN NO EVENT SHALL LESSOR OR LESSEE BE LIABLE TO THE OTHER FOR ANY PROSPECTIVE OR SPECULATIVE
PROFITS, OR SPECIAL, INDIRECT, INCIDENTAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL DAMAGES, WHETHER
BASED UPON CONTRACT, TORT, STRICT LIABILITY, OR NEGLIGENCE, OR IN ANY OTHER MANNER ARISING OUT OF
THIS LEASE, AND EACH OF LESSOR AND LESSEE HEREBY RELEASES THE OTHER FROM ANY CLAIM THEREFOR.

18. Notice.

All notices, demands, requests, and other communications necessary to be given hereunder shall be
in writing and deemed given if personally delivered, forwarded by facsimile (with proof of
transmission and answer-back capability), or mailed by either certified mail, return-receipt
requested, or sent by recognized overnight carrier to the respective party at its address below:

6

 

If to Lessor:
 

Mont
Belvieu Caverns, LLC

P.O. Box 4324

Houston, Texas 77210-4324

Attn: Director – Hydrocarbon Storage

Telephone: (713) 381-6554

Fax: (713) 381-6960
 

If
to Lessee:
 

Enterprise
Products Operating L.P.

P. O. Box 4324

Houston, Texas 77210-4324

Attn: Director – Vice President Petrochemical

Telephone: (713) 381-6510

Fax: (713) 381-6655

19. Assignment/Sublease.

Neither party shall assign any portion of its rights or obligations under this Lease
without the prior written consent of the other, which consent shall not be unreasonably withheld;
provided, however, either party may assign or sublease this Lease to its parent corporation, a
subsidiary, or a wholly-owned affiliate, without the consent of the other party, provided that it
remains primarily obligated hereunder. This Lease shall be binding upon and inure to the benefit of
the parties hereto, their successors and assigns.

20. Rules and Regulations.

This Lease and the provisions hereof shall be subject to all applicable state and federal laws and
to all applicable rules, regulations, orders, and directives of any governmental authority, agency,
commission, or regulatory body in connection with any and all matters or things under or incident
to this Lease.

21. Entire Agreement

This Lease embodies the entire agreement between Lessor and Lessee and there are no promises,
assurances, terms, conditions, or obligations, whether by precedent or otherwise, other than those
contained herein. No variation, modification, or reformation hereof shall be deemed valid until
reduced to writing and signed by the parties hereto.

22. Governing Law.

This Lease shall be governed, construed, and enforced in accordance with the laws of the State of
Texas irrespective of the residence, place of business, or domicile of the parties hereto or the
place of execution by any party hereto.

7

 

23. Default.

A party will be in default if it: (a) breaches this Lease, and the breach is not cured within
thirty (30) days receiving written notice of such default (or alleged default) from the other party
specifying the nature of the breach; (b) becomes insolvent; or (c) files or has filed against it a
petition in bankruptcy, for reorganization, or for appointment of a receiver or trustee. In the
event of default, the non-defaulting party may terminate this Lease upon notice to the defaulting
party. For the avoidance of doubt, Lessor’s failure to perform any of the services for any reason
other than force majeure will be deemed a breach of this Lease to which subsection (a) of this
Section 23 applies.

8

 

     DATED this            day of                     , 2007.

	 	 	 	 	 
	 	LESSOR

MONT BELVIEU CAVERNS, LLC

 	 
	 	BY:  	 	 
	 	 	NAME: 	 
	 	 	TITLE: 	 
	 
	 
	 	LESSEE

ENTERPRISE PRODUCTS OPERATING L.P.

 	 
	 	By:  	Enterprise Products OLPGP, Inc., its general
 	 
	 	 	partner 	 
	 	 	 
	 	By:  	
 	 
	 	 	NAME: 	 
	 	 	TITLE: 	 
	 

9

 

EXHIBIT “A”

	 	 	 	 	 
	TEST PARAMETERS	 	SPECIFICATIONS	 	TEST METHODS
	Propylene

	 	99.5 Wt. % Min.
	 	D2163
	Propane

	 	0.45 Wt. % Max.
	 	D2163
	Ethane

	 	500 Wt. PPM Max.
	 	D2163
	Ethylene

	 	10 Wt. PPM Max.
	 	D2712
	Iso Butanes

	 	15 Wt. PPM Max.
	 	D2712
	N-butane

	 	+IC-4 Wt. PPM Max.
	 	D2712
	Butadiene

	 	1 Wt. PPMD
	 	D2712
	Butylenes

	 	1 Wt. PPM Max
	 	D2712
	Methyl Acetylene

	 	1 Wt. PPM Max
	 	D2712
	Propadiene

	 	+M.A.Wt. 1 PPM Max.
	 	D2712
	Acetylene

	 	+M.A. Wt. 1 PPM Max.	 	 
	Hydrogen

	 	1 Wt. PPM Max	 	 
	Oxygen

	 	5 Wt. PPM Max.
	 	D2504
	Carbon Monoxide

	 	1 Wt. PPM Max.
	 	D2504
	Carbon Dioxide

	 	1 Wt. PPM Max.
	 	D2504
	Carbonyl Sulfide

	 	.03 Wt. PPM Max
	 	(Note 1)
	Total Sulfur

	 	1 Wt. PPM Max.
	 	(Note 2)
	Arsines

	 	0.1 Wt. PPM Max.
	 	(Note 3)
	Water

	 	l0 Wt. PPM Max.
	 	(Note 4)
	Methanol

	 	5 Wt. PPM Max.
	 	(Note 5)
	Ammonia

	 	.2 Wt. ppm max	 	 
	C5+

	 	10 Wt. PPM Max	 	 
	Total Oxygenates

	 	Wt PPM Max	 	 
	Copper Strip Corrosion

	 	#1 Max	 	 

POLYMERGRADE PROPYLENE

NOTES ON TEST METHODS: Method numbers listed above, beginning with the letter
“D” are American Society for Testing and Materials (ASTM) Standard Test Procedures. The most recent
year revision for the procedures will be used.

At present, standard (ASTM) test procedures do not exist for the determination of
carbonyl sulfide (COS), sulfur, arsine, water and methanol in propylene.

	 	(1)	 	For COS, use UOP Method 212-77, a potentiometric titration procedure.
Alternatively, a gaschromatograph with a flame photometric detector (for sulfur
compounds) can be used.
	 
	 	(2)	 	For sulfur analysis use D3246, D4045. Alternatively, oxidation/ultraviolet
fluorescence detection can be used.
	 
	 	(3)	 	For arsine, use UOP Method 834-82 a charcoal absorption/atomic absorption
spectrophotometric method. Alternatively, arsine can be extracted from the propylene
with a solution of silver diethyldithiocarbamate in pyridine and analyzed
by ultraviolet-visible spectrophotometry.
	 
	 	(4)	 	Water content should be determined by LPG adapted Karl Fischer titration or
Panametrics electrode method.
	 
	 	(5)	 	Methanol content should be determined by water extraction/gas chromatography

1

 

EXHIBIT “B”

	(A)	 	For the first twelve (12) months of the Term, Lessee agrees to pay Lessor annual rent in
the amount of  *** ($***) (the “Base Annual Rent”).
	 
	(B)	 	The Base Annual Rent shall remain in effect through December 31, 2007. Effective January 1,
2008 and for the following twelve (12) months ending December 31, 2008 (a “Lease Year”), and
all subsequent Lease Years, the Base Annual Rent shall be revised annually based on a
seasonally adjusted implicit price deflator in order to determine a new annual rent known as
the “Adjusted Annual Rent.” The Adjusted Annual Rent shall be determined in accordance with
the following formula by multiplying the percentage change (rounded to the 4th decimal place)
between the Base Index and the Annual Index (as those terms are defined below) by the prior
Lease Year’s Annual Rent, For purposes of this Lease, the “Base Index” is the final seasonally
adjusted implicit price deflator figure for the calendar year 2005 under the Gross Domestic
Product column of the “Implicit Price Deflators for Gross Domestic Product” table (2000=100),
and the “Annual Index” is the final seasonally adjusted implicit price deflator figure for the
calendar year ending immediately before the Lease Year for which the adjustment is being
determined, said figure being in the same column, table and survey as the Base Index.

The Adjusted Annual Rent shall be rounded off to the nearest dollar and shall become effective on
the first day of each Lease Year. In no event will the Annual Adjusted Rent ever be less than the
Base Annual Rent.

For example, in calculating the Adjusted Annual Rent, which shall apply under this Lease, assume at
the time of the first adjustment the Base Index is 113.2 and the Annual Index is 115.2. Under these
facts the Adjusted Annual Rent for the 2nd Lease Year would be as follows:

115.2/113.2 = 1.0177 (percentage change)

(1.0177) X ($***) = $*** (Adjusted Annual Rent)

1

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