Document:

exv10w8

Exhibit 10.8

EXECUTION

SECOND AMENDED AND RESTATED CREDIT AGREEMENT

Among

POSTROCK ENERGY SERVICES CORPORATION,

as Borrower

POSTROCK KPC PIPELINE, LLC,

as Borrower,

ROYAL BANK OF CANADA,

as Administrative Agent and Collateral Agent

and

The Lenders Party Hereto

$15,000,000

SECURED PIPELINE TERM LOAN

Dated as of September 21, 2010

 

 

TABLE OF CONTENTS

	 	 	 	 	 
	 	 	Page	 
	ARTICLE I. DEFINITIONS AND ACCOUNTING TERMS
	 	 	2	 
	1.01. Defined Terms
	 	 	2	 
	1.02. Other Interpretive Provisions
	 	 	23	 
	1.03. Accounting Terms
	 	 	24	 
	1.04. Rounding
	 	 	24	 
	1.05. References to Agreements, Persons and Laws; Rules of Construction
	 	 	24	 
	 
	 	 	 	 
	ARTICLE II. TERM LOAN
	 	 	24	 
	2.01. Term Loan
	 	 	24	 
	2.02. Intentionally Deleted
	 	 	24	 
	2.03. Borrowings, Conversions and Continuations of Loans 
	 	 	24	 
	2.04. Prepayments
	 	 	25	 
	2.05. Intentionally Deleted
	 	 	26	 
	2.06. Repayment of Loans
	 	 	26	 
	2.07. Interest
	 	 	26	 
	2.08. Fees
	 	 	27	 
	2.09. Computation of Interest and Fees
	 	 	27	 
	2.10. Evidence of Debt
	 	 	27	 
	2.11. Payments Generally
	 	 	28	 
	2.12. Sharing of Payments
	 	 	29	 
	2.13. Pari Passu Lien Securing Lender Hedging Obligations
	 	 	30	 
	 
	 	 	 	 
	ARTICLE III. TAXES, YIELD PROTECTION AND ILLEGALITY
	 	 	30	 
	3.01. Taxes
	 	 	30	 
	3.02. Illegality
	 	 	32	 
	3.03. Inability to Determine Rates
	 	 	32	 
	3.04. Increased Cost and Reduced Return; Capital Adequacy; Reserves on Eurodollar Rate Loans
	 	 	33	 
	3.05. Compensation for Losses
	 	 	34	 
	3.06. Matters Applicable to all Requests for Compensation
	 	 	34	 
	3.07. Survival
	 	 	34	 
	3.08. Mitigation Obligations
	 	 	34	 
	 
	 	 	 	 
	ARTICLE IV. CONDITIONS PRECEDENT TO BORROWING
	 	 	35	 
	4.01. Conditions Precedent to Borrowing
	 	 	35	 
	 
	 	 	 	 
	ARTICLE V. REPRESENTATIONS AND WARRANTIES
	 	 	37	 
	5.01. Existence; Qualification and Power; Compliance with Laws
	 	 	37	 
	5.02. Authorization; No Contravention
	 	 	38	 
	5.03. Governmental Authorization
	 	 	38	 
	5.04. Binding Effect
	 	 	38	 
	5.05. Financial Statements; No Material Adverse Effect
	 	 	38	 
	5.06. Litigation
	 	 	39	 
	5.07. No Default
	 	 	39	 
	5.08. Title; Liens; Priority of Liens
	 	 	39	 
	5.09. Environmental Compliance
	 	 	39	 
	5.10. Insurance
	 	 	40	 

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	 	 	Page	 
	5.11. Taxes
	 	 	40	 
	5.12. ERISA Compliance
	 	 	40	 
	5.13. Subsidiaries and other Investments
	 	 	41	 
	5.14. Margin Regulations; Investment Company Act; Use of Proceeds
	 	 	41	 
	5.15. Disclosure; No Material Misstatements
	 	 	41	 
	5.16. Location of Business and Offices
	 	 	41	 
	5.17. Compliance with Laws
	 	 	41	 
	5.18. Third Party Approvals
	 	 	41	 
	5.19. Solvency
	 	 	42	 
	5.20. Oil and Gas Leases
	 	 	42	 
	5.21. Oil and Gas Contracts
	 	 	42	 
	5.22. Producing Wells
	 	 	42	 
	5.23. Purchasers of Production
	 	 	42	 
	5.24. Swap Contracts
	 	 	42	 
	 
	 	 	 	 
	ARTICLE VI. AFFIRMATIVE COVENANTS
	 	 	43	 
	6.01. Financial Statements
	 	 	43	 
	6.02. Certificates; Other Information
	 	 	44	 
	6.03. Notices
	 	 	44	 
	6.04. Payment of Obligations
	 	 	45	 
	6.05. Preservation of Existence, Etc.
	 	 	45	 
	6.06. Maintenance of Assets and Business
	 	 	45	 
	6.07. Maintenance of Insurance
	 	 	45	 
	6.08. Compliance with Laws and Contractual Obligations
	 	 	46	 
	6.09. Books and Records
	 	 	46	 
	6.10. Inspection Rights
	 	 	46	 
	6.11. Compliance with ERISA
	 	 	46	 
	6.12. Use of Proceeds
	 	 	47	 
	6.13. Material Agreements
	 	 	47	 
	6.14. Guaranties; New Subsidiaries’ Collateral Documents
	 	 	47	 
	6.15. Further Assurances; Additional Collateral
	 	 	47	 
	6.16. Fiscal Year
	 	 	48	 
	 
	 	 	 	 
	ARTICLE VII. NEGATIVE COVENANTS
	 	 	48	 
	7.01. Liens
	 	 	48	 
	7.02. Investments
	 	 	51	 
	7.03. Hedging Agreements
	 	 	52	 
	7.04. Indebtedness
	 	 	53	 
	7.05. Lease Obligations
	 	 	54	 
	7.06. Fundamental Changes
	 	 	54	 
	7.07. Dispositions
	 	 	55	 
	7.08. Transfer Payments; Restricted Payments; Distributions and Redemptions
	 	 	56	 
	7.09. ERISA
	 	 	57	 
	7.10. Nature of Business; Risk Management
	 	 	57	 
	7.11. Transactions with Affiliates
	 	 	57	 
	7.12. Burdensome Agreements
	 	 	57	 
	7.13. Use of Proceeds
	 	 	58	 
	7.14. Material Agreements
	 	 	58	 
	7.15. Pooling or Unitization
	 	 	58	 
	7.16. Financial Covenants
	 	 	58	 

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	 	 	Page	 
	ARTICLE VIII. EVENTS OF DEFAULT AND REMEDIES
	 	 	59	 
	8.01. Events of Default
	 	 	59	 
	8.02. Remedies Upon Event of Default
	 	 	61	 
	8.03. Application of Funds
	 	 	62	 
	 
	 	 	 	 
	ARTICLE IX. ADMINISTRATIVE AGENT
	 	 	62	 
	9.01. Appointment and Authorization of Agents; Lender Hedging Agreements
	 	 	62	 
	9.02. Delegation of Duties
	 	 	62	 
	9.03. Default; Collateral
	 	 	63	 
	9.04. Liability of Agents
	 	 	64	 
	9.05. Reliance by Administrative Agent
	 	 	65	 
	9.06. Notice of Default
	 	 	65	 
	9.07. Credit Decision; Disclosure of Information by Administrative Agent
	 	 	65	 
	9.08. Indemnification of Agents
	 	 	66	 
	9.09. Administrative Agent in its Individual Capacity
	 	 	66	 
	9.10. Successor Administrative Agent and Collateral Agent
	 	 	67	 
	9.11. Other Agents
	 	 	67	 
	9.12. Administrative Agent May File Proofs of Claim
	 	 	67	 
	9.13. Hedging Agreements
	 	 	68	 
	 
	 	 	 	 
	ARTICLE X. MISCELLANEOUS
	 	 	68	 
	10.01. Amendments, Release of Collateral, Etc.
	 	 	68	 
	10.02. Notices and Other Communications; Facsimile Copies
	 	 	70	 
	10.03. No Waiver; Cumulative Remedies
	 	 	71	 
	10.04. Attorney Costs; Expenses and Taxes
	 	 	71	 
	10.05. Indemnification
	 	 	72	 
	10.06. Payments Set Aside
	 	 	73	 
	10.07. Successors and Assigns
	 	 	73	 
	10.08. Confidentiality
	 	 	75	 
	10.09. Set-off
	 	 	76	 
	10.10. Interest Rate Limitation
	 	 	76	 
	10.11. Counterparts
	 	 	76	 
	10.12. Integration
	 	 	76	 
	10.13. Survival of Representations and Warranties
	 	 	77	 
	10.14. Severability
	 	 	77	 
	10.15. Replacement of Lenders
	 	 	77	 
	10.16. Defaulting Lender
	 	 	78	 
	10.17. Governing Law
	 	 	79	 
	10.18. Waiver of Right to Trial by Jury, Etc.
	 	 	79	 
	10.19. Release
	 	 	80	 
	10.20. Time of the Essence
	 	 	80	 
	10.21. Release of Second Priority Liens
	 	 	80	 
	10.22. Amendment and Restatement
	 	 	81	 
	10.23. Termination of Revolving Commitments Under Prior Midstream Credit Agreement
	 	 	81	 
	10.24. No Novation, Etc.
	 	 	81	 
	10.25. Joint and Several Liability
	 	 	81	 
	10.26. ENTIRE AGREEMENT
	 	 	83	 

iii 

 

SCHEDULES

	 	 	 

	1.01A 
	 	Litigation Associated with Litigation and Settlement Costs Adjustments to Consolidated EBITDA

	1.01B 
	 	Other Consolidated EBITDA Adjustments for Specified Quarters

	2.01 
	 	Commitments

	5.06 
	 	Litigation

	5.12 
	 	ERISA

	5.13 
	 	Subsidiaries and Equity Investments

	5.21 
	 	Take-or Pay and Gas Balancing Obligations

	5.23 
	 	Purchasers of Production

	5.24 
	 	Swap Contracts

	7.01 
	 	Existing Liens

	7.04 
	 	Indebtedness

	7.11 
	 	Transactions with Affiliates

	10.02 
	 	Addresses for Notices to Borrower, Guarantors and Administrative Agent

EXHIBITS

	 	 	 
	Exhibit:	 	Form of:
	A-1
	 	Borrowing Notice

	A-2
	 	Conversion/Continuation Notice

	A-3
	 	Repayment Notice

	B
	 	Note

	C
	 	Compliance Certificate pursuant to Section 6.01(a)

	D
	 	Assignment and Assumption

iv 

 

SECOND AMENDED AND RESTATED CREDIT AGREEMENT

     THIS SECOND AMENDED AND RESTATED CREDIT AGREEMENT is entered into as of September 21, 2010,
among POSTROCK ENERGY SERVICES CORPORATION, a Delaware corporation formerly known as Quest Resource
Corporation and successor by merger to Quest Resource Acquisition Corp., PostRock Midstream, LLC
(the successor by merger to Quest Midstream Partners, L.P. and Quest Midstream GP, LLC), Quest
Cherokee Oilfield Service, LLC, Quest Mergersub, Inc., Quest Midstream Holdings Corp., Quest Energy
Service, LLC and Energy & Midstream Partners JV, LLC (“PESC”), POSTROCK KPC PIPELINE LLC, a
Delaware limited liability company, formerly known as and successor by conversion to Quest
Pipelines (KPC), a Kansas general partnership, and successor by merger to Quest Kansas Pipeline,
L.L.C. and Quest Kansas General Partner L.L.C. (“KPC Pipeline LLC”; and together with PESC,
collectively, the “Borrowers” and individually a “Borrower”), each lender from time to time party
hereto (collectively, the “Lenders” and individually, “Lender”), ROYAL BANK OF CANADA, as
Administrative Agent and Collateral Agent.

PRELIMINARY STATEMENTS

     (1) Quest Midstream Partners, L.P., a Delaware master limited partnership (which merged into
and became Quest Acquisition Partners, LLC, which changed its name to PostRock Midstream, LLC,
which merged into PESC) and Bluestem Pipeline, LLC, as borrowers, and Royal Bank of Canada as
administrative and collateral agent, and the lenders party thereto, entered into a Credit
Agreement, dated as of January 31, 2007, providing for a $75,000,000 Senior Credit Facility (the
"Original Midstream Credit Agreement”). The Original Midstream Credit Agreement was secured by
mortgages filed against Bluestem’s Cherokee Basin pipeline system covering 11 counties in Kansas
and 2 counties in Oklahoma (the “Bluestem Gathering System”).

     (2) The Original Midstream Credit Agreement was amended and restated by an Amended and
Restated Credit Agreement dated as of November 1, 2007 among Quest Midstream Partners, L.P. and
Bluestem Pipeline, LLC, as borrowers, Royal Bank of Canada, as administrative and collateral agent,
and the lenders party thereto (the “Midstream Lenders”) providing for a $135,000,000 Senior Credit
Facility (the “First Amended and Restated Midstream Credit Agreement”).

     (3) In connection with the First Amended and Restated Midstream Credit Agreement, Quest
Midstream Partners, L.P. financed its acquisition of (i) 100% of the limited liability company
membership interest in each of (a) Midcoast Kansas Pipeline, L.L.C., a Delaware limited liability
company (whose name after its acquisition was changed to Quest Kansas Pipeline, L.L.C.), and (b)
Midcoast Kansas General Partner, L.L.C., a Delaware limited liability company (whose name after its
acquisition was changed to Quest Kansas General Partner, L.L.C.), each of whom collectively owned
100% of the general partner interest in Enbridge Pipelines (KPC), a Kansas general partnership
(whose name after its acquisition was changed to Quest Pipelines (KPC)) which owned an approximate
1,120 mile interstate natural gas pipeline, gathering systems, processing facilities and related
assets located in the States of Kansas, Oklahoma and Missouri (the “KPC Pipeline”).

     (4) The First Amended and Restated Midstream Credit Agreement was amended by a First Amendment
to Amended and Restated Credit Agreement, dated November 1, 2007, Second Amendment to Amended and
Restated Credit Agreement, dated October 28, 2008, and Third Amendment to Amended and Restated
Credit Agreement, dated December 17, 2009 (the First Amended and Restated Midstream Credit
Agreement as so amended the “Prior Midstream Credit Agreement”).

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     (5) Pursuant to that certain Assignment of Notes, Liens and Security Interests of even date
herewith between the Midstream Lenders (including Royal Bank of Canada, which is assigning only
$4,259,462.63 of the Indebtedness owed to it under the Prior Midstream Credit Agreement) and
Administrative Agent, as assignors, and Royal Bank of Canada, in its capacity as administrative
agent and collateral agent under the Borrowing Base Facility Credit Agreement, the Midstream
Lenders have (A) assigned $89,001,098.16 of the Indebtedness owing under the Prior Midstream Credit
Agreement to Royal Bank of Canada, in its capacity as administrative agent and collateral agent
under the Borrowing Base Credit Facility and (B) Royal Bank of Canada, as a Lender under the Prior
Midstream Credit Agreement has retained $15,000,000 of such Indebtedness. Pursuant to this
Agreement, Royal Bank of Canada will assign to the Lenders party hereto their Pro Rata Share of
such $15,000,000 Indebtedness. Such Indebtedness has been assumed of even date herewith by KPC
Pipeline, LLC. Such Indebtedness will be secured by a first lien on the KPC Pipeline, by a second
lien on the Bluestem Gathering System and by a second lien on the Borrowing Base Oil and Gas
Properties.

     (6) The Borrowers agree, promptly upon the effectiveness of the assignments described in
Preliminary Statement (5), to prepay the Outstanding Amount of Indebtedness under the Prior
Midstream Credit Agreement in an amount equal to $14,727,092.87 from the proceeds of the White Deer
Energy Investment (the amount of such prepayments herein collectively, called the “Closing Date
Prepayment Amount”).

     (7) PESC, KPC Pipeline, LLC, Administrative Agent, and the Lenders party hereto have agreed to
amend and restate in part the Prior Midstream Credit Agreement as regards the $15,000,000
Indebtedness remaining after the assignment described in Preliminary Statement (5) and the balance
of the Indebtedness owing under the Prior Midstream Credit Agreement shall be renewed and
rearranged and amended and restated in part by the Borrowing Base Credit Facility.

     NOW THEREFORE, in consideration of the mutual covenants and agreements herein contained, the
parties hereto covenant and agree that the Prior Midstream Credit Agreement with respect to the
$15,000,000 Indebtedness remaining after the assignment described in Preliminary Statement (5) is
hereby amended and restated as follows:

ARTICLE I.

DEFINITIONS AND ACCOUNTING TERMS

          1.01. Defined Terms. As used in this Agreement, the terms defined in the introductory paragraph and the Preliminary
Statements hereof shall have the meanings therein indicated and the following terms shall have the
meanings set forth below:

     Acquisition means any transaction or series of related transactions for the purpose of, or
resulting in, directly or indirectly, (a) the acquisition by a Company of all or substantially all
of the assets located in the United States of a Person or of any business or division of a Person;
(b) the acquisition by a Company of more than 50% of any class of Voting Stock (or similar
ownership interests) of any Domestic Person; or (c) a merger, consolidation, amalgamation, or other
combination by a Company with another Person if a Company is the surviving entity, provided that,
(i) in any merger involving a Borrower, such Borrower must be the surviving entity (unless the
surviving entity is a Borrower); and (ii) in any merger involving a Wholly-Owned Subsidiary and
another Subsidiary, a Wholly-Owned Subsidiary shall be the survivor.

     Adjusted Consolidated EBITDA means, for the period of determination, (i) Consolidated EBITDA,
minus (ii) the Consolidated EBITDA adjustments made pursuant to Section 7.16(d) plus (iii) the
Consolidated EBITDA adjustments made pursuant to Section 7.16(e).

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Credit Agreement

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     Administrative Agent means Royal Bank of Canada in its capacity as administrative agent under
any of the Loan Documents, or any successor administrative agent.

     Administrative Agent’s Office means the Administrative Agent’s address and, as appropriate,
account as set forth on Schedule 10.02, or such other address or account as the Administrative
Agent may from time to time notify to the Borrowers and the Lenders.

     Administrative Details Form means the Administrative Details Reply Form furnished by a Lender
to the Administrative Agent in connection with this Agreement.

     Affiliate means, as to any Person, any other Person directly or indirectly controlling,
controlled by, or under direct or indirect common control with, such Person. A Person shall be
deemed to be controlled by any other Person if such other Person possesses, directly or indirectly,
power to direct or cause the direction of the management and policies of such Person whether by
contract or otherwise.

     Agent-Related Persons means the Administrative Agent (including any successor administrative
agent), the Collateral Agent (including any successor collateral agent) and their respective
Affiliates (including the officers, directors, employees, agents and attorneys-in-fact of such
Person).

     Agreement means this Second Amended and Restated Credit Agreement.

     Applicable Rate means, from time to time, at the Borrowers’ election either of the following
per annum rates: (i) the Eurodollar Rate plus 3.75%, or (ii) the Base Rate plus 2.75%.

     Approved Fund means any Fund that is administered or managed by a Lender, an Affiliate of a
Lender, or an entity or an Affiliate of an entity that administers or manages a Lender.

     Assignment and Assumption means an Assignment and Assumption substantially in the form of
Exhibit D.

     Assignment of Midstream Notes, Liens and Security Interest means that certain Assignment of
Notes, Liens and Security Interests, dated of even date herewith, between Royal Bank of Canada, as
administrative agent and each other lender party to the Prior Midstream Credit Agreement, as
assignors, and Administrative Agent, as assignee, in form and content satisfactory to
Administrative Agent.

     Attorney Costs means and includes the reasonable fees and disbursements of any law firm or
other external counsel and the reasonable allocated cost of internal legal services and
disbursements of internal counsel.

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

     Authorizations means all filings, recordings, and registrations with, and all validations or
exemptions, approvals, orders, authorizations, consents, franchises, licenses, certificates, and
permits from, any Governmental Authority.

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Credit Agreement

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     Base Rate means for any day a fluctuating rate per annum equal to the greatest of (a) the
Federal Funds Rate plus one-half of one percent (0.5%), (b) the Prime Rate for such day, and (c)
the Eurodollar Rate for a one-month Interest Period on such day (or if such day is not a Business
Day, the immediately preceding Business Day) plus one and one-quarter percent (1.25%); provided
that, for the avoidance of doubt, the Eurodollar Rate for any day shall be based on the rate
appearing on the Reuters BBA Libor Rates Page 3750 (or on any successor or substitute page of such
page) at approximately 11:00 a.m. (London time) on such day. Any change in the Base Rate due to a
change in the Prime Rate, Federal Funds Rate or the Eurodollar Rate shall be effective
automatically and without notice to Borrower or any Lender on the effective date of such change in
the Prime Rate, Federal Funds Rate or Eurodollar Rate, respectively.

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

     Basis Points means for one Basis Point, 1/100th of 1%.

     Bluestem means Bluestem Pipeline, LLC, a Delaware limited liability company.

     Bluestem Gathering System has the meaning specified in Preliminary Statement (1) hereto.

     Board means the Board of Governors of the Federal Reserve System of the United States.

     Borrower and Borrowers have the meanings specified in the introductory paragraph hereto.

     Borrower Affiliate means each of the Borrowers’ respective Subsidiaries other than (i) the
Excluded Subsidiaries; and (ii) MidContinent and its direct and indirect Subsidiaries currently
existing or hereafter formed.

     Borrowing means a borrowing consisting of simultaneous Loans of the same Type and having the
same Interest Period made by each of the Lenders pursuant to Section 2.01.

     Borrowing Base Credit Facility means that certain Second Amended and Restated Credit Agreement
of even date herewith among PESC and MidContinent, as borrowers, Royal Bank of Canada, as
administrative agent and collateral agent, and the lenders party thereto, providing for a
$350,000,000 borrowing base revolving credit facility with an initial borrowing base of
$225,000,000.

     Borrowing Base Credit Facility Lenders means lenders party to the Borrowing Base Credit
Facility.

     Borrowing Base Oil and Gas Properties means those Oil and Gas Properties of PESC and
MidContinent that are subject to the second Liens created by the Collateral Documents.

     Borrowing Notice means a notice of (a) a Borrowing, (b) a conversion of Loans from one Type to
the other, or (c) a continuation of Loans as the same Type, pursuant to Section 2.03(a), which, if
in writing, shall be substantially in the form of Exhibit A-1 or A-2, as applicable.

     Business Day means any day other than a Saturday, Sunday, or other day on which commercial
banks are authorized to close under the Laws of New York, or are in fact closed and, if such day
relates to any Eurodollar Rate Loan or the calculation of the Eurodollar Rate, means any such day on
which dealings in Dollar deposits are conducted by and between banks in the applicable offshore
Dollar interbank market.

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Credit Agreement

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     Capital Lease means any capital lease or sublease which should be capitalized on a balance
sheet in accordance with GAAP.

     Cash Adjusted Consolidated Funded Debt means, as of any date of determination, for the
Borrowers and their Subsidiaries (other than the Excluded Subsidiaries) on a consolidated basis,
the excess of (a) Consolidated Funded Debt over (b) cash of the Borrowers and their Subsidiaries
(other than the Excluded Subsidiaries) deposited in an account with the Administrative Agent (or
another financial institution acceptable to the Administrative Agent) subject to a control
agreement in favor of the Administrative Agent or, at the Administrative Agent’s discretion, cash
of the Borrowers and their Subsidiaries (other than the Excluded Subsidiaries) reflected on
Parent’s consolidating balance sheet and otherwise subjected to a Lien in favor of the
Administrative Agent and not otherwise pledged or subject to any claim or encumbrance of any third
party.

     Cash Equivalents means:

     (a) United States Dollars;

     (b) direct general obligations or obligations fully and unconditionally guaranteed as
to the timely payment of principal and interest by, the United States or any agency or
instrumentality thereof having remaining maturities of not more than thirteen (13) months,
but excluding any such securities whose terms do not provide for payment of a fixed dollar
amount upon maturity or call for redemptions;

     (c) certificates of deposit and eurodollar-time deposits with remaining maturities of
thirteen (13) months or less, bankers acceptances with remaining maturities not exceeding
one hundred eighty (180) days, overnight bank deposits and other similar short term
instruments, in each case with any domestic commercial bank having capital and surplus in
excess of $250,000,000 and having a rating of at least “A2” by Moody’s or at least “A” by
S&P;

     (d) repurchase obligations with a remaining term of not more than thirteen (13) months
for underlying securities of the types described in (b) and (c) above entered into with any
financial institution meeting the qualifications in (c) above;

     (e) commercial paper (having remaining maturities of not more than two hundred seventy
(270) days) of any Person rated “P-1” or better by Moody’s or “A-1” or the equivalent by
S&P;

     (f) money market funds that (i) comply with the criteria set forth in SEC Rule 2a-7
under the Investment Company Act of 1940, as amended, (ii) are rated AAA by S&P or Aaa by
Moody’s and (iii) have portfolio assets of at least $5,000,000,000; and

     (g) money market mutual or similar funds having assets in excess of $100,000,000, at
least 95% of the assets of which are comprised of assets specified in clause (a) through (f)
above, except that with respect to the maturities of the assets included in such funds the
requirements of clauses (a) through (f) shall not be applied to the individual assets
included in such funds but to the weighted-average maturity of all assets included in such
funds.

     Change in Law means (a) the adoption of any law, rule or regulation after the date of this
Agreement, (b) any change in any law, rule or regulation or in the interpretation or application
thereof by any Governmental Authority after the date of this Agreement or (c) compliance by any
Lender (or, for purposes of Section 3.04(b), by any Lending Office of such Lender or by such
Lender’s holding company,

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Credit Agreement

5

 

if any) with any request, guideline or directive (whether or not having
the force of law) of any Governmental Authority made or issued after the date of this Agreement.

     Change of Control means (i) Parent shall fail to own, directly or indirectly, or fail to have
voting control over, 100% of the equity interest of PESC, MidContinent or KPC Pipeline, LLC, or
(ii) a Parent Change of Control shall occur.

     Closing Date means the first date all the conditions precedent in Section 4.01 are satisfied
or waived (or, in the case of Sections 4.01(e) and (f), waived by the Person entitled to receive
the applicable payment).

     Closing Date Prepayment Amount has the meaning specified in Preliminary Statement (6) hereto.

     Code means the Internal Revenue Code of 1986.

     Collateral means all property and interests in property and proceeds thereof now owned or
hereafter acquired by any Borrower and its respective Subsidiaries (other than the Excluded
Subsidiaries) in or upon which a Lien (whether first or second) now or hereafter exists in favor of
the Secured Parties, or the Administrative Agent or Collateral Agent on behalf of the Secured
Parties, including, but not limited to the KPC Pipeline, the Borrowing Base Oil and Gas Properties,
the Bluestem Gathering System, and substantially all of the personal property (including stock and
other equity interests) of the Borrowers and their respective Subsidiaries (other than the Excluded
Subsidiaries) whether under this Agreement, the Collateral Documents, or under any other document
executed by any Borrower Affiliate and delivered to the Administrative Agent, Collateral Agent or
any Secured Party. Collateral does not include any Excluded Assets, the limited liability company
membership interest in Eastern or the Three Little Pipes.

     Collateral Agent means Royal Bank of Canada in its capacity as collateral agent under any of
the Loan Documents, or any successor collateral agent.

     Collateral Documents means (a) each Guaranty, Security Agreement and Mortgage, and all other
security agreements, deeds of trust, mortgages, chattel mortgages, assignments, pledges,
guaranties, extension agreements and other similar agreements or instruments executed by any
Borrower, any Guarantor, or any of their respective Subsidiaries (other than the Excluded
Subsidiaries), for the benefit of the Secured Parties now or hereafter delivered to the Secured
Parties, the Administrative Agent or the Collateral Agent pursuant to or in connection with the
transactions contemplated hereby, and all financing statements (or comparable documents now or
hereafter filed in accordance with the Uniform Commercial Code or comparable Law) against the
Borrowers, any Guarantor, or any of their respective Subsidiaries (other than the Excluded
Subsidiaries), as debtor in favor of the Secured Parties, the Administrative Agent or the
Collateral Agent for the benefit of the Secured Parties, as secured party, to secure or guarantee
the payment of any part of the Obligations or the performance of any other duties and obligations
of Borrowers under the Loan Documents, whenever made or delivered, and (b) any amendments,
supplements, modifications, renewals, replacements, consolidations, substitutions, restatements,
continuations, and extensions of any of the foregoing, subject to the release of any Liens prior to
or contemporaneously with the date hereof.

     Company and Companies means, on any date of determination thereof, the Borrowers and each of
the Borrower Affiliates (whether in existence on the date hereof or formed hereafter in accordance
with the terms of this Agreement).

     Compensation Period has the meaning set forth in Section 2.11(e)(ii).

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     Compliance Certificate means a certificate substantially in the form of Exhibit C.

     Consolidated EBITDA means, for any period, for the Borrowers and their Subsidiaries (other
than the Excluded Subsidiaries) on a consolidated basis, an amount equal to the sum of (a)
Consolidated Net Income, (b) Consolidated Interest Charges, (c) the amount of taxes, based on or
measured by income, used or included in the determination of such Consolidated Net Income, (d) the
amount of depreciation, depletion and amortization expense deducted in determining such
Consolidated Net Income, (e) merger and acquisition costs required to be expensed under FAS 141(R),
(f) the amount of payments made to parties or placed in escrow, in each case during the period when
paid or placed in escrow, representing damages or settlement amounts associated with, and
attorney’s fees, court costs and other litigation expenses associated with, the litigation set
forth on Schedule 1.01A; (g) other amounts (without duplication) representing charges relating to
the fiscal quarters ended December 31, 2009, March 31, 2010, and June 30, 2010 set forth on the
Schedule 1.01B and described as “additional add-backs” thereon, in each case during the period when
the charge was incurred; and (h) other non-cash charges and expenses, including, without
limitation, non-cash charges and expenses relating to Swap Contracts or resulting from accounting
convention changes, of the Borrowers on a consolidated basis, all determined in accordance with
GAAP.

     Consolidated Funded Debt means, as of any date of determination, for the Borrowers and their
Subsidiaries (other than the Excluded Subsidiaries) on a consolidated basis, the sum of (a) the
outstanding principal amount of all obligations and liabilities, whether current or long-term, for
borrowed money (including Obligations hereunder, but excluding all reimbursement obligations
relating to outstanding but undrawn letters of credit), (b) Attributable Indebtedness pertaining to
Capital Leases, (c) Attributable Indebtedness pertaining to Synthetic Lease Obligations, and (d)
without duplication, all Guaranty Obligations with respect to Indebtedness of the type specified in
subsections (a) through (c) above.

     Consolidated Interest Charges means, for any period, for the Borrowers and their Subsidiaries
(other than the Excluded Subsidiaries) on a consolidated basis, the excess of (I) the sum of (a)
all interest, premium payments, fees, charges and related expenses of the Borrowers and their
Subsidiaries (other than the Excluded Subsidiaries) in connection with Indebtedness (net of
interest rate Swap Contract settlements) (including capitalized interest), in each case to the
extent treated as interest in accordance with GAAP, and (b) the portion of rent expense of the
Borrowers with respect to such period under Capital Leases that is treated as interest in
accordance with GAAP over (II) all interest income for such period.

     Consolidated Net Income means, for any period, for the Borrowers and their Subsidiaries (other
than the Excluded Subsidiaries) on a consolidated basis, the net income or net loss of Borrowers
and their Subsidiaries (other than the Excluded Subsidiaries) from continuing operations, provided
that there shall be excluded from such net income (to the extent otherwise included therein): (a)
the income (or loss) of any entity other than a Subsidiary in which a Borrower or one of its
Subsidiaries (other than the Excluded Subsidiaries) has an ownership interest, except to the extent
that any such income has been actually received by a Borrower or such Subsidiary in the form of
cash dividends or similar cash distributions; (b) net extraordinary gains and losses (other than,
in the case of losses, losses resulting from charges against net income to establish or increase
reserves for potential environmental liabilities and reserve for exposure under rate cases), (c)
any gains or losses attributable to non-cash write-ups or write-downs of
assets, (d) proceeds of any insurance on property, plant or equipment other than business
interruption insurance, (e) any gain or loss net of taxes on the sale, retirement or other
disposition of assets (including the capital stock or other equity ownership of any other Person,
but excluding the sale of inventories in the ordinary course of business), and (f) the cumulative
effect of a change in accounting principles, net of taxes.

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

     Debtor Relief Laws means the Bankruptcy Code of the United States, and all other liquidation,
conservatorship, bankruptcy, assignment for the benefit of creditors, moratorium, rearrangement,
receivership, insolvency, reorganization, or similar debtor relief Laws of the United States or
other applicable jurisdictions from time to time in effect and affecting the rights of creditors
generally.

     Default means any event that, with the giving of any notice, the passage of time, or both,
would be an Event of Default.

     Default Rate means an interest rate equal to (a) the Base Rate plus (b) the Applicable Rate,
if any, applicable to Base Rate Loans plus (c) 2% per annum; provided, however, that with respect
to a Eurodollar Rate Loan, the Default Rate shall be an interest rate equal to the interest rate
(including any Applicable Rate) otherwise applicable to such Eurodollar Rate Loan plus 2% per
annum, in each case to the fullest extent permitted by applicable Laws.

     Defaulting Lender means any Lender that (a) has failed to fund any portion of the Loans
required to be funded by it under this Agreement within one Business Day of the date required to be
funded by it under this Agreement, (b) has otherwise failed to pay over to Administrative Agent or
any other Lender any other amount required to be paid by it under this Agreement within one
Business Day of the date when due, unless the subject of a good faith dispute, (c) has notified the
Borrowers, the Administrative Agent or any Lender that it does not intend to comply with its
funding obligations or has made a public statement to that effect with respect to its funding
obligations hereunder or generally under other agreements in which it commits to extend credit; (d)
has failed, within three Business Days after request by the Administrative Agent, to confirm in a
manner satisfactory to the Administrative Agent that it will comply with its funding obligations
hereunder; or (e) has, or has a direct or indirect parent company that has, (i) become the subject
of a proceeding under any Debtor Relief Law, (ii) had a receiver, conservator, trustee,
administrator, assignee for the benefit of creditors or similar Person charged with reorganization
or liquidation of its business or a custodian appointed for it, or (iii) taken any action in
furtherance of, or indicated its consent to, approval of or acquiescence in any such proceeding or
appointment; provided that a Lender shall not be a Defaulting Lender solely by virtue of the
ownership or acquisition of any equity interest in that Lender or any direct or indirect parent
company thereof by a Governmental Authority.

     Disposition or Dispose means the sale (excluding the sale of inventory in the ordinary course
of business), transfer, license or other disposition (including any sale and leaseback transaction)
of any property (including stock, partnership and other equity interests) by any Person of property
owned by such Person, 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. For
the avoidance of doubt, a Restricted Payment is not a Disposition.

     Dollar and $ means lawful money of the United States.

     Domestic Person means any corporation, general partnership, limited partnership, limited
liability partnership, or limited liability company that is organized under the laws of the United
States or any state thereof or the District of Columbia.

     Eastern means Quest Eastern Resource LLC.

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     Eligible Assignee means (a) a Lender, (b) an Affiliate of a Lender, (c) an Approved Fund, and
(d) any other Person (other than a natural Person) approved by the Administrative Agent and, unless
an Event of Default has occurred and is continuing, the Borrowers (neither the Administrative
Agent’s nor the Borrowers’ approval to be unreasonably withheld, conditioned or delayed); provided
that notwithstanding the foregoing, “Eligible Assignee” shall not include any Borrower, any
PostRock Party, or any of their respective Affiliates or Subsidiaries.

     Environmental Law means any applicable Law that relates to (a) the condition or protection of
air, groundwater, surface water, soil, or other environmental media, (b) the environment, including
natural resources or any activity which affects the environment, (c) the regulation of any
pollutants, contaminants, wastes, substances, and Hazardous Substances, including, without
limitation, the Comprehensive Environmental Response, Compensation, and Liability Act (42 U.S.C.
§9601 et seq.) (“CERCLA”), the Clean Air Act (42 U.S.C. § 7401 et seq.), the Federal Water
Pollution Control Act, as amended by the Clean Water Act (33 U.S.C. § 1251 et seq.), the Federal
Insecticide, Fungicide, and Rodenticide Act (7 U.S.C. § 136 et seq.), the Emergency Planning and
Community Right to Know Act of 1986 (42 U.S.C. § 1100 1 et seq.), the Hazardous Materials
Transportation Act (49 U.S.C. § 1801 et seq.), the National Environmental Policy Act of 1969 (42
U.S.C. § 4321 et seq.), the Oil Pollution Act (33 U.S.C. § 2701 et seq.), the Resource Conservation
and Recovery Act (42 U.S.C. § 6901 et seq.), the Rivers and Harbors Act (33 U.S.C. §401 et seq.),
the Safe Drinking Water Act (42 U.S.C. § 201 and § 300f et seq.), the Solid Waste Disposal Act, as
amended by the Resource Conservation and Recovery Act of 1976 and the Hazardous and Solid Waste
Amendments of 1984 (42 U.S.C. § 6901 et seq.), the Toxic Substances Control Act (15 U.S.C. § 2601
et seq.), and analogous state and local Laws, as any of the foregoing may have been and may be
amended or supplemented from time to time, and any analogous enacted or adopted Law, or (d) the
Release or threatened Release of Hazardous Substances.

     ERISA means the Employee Retirement Income Security Act of 1974 and any regulations issued
pursuant thereto.

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

     ERISA Event means (a) a Reportable Event with respect to a Pension Plan; (b) a withdrawal by
the Borrowers or any ERISA Affiliate from a Pension Plan subject to Section 4063 of ERISA during a
plan year in which it was a substantial employer (as defined in Section 4001(a)(2) of ERISA) or a
cessation of operations that is treated as such a withdrawal under Section 4062(e) of ERISA; (c) a
complete or partial withdrawal by the Borrowers or any ERISA Affiliate from a Multiemployer Plan or
notification that a Multiemployer Plan is in reorganization; (d) the filing of a notice of intent
to terminate, the treatment of a Plan amendment as a termination under Sections 4041 or 4041A of
ERISA, or the commencement of proceedings by the PBGC to terminate a Pension Plan or Multiemployer
Plan; (e) an event or condition which might reasonably be expected to constitute grounds under
Section 4042 of ERISA for the termination of, or the appointment of a trustee to administer, any
Pension Plan or Multiemployer Plan; or (f) the imposition of any liability under Title IV of ERISA,
other than PBGC
premiums due but not delinquent under Section 4007 of ERISA, upon the Borrowers or any ERISA
Affiliate.

     Eurodollar Rate means for any Interest Period with respect to any Eurodollar Rate Loan, a rate
per annum described below:

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     (a) the rate per annum equal to the rate determined by the Administrative Agent to be
the offered rate that appears on the page of the LIBOR I screen (or any successor thereto)
that displays an average British Bankers Association Interest Settlement Rate for deposits
in Dollars (for delivery on the first day of such Interest Period) with a term equivalent to
such Interest Period, determined as of approximately 11:00 a.m. (London time) two Business
Days prior to the first day of such Interest Period, or

     (b) if the rate referenced in the preceding subsection (a) is not available, the rate
per annum determined by the Administrative Agent as the rate of interest (rounded upward to
the next 1/100th of 1%) at which deposits in Dollars for delivery on the first day of such
Interest Period in same day funds in the approximate amount of the Eurodollar Rate Loan
being made, continued or converted by the Administrative Agent and with a term equivalent to
such Interest Period would be offered by the Administrative Agent’s London Branch to major
banks in the offshore Dollar market at their request at approximately 11:00 a.m. (London
time) two Business Days prior to the first day of such Interest Period.

     Eurodollar Rate Loan means a Loan that bears interest at a rate based on the Eurodollar Rate.

     Event of Default means any of the events or circumstances specified in Article VIII.

     Excluded Assets means any contracts, agreements or permits as to which the granting of a
security interest in same would cause a default, termination or penalty thereunder or under any
applicable requirement of a Governmental Authority.

     Excluded Subsidiaries means collectively, (i) Eastern and any Subsidiary of Eastern that
Eastern may form after the date of this Agreement; and (ii) any Subsidiary of Parent that Parent
may form after the date of this Agreement that is not also a Subsidiary of a Borrower.

     FA Costs means and includes the reasonable fees and disbursements of any financial advisory or
consulting firm to Lenders or the Administrative Agent.

     Facility means, prior to the date of this Agreement, the term loan and $1,000,000 revolving
credit facility under this Agreement, and on and after the date of this Agreement, the term loan
facility as described in and subject to the limitations set forth in Section 2.01.

     Federal Funds Rate means, for any day, the rate per annum (rounded upwards to the nearest
1/100 of 1%) equal to the weighted average of the rates on overnight Federal funds transactions
with members of the Federal Reserve System arranged by Federal funds brokers on such day, as
published by the Federal Reserve Bank on the Business Day next succeeding such day; provided that
(a) if such day is not a Business Day, the Federal Funds Rate for such day shall be such rate on
such transactions on the next preceding Business Day as so published on the next succeeding
Business Day, and (b) if no such rate is so published on such next succeeding Business Day, the
Federal Funds Rate for such day shall be the average rate charged to the Administrative Agent on
such day on such transactions as determined by the Administrative Agent.

     First Amended and Restated Midstream Credit Agreement has the meaning specified in Preliminary
Statement (2) hereto.

     Foreign Lender means any Lender that is organized under the laws of a jurisdiction other than
that in which the Borrowers are resident for tax purposes. For purposes of this definition, the
United States, each State thereof and the District of Columbia shall be deemed to constitute a
single jurisdiction.

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     Fund means any Person (other than a natural person) that is (or will be) engaged in making,
purchasing, holding or otherwise investing in commercial loans and similar extensions of credit in
the ordinary course of its business.

     G&A Formula means the Modified Massachusetts Formula, which establishes a three-part factor
using assets, payroll (labor/headcount), and revenue to allocate general and administrative
expenses. The G&A Formula will be adjusted annually subsequent to Parent’s annual audit and
applied to the entire year following such audit. For the remainder of 2010, general and
administrative expenses will be allocated based on the G&A formula for the first seven months of
2010. The applicable percentages are 2.4% to Eastern; 15.5% to KPC Pipeline, LLC and 82.1% to
PESC.

     GAAP means generally accepted accounting principles set forth in the opinions and
pronouncements of the Accounting Principles Board and the American Institute of Certified Public
Accountants and statements and pronouncements of the Financial Accounting Standards Board and the
Public Company Accounting Oversights Board or such other principles as may be approved by a
significant segment of the accounting profession, that are applicable to the circumstances as of
the date of determination, consistently applied. If at any time any change in GAAP would affect
the computation of any financial ratio or requirement set forth in any Loan Document, and either
the Borrowers or the Required Lenders shall so request, the Administrative Agent, the Lenders and
the Borrowers shall negotiate in good faith to amend such ratio or requirement to preserve the
original intent thereof in light of such change in GAAP (subject to the approval of the Required
Lenders); provided that, until so amended, (a) such ratio or requirement shall continue to be
computed in accordance with GAAP prior to such change therein and (b) the Borrowers shall provide
to the Administrative Agent and the Lenders financial statements and other documents required under
this Agreement or as reasonably requested hereunder setting forth a reconciliation between
calculations of such ratio or requirement made before and after giving effect to such change in
GAAP.

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

     Guarantors means Parent and every present and future Subsidiary of the Borrowers (other than
the Excluded Subsidiaries and MidContinent and its Subsidiaries whether currently existing or
hereafter formed) which undertakes to be liable for all or any part of the Obligations by execution
of a Guaranty.

     Guaranty means a Guaranty now or hereafter made by any Guarantor in favor of the
Administrative Agent on behalf of the Lenders, including the Parent Guaranty, each in form and
substance acceptable to the Administrative Agent.

     Guaranty Obligation means, as to any Person, (a) any obligation, contingent or otherwise, of
such Person guaranteeing or having the economic effect of guaranteeing any Indebtedness or other
payment obligation of another Person (the “primary obligor”) in any manner, whether directly or
indirectly, and including any obligation of such Person, direct or indirect, (i) to purchase or pay
(or advance or supply funds for the purchase or payment of) such Indebtedness or other payment
obligation, (ii) to purchase or lease property, securities or services for the purpose of assuring
the obligee in respect of such Indebtedness or other payment obligation of the payment of such
Indebtedness or other payment obligation, (iii) 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 payment obligation, or (iv) entered into for the purpose
of assuring in any other manner the obligees in respect of such Indebtedness or other payment
obligation of the payment thereof or to protect such

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obligees against loss in respect thereof (in
whole or in part), or (b) any Lien on any assets of such Person securing any Indebtedness or other
payment obligation of any other Person, whether or not such Indebtedness or other payment
obligation is assumed by such Person; provided, however, that the term “Guaranty Obligation” shall
not include endorsements of instruments for deposit or collection in the ordinary course of
business. The amount of any Guaranty Obligation shall be deemed to be the lesser of (a) an amount
equal to the stated or determinable outstanding amount of the related primary obligation and (b)
the maximum amount for which such guaranteeing Person may be liable pursuant to the terms of the
instrument embodying such Guaranty Obligation, unless the outstanding amount of such primary
obligation and the maximum amount for which such guaranteeing Person may be liable are not stated
or determinable, in which case the amount of such Guaranty Obligation shall be the maximum
reasonably anticipated liability in respect thereof as determined by the guaranteeing Person in
good faith.

     Hazardous Substance means any substance that poses a threat to, or is regulated to protect,
human health, safety, public welfare, or the environment, including without limitation: (a) any
“hazardous substance,” “pollutant” or “contaminant,” and any “petroleum” or “natural gas liquids”
as those terms are defined or used under Section 101 of the Comprehensive Environmental Response,
Compensation and Liability Act of 1980, as amended ( 42 U.S.C. §§ 9601 et seq.) (CERCLA), (b)
“solid waste” as defined by the federal Solid Waste Disposal Act (42 U. S.C. § § 6901 et seq.), (c)
asbestos or a material containing asbestos, (d) any material that contains lead or lead-based
paint, (e) any item or equipment that contains or is contaminated by polychlorinated biphenyls, (f)
any radioactive material, (g) urea formaldehyde, (h) putrescible materials, (i) infectious
materials, (j) toxic microorganisms, including mold, or (k) any substance the presence or Release
of which requires reporting, investigation or remediation under any Environmental Law.

     Hydrocarbons means crude oil, condensate, natural gas, natural gas liquids, coal bed methane
and other hydrocarbons and all products refined or separated therefrom.

     Indebtedness means, as to any Person at a particular time, all of the following:

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

     (b) the face amount of all letters of credit (including standby and commercial),
banker’s acceptances, surety bonds, and similar instruments issued for the account of such
Person, and, without duplication, all drafts drawn and unpaid thereunder;

     (c) whether or not so included as liabilities in accordance with GAAP, all obligations
of such Person to pay the deferred purchase price of property or services, other than trade
accounts payable in the ordinary course of business not overdue by more than 90 days, and
Indebtedness of others (excluding prepaid interest thereon) secured by a Lien on property
owned or being purchased by such Person, whether or not such Indebtedness shall have been
assumed by such Person or is limited in recourse;

     (d) all obligations of such Person under conditional sales or other title retention
agreements relating to property acquired by such Person;

     (e) Capital Leases and Synthetic Lease Obligations of such Person; and

     (f) all Guaranty Obligations of such Person in respect of any of the foregoing.

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     For all purposes hereof, the Indebtedness of any Person shall include the Indebtedness of any
partnership or joint venture in which such Person is a general partner, unless such Indebtedness is
expressly made non-recourse to such Person except for customary exceptions acceptable to the
Required Lenders. The amount of any Capital Lease or Synthetic Lease Obligation as of any date
shall be deemed to be the amount of Attributable Indebtedness in respect thereof as of such date.
In addition, the determination of Indebtedness of the Borrowers and/or their Subsidiaries (other
than the Excluded Subsidiaries) shall be made on a consolidated basis without taking into account
any Indebtedness owed by any such Person to any other such Person.

     Indemnified Liabilities has the meaning set forth in Section 10.05.

     Indemnitees has the meaning set forth in Section 10.05.

     Intercreditor Agreement means that certain Intercreditor and Collateral Agency Agreement,
dated of even date herewith, among Borrowers, MidContinent, Royal Bank of Canada, as administrative
agent and collateral agent for the Lenders under this Agreement, Royal Bank of Canada, as
administrative agent and lenders party to the credit agreement governing the Borrowing Base Credit
Facility, and Royal Bank of Canada, as collateral agent.

     Interest Coverage Ratio means for any four quarter period and as of any determination date, as
calculated based on the quarterly Compliance Certificate most recently delivered pursuant to
Section 6.02(a) for the Borrowers, the ratio of (a) Adjusted Consolidated EBITDA for such four
quarter period ending on the determination date to (b) Consolidated Interest Charges for such four
quarter period.

     Interest Payment Date means each date an installment of principal is due on the Loan and the
Maturity Date.

     Interest Period means, as to each Eurodollar Rate Loan, the period commencing on the date such
Eurodollar Rate Loan is disbursed or converted to or continued as a Eurodollar Rate Loan and ending
on the date one, two, three or six months thereafter, as selected by the applicable Borrower (and
in the case of the initial Borrowing Notice, by PESC) in its Borrowing Notice; provided that:

     (i) any Interest Period that would otherwise end on a day that is not a Business Day
shall be extended to the next succeeding Business Day unless such Business Day falls in
another calendar month, in which case such Interest Period shall end on the next preceding
Business Day;

     (ii) any Interest Period pertaining to a Eurodollar Rate Loan that begins on the last
Business Day of a calendar month (or on a day for which there is no numerically
corresponding day in the calendar month at the end of such Interest Period) shall end on the
last Business Day of the calendar month at the end of such Interest Period; and

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

     Investment means, as to any Person, any acquisition or investment by such Person, whether by
means of (a) the purchase or other acquisition of capital stock or other securities of another
Person, (b) a loan, advance or capital contribution to, guaranty of Indebtedness of, or purchase or
other acquisition of any other Indebtedness or equity participation or interest in, another Person,
including any partnership or joint venture interest in such other Person, or (c) the purchase or
other acquisition (in one transaction or a series of transactions) of assets of another Person that
constitute a business unit. For purposes of covenant compliance, the amount of any Investment shall
be the amount actually invested, without adjustment for subsequent increases or decreases in the
value of such Investment, less all returns of principal or equity

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thereon, and shall, if made by
the transfer or exchange of property other than cash be deemed to have been made in an amount equal
to the fair market value of such property.

     IRS means the United States Internal Revenue Service.

     ISDA means the International Swaps and Derivatives Association, Inc.

     KPC Pipeline has the meaning specified in Preliminary Statement (3) hereto.

     KPC Pipeline LLC has the meaning specified in the introductory paragraph hereto.

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

     Leases means oil and gas leases and all oil, gas and mineral leases constituting any part of
the Borrowing Base Oil and Gas Properties.

     Lender and Lenders have the meanings specified in the introductory paragraph hereto.

     Lender Hedging Agreement means a Swap Contract between a Company and a Lender or an Affiliate
of a Lender.

     Lending Office means, as to any Lender, the office or offices of such Lender set forth on its
Administrative Details Form, or such other office or offices as a Lender may from time to time
notify the Borrower and the Administrative Agent.

     Leverage Ratio means, for the Borrowers on a consolidated basis, the ratio, as calculated
based on the quarterly Compliance Certificate most recently delivered pursuant to Section 6.02(a),
of (a) Cash Adjusted Consolidated Funded Debt as of the determination date to (b) Adjusted
Consolidated EBITDA for the four (4) fiscal quarters ending on the applicable determination date.

     Lien means any mortgage, pledge, hypothecation, assignment, deposit arrangement, encumbrance,
lien (statutory or other), charge, or preference, priority or other security interest or
preferential arrangement of any kind or nature whatsoever to secure or provide for payment of any
obligation of any Person (including any conditional sale or other title retention agreement, any
financing lease having substantially the same economic effect as any of the foregoing, and the
filing of any financing statement under the Uniform Commercial Code or comparable Laws of any
jurisdiction, other than any financing statement filed as a notice filing), including the interest
of a purchaser of accounts receivable.

     Loan means an extension of credit by a Lender to the Borrower pursuant to Section 2.01 and
Loans collectively refers to all such extensions of credit by the Lenders.

     Loan Documents means this Agreement, each Note, each of the Collateral Documents, each
Borrowing Notice, each Compliance Certificate, the Guaranties and each other agreement, document or
instrument delivered by any Loan Party or any of their respective Subsidiaries from time to time in
connection with this Agreement and the Notes.

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     Loan Party means each of the Borrowers, each Guarantor, and each other entity that is an
Affiliate of the Borrowers that executes one or more Loan Documents. For the avoidance of doubt,
the term “Loan Party” does not include any Excluded Subsidiary.

     Marcellus Assets means the producing Marcellus shale gas properties owned by MidContinent and
located in New York and West Virginia that constitute part of the Borrowing Base Oil and Gas
Properties that were initially acquired by Eastern from PetroEdge Resource (WV) LLC and transferred
to Quest Cherokee by Eastern and acquired by MidContinent by merger.

     Marcellus Gathering System means that portion of the gathering system relating to the
Marcellus Assets that is owned by Eastern.

     Marketable Title means good and indefeasible title, free and clear of all Liens other than
Permitted Liens.

     Material Acquisition means any acquisition of Oil and Gas Properties or series of related
acquisitions of Oil and Gas Properties that involves the payment of consideration (including,
without limitation, the issuance of equity) by any Borrower and its Subsidiaries in excess of five
percent (5%) of the then current borrowing base in effect under the Borrowing Base Credit Facility.

     Material Adverse Effect means: (a) a material adverse change in, or a material adverse effect
upon, the operations, business, properties or financial condition of the Borrowers and their
Subsidiaries (other than the Excluded Subsidiaries) taken as a whole; (b) a material adverse effect
on the ability of any Loan Party to perform its obligations under the Loan Documents to which it is
a party; (c) a material adverse effect upon the legality, validity, binding effect or
enforceability against a Borrower or any other Loan Party of any Loan Documents; or (d) a material
adverse change in, or a material adverse effect upon, the Borrowing Base Oil and Gas Properties,
taken as a whole, excluding changes in commodity prices; provided however, that with respect to
each case described in (a)-(d), Material Adverse Effect shall take into account the impact of the
White Deer Energy Investment and any White Deer Energy Additional Investment and the closing of the
transactions occurring contemporaneously with this Agreement and shall exclude events that have
been the subject of public filings of Parent prior to the date of this Agreement or of which
Lenders otherwise have knowledge as of the date of this Agreement.

     Material Agreements means the following: (a) the Organization Documents of KPC Pipeline, LLC;
and (b) the Organization Documents of PESC and any agreement or agreements entered into in
replacement or substitution of any of the foregoing.

     Material Disposition means any sale, transfer or other disposition of Borrowing Base Oil and
Gas Properties or other Collateral or series of related sales, transfers or other dispositions of
Borrowing Base Oil and Gas Properties that yields gross proceeds to the Borrowers or their
respective Subsidiaries in excess of five percent (5%) of the then current borrowing base in effect
under the Borrowing Base Credit Facility or, if other Collateral, is in excess of five percent (5%)
of the then current borrowing base in effect under the Borrowing Base Credit Facility.

     Maturity Date means the earliest of (a) February 28, 2012, (b) the date of any refinancing of
the Borrowing Base Credit Facility or (c) the effective date of acceleration of the Obligations
under this Agreement

     Maximum Amount and Maximum Rate respectively mean, for each Lender, the maximum non-usurious
amount and the maximum non-usurious rate of interest which, under applicable Law, such Lender is
permitted to contract for, charge, take, reserve, or receive on the Obligations.

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     MidContinent means PostRock MidContinent Production, LLC, a Delaware limited liability
company, formerly known as Bluestem Pipeline, LLC, successor by merger to Quest Cherokee, LLC and
to PostRock MidContinent Production, LLC, f/k/a Quest Energy Partners, L.P., successor by merger to
Quest Oil & Gas, LLC and Quest Energy Acquisition, LLC.

     Midstream Businesses means gathering, transportation, fractionation, processing, marketing,
and storage of natural gas, crude oil, natural gas liquids and other liquid and gaseous
hydrocarbons and businesses closely related to the foregoing.

     Midstream General Partner means Quest Midstream GP, LLC, a Delaware limited liability company,
the sole general partner of the Midstream MLP prior to the Recombination, which in connection with
the Recombination was merged into Quest Midstream Acquisition, LLC and its general partner interest
in the Midstream MLP cancelled.

     Midstream Lenders has the meaning specified in Preliminary Statement (2) hereto.

     Midstream MLP means PostRock Midstream, LLC, a Delaware limited liability company, which has,
as part of the Restructure Transactions, been merged into PESC.

     Misappropriation Transaction collectively means the alleged series of unauthorized fund
transfers occurring over a multi-year period initiated by the former chairman and chief executive
officer (“CEO”) of Quest Cherokee (now known as MidContinent) whereby funds of the MLP, Quest
Cherokee or one or more of their Subsidiaries were transferred to an entity controlled by the
former CEO and periodically repaid but in such a manner that the transactions were not timely
discovered and over time resulted in the former CEO having allegedly misappropriated and converted
to his personal use, approximately $10 million.

     MLP means Quest Energy Partners, L.P., a Delaware limited partnership, which pursuant to the
Recombination Transactions has converted into MidContinent.

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

     Mortgaged Properties means collectively all the Mortgaged Property as defined in the Mortgages
and Mortgaged Property individually means any one of such Mortgaged Properties.

     Mortgages means the mortgages, deeds of trust, or similar instruments executed by any of the
Loan Parties in favor of Administrative Agent or Collateral Agent, for the benefit of the Secured
Parties including the Mortgages creating a first lien on the KPC Pipeline and the Mortgages
creating a second Lien on the Borrowing Base Oil and Gas Properties and the Bluestem Gathering
System, and all supplements, assignments, amendments, and restatements thereto (or any agreement in
substitution therefor, and Mortgage means each of such Mortgages).

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

     Net Available Cash from a Disposition means cash payments received (including any cash
payments received by way of deferred payment of principal pursuant to a note or installment
receivable or otherwise and net proceeds from the Disposition of any securities received as
consideration, but only as and when received, but excluding any other consideration received in the
form of assumption by the

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acquiring Person of Indebtedness or other obligations relating to the
properties or assets that are the subject of such Disposition or received in any other non-cash
form) therefrom, in each case net of:

     (1) all legal, accounting, investment banking, title and recording tax expenses, commissions
and other fees and expenses incurred including, without limitation, the commission to be paid to
Robert W. Baird & Company under a contract with Parent in which Robert W. Baird & Company is to
solicit bids for a sale of the Marcellus Assets (or 100% of the equity of Eastern), and all
federal, state, provincial, foreign and local taxes required to be paid or accrued as a liability
under GAAP (after taking into account any available tax credits or deductions and any tax sharing
agreements), as a consequence of such Disposition;

     (2) all payments made on any Indebtedness (other than the Indebtedness governed by this
Agreement and the other Loan Documents) which is secured by any assets subject to such Disposition,
in accordance with the terms of any Lien upon such assets, or which must by its terms, or in order
to obtain a necessary consent to such Disposition, or by applicable Law be repaid out of the
proceeds from such Disposition;

     (3) all distributions and other payments required to be made to minority interest holders in
Subsidiaries or joint ventures or to holders of royalty or similar interests as a result of such
Disposition; and

     (4) the deduction of appropriate amounts to be provided by the seller as a reserve, in
accordance with GAAP, against any liabilities associated with the assets Disposed of in such
Disposition and retained by the Borrowers or any of their respective Subsidiaries after such
Disposition.

     Note means a term note of the Borrowers in substantially the form of Exhibit B, evidencing the
obligation of Borrowers to repay the Loans and all renewals and extensions of all or any part
thereof and “Notes” collectively means all of such promissory notes.

     Obligations means all advances to, and debts, liabilities, obligations, covenants and duties
of, any Loan Party arising under any Loan Document, whether direct or indirect (including those
acquired by assumption), absolute or contingent, due or to become due, now existing or hereafter
arising and including interest that accrues after the commencement by or against any Loan Party of
any proceeding under any Debtor Relief Laws naming such Person as the debtor in such proceeding. In
addition, all references to the “Obligations” in the Collateral Documents and in Sections 2.13 and
10.09 of this Agreement shall, in addition to the foregoing, also include all present and future
indebtedness, liabilities, and obligations (and all renewals and extensions thereof or any part
thereof) now or hereafter owed to any Lender or any Affiliate of a Lender arising pursuant to any
Lender Hedging Agreement.

     Obligor means the Borrowers and any other Person (other than the Administrative Agent,
Collateral Agent or any Lender) obligated under any Loan Document.

     Oil and Gas Properties means fee, leasehold or other interests in or under mineral estates or
Hydrocarbon leases with respect to properties situated in the United States, including overriding
royalty and royalty interests, leasehold estate interests, net profits interests, production
payment interests and mineral fee interests, together with contracts executed in connection
therewith and all tenements, hereditaments, appurtenances and properties, real or personal,
appertaining, belonging, affixed or incidental thereto.

     Organization Documents means, (a) with respect to any corporation, the certificate or articles
of incorporation and the bylaws; (b) with respect to any limited liability company, the certificate
of

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formation and operating agreement; and (c) with respect to any partnership, joint venture, trust
or other form of business entity, the partnership, joint venture or other applicable agreement of
formation and any agreement, instrument, filing or notice with respect thereto filed in connection
with its formation with the secretary of state or other department in the state of its formation,
in each case as amended from time to time.

     Original Midstream Credit Agreement has the meaning specified in Preliminary Statement (1)
hereto.

     Other Taxes has the meaning specified in Section 3.01(b).

     Outstanding Amount on any date means the aggregate principal amount of the Loans after giving
effect to any prepayments or repayments occurring on such date, and for purposes of Section 2.11(d)
with respect to Obligations under a Lender Hedging Agreement, means the amount then due and payable
under such Lender Hedging Agreement.

     Parent means PostRock Energy Corporation, a Delaware corporation.

     Parent Change of Control means any Person or two or more Persons acting in concert (other than
White Deer Energy or its Affiliates) acquires beneficial ownership (within the meaning of Rule
13d-3 of the Securities and Exchange Commission under the Securities Exchange Act of 1934) of more
than 50% of the outstanding shares of, and warrants relating to ,Voting Stock of Parent; provided,
however, that a merger of Parent into another entity in which the other entity is the survivor
shall not be deemed a Parent Change of Control, if Parent’s stockholders of record as constituted
immediately prior to such acquisition hold more than 50% of the outstanding shares of, and warrants
relating to, Voting Stock of the surviving entity; and provided further however, that in no event
will the issuance of new equity by Parent constitute a Parent Change of Control.

     Parent Guaranty means the Guaranty, dated of even date herewith, executed by Parent for the
benefit of the Lenders.

     Participant has the meaning specified in Section 10.07(d).

     PBGC means the Pension Benefit Guaranty Corporation.

     Pension Plan means any “employee pension benefit plan” (as such term is defined in Section
3(2)(A) of ERISA), other than a Multiemployer Plan, that is subject to Title IV of ERISA and is
sponsored or maintained by the Borrowers or any ERISA Affiliate or to which the Borrowers or any
ERISA Affiliate contributes or has an obligation to contribute, or in the case of a multiple
employer plan (as described in Section 4064(a) of ERISA) has made contributions at any time during
the immediately preceding five plan years.

     Permitted Liens means Liens permitted under Section 7.01 as described in such Section.

     Permitted Acquisition means any Acquisition by a Borrower or any of its Subsidiaries (other
than the Excluded Subsidiaries) resulting in ownership of assets inside the United States, or of
equity interests in a Domestic Person or a non-Domestic Person whose business operations and assets
are located in the U.S.; provided, however, that the following requirements have been satisfied:

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     (i) if such Acquisition results in a Borrower’s ownership of a Subsidiary, the Borrower
shall have complied with the requirements of Sections 6.14 and 6.15 as of the date of such
Acquisition;

     (ii) with respect to Acquisitions involving acquisitions of an equity interest, such
Acquisition shall have been approved or consented to by the board of directors or similar
governing entity of the Person being acquired; and

     (iii) as of the closing of such Acquisition no Default or Event of Default shall exist
or occur as a result of, and after giving effect to, such Acquisition.

     Person means any individual, trustee, corporation, general partnership, limited partnership,
limited liability company, joint stock company, trust, unincorporated organization, bank, business
association, firm, joint venture or Governmental Authority.

     PESC has the meaning specified in the introductory paragraph hereto.

     Plan means any “employee benefit plan” (as such term is defined in Section 3(3) of ERISA)
established by the Borrower or any ERISA Affiliate.

     PostRock Party means Parent or any direct or indirect Subsidiary of Parent.

     Preferred Dividend means the dividend required to be paid to White Deer Energy by Parent,
whether in cash or in kind, by reason of the White Deer Investment.

     Prime Rate means for any day, the rate of interest in effect for such day as publicly
announced from time to time by the Administrative Agent as its U.S. “prime rate.” Such rate is a
rate set by the Administrative Agent based upon various factors including the Administrative
Agent’s costs and desired return, general economic conditions and other factors, and is used as a
reference point for pricing some loans, which may be priced at, above, or below such announced
rate.

     Prior Midstream Credit Agreement has the meaning specified in Preliminary Statement (4)
hereto.

     Pro Rata Share means with respect to each Lender, at any time, a fraction (expressed as a
percentage, carried out to the ninth decimal place), the numerator of which is the amount of the
Loan of such Lender at such time and the denominator of which is the amount of all Loans at such
time. The initial Pro Rata Share of each Lender is set out opposite the name of such Lender on
Schedule 2.01 or in the Assignment and Assumption pursuant to which such Lender becomes a party
hereto, as applicable.

     Proved Developed Producing Reserves means Proved Reserves which are categorized as both
"Developed” and “Producing” in the Definitions for Oil and Gas reserves promulgated by the Society
of Petroleum Engineers (or any generally recognized successor) as in effect at the time in
question.

     Proved Reserves means Proved Reserves as defined in the Definitions for Oil and Gas reserves
promulgated by the Society of Petroleum Engineers (or any generally recognized successor) as in
effect at the time in question.

     Quest Cherokee means Quest Cherokee, LLC, which has merged into Bluestem with Bluestem being
the survivor and being now known as MidContinent.

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     QRC means Quest Resource Corporation, a Nevada corporation, which after the Recombination
became PESC.

     RBC means Royal Bank of Canada.

     Recombination means the transactions specified in the Recombination Agreement, pursuant to
which the equity owners of QRC, the MLP and Quest Midstream Partners, L.P. exchanged their equity
in such entities for equity in Parent.

     Recombination Agreement means that certain Agreement and Plan of Merger, dated as of July 2,
2009, among Parent, QRC, MLP, Quest Midstream Partners, L.P. and certain other Persons, as the same
may be amended, modified or waived from time to time in accordance with Section 7.14, pursuant to
which the Recombination was consummated.

     Reference Period has the meaning set forth in Section 7.16.

     Register has the meaning set forth in Section 10.07(c).

     Reinvested means used for capital expenditures or Acquisitions in connection with the
Midstream Businesses of a Company or the exploration, production and marketing of Hydrocarbons and
related activities.

     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
Affiliate.

     Release means any spilling, leaking, pumping, pouring, emitting, emptying, discharging,
injecting, escaping, leaching, dumping, disposal, deposit, dispersal, migrating, or other movement
into the air, ground, or surface water, or soil.

     Repayment Notice means a notice of repayment of Loans pursuant to Section 2.04(a), which, if
in writing, shall be substantially in the form of Exhibit A-3.

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

     Request for Borrowing means with respect to a Borrowing, conversion or continuation of Loans,
a Borrowing Notice.

     Required Lenders means, as of any date of determination, Lenders holding in the aggregate more
than 66+2/3% of the Loans outstanding.

     Reserve Report means a report prepared by an internal petroleum engineer of Parent or PESC
regarding the Proved Reserves attributable to the Borrowing Base Oil and Gas Properties, using the
criteria and parameters required by and acceptable to the Securities and Exchange Commission and
incorporating the present cost of appropriate plugging and abandonment obligations to be
incurred in the future, taking into account any plugging and abandonment fund required to be
accrued or established by PESC and MidContinent out of cash flow from the Borrowing Base Oil and
Gas Properties covered by such report with respect to such future obligations.

     Responsible Officer means the president, chief executive officer, executive vice president,
senior vice president, vice president, chief financial officer, controller, treasurer or assistant
treasurer of a

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Person. Any document delivered hereunder that is signed by a Responsible Officer of
a Loan Party shall be conclusively presumed to have been authorized by all necessary corporate,
partnership, limited liability company, and/or other action on the part of such Loan Party and such
Responsible Officer shall be conclusively presumed to have acted on behalf of such Loan Party.

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

     Restructure Transactions means the series of corporate transactions involving PESC and
Affiliates of PESC concluding on the date of this Agreement that includes the amendment of the
relevant Organization Documents and the amendment or termination of various Material Agreements
that relate to the entities and their intercompany transactions or are impacted by such corporate
transactions, including the following: (i) PESC Corporation converts to a Delaware close
corporation; (ii) Quest Transmission Company, LLC conveys the Three Little Pipes to Bluestem
(provided timely approval to do so is obtained from the Kansas Corporation Commission); (iii) Quest
Transmission Company, LLC is merged into PostRock Midstream, LLC; (iv).Quest Pipelines (KPC)
converts to a Delaware limited liability company named “PostRock KPC Pipeline, LLC,” which is KPC
Pipeline, LLC, one of the Borrowers hereunder; (v) Quest Kansas Pipeline, L.L.C. and Quest Kansas
General Partner, L.L.C. are merged into KPC Pipeline, LLC; (vi) Quest Energy Service, LLC, Quest
Mergersub, Inc., Energy & Midstream Partners JV, LLC and Quest Midstream Holdings Corp. are each
merged into PESC; (vii). MidContinent is merged into Quest Cherokee, Quest Cherokee survives, and
the EIN remains that of Quest Cherokee; (viii) Quest Cherokee Oilfield Service, LLC and PostRock
Midstream, LLC are each merged into PESC; (ix) Quest Oil & Gas, LLC is merged into Quest Cherokee;
(x) Bluestem conveys all vehicles and equipment to PESC; (x) Quest Cherokee merges into Bluestem,
Bluestem’s EIN remains, and Bluestem takes the name “PostRock MidContinent Production, LLC” which
entity is a grantor of Mortgages establishing a second Lien in favor of the Secured Parties on the
Borrowing Base Oil and Gas Properties and the Bluestem Gathering System hereunder; and (xi) the
White Deer Energy Investment in Parent occurs..

     Rights means rights, remedies, powers, privileges, and benefits.

     S&P means Standard & Poor’s Rating Services, a division of The McGraw-Hill Companies, Inc.

     Secured Parties means the Lenders party to this Agreement, the Lenders and/or any Affiliate of
a Lender party to a Lender Hedging Agreement. The term “Secured Parties” shall include a former
Lender or an Affiliate of a former Lender that is party to a Swap Contract with any Loan Party;
provided that such former Lender or Affiliate was a Lender or an Affiliate of a Lender at the time
it entered into such Swap Contract.

     Security Agreements means, collectively, the security agreements, or similar instruments,
executed by any of the Loan Parties in favor of the Administrative Agent or the Collateral Agent
for the benefit of the Secured Parties, creating a first lien on all assets securing the Prior
Midstream Credit Agreement on the Closing Date and a second lien on the assets securing on a first
lien basis the Borrowing Base Credit Facility, in form and substance acceptable to the
Administrative Agent, and all supplements, assignments, amendments, and restatements thereto (or
any agreement in substitution therefor), and “Security Agreement” means each of such Security
Agreements.

     STP means STP Newco, Inc., an Oklahoma corporation.

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     Subsidiary of a Person means a corporation, partnership, joint venture, limited liability
company or other business entity of which a majority of the shares of securities or other interests
having ordinary voting power for the election of directors or other governing body (other than
securities or interests having such power only by reason of the happening of a contingency) are at
the time beneficially owned, or the management of which is otherwise controlled, directly, or
indirectly through one or more intermediaries, or both, by such Person. Unless otherwise
specified, all references herein to a “Subsidiary” or to “Subsidiaries” shall refer to a Subsidiary
or Subsidiaries of the Borrowers.

     Subsidiary Guaranty means any Subsidiary Guaranty made by a Subsidiary of a Borrower (other
than the Excluded Subsidiaries and MidContinent and its Subsidiaries whether currently existing or
hereafter formed) in favor of the Administrative Agent on behalf of the Lenders, in form and
substance acceptable to the Administrative Agent.

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

     Swap Termination Value means, in respect of any one or more Swap Contracts, after taking into
account the effect of any legally enforceable netting agreement relating to such Swap Contracts,
(a) for any date on or after the date such Swap Contracts have been closed out and termination
value(s) determined in accordance therewith, such termination value(s).

     Synthetic Lease Obligation means the monetary obligation of a Person under (a) a so-called
synthetic or tax retention lease, or (b) an agreement for the use or possession of property
creating obligations that do not appear on the balance sheet of such Person but which are
depreciated for tax purposes by such Person.

     Taxes has the meaning set forth in Section 3.01(a).

     Term Loan Commitment means, as to each Lender, its obligation to make Loans to Borrowers
pursuant to Section 2.01, in an aggregate principal amount at any one time outstanding not to
exceed the amount set out opposite such Lender’s name on Schedule 2.01, or in the Assignment and
Assumption pursuant to which such Lender becomes a party hereto, as applicable, as such amount may be
adjusted from time to time in accordance with this Agreement.

     Three Little Pipes means the three (3) small ancillary pipelines identified as the Augusta
System, the OCF System and the Quindaro System, located in Kansas, owned by Quest Transmission
Company and contemplated to be conveyed to MidContinent as part of the Restructure Transactions,
subject to timely approval to do so being obtained from the Kansas Corporation Commission.

     Total Outstandings means the aggregate Outstanding Amount of all Loans.

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     Transfer Payments means any payment made to Parent or any of the Excluded Subsidiaries.

     Type means, with respect to a Loan, its character as a Base Rate Loan or a Eurodollar Rate
Loan.

     Unfunded Pension Liability means the excess of a Pension Plan’s benefit liabilities under
Section 4001(a)(16) of ERISA, over the current value of that Pension Plan’s assets, determined in
accordance with the assumptions used for funding the Pension Plan pursuant to Section 412 of the
Code for the applicable plan year.

     United States or U.S. means the United States of America, its fifty states and the District of
Columbia.

     Voting Stock means the capital stock (or equivalent thereof) of any class or kind, of a
Person, the holders of which are entitled to vote for the election of directors, managers, or other
voting members of the governing body of such Person.

     White Deer Energy means any one or more of White Deer Energy L.P. a Cayman Islands exempted
limited partnership, White Deer Energy TE L.P., and White Deer Energy FI L.P.

     White Deer Energy Additional Investment means any amount in excess of $50,000,000 paid to
Parent by White Deer Energy to purchase additional equity in Parent.

     White Deer Energy Investment means the purchase, on or prior to the date hereof, by White Deer
Energy of shares of Series A Cumulative Redeemable Preferred Stock issued by Parent, together with
warrants to purchase common stock and Series B Preferred Stock, for at least $50,000,000 as an
initial investment, with White Deer Energy reserving $30,000,000 of additional capital to be
invested in equity of Parent under the terms and conditions of that certain Securities Purchase
Agreement, by and among Parent and White Deer Energy.

     Wholly-Owned when used in connection with a Person means any Subsidiary of such Person of
which all of the issued and outstanding equity interests (except shares required as directors’
qualifying shares) shall be owned by such Person or one or more of its Wholly-Owned Subsidiaries.

          1.02. Other Interpretive Provisions.

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

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

     (ii) Unless otherwise specified herein, Article, Section, Exhibit and Schedule
references are to this Agreement.

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

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

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

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

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

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

          1.05. References to Agreements, Persons and Laws; Rules of Construction. Unless otherwise expressly provided herein, (a) references to agreements (including the Loan
Documents) and other contractual instruments shall be deemed to include all subsequent amendments,
restatements, extensions, supplements and other modifications thereto, but only to the extent that
such amendments, restatements, extensions, supplements and other modifications are not prohibited
by any Loan Document; and (b) references to any Law shall include all statutory and regulatory
provisions consolidating, amending, replacing, supplementing or interpreting such Law; and (c) any
reference herein to any Person shall be construed to include such Person’s successors and assigns
(subject to the restrictions contained in the Loan Documents). No provision of this Agreement or
any other Loan Document shall be interpreted or construed against any Person solely because such
Person or its legal representatives drafted such provision.

ARTICLE II.

TERM LOAN

          2.01. Term Loan. Subject to and in reliance upon the terms, conditions, representations, and warranties in the
Loan Documents, each Lender severally, but not jointly, agrees to make a term loan (each such term
loan a “Loan”) to Borrowers on the Closing Date, in an aggregate amount not to exceed at any time
outstanding the amount of such Lender’s Term Loan Commitment as set forth on Schedule 2.01. Loans
may be Base Rate Loans or Eurodollar Rate Loans, as further provided herein.

          2.02. Intentionally Deleted

          2.03. Borrowings, Conversions and Continuations of Loans.

     (a) The Borrowing on the Closing Date, each conversion of Loans from one Type to the other,
and each continuation of Loans as the same Type shall be made upon a Borrower’s irrevocable notice
to the Administrative Agent, which may be given by telephone. Each such notice must be received by
the Administrative Agent not later than noon, New York time, (i) three Business Days prior to the
requested date of the Borrowing of, conversion to or continuation of Eurodollar Rate Loans, and
(ii) one Business Day prior to the conversion of Eurodollar Rate Loans to Base Rate Loans, or the
requested date

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of the Borrowing of Base Rate Loans. Each such telephonic notice must be confirmed
promptly by delivery to the Administrative Agent of a written Borrowing Notice, appropriately
completed and signed by a Responsible Officer of a Borrower. Each Borrowing of, conversion to or
continuation of Eurodollar Rate Loans shall be in a principal amount of $500,000 or a whole
multiple of $500,000 in excess thereof. Each Borrowing of or conversion to Base Rate Loans shall
be in a principal amount of $500,000 or a whole multiple of $500,000 in excess thereof. Each
Borrowing Notice (whether telephonic or written) shall specify (i) whether a Borrower is requesting
a Borrowing, a conversion of Loans from one Type to the other, or a continuation of Loans as the
same Type, (ii) the requested date of the Borrowing, conversion or continuation, as the case may be
(which shall be a Business Day), (iii) the principal amount of Loans to be borrowed, converted or
continued, (iv) the Type of Loans to be borrowed or to which existing Loans are to be converted,
and (v) if applicable, the duration of the Interest Period with respect thereto. If a Borrower
fails to specify a Type of Loan in a Borrowing Notice or if a Borrower fails to give a timely
notice requesting a conversion or continuation, then the applicable Loans shall be made or
continued as, or converted to, Base Rate Loans. Any such automatic conversion to Base Rate Loans
shall be effective as of the last day of the Interest Period then in effect with respect to the
applicable Eurodollar Rate Loans. If a Borrower requests a Borrowing of, conversion to, or
continuation of Eurodollar Rate Loans in any such Borrowing Notice, but fails to specify an
Interest Period, it will be deemed to have specified an Interest Period of one month.

     (b) Following receipt of a Borrowing Notice, the Administrative Agent shall promptly notify
each Lender of its Pro Rata Share of the applicable Borrowing, and if no timely notice of a
conversion or continuation is provided by such Borrower, the Administrative Agent shall notify each
Lender of the details of any automatic conversion to Base Rate Loans described in the preceding
subsection. In the case of a Borrowing, each Lender shall make the amount of its Loan available to
the Administrative Agent in immediately available funds at the Administrative Agent’s Office not
later than noon, New York time, on the Business Day specified in the applicable Borrowing Notice.
Upon satisfaction of the applicable conditions set forth in Section 4.01, the Administrative Agent
shall make all funds so received available to such Borrower in like funds as received by the
Administrative Agent either by (i) crediting the account of such Borrower on the books of the
Administrative Agent with the amount of such funds or (ii) wire transfer of such funds, in each
case in accordance with instructions provided to the Administrative Agent by such Borrower.

     (c) Except as otherwise provided herein, a Eurodollar Rate Loan may be continued or converted
only on the last day of the Interest Period for such Eurodollar Rate Loan. During the existence of
an Event of Default, no Loans may be requested as, converted to or continued as Eurodollar Rate
Loans without the consent of the Required Lenders, and the Required Lenders may demand that any or
all of the then outstanding Eurodollar Rate Loans be converted immediately to Base Rate Loans. The
Administrative Agent shall promptly notify the Borrowers and the Lenders of the interest rate
applicable to any Eurodollar Rate Loan upon determination of such interest rate. The determination
of the Eurodollar Rate by the Administrative Agent shall be conclusive in the absence of manifest
error.

     (d) After giving effect to all Borrowings, all conversions of Loans from one Type to the
other, and all continuations of Loans as the same Type, there shall not be more than two (2)
Interest Periods in effect at any given time with respect to Loans.

          2.04. Prepayments.

     (a) Optional Prepayments. The Borrowers may, upon delivery of a Repayment Notice to
the Administrative Agent, at any time or from time to time voluntarily prepay in whole or in part
Loans outstanding under this Agreement without premium or penalty; provided that (i) such notice
must be received by the Administrative Agent not later than noon, New York time, (A) three Business
Days prior

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to any date of prepayment of Eurodollar Rate Loans, and (B) the date of prepayment of
Base Rate Loans; (ii) any prepayment of Eurodollar Rate Loans shall be in a principal amount of
$1,000,000 or a whole multiple of $1,000,000 in excess thereof; and (iii) any prepayment of Base
Rate Loans shall be in a principal amount of $100,000 or a whole multiple of $100,000 in excess
thereof. Each such notice shall specify the date and amount of such prepayment and the Type(s) of
Loans to be prepaid. The Administrative Agent will promptly notify each Lender of its receipt of
each such notice, and of such Lender’s Pro Rata Share of such prepayment. If such notice is given
by a Borrower, such Borrower shall make such prepayment and the payment amount specified in such
notice shall be due and payable on the date specified therein. Any prepayment of a Eurodollar Rate
Loan shall be accompanied by all accrued interest thereon, together with any additional amounts
required pursuant to Section 3.05. Each such prepayment shall be applied to the Loans of the
Lenders in accordance with their respective Pro Rata Shares.

     (b) Mandatory Prepayment from Sale of KPC Pipeline. Net Available Cash from the
Disposition of the KPC Pipeline or the limited liability membership interest in KPC Pipeline LLC
shall be applied to prepay outstanding Loans contemporaneously with the closing of any such
Disposition. If after repayment of all Obligations hereunder any Net Available Cash remains,
Borrowers shall not be required to prepay the Borrowing Base Credit Facility.

     (c) Change of Control. Upon a Change of Control, the Borrowers shall repay to the
Lenders the aggregate principal amount of Loans outstanding, together with all accrued and unpaid
interest and fees contemporaneously with such Change of Control.

     (d) Prepayments: Interest/Consequential Loss. All prepayments under this Section 2.04
shall be made together with accrued interest to the date of such prepayment on the principal amount
prepaid and any amounts due under Section 3.05.

          2.05. Intentionally Deleted.

          2.06. Repayment of Loans.

     The Borrowers shall repay principal of the Loan in eighteen (18) consecutive monthly
installments, the first six (6) of which shall be in the amount of $500,000 each and the next
eleven (11) of which shall each be in the amount of $1,000,000 and the eighteenth
(18th)and final installment of which shall be in the amount of the unpaid principal
balance of the Loan. The first installment will be due one month from the Closing Date and the
remaining principal installments will be due on the same date of each succeeding month until the
Maturity Date when the aggregate principal amount of the Loan outstanding, together with all
accrued and unpaid interest shall be due and payable.

          2.07. Interest. (a) Subject to the provisions of subsection (b) below, (i) each Eurodollar Rate Loan shall bear
interest on the outstanding principal amount thereof for each Interest Period at a rate per annum
equal to the Eurodollar Rate for such Interest Period plus the Applicable Rate and (ii) each Base
Rate Loan shall bear interest on the outstanding principal amount thereof from the applicable
borrowing date at a rate per annum equal to the Base Rate plus the Applicable Rate.

     (b) If any amount payable by the Borrowers under any Loan Document is not paid when due (after
the expiration of any applicable grace periods), whether at stated maturity by acceleration or
otherwise, such amount shall thereafter bear interest at a fluctuating interest rate per annum at
all times equal to the Default Rate to the fullest extent permitted by applicable Laws.
Furthermore, while any Event of Default exists or after acceleration (i) the Borrowers shall pay
interest on the principal amount of all outstanding Obligations at a fluctuating interest rate per
annum at all times equal to the Default Rate to

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the fullest extent permitted by applicable Law, and
(ii) accrued and unpaid interest on past due amounts (including interest on past due interest, to
the extent allowed by Law) shall be due and payable upon demand.

     (c) Interest on each Loan shall be due and payable in arrears on each Interest Payment Date
applicable thereto and at such other times as may be specified herein. Interest hereunder shall be
due and payable in accordance with the terms hereof before and after judgment, and before and after
the commencement of any proceeding under any Debtor Relief Law.

     (d) If the designated rate applicable to any Loan exceeds the Maximum Rate, the rate of
interest on such Loan shall be limited to the Maximum Rate, but any subsequent reductions in such
designated rate shall not reduce the rate of interest thereon below the Maximum Rate until the
total amount of interest accrued thereon equals the amount of interest which would have accrued
thereon if such designated rate had at all times been in effect. In the event that at maturity
(stated or by acceleration), or at final payment of the Outstanding Amount of any Loans, the total
amount of interest paid or accrued is less than the amount of interest which would have accrued if
such designated rates had at all times been in effect, then, at such time and to the extent
permitted by Law, the Borrowers shall pay an amount equal to the difference between (a) the lesser
of the amount of interest which would have accrued if such designated rates had at all times been
in effect and the amount of interest which would have accrued if the Maximum Rate had at all times
been in effect, and (b) the amount of interest actually paid or accrued on such Outstanding Amount.

          2.08. Fees. On the Closing Date, the Borrowers shall cause to be paid irrevocably the previously earned but
unpaid amendment fee relating to the Prior Midstream Credit Agreement in the amount of $593,640.95.
No new or additional amendment fees shall accrue by reason of the amendment and restatement of the
Prior Midstream Credit Agreement evidenced by this Agreement. No Section 10.07(iii) processing and
recordation fee shall be due with reference to any assignment of any indebtedness and liens under
the Prior Midstream Credit Agreement effective on the Closing Date.

          2.09. Computation of Interest and Fees. Computation of interest on Base Rate Loans shall be calculated on the basis of a year of 365 or
366 days, as the case may be, and the actual number of days elapsed. Computation of all other
types of interest (including interest on Eurodollar Rate Loans) and all fees shall be calculated on
the basis of a year of 360 days and the actual number of days elapsed, which results in a higher
yield to the payee thereof than a method based on a year of 365 or 366 days. Interest shall accrue
on each Loan for the day on which the Loan is made, and shall not accrue on a Loan, or any portion
thereof, for the day on which the Loan or such portion is paid; provided that any Loan that is
repaid on the same day on which it is made shall bear interest for one day.

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

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          2.11. Payments Generally.

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

     (b) Subject to the definition of “Interest Period,” if any payment to be made by the Borrowers
shall come due on a day other than a Business Day, payment shall be made on the next following
Business Day, and such extension of time shall be reflected in computing interest or fees, as the
case may be.

     (c) If no Event of Default exists and if no order of application is otherwise specified in the
Loan Documents, payments and prepayments of the Obligations shall be applied first to fees, second
to accrued interest then due and payable on the Outstanding Amount of Loans, and then to the
remaining Obligations in the order and manner as Borrowers may direct.

     (d) If at any time insufficient funds are received by and available to the Administrative
Agent to pay fully the Obligations, or if an Event of Default exists, any payment or prepayment
shall be applied in the following order: (i) to the payment of enforcement expenses incurred by the
Administrative Agent, including Attorney Costs; (ii) to the ratable payment of all fees, expenses
and indemnities (including amounts payable under Article III) for which the Administrative Agent
or Lenders have not been paid or reimbursed in accordance with the Loan Documents (as used in this
Section 2.11(d)(ii), a “ratable payment” for any Lender or the Administrative Agent shall be, on
any date of determination, that proportion which the portion of the total fees, expenses and
indemnities owed to such Lender or the Administrative Agent bears to the total aggregate fees,
expenses and indemnities owed to all Lenders and the Administrative Agent on such date of
determination); (iii) to the ratable payment of accrued and unpaid interest on, and principal of,
the Outstanding Amount of Loans and the Outstanding Amount of Obligations under Lender Hedging
Agreements; (it being understood that for purposes of this clause (iii) the Outstanding Amount of
Obligations under Lender Hedging Agreements refers to payments owing in connection with an Early
Termination Date as defined in the 2002 Master Agreement form promulgated by the ISDA (or
equivalent type payment obligation if some other form of Swap Contract is in effect)(as used in
this Section 2.11(d)(iii), “ratable payment” means for any Lender (or Lender Affiliate, in the case
of Lender Hedging Agreements), on any date of determination, that proportion which the accrued and
unpaid interest on, and principal of, the Outstanding Amount of Loans and the Outstanding Amount of
Obligations under Lender Hedging Agreements owed to such Lender (or Lender Affiliate, in the case
of Lender Hedging Agreements) bears to the accrued and unpaid interest on, and principal of, the
Outstanding Amount of Loans and the Outstanding Amount of Obligations under Lender Hedging
Agreements owed to all Lenders) (and Affiliates, in the case of Lender Hedging Agreements); and
(iv) to the payment of the remaining Obligations, if any, in the order and manner the Required
Lenders deem appropriate.

     (e) Unless any Borrower or any Lender has notified the Administrative Agent prior to the date
any payment is required to be made by it to the Administrative Agent hereunder, that such Borrower
or such Lender, as the case may be, will not make such payment, the Administrative Agent may assume
that such Borrower or such Lender, as the case may be, has timely made such payment and may (but
shall

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not be so required to), in reliance thereon, make available a corresponding amount to the
Person entitled thereto. If and to the extent that such payment was not in fact made to the
Administrative Agent in immediately available funds, then:

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

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

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

     (f) If any Lender makes available to the Administrative Agent funds for any Loan to be made by
such Lender as provided in the foregoing provisions of this Article III, and the conditions to the
applicable Borrowing set forth in Article IV are not satisfied or waived in accordance with the
terms hereof, the Administrative Agent shall return such funds (in like funds as received from such
Lender) to such Lender, without interest.

     (g) The obligations of the Lenders hereunder to make Loans are several and not joint. The
failure of any Lender to make any Loan on any date required hereunder shall not relieve any other
Lender of its corresponding obligation to do so on such date, and no Lender shall be responsible
for the failure of any other Lender to so make its Loan or purchase its participation.

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

          2.12. Sharing of Payments. If, other than as expressly provided elsewhere herein, any Lender shall obtain on account of the
Loans made by it any payment (whether voluntary, involuntary, through the exercise of any right of
set-off, or otherwise) in excess of its ratable share (or other share contemplated hereunder)
thereof, such Lender shall immediately (a) notify the Administrative Agent, of such fact, and (b)
purchase from the other Lenders such participations in the Loans made by them as shall be necessary
to cause such purchasing Lender to share the excess payment in respect of such Loan pro

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rata with
each of them; provided, however, that if all or any portion of such excess payment is thereafter
recovered from the purchasing Lender, such purchase shall to that extent be rescinded and each
other Lender shall repay to the purchasing Lender the purchase price paid therefor, together with
an amount equal to such paying Lender’s ratable share (according to the proportion of (i) the
amount of such paying Lender’s required repayment to (ii) the total amount so recovered from the
purchasing Lender) of any interest or other amount paid or payable by the purchasing Lender in
respect of the total amount so recovered. The Borrowers agree that any Lender so purchasing a
participation from another Lender may, to the fullest extent permitted by law, exercise all its
rights of payment (including the right of set-off, but subject to Section 10.09) with respect to
such participation as fully as if such Lender were the direct creditor of the Borrowers in the
amount of such participation. The Administrative Agent will keep records (which shall be
conclusive and binding in the absence of manifest error) of participations purchased under this
Section and will in each case notify the Lenders following any such purchases or repayments. Each
Lender that purchases a participation pursuant to this Section shall from and after such purchase
have the right to give all notices, requests, demands, directions and other communications under
this Agreement with respect to the portion of the Obligations purchased to the same extent as
though the purchasing Lender were the original owner of the Obligations purchased.

          2.13. Pari Passu Lien Securing Lender Hedging Obligations . All Obligations arising under the Loan Documents, including, without limitation,
Obligations under this Agreement and Obligations under any Lender Hedging Agreement (but not
Indebtedness of any Loan Party owing to any non-Lender or non-Lender Affiliate which enters into a
Swap Contract with any Borrower or any other Loan Party), shall be secured pari passu by the
Collateral. No Lender or any Affiliate of a Lender shall have any voting rights under any Loan
Document as a result of the existence of obligations owed to it under any such Lender Hedging
Agreement.

ARTICLE III. TAXES, YIELD PROTECTION AND ILLEGALITY

          3.01. Taxes.

     (a) Any and all payments by the Borrowers to or for the account of the Administrative Agent or
any Lender under any Loan Document shall be made free and clear of and without deduction for any
and all present or future taxes, duties, levies, imposts, deductions, assessments, fees,
withholdings or similar charges, and all liabilities with respect thereto; excluding, in the case
of the Administrative Agent and each Lender, taxes imposed on or measured by its net income
(including any franchise taxes imposed on or measured by its net income), by the jurisdiction (or
any political subdivision thereof) under the Laws of which the Administrative Agent or such Lender,
as the case may be, is organized or maintains its Lending Office (all such non-excluded taxes,
duties, levies, imposts, deductions, assessments, fees, withholdings or similar charges, and
liabilities being hereinafter referred to as “Taxes”). If the Borrowers shall be required by any
Laws to deduct any Taxes from or in respect of any sum payable under any Loan Document to the
Administrative Agent or any Lender, (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), each of the Administrative Agent and such Lender receives an amount equal to
the sum it would have received had no such deductions been made, (ii) the Borrowers shall make such
deductions and (iii) the Borrowers shall pay the full amount deducted to the relevant taxation
authority or other authority in accordance with applicable Laws.

     (b) In addition, the Borrowers agree to pay any and all present or future stamp, mortgage,
court or documentary taxes and any other excise or property taxes or charges or similar levies
which arise from any payment made under any Loan Document or from the execution, delivery,
performance, enforcement or registration of, or otherwise with respect to, any Loan Document
(hereinafter referred to as “Other Taxes”).

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     (c) If the Borrowers shall be required to deduct or pay any Taxes or Other Taxes from or in
respect of any sum payable under any Loan Document to the Administrative Agent or any Lender, the
Borrowers shall also pay to the Administrative Agent (for the account of such Lender) or to such
Lender, at the time interest is paid, such additional amount that such Lender specifies as
necessary to preserve the after-tax yield (after factoring in all taxes, including taxes imposed on
or measured by net income) such Lender would have received if such Taxes or Other Taxes had not
been imposed.

     (d) The Borrowers agree to indemnify the Administrative Agent and each Lender for (i) the full
amount of Taxes and Other Taxes (including any Taxes or Other Taxes imposed or asserted by any
jurisdiction on amounts payable under this Section) paid by the Administrative Agent and such
Lender, and (ii) amounts payable under Section 3.01(c) and (iii) any liability (including
penalties, interest and expenses) arising therefrom or with respect thereto, except to the extent
such sums are determined by a court of competent jurisdiction by final and non-appealable judgment
to have resulted from the gross
negligence or willful misconduct of the Administrative Agent or such Lender, as applicable.
Neither the Administrative Agent nor any Lender shall be entitled to receive any payment with
respect to any indemnity claim under this Section 3.01 with respect to Taxes or Other Taxes that
are incurred or accrued more than 180 days prior to the date such party gives notice and demand
with respect thereto to the Borrowers. Payment under this subsection (d) shall be made within 30
days after the date the Lender or the Administrative Agent makes a demand therefor.

     (e) As soon as practicable after any payment of indemnified Taxes or Other Taxes by the
Borrowers to a Governmental Authority, the Borrowers 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.

     (f) Any Foreign Lender that is entitled to an exemption from or reduction of withholding tax
under the Law of the jurisdiction in which any Borrower is resident for tax purposes, or any treaty
to which such jurisdiction is a party, with respect to payments hereunder or under any other Loan
Document shall deliver to the Borrowers (with a copy to the Administrative Agent), at the time or
times prescribed by applicable Law or reasonably requested by the Borrowers or the Administrative
Agent, such properly completed and executed documentation prescribed by applicable Law, or
reasonably requested by Borrowers, as will permit such payments to be made without withholding or
at a reduced rate of withholding. In addition, any Lender, if requested by the Borrowers or the
Administrative Agent, shall deliver such other documentation prescribed by applicable Law or
reasonably requested by the Borrowers or the Administrative Agent as will enable the Borrowers or
the Administrative Agent to determine whether or not such Lender is subject to backup withholding
or information reporting requirements.

     Without limiting the generality of the foregoing, in the event that any Borrower is resident
for tax purposes in the United States, any Foreign Lender shall deliver to the Borrowers and the
Administrative Agent (in such number of copies as shall be requested by the recipient) on or prior
to the date on which such Foreign Lender becomes a Lender under this Agreement (and from time to
time thereafter upon the request of the Borrowers or the Administrative Agent, but only if such
Foreign Lender is legally entitled to do so), whichever of the following is applicable:

     (i) duly completed copies of Internal Revenue Service Form W-8BEN claiming eligibility
for benefits of an income tax treaty to which the United States is a party;

     (ii) duly completed copies of Internal Revenue Service Form W-8ECI;

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     (iii) in the case of a Foreign Lender claiming the benefits of the exemption for
portfolio interest under section 881(c) of the Code, (x) a certificate to the effect that
such Foreign Lender is not (A) a “bank” within the meaning of section 881(c)(3)(A) of the
Code, (B) a “10 percent shareholder” of any Borrower within the meaning of section
881(c)(3)(B) of the Code, or (C) a “controlled foreign corporation” described in section
881(c)(3)(C) of the Code and (y) duly completed copies of Internal Revenue Service Form
W-8BEN; or

     (iv) any other form prescribed by applicable Law as a basis for claiming exemption from
or a reduction in United States Federal withholding tax duly completed together with such
supplementary documentation as may be prescribed by applicable Law to permit the Borrowers
to determine the withholding or deduction required to be made.

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

          3.02. Illegality. If any Lender determines that any Change in Law has made it unlawful for any Lender or its
applicable Lending Office to make, maintain or fund Eurodollar Rate Loans, or materially restricts
the authority of such Lender to purchase or sell, or to take deposits of, Dollars in the applicable
offshore Dollar market, or to determine or charge interest rates based upon the Eurodollar Rate,
then, on notice thereof by such Lender to the Borrowers through the Administrative Agent, any
obligation of such Lender to make or continue Eurodollar Rate Loans or to convert Base Rate Loans
to Eurodollar Rate Loans shall be suspended until such Lender notifies the Administrative Agent and
the Borrowers that the circumstances giving rise to such determination no longer exist. Upon
receipt of such notice, the Borrowers shall, upon demand from such Lender (with a copy to the
Administrative Agent), prepay or, if applicable, convert all Eurodollar Rate Loans of such Lender
to Base Rate Loans, either on the last day of the Interest Period thereof, if such Lender may
lawfully continue to maintain such Eurodollar Rate Loans to such day, or immediately, if such
Lender may not lawfully continue to maintain such Eurodollar Rate Loans. Upon any such prepayment
or conversion, the Borrowers shall also pay interest on the amount so prepaid or converted and all
amounts due under Section 3.05 in accordance with the terms thereof due to such prepayment or
conversion. Each Lender agrees to designate a different Lending Office if such designation will
avoid the need for such notice and will not, in the reasonable judgment of such Lender, otherwise
be materially disadvantageous to such Lender.

          3.03. Inability to Determine Rates. If (a) the Administrative Agent (or any Lender) determines in connection with any request for a
Eurodollar Rate Loan or a conversion to or continuation thereof that Dollar deposits are not being
offered to banks (or such Lender) in the applicable offshore Dollar market for the applicable
amount and Interest Period of such Eurodollar Rate Loan, or adequate and reasonable means do not
exist for determining the Eurodollar Rate for such Eurodollar Rate Loan, or (b) the Required
Lenders (or any Lender) determine and notify the Administrative Agent that the

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Eurodollar Rate for such Eurodollar Rate Loan does not adequately and fairly reflect the cost to the Lenders (or such
Lender) of funding such Eurodollar Rate Loan, then the Administrative Agent will promptly notify
the Borrowers and all Lenders. Thereafter, the obligation of the Lenders to make or maintain
Eurodollar Rate Loans shall be suspended until all of the Lenders agree the conditions specified in
clauses (a) or (b) above no longer exist, whereupon the Administrative Agent shall revoke such
notice. Upon receipt of such notice, the Borrowers may revoke any pending request for a Borrowing,
conversion or continuation of Eurodollar Rate Loans or, failing that, will be deemed to have
converted such request into a request for a Borrowing of Base Rate Loans in the amount specified
therein.

     3.04. Increased Cost and Reduced Return; Capital Adequacy; Reserves on Eurodollar Rate
Loans.

     (a) If any Lender determines that as a result of a Change in Law, or such Lender’s compliance
therewith, there shall be any increase in the cost to such Lender of agreeing to make or making,
funding or maintaining Eurodollar Rate Loans or a reduction in the amount received or receivable by
such Lender in connection with any of the foregoing (excluding for purposes of this subsection (a)
any such increased costs or reduction in amount resulting from (i) Taxes or Other Taxes (as to
which Section 3.01 shall govern), (ii) changes in the basis of taxation of overall net income or
overall gross income by the United States or any foreign jurisdiction or any political subdivision
of either thereof under the Laws of which such Lender is organized or has its Lending Office, and
(iii) reserve requirements contemplated by Section 3.04(c) utilized, as to Eurodollar Rate Loans,
in the determination of the Eurodollar Rate), then from time to time upon demand of such Lender
(with a copy of such demand to the Administrative Agent), the Borrowers shall pay to such Lender
such additional amounts as will compensate such Lender for such increased cost or reduction.

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

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

     (d) Failure or delay on the part of any Lender to demand compensation pursuant to this Section
shall not constitute a waiver of such Lender’s right to demand such compensation; provided that
the Borrowers shall not be required to compensate a Lender pursuant to this Section for any
increased costs or reductions incurred more than 180 days prior to the date that such Lender
notifies the Borrowers of the Change in Law giving rise to such increased costs or reductions and
of such Lender’s intention to claim compensation therefor; provided further that, if the Change
in Law giving rise to such increased costs or reductions is retroactive, then the 180-day period
referred to above shall be extended to include the period of retroactive effect thereof.

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          3.05. Compensation for Losses. Upon demand of any Lender (with a copy to the Administrative Agent) from time to time, the
Borrowers shall promptly compensate such Lender for and hold such Lender harmless from any loss,
cost or expense incurred by it as a result of:

     (a) any assignment pursuant to Section 10.15 (except pursuant to clause (iii) and clause (iv)
of the second sentence in Section 10.15, to the extent clause (iv) includes clause (iii)) or any
continuation, conversion, payment, prepayment of any Loan other than a Base Rate Loan on a day
other than the last day of the Interest Period for such Loan (whether voluntary, mandatory,
automatic, by reason of acceleration, or otherwise); or

     (b) any failure by the Borrowers (for a reason other than the failure of such Lender to make a
Loan) to prepay, borrow, continue or convert any Loan other than a Base Rate Loan on the date or in
the amount notified by the Borrowers; including any loss of anticipated profits and any loss or
expense arising from the liquidation or reemployment of funds obtained by it to maintain such Loan
or from fees payable to terminate the deposits from which such funds were obtained. The Borrowers
shall also pay any customary administrative fees charged by such Lender in connection with the
foregoing.

     For purposes of calculating amounts payable by the Borrowers to the Lenders under this Section
3.05, each Lender shall be deemed to have funded each Eurodollar Rate Loan made by it at the
Eurodollar Rate for such Loan by a matching deposit or other borrowing in the applicable offshore
Dollar interbank market for a comparable amount and for a comparable period, whether or not such
Eurodollar Rate Loan was in fact so funded.

          3.06. Matters Applicable to all Requests for Compensation. A certificate of the Administrative Agent or any Lender claiming compensation under this Article
III and setting forth the additional amount or amounts to be paid to it hereunder shall be
conclusive in the absence of manifest error. In determining such amount, the Administrative Agent
or such Lender may use any reasonable averaging and attribution methods.

          3.07. Survival. All of the Borrowers’ obligations under this Article III shall survive payment in full of all
the other Obligations.

          3.08. Mitigation Obligations. If any Lender requests compensation under Section 3.04, or if the Borrowers are required to pay
any additional amount to any Lender or any Governmental Authority for the account of any Lender
pursuant to Section 3.01, then such Lender shall use reasonable efforts to designate a different
lending office for funding or booking its Loans 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 3.01 or
Section 3.04, as the case may be, in the future and (ii) would not subject such Lender to any
un-reimbursed cost or expense and would not otherwise be disadvantageous to such Lender. The
Borrowers hereby agree to pay all reasonable costs and expenses incurred by any Lender in
connection with any such designation or assignment.

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ARTICLE IV.

CONDITIONS PRECEDENT TO BORROWING

          4.01. Conditions Precedent to Borrowing To be fulfilled by Borrowers. The obligation of each Lender to make its initial
Loan hereunder is subject to satisfaction of the following conditions precedent:

     (a) Evidence satisfactory to the Administrative Agent that a minimum of $50,000,000 has been
received by Parent from the White Deer Energy Investment, on terms reasonably satisfactory to the
Administrative Agent.

     (b) Intentionally deleted.

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

     (i) executed counterparts dated as of the Closing Date of this Agreement, the Parent
Guaranty, and the other amended Collateral Documents including, without limitation, the
amended Collateral Documents covering all assets of each Loan Party including, without
limitation, the Borrowing Base Oil and Gas Properties and related Collateral, and all other
Loan Documents sufficient in number for distribution to the Administrative Agent each Lender
and Borrowers;

     (ii) Notes executed by the Borrowers in favor of each Lender requesting a Note, each
Note in a principal amount equal to such Lender’s Term Loan Commitment, and each Note dated
as of the Closing Date;

     (iii) such certificates of resolutions or other action, incumbency certificates and/or
other certificates of officers of each Loan Party as the Administrative Agent may require to
establish the identities of and verify the authority and capacity of each officer thereof
authorized to act in connection with this Agreement and the other Loan Documents to which
such Loan Party is a party;

     (iv) such evidence as the Administrative Agent may reasonably require to verify that
each Loan Party is duly organized or formed, validly existing, and in good standing in the
jurisdiction of its organization and is qualified to engage in business in each jurisdiction
where its ownership, lease or operation of properties or the conduct of its business
requires such qualification;

     (v) a certificate signed by a Responsible Officer of each Borrower certifying (A) that
the representations and warranties contained in Article V are true and correct in all
respects on and as of the Closing Date, (B) no Default or Event of Default will exist
immediately after closing and the initial Borrowing under this Agreement, (C) all material
governmental and third party approvals necessary or, in the discretion of the Administrative
Agent, advisable in connection with the financing contemplated by this Agreement and the
continuing operation of the Borrowers and their respective Subsidiaries (other than Excluded
Subsidiaries) have been obtained and are in full force and effect, and (D) no action, suit,
investigation or proceeding is pending or, to the knowledge of such Responsible Officer,
threatened in any court or before any

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arbitrator or governmental authority by or against the
Borrowers, Parent, or any of their respective properties (other than the litigation
disclosed on the schedules attached hereto), that (x) could reasonably be expected to
materially and adversely affect the Borrowers and their respective Subsidiaries (other than
Excluded Subsidiaries), taken as a whole, or (z) seeks to affect or pertains to any
transaction contemplated hereby or the ability of the Borrowers or any Guarantor to perform
its obligations under the Loan Documents;

     (vi) a certificate of a Responsible Officer of the Borrowers (a) as to the satisfaction
of all conditions specified in this Section 4.01, and (b) providing such other financial
information as the Administrative Agent may reasonably request;

     (vii) a Request for Borrowing; and

     (viii) such other assurances, certificates, documents, consents or opinions as the
Administrative Agent reasonably may require.

     (d) An opinion from counsel to each Loan Party, in form and substance satisfactory to the
Administrative Agent and its counsel, including where advisable local counsel.

     (e) The amendment fees specified in Section 2.08 shall have been paid by the Borrowers.

     (f) The Borrowers shall have paid Attorney Costs of the Administrative Agent to the extent
invoiced prior to, or on, the Closing Date, subject to the limitation set forth in Section 10.04
hereof.

     (g) The Administrative Agent’s receipt of Collateral Documents, executed by each Borrower,
and, as regards a second Lien on the Borrowing Base Oil and Gas Properties and Bluestem Gathering
System, MidContinent, in appropriate form for recording, where necessary, together with:

     (i) such Lien searches as the Administrative Agent shall have reasonably requested, and
such amendment or termination statements or other documents as may be necessary to confirm
that the Collateral is subject to no other Liens (other than Permitted Liens) in favor of
any Persons; provided Administrative Agent may elect to obtain such Lien searches
post-closing to reflect appropriate filings have been made to take into account the
Restructure Transactions;

     (ii) funds sufficient to pay any filing or recording tax or fee in connection with any
and all UCC-1 financing statements and fees associated with the filing of the Mortgages,
including any mortgage tax;

     (iii) evidence that the Administrative Agent has been named as mortgagee or additional
insured under all policies of casualty insurance pertaining to the Collateral and all
general liability policies;

     (iv) certificates evidencing all of the issued and outstanding shares of capital stock
or membership interests pledged pursuant thereto, which certificates shall in each case be
accompanied by undated stock powers duly executed in blank, or, if any securities pledged
pursuant thereto are uncertificated securities, confirmation and evidence satisfactory to
the Administrative Agent that the security interest in such uncertificated securities has
been transferred to and perfected by the Administrative Agent for the benefit of the Lenders
in accordance with the Uniform Commercial Code; and

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     (v) evidence that all other actions reasonably necessary or, in the opinion of the
Administrative Agent or the Lenders, desirable to perfect and protect the first priority
Lien created by the Collateral Documents (except to the extent otherwise permitted
hereunder), and to enhance the Administrative Agent’s ability to preserve and protect its
interests in and access to the Collateral, have been taken.

     (h) The Administrative Agent’s receipt (with sufficient copies for all Lenders) of the
certificate of formation of each Borrower, together with all amendments, certified by an
appropriate governmental officer in its jurisdiction of organization, as well as any other information
required by Section 326 of the USA Patriot Act or necessary for the Administrative Agent or any
Lender to verify the identity of Borrowers as required by Section 326 of the USA Patriot Act; and .

     (i) payment by the Borrowers of the Closing Date Prepayment Amount; and

     (j) closing of the Borrowing Base Credit Facility.

The Administrative Agent shall notify Borrowers and the Lenders of the Closing Date, and such
notice shall be conclusive and binding.

     B. Other Conditions Precedent:

     (a) Termination of PESC’s Guaranty of the Prior Midstream Credit Agreement; and

     (b) Amendment of the Guaranty previously executed by Parent relating to the Prior Midstream
Credit Agreement.

ARTICLE V.

REPRESENTATIONS AND WARRANTIES

     Each of the Borrowers represent and warrant to the Administrative Agent and the Lenders that:

          5.01. Existence; Qualification and Power; Compliance with Laws.
As of the Closing Date, PESC is a direct wholly-owned subsidiary of Parent, and KPC Pipeline,
LLC and MidContinent are each direct wholly—owned subsidiaries of PESC. Each Loan Party (a) is a
corporation or limited liability company duly organized or formed, validly existing and in good
standing under the Laws of the jurisdiction of its incorporation or organization, (b) has all
requisite power and authority and all governmental licenses, authorizations, consents and approvals
to own its assets, carry on its business and to execute, deliver, and perform its obligations under
the Loan Documents to which it is a party, (c) is duly qualified and is licensed and in good
standing under the Laws of each jurisdiction where its ownership, lease or operation of properties
or the conduct of its business requires such qualification or license, except in each case referred
to in clause (a), (b) or (c), to the extent that failure to do so could not reasonably be expected
to have a Material Adverse Effect, (d) is not a Person (I) whose property or interest in property
is blocked or subject to blocking pursuant to Section 1 of Executive Order 13224 of September 23,
2001 Blocking Property and Prohibiting Transactions With Persons Who Commit, Threaten to Commit, or
Support Terrorism (66 Fed. Reg. 49079 (2001)), or (II) who engages in any dealings or transactions
prohibited by Section 2 of such executive order, or is otherwise associated with any such Person in
any manner violative of Section 2, or (III) on the list of Specially Designated Nationals and
Blocked Persons or subject to the limitations or prohibitions under any other U.S. Department of
Treasury’s Office of Foreign Assets Control regulation or executive order, and (e) is in
compliance, in all material respects, with (A) the Trading with the Enemy Act, as amended, and each
of

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the foreign assets control regulations of the United States Treasury Department (31 CFR,
Subtitle B, Chapter V, as amended) and any other enabling legislation or executive order relating
thereto, and (B) the Uniting And Strengthening America By Providing Appropriate Tools Required To
Intercept And Obstruct Terrorism (USA Patriot Act of 2001). No part of the proceeds of the Loans
will be used, directly or indirectly, for any payments to any governmental official or employee,
political party, official of a political party, candidate for political office, or anyone else
acting in an official capacity, in order to
obtain, retain or direct business or obtain any improper advantage, in violation of the United
States Foreign Corrupt Practices Act of 1977, as amended.

          5.02. Authorization; No Contravention. The execution, delivery and performance by each Loan Party of each Loan Document to which such
Person is party, have been duly authorized by all necessary corporate or other organizational
action, and do not and will not: (a) contravene the terms of any of such Person’s Organization
Documents; (b) conflict with or result in any breach or contravention of, or the creation of any
Lien under, any material Contractual Obligation (other than the Liens created under the Loan
Documents) to which such Person is a party or any order, injunction, writ or decree of any
Governmental Authority to which such Person or its property is subject; or (c) violate any Law
except in each case referred to in clause (b) or (c), to the extent that any such conflict, breach,
contravention, creation or violation could not reasonably be expected to have a Material Adverse
Effect.

          5.03. Governmental Authorization. No approval, consent, exemption, authorization, or other action by, or notice to, or filing
with, any Governmental Authority, except for the filings in connection with the granting or
continuation of security interests pursuant to the Collateral Documents or filings to maintain the
existence, foreign qualification and good standing of the Loan Parties, is necessary or required in
connection with the execution, delivery or performance by any Loan Party of this Agreement or any
other Loan Document.

          5.04. Binding Effect. This Agreement has been, and each other Loan Document, when delivered hereunder, will have been
duly executed and delivered by each Loan Party that is party thereto. This Agreement constitutes,
and each other Loan Document when so delivered will constitute, a legal, valid and binding
obligation of such Loan Party, enforceable against each Loan Party that is party thereto 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.

          5.05. Financial Statements; No Material Adverse Effect.

     (a) The financial statements delivered to the Lenders pursuant to Sections 6.01(a) and (b) for
periods commencing with the period beginning January 1, 2010 have been, in the case of financial
statements delivered prior to the Closing Date, and will be, with respect to hereafter delivered
financial statements, prepared in accordance with GAAP consistently applied throughout the period
covered thereby, except as otherwise expressly noted therein. Such financial statements will: (i)
fairly present in all material respects the financial condition of Parent and its consolidated
Subsidiaries as of the date thereof and their results of operations for the period covered thereby
in accordance in all material respects with GAAP consistently applied throughout the period covered
thereby, except as otherwise expressly noted therein, subject in the case of quarterly financial
statements delivered pursuant to Section 6.01(b) to year-end audit adjustments and the absence of
footnotes; and (ii) show all material indebtedness and other liabilities of Parent and its
consolidated Subsidiaries as of the date thereof required to be reflected therein in accordance
with GAAP consistently applied throughout the period covered thereby.

     (b) Since December 31, 2009, there has been no event or circumstance that has or could
reasonably be expected to have a Material Adverse Effect.

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          5.06. Litigation. Except for actions, suits, proceedings, claims and disputes arising out of or related to the
Misappropriation Transaction or as disclosed on Schedule 5.06, there are no actions, suits,
proceedings, claims or disputes pending or, to the knowledge of Borrowers, threatened or
contemplated in writing, at law, in equity, in arbitration or before any Governmental Authority, by
or against Borrowers or any Borrower Affiliate or against any of their properties or revenues which
(a) seek to affect or pertain to this Agreement or any other Loan Document, the borrowing of Loans
or the use of the proceeds thereof, or (b) could reasonably be expected to have a Material Adverse
Effect.

          5.07. No Default. Neither the Borrowers nor any Borrower Affiliate is in default under or with respect to any
Contractual Obligation which could be reasonably expected to have a Material Adverse Effect. No
Default or Event of Default has occurred and is continuing or would result from the consummation of
the transactions contemplated by this Agreement or any other Loan Document. There is no default
under any Material Agreement, which could reasonably be expected to have a Material Adverse Effect.

          5.08. Title; Liens; Priority of Liens. Each Loan Party (a) has Marketable Title in fee simple to, or valid leasehold interests in,
all real property necessary or used in the ordinary conduct of its business, except for such
defects in title as could not, individually or in the aggregate, reasonably be expected to have a
Material Adverse Effect, (b) owns the personal property granted by it as Collateral under the
Collateral Documents, free and clear of any and all Liens in favor of third parties other than
Permitted Liens, and (c) has Marketable Title to the working and net revenue interests in the
Borrowing Base Oil and Gas Properties as reflected on the Mortgage encumbering such Borrowing Base
Oil and Gas Properties, subject to the limitations and qualifications set forth in such Mortgage.
Except as reflected on the Mortgage encumbering such Borrowing Base Oil and Gas Properties, all
such shares of production which each Borrower and each other applicable Loan Party is entitled to
receive, and shares of expenses which each Borrower and other applicable Loan Party is obligated to
bear, are not subject to change, except for changes attributable to future elections by each such
Borrower and each other applicable Loan Party not to participate in operations proposed pursuant to
customary forms of applicable joint operating agreements, and except for changes attributable to
changes in participating areas under any federal units wherein participating areas may be formed,
enlarged or contracted in accordance with the rules and regulations of the applicable Governmental
Authority. Upon the proper filing of UCC financing statements, the recording of the Mortgages, and
the taking of the other actions required by the Administrative Agent, the Liens granted by
Borrowers in property pursuant to the Collateral Documents will constitute valid and enforceable
first, prior and perfected Liens on the Collateral constituting the KPC Pipeline in favor of the
Administrative Agent, for the ratable benefit of the Lenders, subject to Permitted Liens and, in
the case of Collateral consisting of the Borrowing Base Oil and Gas Properties and the Bluestem
Gathering System, second perfected Liens in favor of the Administrative Agent, for the ratable
benefit of the Lenders, subject to the Permitted Liens. The property of the Loan Parties is
subject to no Liens, other than Permitted Liens.

          5.09. Environmental Compliance. The Borrowers have reasonably concluded that (a) there are no claims alleging potential
liability under or responsibility for violation of any Environmental Law except any such claims
that could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, (b)
there is no environmental condition or circumstance, such as the presence or Release of any
Hazardous Substance, on any property owned, operated or used by any Borrower or any Borrower
Affiliate that could reasonably be expected to have a Material Adverse Effect, and (c) there is no
violation by any Borrower or any Borrower Affiliate of any Environmental Law, except for such
violations as could not, individually or in the aggregate, reasonably be expected to have a
Material Adverse Effect.

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          5.10. Insurance. The properties of the Borrowers and the Borrower Affiliates are insured with financially sound
and reputable insurance companies not Affiliates of the Borrowers, in such amounts, with such
deductibles and covering such risks as are consistent with past practice.

          5.11. Taxes. The Borrowers and the Borrower Affiliates have filed all federal, state and other material tax
returns and reports required to be filed, and have paid all federal, state and other material
taxes, assessments, fees and other governmental charges levied or imposed upon them or their
properties, income or assets otherwise due and payable, except those which are being contested in
good faith by appropriate proceedings and for which adequate reserves have been provided in
accordance with GAAP or to the extent that the failure to do so could not reasonably be expected to
result in a Material Adverse Effect. To the knowledge of the Borrowers, there is no proposed tax
assessment against the Borrowers or any Borrower Affiliate or any of their respective Subsidiaries
that would, if made, have a Material Adverse Effect.

          5.12. ERISA Compliance. The representations and warranties set forth in this Section 5.12 shall apply only if any
Borrower or an ERISA Affiliate establishes a Plan.

     (a) Each Plan is in compliance in all material respects with the applicable provisions of
ERISA, the Code and other federal or state Laws, except to the extent that noncompliance could not
reasonably be expected to have a Material Adverse Effect and except to the extent disclosed on
Schedule 5.12. Each Plan that is intended to qualify under Section 401(a) of the Code has received
a favorable determination letter from the IRS, an application for such a letter is currently being
processed by the IRS with respect thereto or the Plan utilizes a prototype form plan document and
the prototype plan’s sponsor has received a favorable opinion or advisory letter from the IRS upon
which such Borrower or such ERISA Affiliate may rely, and, to the knowledge of the Borrowers,
nothing has occurred which would prevent, or cause the loss of, such qualification, except to the
extent that nonqualification could not reasonably be expected to have a Material Adverse Effect and
except to the extent disclosed on Schedule 5.12. Any such Borrower and each ERISA Affiliate have
made all required contributions to each Plan subject to Section 412 of the Code, and no application
for a funding waiver or an extension of any amortization period pursuant to Section 412 of the Code
has been made with respect to any Plan, except to the extent that nonpayment could not reasonably
be expected to have a Material Adverse Effect except to the extent disclosed on Schedule 5.12.

     (b) There are no pending or, to the knowledge of the Borrowers, threatened claims, actions or
lawsuits, or action by any Governmental Authority, with respect to any Plan that could reasonably
be expected to have a Material Adverse Effect or except to the extent disclosed on Schedule 5.12.
Neither any Borrower nor any ERISA Affiliate has engaged in or knowingly permitted to occur and, to
each Borrowers’ knowledge, no other party has engaged in or permitted to occur any prohibited
transaction or violation of the fiduciary responsibility rules with respect to any Plan that has resulted or
could reasonably be expected to result in a Material Adverse Effect or except to the extent
disclosed on Schedule 5.12.

     (c) (i) No ERISA Event has occurred or is reasonably expected to occur that could reasonably
be expected to have a Material Adverse Effect; (ii) no Pension Plan has any Unfunded Pension
Liability that (when aggregated with any other Unfunded Pension Liability) has resulted or could
reasonably be expected to result in a Material Adverse Effect; and (iii) neither any Borrower nor
any ERISA Affiliate has engaged in a transaction that could be subject to Sections 4069 or 4212(c)
of ERISA that could reasonably be expected to have a Material Adverse Effect.

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          5.13. Subsidiaries and other Investments. Except as set forth on Schedule 5.13, as of the Closing Date, the Borrowers have no Subsidiaries
and have no equity Investment in any other Person.

          5.14. Margin Regulations; Investment Company Act; Use of Proceeds.

     (a) Neither any Borrower nor any Borrower Affiliate is engaged nor will it engage, principally
or as one of its important activities, in the business of purchasing or carrying margin stock
(within the meaning of Regulation U issued by the Board), or extending credit for the purpose of
purchasing or carrying margin stock.

     (b) Neither any Borrower nor any Borrower Affiliate, no Person controlling any Borrower or any
Borrower Affiliate, or any Subsidiary thereof is or is required to be registered as an “investment
company” under the Investment Company Act of 1940.

     (c) The Borrowers will use all proceeds of the Borrowing in the manner set forth in Section
6.12.

          5.15. Disclosure; No Material Misstatements. All material factual information furnished in connection with this Agreement by or on behalf of
any Borrower in writing to the Administrative Agent or any Lender for purposes of or in connection
with this Agreement or any transaction contemplated hereby, as modified or supplemented by other
information so furnished, is true and accurate in all material respects, and such information is
not, or shall not be, as the case may be, incomplete by omitting to state any material fact
necessary to make such information, in light of the circumstances under which it was made, not
misleading. All estimates and projections delivered to the Administrative Agent or any Lender in
connection with this Agreement were based upon information that was available at the time such
estimates or projections were prepared and believed to be correct and upon assumptions believed to
be reasonable at that time; however, the Borrowers do not warrant that such estimates and
projections will ultimately prove to have been accurate.

          5.16. Location of Business and Offices. Each Loan Party’s (i) jurisdiction of organization, (ii) organizational identification number,
(iii) correct legal name, and (iv) principal place of business and chief executive offices are as
set forth in the Security Agreement from such Loan Party.

          5.17. Compliance with Laws. Except with respect to Environmental Laws and Laws relating to taxes and employee benefits
(which are covered by Sections 5.09, 5.11 and 5.12, respectively), and except as a consequence of
or related to the Misappropriation Transaction, neither any Borrower nor any Borrower Affiliate is
in violation of any Laws, other than such violations which could not, individually or collectively,
reasonably be expected to have a Material Adverse Effect. Neither any Borrower nor any Borrower
Affiliate has received notice alleging any noncompliance with any Laws, except for (i) such
noncompliance which no longer exists, (ii) alleged noncompliance arising out of or related to the
Misappropriation Transaction, or (iii) noncompliance which could not reasonably be expected to have
a Material Adverse Effect.

          5.18. Third Party Approvals. No approval, consent, exemption, authorization, or other action by, or notice to, or filing
with, any party that is not a party to this Agreement is necessary or required in connection with
the execution, delivery or performance by any Loan Party of this Agreement or any other Loan
Document except where obtained or where the failure to receive such approval, consent, exemption,
authorization, or the failure to do such other action by, or provide such notice could not
reasonably be expected to have a Material Adverse Effect; and provided, however, that the transfer
of

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rights in certain Collateral consisting of rights under contracts to a foreclosure purchaser
may, in some instances, require the consent of third parties who have rights in such Collateral.

          5.19. Solvency. The Borrowers on a consolidated basis are not “insolvent” as such term is used and defined in
(i) the United States Bankruptcy Code or (ii) the New York Uniform Fraudulent Transfer Act.

          5.20. Oil and Gas Leases. The Leases which constitute any part of the Borrowing Base Oil and Gas Properties are in full
force and effect as to those portions thereof that comprise the Borrowing Base Oil and Gas
Properties, except to the extent the failure to be in full force and effect could not reasonably be
expected to have a Material Adverse Effect.

          5.21. Oil and Gas Contracts. Except (a) as set out on Schedule 5.21 attached hereto, and (b) as may subsequently occur and be
disclosed by Borrowers in the next Compliance Certificate delivered by Borrowers after such
occurrence, neither any Borrower nor any other Loan Party is obligated, by virtue of any prepayment
under any contract providing for the sale by any Borrower or any other Loan Party of Hydrocarbons
which contains a “take-or-pay” clause or under any similar prepayment agreement or arrangement,
including, “gas balancing agreements”, to deliver a material amount of Hydrocarbons produced from
the Borrowing Base Oil and Gas Properties at some future time without then or thereafter receiving
full payment therefor (i.e., in the case of oil, not in excess of sixty days, and in the case of
gas, not in excess of ninety days). Except (a) as set out on Schedule 5.21 attached hereto, and
(b) as may subsequently occur and be disclosed by Borrowers in the next Compliance Certificate
delivered by Borrowers after such occurrence, the Borrowing Base Oil and Gas Properties are not
subject to any contractual or other arrangement for the sale of crude oil which cannot be canceled
on ninety days’ (or less) notice, unless the price provided for therein is equal to or greater than
the prevailing market price in the vicinity. To the best of the Borrowers’ knowledge, the Borrowing
Base Oil and Gas Properties are not subject to any regulatory refund obligation and no facts exist
which might cause the same to be imposed.

          5.22. Producing Wells. All producing wells that constitute part of the Borrowing Base Oil and Gas Properties (a) have
been, during all times that any such wells were operated by any Borrower or any Borrower Affiliate,
and (b) to the knowledge of Borrowers, have been at all other times, drilled, operated and produced
in conformity with all applicable Laws, are subject to no penalties on account of past production,
and are bottomed under and are producing from, and the well bores are wholly within, the Borrowing
Base Oil and Gas Properties, or on Oil and Gas Properties which have been pooled, unitized or
communitized with the Borrowing Base Oil and Gas Properties, except to the extent that any
noncompliance with the representations set out in this Section 5.22 would not have a Material
Adverse Effect.

          5.23. Purchasers of Production. The names and business addresses of the Persons who (a) have purchased any of Borrowers’ or any
other Loan Party’s interests in oil and gas produced from the Borrowing Base Oil and Gas Properties
during the six calendar months preceding the Closing Date, and (b) as of the Closing Date, are
considered by Borrowers or other Loan Party to be potential future purchasers of any Borrower’s
interest in oil and gas produced from the Borrowing Base Oil and Gas Properties, are identified on
Schedule 5.23 attached hereto.

          5.24. Swap Contracts. Schedule 5.24, as of the date hereof, sets forth, a true and complete list of all Swap Contracts
of each Borrower, the material terms thereof (including the type, term, effective date, termination
date and notional amounts or volumes), the net mark to market value thereof, all credit support
agreements relating thereto (including any margin required or supplied) and the counterparty to
each such agreement.

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ARTICLE VI.

AFFIRMATIVE COVENANTS

     So long as any Loans or other Obligation (other than contingent indemnity obligations and
obligations under Lender Hedging Agreements) shall remain unpaid or unsatisfied, the Borrowers
shall, and shall cause each of their respective Subsidiaries (other than the Excluded Subsidiaries)
to:

          6.01. Financial Statements. Deliver to the Administrative Agent, in form and detail reasonably satisfactory to the
Administrative Agent and the Required Lenders (and the Administrative Agent shall deliver to the
Lenders):

     (a) as soon as available, but in any event within 90 days after the end of each fiscal year of
Parent (beginning with the 2010 fiscal year), consolidated balance sheets of Parent and its
Subsidiaries as at the end of such fiscal year, and the related statements of income and cash flows
for such fiscal year and consolidating financial statements of Parent and its Subsidiaries at the
end of such fiscal year (provided, that as long as Parent is a public company, such financial
statements shall be required to be furnished no later than the date that Parent is required to
timely file its annual report on Form 10-K with the Securities Exchange Commission (taking into
account any extension of time available under Rule 12b-25 under the Securities Exchange Act of
1934)), setting forth in each case in comparative form the figures for the previous fiscal year of
Parent, if any, all in reasonable detail, audited and accompanied by a report and opinion of UHY
LLP or other nationally recognized firm of independent certified public accountants reasonably
acceptable to the Required Lenders, which report and opinion shall be prepared in accordance with
GAAP (except as otherwise noted herein) and, as it pertains to the Borrowers and each of their
respective Subsidiaries (other than the Excluded Subsidiaries), shall not be subject to any
qualifications or exceptions as to the scope of the audit nor to any qualifications and exceptions
not reasonably acceptable to the Required Lenders;

     (b) as soon as available, but in any event within 45 days after the end of each of the first
three fiscal quarters of each fiscal year of Parent, an unaudited consolidated balance sheet of
Parent and its Subsidiaries as at the end of such fiscal quarter, and the related statements of
income and cash flows for such fiscal quarter and for the portion of Parent’s fiscal year then
ended and unaudited consolidating financial statements of Parent and its Subsidiaries (provided,
that as long as Parent continue to be a public company, such financial statements shall be required
to be furnished no later than the date that Parent is required to timely file its quarterly report
on Form 10-Q with the Securities Exchange Commission (taking into account any extension of time
available under Rule 12b-25 under the Securities Exchange Act of 1934)), setting forth in each case
in comparative form the figures for the corresponding fiscal quarter of the previous fiscal year of
Parent and the corresponding portion of the previous fiscal year of Parent, if any, all in
reasonable detail and certified by a Responsible Officer of Parent, as fairly presenting in all
material respects the financial condition, results of operations and cash flows of Parent and its
Subsidiaries in accordance with GAAP (except as otherwise noted herein), subject only to normal
year-end audit adjustments and the absence of footnotes; and

     (c) on a monthly basis, on or before the thirtieth (30th) day after the end of each month
except as to the end of each month that is also at the end of each quarter, in which case, on or
before the forty-fifth (45th) day after the end of such quarter, until the reporting package is
delivered on or before May 30, 2011, for the month ending April 30, 2011, PESC shall deliver to
Administrative Agent, Parent’s monthly internal financial reporting package, which includes (i) an
unaudited income statement, balance sheet and capital expenditures on a GAAP basis relating to the
assets in Appalachia (including the Marcellus Assets), the assets in the Cherokee Basin (including
the Oil and Gas Properties located there and the Bluestem Gathering System), the Central Oklahoma
oil properties, and the KPC Pipeline; (ii) a detail of general and administrative expenses; (iii) a
summary of open derivative positions, and (iv) with

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respect to the financial reporting package
delivered at the end of each month that is also at the end of each quarter, press release tables
and non-GAAP reconciliations.

          6.02. Certificates; Other Information. Deliver to the Administrative Agent, in form and detail reasonably satisfactory to the
Administrative Agent and the Required Lenders:

     (a) concurrently with the delivery of the financial statements referred to in Sections 6.01(a)
and (b), a duly completed Compliance Certificate in form of Exhibit C signed by a Responsible
Officer of Parent;

     (b) promptly upon request, copies of each annual report, proxy or financial statement or other
report or written communication sent to the equity owners of Parent, and copies of all annual,
regular, periodic and special reports and registration statements which Parent may file or be
required to file with the Securities and Exchange Commission under Section 13 or 15(d) of the
Securities Exchange Act of 1934, and not otherwise required to be delivered to the Administrative
Agent pursuant hereto;

     (c) copies of Material Agreements and any material amendment thereto; and

     (d) promptly, such additional information (that is in the possession of the Borrowers or that
may be readily produced by the Borrowers without undue effort or expense) regarding the business,
financial or corporate affairs of any Loan Party as the Administrative Agent, at the request of any
Lender, may from time to time reasonably request, which information may include copies of any detailed
audit reports, if any, management letters or recommendations submitted to the board of directors or
managers (or the audit committee of the board of directors or managers) of Parent by independent
accountants in connection with the accounts or books of Parent or any of its Subsidiaries, or any
audit of any of them.

          6.03. Notices. Promptly notify the Administrative Agent:

     (a) of the occurrence of any Default or Event of Default, as soon as possible but in any event
within ten (10) days after the Borrowers have knowledge thereof;

     (b) of any matter that has resulted or could reasonably be expected to result in a Material
Adverse Effect, including any of the following events if such has resulted or could reasonably be
expected to result in a Material Adverse Effect: (i) breach or non-performance of, or any default
under, a Contractual Obligation of any Borrower; (ii) any litigation, investigation by or required
by a Governmental Authority, proceeding or suspension of licenses or permits between any Borrower
and any Governmental Authority (other than any litigation disclosed on any schedule hereto); and
(iii) any dispute, litigation, investigation or proceeding involving any Borrower related to any
Environmental Law;

     (c) of any litigation, investigation or proceeding known to and affecting any Borrower or any
Borrower Affiliate (other than any litigation disclosed on any schedule hereto) in which (i) the
amount involved exceeds (individually or collectively) $1,000,000, or (ii) injunctive relief or
other relief is sought, which could be reasonably expected to have a Material Adverse Effect;

     (d) of any material change in accounting policies or financial reporting practices by Parent
or the Borrowers; and

     (e) by means of written notice (except in the case of the Restructure Transactions) at least
ten (10) days before any proposed (A) relocation of any Loan Party’s principal place of business or
chief executive office, (B) change of any Loan Party’s name, identity, or corporate, partnership or
limited liability company structure, (C) relocation of the place where the books and records
concerning a Loan

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Party’s accounts are kept, (D) relocation of any Loan Party’s Collateral (other
than delivery of inventory in the ordinary course of business to third party contractors for
processing and sales of inventory in the ordinary course of business or as permitted by any Loan
Document) to a location not described on Annex A to the Security Agreement to which such Loan Party
is a party, and (E) change of any Loan Party’s jurisdiction of organization or organizational
identification number, as applicable.

     Each notice pursuant to this Section shall be accompanied by a statement of a Responsible
Officer of the notifying Borrower that is the relevant Loan Party or whose Subsidiary is the
relevant Loan Party, setting forth details of the occurrence referred to therein and stating what
action such Borrower has taken and proposes to take with respect thereto. Each notice pursuant to
Section 6.03(a) shall describe with particularity any and all provisions of this Agreement or other
Loan Document that have been breached.

          6.04. Payment of Obligations. Pay and discharge as the same shall become due and payable (a) the Obligations, (b) all tax
liabilities, assessments and governmental charges or levies upon it or its properties or assets and
(c) all lawful claims which, if unpaid, would by law become a Lien upon its property; except, in
the case of clause (b) or (c), where (x) the validity thereof are being contested in good faith by appropriate proceedings and (y)
adequate reserves in accordance with GAAP are being maintained by the appropriate Loan Party.

          6.05. Preservation of Existence, Etc. (a) Preserve, renew and maintain in full force and effect its legal existence and good
standing under the Laws of the jurisdiction of its organization, except in a transaction permitted
by Sections 7.06 and 7.07 and the Restructure Transactions, and (b) take all reasonable action to
maintain all rights, privileges, permits, licenses and franchises material to the conduct of its
business, except in a transaction permitted by Sections 7.06 and 7.07, except where the failure to
do so in each case could not reasonably be expected to have a Material Adverse Effect.

          6.06. Maintenance of Assets and Business. (a) Keep all property material to the conduct of its business in good working order and
condition (ordinary wear and tear excepted) and make all necessary repairs thereto and replacements
thereof; provided that no item of operating equipment need be repaired or replaced if the Borrowers
shall determine in good faith that such action is not necessary or desirable for the continued
efficient and profitable operation of the business of the Borrowers and their respective
Subsidiaries (other than the Excluded Subsidiaries); (b) do all things necessary to obtain, renew,
extend, and continue in effect all Authorizations which may at any time and from time to time be
necessary for the operation of its business in compliance with applicable Law, except where the
failure to so maintain, renew, extend, or continue in effect could not reasonably be expected to
have a Material Adverse Effect; and (c) use the standard of care typical in the industry in the
operation and maintenance of its facilities.

          6.07. Maintenance of Insurance. (a) Maintain with responsible insurance companies insurance with respect to its properties and
business (including business interruption insurance) against such casualties and contingencies and
of such types and in such amounts as is customary in the case of similar businesses and which is
reasonably acceptable to the Administrative Agent and will (i) furnish to the Administrative Agent
on each anniversary of the Closing Date a certificate or certificates of insurance from the
applicable insurance company evidencing the existence of insurance required to be maintained by
this Agreement and the other Loan Documents and evidencing that Administrative Agent is listed as
mortgagee on property insurance as to all properties serving as Collateral hereto and the
Administrative Agent and Lenders are additional insureds on liability insurance, and (ii) upon
request of the Administrative Agent, furnish to each Lender at reasonable intervals a certificate
of an Authorized Officer of the Borrowers setting forth the nature and extent of all insurance
maintained in accordance with this Section.

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     (b) (i) Except as the Administrative Agent may otherwise consent to in writing, Borrowers
will, and will cause each of their respective Subsidiaries to, forthwith upon receipt, transmit and
deliver to the Administrative Agent, in the form received, all cash, checks, drafts, chattel paper
and other instruments or writings for the payment of money (properly endorsed, where required, so
that such items may be collected by the Administrative Agent) which may be received by the
Borrowers at any time in full or partial payment of amounts due under any insurance policy in an
amount in excess of $1,000,000. Except as the Administrative Agent may otherwise consent in
writing, any such items which may be received by the Borrowers in excess of $1,000,000 will not be
commingled with any other of its funds or property, but will be held separate and apart from its
own funds or property and upon express trust for the Administrative Agent until delivery is made to
the Administrative Agent.

          6.08. Compliance with Laws and Contractual Obligations. (a) Comply in all material respects with the requirements of all Laws (including Environmental
Laws) applicable to it or to its business or property, except in such instances in which (i) such
requirement of Law is being contested in good faith or a bona fide dispute exists with respect
thereto, (ii) the failure to comply therewith arose out of or was related to the Misappropriation
Transaction or (iii) the failure to comply therewith could not be reasonably expected to have a
Material Adverse Effect; and (b) comply with all Contractual Obligations, except if the failure to
comply therewith could not be reasonably expected to have a Material Adverse Effect.

          6.09. Books and Records. Maintain (a) proper books of record and account, in which full, true and correct entries in
conformity with GAAP consistently applied (except as otherwise noted herein) shall be made of all
financial transactions and matters involving its assets and business, and (b) maintain such books
of record and account in material conformity with all applicable requirements of any Governmental
Authority having regulatory jurisdiction over it.

          6.10. Inspection Rights. Permit representatives and independent contractors of the Administrative Agent and each Lender
to visit and inspect any of its properties, to examine its corporate, financial and operating
records, and make copies thereof or abstracts therefrom, and to discuss its affairs, finances and
accounts with its officers and independent public accountants, and make all financial records
available for inspection at such reasonable times during normal business hours and as often as may
be reasonably desired, upon reasonable advance notice to the Borrowers; provided, however, that
when an Event of Default exists the Administrative Agent or any Lender (or any of their respective
representatives or independent contractors) may do any of the foregoing at the expense of the
Borrowers at any time during normal business hours and without advance notice. Additionally,
Administrative Agent may, at the request of the Required Lenders, conduct or cause to be conducted
a commercial field examination of the Borrowers’ and their respective Subsidiaries’ (other than the
Excluded Subsidiaries) financial and accounting records and Borrowers shall pay the cost of such
commercial field examination; provided so long as no Event of Default shall exist and be
continuing, no more than one such commercial field examination shall be undertaken at the
Borrowers’ expense during any period of twelve consecutive months and the Borrowers shall not be
obligated to pay more than $20,000 for any such annual commercial field examination.

          6.11. Compliance with ERISA. With respect to each Plan maintained by a Borrower or an ERISA Affiliate, do each of the
following: (a) maintain each Plan in compliance in all material respects with the applicable
provisions of ERISA, the
Code and other federal or state Laws, (b) cause each Plan which is qualified under Section 401(a)
of the Code to maintain such qualification; and (c) make all required contributions to any Plan
subject to Section 412 of the Code, except to the extent that noncompliance, with respect to each
event listed above, could not be reasonably expected to have a Material Adverse Effect and except
to the extent disclosed on Schedule 5.12.

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          6.12. Use of Proceeds. Use proceeds of the Loans to renew, rearrange and extend the Indebtedness owing under the Prior
Midstream Credit Agreement.

          6.13. Material Agreements. Enforce the obligations of parties to the Material Agreements, except where such failure could
not reasonably be expected to have a Material Adverse Effect.

          6.14. Guaranties; New Subsidiaries’ Collateral Documents. As an inducement to the Administrative Agent and Lenders to enter into this Agreement, cause
Parent and each Subsidiary of the Borrowers (other than the Excluded Subsidiaries and MidContinent
and its Subsidiaries whether currently existing or hereafter formed) to execute and deliver to
Administrative Agent a Guaranty executed by the Parent and Borrowers’ Subsidiaries (other than the
Excluded Subsidiaries and MidContinent and its Subsidiaries whether currently existing or hereafter
formed), each in form and substance reasonably satisfactory to the Administrative Agent, providing
for the guaranty of payment and performance of the Obligations. In addition, within thirty (30)
days after the formation or acquisition of any Subsidiary of any Borrower after the date hereof
(other than the Excluded Subsidiaries and any Subsidiary of MidContinent or STP hereafter formed),
cause such Subsidiary to execute and deliver to the Administrative Agent (a) a Guaranty in form and
substance reasonably satisfactory to the Administrative Agent, providing for the guaranty of
payment and performance of the Obligations, (b) Collateral Documents in form and substance
reasonably satisfactory to the Administrative Agent creating Liens in substantially all of the
property of such Subsidiary and in the equity interests in such Subsidiary, subject to Permitted
Liens, and (c) certified copies of such Subsidiary’s Organization Documents and opinions of counsel
with respect to such Subsidiary and such Guaranty, and (d) such other documents and instruments as
may be required with respect to such Subsidiary pursuant to Section 6.15.

          6.15. Further Assurances; Additional Collateral. (a) The Borrowers shall cause each of their respective Subsidiaries (other than the Excluded
Subsidiaries) to take such actions and to execute and deliver such documents and instruments as the
Administrative Agent shall require to ensure that the Administrative Agent or Collateral Agent on
behalf of the Secured Parties shall, at all times, have received currently effective duly executed
Loan Documents granting Liens and security interests in substantially all of the property of the
Borrowers and their Subsidiaries (other than (x) the Three Little Pipes (which because of their
minimal value have not been, and are not contemplated to be, subjected to a Lien), (y) the limited
liability company membership interest in Eastern and (z) the Excluded Subsidiaries), including all
capital stock, partnership, joint venture, membership interests, or other equity interests except
for (i) any motor vehicle or other equipment that has a certificate of title and a fair market
value of less than $50,000, (ii) Excluded Assets, and (iii) those properties and assets as to which
the Administrative Agent shall determine in its sole discretion (in consultation with the
Borrowers) that the costs of obtaining such security interest are excessive in relation to the
value of the security to be afforded thereby; provided, that with respect to rights of way,
easements, leases or other similar property interests acquired by any Loan Party after the
date hereof relating to the KPC Pipeline or to the Bluestem Gathering System or other gathering
system or pipeline hereafter acquired, the relevant Loan Party shall promptly grant to the
Collateral Agent as additional security for the Obligations, within 60 days after each June
30th and December 31st, a security interest in and Mortgage on each right of
way, easement, lease or other similar property interest acquired by it during the six month period
ended on such June 30 or December 31, as applicable, and not constituting an Excluded Asset.

     (b) In connection with the actions required pursuant to the foregoing subsection (a), the
Borrowers shall cause each of their respective Subsidiaries (other than the Excluded Subsidiaries)
to execute and deliver such stock certificates, blank stock powers, evidence of corporate
authorization, opinions of counsel, current valuations, evidence of title, and other documents, and
shall use commercially reasonable efforts to obtain third party consents, as shall be reasonably
requested by the

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Administrative Agent, in each case in form and substance reasonably satisfactory to the
Administrative Agent.

     (c) Except for the second priority Liens in favor of the Administrative or Collateral Agent
for the benefit of the Lenders on the Borrowing Base Oil and Gas Properties and Bluestem Gathering
System, the Liens required by this Section 6.15 shall be first priority Liens in favor of the
Administrative Agent or Collateral Agent for the benefit of the Secured Parties, subject to no
other Liens except Permitted Liens of the type described in Section 7.01. The Liens required by
this Section 6.15 shall be perfected Liens in favor of the Administrative Agent or Collateral Agent
for the benefit of the Secured Parties in all collateral to the extent perfection has or will occur
by (i) the filing of a Uniform Commercial Code financing statement in the relevant jurisdiction,
(ii) filing or recording a mortgage in real property records of the county in which such real
property or fixtures is located, (iii) possession or control or (iv) the notation on a certificate
of title. If the Administrative Agent shall determine that, as of any date, the Borrowers shall
have failed to comply with this Section 6.15, the Administrative Agent may (and at the direction of
the Required Lenders, shall) notify the Borrowers in writing of such failure and, within 30 days
from and after receipt of such written notice by the Borrowers, the Borrowers shall execute and
deliver to the Administrative Agent supplemental or additional Loan Documents, in form and
substance satisfactory to the Administrative Agent and its counsel, securing payment of the Notes
and the other Obligations and covering additional assets and properties not then encumbered by any
Loan Documents (together with such other information, as may be requested by the Administrative
Agent, each of which shall be in form and substance reasonably satisfactory to the Administrative
Agent) such that the Administrative Agent shall have received currently effective duly executed and
perfected Collateral Documents encumbering substantially all of the assets of the Borrowers and
their respective Subsidiaries (other than the Excluded Subsidiaries) as required by Section
6.15(a).

     (d) If the Borrowers discover, or Administrative Agent notifies Borrowers of, any title defect
in the easements and/or rights-of-way comprising the KPC Pipeline that would have, individually or
in the aggregate, a Material Adverse Effect, the Borrowers will take commercially reasonable
actions to cure such title defects.

          6.16. Fiscal Year. The Borrowers shall maintain its December 31 fiscal year end.

ARTICLE VII.

NEGATIVE COVENANTS

     So long as any Loan or other Obligations (other than contingent indemnity obligations and
obligations under Lender Hedging Agreements) shall remain unpaid or unsatisfied, each of the
Borrowers agrees that it shall not, nor shall it permit any of its Subsidiaries (other than the
Excluded Subsidiaries) to, directly or indirectly:

          7.01. Liens. Create, incur, assume or suffer to exist, any Lien upon any of its property, assets or revenues,
whether now owned or hereafter acquired, other than the following:

     (a) Liens pursuant to any Loan Document;

     (b) Liens existing on the Closing Date and listed on Schedule 7.01 to this Agreement and any
renewals or extensions thereof; provided that the property covered thereby is not increased, the
amount of the Indebtedness secured thereby is not increased, and any renewal or extension of the
obligations secured or benefited thereby is permitted under this Agreement;

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     (c) Liens for taxes, assessments, or other governmental charges or levies not yet due or which
are being contested in good faith and by appropriate proceedings, if adequate reserves with respect
thereto are maintained on the books of the applicable Person in accordance with GAAP;

     (d) landlord’s, royalty owner’s, supplier’s, constructor’s, operator’s, vendor’s, carriers’,
warehousemen’s, mechanics’, materialmen’s, repairmen’s or other like Liens arising in the ordinary
course of business or which are incident to the exploration, development, operation and maintenance
of the Borrowing Base Oil and Gas Properties or the Midstream Businesses not overdue for a period
of more than 30 days or which are being contested in good faith and by appropriate proceedings, if
adequate reserves with respect thereto are maintained on the books of the applicable Person;

     (e) pledges or deposits in the ordinary course of business in connection with workers’
compensation, unemployment insurance and other social security legislation;

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

     (g) easements, rights-of-way, restrictions, servitudes, permits, conditions, covenants,
exception or reservations and other similar encumbrances, defects, irregularities and deficiencies
in title affecting real property which, in the aggregate, are not substantial in amount, and which
do not, taken as a whole, materially detract from the value of the property subject thereto or
materially interfere with the ordinary conduct of the business of the applicable Person;

     (h) judgment Liens not giving rise to an Event of Default;

     (i) any Lien existing on any asset (other than stock of a Subsidiary) prior to acquisition
thereof by the Borrowers or any of their respective Subsidiaries; provided that (i) no such Lien
shall be extended to cover property other than the asset being acquired, and (ii) such Lien was not
created in contemplation of or in connection with such acquisition;

     (j) Liens securing Capital Lease obligations; provided that the Indebtedness in respect of
such Capital Lease obligations is permitted under Section 7.04(f);

     (k) purchase money Liens upon or in any property acquired, constructed or improved by any
Borrower or its Subsidiaries (placed on such property at the time of such acquisition or the
completion of the construction or improvement or within 90 days thereafter) to secure the deferred
portion of the purchase price of such property or to secure Indebtedness incurred to finance the
acquisition, construction or improvement of such property; provided that (i) no such Lien shall be
extended to cover property other than the property being acquired, constructed or improved and (ii)
the Indebtedness thereby secured is permitted by Section 7.04(e);

     (l) Liens reserved in or exercisable under any lease or sublease to which any Borrower or its
Subsidiary is a lessee which secure the payment of rent or compliance with the terms of such lease
or sublease; provided, that the rent under such lease or sublease is not then overdue and such
Borrower or Subsidiary is in material compliance with the terms and conditions thereof;

     (m) any interest or title of a lessor under any lease entered into by any Borrower or any
Subsidiary in the ordinary course of its business and covering only the assets so leased, and any
interest of a landowner in the case of easements entered into by any Borrower or any of its
Subsidiaries in the ordinary course of its business and covering only the property subject to the
easement;

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     (n) Liens securing obligations (other than obligations representing Indebtedness for borrowed
money) under operating, reciprocal easement or similar agreements entered into in the ordinary
course of business of the Borrowers and their respective Subsidiaries;

     (o) licenses of patents, trademarks and other intellectual property rights granted by each
Borrower or any of its Subsidiaries in the ordinary course of business and not interfering in any
material respect with the ordinary conduct of the business of each such Borrower and its
Subsidiaries;

     (p) Liens arising solely by virtue of any statutory or common law provision relating to
banker’s liens, rights of set-off or similar rights and remedies and burdening only deposit
accounts or other funds maintained with a creditor depository institution;

     (q) Liens on any additions, improvements, replacements, repairs, fixtures, appurtenances or
component parts thereof attaching to or required to be attached to property or assets pursuant to
the terms of any mortgage, pledge agreement, security agreement or other similar instrument,
creating a Lien upon such property or asset otherwise permitted under this Section;

     (r) Liens securing an obligation of a third party neither created, assumed nor Guaranteed by
the Borrowers or any Subsidiary upon lands over which easements or similar rights are acquired by
the Borrowers or any Subsidiary in the ordinary course of business of the Borrowers or any
Subsidiary;

     (s) any Liens arising out of the refinancing, extension, renewal or refunding of any
Indebtedness secured by any Lien permitted by any of the foregoing clauses of this Section,
provided that such Indebtedness is not increased except for increases in an amount equal to a
reasonable premium or other reasonable amount paid, and fees and expenses reasonably incurred, in
connection with such extension, renewal, refinancing, or replacement and in an amount equal to any
existing commitments unutilized thereunder, and is not secured by any additional assets;

     (t) Liens arising solely by virtue of cash collateralizing letters of credit issued by
non-Lender financial institutions in an aggregate amount not to exceed $4,000,000

     (u) contractual Liens which arise in the ordinary course of business under operating
agreements, joint venture agreements, oil and gas partnership agreements, oil and gas leases,
farm-out agreements, division orders, contracts for sale, purchase, transportation or exchange of
oil or natural gas, unitization and pooling declarations and agreements, area of mutual interest
agreements, royalty and overriding royalty agreements, marketing agreements, processing agreements,
net profits agreements, development agreements, gas balancing or deferred production agreements,
injection, repressuring and recycling agreements, salt water or other disposal agreements, seismic
or other geophysical permits or agreements, and other agreements which are usual and customary in
the oil and gas business and are for claims which are not delinquent;

     (v) Rights reserved to or vested in a Governmental Authority having jurisdiction to control or
regulate any Oil and Gas Property or other Collateral in any manner whatsoever and all laws of such
Governmental Authorities, so long as the Borrowers and their respective Subsidiaries (other than
the Excluded Subsidiaries) are in compliance with all such laws, except for any non-compliance that
would not result in a Material Adverse Effect;

     (w) consents to assignment and similar contractual provisions affecting an Oil and Gas
Property or other Collateral to the extent, and only to the extent, such consents are not affected
by or required for the execution, delivery, performance and enforcement of any Loan Document;

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     (x) preferential rights to purchase and similar contractual provisions affecting Collateral to
the extent, and only to the extent, such consents are not affected by delivery of any Loan Document
or, if affected, have been waived; and

     (y) all defects and irregularities affecting title to an Oil and Gas Property or other
Collateral that could not operate to reduce the net revenue interest of any Borrower and its
Subsidiaries for such Oil and Gas Property (if any), increase the working interest of any Borrower
and its Subsidiaries for such Oil and Gas Property (if any) without a corresponding increase in the
corresponding net revenue interest, or otherwise interfere materially with the operation, value or
use of such Oil and Gas Property or other Collateral or cause a Material Adverse Effect;

     (z) Liens securing the Borrowing Base Credit Facility;

     (aa) Liens incurred in the ordinary course of business in connection with margin requirements
(ii) under Swap Contracts not to exceed in the aggregate $2,000,000 at any time outstanding; and
(ii) under applicable Laws;

     (bb) Liens that MidContinent and any of its Subsidiaries (which currently exist or that may
hereafter be formed) are permitted to grant under the Borrowing Base Credit Facility; and

     (cc) Liens on the equity of Eastern granted by PESC for the benefit of Royal Bank of Canada
securing Royal Bank of Canada’s credit agreement with Eastern.

          7.02. Investments. Make or own any Investments, except

     (a) Investments existing on the Closing Date and listed in Section (b) of Schedule 5.13;

     (b) Cash Equivalents;

     (c) Investments constituting Indebtedness permitted under Section 7.04(b);

     (d) Investments (i) by any Borrower or any other Loan Party in Subsidiaries formed to acquire
Oil and Gas Properties or in connection with the Midstream Businesses, and (ii) not exceeding
$5,000,000 in the aggregate resulting from any Borrower’s or any other Loan Party’s acquisition of
equity or joint venture interests in a Person primarily engaged in the ownership or development of
Oil and Gas Properties or in the Midstream Businesses;

     (e) Investments by any Borrower in another Borrower, Investments by any Borrower and its
Subsidiaries in any Subsidiary of such Borrower that, prior to such Investment, is a Loan Party,
and Investments by Subsidiaries in any Borrower;

     (f) acquisitions by PESC or MidContinent or its Subsidiaries of Oil and Gas Properties
provided any such acquired Oil and Gas Properties are pledged to secure, on a first lien basis, the
Borrowing Base Credit Facility, and on a junior, second and subordinate lien basis, Obligations
owing hereunder;

     (g) Guarantees of Indebtedness permitted under Section 7.04;

     (h) Swap Contracts permitted under Section 7.03;

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     (i) Investments consisting of extensions of credit, including without limitation, in the
nature of accounts receivable, arising from the grant of trade credit or prepayments or similar
transactions entered into in the ordinary course of business and investments by any Borrower or any
of its Subsidiaries in satisfaction or partial satisfaction thereof from financially troubled
account debtors to prevent or limit financial loss;

     (j) endorsements for collection or deposit in the ordinary course of business;

     (k) Permitted Acquisitions by a Borrower or any of its Subsidiaries;

     (l) Investments not otherwise permitted by this Section 7.02 in an aggregate amount not to
exceed $5,000,000 at anytime outstanding;

     (m) Investments that MidContinent and any of its Subsidiaries (which currently exist or that
may hereafter be formed) are permitted to make under the Borrowing Base Credit Facility;

     (n) Investments funded entirely using proceeds from equity issued by Parent, including
Investments funded with proceeds of any White Deer Additional Investment; and

     (o) Investments consisting of loans by PESC to Eastern in an aggregate amount not to exceed
$3,000,000 at any one time outstanding to enable Eastern to pay direct costs and expenses on its
own behalf and to pay for general and administrative expenses to be paid by PESC on Eastern’s
behalf in accordance with the G&A Formula; provided, such loan is governed by an intercompany
agreement and evidenced by bookkeeping entries; provided further, by its terms such loan will be
repaid before the repayment of any Indebtedness for borrowed money owing by Eastern.

          7.03. Hedging Agreements. Enter into any Swap Contracts other than in the ordinary course of business for the purpose of
protecting against fluctuations in interest rates, commodity prices, or foreign exchange rates and
not for purposes of speculation; provided:

     (i) that, except as required under applicable Law, the Swap Contract shall not contain
any provision (a) exonerating the non-defaulting party from its obligation to make payments
on outstanding transactions to the defaulting party other than pursuant to netting and
setoff provisions based on standard provisions in documentation promulgated by the
International Swaps and Derivatives Association or similar organization recognized as
providing standardized documentation for Swap Contracts; and (b) requiring any Company at
any time or under any circumstance to post any cash collateral or letter of credit or grant
a Lien on any collateral to secure any Company’s obligations under such Swap Contract
(except for Lender Hedging Agreements which shall be secured by a pari passu Lien on the
Collateral as provided in Section 2.13 but which shall not be secured by any other or
additional collateral); provided however that notwithstanding the foregoing, if the Swap
Contracts in question are cleared (directly or ultimately) through clearing corporations or
on an exchange, the foregoing shall not prohibit the posting of initial or variance margins
or other amounts, if required by Law, in order for the Company to enter into Swaps Contracts
of a nature that, in the business judgment of the Company, represent an appropriate pricing
and structure as among available alternatives;

     (ii) if the Swap Contract relates to Hydrocarbons, a Company enters into such Swap
Contract with or through a counterparty that has a credit rating of at least “A-” by S&P or
“A3” by Moody’s at the time that such Company enters into such Swap Contract;

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     (iii) such Swap Contracts relating to Hydrocarbons cover monthly notional volumes of
Hydrocarbons that do not exceed the greater of (i) ninety percent (90%) of a Company’s
forecasted oil and gas production for the next five years for each of such Company’s crude
oil and natural gas properties calculated separately, from Proved Developed Producing
Reserves, and (ii) eighty-five percent (85%) of forecasted production for the next five
years from total Proved Reserves and seventy-five percent (75%) of forecasted production
from total Proved Reserves thereafter (such amounts computed on an annual basis and applied
to crude oil and natural gas properties calculated separately); provided that the aggregate
amount of all such Swap Contracts shall not exceed one hundred percent (100%) of actual oil
or gas production, calculated separately, in any given month (or if as a result of a force
majeure event the foregoing limitations are breached, then in any given three consecutive
month period); and

     (iv) that where only annual volumes are presented in the Reserve Report, monthly
volumes will be calculated by dividing the applicable volumes by the number of months
covered by the Reserve Report for the applicable year.

          7.04. Indebtedness. Create, incur, or assume any Indebtedness except:

     (a) Indebtedness incurred pursuant to the Loan Documents or existing on the date hereof and
disclosed on Schedule 7.04 attached hereto;

     (b) Indebtedness owed by a Borrower to another Borrower, by a Subsidiary of a Borrower to a
Borrower or to a Wholly-Owned Subsidiary (other than an Excluded Subsidiary) of a Borrower, or by a
Borrower to a Wholly-Owned Subsidiary (other than an Excluded Subsidiary) of another Borrower;
provided, that, in each such case such Indebtedness is governed by an intercompany agreement
and evidenced by bookkeeping entries;

     (c) Indebtedness owing in connection with the Borrowing Base Credit Facility;

     (d) obligations (contingent or otherwise) of the Borrowers or any of their respective
Subsidiaries existing or arising under any Swap Contract to the extent permitted by Section 7.03;

     (e) Indebtedness of the Borrowers and their respective Subsidiaries in respect of purchase
money obligations for fixed or capital assets within the limitations set forth in Section 7.01(k);
provided, however, that the aggregate amount of such Indebtedness at any one time outstanding shall
not exceed $10,000,000;

     (f) Indebtedness of the Borrowers or any of their respective Subsidiaries (other than any
Excluded Subsidiary) in respect of Capital Lease obligations; provided that, such Capital Lease
obligations will not require the payment of an aggregate amount in excess of $8,000,000 annually;
and provided that any Capital Lease obligation relating to compressors or compression equipment
shall be excluded from this subsection and dealt with in Section 7.05;

     (g) Indebtedness consisting of surety bonds that the Borrowers or any of their respective
Subsidiaries is required to obtain in order to comply with applicable Law or the requirements of
any Governmental Authority;

     (h) Indebtedness secured by any Lien permitted under Section 7.01(i); provided, however, that
the aggregate amount of such Indebtedness at any one time outstanding shall not exceed $10,000,000;
and Indebtedness secured by any other Lien permitted under Section 7.01; and

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     (i) other Indebtedness of the Borrowers and their respective Subsidiaries not to exceed
$10,000,000 in the aggregate principal amount outstanding at any time;

     (j) Indebtedness associated with bonds, surety obligations or sinking funds required by any
Governmental Authority or operators in connection with the operation of Oil and Gas Properties or
the Midstream Businesses; and

     (k) reimbursement obligations under letters of credit issued for any Loan Party under the
Borrowing Base Credit Facility; and reimbursement obligations under letters of credit issued for
any Loan Party by other third parties not to exceed $4,000,000 in the aggregate amount outstanding
at any one time;

     (l) Indebtedness that MidContinent and any of its Subsidiaries (which currently exist or that
may hereafter be formed) are permitted to incur under the Borrowing Base Credit Facility;

provided, that if any Indebtedness is incurred pursuant to this Section 7.04, immediately after
such Indebtedness is created, incurred or assumed, no Default or Event of Default shall exist.

          7.05. Lease Obligations. Create or suffer to exist any obligations for the payment of rent for any property under
operating leases or agreements to lease (excluding leases of Oil and Gas Properties), except for
(i) operating leases (or Capital Lease obligations) for compressors and compression equipment and
services for which no dollar limitation shall be applicable; (ii) such other non-compressor and
non-compression equipment and services operating leases (or Capital Lease obligations) having an
annual aggregate payment amount not
to exceed $20,000,000 (excluding escalations resulting from a rise in the consumer price or similar
index), exclusive of expenses for maintenance, repairs, insurance, taxes, assessments and similar
changes, and (iii) other operating leases (other than those constituting Synthetic Lease
Obligations) entered into or assumed by the Borrowers or any of their respective Subsidiaries prior
to the date hereof or after the date hereof in the ordinary course of business or entered into or
assumed in connection with any Permitted Acquisition; provided that, such other operating leases
under this clause (iii) will not require the payment of an aggregate amount of payments in excess
of (excluding escalations resulting from a rise in the consumer price or similar index) $4,000,000
annually, exclusive of expenses for maintenance, repairs, insurance, taxes, assessments and similar
changes.

          7.06. Fundamental Changes. Except in connection with the Restructure Transactions, merge, dissolve, liquidate, or
consolidate with or into, or convey, transfer, lease or otherwise Dispose of (whether in one
transaction or in a series of related transactions) all or substantially all of its assets (whether
now owned or hereafter acquired) to or in favor of any Person; except that, so long as no Default
or Event of Default exists or would result therefrom:

     (a) any Person (other than any Excluded Subsidiary) may merge, dissolve or liquidate into a
Borrower; provided that such Borrower is the surviving entity;

     (b) any Subsidiary (other than any Excluded Subsidiary) may merge, dissolve or liquidate with
(i) a Borrower; provided that such Borrower shall be the continuing or surviving Person, or (ii)
any one or more Subsidiaries; provided that when any Wholly-Owned Subsidiary is merging with
another Subsidiary, a Wholly-Owned Subsidiary shall be the continuing or surviving Person;

     (c) any Subsidiary (other than any Excluded Subsidiary) may sell all or substantially all of
its assets (upon voluntary liquidation or otherwise), to a Borrower or to another Subsidiary;
provided that if the seller in such a transaction is a Wholly-Owned Subsidiary, then the purchaser
must also be a Wholly-Owned Subsidiary;

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     (d) any Person (other than Eastern or a Borrower) may merge, dissolve or liquidate into any
Subsidiary; provided that such Subsidiary is the surviving entity;

     (e) any Dispositions permitted under Section 7.07; and

     (f) any liquidation or dissolution of STP in accordance with applicable Law.

          7.07. Dispositions. Make any Disposition or enter into any agreement to make any Disposition, except:

     (a) Dispositions by the Borrowers or any of their respective Subsidiaries of (i) Hydrocarbons
in the ordinary course of business for fair market value, or (ii) other inventory in the ordinary
course of business;

     (b) Dispositions of property by any Borrower to another Borrower, by any Subsidiary (other
than an Excluded Subsidiary) to a Borrower, or by any Subsidiary (other than an Excluded
Subsidiary) or by any Borrower, to a Wholly-Owned Subsidiary that is a Guarantor;

     (c) Dispositions of equipment and other real and personal property (including Oil and Gas
Properties) for fair market value by any Borrower or any Subsidiary to the extent that (i) such
property is exchanged for credit against the purchase price of similar replacement or exchanged
property, or (ii) the Net Available Cash of such Disposition is within 180 days Reinvested, and if
any portion of such Net Available Cash has not been Reinvested within 180 days from the receipt by
such Company of Net Available Cash (including receipt of any deferred payments for any such
Disposition, if and when received), then on the Business Day following such 180th day, the Loans
shall be prepaid, in an amount equal to the portion of the Net Available Cash that is not so
Reinvested,

     (d) other Dispositions for fair market value; provided no Default or Event of Default then
exists or arises as a result thereof; and provided that if the Disposition is for cash and a
prepayment is required by Section 2.04, the Borrowers shall make such prepayment in accordance with
such Section;

     (e) Dispositions of the Marcellus Assets provided that PESC and MidContinent shall make the
prepayment required under the Borrowing Base Credit Facility and Dispositions by Eastern to
MidContinent or to a Borrower of the Marcellus Gathering System;

     (f) Dispositions of the KPC Pipeline provided that if the Disposition is for cash and a
prepayment is required by Section 2.04(b), the Borrowers shall make such prepayment in accordance
with such Section;

     (g) Dispositions of property that is no longer commercially viable to maintain or is obsolete,
surplus or worn-out property;

     (h) Dispositions permitted under Section 7.06; and

     (i) any Disposition made as part of the Restructure Transactions;

     (j) Disposition by PESC of its membership interests in Eastern;

     (k) Disposition by PESC of its membership interests in KPC Pipeline provided that, if such
Disposition is for cash and a prepayment is required by Section 2.04(b), PESC shall make such
prepayment in accordance with such Section;

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     (l) Disposition by MidContinent of its equity interests in STP; and

     (m) Dispositions that MidContinent and any of its Subsidiaries (which currently exist or that
may hereafter be formed) are permitted to make under the Borrowing Base Credit Facility.

          7.08. Transfer Payments; Restricted Payments; Distributions and Redemptions. Declare or make, directly or indirectly, any Restricted Payment or Transfer Payment, or incur
any obligation (contingent or otherwise) to do so, except that:

     (a) each Subsidiary may make Transfer Payments and Restricted Payments to the Borrowers; and
to Wholly-Owned Subsidiaries of the Borrowers (other than Excluded Subsidiaries);

     (b) each Borrower and its Subsidiaries may make Transfer Payments and Restricted Payments to
PESC (or through a parent to PESC) of direct costs and expenses to be paid by PESC on its behalf
and PESC may make Transfer Payments to its Subsidiaries (other than Excluded Subsidiaries) to
enable such Subsidiaries to pay direct costs and expenses on their own behalf; provided, however,
PESC
may make Transfer Payments and Restricted Payments to Eastern in the form of a loan to pay
direct costs and expenses incurred by Eastern subject to the limitations set forth in Section
7.02(o);

     (c) each Borrower and its Subsidiaries may make Transfer Payments and Restricted Payments to
PESC (or through a parent to PESC) for general and administrative expenses allocated to it in any
particular period in accordance with the G&A Formula; and PESC may make Transfer Payments and
Restricted Payments to its Subsidiaries (other than Excluded Subsidiaries) for general and
administrative expenses to be paid by such Subsidiary or may pay such general and administrative
expenses of such Subsidiary on such Subsidiary’s behalf in accordance with the G&A Formula;
provided, however, PESC may make Transfer Payments and Restricted Payments to Eastern in the form
of a loan to pay general and administrative expenses of Eastern on Eastern’s behalf in accordance
with the G&A Formula subject to the limitations set forth in Section 7.02(o);

     (d) each Borrower and its Subsidiaries may make Transfer Payments and Restricted Payments to
PESC (or through a parent to PESC) to fund drilling expenses of Eastern and expenses to keep lease
rights owned by Eastern from expiring, in an aggregate amount for all such expenses not to exceed
$5,000,000, and PESC may make Transfer Payments to Eastern in such aggregate amount;
provided, however any such Transfer Payments and/or Restricted Payments are funded using only
proceeds of any White Deer Energy Additional Investment;

     (e) each Borrower and its Subsidiaries may make Transfer Payments and Restricted Payments to
PESC (or through a parent to PESC) in an amount equal to its consolidated income tax liability
(with the method of allocation of income tax obligations to be reasonably acceptable to the
Lenders);

     (f) MidContinent may make Transfer Payments and Restricted Payments to PESC, and PESC may make
Transfer Payments and Restricted Payments to KPC Pipeline, LLC in the aggregate amount equal to the
principal and interest required to be paid during any period by KPC Pipeline, LLC under this
Agreement;

     (g) MidContinent may make Transfer Payments and Restricted Payments to PESC, and PESC may make
Transfer Payments and Restricted Payments to Eastern. in the aggregate equal to the amount of
principal and interest required to be paid during any period by Eastern under the Amended QRC
Facility; provided, however any such Transfer Payments and/or Restricted Payments are funded using
only proceeds of any White Deer Energy Additional Investment;

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     (h) Borrowers and their Subsidiaries may make Transfer Payments and Restricted Payments to
PESC, and PESC may make Transfer Payments and Restricted Payments to Eastern and Parent, not to
exceed $7,500,000 in the aggregate, in connection with, and to the extent that, the Asset Sale
Agreement, of even date herewith, between RBC, Eastern, and PESC, relating to the Amended QRC
Facility, requires a payment to RBC as a result of the sale price for the sale of the non-producing
Marcellus assets owned by Eastern; provided, however any such Transfer Payments and/or Restricted
Payments are funded using only proceeds of any White Deer Energy Additional Investment;

     (i) MidContinent and any of its Subsidiaries may make payments to Eastern as operator of the
Marcellus Assets, pursuant to that certain gas gathering agreement between MidContinent (f/k/a
Quest Cherokee) and Eastern relating to gas gathering in the Appalachian region; and

     (j) MidContinent and any of its Subsidiaries that may hereafter be formed may make Transfer
Payments and Restricted Payments to the extent permitted under the credit agreement governing the
Borrowing Base Credit Facility.

          7.09. ERISA. At any time engage in a transaction which could be subject to Section 4069 or 4212(c) of ERISA,
or knowingly permit any Plan maintained by a Company to: (a) engage in any non-exempt “prohibited
transaction” (as defined in Section 4975 of the Code); (b) fail to comply with ERISA or any other
applicable Laws, except as disclosed on Schedule 5.12; or (c) incur any material “accumulated
funding deficiency” (as defined in Section 302 of ERISA), which, with respect to each event listed
above, could be reasonably expected to have a Material Adverse Effect or, except to the extent
disclosed on Schedule 5.12.

          7.10. Nature of Business; Risk Management. Engage in any line of business other than exploration, production and marketing of Hydrocarbons
and related activities and the Midstream Businesses or make any capital expenditures or Permitted
Acquisitions permitted by Section 7.02, except in connection therewith. Without the written
approval of the Administrative Agent, the Borrowers shall not materially change their risk
management policy.

          7.11. Transactions with Affiliates. Sell, lease or otherwise transfer any property or assets to, or purchase, lease or otherwise
acquire any property or assets from, or otherwise engage in any other transactions with, any of its
Affiliates, except (i) transactions between or among the Borrowers or between the Borrowers and
their Wholly-Owned Subsidiaries (other than the Excluded Subsidiaries) not involving any other
Affiliate; (ii) any Investment permitted under Section 7.02; (iii) any transaction involving
Indebtedness permitted under Section 7.04; (iii) any transactions permitted under Section 7.06;
(iv) any Dispositions permitted under Section 7.05; (v) any Transfer Payment, Restricted Payment,
distribution or dividend permitted under Section 7.08; (vi) the transactions under the agreements
listed on Schedule 7.11; (vii) the transaction involving the Lien on the equity of Eastern granted
by PESC for the benefit of Royal Bank of Canada securing its credit agreement with Eastern; (viii)
in the ordinary course of business at prices and on terms and conditions not less favorable to the
Borrowers or their respective Subsidiaries, as applicable, than could be obtained on an arm’s
length basis from unrelated third parties; and (ix) transactions pursuant to the Material
Agreements.

          7.12. Burdensome Agreements. Enter into any Contractual Obligation that limits the ability of any Subsidiary to make
Restricted Payments to a Borrower or to otherwise transfer property to a Borrower; provided that
(i) the foregoing shall not apply to restrictions and conditions imposed by applicable Law or by
this Agreement, (ii) the foregoing shall not apply to customary restrictions and conditions
contained in agreements relating to the sale of a Subsidiary pending such sale, provided such
restrictions and conditions apply only to the Subsidiary that is to be sold and such sale is
permitted hereunder, and (iii) the foregoing shall not apply to restrictions and conditions
contained in the

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documentation evidencing any Indebtedness permitted hereunder. Notwithstanding the
foregoing, (i) documents governing a Capitalized Lease or a purchase money Lien permitted by
Sections 7.01(j) and (k) may prohibit other Liens on the asset encumbered by such Lien.

          7.13. Use of Proceeds. Use the proceeds of any Loan for purposes other than those permitted by Section 6.12, or use the
proceeds of any Loan, whether directly or indirectly, and whether immediately, incidentally or
ultimately, to purchase or carry margin stock (within the meaning of Regulation U of the Board) or
to extend credit
to others for the purpose of purchasing or carrying margin stock or to refund indebtedness
originally incurred for such purpose.

          7.14. Material Agreements. Permit, except for amendments or assignments made to accommodate, permit, or otherwise made in
connection with, the Restructure Transactions (including the White Deer Energy Investment), (a) any
amendment to any Organization Document of any Borrower or any Material Agreement if such amendment
could reasonably be expected to (y) have a Material Adverse Effect on the ability of any Borrower
or any Guarantor to perform its obligations under the Loan Documents to which it is a party or (z)
otherwise materially adversely affect the Lenders, or (b) any assignment of any Material Agreement
if such assignment could reasonably be expected to materially adversely affect the Lenders or have
a Material Adverse Effect on the ability of any Borrower or any other Loan Party to perform its
obligations under the Loan Documents to which it is a party.

          7.15. Pooling or Unitization. Voluntarily pool or unitize all or any part of the Borrowing Base Oil and Gas Properties where
the pooling or unitization would result in any material diminution of any Borrower’s or any other
Loan Party’s net revenue interest in production from the pooled or unitized lands, without the
Required Lenders’ prior consent, which will not be unreasonably withheld. Any unitization, pooling
or communitization or other action or instrument in violation of this Section 7.15 shall be of no
force or effect against any Lender.

          7.16. Financial Covenants. For purposes of determining compliance with the financial covenants contained in this Agreement
any election by the Borrowers to measure an item of Indebtedness using fair value (as permitted by
Statement of Financial Accounting Standards No. 159 or any similar accounting standard) shall be
disregarded and such determination shall be made as if such election had not been made.

     (a) Current Ratio. Permit the ratio (calculated based on the Compliance Certificate most
recently delivered pursuant to Section 6.02(a)) of the Borrowers’ consolidated current assets
(including the unused amount of the Borrowing Base, but excluding non-cash assets under FAS 133) to
consolidated current liabilities (excluding non-cash obligations under FAS 133, asset and asset
retirement obligations and current maturities of Indebtedness under this Agreement and the
Borrowing Base Facility Credit Agreement) at any fiscal quarter-end, commencing with the
quarter-ended September 30, 2010, to be less than or equal to 1.0 to 1.0; provided, however, that
for purposes of this covenant, current assets and current liabilities shall exclude mark-to-market
values of Swap Contracts, to the extent such values are included in current assets and current
liabilities.

     (b) Interest Coverage Ratio. Permit the Interest Coverage Ratio at any fiscal quarter-end to
be less than or equal to 3.0 to 1.0.

     (c) Leverage Ratio. Permit the Leverage Ratio at any fiscal quarter-end (i) commencing with
the quarter ending September 30, 2010 and ending on the quarter ending March 31, 2011, to be
greater than or equal to 4.5 to 1.0 and (ii) commencing with the quarter-ending June 30, 2011 and
ending with the quarter ending December 31, 2011, to be greater than or equal to 4.0 to 1.0.

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     (d) Adjustments for Material Dispositions. For the purposes of calculating Adjusted
Consolidated EBITDA for any period of four consecutive fiscal quarters (each, a “Reference Period”)
pursuant to any determination of the covenants set forth in this Section 7.16 (which
calculation shall, in all respects, be acceptable to, and approved by the Administrative Agent), if
at any time after the first day of such Reference Period any Borrower or its consolidated
Subsidiary (other than the Excluded Subsidiaries) shall have made any Material Disposition, the
Adjusted Consolidated EBITDA for such Reference Period shall be reduced by an amount equal to the
Adjusted Consolidated EBITDA (if positive) attributable to the Oil and Gas Property or other
Collateral that is the subject of such Material Disposition for such Reference Period. Except as
otherwise indicated, the ratios set out above shall be calculated at the end of each reporting
period for which this Agreement requires Borrowers to deliver financial statements pursuant to
Sections 6.01(a) and (b), using the results of the twelve-month period ending with that reporting
period.

     (e) Adjustments for Permitted Acquisitions and Material Acquisitions. For purposes of
determining compliance with Sections 7.16(b) and (c)):

     (i) Adjusted Consolidated EBITDA shall be calculated after giving effect, on a pro
forma basis (in a manner reasonably acceptable to the Administrative Agent) for the four
consecutive fiscal quarters most recently completed, to any Permitted Acquisition or
Material
Acquisition occurring during such period, as if such Permitted Acquisition or Material
Acquisition occurred on the first day of such period.

     (ii) If, in connection with a Permitted Acquisition or a Material Acquisition, any
Indebtedness is incurred or assumed by a Company, then Consolidated Interest Charges shall
be calculated, on a pro forma basis (in a manner reasonably acceptable to the Administrative
Agent) for the four quarters most recently completed, as if such Indebtedness had been
incurred on the first day of such period.

ARTICLE VIII.

EVENTS OF DEFAULT AND REMEDIES

          8.01. Events of Default. Any of the following shall constitute an Event of Default:

     (a) Non-Payment. The Borrowers fail to pay (i) when and as required to be paid
herein, any amount of principal of any Loan or (ii) within three Business Days after the same
becomes due, any interest on any Loan due hereunder, or any other amount payable hereunder or under
any other Loan Document; or

     (b) Specific Covenants. The Borrowers fail to perform or observe any term, covenant
or agreement contained in any of Section 6.03(a), 6.05 (with respect to the respective Borrower’s
existence), 6.12, or Article VII; or

     (c) Other Defaults. Any Loan Party fails to perform or observe any other covenant or
agreement (not specified in subsection (a) or (b) above) contained in any Loan Document on its part
to be performed or observed and such failure continues for 30 days after the date notice has been
given to the Borrowers by the Administrative Agent or the Required Lenders; or

     (d) Representations and Warranties. Any representation or warranty made or deemed
made by the Borrowers or any other Loan Party herein, in any other Loan Document, or in any
document

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delivered in connection herewith or therewith proves to have been incorrect in any material
respect when made or deemed made; or

     (e) Cross-Default. (i) The Borrowers or any Borrower Affiliate or, solely as regards
a default under the Borrowing Base Credit Facility, MidContinent (A) fails to make any payment when
due (whether by scheduled maturity, required prepayment, acceleration, demand, or otherwise) in
respect of any Indebtedness or Guaranty Obligation in respect of Indebtedness (other than
Indebtedness under Swap Contracts) under the Borrowing Base Credit Facility or having an aggregate
principal amount (or, in the case of a Capitalized Lease or a Synthetic Lease Obligation,
Attributable Indebtedness) (including undrawn or available amounts and including amounts owing to
all creditors under any combined or syndicated credit arrangement) of more than (individually or
collectively) $5,000,000, or (B) fails to observe or perform any other agreement or condition
relating to any such Indebtedness or Guaranty Obligation in respect of Indebtedness or contained in
any instrument or agreement evidencing, securing or relating thereto, or any other event occurs,
the effect of which default or other event is to cause, or to permit the holder or holders of such
Indebtedness, the lessor under such Synthetic Lease Obligation or the beneficiary or beneficiaries
of such Guaranty Obligation (or a trustee or agent on behalf of such holder or holders or
beneficiary or beneficiaries) to cause, with the giving of notice if required, such Indebtedness to
be demanded or to become due or to be repurchased or redeemed (automatically or otherwise) prior to
its stated maturity, or such Guaranty Obligation to become payable or cash collateral in
respect thereof to be demanded; provided that this clause (e)(i)(B) shall not apply to secured
Indebtedness that becomes due as a result of the voluntary sale or transfer of the property or
assets securing such Indebtedness; or (ii) (A) there occurs under any Swap Contract an Early
Termination Date (as defined in such Swap Contract) resulting from any event of default under such
Swap Contract as to which a Borrower or any Borrower Affiliate is the Defaulting Party (as defined
in such Swap Contract) and the Swap Termination Value owed by a Borrower or any Borrower Affiliate
as a result thereof is greater than (individually or collectively) $5,000,000, or (B) there occurs
under any Swap Contract an Early Termination Date (as defined in such Swap Contract) resulting from
any Termination Event (as so defined) under such Swap Contract as to which a Borrower or any
Borrower Affiliate is an Affected Party (as so defined) and the Early Termination Amount owed by a
Borrower and Borrower Affiliate as a result thereof is greater than (individually or collectively)
$5,000,000 and such amount is not paid when due under such Swap Contract; or

     (f) Insolvency Proceedings, Etc. (i) A Borrower or any Borrower Affiliate institutes
or consents to the institution of any proceeding under any Debtor Relief Law, or makes an
assignment for the benefit of creditors; or applies for or consents to the appointment of any
receiver, trustee, custodian, conservator, liquidator, rehabilitator or similar officer for it or
for all or any material part of its property or takes any action to effect any of the foregoing; or
(ii) any receiver, trustee, custodian, conservator, liquidator, rehabilitator or similar officer is
appointed without the application or consent of such Person and the appointment continues
undischarged or unstayed for 60 calendar days; or (iii) any proceeding under any Debtor Relief Law
relating to any such Person or to all or any part of its property is instituted without the consent
of such Person and continues undismissed or unstayed for 60 calendar days, or an order for relief
is entered in any such proceeding; or

     (g) Inability to Pay Debts; Attachment. (i) A Borrower or any Borrower Affiliate
becomes unable or admits in writing its inability or fails generally to pay its debts as they
become due, or (ii) any writ or warrant of attachment or execution or similar process is issued or
levied against property which is a material part of the property of the Borrowers and their
Subsidiaries (other than the Excluded Subsidiaries) taken as a whole, and is not released, vacated
or fully bonded within 45 days after its issue or levy; or

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     (h) Judgments. There is entered against a Borrower or any Borrower Affiliate (i) a
final non-appealable judgment or order for the payment of money in an aggregate amount exceeding
(individually or collectively) $5,000,000 (to the extent not covered by third-party insurance as to
which the insurer does not dispute coverage), or (ii) any non-monetary final non-appealable
judgment that has or could reasonably be expected to have a Material Adverse Effect and, in either
case, (A) enforcement proceedings are commenced by any creditor upon such judgment or order and is
not released, vacated or fully bonded within 60 days after its attachment or levy; or (B) there is
a period of 60 consecutive days during which a stay of enforcement of such judgment, by reason of a
pending appeal or otherwise, is not in effect; or

     (i) ERISA. (i) If a Borrower, any Borrower Affiliate or any of their ERISA Affiliates
maintains any Pension Plan or any Multiemployer Plan, an ERISA Event occurs with respect to a
Pension Plan or Multiemployer Plan which has resulted or could reasonably be expected to result in
liability of a Borrower or any Borrower Affiliate under Title IV of ERISA to the Pension Plan,
Multiemployer Plan or the PBGC in an aggregate amount in excess of $1,000,000, or (ii) if there is
any Multiemployer Plan, a Borrower, any Borrower Affiliate or any ERISA Affiliate thereof fails to
pay when due, after the expiration of any applicable grace period, any installment payment with
respect to its withdrawal liability under Section 4201 of ERISA under a Multiemployer Plan in an
aggregate amount in excess of $1,000,000; or

     (j) Invalidity of Loan Documents. Any Loan Document, at any time after its execution
and delivery and for any reason other than the agreement of the Required Lenders or satisfaction in
full of all the Obligations, ceases to be in full force and effect, or is declared by a court of
competent jurisdiction to be null and void, invalid or unenforceable in any material respect; or
any Loan Party denies that it has any or further liability or obligation under any Loan Document,
or purports to revoke, terminate or rescind any Loan Document; provided, however, that the
foregoing shall not apply to the Guaranty and other Collateral Documents of any Subsidiary that is
Disposed of by a Borrower in accordance with the provisions of this Agreement; or

     (k) Change of Control. There occurs any Change of Control; or

     (l) Dissolution. A Borrower or any Borrower Affiliate shall dissolve, liquidate, or
otherwise terminate its existence, except as permitted in Section 7.06; or

     (m) Collateral; Impairment of Security, etc. (i) Any provision of any Loan Document
shall for any reason cease to be valid and binding on or enforceable against a Loan Party or any
Loan Party shall so state in writing or bring an action to limit its obligations or liabilities
thereunder; or (ii) any Collateral Document shall for any reason (other than pursuant to the terms
thereof) cease to create a valid security interest in the Collateral purported to be covered
thereby or such security interest shall for any reason (other than as permitted herein or in any
Collateral Document and except as to the second Lien for the benefit of the Lenders on the
Borrowing Base Oil and Gas Properties and the Bluestem Gathering System) cease to be a perfected
and first priority security interest subject to Permitted Liens; provided, however, that the
foregoing shall not apply to the Guaranty and other Collateral Documents of any Subsidiary that is
Disposed of by the Borrowers in accordance with the provisions of this Agreement.

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

     (a) declare the unpaid principal amount of all outstanding Loans, all interest accrued and
unpaid thereon, and all other amounts owing or payable hereunder or under any other Loan Document
to

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be immediately due and payable, without presentment, demand, protest, notice of intent to
accelerate, notice of acceleration or other notice of any kind, all of which are hereby expressly
waived by the Borrowers; and

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

provided, however, that upon the occurrence of any event specified in subsection (f) of Section
8.01, the unpaid principal amount of all outstanding Loans and all interest shall automatically
become due and payable, and the Borrowers’ obligation to pay such amounts shall be absolute and
unconditional, shall not be subject to any defense or be affected by a right of set-off,
counterclaim or recoupment which the Borrowers may now or hereafter have against the Administrative
Agent, the Lenders or any other Person for any reason whatsoever.

          8.03. Application of Funds. After the exercise of remedies provided for in Section 8.02 (or after the Loans have
automatically become immediately due and payable as set forth in the proviso to Section 8.02), any
amounts received on account of the Obligations shall be applied by the Administrative Agent as set
forth in Section 2.11(d).

ARTICLE IX.

ADMINISTRATIVE AGENT

          9.01. Appointment and Authorization of Agents; Lender Hedging Agreements. (a) Each Lender hereby irrevocably (subject to Section 9.10) appoints, designates and authorizes
the Administrative Agent to take such action on its behalf under the provisions of this Agreement
and each other Loan Document and to exercise such powers and perform such duties as are expressly
delegated to it by the terms of this Agreement or any other Loan Document, together with such
powers as are reasonably incidental thereto. Notwithstanding any provision to the contrary
contained elsewhere herein or in any other Loan Document, the Administrative Agent shall not have
any duties or responsibilities, except those expressly set forth herein, nor shall the
Administrative Agent have or be deemed to have any fiduciary relationship with any Lender or
Participant, and no implied covenants, functions, responsibilities, duties, obligations or
liabilities shall be read into this Agreement or any other Loan Document or otherwise exist against
the Administrative Agent. Without limiting the generality of the foregoing sentence, the use of
the term “agent” herein and in the other Loan Documents with reference to the Administrative Agent
or Collateral Agent is not intended to connote any fiduciary or other implied (or express)
obligations arising under agency doctrine of any applicable Law. Instead, such term is used merely
as a matter of market custom, and is intended to create or reflect only an administrative
relationship between independent contracting parties.

     (b) To the extent any Lender or any Affiliate of a Lender is a party to a Lender Hedging
Agreement and accepts the benefits of the Liens in the Collateral arising pursuant to the
Collateral Documents, such Lender (for itself and on behalf of any such Affiliates) shall be deemed
(i) to appoint the Administrative Agent and Collateral Agent, as its nominee and agent, to act for
and on behalf of such Lender or Affiliate thereof in connection with the Collateral Documents and
(ii) to be bound by the terms of this Article IX.

          9.02. Delegation of Duties. The Administrative Agent may execute any of its duties under this Agreement or any other Loan
Document by or through agents (including the Collateral Agent), employees or attorneys-in-fact and
shall be entitled to advice of counsel and other consultants or experts concerning all matters
pertaining to such duties. Neither the Administrative Agent nor Collateral Agent

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shall be
responsible for the negligence or misconduct of any agent or attorney-in-fact that it selects in
the absence of gross negligence or willful misconduct.

          9.03. Default; Collateral. (a) Upon the occurrence and continuance of a Default or Event of Default, the Lenders agree to
promptly confer in order that Required Lenders or the Lenders, as the case may be, may agree upon a
course of action for the enforcement of the rights of the Lenders; and the Administrative Agent
shall be entitled to refrain from taking any action (without incurring any liability to any Person
for so refraining) unless and until the Administrative Agent shall have received instructions from
Required Lenders. All rights of action under the Loan Documents and all right to the Collateral,
if any, hereunder may be enforced by the Administrative Agent (or Collateral Agent) and any suit or
proceeding instituted by the Administrative Agent (or Collateral Agent) in furtherance of such
enforcement shall be brought in its name as the Administrative Agent (or Collateral Agent) without
the necessity of joining as plaintiffs or defendants any other Lender, and the recovery of any
judgment shall be for the benefit of the Lenders (and, with respect to Lender Hedging Agreements,
Affiliates, if applicable) subject to the expenses of the Administrative Agent and Collateral
Agent. In actions with respect to any property of the Borrowers or
any other Obligor, the Administrative Agent (and the Collateral Agent) is acting for the ratable
benefit of each Lender (and, with respect to Lender Hedging Agreement, Affiliates, if applicable).
Any and all agreements to subordinate (whether made heretofore or hereafter) other indebtedness or
obligations of Borrowers to the Obligations shall be construed as being for the ratable benefit of
each Lender (and, with respect to Lender Hedging Agreement, Affiliates, if applicable).

     (b) Each Lender authorizes and directs the Administrative Agent and the Collateral Agent to
enter into the Collateral Documents on behalf of and for the benefit of the Lenders (and, with
respect to Lender Hedging Agreements, Affiliates, if applicable)(or if previously entered into,
hereby ratifies the Administrative Agent’s and Collateral Agent’s previously entering into such
agreements and Collateral Documents).

     (c) Except to the extent unanimity (or other percentage set forth in Section 10.01) is
required hereunder, each Lender agrees that any action taken by the Required Lenders in accordance
with the provisions of the Loan Documents, and the exercise by the Required Lenders of the power
set forth herein or therein, together with such other powers as are reasonably incidental thereto,
shall be authorized and binding upon all of the Lenders.

     (d) The Administrative Agent and Collateral Agent are each hereby authorized on behalf of the
Lenders, without the necessity of any notice to or further consent from any Lender, from time to
time to take any action with respect to any Collateral or Collateral Documents which may be
necessary to perfect and maintain perfected the Liens upon the Collateral granted pursuant to the
Collateral Documents.

     (e) Neither the Administrative Agent nor the Collateral Agent shall have any obligation
whatsoever to any Lender or to any other Person to assure that the Collateral exists or is owned by
any Obligor or is cared for, protected, or insured or has been encumbered or that the Liens granted
to the Administrative Agent and/or Collateral Agent herein or pursuant thereto have been properly
or sufficiently or lawfully created, perfected, protected, or enforced, or are entitled to any
particular priority, or to exercise at all or in any particular manner or under any duty of care,
disclosure, or fidelity, or to
continue exercising, any of the Rights granted or available to the Administrative Agent or
Collateral Agent in this Section 9.03 or in any of the Collateral Documents; it being understood
and agreed that in respect of the Collateral, or any act, omission, or event related thereto, the
Administrative Agent may act in any manner it may deem appropriate, in its sole discretion, given
the Administrative Agent’s own interest in the Collateral as one of the Lenders and that the
Administrative Agent shall have no duty or

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liability whatsoever to any Lender, other than to act
without gross negligence or willful misconduct and the same shall apply to the Collateral Agent so
long as the Administrative Agent is also the Collateral Agent.

     (f) The Lenders hereby irrevocably authorize the Administrative Agent and/or Collateral Agent,
at its option and in its discretion, to release any Lien granted to or held by the Administrative
Agent or Collateral Agent upon any Collateral: (i) constituting property in which no Obligor owned
an interest at the time the Lien was granted or at any time thereafter; (ii) constituting property
leased or granted to an Obligor under a lease, easement or right-of-way which has expired or been
terminated in a transaction permitted under the Loan Documents or is about to expire and which has
not been, and is not intended by such Obligor to be, renewed; and (iii) consisting of an instrument
evidencing Indebtedness pledged to the Administrative Agent or Collateral Agent (for the benefit of
the Lenders), if the Indebtedness evidenced thereby has been paid in full. In addition, the
Lenders irrevocably authorize the Administrative Agent and Collateral Agent to release Liens upon
Collateral as contemplated in Section 10.01(c) or (d), or if approved, authorized, or ratified in
writing by the requisite Lenders. Upon request by the Administrative Agent (or Collateral Agent)
at any time, the Lenders will confirm in writing the
Administrative Agent’s (or Collateral Agent’s) authority to release particular types or items
of Collateral pursuant to this Section 9.03.

     (g) In furtherance of the authorizations set forth in this Section 9.03, each Lender hereby
irrevocably appoints the Administrative Agent and Collateral Agent its attorney-in-fact, with full
power of substitution, for and on behalf of and in the name of each such Lender (i) to enter into
Collateral Documents (including, without limitation, any appointments of substitute trustees under
any Collateral Documents and any appointment of a collateral agent under the Intercreditor
Agreement), (ii) to take action with respect to the Collateral and Collateral Documents to perfect,
maintain, and preserve Lenders’ Liens, and (iii) to execute instruments of release or to take other
action necessary to release Liens upon any Collateral to the extent authorized in paragraph (f)
hereof. This power of attorney shall be liberally, not restrictively, construed so as to give the
greatest latitude to the Administrative Agent’s and the Collateral Agent’s power, as attorney,
relative to the Collateral matters described in this Section 9.03. The powers and authorities
herein conferred on the Administrative Agent and Collateral Agent may be exercised by the
Administrative Agent or Collateral Agent through any Person who, at the time of the execution of a
particular instrument, is an officer of the Administrative Agent or Collateral Agent (or any Person
acting on behalf of the Administrative Agent or Collateral Agent pursuant to a valid power of
attorney). The power of attorney conferred by this Section 9.03(g) to the Administrative Agent and
Collateral Agent is granted for valuable consideration and is coupled with an interest and is
irrevocable so long as the Obligations, or any part thereof, shall remain unpaid.

          9.04. Liability of Agents. No Agent-Related Person shall (a) be liable for any action taken or omitted to be taken by any
of them under or in connection with this Agreement or any other Loan Document or the transactions
contemplated hereby (except for its own gross negligence or willful misconduct in connection with
its duties expressly set forth herein), or (b) be responsible in any manner to any Lender or
Participant for any recital, statement, representation or warranty made by any Loan Party or any
officer thereof, contained herein or in any other Loan Document, or in any certificate, report,
statement or other document referred to or provided for in, or received by Administrative Agent or
Collateral Agent under or in connection with, this
Agreement or any other Loan Document, or the validity, effectiveness, genuineness, enforceability
or sufficiency of this Agreement or any other Loan Document, or for the creation, perfection or
priority of any Liens purported to be created by any of the Loan Documents, or the validity,
genuineness, enforceability, existence, value or sufficiency of any collateral security, or to make
any inquiry respecting the performance by the Borrowers of their obligations hereunder or under any
other Loan Document, or for any failure of any Loan Party or any other party to any Loan Document
to perform its obligations hereunder or thereunder. No Agent-Related

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Person shall be under any
obligation to any Lender or Participant to ascertain or to inquire as to the observance or
performance of any of the agreements contained in, or conditions of, this Agreement or any other
Loan Document, or to inspect the properties, books or records of any Loan Party or any Affiliate
thereof.

          9.05. Reliance by Administrative Agent. (a) The Administrative Agent shall be entitled to rely, and shall be fully protected in relying,
upon any writing, communication, signature, resolution, representation, notice, consent,
certificate, affidavit, letter, facsimile, electronic mail message or telephone message, statement
or other document or conversation believed by it to be genuine and correct and to have been signed,
sent or made by the proper Person or Persons, and upon advice and statements of legal counsel
(including counsel to any Loan Party), independent accountants and other experts selected by the
Administrative Agent. The Administrative Agent shall be fully justified in failing or refusing to
take any action under any Loan Document unless it shall first receive such advice or concurrence of
the Required Lenders as it deems appropriate and, if it so
requests, it shall first be indemnified to its satisfaction by the Lenders against any and all
liability and expense which may be incurred by it by reason of taking or continuing to take any
such action. The Administrative Agent shall in all cases be fully protected in acting, or in
refraining from acting, under this Agreement or any other Loan Document in accordance with a
request or consent of the Required Lenders or all the Lenders, if required hereunder, and such
request and any action taken or failure to act pursuant thereto shall be binding upon all the
Lenders and Participants. Where this Agreement expressly permits or prohibits an action unless the
Required Lenders otherwise determine, the Administrative Agent shall, and in all other instances,
the Administrative Agent may, but shall not be required to, initiate any solicitation for the
consent or a vote of the Lenders.

     (b) For purposes of determining compliance with the conditions specified in Section 4.01, each
Lender that has funded its Pro Rata Share of the Borrowing on the Closing Date shall be deemed to
have consented to, approved or accepted or to be satisfied with, each document or other matter
either sent by the Administrative Agent to such Lender (or otherwise made available for such Lender
on Intralinks or any similar website) for consent, approval, acceptance or satisfaction, or
required hereunder to be consented to or approved by or acceptable or satisfactory to a Lender.

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

          9.07. Credit Decision; Disclosure of Information by Administrative Agent. Each Lender acknowledges that no Agent-Related Person has made any representation or warranty to
it, and that no act by the Administrative Agent hereinafter taken, including any consent to and
acceptance of any assignment or review of the affairs of any Loan Party or any Affiliate thereof,
shall be deemed to constitute any representation or warranty by any Agent-Related Person to any
Lender as to any matter, including whether Agent-Related Persons have disclosed material
information in their possession. Each Lender represents to the Administrative Agent that it has,
independently and without reliance upon any Agent-Related Person and based on such documents and
information as it has deemed appropriate, made

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its own appraisal of and investigation into the
business, prospects, operations, property, financial and other condition and creditworthiness of
the Loan Parties and their respective Subsidiaries, and all applicable bank or other regulatory
Laws relating to the transactions contemplated hereby, and made its own decision to enter into this
Agreement and to extend credit to the Borrowers hereunder. Each Lender also represents that it
will, independently and without reliance upon any Agent-Related Person and based on such documents
and information as it shall deem appropriate at the time, continue to make its own credit analysis,
appraisals and decisions in taking or not taking action under this Agreement and the other Loan
Documents, and to make such investigations as it deems necessary to inform itself as to the
business, prospects, operations, property, financial and other condition and creditworthiness of
the Borrowers and the other Loan Parties. Except for notices, reports and other documents
expressly required to be furnished to the Lenders by the Administrative Agent herein, the
Administrative Agent shall not
have any duty or responsibility to provide any Lender with any credit or other information
concerning the business, prospects, operations, property, financial and other condition or
creditworthiness of any of the Loan Parties or any of their respective Affiliates which may come
into the possession of any Agent Related Person.

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

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

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          9.10. Successor Administrative Agent and Collateral Agent.

     (a) The Administrative Agent may resign as Administrative Agent and Collateral Agent upon 30
days’ notice to the Lenders with a copy of such notice to the Borrowers. If the Administrative
Agent resigns under this Agreement, the Required Lenders shall appoint from among the Lenders a
successor administrative agent and collateral agent for the Lenders which successor administrative
agent shall be consented to by the Borrowers at all times other than during the existence of an
Event of Default
(which consent of the Borrowers shall not be unreasonably withheld, conditioned or delayed).
If no successor administrative agent is appointed prior to the effective date of the resignation of
the Administrative Agent, the Administrative Agent may appoint, after consulting with the Lenders
and the Borrowers, a successor administrative agent from among the Lenders who shall also succeed
to the role of successor collateral agent. Upon the acceptance of its appointment as successor
administrative agent hereunder, such successor administrative agent shall succeed to all the
rights, powers and duties of the retiring Administrative Agent and the term “Administrative Agent”
shall mean such successor administrative agent and the retiring Administrative Agent’s appointment,
powers and duties as Administrative Agent shall be terminated. After any retiring Administrative
Agent’s resignation hereunder as Administrative Agent, the provisions of this Article IX and
Sections 10.04 and 10.13 shall inure to its benefit as to any actions taken or omitted to be taken
by it while it was Administrative Agent under this Agreement. If no successor administrative agent
has accepted appointment as Administrative Agent by the date which is 30 days following a retiring
Administrative Agent’s notice of resignation, the retiring Administrative Agent’s resignation shall
nevertheless thereupon become effective and the Lenders shall perform all of the duties of the
Administrative Agent and Collateral Agent hereunder until such time, if any, as the Required
Lenders appoint a successor agent as provided for above.

     (b) The Collateral Agent may resign as Collateral Agent upon 30 days’ notice to the
Administrative Agent with a copy of such notice to the Borrowers. If the Collateral Agent resigns
under this Agreement, the Administrative Agent shall designate a successor collateral agent. Upon
the acceptance of its appointment as successor collateral agent hereunder, such successor
collateral agent shall succeed to all the rights, powers and duties of the retiring Collateral
Agent and the term “Collateral Agent” shall mean such successor collateral agent and the retiring
Collateral Agent’s appointment, powers and duties as Collateral Agent shall be terminated. After
any retiring Collateral Agent’s resignation hereunder as Collateral Agent, the provisions of this
Article IX and Sections 10.04 and 10.13 shall inure to its benefit as to any actions taken or
omitted to be taken by it while it was Collateral Agent under this Agreement.

          9.11. Other Agents. None of the Lenders or other Persons identified on the facing page or signature pages of this
Agreement as a “syndication agent,” as a “documentation agent,” any other type of agent (other than
the Administrative Agent and Collateral Agent), shall have any right, power, obligation, liability,
responsibility or duty under this Agreement other than those applicable to all Lenders as such.
Without limiting the foregoing, none of the Lenders so identified shall have or be deemed to have
any fiduciary relationship with any Lender. Each Lender acknowledges that it has not relied, and
will not rely, on any of the Lenders so identified in deciding to enter into this Agreement or in
taking or not taking action hereunder.

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

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     (i) to file and prove a claim for the whole amount of the principal and interest owing
and unpaid in respect of the Loans and all other Obligations that are owing and unpaid and
to file such other documents as may be necessary or advisable in order to have the claims of
the Lenders
and the Administrative Agent (including any claim for the reasonable compensation,
expenses, disbursements and advances of the Lenders and the Administrative Agent and their
respective agents and counsel and all other amounts due the Lenders and the Administrative
Agent under Sections 10.04 and 10.05) allowed in such judicial proceeding; and

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

and any custodian, receiver, assignee, trustee, liquidator, sequestrator or other similar official
in any such judicial proceeding is hereby authorized by each Lender to make such payments to the
Administrative Agent and, in the event that the Administrative Agent shall consent to the making of
such payments directly to the Lenders, to pay to the Administrative Agent any amount due for the
reasonable compensation, expenses, disbursements and advances of the Administrative Agent and its
agents and counsel, and any other amounts due the Administrative Agent under Sections 2.08, 10.04
and 10.05.

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

          9.13. Hedging Agreements. To the extent any Affiliate of a Lender is a party to a Swap Contract with a Borrower or any
Borrower Affiliate and thereby becomes a beneficiary of the Liens pursuant to the Collateral
Document, such Affiliate of a Lender shall be deemed to appoint the Administrative Agent and
Collateral Agent its nominee and agent to act for and on behalf of such Affiliate in connection
with the Collateral Documents and to be bound by the terms of this Article IX, and Section
10.01(e).

ARTICLE X.

MISCELLANEOUS

          10.01. Amendments, Release of Collateral, Etc. (a) No amendment or waiver of any provision of this Agreement or any other Loan Document, and
no consent to any departure by the Borrowers or any other Loan Party therefrom shall be effective
to do any of the following unless in writing signed by the Required Lenders and the Borrowers or
the applicable Loan Party, as the case may be, and acknowledged by the Administrative Agent, and
each such waiver or consent shall be effective only in the specific instance and for the specific
purpose for which given; provided, however, that in connection with subsections (i), (ii) and (iii)
below, no such amendment, waiver or consent shall, unless in writing and signed by each of the
Lenders directly affected thereby and by the Borrowers, and acknowledged by the Administrative
Agent, and in connection with subsections (iv), (v), (vi) and (vii) below, no such amendment,
waiver or consent shall, unless in writing and signed by all of the Lenders and by the Borrowers,
and acknowledged by the Administrative Agent:

     (i) extend or increase the Term Loan Commitment of any Lender;

     (ii) extend the Maturity Date or extend, postpone or delay any date fixed by this
Agreement or any other Loan Document for any payment or mandatory prepayment of principal,
interest, fees or other amounts due to the Lenders (or any of them) hereunder or under any
other Loan Document;

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     (iii) reduce the principal of, or the rate of interest specified herein on, any Loan or
any fees or other amounts payable hereunder or under any other Loan Document; provided,
however, that only the consent of the Required Lenders shall be necessary to (A) amend the
definition of “Default Rate” or to waive any obligation of the Borrowers to pay interest at
the Default Rate or (B) to amend any financial covenant hereunder (or any defined term used
therein) even if the effect of such amendment would be to reduce the rate of interest on any
Loan or to reduce any fee payable hereunder;

     (iv) change the percentage of the aggregate unpaid principal amount of the Loans which
is set forth in the definition of “Required Lenders”;

     (v) change the Pro Rata Share of any Lender;

     (vi) release a material amount of Collateral or release any Guarantor from a Guaranty
(except in connection with a Disposition permitted under Section 7.07 or as otherwise
permitted under this Section 10.01, which shall not require any Lender consents other than
Lenders’ execution of this Agreement); or

     (vii) amend this Section, or Section 2.04 or 2.12, or any provision herein providing
for unanimous consent or other action by all the Lenders;

and, provided further: no amendment, waiver or consent shall, unless in writing and signed by the
Administrative Agent in addition to the Required Lenders or all the Lenders, as the case may be,
affect the rights or duties of the Administrative Agent under this Agreement or any other Loan
Document. Notwithstanding anything to the contrary herein, any Lender that has failed to fund any
portion of the Loans required to be funded by it hereunder shall not have any right to approve or
disapprove any amendment, waiver or consent hereunder, except that the Pro Rata Share of such
Lender may not be increased without the consent of such Lender.

The right of each Lender to receive in connection with the Loan owed to it interest on each
Interest Payment Date and to receive principal on the dates specified in Section 2.06 and on the
Maturity Date shall not be impaired or affected without the consent of such Lender, nor shall such
Lender’s right to institute suit against the Borrowers or Guarantors for payment of such amounts on
or after the due dates thereof be impaired or affected without the consent of such Lender; provided
the foregoing shall not give any Lender any right to proceed against Collateral or take any actions
described in Section 8.02 that are vested in the Administrative Agent or Required Lenders.

     (b) Any amendment to any Loan Document which purports to (i) decrease the amount of any
mandatory prepayment required by Section 2.04 or (ii) change this Section 10.01(b), must be by an
instrument in writing executed by the Borrowers, the Administrative Agent, and the Required
Lenders.

     (c) Upon any sale, transfer, or Disposition of Collateral which is permitted pursuant to the
Loan Documents, and upon 5 Business Days’ prior written request by the Borrowers (which request
must be accompanied by (i) true and correct copies of all material documents of transfer or
Disposition, including any contract of sale, (ii) a preliminary closing statement and instructions
to the title company, if any, (iii) all requested release instruments in form and substance
satisfactory to the Administrative Agent and (iv) if required, written consent of the requisite
Lenders), the Administrative Agent and/or Collateral Agent shall (and is hereby irrevocably
authorized by the Lenders to) execute such documents as may be necessary to evidence the release of
Liens granted to the Administrative Agent and/or Collateral Agent for the benefit of the Secured
Parties pursuant hereto in such Collateral. Neither the Administrative Agent nor the Collateral
Agent shall be required to execute any release instruments on terms which, in the

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Administrative Agent’s (or Collateral Agent’s) opinion, would expose the Administrative Agent
or Collateral Agent to liability or create any obligation or entail any consequence other than the
release of Liens without recourse or warranty. No such release shall impair the Administrative
Agent’s and/or Collateral Agent’s Lien on the proceeds of sale of such Collateral.

     (d) If all outstanding Loans and other Obligations (other than contingent indemnity
obligations) have been indefeasibly paid in full, and, subject to Section 10.01(e) all Lender
Hedging Agreement have terminated, the Administrative Agent agrees to, and the Lenders hereby
instruct the Administrative Agent and Collateral Agent to, at the Borrowers’ expense, execute and
authorize such releases of the Collateral Documents as the Borrowers shall reasonably request and
this Agreement shall be deemed terminated except that such termination shall not relieve the
Borrowers of any obligation to make any payments to the Administrative Agent or any Lender required
by any Loan Document to the extent accruing, or relating to an event occurring, prior to such
termination.

     (e) Notwithstanding any provision herein to the contrary, if the only outstanding Obligations
(other than contingent indemnity obligations) are amounts owed pursuant to one or more Lender
Hedging Agreements, the Administrative Agent and/or Collateral Agent will, and is hereby authorized
to, (A) release the Liens created under the Loan Documents and (B) release all Guaranties of the
Guarantors; provided, that contemporaneously with such release, (i) the Borrowers (and, if
applicable, any Borrower Affiliate that is a party to such Lender Hedging Agreements) (A) execute a
margin agreement in form and substance acceptable to such Lender(s) (or its Affiliates) that are
parties to such Lender Hedging Agreements (the “Lender Counterparties”) and (B), if required,
provide collateral in the form of cash or a letter of credit having an aggregate value acceptable
to such Lender Counterparties, and (ii) if such Lender Hedging Agreement is executed by a
Subsidiary of the Borrowers and the Borrowers are not parties thereto, the Borrowers execute a
guaranty covering such Subsidiary’s obligations thereunder, such guaranty to be in form and
substance satisfactory to the Lender Counterparties. Any release under this Section 10.01(e) must
be in writing and signed by the Administrative Agent.

     (f) The Lenders and the Administrative Agent hereby waive (i) notice of the Restructure
Transactions, (ii) any notice period requirements relating to the Restructure Transactions; (iii)
any contents of the notice or other requirements associated with notice relating to the Restructure
Transactions; (iv) any provisions of the Prior Midstream Credit Agreement in regards to the
Restructure Transactions that would have the effect of prohibiting any or all of the Restructure
Transactions; and (v) any amendment or termination of Material Agreements (as defined in the Prior
Credit Agreements) that occurs in connection with the Restructure Transactions.

          10.02. Notices and Other Communications; Facsimile Copies.

     (a) General. Unless otherwise expressly provided herein, all notices and other
communications provided for hereunder and under the other Loan Documents shall be in writing
(including by facsimile transmission) and mailed, faxed or delivered, to the address, facsimile
number or (subject to subsection (c) below) electronic mail address specified for notices on
Schedule 10.02 (for the Borrowers, any Guarantor and the Administrative Agent) or on the
Administrative Details Form (for the other Lenders); or, in the case of the Borrowers, the
Guarantors or the Administrative Agent, to such other address as shall be designated by such party
in a notice to the other parties, and in the case of any other party, to such other address as
shall be designated by such party in a notice to the Borrowers and the Administrative Agent. All
such notices and other communications shall be deemed to be given or made upon the earlier to occur
of (i) actual receipt by the intended recipient and (ii) (A) if delivered by hand or by courier,
when signed for by the intended recipient; (B) if delivered by mail, four Business Days after
deposit in the mails, postage prepaid; (C) if delivered by facsimile, when sent and receipt
has been confirmed by telephone; and (D) if delivered by electronic mail (which form of delivery is
subject to the

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provisions of subsection (c) below), when delivered; provided, however, that notices
and other communications to the Administrative Agent pursuant to Article II shall not be effective
until actually received by such Person. Any notice or other communication permitted to be given,
made or confirmed by telephone hereunder shall be given, made or confirmed by means of a telephone
call to the intended recipient at the number specified in accordance with this Section, it being
understood and agreed that a voicemail message shall in no event be effective as a notice,
communication or confirmation hereunder.

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

     (c) Limited Use of Electronic Mail. Electronic mail and internet and intranet
websites may be used only to distribute routine communications, such as financial statements and
other information, and to distribute Loan Documents for execution by the parties thereto, and shall
not be recognized hereunder for any other purpose.

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

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

          10.04. Attorney Costs; Expenses and Taxes. The Borrowers agree (a) to pay or reimburse the Administrative Agent for all reasonable costs
and expenses incurred in connection with the development, preparation, negotiation, syndication,
administration and execution of this Agreement and the other Loan Documents, including the filing,
recording, refiling or rerecording of any Mortgage, any pledge agreement and any Security Agreement
and/or any Uniform Commercial Code financing statements relating thereto and all amendments,
supplements and modifications to any thereof and any and all other documents or instruments of
further assurance required to be filed or recorded or refiled or rerecorded by the terms hereof or
of any mortgage,
any pledge agreement or any security agreement, and any amendment, waiver, consent or other
modification of the provisions hereof and thereof (whether or not the transactions contemplated
hereby or thereby are consummated), and the consummation and administration of the transactions
contemplated hereby and thereby, including all Attorney Costs and FA Costs and reasonable costs and
expenses in connection with the use of Intralinks, Inc. or other similar

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information transmission
systems in connection with this Agreement; provided however that all such costs and expenses,
Attorney Costs and FA Costs of the Administrative Agent and Lenders relating to this Agreement,
together with all such costs and expenses, Attorney Costs and FA Costs as defined in, and as
provided for in, the credit agreements of even date herewith relating to the Borrowing Base Credit
Facility and the Amended QRC Facility shall not exceed in the aggregate $1,000,000, and (b) to pay
or reimburse the Administrative Agent and each Lender for all costs and expenses incurred in
connection with the enforcement, attempted enforcement, or preservation of any rights or remedies
under this Agreement or the other Loan Documents (including all such costs and expenses incurred
during any workout or restructuring in respect of the Obligations and during any legal proceeding,
including any proceeding under any Debtor Relief Law), including all Attorney Costs and FA Costs.
The foregoing costs and expenses shall include all search, filing, recording, title insurance and
appraisal charges and fees and taxes related thereto, and other out-of-pocket expenses incurred by
the Administrative Agent and the cost of independent public accountants and other outside experts
retained by the Administrative Agent or any Lender (if such Lender is otherwise entitled to recover
such costs under the terms of this Agreement). The agreements in this Section shall survive the
repayment of all the Obligations.

          10.05. Indemnification. Whether or not the transactions contemplated hereby are consummated, each of the Borrowers and
each Guarantor (by execution of a Guaranty), jointly and severally, agrees to indemnify, save and
hold harmless each Agent-Related Person, the Administrative Agent, the Collateral Agent, each
Lender and their respective Affiliates, directors, officers, employees, counsel, agents and
attorneys-in-fact (collectively the “Indemnitees”) from and against: (a) any and all claims,
demands, actions or causes of
action that are asserted against any Indemnitee by any Person (other than the Administrative Agent
or any Lender) relating directly or indirectly to a claim, demand, action or cause of action that
such Person asserts or may assert against any Loan Party, any Affiliate of any Loan Party or any of
their respective officers or directors, arising out of or relating to, the Loan Documents, the Term
Loan Commitment, the use or contemplated use of the proceeds of any Loans, or the relationship of
any Loan Party, the Administrative Agent, the Collateral Agent and the Lenders under this Agreement
or any other Loan Document; (b) any and all claims, demands, actions or causes of action that may
at any time (including at any time following repayment of the Obligations and the resignation of
the Administrative Agent or the replacement of any Lender) be asserted or imposed against any
Indemnitee by any Person or by a Borrower or any other Loan Party, arising out of or relating to,
the Loan Documents, the Term Loan Commitment, the use or contemplated use of the proceeds of any
Loans, or the relationship of any Loan Party, the Administrative Agent, the Collateral Agent and
the Lenders under this Agreement or any other Loan Document; (c) without limiting the foregoing,
any and all claims, demands, actions or causes of action, judgments and orders, penalties and fines
that are asserted or imposed against any Indemnitee, (i) under the application of any Environmental
Law applicable to the Borrowers or any of their respective Subsidiaries (other than the Excluded
Subsidiaries) or any of their properties or assets, including the treatment or disposal of
Hazardous Substances on any of their properties or assets, (ii) as a result of the breach or
non-compliance by the Borrowers or any of their respective Subsidiaries (other than the Excluded
Subsidiaries) with any Environmental Law applicable to the Borrowers or any of their respective
Subsidiaries (other than the Excluded Subsidiaries), (iii) due to past ownership by the Borrowers
or any of their respective Subsidiaries (other than the Excluded Subsidiaries) of any of their
properties or assets or past activity on any of their properties or assets which, though lawful and
fully permissible at the time, could result in present liability, (iv) due to the presence, use,
storage, treatment or
disposal of Hazardous Substances on or under, or the escape, seepage, leakage, spillage, discharge,
emission or Release from, any of the properties owned or operated by the Borrowers or any of their
respective Subsidiaries (other than the Excluded Subsidiaries) (including any liability asserted or
arising under any Environmental Law), regardless of whether caused by, or within the control of,
the Borrowers or any of their respective Subsidiaries (other than the Excluded Subsidiaries), or
(v) due to any other environmental, health or safety condition in connection with the Loan
Documents; (d) any administrative or investigative proceeding by any Governmental Authority arising
out of or related to a

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claim, demand, action or cause of action described in subsection (a), (b) or
(c) above; and (e) any and all liabilities (including liabilities under indemnities), losses,
costs, damages or expenses (including Attorney Costs and settlement costs) that any Indemnitee
suffers or incurs as a result of the assertion of any foregoing claim, demand, action, cause of
action or proceeding, or as a result of the preparation of any defense in connection with any
foregoing claim, demand, action, cause of action or proceeding, in all cases, WHETHER OR NOT
ARISING OUT OF THE STRICT LIABILITY OR NEGLIGENCE OF AN INDEMNITEE, and whether or not an
Indemnitee is a party to such claim, demand, action, cause of action or proceeding (all the
foregoing, collectively, the “Indemnified Liabilities”); provided that such indemnity shall not, as
to any Indemnitees, be available to the extent that such liabilities, obligations, losses, damages,
penalties, claims, demands, actions, judgments, suits, costs, expenses or disbursements are
determined by a court of competent jurisdiction by final and nonappealable judgment to have
resulted from the gross negligence or willful misconduct of such Indemnitee. The agreements in
this Section shall survive repayment of all the Obligations.

          10.06. Payments Set Aside. To the extent that the Borrowers make a payment to the Administrative Agent or any Lender, or
the Administrative Agent or any Lender exercises its right of setoff, and such payment or the
proceeds of such set-off or any part thereof is subsequently invalidated, declared to be fraudulent
or preferential, set aside or required (including pursuant to any settlement entered into by the
Administrative Agent or such Lender in its discretion) to be repaid to a trustee, receiver or any
other party, in connection with any
proceeding under any Debtor Relief Law or otherwise, then (a) to the extent of such recovery, the
obligation or part thereof originally intended to be satisfied shall be revived and continued in
full force and effect as if such payment had not been made or such setoff had not occurred, and (b)
each Lender severally agrees to pay to the Administrative Agent upon demand its applicable share of
any amount so recovered from or repaid by the Administrative Agent, plus interest thereon from the
date of such demand to the date such payment is made at a rate per annum equal to the Federal Funds
Rate from time to time in effect.

          10.07. Successors and Assigns.

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

     (b) Any Lender may at any time assign to one or more Eligible Assignees all or a portion of
its rights and obligations under this Agreement (including all or a portion of its Loans at the
time owing to it); provided that:

except in the case of an assignment of the entire remaining amount of the assigning Lender’s Loans
at the time owing to it or in the case of an assignment to a Lender or an Affiliate of a Lender or
an Approved Fund with respect to a Lender, the aggregate amount of the outstanding principal
balance of the Loan of the assigning Lender subject to each such assignment (determined as of the
date the Assignment and Assumption with respect to such assignment is delivered to the
Administrative Agent or, if “Trade Date” is specified in the Assignment and

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Assumption, as of the
Trade Date) shall not be less than $5,000,000, unless each of the Administrative Agent and, so long
as no Event of Default has occurred and is continuing, the Borrowers otherwise consent (neither the
Administrative Agent’s nor Borrowers’ consent to be unreasonably withheld, conditioned or delayed);

     (i) each partial assignment shall be made as an assignment of a proportionate part of
all the assigning Lender’s rights and obligations under this Agreement with respect to the
Loan assigned;

     (ii) intentionally deleted; and

     (iii) the parties to each assignment shall execute and deliver to the Administrative
Agent an Assignment and Assumption, together with a processing and recordation fee of
$3,500, and the Eligible Assignee, if it shall not be a Lender, shall deliver to the
Administrative Agent an Administrative Details Form.

Subject to acceptance and recording thereof by the Administrative Agent pursuant to
paragraph (c) of this Section, from and after the effective date specified in each
Assignment and Assumption, the Eligible Assignee thereunder shall be a party to this
Agreement and, to the extent of the interest assigned by such Assignment and Assumption,
have the rights and obligations of a Lender under this Agreement, and the assigning Lender
thereunder shall, to the extent of the interest assigned by such Assignment and Assumption,
be released from its obligations under this Agreement (and, in the case of an Assignment and
Assumption covering all of the assigning Lender’s rights and obligations under this
Agreement, such Lender shall cease to be a party hereto) but shall continue to be entitled
to the benefits of Sections 3.07, 10.04 and 10.05 with respect to facts and circumstances
occurring prior to the effective date of such 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 (d) of this
Section.

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

     (d) Any Lender may at any time, without the consent of, or notice to, the Borrowers or the
Administrative Agent, sell participations to any Person (other than a natural person or the
Borrowers or any of the Borrowers’ Affiliates or Subsidiaries) (each, a “Participant”) in all or a
portion of such Lender’s rights and/or obligations under this Agreement (including all or a portion
of 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 Borrowers, the Administrative Agent and the other
Lenders shall continue to deal solely and directly with such Lender in connection with such
Lender’s rights and obligations under this Agreement. Any agreement or instrument pursuant to
which a Lender sells such a participation shall provide that such

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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 that would (i) postpone any date upon which any payment of money is scheduled to be paid to
such Participant, (ii) reduce the principal, interest, fees or other amounts payable to such
Participant, or (iii) release Parent from its Guaranty. Subject to subsection (e) of this Section,
the Borrowers agree that each Participant shall be entitled to the benefits of Sections 3.01, 3.04
and 3.05 to the same extent as if it were a Lender and had acquired its interest by assignment
pursuant to subsection (b) of this Section; provided said Participant agrees to be subject to
Sections 3.08 and 10.15 as though it were a Lender. To the extent permitted by Law, each
Participant also shall be entitled to the benefits of Section 10.09 as though it were a Lender;
provided such Participant agrees to be subject to Section 2.12 as though it were a Lender.

     (e) A Participant shall not be entitled to receive any greater payment under Section 3.01 or
3.04 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 Borrowers’ 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 3.01 unless the Borrowers are notified of the
participation sold to such Participant and such Participant agrees, for the benefit of the
Borrowers, to comply with Section 3.01 as though it were a Lender.

     (f) Any Lender may at any time pledge or assign a security interest in all or any portion of
its rights under this Agreement (including under its Notes, if any) to secure obligations of such
Lender, including any pledge or assignment to secure obligations to a Federal Reserve Bank;
provided that no such pledge or assignment shall release a Lender from any of its obligations
hereunder or substitute any such pledgee or assignee for such Lender as a party hereto.

     (g) If the consent of the Borrowers to an assignment or to an Eligible Assignee is required
hereunder (including a consent to an assignment which does not meet the minimum assignment
threshold specified in clause (i) of the proviso to the first sentence of Section 10.07(b)), the
Borrowers shall be deemed to have given their consent five Business Days after the date notice
thereof has been delivered by the assigning Lender (through the Administrative Agent) unless such
consent is expressly refused by the Borrowers prior to such fifth Business Day.

          10.08. Confidentiality. Each Lender agrees that it will not disclose without the prior consent of the Borrowers (other
than to directors, officers, employees, auditors, accountants, counsel or other professional
advisors of the Administrative Agent or any Lender) any information with respect to the Borrowers
or any of their
respective Subsidiaries, which is furnished pursuant to this Agreement; provided that any Lender
may disclose any such information (a) as has become generally available to the public, (b) as may
be required or appropriate in any report, statement or testimony submitted to or required by any
municipal, state or federal regulatory body having or claiming to have jurisdiction over such
Lender or submitted to or required by the Board or the Federal Deposit Insurance Corporation or
similar organizations (whether in the United States or elsewhere) or their successors, (c) as may
be required or appropriate in response to any summons or subpoena in connection with any
litigation, (d) in order to comply with any law, order, regulation or ruling applicable to such
Lender, (e) to any Eligible Assignee of or Participant in, or any prospective Eligible Assignee of
or Participant in, any of its rights or obligations under this Agreement; provided that such
Eligible Assignee or Participant or prospective Eligible Assignee or Participant executes an
agreement containing provisions substantially similar to those contained in this Section 10.08, (f)
in connection with the exercise of any remedy by such Lender if an Event of Default pertaining to
the Loan Documents has occurred and is continuing, (g) in connection with any litigation involving
such Lender pertaining to the Loan Documents, (h) to any Lender or the

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Administrative Agent, or (i)
to any Affiliate of any Lender (it being understood that the Persons to whom such disclosure is
made will be informed of the confidential nature of such information and obligated to keep such
information confidential).

          10.09. Set-off. In addition to any rights and remedies of the Lenders provided by Law, upon the occurrence and
during the continuance of any Event of Default, each Lender is authorized at any time and from time
to time, without prior notice to the Borrowers or any Guarantor, any such notice being waived by
the Borrowers (each on its own behalf and on behalf of Guarantor) 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 by, and other indebtedness at any time owing by, such Lender to or for
the credit or the account of the Borrowers or Guarantor, as applicable, against any and all
Obligations owing to the Administrative Agent and the Lenders, now or hereafter existing,
irrespective of whether or not the Administrative Agent or such Lender shall have made demand under
this Agreement or any other Loan Document and although
such Obligations may be contingent or unmatured. Each Lender agrees promptly to notify the
Borrowers and the Administrative Agent after any such set-off and application made by such Lender;
provided, however, that the failure to give such notice shall not affect the validity of such
set-off and application.

          10.10. Interest Rate Limitation. Regardless of any provision contained in any Loan Document, neither the Administrative Agent nor
any Lender shall ever be entitled to contract for, charge, take, reserve, receive, or apply, as
interest on all or any part of the Obligations, any amount in excess of the Maximum Rate, and, if
any Lender ever does so, then such excess shall be deemed a partial prepayment of principal and
treated hereunder as such and any remaining excess shall be refunded to the Borrowers. In
determining if the interest paid or payable exceeds the Maximum Rate, the Borrowers and the Lenders
shall, to the maximum extent permitted under applicable Law, (a) treat all Borrowings as but a
single extension of credit, (b) characterize any nonprincipal payment as an expense, fee, or
premium rather than as interest, (c) exclude voluntary prepayments and the effects thereof, and (d)
amortize, prorate, allocate, and spread the total amount of interest throughout the entire
contemplated term of the Obligations. However, if the Obligations are paid and performed in full
prior to the end of the full contemplated term thereof, and if the interest received for the actual
period of existence thereof exceeds the Maximum Amount, the Lenders shall refund such excess, and,
in such event, the Lenders shall not, to the extent permitted by Law, be subject to any penalties
provided by any Laws for contracting for, charging, taking, reserving or receiving interest in
excess of the Maximum Amount.

          10.11. Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed an
original, but all of which together shall constitute one and the same agreement. Delivery of an
executed counterpart of a signature page of this Agreement by telecopy, facsimile, photocopy or by
sending a scanned copy by electronic mail shall be effective as delivery of a manually executed
counterpart of this Agreement. Any signature page of a counterpart may be detached therefrom
without impairing the legal effect of the signatures thereon and attached to another counterpart
identical in form thereto but having attached to it one or more additional signature pages signed
by other parties.

          10.12. Integration. This Agreement, together with the other Loan Documents, comprises the complete and integrated
agreement of the parties on the subject matter hereof and thereof and supersedes all prior
agreements, written or oral, on such subject matter. In the event of any conflict between the
provisions of this Agreement and those of any other Loan Document, the provisions of this Agreement
shall control; provided that the inclusion of supplemental rights or remedies in favor of the
Administrative Agent or the Lenders in any other Loan Document shall not be deemed a conflict with
this Agreement. Each Loan Document was drafted with the joint participation of the respective
parties thereto

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and shall be construed neither against nor in favor of any party, but rather in
accordance with the fair meaning thereof.

          10.13. Survival of Representations and Warranties. All representations and warranties made hereunder and in any other Loan Document or other
document delivered pursuant hereto or thereto or in connection herewith or therewith shall survive
the execution and delivery hereof and thereof. Such representations and warranties have been or
will be relied upon by the Administrative Agent and each Lender, regardless of any investigation
made by the Administrative Agent or any Lender or on their behalf and notwithstanding that the
Administrative Agent or any Lender may
have had notice or knowledge of any Default or Event of Default at the time of any Borrowing, and
shall continue in full force and effect as long as any Loan or any other Obligation shall remain
unpaid or unsatisfied.

          10.14. Severability. Any provision of this Agreement and the other Loan Documents to which any Borrower is a party
that is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be
ineffective to the extent of such prohibition or unenforceability without invalidating the
remaining provisions thereof, and any such prohibition or unenforceability in any jurisdiction
shall not invalidate or render unenforceable such provision in any other jurisdiction.

          10.15. Replacement of Lenders. If (i) any Lender fails or refuses to consent to any requested amendment or waiver pursuant to
Section 10.01, (ii) any Lender requests compensation under Section 3.04, or if the Borrowers are
required to pay any additional amount to any Lender or any Governmental Authority for the account
of any Lender pursuant to Section 3.01, (iii) any Lender is in breach of any of its obligations
under this Agreement or is otherwise a Defaulting Lender, or (iv) any other circumstance exists
hereunder that gives the Borrowers the right to replace a Lender as a party hereto, then the
Borrowers may, at their 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, and consents required
by, Section 10.07), all of its interests, rights and obligations under this Agreement and the
related Loan Documents to an Eligible Assignee that shall assume such obligations (which assignee
may be another Lender, if a Lender accepts such assignment); provided that:

     (a) the Borrowers shall have paid to the Administrative Agent the assignment fee specified in
Section 10.07(b)(iii);

     (b) such Lender shall have received payment of an amount equal to the outstanding principal of
its Loans, accrued interest thereon, accrued fees and all other amounts payable to it hereunder and
under the other Loan Documents (including any amounts under Section 3.05) from the assignee (to the
extent of such outstanding principal and accrued interest and fees) or the Borrowers (in the case
of all other amounts) such payment being at par, with no premium or discount;

     (c) in the case of any such assignment resulting from a claim for compensation under Section
3.04 or payments required to be made pursuant to Section 3.01, such assignment will result in a
reduction in such compensation or payments thereafter; and

     (d) such assignment does not conflict with applicable Laws.

     A Lender shall not be required to make any such assignment or delegation if, prior thereto, as
a result of a waiver by such Lender or otherwise, the circumstances entitling the Borrowers to
require such assignment and delegation cease to apply.

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          10.16. Defaulting Lender.

     (a) Notwithstanding anything to the contrary contained in this Agreement, if any Lender
becomes a Defaulting Lender, then, until such time as that Lender is no longer a Defaulting Lender,
to the extent permitted by applicable law:

     (i) That Defaulting Lender’s right to approve or disapprove any amendment, waiver or
consent with respect to this Agreement shall be restricted.

     (ii) Any payment of principal, interest, fees or other amounts received by the
Administrative Agent for the account of that Defaulting Lender (whether voluntary or
mandatory, at maturity, pursuant to Section 2.04 (Prepayments) or otherwise, and including
any amounts made available to the Administrative Agent by the Defaulting Lender pursuant to
a right of set-off, shall be applied at such time or times as may be determined by the
Administrative Agent as follows:

first, to the payment of any amounts owing by that Defaulting Lender to the Administrative
Agent hereunder;

second, as the Borrowers may request (so long as no Default or Event of Default exists), to
the funding of any Loan in respect of which that Defaulting Lender has failed to fund its
portion thereof as required by this Agreement, as determined by the Administrative Agent;

third, if so determined by the Administrative Agent and the Borrowers, to be held in a
deposit account and released in order to satisfy obligations of that Defaulting Lender to
fund Loans under this Agreement;
fourth, to the payment of any amounts owing to the Lenders as a result of any judgment of a
court of competent jurisdiction obtained by any Lender against that Defaulting Lender as a
result of that Defaulting Lender’s breach of its obligations under this Agreement;

fifth, so long as no Default or Event of Default exists, to the payment of any amounts owing
to the Borrowers as a result of any judgment of a court of competent jurisdiction obtained
by the Borrowers against that Defaulting Lender as a result of that Defaulting Lender’s
breach of its obligations under this Agreement; and

sixth, to that Defaulting Lender or as otherwise directed by a court of competent
jurisdiction; provided that if such payment is a payment of the principal amount of any
Loans or reimbursement obligations in respect of which that Defaulting Lender has not fully
funded its appropriate share, such payment shall be applied solely to pay the Loans of, and
reimbursement obligations owed to, all non-Defaulting Lenders on a pro rata basis prior to
being applied to the payment of any Loans of, or reimbursement obligations owed to, that
Defaulting Lender.

Any payments, prepayments or other amounts paid or payable to a Defaulting Lender that are applied
(or held) to pay amounts owed by a Defaulting Lender or to post cash collateral pursuant to this
Section 10.16 shall be deemed paid to and redirected by that Defaulting Lender, and each Lender
irrevocably consents hereto.

     (b) If the Borrowers and the Administrative Agent agree in writing in their sole discretion
that a Defaulting Lender should no longer be deemed to be a Defaulting Lender, the Administrative
Agent will so notify the parties hereto, whereupon as of the effective date specified in such
notice and subject to

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any conditions set forth therein (which may include arrangements with respect
to any cash collateral), that Lender will, to the extent applicable, purchase that portion of
outstanding Loans of the other Lenders or take such other actions as the Administrative Agent may
determine to be necessary to cause the Loans to be held on a pro rata basis by the Lenders in
accordance with their ratable portions, whereupon that Lender will cease to be a Defaulting Lender;
provided that no adjustments will be made retroactively with respect to fees accrued or payments
made by or on behalf of the Borrowers while that Lender was a Defaulting Lender; and provided,
further, that except to the extent otherwise expressly agreed by the affected parties, no change
hereunder from Defaulting Lender to Lender will constitute a waiver or release of any claim of any
party hereunder arising from that Lender’s having been a Defaulting Lender.

     (c) If any Lender is a Defaulting Lender, then the Borrowers may, at their sole expense and
effort, upon notice to such Lender and the Administrative Agent, require such Lender to be replaced
in accordance with Section 10.15.

          10.17. Governing Law.

     (a) THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAW OF THE
STATE OF NEW YORK APPLICABLE TO AGREEMENTS MADE AND TO BE PERFORMED ENTIRELY WITHIN SUCH STATE;
PROVIDED THAT THE ADMINISTRATIVE AGENT AND EACH LENDER SHALL RETAIN ALL RIGHTS ARISING
UNDER UNITED STATES FEDERAL LAW.

     (b) EACH COMPANY AND OTHER PARTY HERETO, AND EACH GUARANTOR, BY EXECUTION OF A GUARANTY,
AGREES TO THIS SECTION 10.17(b). ANY LEGAL ACTION
OR PROCEEDING WITH RESPECT TO THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT MAY BE BROUGHT IN THE
COURTS OF THE STATE OF NEW YORK SITTING IN THE BOROUGH OF NEW YORK OR OF THE UNITED STATES FOR THE
SOUTHERN DISTRICT OF NEW YORK AND APPELLATE COURTS FROM ANY THEREOF, AND BY EXECUTION AND DELIVERY
OF THIS AGREEMENT, THE BORROWERS, THE ADMINISTRATIVE AGENT AND EACH LENDER CONSENTS, AND BY
EXECUTION OF A GUARANTY, EACH GUARANTOR CONSENTS, FOR ITSELF AND IN RESPECT OF ITS PROPERTY, TO THE
NON-EXCLUSIVE JURISDICTION OF THOSE COURTS. THE BORROWERS, EACH GUARANTOR, THE ADMINISTRATIVE
AGENT AND EACH LENDER (1) IRREVOCABLY WAIVES ANY OBJECTION, INCLUDING ANY OBJECTION TO THE LAYING
OF VENUE OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER HAVE TO THE
BRINGING OF ANY ACTION OR PROCEEDING IN SUCH JURISDICTION IN RESPECT OF ANY LOAN DOCUMENT OR OTHER
DOCUMENT RELATED THERETO, AND (2) IRREVOCABLY CONSENTS TO THE SERVICE OF PROCESS OUT OF ANY OF THE
AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE MAILING OF COPIES THEREOF BY
CERTIFIED MAIL, RETURN RECEIPT REQUESTED, POSTAGE PREPAID, AT ITS ADDRESS FOR NOTICES DESIGNATED
HEREIN. THE BORROWERS, EACH GUARANTOR, THE ADMINISTRATIVE AGENT AND EACH LENDER WAIVES PERSONAL
SERVICE OF ANY SUMMONS, COMPLAINT OR OTHER PROCESS, WHICH MAY BE MADE BY ANY OTHER MEANS PERMITTED
BY THE LAW OF SUCH STATE.

          10.18. Waiver of Right to Trial by Jury, Etc.
EACH PARTY TO THIS AGREEMENT AND EACH GUARANTOR, BY EXECUTION OF A GUARANTY, HEREBY (a)
EXPRESSLY AND IRREVOCABLY WAIVES ANY RIGHT TO TRIAL BY JURY OF ANY CLAIM, DEMAND, ACTION OR CAUSE
OF ACTION ARISING UNDER ANY LOAN DOCUMENT OR IN ANY WAY CONNECTED WITH OR RELATED OR INCIDENTAL TO
THE DEALINGS OF THE PARTIES TO THE LOAN DOCUMENTS OR ANY OF THEM WITH RESPECT TO ANY LOAN

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DOCUMENT,
OR THE TRANSACTIONS RELATED THERETO, IN EACH CASE WHETHER NOW EXISTING OR HEREAFTER ARISING, AND
WHETHER FOUNDED IN CONTRACT OR TORT OR OTHERWISE; AND EACH PARTY HEREBY AGREES AND CONSENTS THAT
ANY SUCH CLAIM, DEMAND, ACTION OR CAUSE OF ACTION SHALL BE DECIDED BY COURT TRIAL WITHOUT A JURY,
AND THAT ANY PARTY TO THIS AGREEMENT MAY FILE AN ORIGINAL COUNTERPART OR A COPY OF THIS SECTION
WITH ANY COURT AS WRITTEN EVIDENCE OF THE CONSENT OF EACH PARTY TO THIS AGREEMENT AND EACH
GUARANTOR TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY; AND (b) EXPRESSLY AND IRREVOCABLY WAIVES,
TO THE MAXIMUM EXTENT NOT PROHIBITED BY LAW, ANY RIGHT IT MAY HAVE TO CLAIM OR RECOVER IN ANY SUCH
ACTION ANY SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES, OR DAMAGES OTHER THAN, OR IN
ADDITION TO, ACTUAL DAMAGES; PROVIDED THAT THE WAIVER CONTAINED IN THIS SECTION 10.178 SHALL NOT
APPLY TO THE EXTENT THAT THE PARTY AGAINST WHOM DAMAGES ARE SOUGHT HAS ENGAGED IN GROSS NEGLIGENCE
OR WILLFUL MISCONDUCT.

          10.19. Release. As additional consideration for the execution, delivery and performance of this Agreement by
the parties hereto and to induce the Administrative Agent, the Collateral Agent and the Lenders to
enter into this Agreement, the Borrowers warrant and represent to the Administrative Agent, the
Collateral Agent and the Lenders that no facts, events, statuses or conditions exist or have
existed which, either now or with the passage of time or giving of notice, or both, constitute or
will constitute a basis for any claim
or cause of action against the Administrative Agent, the Collateral Agent or any Lender or any
defense to (i) the payment of Obligations under the Notes and/or the Loan Documents, or (ii) the
performance of any of its obligations with respect to the Notes and/or the Loan Documents. In the
event any such facts, events, statuses or conditions exist or have existed, Borrowers
unconditionally and irrevocably hereby RELEASE, RELINQUISH and forever DISCHARGE Administrative
Agent, the Collateral Agent and the Lenders, as well as their predecessors, successors, assigns,
agents, officers, directors, shareholders, employees and representatives, of and from any and all
claims, demands, actions and causes of action of any and every kind or character, past or present,
which any Borrower may have against any of them or their predecessors, successors, assigns, agents,
officers, directors, shareholders, employees and representatives arising out of or with respect to
(a) any right or power to bring any claim for usury or to pursue any cause of action based on any
claim of usury, and (b) any and all transactions relating to the Loan Documents occurring prior to
the date hereof, including any loss, cost or damage, of any kind or character, arising out of or in
any way connected with or in any way resulting from the acts, actions or omissions of any of them,
and their predecessors, successors, assigns, agents, officers, directors, shareholders, employees
and representatives, including any breach of fiduciary duty, breach of any duty of fair dealing,
breach of confidence, breach of funding commitment, undue influence, duress, economic coercion,
conflict of interest, negligence, bad faith, malpractice, intentional or negligent infliction of
mental distress, tortious interference with contractual relations, tortious interference with
corporate governance or prospective business advantage, breach of contract, deceptive trade
practices, libel, slander or conspiracy, but in each case only to the extent permitted by
applicable Law.

          10.20. Time of the Essence. Time is of the essence of the Loan Documents.

          10.21. Release of Second Priority Liens. The Administrative Agent and the Lenders agree to release and discharge, from any Lien securing
the Indebtedness under this Agreement, the second priority Liens on the Borrowing Base Oil and Gas
Properties and Bluestem Gathering System, contemporaneously with the release of the first priority
Lien held thereon by RBC as collateral agent (or its successor) for the benefit of the lenders
party to the Borrowing Base Credit Facility.

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          10.22. Amendment and Restatement. (a) Pursuant to the Assignment of Midstream Notes, Liens and Security Interest, on the
Closing Date, $89,001,098.16 of the outstanding amount of principal and interest owing by PESC and
MidContinent (f/k/a Bluestem) under the Prior Midstream Credit Agreement and the notes issued
pursuant thereto have been refinanced, renewed, rearranged and extended by loans under the
Borrowing Base Credit Facility.

     (b) This Agreement amends and restates in part the Prior Midstream Credit Agreement. The
Notes amend, restate, rearrange, extend and renew the principal balance of $15,000,000 of
Indebtedness previously outstanding under the Prior Midstream Credit Agreement and not assigned
pursuant to the Assignment of Midstream Notes, Lien and Security Interest. All Liens created and
existing under the Prior Midstream Credit Agreement shall continue in force and effect to secure
the Obligations of the Borrowers to the Lenders pursuant to the Notes and this Agreement, and each
Borrower hereby ratifies, adopts and confirms all such prior Liens.

          10.23. Termination of Revolving Commitments Under Prior Midstream Credit Agreement. As of the Closing Date, the $1,000,000 revolving commitment under the Prior Midstream Credit
Agreements is hereby terminated and the Administrative Agent and the Lenders hereby waive any right
to receive prior notice of such termination. Each Lender agrees upon the Closing Date to return to
the Borrowers with reasonable promptness all “Notes” as defined under the Prior Midstream Credit
Agreement which were delivered by the Borrowers (or any of their predecessors) in exchange for new
Notes to be issued pursuant to this Agreement.

          10.24. No Novation, Etc. (a) To the extent of $15,000,000, nothing contained herein shall be deemed a novation of or a
repayment or new advance of any obligation of Borrowers thereunder. The Indebtedness owing under
the Prior Midstream Credit Agreement is renewed, rearranged, extended and carried forward by this
Agreement (to the extent aforesaid) and all of the Liens securing the “Obligations” as defined in
the Prior Midstream Credit Agreement are carried forward and (to the extent not assigned to RBC as
administrative agent and collateral agent for the lenders party to the Borrowing Base Credit
Facility) secure, without interruption or loss or priority, the Obligations under this Agreement.

          10.25. Joint and Several Liability. (a) Each of the Borrowers acknowledges and agrees that it is the intent of the parties that
each such Borrower be primarily liable for the Obligations as a joint and several obligor. It is
the intention of the parties that with respect to liability of any Borrower hereunder arising
solely by reason of its being jointly
and severally liable for the Loans, the obligations of such Borrower shall be absolute,
unconditional and irrevocable irrespective of:

     (i) any lack of validity, legality or enforceability of this Agreement, any Note, or
any other Loan Document as to any Borrower, as the case may be;

     (ii) the failure of the Administrative Agent, Collateral Agent or any Lender or any
holder of any Note;

     (a) to enforce any right or remedy against any Borrower, as the case may be, or
any other Person (including any Guarantor) under the provisions of this Agreement,
such Note, any other Loan Document or otherwise; or

     (b) to exercise any right or remedy against any Guarantor of, or Collateral
securing, the Obligations;

     (iii) any change in the time, manner or place of payment of, or in any other term of,
all or any of the Obligations, or any other extension, compromise or renewal of any
Obligations;

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     (iv) any reduction, limitation, impairment or termination of any Obligations with
respect to any Borrower, as the case may be, for any reason, including any claim of waiver,
release, surrender, alteration or compromise, and shall not be subject to (and each of the
Borrowers hereby waives any right to or claim of) any defense (other than the defense of
payment in full of the Obligations) or setoff, counterclaim, recoupment or termination
whatsoever by reason of the invalidity, illegality, nongenuineness, irregularity,
compromise, unenforceability of, or any other event or occurrence affecting, any Obligations
with respect to any Borrower, as the case may be;

     (v) any addition, exchange, release, surrender or nonperfection of any Collateral, or
any amendment to or waiver or release or addition of, or consent to departure from, any
Guaranty, held by any Lender or any holder of the Notes or any security interest or Lien
securing any of the Obligations; or

     (vi) any other circumstance which might otherwise constitute a defense (other than the
defense of payment in full of the Obligations) available to, or a legal or equitable
discharge of, any Borrower, as the case may be, or any Guarantor.

     (b) Each of the Borrowers agrees that its joint and several liability hereunder shall continue
to be effective or be reinstated, as the case may be, if at any time any payment (in whole or in
part) of any of the Obligations is rescinded or must be restored by any Lender or any holder of any
Note, upon the insolvency, bankruptcy or reorganization of any Borrower, as the case may be, as
though such payment had not been made;

     (c) Each of the Borrowers hereby expressly waives: (i) notice of the Lenders’ acceptance of
this Agreement; (ii) notice of the existence or creation or non-payment of all or any of the
Obligations other than notices expressly provided for in this Agreement; (iii) presentment, demand,
notice of dishonor, protest, and all other notices whatsoever other than notices expressly provided
for in this Agreement; (iv) any claim or defense based on an election of remedies; and (v) all
diligence in collection or protection of or realization upon the Obligations or any part thereof,
any obligation hereunder, or any security for or guaranty of any of the foregoing.

     (d) No delay on any of the Administrative Agent’s, Collateral Agent’s or any Secured Party’s
part in the exercise of any right or remedy shall operate as a waiver thereof, and no single or
partial exercise by any of the foregoing of any right or remedy shall preclude other or further
exercise thereof or the exercise of any other right or remedy. No action of any of the
Administrative Agent, Collateral Agent or Secured Parties permitted hereunder shall in any way
affect or impair any such party’s rights or any Obligations under this Agreement.

     (e) Each of the Borrowers hereby represents and warrants to each of the Administrative Agent
and Lenders that it now has and will continue to have independent means of obtaining information
concerning the other Borrower’s affairs, financial condition and business. Neither the
Administrative Agent nor any Lender shall have any duty or responsibility to provide any Borrower
with any credit or other information concerning such other Borrower’s affairs, financial condition
or business which may come into the Administrative Agent’s or Lender’s possession.

     (f) Each of the Borrowers represents and warrants (i) that the business operations of the
Borrowers are interrelated and that the business operations of the Borrowers complement one
another, and such entities have a common business purpose, and (ii) that, to permit their
uninterrupted and continuous operations, such entities now require and will from time to time
hereafter require funds and credit accommodations for general business purposes and (iii) that the
proceeds of Loans hereunder will

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directly or indirectly benefit the Borrowers hereunder, severally
and jointly, regardless of which Borrower receives part or all of the proceeds of such Loans.

     (g) Notwithstanding anything to the contrary contained herein, it is the intention of the
Borrowers, the Administrative Agent and the Lenders that the amount of the respective Borrower’s
obligations hereunder shall be in, but not in excess of, the maximum amount thereof not subject to
avoidance or recovery by operation of any applicable Debtor Relief Law. To that end, but only in
the event and to the extent that the Borrowers’ respective obligations hereunder or any payment
made pursuant thereto would, but for the operation of the foregoing proviso, be subject to
avoidance or recovery
under any applicable Debtor Relief Law, the amount of the Borrowers’ respective obligations
hereunder shall be limited to the largest amount which, after giving effect thereto, would not,
under applicable Debtor Relief Laws, render the Borrower’s respective obligations hereunder
unenforceable or avoidable or subject to recovery under applicable Debtor Relief Laws. To the
extent any payment actually made hereunder exceeds the limitation contained in this Section
10.25(g), then the amount of such excess shall, from and after the time of payment by the Borrowers
(or any of them), be reimbursed by the Lenders upon demand by such Borrowers. The foregoing
proviso is intended solely to preserve the rights of the Administrative Agent and the Lenders
hereunder against the Borrowers to the maximum extent permitted by applicable Debtor Relief Laws
and neither any Borrower nor any Guarantor nor any other Person shall have any right or claim under
this Section 10.25(g) that would not otherwise be available under applicable Debtor Relief Laws.

          10.26. ENTIRE AGREEMENT. THIS AGREEMENT AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT BETWEEN THE PARTIES
AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF
THE PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.

SIGNATURE PAGES FOLLOW.

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IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed as of the
date first above written.

	 	 	 	 	 	 	 	 	 

	 	 	POSTROCK ENERGY SERVICES CORPORATION,

a Delaware corporation, as a Borrower	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	By:	 	/s/ David C. Lawler	 	 
	 	 	 	 	 	 	 
	 	 	 	 	David C. Lawler, President and Chief Executive Officer	 	 
	 
	 	 	 	 	 	 	 	 
	 	 	POSTROCK KPC PIPELINE, LLC,

a Delaware limited liability company, as a Borrower,	 	 
	 
	 	 	 	 	 	 	 	 
	 	 	By:	 	POSTROCK ENERGY SERVICES CORPORATION,

its sole member	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	 	 	By:	 	/s/ David C. Lawler	 	 
	 

	 	 	 	 	 	 

David C. Lawler, President
	 	 
	 

	 	 	 	 	 	and Chief Executive Officer	 	 

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Signature Page 1

 

 

	 	 	 	 	 	 	 

	 	 	ROYAL BANK OF CANADA,

as Administrative Agent and Collateral Agent	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ Susan Khokher
	 	 
	 

	 	Name:	 	Susan Khokher

	 	 
	 

	 	Title:
	 	Manager, Agency

	 	 

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Signature Page 2

 

 

	 	 	 	 	 	 	 

	 	 	ROYAL BANK OF CANADA, as Lender	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ Leslie P. Vowell	 	 
	 

	 	Name:
	 	 
Leslie
P. Vowell
	 	 
	 

	 	Title:
	 	 
Attorney-in-Fact
	 	 
	 

	 	 	 	 

	 	 

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Signature Page 3

 

 

	 	 	 	 	 	 	 

	 	 	SUNTRUST BANK, as Lender	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ Janet R. Naifeh	 	 
	 

	 	Name:
	 	 
Janet
R. Naifeh
	 	 
	 

	 	Title:
	 	 
Senior
Vice President
	 	 
	 

	 	 	 	 

	 	 

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Signature Page4

 

 

	 	 	 	 	 	 	 

	 	 	KEYBANK NATIONAL ASSOCIATION,

as Lender	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ Robert F. Pollis, Jr.	 	 
	 

	 	Name:
	 	 
Robert
F. Pollis, Jr.
	 	 
	 

	 	Title:
	 	 
Senior
Vice President
	 	 
	 

	 	 	 	 

	 	 

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Credit Agreement

Signature Page 5

 

 

	 	 	 	 	 	 	 

	 	 	WELLS FARGO BANK, N.A.,	 	 
	 	 	as Lender	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ Ronald F. Bentien, Jr.	 	 
	 

	 	Name:
	 	 
Ronald
F. Bentien, Jr.
	 	 
	 

	 	 	 	 	 	 
	 

	 	Title:	 	Director	 	 
	 

	 	 	 	 	 	 

$15 MM

Credit Agreement

Signature Page 6

 

 

	 	 	 	 	 	 	 

	 	 	AMEGY BANK NATIONAL ASSOCIATION,	 	 
	 	 	as Lender	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
Terry Owen McCarter
	 	 
	 

	 	Name:
	 	Terry
Owen McCarter

	 	 
	 

	 	Title:	 	Senior
Vice President
	 	 

$15 MM

Credit Agreement

Signature
Page 7

 

 

	 	 	 	 	 	 	 

	 	 	COMERICA BANK, as Lender	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ James A. Morgan	 	 
	 

	 	Name:
	 	 
James
A. Morgan
	 	 
	 

	 	 	 	 	 	 
	 

	 	Title:	 	Vice President	 	 
	 

	 	 	 	 	 	 

$15 MM

Credit Agreement

Signature
Page 8

 

 

	 	 	 	 	 	 	 

	 	 	COMPASS BANK, as Lender	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ John W. Wood	 	 
	 

	 	Name:
	 	 
John
W. Wood
	 	 
	 

	 	 	 	 	 	 
	 

	 	Title:	 	Vice President	 	 
	 

	 	 	 	 	 	 

$15 MM

Credit Agreement

Signature
Page 9

 

 

	 	 	 	 	 	 	 

	 	 	BNP PARIBAS,	 	 
	 	 	as Lender	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
Larry Robinson
	 	 
	 

	 	Name:
	 	Larry Robinson

	 	 
	 

	 	Title:	 	Director
	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
Betsy Jocher
	 	 
	 

	 	Name:
	 	Betsy Jocher

	 	 
	 

	 	Title:	 	Director
	 	 

$15 MM

Credit Agreement

Signature
Page 10

 

 

EXHIBIT A-1

FORM OF BORROWING NOTICE

Date: __________, _____

To: Royal Bank of Canada, as Administrative Agent

Ladies and Gentlemen:

     Reference is made to that certain Second Amended and Restated Credit Agreement, dated as of
___, 2010 (as amended, restated, extended, supplemented or otherwise modified in writing from
time to time, the “Agreement;” the terms defined therein being used herein as therein defined),
among PostRock Energy Services Corporation, a Delaware corporation, and PostRock KPC Pipeline, LLC,
a Delaware limited liability company (collectively, the “Borrowers”), and Royal Bank of Canada, as
Administrative Agent, and the Lenders from time to time party thereto.

     The undersigned hereby requests:

	I.	 	$15,000,000 TERM LOAN FACILITY

	 	1.	 	Status Information for the Facility

	 	(a)	 	Amount of Facility: $15,000,000.00
	 
	 	(b)	 	Loans outstanding prior to the Borrowing
requested herein: $0.00
	 
	 	(c)	 	Principal amount of Loans available to be
borrowed (1(a) minus (1(b)): $15,000,000.00

	 	2.	 	Amount of Borrowing: $15,000,000.00
	 
	 	3.	 	Requested date of Borrowing: September [__], 2010.
	 
	 	5.	 	Requested Type of Loan and applicable Dollar amount:

	 	(a)	 	Base Rate Loan for $__________
	 
	 	(b)	 	Eurodollar Rate Loan with Interest Period of:

	 	 	 	 	 

	(i) one month for
	 	$	 	 
	 
	 	 	 	 
	(ii) two months for
	 	$	 	 
	 
	 	 	 	 
	(iii) three months for
	 	$	 	 
	 
	 	 	 	 
	(iv) six months for
	 	$	 	 
	 
	 	 	 	 

	 	6.	 	Purpose of Loan:

               ___To refinance Indebtedness owing under Prior Midstream Credit Agreement.

     The undersigned hereby certifies that the following statements will be true on the date of the
proposed Borrowing after giving effect thereto and to the application of the proceeds therefrom:

          (a) the representations and warranties of the Borrowers contained in Article V of the
Agreement are true and correct in all material respects as though made on and as of such date
(except

					
	 	 	 	 	 
	 
	 	Exhibit A-1
	 	Page 1
	 
	 	Form of Borrowing Notice	 	 

 

 

such representations and warranties which expressly refer to an earlier date, which are true
and correct in all material respects as of such earlier date);

          (b) the amount of the requested Borrowing will not exceed the Term Loan Commitment; and

          (c) no Default or Event of Default has occurred and is continuing, or would result from such
proposed Borrowing.

     The Borrowing requested herein complies with Section 2.03 of the Agreement, as applicable.

	 	 	 	 	 
	 	POSTROCK ENERGY SERVICES CORPORATION,

a Delaware corporation, as a Borrower

 	 
	 	By:  	 	 
	 	 	David C. Lawler, President and Chief Executive Officer 	 

	 	 	 	 	 
	 	POSTROCK KPC PIPELINE, LLC,

a Delaware limited liability company, as a Borrower,

 	 
	 	By:  	POSTROCK ENERGY SERVICES CORPORATION,
 	 
	 	 	its sole member 	 

	 	 	 	 	 
	 	By:  	
 	 
	 	 	David C. Lawler, President 	 
	 	 	and Chief Executive Officer 	 
	 

					
	 	 	 	 	 
	 
	 	Exhibit A-1
	 	Page 2
	 
	 	Form of Borrowing Notice	 	 

 

 

EXHIBIT A-2

FORM OF CONVERSION/CONTINUATION NOTICE

Date: ________, ____

TO:   Royal Bank of Canada, as Administrative Agent

Ladies and Gentlemen:

     Reference is made to that certain Second Amended and Restated Credit Agreement, dated as of
___, 2010 (as amended, restated, extended, supplemented or otherwise modified in writing from
time to time, the “Agreement;” the terms defined therein being used herein as therein defined),
among PostRock Energy Services Corporation, a Delaware corporation, and PostRock KPC Pipeline, LLC,
a Delaware limited liability company (collectively, the “Borrowers”), and Royal Bank of Canada, as
Administrative Agent, and the Lenders from time to time party thereto.

     The undersigned hereby requests:

	I.	 	$15,000,000 TERM LOAN FACILITY

	 	1.	 	Amount of [conversion] [continuation]: $__________

	 	2.	 	Existing rate: Check applicable blank

	 	(a)	 	Base Rate

	 	(b)	 	Eurodollar Rate Loan with
Interest Period of:

	 	 	 	 	 

	(i) one month
	 	 	 	 
	 
	 	 	 	 
	(ii) two months
	 	 	 	 
	 
	 	 	 	 
	(iii) three months
	 	 	 	 
	 
	 	 	 	 
	(iv) six months
	 	 	 	 
	 
	 	 	 	 

	 	3.	 	If a Eurodollar Rate Loan, date of the last day of the Interest
Period for such Loan: _______________, 201_______.

          The Loan described above is to be [converted] [continued] as follows:

	 	4.	 	Requested date of [conversion] [continuation]: _______________,
201_______.

	 	5.	 	Requested Type of Loan and applicable Dollar amount:

	 	(a)	 	Base Rate Loan for $__________
	 
	 	(b)	 	Eurodollar Rate Loan with Interest Period of:

	 	 	 	 	 

	(i) one month for
	 	$	 	 
	 
	 	 	 	 
	(ii) two months for
	 	$	 	 
	 
	 	 	 	 
	(iii) three months for
	 	$	 	 
	 
	 	 	 	 
	(iv) six months for
	 	$	 	 
	 
	 	 	 	 

					
	 	 	 	 	 
	 
	 	Exhibit A-2
	 	Page 1
	 
	 	Form of Conversion/Continuation Notice	 	 

 

 

     The [conversion] [continuation] requested herein complies with Section 2.03 of the Agreement,
as applicable.

	 	 	 	 	 
	 	For all Loans (applicable Borrowers only):

POSTROCK ENERGY SERVICES CORPORATION,

a Delaware corporation, as a Borrower

 	 
	 	By:  	 	 
	 	 	David C. Lawler, President and Chief Executive Officer 	 

	 	 	 	 	 
	 	POSTROCK KPC PIPELINE, LLC,

a Delaware limited liability company, as a Borrower,

 	 
	 	By:  	POSTROCK ENERGY SERVICES CORPORATION,
 	 
	 	 	its sole member 	 

	 	 	 	 	 
	 	By:  	
 	 
	 	 	David C. Lawler, President 	 
	 	 	and Chief Executive Officer 	 
	 

					
	 	 	 	 	 
	 
	 	Exhibit A-2
	 	Page 2
	 
	 	Form of Conversion/Continuation Notice	 	 

 

 

EXHIBIT A-3

FORM OF REPAYMENT NOTICE

Date: ________, ____

To:   Royal Bank of Canada, as Administrative Agent

Ladies and Gentlemen:

     Reference is made to that certain Second Amended and Restated Credit Agreement, dated as of
___, 2010 (as amended, restated, extended, supplemented or otherwise modified in writing from
time to time, the “Agreement;” the terms defined therein being used herein as therein defined),
among PostRock Energy Services Corporation, a Delaware corporation and PostRock KPC Pipeline, LLC,
a Delaware limited liability company (collectively, the “Borrowers”), and Royal Bank of Canada, as
Administrative Agent, and the Lenders from time to time party thereto.

     The undersigned applicable Borrower/s hereby are repaying the Facility as follows:

	I.	 	$15,000,000 TERM LOAN FACILITY

	 	1.	 	Loans outstanding prior to the repayment referred to herein:
$___
	 
	 	2.	 	Amount of repayment: $___
	 
	 	3.	 	Date of repayment: ___, 201.
	 
	 	4.	 	Type of Loan and amount to which repayment applies:

	 	(a)	 	Base Rate Loan for $___
	 
	 	(b)	 	Eurodollar Rate Loan with Interest Period of:

	 	 	 	 	 

	(i) one month
	 	$	 	 
	 
	 	 	 	 
	(ii) two months
	 	$	 	 
	 
	 	 	 	 
	(iii) three months
	 	$	 	 
	 
	 	 	 	 
	(iv) six months
	 	$	 	 
	 
	 	 	 	 

     The repayment referred to herein complies with Section 2.04 of the Agreement.

	 	 	 	 	 
	 	For all Loans (applicable Borrower/s only):

POSTROCK ENERGY SERVICES CORPORATION,

a Delaware corporation, as a Borrower

 	 
	 	By:  	 	 
	 	 	David C. Lawler, President and Chief Executive Officer 	 
	 	 	 	 
	 

					
	 	 	 	 	 
	 
	 	Exhibit A-3
	 	Page 1
	 
	 	Form of Repayment Notice	 	 

 

 

	 	 	 	 	 
	 	POSTROCK KPC PIPELINE, LLC,

a Delaware limited liability company, as a Borrower,

 	 
	 	By:  	POSTROCK ENERGY SERVICES CORPORATION,
 	 
	 	 	its sole member
 	 
	 	By:  	
 	 
	 	 	David C. Lawler, President 	 
	 	 	and Chief Executive Officer 	 
	 

					
	 	 	 	 	 
	 
	 	Exhibit A-3
	 	Page 2
	 
	 	Form of Repayment Notice	 	 

 

 

EXHIBIT B

FORM OF TERM NOTE

			
	 	 	 
	$
	 	___, 2010

     FOR VALUE RECEIVED, the undersigned (the “Borrowers”), hereby jointly and severally promise to
pay to the order of _____________________ (the “Lender”), on the Maturity Date (as defined in the
Credit Agreement referred to below) the principal amount of _______________ Dollars ($__________),
or such lesser principal amount of Loans made by Lender pursuant to the Credit Agreement (as
defined below) due and payable by the Borrowers to the Lender on the Maturity Date under that
certain Second Amended and Restated Credit Agreement, dated as of even date herewith (as amended,
restated, extended, supplemented or otherwise modified in writing from time to time, the “Credit
Agreement”; the terms defined therein being used herein as therein defined), among PostRock Energy
Services Corporation, a Delaware corporation, and PostRock KPC Pipeline, LLC, a Delaware limited
liability company, as Borrowers and Royal Bank of Canada, as Administrative Agent and Collateral
Agent, and the Lenders from time to time party thereto.

     The Borrowers promise to pay interest on the unpaid principal amount of each Loan from the
date of such Loan until such principal amount is paid in full, at such interest rates, and at such
times as are specified in the Credit Agreement. All payments of principal and interest shall be
made to the Administrative Agent for the account of the Lender in Dollars in immediately available
funds to the account designated by the Administrative Agent in the Credit Agreement. If any amount
is not paid in full when due hereunder, such unpaid amount shall bear interest, to be paid upon
demand, from the due date thereof until the date of actual payment (and before as well as after
judgment) computed at the per annum rate set forth in the Credit Agreement.

     This Note is one of the Notes referred to in the Credit Agreement, is entitled to the benefits
thereof and is subject to optional and mandatory prepayment in whole or in part as provided
therein. This Note is also entitled to the benefits of each Guaranty and the Collateral Documents.
Upon the occurrence and continuation of one or more of the Events of Default specified in the
Credit Agreement, all amounts then remaining unpaid on this Note shall become, or may be declared
to be, immediately due and payable all as provided in the Credit Agreement. Loans made by the
Lender shall be evidenced by one or more loan accounts or records maintained by the Lender in the
ordinary course of business. The Lender may also attach schedules to this Note and endorse thereon
the date, amount and maturity of its Loans and payments with respect thereto.

     This Note is a Loan Document and is subject to Section 10.10 of the Credit Agreement, which is
incorporated herein by reference the same as if set forth herein verbatim.

     Each Borrower, for itself, its successors and assigns, hereby waives diligence, presentment,
protest and demand and notice of protest, notice of intent to accelerate, notice of acceleration,
demand, dishonor and non-payment of this Note.

					
	 	 	 	 	 
	 
	 	Exhibit B-1
	 	Page 1
	 
	 	Form of Term Note	 	 

 

 

     THIS TERM NOTE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF
NEW YORK.

	 	 	 	 	 
	 	POSTROCK ENERGY SERVICES CORPORATION,

a Delaware corporation, as a Borrower

 	 
	 	By:  	 	 
	 	 	David C. Lawler, President and Chief Executive Officer 	 
	 	 	 	 
	 

	 	 	 	 	 
	 	POSTROCK KPC PIPELINE, LLC,

a Delaware limited liability company, as a Borrower,

 	 
	 	By:  	POSTROCK ENERGY SERVICES CORPORATION,
 	 
	 	 	its sole member 	 

	 	 	 	 	 
	 	By:  	
 	 
	 	 	David C. Lawler, President 	 
	 	 	and Chief Executive Officer 	 
	 

					
	 	 	 	 	 
	 
	 	Exhibit B-1
	 	Page 2
	 
	 	Form of Term Note	 	 

 

 

EXHIBIT C

FORM OF COMPLIANCE CERTIFICATE

(Pursuant to Section 6.02 of the Agreement)

Financial Statement Date: ___, ___

To:   Royal Bank of Canada, as Administrative Agent

Ladies and Gentlemen:

     Reference is made to that certain Second Amended and Restated Credit Agreement, dated as of
___, 2010 (as amended, restated, extended, supplemented or otherwise modified in writing from
time to time, the “Agreement;” the terms defined therein being used herein as therein defined),
among PostRock Energy Services Corporation, a Delaware corporation, and PostRock KPC Pipeline, LLC,
a Delaware limited liability company (collectively, the “Borrower”), and Royal Bank of Canada, as
Administrative Agent, and the Lenders from time to time party thereto.

     Capitalized terms used herein but not defined herein shall have the meaning set forth in the
Agreement.

     The undersigned Responsible Officers hereby certify as of the date hereof that they are the
___of the Borrowers, and that, as such, they are authorized to execute and
deliver this Certificate to the Administrative Agent on the behalf of the Borrowers, and that:

     [Use the following for fiscal year-end financial statements]

     Attached hereto as Schedule 1 are the year-end audited consolidated financial statements of
Parent and its Subsidiaries and the consolidating financial statements of Parent and its
Subsidiaries required by Section 6.01(a) of the Agreement for the fiscal year of Parent ended as of
the above date, together with the report and opinion of an independent certified public accountant
required by such section; and

     [Use the following for fiscal quarter-end financial statements]

     Attached hereto as Schedule 1 are, the unaudited consolidated financial statements of Parent
and its Subsidiaries and the consolidating financial statements of Parent and its Subsidiaries
required by Section 6.01(b) of the Agreement for the fiscal quarter of Parent ended as of the above
date and the portion of Parent’s fiscal year then ended, together with a certificate of a
Responsible Officer of Parent, stating that such financial statements fairly present the financial
condition, results of operations and cash flows of Parent and its Subsidiaries (including the
Borrowers), as applicable, in accordance with GAAP as at such date and for such period, subject
only to normal year-end audit adjustments and the absence of footnotes.

     [Use the following for both fiscal year-end and quarter-end financial statements]

     1. The undersigned has reviewed and is familiar with the terms of the Agreement and has made,
or has caused to be made under his/her supervision, a detailed review of the transactions and
condition (financial or otherwise) of Parent and the Borrowers during the accounting period covered
by the attached financial statements.

					
	 	 	 	 	 
	 
	 	Exhibit C
	 	Page 1
	 
	 	Form of Compliance Certificate	 	 

 

 

     2. A review of the activities of Parent and the Borrowers during such fiscal period has been
made under the supervision of the undersigned with a view to determining whether during such fiscal
period Parent and the Borrowers performed and observed all their respective Obligations under the
Loan Documents, and no Default or Event of Default has occurred and is continuing except as follows
(list of each such Default or Event of Default and include the information required by Section 6.03
of the Credit Agreement):

     3. The covenant analyses and information set forth on Schedule 2 attached hereto are true and
accurate on and as of the date of this Certificate.

     IN WITNESS WHEREOF, the undersigned has executed this Certificate as of ___, ___.

	 	 	 	 	 
	 	POSTROCK ENERGY SERVICES CORPORATION,

a Delaware corporation, as a Borrower

 	 
	 	By:  	 	 
	 	 	David C. Lawler, President and Chief Executive Officer 	 

	 	 	 	 	 
	 	POSTROCK KPC PIPELINE, LLC,

a Delaware limited liability company, as a Borrower,

 	 
	 	By:  	POSTROCK ENERGY SERVICES CORPORATION,
 	 
	 	 	its sole member 	 

	 	 	 	 	 
	 	By:  	
 	 
	 	 	David C. Lawler, President 	 
	 	 	and Chief Executive Officer 	 
	 

					
	 	 	 	 	 
	 
	 	Exhibit C
	 	Page 2
	 
	 	Form of Compliance Certificate	 	 

 

 

For the Quarter/Year ended

_____________ (“Statement Date”)

SCHEDULE 2

to the Compliance Certificate

($ in 000’s)

	 	 	 	 	 

	I. Section 7.16(a) — Current Ratio
	 	 	 	 
	A. Consolidated current assets (plus unused Borrowing
Base availability) as at most recent Financial
Statement Date:
	 	$	 	 
	 
	 	 	 	 
	B. Consolidated current liabilities as at most recent
Financial Statement Date:
	 	$	 	 
	 
	 	 	 	 
	C. Is ratio of I.A. to I.B greater than to 1.0 to 1.0
	 	Yes/No
	II. Section 7.16(b) — Interest Coverage Ratio
	 	 	 	 
	 
	 	 	 	 
	A. Adjusted Consolidated EBITDA for four consecutive fiscal quarters ending on the Statement Date (“Subject
Period”) (see Credit Agreement definition of “Consolidated EBITDA” and “Adjusted Consolidated EBITDA”):
	 	 	 	 
	1. Consolidated EBITDA for Subject Period (prior to pro
forma adjustments for Material Dispositions pursuant
to Section 7.15 (d) and Permitted Acquisitions and
Material Acquisitions pursuant to Section 7.15(e)):
	 	$	 	 
	 
	 	 	 	 
	2. Pro forma adjustments to EBITDA for Material
Dispositions during the Subject Period (Section
7.15(d)), giving effect to such Material Dispositions
on a pro forma basis for the Subject Period as if such
Material Dispositions occurred on the first day of the
Subject Period:
	 	$	 	 
	 
	 	 	 	 
	3. Pro forma adjustments to EBITDA for Permitted
Acquisitions and Material Acquisitions during the
Subject Period (Section 7.15(e)), giving effect to
such Permitted Acquisitions and Material Acquisitions
on a pro forma basis for the Subject Period as if such
Permitted Acquisitions and Material Acquisitions
occurred on the first day of the Subject Period:
	 	$	 	 
	 
	 	 	 	 
	4. Consolidated EBITDA including pro forma adjustments
for Material Dispositions, Permitted Acquisitions, and
Material Acquisitions (Lines II.A. 1-4):
	 	$	 	 
	 
	 	 	 	 
	 
	 	$	 	 
	 
	 	 	 	 
	 
	 	 	 	 
	B.
	 	 	 	 
	1. Adjusted Consolidated EBITDA (Line II.A.4):
	 	$	 	 
	 
	 	 	 	 
	2. Consolidated Interest Charges (Line II.B.2):
	 	$	 	 
	 
	 	 	 	 
	3. Imputed interest charges on Synthetic Lease
Obligations of Borrowers and their Subsidiaries (other
than Excluded Subsidiaries) for the Subject
Period: (Line II.B.3)
	 	$	 	 
	 
	 	 	 	 
	4. Interest Coverage Ratio: (Line II.B.1) divided by
(Lines II.B.2 + II.B.3):
	 	___to 1.0
	Is the Interest Coverage Ratio greater than 3.0 to 1.0?
	 	Yes/No

					
	 	 	 	 	 
	 
	 	Exhibit C
	 	Page 3
	 
	 	Form of Compliance Certificate	 	 

 

 

	 	 	 	 	 

	III.
Section 7.16(c) — Leverage Ratio
	 	 	 	 
	A. Cash Adjusted Consolidated Funded Debt
	 	 	 	 
	1. Cash Adjusted Consolidated Funded Debt on Statement
Date (borrowed money Indebtedness, letter of credit
reimbursement obligations, Capital Leases, Synthetic
Leases, Guaranty Obligations less cash on deposit
under control agreement)
	 	$	 	 
	 
	 	 	 	 
	 
	 	 	 	 
	B. Adjusted Consolidated EBITDA
	 	 	 	 
	1. Adjusted Consolidated EBITDA (Line II.A.4 above)
	 	 	 	 
	2 Total Leverage Ratio: (Line III.A.1) divided by (Line III.B.1):
	 	___ to 1.0
	3. Is the Leverage Ratio less than 4.5 to 1.0 in Q3 2010
to Q1 2011, less than 4.0 to 1.0 in Q2 2011 to Q4 2011
	 	Yes/No

					
	 	 	 	 	 
	 
	 	Exhibit C
	 	Page 4
	 
	 	Form of Compliance Certificate	 	 

 

 

EXHIBIT D

FORM OF ASSIGNMENT AND ASSUMPTION

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

     For an agreed consideration, the Assignor hereby irrevocably sells and assigns to the
Assignee, and the Assignee hereby irrevocably purchases and assumes from the Assignor, subject to
and in accordance with the Standard Terms and Conditions and the Credit Agreement, as of the
Effective Date inserted by the Administrative Agent as contemplated below (i) all of the Assignor’s
rights and obligations in its capacity as a Lender under the Credit Agreement and any other
documents or instruments delivered pursuant thereto to the extent related to the amount and
percentage interest identified below of all of such outstanding rights and obligations of the
Assignor under the respective facilities identified below and (ii) to the extent permitted to be
assigned under applicable law, all claims, suits, causes of action and any other right of the
Assignor (in its capacity as a Lender) against any Person, whether known or unknown, arising under
or in connection with the Credit Agreement, any other documents or instruments delivered pursuant
thereto or the loan transactions governed thereby or in any way based on or related to any of the
foregoing including, but not limited to, contract claims, tort claims, malpractice claims,
statutory claims and all other claims at law or in equity related to the rights and obligations
sold and assigned pursuant to clause (i) above (the rights and obligations sold and assigned
pursuant to clauses (i) and (ii) above being referred to herein collectively as the “Assigned
Interest”). Such sale and assignment is without recourse to the Assignor and, except as expressly
provided in this Assignment and Assumption, without representation or warranty by the Assignor.

	 	 	 	 	 

	 

	 	1. Assignor:	 	 
	 
	 	 	 	 
	 

	 	2. Assignee:	 	 
	 

	 	 	 	[and is an Affiliate/Approved Fund of [identify Lender]
	 
	 	 	 	 
	 

	 	3. Borrowers:
	 	PostRock Energy Services Corporation, a Delaware corporation, and
PostRock KPC Pipeline, LLC, a Delaware limited liability company
	 
	 	 	 	 
	 

	 	4. Administrative Agent:
	 	Royal Bank of Canada, as the administrative agent under
the Credit Agreement
	 
	 	 	 	 
	 

	 	5. Credit Agreement:
	 	Second Amended and Restated Credit Agreement, dated as of
___, 2010 among the Borrowers, and Royal Bank of Canada, as Administrative Agent,
and the Lenders from time to time party thereto

					
	 	 	 	 	 
	 
	 	Exhibit D
	 	Page 1
	 
	 	Form of Assignment and Assumption	 	 

 

 

	 	 	 	 	 
	 	 	6. Assigned Interest:	 

	 

	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	Aggregate Amount of	 	 	Amount of	 	 	 	 
	 	 	Term Loans for	 	 	Term Loans	 	 	Percentage Assigned of	 
	 	 	all Lenders*	 	 	Assigned*	 	 	Term Loans	 
	Loans:
	 	$	 	 	 	$	 	 	 	 	%	 
	Total:
	 	$	 	 	 	$	 	 	 	 	%	 

[7. Trade Date: ___ ]

Effective Date: ___, 201___ [TO BE INSERTED BY ADMINISTRATIVE AGENT AND WHICH SHALL BE
THE EFFECTIVE DATE OF RECORDATION OF TRANSFER IN THE REGISTER THEREFOR.]

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

	 	 	 	 	 
	 	ASSIGNOR

[NAME OF ASSIGNOR]

 	 
	 	By:  	 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 
	 
	 	ASSIGNEE

[NAME OF ASSIGNEE]

 	 
	 	By:  	 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 
	 

 

			
	*	 	Amount to be adjusted by the counterparties to take into account any payments or prepayments made
between the Trade Date and the Effective Date.

Consented to and Accepted:

	 	 	 	 	 	 	 	 	 

	[NAME OF ADMINISTRATIVE AGENT], as	 	 	 	[NAME OF L/C ISSUER], as
	Administrative Agent	 	 	 	L/C Issuer
	 
	 	 	 	 	 	 	 	 
	By

	 	 	 	 	 	By	 	 
	 

	 	 
	 	 	 	 	 	 
	 

	 	Title:	 	 	 	 	 	 

					
	 	 	 	 	 
	 
	 	Exhibit D
	 	Page 2
	 
	 	Form of Assignment and Assumption	 	 

 

 

[Consented to:]

	 	 	 	 	 
	 	POSTROCK ENERGY SERVICES CORPORATION,

a Delaware corporation, as a Borrower

 	 
	 	By:  	 	 
	 	 	David C. Lawler, President and Chief Executive Officer 	 

	 	 	 	 	 
	 	POSTROCK KPC PIPELINE, LLC,

a Delaware limited liability company, as a Borrower,

 	 
	 	By:  	POSTROCK ENERGY SERVICES CORPORATION,
 	 
	 	 	its sole member 	 

	 	 	 	 	 
	 	By:  	
 	 
	 	 	David C. Lawler, President 	 
	 	 	and Chief Executive Officer 	 
	 

					
	 	 	 	 	 
	 
	 	Exhibit D
	 	Page 3
	 
	 	Form of Assignment and Assumption	 	 

 

 

ANNEX 1

TO ASSIGNMENT AND ASSUMPTION

STANDARD TERMS AND CONDITIONS FOR

ASSIGNMENT AND ASSUMPTION

1. Representations and Warranties.

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

          1.2. Assignee. The Assignee: (a) represents and warrants that (i) it has full power
and authority, and has taken all action necessary, to execute and deliver this Assignment and
Assumption and to consummate the transactions contemplated hereby and to become a Lender under the
Credit Agreement, (ii) it meets all requirements of an Eligible Assignee under the Credit Agreement
(subject to receipt of such consents as may be required under the Credit Agreement), (iii) from and
after the Effective Date, it shall be bound by the provisions of the Credit Agreement as a Lender
thereunder and, to the extent of the Assigned Interest, shall have the obligations of a Lender
thereunder, (iv) it has received a copy of the Credit Agreement, together with copies of the most
recent financial statements delivered pursuant to Section 6.01 thereof, as applicable, and such
other documents and information as it has deemed appropriate to make its own credit analysis and
decision to enter into this Assignment and Assumption and to purchase the Assigned Interest on the
basis of which it has made such analysis and decision independently and without reliance on the
Administrative Agent or any other Lender, and (v) if it is a Foreign Lender, attached to the
Assignment and Assumption is any documentation required to be delivered by it pursuant to the terms
of the Credit Agreement, duly completed and executed by the Assignee; and (b) agrees that (i) it
will, independently and without reliance on the Administrative Agent, the Assignor or any other
Lender, and based on such documents and information as it shall deem appropriate at the time,
continue to make its own credit decisions in taking or not taking action under the Loan Documents,
and (ii) it will perform in accordance with their terms all of the obligations which by the terms
of the Loan Documents are required to be performed by it as a Lender.

     2. Payments. From and after the Effective Date, the Administrative Agent shall make
all payments in respect of the Assigned Interest (including payments of principal, interest, fees
and other amounts) to the Assignor for amounts which have accrued to but excluding the Effective
Date and to the Assignee for amounts which have accrued from and after the Effective Date.

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

					
	 	 	 	 	 
	 
	 	Exhibit D
	 	Page 4
	 
	 	Form of Assignment and Assumptionexv10w9

Exhibit 10.9

EXECUTION

LOAN TRANSFER AGREEMENT

     This LOAN TRANSFER AGREEMENT (this “Agreement”) is dated as of September 21, 2010, by and
among POSTROCK MIDCONTINENT PRODUCTION, LLC, a Delaware limited liability company (“PMP”), formerly
known as Bluestem Pipeline, LLC (“Bluestem”), POSTROCK ENERGY SERVICES CORPORATION, a Delaware
corporation (“PESC”), successor by merger to Post Rock Midstream, LLC, successor by merger to (i)
Quest Midstream Partners, L.P., a Delaware limited partnership (“QMLP”; Bluestem and QMLP
collectively called the “Borrowers” and individually a “Borrower”) and (ii) Quest Transmission
Company, LLC, a Delaware limited liability company (“QTC”), POSTROCK KPC PIPELINE, LLC, a Delaware
limited liability company (“KPC Pipeline LLC”), successor by conversion to Quest Pipelines (KPC), a
Kansas general partnership (“QPKPC”), and successor by merger to Quest Kansas General Partner,
L.L.C., a Delaware limited liability company and a general partner of QPKPC (“QKGP”), and Quest
Kansas Pipeline, L.L.C., a Delaware limited liability company and a general partner in QPKPC
(“QKP”; QKP, QKPGP, QPKPC, QTC. PESC and PostRock Energy Corporation, a Delaware corporation
(“PEC”), individually referred to herein as a “Guarantor” and collectively as the “Guarantors”),
ROYAL BANK OF CANADA, as administrative agent and collateral agent for the Midstream Lenders
(defined below) under the Midstream Credit Agreement (defined below) (the “Midstream Agent”), ROYAL
BANK OF CANADA, as administrative agent and collateral agent for the BBF Secured Parties (defined
below) under the Borrowing Base Facility Credit Agreement (defined below) (the “Borrowing Base
Facility Agent”), including the Borrowing Base Facility Lenders.

RECITALS

     A. Pursuant to the terms of that certain Credit Agreement dated as of January 31, 2007 (as
amended, the “Original Midstream Credit Agreement”), among Bluestem, as borrower, QMLP, as
guarantor, Royal Bank of Canada, as administrative agent and collateral agent, and lenders Royal
Bank of Canada (“RBC”), Fortis Capital Corp. (“Fortis”), Wells Fargo Bank, N.A. (“Wells Fargo”),
U.S. Bank National Association (“US Bank”), and Comerica Bank (“Comerica”; RBC, Fortis, Wells
Fargo, US Bank and Comerica individually an “Original Midstream Lender” and collectively called the
“Original Midstream Lenders”), the Original Midstream Lenders made certain loans and other
financial accommodations in an aggregate amount up to $75,000,000 to Bluestem, as evidenced by the
Original Midstream Credit Agreement.

     B. Pursuant to the provisions of Section 10.07 of the Original Midstream Credit Agreement and
Assignment and Assumption Agreements each dated as of November 1, 2007, each of Fortis, Wells
Fargo, US Bank and Comerica assigned all of their rights and obligations under the Original
Midstream Credit Agreement (including all of their respective commitments and loans and
participations in letters of credit thereunder and all liens and security interests granted as
security for indebtedness under the Original Credit Agreement) to RBC and RBC became the sole
lender under the Original Midstream Credit Agreement.

     C. The Original Midstream Credit Agreement was amended and restated in its entirety pursuant
to the terms of that certain Amended and Restated Midstream Credit Agreement dated as of November
1, 2007 (the Original Midstream Credit Agreement, as so amended and restated, and as thereafter
amended, the “Midstream Credit Agreement”), among QMLP, as co-borrower, Bluestem, as co-borrower,
RBC, as administrative agent and collateral agent, and RBC, as sole lender. RBC, as sole
lender, agreed to make certain loans and other financial accommodations to QMLP and
Bluestem, as evidenced

Midstream Loan

Transfer Agreement

 

 

by the Midstream Credit Agreement in an aggregate amount up to $135,000,000,
as evidenced by the Midstream Credit Agreement. As specified in Section 10.20 of the Midstream
Credit Agreement, to the extent of the aggregate commitment outstanding under the Original
Midstream Credit Agreement ($75,000,000), nothing contained in the Midstream Credit Agreement was
to be deemed a novation of or a repayment or new advance of any obligation of Bluestem under the
Original Midstream Credit Agreement. Only to the extent of the $60,000,000 increase in the
aggregate commitment was there to be deemed to be a new advance by RBC to QMLP and Bluestem, as
borrowers, under the Midstream Credit Agreement. Section 10.20 of the Midstream Credit Agreement
further provided that the indebtedness owing under the Original Midstream Credit Agreement was
renewed, rearranged, extended and carried forward by the Midstream Credit Agreement and all of the
liens and security interests securing the “Obligations” (as defined in the Original Midstream
Credit Agreement) were carried forward and secured, without interruption or loss or priority, the
“Obligations” (as defined in the Midstream Credit Agreement).

     D. The Original Midstream Credit Agreement, as amended and restated by the Midstream Credit
Agreement, was secured by mortgages granted on Bluestem’s pipeline and gathering system located in
the Cherokee Basin as described in Part A of Exhibit B hereto (the “Bluestem
Gathering System”). In connection with the Midstream Credit Agreement, the mortgages filed against
the Bluestem Gathering System were amended to describe the increase in the indebtedness secured
thereby and to include the Midstream Credit Agreement as being secured thereby. Additionally, in
connection with the Midstream Credit Agreement, QMLP acquired 100% of the limited liability company
interests in each of Midcoast Kansas Pipeline, L.L.C., a Delaware limited liability company
(“MKP”), and Midcoast Kansas General Partner, L.L.C., a Delaware limited liability company (“MGP”).
MKP owned a 0.1% general partnership interest and MGP owned a 99.9% general partnership interest
in Enbridge Pipelines (KPC), a Kansas general partnership, which owned an interstate natural gas
pipeline of approximately 1,120 miles in length. Upon their acquisition, MKP’s name was changed to
Quest Kansas Pipeline, L.L.C., MGP’s name was changed to Quest Kansas General Partner, L.L.C. and
Enbridge Pipelines (KPC)’s name was changed to Quest Pipelines (KPC)(“QPKPC”). The Midstream
Credit Agreement was additionally secured by mortgages granted by QPKPC on the KPC pipeline and
gathering system as described in Part B of Exhibit B hereto (the “KPC Pipeline”).

     E. Pursuant to Assignments and Assumptions dated November 19, 2007 from RBC in favor of each
of Fortis, Comerica, US Bank, Guaranty Bank (“Guaranty”), SunTrust Bank (“SunTrust”) and Bank of
Oklahoma (“BOK”; RBC, Fortis, Comerica, US Bank, Guaranty, SunTrust and BOK collectively called the
“Midstream Lenders” and individually a “Midstream Lender”), RBC assigned a portion of its
$135,000,000 commitment and loans to each of the other Midstream Lenders and the Borrowers executed
and delivered promissory notes to each Midstream Lender in the amounts set forth on Exhibit
A hereto (the “Midstream Notes”).

     F. The aggregate of the indebtedness outstanding under the Midstream Notes and the Midstream
Credit Agreement, except and excluding therefrom $15,000,000 of the indebtedness currently owed by
Borrowers to RBC (the “Retained Debt”), is hereafter collectively referred to as the “Assigned
Debt;” the documents securing, guaranteeing or otherwise pertaining to the indebtedness under the
Midstream Notes and the Midstream Credit Agreement (except and excluding therefrom the Retained
Debt) described on Exhibit C attached hereto are hereafter collectively referred to as the
“Bluestem Loan
Documents”, and all property described in the Bluestem Loan Documents as collateral securing
such Assigned Debt is hereafter collectively referred to as the “Bluestem Collateral”.

     G. The Midstream Agent and the Midstream Lenders (except RBC, to the extent of the Retained
Debt) (collectively, “Assignors” and, each individually, an “Assignor”) have agreed to irrevocably
sell, transfer and assign to the Borrowing Base Facility Agent (in such capacity,” Assignee”) for
the benefit of (i) the lenders party to that certain Second Amended and Restated Credit Agreement

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Page 2

 

dated as of September 21, 2010, among the Borrowing Base Facility Agent, such lenders
(collectively, the “Borrowing Base Facility Lenders”), PESC and PMP, as borrowers (the “Borrowing
Base Facility Credit Agreement”); and (ii) the other Secured Parties (as defined under the
Borrowing Base Facility Credit Agreement (“BBF Secured Parties”), all of their interests in, to and
under the Assigned Debt and the Bluestem Loan Documents, including, without limitation, the
security interests and liens created thereby and Assignors’ rights to all principal now due or
hereafter due and all interest, fees, costs and expenses relating thereto, save and except the
Retained Debt (the rights under the Assigned Debt and the Bluestem Loan Documents and otherwise
being collectively referred to herein as the “Assigned Rights”) all subject to the terms and
conditions set forth herein.

AGREEMENTS

     NOW, THEREFORE, in consideration of the mutual promises and covenants contained herein and
other good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, and intending to be legally bound hereby, the parties hereto agree as follows:

     1. Sale and Assignment: Purchase Price.

          (a) For $10.00 in hand paid, the receipt of which is hereby acknowledged, the mutual covenants
and agreements contained herein, and for other good and valuable consideration, each Assignor shall
sell, transfer, assign, grant and convey unto Assignee, its successors and assigns, on the
Assignment Date (defined below) its interest in the Assigned Rights, WITHOUT RECOURSE,
REPRESENTATION OR WARRANTY. Upon the assignment of the Assigned Rights, Assignors (other than the
Midstream Agent and RBC, to the extent of the Retained Rights) shall be released and discharged
from any obligations to Borrowers under the Midstream Credit Agreement and Assignee shall not
assume or be liable for any of Assignors’ obligations to Borrowers under the Midstream Credit
Agreement, the parties agreeing and acknowledging that all obligations of the Assignors transferred
herein will be amended and restated by the Borrowing Base Facility Credit Agreement to the extent
of any Assignor that is a Borrowing Base Facility Lender. The Assignee acknowledges receiving the
Assigned Rights. The Assignee confirms that the indebtedness comprising the Assigned Rights will
be allocated among the Borrowing Base Facility Lenders in accordance with each such Borrowing Base
Facility Lender’s Pro Rata Share (as defined in the Borrowing Base Facility Credit Agreement) of
the aggregate commitment under the Borrowing Base Facility Credit Agreement.

          (b) In consideration for the assignment of the Assigned Debt and the rest of the Assigned
Rights, the Borrowing Base Facility Agent, on behalf of the Borrowing Base Facility Lenders, will
deliver, in the form of promissory notes issued by the borrowers under the Borrowing Base Facility
Credit Agreement (collectively, the “BBF Borrowers”), in amounts not less than the amounts set
forth below on or prior to noon (New York time) on September 21, 2010:

(a) Royal Bank of Canada $40,683,566.86

(b) Comerica Bank $25,274,956.27;

(c) Compass Bank, successor in interest to Guaranty Bank, fsb
$14,008,523.69;

(d) SunTrust Bank $14,008,523.69;

(e) U.S. Bank National Association $27,799,193.47;

(f) Bank of Oklahoma, N.A. $11,555,677.60;

(g) BNP Paribas, successor in interest to Fortis Capital Corp.
$10,655,677.59;

          (the portion of such amounts that represents transferred principal indebtedness owing as of
the Assignment Date (accrued interest, accrued letter of credit fees, deferred amendment fees and

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Page 3

 

commitment fees, if any, to be paid on the Assignment Date) in connection with the Midstream Credit
Agreement in accordance with Exhibit D (as opposed to any such lender’s additional loan
commitment amount under the Borrowing Base Facility Credit Agreement) are referred to collectively
herein as the “Purchase Price”).

          Upon receipt from the BBF Borrowers of the promissory notes, a portion of the indebtedness of
which evidences the Purchase Price, the Borrowing Base Facility Agent will promptly deliver such
notes to each Midstream Lender. A detailed breakdown of the principal comprising the Purchase
Price is set forth on Exhibit D. The Midstream Agent hereby reserves the right to notify
the BBF Borrowers and the Borrowing Base Facility Agent of any change in the applicable interest
rate under the Midstream Credit Agreement and of any further borrowing under the Midstream Credit
Agreement after the date hereof and to adjust the Purchase Price accordingly.

          (c) This Agreement shall be effective upon the satisfaction of each of the conditions set
forth in this Section 1 and the contemporaneous closing of the Borrowing Base Facility
Credit Agreement (the date on which the last of such conditions to be satisfied is satisfied being
herein referred to as the “Assignment Date”). Except as set forth in Sections 2 and
3 below, this Agreement shall expire at, and the Assignors shall have no further
obligations to Assignee after, 3:00 p.m. (New York time) on September 30, 2010, unless each of the
conditions set forth in this Section 1 is timely satisfied on or before such date as
provided herein.

     2. Delivery of Bluestem Loan Documents. As soon as reasonably practicable, but in any
event within fifteen (15) Business Days (as defined in the Borrowing Base Facility Credit
Agreement) after the Assignment Date, (a) Midstream Agent will deliver to the Borrowing Base
Facility Agent (for the benefit of the Assignee and the Borrowing Base Facility Lenders, as
applicable), at no cost or expense to Assignors, all Bluestem Loan Documents in the possession of
the Midstream Agent (and the Midstream Agent shall deliver, or cause the applicable Midstream
Lender (other than RBC who shall retain its Midstream Note evidencing the Retained Debt) to
deliver, each of the original Existing Midstream Notes, endorsed to the order of the RBC, as
administrative and collateral agent, for the benefit of the Borrowing Base Facility Lenders, the
endorsement described above to be in substantially the form of the endorsement attached hereto as
Exhibit E), and (b) the Midstream Agent shall deliver appropriate assignments, in
recordable form (as applicable), of any and all security documents securing the Assigned Debt to
Borrowing Base Facility Agent’s counsel, Thompson & Knight LLP, 333 Clay Street, Suite 3300,
Houston, Texas 77002, attention Robert C. Shearer, Esq. (the “Delivery Address”); provided, that
Midstream Agent shall execute and deliver to the Borrowing Base Facility Agent, for the benefit of
the BBF Secured Parties, at no cost or expense to Assignors, such original assignments (in
recordable form) of the Bluestem Gathering System described on Part A of Exhibit B
hereto on the Assignment Date at the Delivery Address, such assignment to be in substantially the
form of Exhibit F hereto and in such number of original counterparts as requested by the
Borrowing Base Facility Agent. The Midstream Agent and the Midstream Lenders authorize the
Borrowing Base Facility Agent following the delivery of the Borrowers’ promissory notes evidencing
payment of the Purchase Price and upon satisfaction of the other conditions set forth in
Section 1 hereof, to file any UCC-3 termination statements and UCC-3
assignments pertaining to UCC financing statements and transmitting utility financing
statements filed by the Midstream Agent in respect of the Bluestem Collateral.

     3. Further Assurances. Following the Assignment Date, (a) Assignors agree, at no cost
or expense to Assignors, to promptly do or cause to be done such further acts and to execute such
further instruments as the Borrowing Base Facility Agent or any Borrowing Base Facility Lender may
reasonably request in order to carry out the purposes of this Agreement and (b) Borrowers, as
successors to QMLP and Bluestem, agree at no cost or expense to Assignors, to promptly do or cause
to be done such further

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Page 4

 

acts and to execute such further instruments as Borrowing Base Facility
Agent may reasonably request in order to carry out the purposes of this Agreement.

     4. Release. Borrowers, as successors to QMLP and Bluestem, and KPC Pipeline, LLC, as
successor to Guarantors, jointly and severally, forever release the Assignors and each of their
directors, officers, employees, agents, affiliates, attorneys, successors and assigns from and
against any and all claims, covenants, promises, agreements, obligations, commitments,
controversies, losses, damages, costs, expenses, demands, causes of action, judgments or
liabilities of any kind or character whatsoever, whether matured or contingent or known or unknown,
that such parties may have arising out of, or with respect to, directly or indirectly, the Bluestem
Loan Documents and the transactions covered thereunder, arising before the Assignment Date.

     5. Preservation of Liens and Security Interests. Nothing contained herein shall be
deemed to release, modify or impair the liens or security interests in (i) the Bluestem Collateral
in any respect, all of which shall continue to secure, to the extent of the Assigned Rights, the
obligations and indebtedness of the BBF Borrowers under the Borrowing Base Facility Credit
Agreement, including, without limitation, the Obligations (as defined in the Borrowing Base
Facility Credit Agreement) and all of which liens and security interests are hereby ratified and
confirmed and (ii) the KPC Pipeline which continues to secure the Retained Debt under the Midstream
Credit Agreement as amended and restated of even date herewith. Borrowers hereby acknowledge that
in part the Borrowing Base Facility Credit Agreement represents a renewal, extension, amendment and
modification of the Assigned Debt, but does not represent a satisfaction or novation thereof. Upon
receipt of each original Midstream Note from the applicable Midstream Lender, the Borrowing Base
Facility Agent shall mark such Midstream Note “replaced” and promptly return such Midstream Note to
PMP, f/k/a Bluestem, and PESC, as successor in interest to QMLP.

     6. Miscellaneous. This Agreement shall be governed by and construed under the laws of
the State of New York and shall be binding upon and inure to the benefit of the parties hereto and
their successors and assigns. This Agreement may be executed in any number of counterparts, each of
which shall be an original, but all of which together shall constitute one agreement. Delivery of
an executed counterpart of a signature page of this Agreement by telecopy, facsimile, photocopy or
by sending a scanned copy by electronic mail shall be as effective as delivery of a manually
executed counterpart. The effectiveness of any such signatures shall, subject to applicable law,
have the same force and effect as manually-signed originals and shall be binding on all parties.

     7. JURY WAIVER. THE PARTIES HERETO HEREBY WAIVE, TO THE FULLEST EXTENT PERMITTED BY
APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDINGS ARISING OUT OF OR
RELATED TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY.

[Signature Page to Follow]

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Page 5

 

          IN WITNESS WHEREOF, this Loan Transfer Agreement has been duly executed as of the day and year
first above written.

	 	 	 	 	 	 	 

	PESC:	 	POSTROCK ENERGY SERVICES CORPORATION,
 a Delaware corporation,
successor by merger to PostRock Midstream, LLC,
the successor by merger to Quest Midstream
Partners, L.P., a co-borrower	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
David C. Lawler
	 	 
	 

	 	 	 	
David C. Lawler,
	 	 
	 

	 	 	 	President and Chief Executive Officer	 	 
	 
	 	 	 	 	 	 
	PMP:	 	POSTROCK MIDCONTINENT PRODUCTION, LLC,
 a Delaware limited

liability company, f/k/a Bluestem Pipeline, LLC	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	POSTROCK ENERGY SERVICES CORPORATION, its sole member	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
David C. Lawler
	 	 
	 

	 	 	 	David C. Lawler,
	 	 
	 

	 	 	 	President and Chief Executive Officer	 	 
	 
	 	 	 	 	 	 
	GUARANTOR:	 	POSTROCK KPC PIPELINE, LLC, a Delaware
 limited liability
company, successor by conversion to Quest Pipelines (KPC) and
successor by merger to Quest Kansas Pipeline, L.L.C. and Quest
Kansas General Partner, L.L.C.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	POSTROCK ENERGY SERVICES CORPORATION, its sole member	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
David C. Lawler
	 	 
	 

	 	 	 	David C. Lawler,
	 	 
	 

	 	 	 	President and Chief Executive Officer	 	 

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Signature Page 1 

 

	 	 	 	 	 	 	 

	MIDSTREAM AGENT:	 	ROYAL BANK OF CANADA,

As Administrative Agent and Collateral Agent	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ Susan Khokher	 	 
	 

	 	Name:
	 	 
Susan
Khokher
	 	 
	 

	 	Title:	 	 
Manager,
Agency	 	 
	 

	 	 	 	 
	 	 

Midstream Loan

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Signature Page 2 

 

	 	 	 	 	 	 	 

	MIDSTREAM LENDER:	 	ROYAL BANK OF CANADA	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 /s/ Leslie P. Vowell	 	 	 
	 

	 	 	 	 

Leslie P. Vowell
	 	 
	 

	 	 	 	Attorney-in-Fact	 	 

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Signature Page 3 

 

	 	 	 	 	 	 	 

	MIDSTREAM LENDER:	 	COMERICA BANK	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ James A. Morgan	 	 
	 

	 	Name:
	 	 
James
A. Morgan
	 	 
	 

	 	Title:	 	 
Vice
President	 	 
	 

	 	 	 	 
	 	 

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Signature Page 4 

 

	 	 	 	 	 	 	 

	MIDSTREAM LENDER:	 	U.S. BANK NATIONAL ASSOCIATION	 	 
	 
	 	 	 	 	 	 
	 
	 	By:	 	/s/ Saqib Khawaja 
	 	. 
	 

	 	Name:	 	Saqib Khawaja	 	 
	 
	 	Title:	 	Vice President 	 	 

Midstream Loan

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Signature Page 5 

 

	 	 	 	 	 	 	 

	MIDSTREAM LENDER:	 	COMPASS BANK, successor in interest to GUARANTY BANK, fsb	 	 
	 
	 	 	 	 	 	 
	 

	 	By:		/s/ John W. Wood
	. 	 
	 
	 	Name:	 	John W. Wood		 
	 
	 	Title:	 	Vice President	 	 

Midstream Loan

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Signature Page 6 

 

	 	 	 	 	 	 	 

	MIDSTREAM LENDER:	 	SUNTRUST BANK	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ Janet R. Naifeh 
	 	. 
	 

	 	Name:	 	Janet R. Naifeh
	 	 
	 

	 	Title:	 	Senior Vice President 	 	 

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Signature Page 7 

 

	 	 	 	 	 	 	 

	MIDSTREAM LENDER:	 	BANK OF OKLAHOMA, N.A.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
Timothy F. Sheehan
	 	 
	 

	 	Name:
	 	Timothy F. Sheehan
	 	 
	 

	 	Title:	 	Senior Vice President	 	 

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Signature Page 8 

 

	 	 	 	 	 	 	 

	MIDSTREAM LENDER:	 	BNP PARIBAS, successor in interest to FORTIS CAPITAL
CORP.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
Larry Robinson
	 	 
	 

	 	Name:
	 	Larry Robinson
	 	 
	 

	 	Title:	 	Director	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
Betsy Jocher
	 	 
	 

	 	Name:
	 	Betsy Jocher	 	 
	 

	 	Title:	 	Director	 	 

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Signature Page 9 

 

	 	 	 	 	 	 	 

	BORROWING BASE FACILITY AGENT:	 	ROYAL BANK OF CANADA,

As Administrative Agent and Collateral Agent for the New
Lenders	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/
Susan Khokher
	 	 
	 

	 	Name:
	 	Susan Khokher
	 	 
	 

	 	Title:	 	Manager, Agency	 	 

Midstream Loan

Transfer Agreement

Signature Page 10 

 

EXHIBIT A

MIDSTREAM NOTES

	1.	 	$25,000,000.00 Promissory Note dated November 19, 2007 executed by Quest Midstream
Partners, L.P. and Bluestem Pipeline, LLC, payable to the order of Royal Bank of Canada;
	 
	2.	 	$20,000,000.00 Promissory Note dated November 19, 2007 executed by Quest Midstream
Partners, L.P. and Bluestem Pipeline, LLC, payable to the order of Comerica Bank;
	 
	3.	 	$20,000,000.00 Promissory Note dated November 19, 2007 executed by Quest Midstream
Partners, L.P. and Bluestem Pipeline, LLC, payable to the order of Guaranty Bank;
	 
	4.	 	$20,000,000.00 Promissory Note dated November 19, 2007 executed by Quest Midstream
Partners, L.P. and Bluestem Pipeline, LLC, payable to the order of SunTrust Bank;
	 
	5.	 	$20,000,000.00 Promissory Note dated November 19, 2007 executed by Quest Midstream
Partners, L.P. and Bluestem Pipeline, LLC, payable to the order of U.S. Bank National
Association;
	 
	6.	 	$15,000,000.00 Promissory Note dated November 19, 2007 executed by Quest Midstream
Partners, L.P. and Bluestem Pipeline, LLC, payable to the order of Bank of Oklahoma; and
	 
	7.	 	$15,000,000.00 Promissory Note dated November 19, 2007 executed by Quest Midstream
Partners, L.P. and Bluestem Pipeline, LLC, payable to the order of Fortis Capital Corp.

Midstream Loan

Transfer Agreement

Exhibit A-1

 

EXHIBIT B

PART A

BLUESTEM CHEROKEE BASIN MORTGAGES

KANSAS MORTGAGES

	 	1.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Allen County, Kansas on February 12, 2007, in Book A83,
Pages 930-993; as amended and restated by a First Amended and Restated Mortgage,
Assignment, Security Agreement, Fixture Filing and Financing Statement dated November 1,
2007 from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC),
to Royal Bank of Canada, administrative agent and collateral agent, filed in Allen County,
Kansas on November 21, 2007, as Document No. 2007-0856;
	 
	 	2.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Butler County, Kansas on February 7, 2007, in Book 2007,
Page 4932; as amended and restated by a First Amended and Restated Mortgage, Assignment,
Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from
Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal
Bank of Canada, administrative agent and collateral agent, filed in Butler County, Kansas
on November 16, 2007, in Book 2008, Page 5645;
	 
	 	3.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Chautauqua County, Kansas on February 2, 2007 in Book 135 of
Records, Page 687; as amended and restated by a First Amended and Restated Mortgage,
Assignment, Security Agreement, Fixture Filing and Financing Statement dated November 1,
2007 from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC),
to Royal Bank of Canada, administrative agent and collateral agent, filed in Chautauqua
County, Kansas on November 16, 2007, in Book 139, Page 018;
	 
	 	4.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Cowley County, Kansas on February 2, 2007 in Book 786, Page
236; as amended and restated by a First Amended and Restated Mortgage, Assignment, Security
Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem
Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of
Canada, administrative agent and collateral agent, filed in Cowley County, Kansas on
November 16, 2007, in Book 805, Pages 1-192;
	 
	 	5.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Elk County, Kansas on February 2, 2007 in Book 116 of
Mortgages, Page 337; as amended and restated by a First Amended and Restated Mortgage,
Assignment, Security Agreement, Fixture Filing and Financing Statement dated November 1,
2007 from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC),
to Royal

Midstream Loan

Transfer Agreement

Exhibit B Page 1 

 

	 	 	 	Bank of Canada, administrative agent and collateral agent, filed in Elk County, Kansas on
November 16, 2007, in Book 117, Page 433;
	 
	 	6.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Greenwood County, Kansas on February 2, 2007 in Book 293 of
Mortgage, Page 53; as amended and restated by a First Amended and Restated Mortgage,
Assignment, Security Agreement, Fixture Filing and Financing Statement dated November 1,
2007 from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC),
to Royal Bank of Canada, administrative agent and collateral agent, filed in Greenwood
County, Kansas on November 19, 2007, in Book 298, Pages 15-265;
	 
	 	7.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Labette County, Kansas on February 2, 2007 in Book 374, Page
29; as amended and restated by a First Amended and Restated Mortgage, Assignment, Security
Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem
Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of
Canada, administrative agent and collateral agent, filed in Labette County, Kansas on
November 20, 2007, in Book 384, Page 57;
	 
	 	8.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Montgomery County, Kansas on February 7, 2007 in Book 563,
Page 730; as amended and restated by a First Amended and Restated Mortgage, Assignment,
Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from
Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal
Bank of Canada, administrative agent and collateral agent, filed in Montgomery County,
Kansas on November 19, 2007, in Book 571, Page 451;
	 
	 	9.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Neosho County, Kansas on February 2, 2007 under File No.
4321, in Book 382, Pages346-411; as amended and restated by a First Amended and Restated
Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge
Pipelines (KPC), to Royal Bank of Canada, administrative agent and collateral agent, filed
in Neosho County, Kansas on November 16, 2007, in Book 398, Pages 386-584;
	 
	 	10.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent
and collateral agent, filed in Wilson County, Kansas on February 2, 2007 in Book 307, Page
224; as amended and restated by a First Amended and Restated Mortgage, Assignment, Security
Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem
Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of
Canada, administrative agent and collateral agent, filed in Wilson County, Kansas on
November 19, 2007, in Book 317, Page 281; and
	 
	 	11.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent

Midstream Loan

Transfer Agreement

Exhibit B Page 2 

 

	 	 	 	and collateral agent, filed in Woodson County, Kansas on February 7, 2007 under File No.
9708299, in Book M101, Pages 535-605; as amended and restated by a First Amended and
Restated Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement
dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge
Pipelines (KPC), to Royal Bank of Canada, administrative agent and collateral agent, filed
in Woodson County, Kansas on November 14, 2007, as Document No. 9709204 and recorded in
Mortgage Book M103, Pages 418-616.

     OKLAHOMA MORTGAGES

	 	1.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Craig County, Oklahoma on February 8, 2007 in Book 0561, Page 753;
as amended and restated by a First Amended and Restated Mortgage, Assignment, Security
Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem
Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of
Canada, administrative agent and collateral agent, filed in Craig County, Oklahoma on November
19, 2007, in Book 0572, Pages 0001-0220; and
	 
	 	2.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Nowata County, Oklahoma on February 20, 2007 in Book 0748, Page
0824-0876; as amended and restated by a First Amended and Restated Mortgage, Assignment,
Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from
Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal
Bank of Canada, administrative agent and collateral agent, filed in Nowata County, Oklahoma on
November 27, 2007, in Book 0756, Pages 0206-0427.

     PART B

KPC PIPELINE MORTGAGES

     KANSAS MORTGAGES

	 	1.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Anderson County, Kansas on November 19, 2007, in Book 229, Page 35;
	 
	 	2.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Barber County, Kansas on November 26, 2007, in Book 185, Page 490;
	 
	 	3.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Butler County, Kansas on November 16, 2007, in Book 2008, Page
5645;

Midstream Loan

Transfer Agreement

Exhibit B Page 3 

 

	 	4.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Chase County, Kansas on November 16, 2007, in Book L-163, Pages
1-182;
	 
	 	5.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Coffey County, Kansas on November 16, 2007, in Book 232, Pages
487-714;
	 
	 	6.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Comanche County, Kansas on November 26, 2007, in Book 87, Page 827;
	 
	 	7.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Cowley County, Kansas on November 16, 2007, in Book 805, Pages
1-192;
	 
	 	8.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Elk County, Kansas on November 16, 2007, in Book 117, Page 433;
	 
	 	9.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Franklin County, Kansas on November 19, 2007, in Book 455, Page
132;
	 
	 	10.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Greenwood County, Kansas on November 19, 2007, in Book 298, Pages
15-265;
	 
	 	11.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Harper County, Kansas on November 19, 2007, in Book 133, Page 649;
	 
	 	12.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Johnson County, Kansas on November 16, 2007, in Book 200711, Page
004054;

Midstream Loan

Transfer Agreement

Exhibit B Page 4 

 

	 	13.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Kingman County, Kansas on November 26, 2007, in Book 273, Page 98;
	 
	 	14.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Lyon County, Kansas on November 20, 2007, in Volume 423, Page 771;
	 
	 	15.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Marion County, Kansas on November 30, 2007, in Book 417, Page 3;
	 
	 	16.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in McPherson County, Kansas on November 19, 2007, in Book 643, Pages
6968-7169;
	 
	 	17.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Miami County, Kansas on November 15, 2007, as Document No.
2007-07281;
	 
	 	18.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Rice County, Kansas on November 19, 2007, in Book 282, Page 921;
	 
	 	19.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Sedgwick County, Kansas on November 16, 2007, as Document No.
28932620; and
	 
	 	20.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Wyandotte County, Kansas on November 20, 2007, in Book 5460, Pages
548-822.

     OKLAHOMA MORTGAGES

	 	1.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and

Midstream Loan

Transfer Agreement

Exhibit B Page 5 

 

	 	 	 	collateral agent, filed in Harper County, Oklahoma on November 20, 2007, in Book 0631, Pages
223-470;

	 	2.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Osage County, Oklahoma on November 19, 2007, in Book 1333, Pages
0222-0464;
	 
	 	3.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Pawnee County, Oklahoma on November 20, 2007, in Book 0636, Pages
0104-0332; and
	 
	 	4.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Woods County, Oklahoma on November 13, 2007, in Book 1036, Pages
0001-0242.

     MISSOURI MORTGAGES

	 	1.	 	Deed of Trust, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
November 1, 2007 from Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to SMF Registered
Services, Inc., Trustee, for the benefit of Royal Bank of Canada, administrative agent and
collateral agent, filed in Cass County, Missouri on November 29, 2007, as Document No. 400829,
recorded in Book 03066, Page 0098;
	 
	 	2.	 	Deed of Trust, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
November 1, 2007 from Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to SMF Registered
Services, Inc., Trustee, for the benefit of Royal Bank of Canada, administrative agent and
collateral agent, filed in Jackson County, Missouri on November 9, 2007, as Document No.
2007E0145085; and
	 
	 	3.	 	Deed of Trust, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
November 1, 2007 from Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to SMF Registered
Services, Inc., Trustee, for the benefit of Royal Bank of Canada, administrative agent and
collateral agent, filed in Platte County, Missouri on November 9, 2007, as Document No.
017422, recorded in Book 1113, Page 0478.

Midstream Loan

Transfer Agreement

Exhibit B Page 6 

 

EXHIBIT C

EXISTING BLUESTEM LOAN DOCUMENTS

	•	 	Midstream Credit Agreement
	 
	•	 	Bluestem Cherokee Basin Mortgages described in Part A of Exhibit B
	 
	•	 	Guaranty dated as of February 21, 2008 by Quest Transmission Company, LLC, in favor of
Royal Bank of Canada, as administrative agent and collateral agent;
	 
	•	 	Pledge and Security Agreement dated as of November 1, 2007 by Quest Midstream Partners,
L.P. in favor of Royal Bank of Canada, as administrative agent and collateral agent;
	 
	•	 	Pledge and Security Agreement dated as of November 1, 2007 by Bluestem Pipeline, LLC in
favor of Royal Bank of Canada, as administrative agent and collateral agent;
	 
	•	 	Pledge and Security Agreement dated as of February 21, 2008 by Quest Transmission
Company, LLC in favor of Royal Bank of Canada, as administrative agent and collateral
agent;
	 
	•	 	Blocked Account Control Agreement dated as of January 31, 2007 among JPMorgan Chase
Bank, N.A., Bluestem Pipeline, LLC and Royal Bank of Canada, as administrative agent and
collateral agent;
	 
	•	 	Deposit Account Control Agreement dated as of January 31, 2007 among Bank of Oklahoma,
N.A., Quest Midstream Partners, L.P. and Royal Bank of Canada, as administrative agent and
collateral agent;

Midstream Loan

Transfer Agreement

Exhibit C

 

EXHIBIT D

PURCHASE PRICE

	 	 	 

	Royal Bank of Canada
	 	 
	Principal (excluding Retained Debt)
	 	$     4,259,462.63
	 
	 	 
	Comerica Bank
	 	 
	Principal
	 	$   15,407,570.10
	 
	 	 
	Compass Bank, successor in interest to Guaranty Bank
	 	 
	Principal
	 	$   15,407,570.10
	 
	 	 
	SunTrust Bank
	 	 
	Principal
	 	$   15,407,570.10
	 
	 	 
	U.S. Bank, National Association
	 	 
	Principal
	 	$   15,407,570.10
	 
	 	 
	Bank of Oklahoma
	 	 
	Principal
	 	$   11,555,677.57
	 
	 	 
	BNP PARIBAS, successor in interest to Fortis Capital Corp.
	 	 
	Principal
	 	$   11,555,677.57
	 
	 	 
	Total for all Midstream Lenders
	 	 
	Principal
	 	$   89,001,098.16 
[after deducting 

$   14,727,092.87 

prepayment]

Midstream Loan

Transfer Agreement

Exhibit D Page 1 

 

EXHIBIT E

FORM OF NOTE ENDORSEMENT

Pay to the order of Royal Bank of Canada, as administrative agent and collateral agent pursuant to
that certain Second Amended and Restated Credit Agreement dated as of September 21, 2010, by and
among PostRock Energy Services Corporation and PostRock MidContinent Production, LLC, as borrowers,
each lender from time to time party thereto, and Royal Bank of Canada, as administrative agent and
collateral agent, without recourse, representation or warranty.

	 	 	 	 	 

	 

	 	By:
	 	[Name of Midstream Lender]

Midstream Loan

Transfer Agreement

Exhibit E

 

Exhibit F

FORM OF ASSIGNMENT OF DEBT AND LIENS

ASSIGNMENT OF DEBT AND LIENS

     THIS ASSIGNMENT OF DEBT AND LIENS (this “Assignment”) is made as of September 21, 2010 by
ROYAL BANK OF CANADA, as administrative agent and collateral agent for the benefit of Secured
Parties (defined below) (“Assignor”), with an address of Royal Bank Plaza, P.O. Box 50, 200 Bay
Street, 12th Floor, South Tower, Toronto, Ontario MSJ 2W7, to ROYAL BANK OF CANADA, as
administrative agent and collateral agent, for the benefit of the BBF Secured Parties (defined
below) (in such capacities referred to herein as “Assignee”), with an address of Royal Bank Plaza,
P.O. Box 50, 200 Bay Street, 12th Floor, South Tower, Toronto, Ontario MSJ 2W7.

R E C I T A L S

     A. Pursuant to the terms of that certain Loan Transfer Agreement dated as of even date
herewith (the “Loan Transfer Agreement”) among POSTROCK MIDCONTINENT PRODUCTION, LLC, a Delaware
limited liability company (“PMP”), formerly known as Bluestem Pipeline, LLC (“Bluestem”), POSTROCK
ENERGY SERVICES CORPORATION, a Delaware corporation (“PESC”), successor by merger to PostRock
Midstream, LLC, successor by merger to (i) Quest Midstream Partners, L.P., a Delaware limited
partnership (“QMLP”; Bluestem and QMLP collectively called the “Borrowers” and individually a
“Borrower”)) and (ii) Quest Transmission Company, LLC, a Delaware limited liability company
(“QTC”), POSTROCK KPC PIPELINE, LLC, a Delaware limited liability company (“KPC Pipeline LLC”),
successor by conversion to Quest Pipelines (KPC), a Kansas general partnership (“QPKPC”), and
successor by merger to Quest Kansas General Partner, L.L.C., a Delaware limited liability company
and a general partner of QPKPC (“QKGP”), and Quest Kansas Pipeline, L.L.C., a Delaware limited
liability company and a general partner in QPKPC (“QKP”; QKP, QKGP, QPKPC, QTC, PESC, and PostRock
Energy Corporation, a Delaware corporation (“PEC”) individually referred to herein as a “Guarantor”
and collectively as the “Guarantors”), ROYAL BANK OF CANADA, as administrative agent and collateral
agent for the Midstream Lenders (defined below) under the Midstream Credit Agreement (defined
below) (the “Midstream Agent”), ROYAL BANK OF CANADA, as administrative agent and collateral agent
for the Borrowing Base Facility Lenders (as defined in the Loan Transfer Agreement) under the
Borrowing Base Facility Credit Agreement (as defined in the Loan Transfer Agreement) and the other
BBF Secured Parties (as defined in the Loan Transfer Agreement), upon satisfaction of certain
conditions specified in the Loan Transfer Agreement the Midstream Agent, as Assignor, is to deliver
assignments in recordable form to assign to Assignee, for the benefit of the Borrowing Base
Facility Lenders, the Assigned Debt (as defined in the Loan Transfer Agreement) and to Assignee,
for the benefit of the BBF Secured Parties, the liens and security interests securing the Assigned
Debt created pursuant to the mortgages described on Exhibit A hereto (the “Bluestem Mortgages”).

     NOW THEREFORE, in consideration of the delivery by Assignee of promissory notes issued by PESC
and PMP representing (among other things) the Purchase Price (as more particularly described and
defined in the Loan Transfer Agreement), for $10.00 in hand paid, the receipt of which is hereby
acknowledged, and in consideration of the premises and for the other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, Assignor and Assignee
hereby agree as follows:

Exhibit F Page 1 

 

ARTICLE I

ASSIGNMENT

     Section 1.1 Assignment. Assignor, for good and valuable consideration to Assignor in
hand paid by Assignee, the receipt and sufficiency of which are hereby acknowledged,

     (a) Assignor hereby GRANTS, BARGAINS, SELLS, ASSIGNS, TRANSFERS AND CONVEYS to
Assignee, without recourse or warranty or representation, express or implied, statutory or
otherwise by Assignor, all of Assignor’s and each Midstream Lender’s (as defined in the
Loan Transfer Agreement) rights, titles and interests in and to the Assigned Debt and the
Bluestem Loan Documents (as defined in the Loan Transfer Agreement) and the benefit of the
liens created by, or arising under, the Bluestem Mortgages (collectively, the “Assigned
Rights”).

TO HAVE AND TO HOLD the Assigned Rights unto Assignee, its successors and assigns, forever;
provided, however, Assignee does not assume and shall not be obligated to pay, perform or
discharge any claim, debt, obligation, expense or liability of Assignor or the Midstream
Lenders of any kind, whether known or unknown, absolute or contingent, under the Bluestem
Loan Documents or otherwise, arising out of any act or omission occurring on or before the
date hereof under the Bluestem Loan Documents.

     Section 1.2 Acceptance. Assignee, by filing and recording this Assignment in one or
more of the counties referred to on Exhibit A, indicates its acknowledgment and acceptance of the
terms hereof.

ARTICLE II

MISCELLANEOUS

     Section 2.1 Exhibit A. Exhibit A is hereby incorporated into this Assignment by
reference and constitutes a part of this Assignment.

     Section 2.2 Successors and Assigns. This Assignment shall be binding upon Assignor and
its successors and assigns.

     Section 2.3 Invalidity. In the event that any one or more of the provisions contained
herein shall, for any reason, be held invalid, illegal or unenforceable in any respect, such
invalidity, illegality or unenforceability shall not affect any other provisions hereof.

     Section 2.4 Counterparts. This Assignment is being executed in several counterparts,
all of which are identical. Each of such counterparts shall for all purposes be deemed to be an
original and all such counterparts shall together constitute but one and the same instrument.
Executed original counterparts of this Assignment to be filed for record in the records of the
jurisdictions wherein some or all of the collateral covered by the Bluestem Mortgages is situated
may have annexed thereto as Exhibit A only the portions or divisions containing specific
descriptions of the collateral located in those jurisdictions. Whenever a recorded counterpart of
this Assignment contains specific descriptions which are less than all of the descriptions
contained in any full counterpart on file with Assignee, the omitted descriptions are hereby
included by reference in that recorded counterpart as if each recorded counterpart conformed to any
full counterpart on file with Assignee.

Exhibit F Page 2 

 

     Section 2.5 Governing Law. WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF LAW, THIS
ASSIGNMENT SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE
OF NEW YORK APPLICABLE TO CONTRACTS MADE AND TO BE PERFORMED ENTIRELY WITHIN SUCH STATE AND THE
LAWS OF THE UNITED STATES OF AMERICA, EXCEPT THAT TO THE EXTENT THAT THE LAW OF A STATE IN WHICH
THIS ASSIGNMENT IS FILED OF RECORD (OR WHICH IS OTHERWISE APPLICABLE TO THIS ASSIGNMENT)
NECESSARILY OR APPROPRIATELY GOVERNS WITH RESPECT TO PROCEDURAL AND SUBSTANTIVE MATTERS RELATING TO
THIS ASSIGNMENT, THE LAW OF SUCH STATE SHALL APPLY.

[Remainder of Page Intentionally Blank;

Signature Pages Follow]

Exhibit F Page 3 

 

     IN WITNESS WHEREOF, the parties have caused this Assignment to be executed by their duly
authorized officers effective as of the date first above written.

	 	 	 	 	 
	 	ASSIGNOR:

ROYAL BANK OF CANADA

as Administrative Agent and Collateral Agent

 	 
	 	By:  	
 	 
	 	 	Leslie P. Vowell 	 
	 	 	Attorney-in-Fact 	 
	 

	 	 	 

	STATE OF TEXAS

	 	§
	 

	 	§
	COUNTY OF HARRIS

	 	§

	 	 	 	 	 

	Kansas	 	BE IT REMEMBERED THAT I, the undersigned authority, a notary public duly qualified, commissioned, sworn and acting
in and for the county and state aforesaid, and being authorized in such county and state to take acknowledgments,
hereby certify that, on this ____ day of September, 2010, there personally appeared before me and known to me (or
satisfactorily proven) to be the person described in the foregoing instrument: Leslie P. Vowell, as
Attorney-in-Fact for Royal Bank of Canada, a Canadian chartered bank, known to me to be such person, such bank
being a party to the foregoing instrument.
	 
	 	 	 	 
	 

	 	KANSAS
	 	The foregoing instrument was acknowledged before me on this day by Leslie P. Vowell, as Attorney-in-Fact
for Royal Bank of Canada, a Canadian chartered bank, on behalf of said bank.
	 
	 	 	 	 
	Missouri	 	On this ____ day of September, 2010, before me personally appeared Leslie P. Vowell, to me known, who being by me
duly sworn, did say that he is the Attorney-in-Fact for Royal Bank of Canada, a Canadian chartered bank, said bank
has no corporate seal, that said instrument was signed on behalf of said bank by authority of its Board of
Directors, and acknowledged said instrument to be the free act and deed of said bank..
	 
	 	 	 	 
	Oklahoma	 	This instrument was acknowledged before me on this ____ day of September, 2010, by Leslie P. Vowell, as
Attorney-in-Fact for Royal Bank of Canada, a Canadian chartered bank, on behalf of said bank.
	 
	 	 	 	 
	 	 	IN TESTIMONY AND WITNESS WHEREOF, I have hereunto set my hand and official seal on the day and year first above
written.
	 
	 	 	 	 
	 

	 	 	 	
 

	 

	 	 	 	NOTARY PUBLIC, State of TEXAS
	 
	 	 	My commission expires:
	 
	 	 	 	 
	 

	 	           [SEAL]

Exhibit F Page 4 

 

Exhibit A

Bluestem Cherokee Basin Mortgages

     KANSAS MORTGAGES

	 	1.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Anderson County, Kansas on November 19, 2007, in Book 229, Page 35;
	 
	 	2.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Allen County, Kansas on February 12, 2007, in Book A83, Pages
930-993; as amended and restated by a First Amended and Restated Mortgage, Assignment,
Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from
Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal
Bank of Canada, administrative agent and collateral agent, filed in Allen County, Kansas on
November 21, 2007, as Document No. 2007-0856;
	 
	 	3.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Barber County, Kansas on November 26, 2007, in Book 185, Page 490;
	 
	 	4.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Butler County, Kansas on February 7, 2007, in Book 2007, Page
4932; as amended and restated by a First Amended and Restated Mortgage, Assignment, Security
Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem
Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of
Canada, administrative agent and collateral agent, filed in Butler County, Kansas on November
16, 2007, in Book 2008, Page 5645;
	 
	 	5.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Chase County, Kansas on November 16, 2007, in Book L-163, Pages
1-182;
	 
	 	6.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Chautauqua County, Kansas on February 2, 2007 in Book 135 of
Records, Page 687; as amended and restated by a First Amended and Restated Mortgage,
Assignment, Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007
from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to
Royal Bank of Canada, administrative agent and collateral agent, filed in Chautauqua County,
Kansas on November 16, 2007, in Book 139, Page 018;
	 
	 	7.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and

Exhibit F Page 5 

 

	 	 	 	collateral agent, filed in Coffey County, Kansas on November 16, 2007, in Book 232, Pages
487-714;
	 
	 	8.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Comanche County, Kansas on November 26, 2007, in Book 87, Page 827;
	 
	 	9.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Cowley County, Kansas on February 2, 2007 in Book 786, Page 236; as
amended and restated by a First Amended and Restated Mortgage, Assignment, Security Agreement,
Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and
Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative
agent and collateral agent, filed in Cowley County, Kansas on November 16, 2007, in Book 805,
Pages 1-192;
	 
	 	10.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Elk County, Kansas on February 2, 2007 in Book 116 of Mortgages,
Page 337; as amended and restated by a First Amended and Restated Mortgage, Assignment,
Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from
Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal
Bank of Canada, administrative agent and collateral agent, filed in Elk County, Kansas on
November 16, 2007, in Book 117, Page 433;
	 
	 	11.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Franklin County, Kansas on November 19, 2007, in Book 455, Page
132;
	 
	 	12.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Greenwood County, Kansas on February 2, 2007 in Book 293 of
Mortgage, Page 53; as amended and restated by a First Amended and Restated Mortgage,
Assignment, Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007
from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to
Royal Bank of Canada, administrative agent and collateral agent, filed in Greenwood County,
Kansas on November 19, 2007, in Book 298, Pages 15-265;
	 
	 	13.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Harper County, Kansas on November 19, 2007, in Book 133, Page 649;
	 
	 	14.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Johnson County, Kansas on November 16, 2007, in Book 200711, Page
004054;

Exhibit F Page 6 

 

	 	15.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Kingman County, Kansas on November 26, 2007, in Book 273, Page 98;
	 
	 	16.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Labette County, Kansas on February 2, 2007 in Book 374, Page 29; as
amended and restated by a First Amended and Restated Mortgage, Assignment, Security Agreement,
Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and
Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative
agent and collateral agent, filed in Labette County, Kansas on November 20, 2007, in Book 384,
Page 57;
	 
	 	17.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Lyon County, Kansas on November 20, 2007, in Volume 423, Page 771;
	 
	 	18.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Marion County, Kansas on November 30, 2007, in Book 417, Page 3;
	 
	 	19.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in McPherson County, Kansas on November 19, 2007, in Book 643, Pages
6968-7169;
	 
	 	20.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Miami County, Kansas on November 15, 2007, as Document No.
2007-07281;
	 
	 	21.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Montgomery County, Kansas on February 7, 2007 in Book 563, Page
730; as amended and restated by a First Amended and Restated Mortgage, Assignment, Security
Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem
Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of
Canada, administrative agent and collateral agent, filed in Montgomery County, Kansas on
November 19, 2007, in Book 571, Page 451;
	 
	 	22.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Neosho County, Kansas on February 2, 2007 under File No. 4321, in
Book 382, Pages346-411; as amended and restated by a First Amended and Restated Mortgage,
Assignment, Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007
from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC),

Exhibit F Page 7 

 

	 	 	 	to Royal Bank of Canada, administrative agent and collateral agent, filed in Neosho County,
Kansas on November 16, 2007, in Book 398, Pages 386-584;
	 
	 	23.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Rice County, Kansas on November 19, 2007, in Book 282, Page 921;
	 
	 	24.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Sedgwick County, Kansas on November 16, 2007, as Document No.
28932620;
	 
	 	25.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Wilson County, Kansas on February 2, 2007 in Book 307, Page 224; as
amended and restated by a First Amended and Restated Mortgage, Assignment, Security Agreement,
Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and
Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative
agent and collateral agent, filed in Wilson County, Kansas on November 19, 2007, in Book 317,
Page 281;
	 
	 	26.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Woodson County, Kansas on February 7, 2007 under File No. 9708299,
in Book M101, Pages 535-605; as amended and restated by a First Amended and Restated Mortgage,
Assignment, Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007
from Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to
Royal Bank of Canada, administrative agent and collateral agent, filed in Woodson County,
Kansas on November 14, 2007, as Document No. 9709204 and recorded in Mortgage Book M103, Pages
418-616; and
	 
	 	27.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Wyandotte County, Kansas on November 20, 2007, in Book 5460, Pages
548-822.

     OKLAHOMA MORTGAGES

	 	1.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Craig County, Oklahoma on February 8, 2007 in Book 0561, Page 753;
as amended and restated by a First Amended and Restated Mortgage, Assignment, Security
Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from Bluestem
Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of
Canada, administrative agent and collateral agent, filed in Craig County, Oklahoma on November
19, 2007, in Book 0572, Pages 0001-0220;

Exhibit F Page 8 

 

	 	2.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Harper County, Oklahoma on November 20, 2007, in Book 0631, Pages
223-470;
	 
	 	3.	 	Mortgage, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
January 31, 2007 from Bluestem Pipeline, LLC to Royal Bank of Canada, administrative agent and
collateral agent, filed in Nowata County, Oklahoma on February 20, 2007 in Book 0748, Page
0824-0876; as amended and restated by a First Amended and Restated Mortgage, Assignment,
Security Agreement, Fixture Filing and Financing Statement dated November 1, 2007 from
Bluestem Pipeline, LLC and Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to Royal
Bank of Canada, administrative agent and collateral agent, filed in Nowata County, Oklahoma on
November 27, 2007, in Book 0756, Pages 0206-0427;
	 
	 	4.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Osage County, Oklahoma on November 19, 2007, in Book 1333, Pages
0222-0464;
	 
	 	5.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Pawnee County, Oklahoma on November 20, 2007, in Book 0636, Pages
0104-0332; and
	 
	 	6.	 	First Amended and Restated Mortgage, Assignment, Security Agreement, Fixture Filing and
Financing Statement dated November 1, 2007 from Bluestem Pipeline, LLC and Quest Pipelines
(KPC), f/k/a Enbridge Pipelines (KPC), to Royal Bank of Canada, administrative agent and
collateral agent, filed in Woods County, Oklahoma on November 13, 2007, in Book 1036, Pages
0001-0242.

     MISSOURI MORTGAGES

	 	1.	 	Deed of Trust, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
November 1, 2007 from Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to SMF Registered
Services, Inc., Trustee, for the benefit of Royal Bank of Canada, administrative agent and
collateral agent, filed in Cass County, Missouri on November 29, 2007, as Document No. 400829,
recorded in Book 03066, Page 0098;
	 
	 	2.	 	Deed of Trust, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
November 1, 2007 from Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to SMF Registered
Services, Inc., Trustee, for the benefit of Royal Bank of Canada, administrative agent and
collateral agent, filed in Jackson County, Missouri on November 9, 2007, as Document No.
2007E0145085; and
	 
	 	3.	 	Deed of Trust, Assignment, Security Agreement, Fixture Filing and Financing Statement dated
November 1, 2007 from Quest Pipelines (KPC), f/k/a Enbridge Pipelines (KPC), to SMF Registered
Services, Inc., Trustee, for the benefit of Royal Bank of Canada, administrative agent

Exhibit F Page 9 

 

	 	 	 	and collateral agent, filed in Platte County, Missouri on November 9, 2007, as Document No.
017422, recorded in Book 1113, Page 0478.

Exhibit F Page 10

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