Document:

Exhibit 10.5

 

SECOND AMENDMENT TO REVOLVING CREDIT
AGREEMENT

 

SECOND AMENDMENT TO REVOLVING CREDIT AGREEMENT (hereinafter referred to
as the “Amendment”) dated as of February 14, 2006, by and among TXOK
ACQUISITION, INC. (“Borrower”), CERTAIN SUBSIDIARIES OF BORROWER, as
Guarantors (the “Guarantors”),
the LENDERS party hereto (the “Lenders”), and JPMORGAN CHASE BANK, N.A.,
as Administrative Agent (“Administrative Agent”).  Unless the context otherwise requires or
unless otherwise expressly defined herein, capitalized terms used but not
defined in this Amendment have the meanings assigned to such terms in the
Credit Agreement (as defined below).

 

WITNESSETH:

 

WHEREAS, Borrower,
Guarantors, Administrative Agent and Lenders entered into that certain Credit
Agreement dated as of September 27, 2005, (as amended, supplemented or
otherwise modified from time to time, the “Credit Agreement”); and

 

WHEREAS, Borrower
has requested that, in connection with the initial public offering of common
stock by EXCO Resources, Inc. (“EXCO”), the Administrative Agent and the
Lenders amend the Credit Agreement to permit the Borrower to make Restricted
Payments to EXCO from and after the IPO Date; and Administrative Agent and
Lenders have agreed to do so on the terms and conditions hereinafter set forth;

 

NOW, THEREFORE, for
and in consideration of the mutual covenants and agreements herein contained
and other good and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged and confessed, Borrower, Guarantors, Administrative
Agent and the Lenders, hereby agree as follows:

 

SECTION 1.                            Amendments to Credit Agreement.  Subject to the satisfaction or waiver in
writing of each condition precedent set forth in Section 2 hereof,
and in reliance on the representations, warranties, covenants and agreements
contained in this Amendment, the Credit Agreement shall be amended in the
manner provided in this Section 1.

 

1.1                               Additional
Definitions.  Section 1.01
of the Credit Agreement shall be and it hereby is amended by inserting the
following definitions in appropriate alphabetical order:

 

“EXCO
Revolving Facility” means, that certain Third Amended and Restated Credit
Agreement dated January 27, 2004, among EXCO, EXCO Operating, LP, a
Delaware limited partnership, North Coast Energy, Inc., a Delaware
corporation, and North Coast Energy Eastern, Inc., a Delaware corporation,
as borrowers, the lenders from time to time a party thereto, JPMorgan Chase
Bank, N.A. (successor by merger to Bank One, N.A. (Illinois)), a national banking
association, as administrative agent, BNP Paribas, as syndication agent, The
Bank of Nova Scotia, as co-documentation agent and Toronto-Dominion (Texas), as
co-documentation agent, as it may be amended, supplemented or otherwise
modified from time to time.

 

1

 

“EXCO
Guarantor” means EXCO and each Subsidiary of EXCO that hereafter executes
and delivers to the Administrative Agent and the Lenders a Guarantee in the
form attached hereto as Exhibit E.

 

1.2                               Indebtedness.  Section 7.01 of the Credit
Agreement shall be and it hereby is amended by deleting clauses (h), (i) and  (j) of such Section and
inserting the following in replacement thereof:

 

(h) prior
to the consummation of the Initial Public Offering and the receipt by EXCO of
the proceeds thereof, Indebtedness under the Term Facility in an aggregate
principal amount not exceeding $200,000,000 at any time outstanding;

 

(i) Guarantees
of the EXCO Revolving Facility; provided that, simultaneously with the execution
and delivery of any such Guarantee of the EXCO Revolving Facility, EXCO and its
Material Domestic Subsidiaries (as defined in the EXCO Revolving Facility)
execute and deliver to the Administrative Agent a Guarantee in the form
attached hereto as Exhibit E;

 

(j)
Indebtedness under the 71⁄4% Senior Notes due 2011 of EXCO issued under that
certain Indenture dated January 20, 2004, by and among EXCO, certain
Subsidiaries of EXCO and Wilmington Trust Company, in its capacity as trustee.

 

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

 

1.3                               Liens.  Section 7.02 of the Credit
Agreement shall be and it hereby is amended by deleting the word “and” at the
end of clause (e) of such Section, deleting the period “.” at the end of
clause (f) of such Section and inserting  “; and” at the
end of such clause and by inserting the following at the end of such Section as
clauses (g):

 

(g) Liens
securing the Indebtedness liabilities and obligations of EXCO and its
Subsidiaries under the EXCO Revolving Facility including the Indebtedness
permitted under clause (i) of Section 7.01.

 

1.4                               Restricted
Payments.  Section 7.06
of the Credit Agreement shall be and it hereby is amended by amending and
restating clause (f) of such Section to
read in its entirety as follows:

 

(f) so
long as no Default shall have occurred and be continuing or would result from
the making of such Restricted Payment, (i) at any time prior to the IPO
Date, Restricted Payments by the Borrower to Holdings to (1) fund the
payment by Holdings of administrative, legal, financial, accounting or other
similar expenses relating to Holdings’ direct or indirect ownership of the
Borrower, so long as payments are paid as and when needed by Holdings and do
not exceed in the aggregate $1,000,000 in any fiscal year of the Borrower; (2) pay
the consolidated tax liabilities of Holdings and its

 

2

 

Subsidiaries
so long as Holdings applies the amount of any such Restricted Payment for such
purpose and the Borrower’s  aggregate
Restricted Payments for payment of such taxes as a result of the filing of a
consolidated return with Holdings is not greater nor the receipt of tax
benefits less, than they would have been had the Borrower not filed a
consolidated return with Holdings; and (3) fund the repurchase, redemption
or other acquisition or retirement for value of any of Holdings’ Equity
Interests upon the termination of employment, death, permanent disability or
retirement of any officer or employee of Holdings or any of its Subsidiaries; provided
that, the aggregate amount of such Restricted Payments pursuant to this clause (3) shall
not exceed $2,000,000 in the aggregate; and (ii) at any time on or after
the IPO Date, but subject to the 
consummation of the IPO and the repayment in full in cash of the Term
Facility, Restricted Payments by the Borrower to EXCO.

 

1.5                               Events
of Default.  Article IX
of the Credit Agreement shall be and it hereby is amended by deleting the word “or” from clause (m) of such Article and inserting the
following as clauses (o) and (p) of such Article:

 

(o)
EXCO fails to apply the proceeds of the Initial
Public Offering, its cash or the proceeds of Indebtedness it incurs on the IPO
Date in accordance with the Use of Proceeds section of EXCO’s S-1
Registration Statement filed in connection with the Initial Public Offering or
otherwise fails to comply with the covenants regarding the application of the
proceeds of the Initial Public Offering set forth in the Underwriting Agreement
executed and delivered by EXCO in connection with the Initial Public Offering;
or

 

(p) EXCO or
any of its Material Domestic Subsidiaries (as defined in the EXCO Revolving
Facility) ceases to be an EXCO Guarantor at any time after Borrower becomes a
Subsidiary of EXCO.

 

1.6                               Exhibits.  Exhibit E attached hereto shall be and
it hereby is added to the Credit Agreement as Exhibit E.

 

1.7                               Consent
and Waiver. Administrative Agent and each Lender hereby consents to, and
waives any Default arising from, the EXCO’s use of the proceeds of the Initial
Public Offering, cash on hand and loans made under the EXCO Revolving Facility
in accordance with the Use of Proceeds section of the Company’s S-1
Registration Statement filed in connection with the Initial Public Offering and
the covenants regarding the application of the proceeds of the Initial Public
Offering set forth in the Underwriting Agreement executed and delivered by EXCO
in connection with the Initial Public Offering, including the use of such
proceeds on, or within five (5) Business Days following, the IPO Date to (i) repay
$350.0 million in principal plus accrued and unpaid interest under an interim
loan facility incurred in connection with the recent equity buyout of EXCO
Holdings, Inc., a Delaware corporation, (ii) repay $202.1 million in
principal plus accrued and unpaid interest under the Term Facility, (iii) redeem
the 15% Series A Convertible Preferred Stock of TXOK for approximately
$162 million and (iv) pay approximately $3.7 million in fees and expenses
incurred in connection with the Initial Public Offering.

 

3

 

SECTION 2.                            Conditions. 
The amendments to the Credit Agreement contained in Section 1
of this Amendment shall be effective upon the satisfaction of each of the
conditions set forth in this Section 2.

 

2.1                               Execution
and Delivery.  Each Credit Party
shall have executed and delivered this Amendment.

 

2.2                               EXCO
Revolving Facility Amendment.  The Administrative
Agent shall have received a fully executed amendment of the EXCO Revolving
Facility amending such facility to permit the Indebtedness evidenced by the
Credit Agreement and the other Loan Documents and the Liens securing the
Obligations.

 

2.3                               EXCO
Guarantors.  The Administrative Agent
shall have received a fully executed Guarantee in the form attached hereto as Exhibit E
from EXCO and each of its Material Domestic Subsidiaries (as defined in the
EXCO Revolving Facility).

 

2.4                               No
Default.  No Default shall have
occurred and be continuing.

 

2.5                               Other
Documents.  The Administrative Agent
shall have received such other instruments and documents incidental and
appropriate to the transaction provided for herein as the Administrative Agent
or its special counsel may reasonably request, and all such documents shall be
in form and substance satisfactory to the Administrative Agent.

 

SECTION 3.                            Representations
and Warranties of Borrower.  To
induce the Lenders to enter into this Amendment, each Credit Party hereby
represents and warrants to the Lenders as follows:

 

3.1                               Reaffirmation
of Representations and Warranties/Further Assurances.  After giving effect to the amendments herein,
each representation and warranty of such Credit Party contained in the Credit
Agreement or in any other Loan Document is true and correct in all material
respects on the date hereof (except to the extent such representations and
warranties relate solely to an earlier date).

 

3.2                               Corporate
Authority; No Conflicts.  The
execution, delivery and performance by such Credit Party of this Amendment and
all documents, instruments and agreements contemplated herein are within such
Credit Party’s corporate or other organizational powers, have been duly
authorized by necessary action, require no action by or in respect of, or
filing with, any court or agency of government and do not violate or constitute
a default under any provision of any applicable law or other agreements binding
upon such Credit Party or result in the creation or imposition of any Lien upon
any of the assets of such Credit Party except for Liens permitted under Section 7.02
of the Credit Agreement.

 

3.3                               Enforceability.  This Amendment constitutes the valid and
binding obligation of such Credit Party enforceable in accordance with its
terms, except as (i) the enforceability thereof may be limited by
bankruptcy, insolvency or similar laws affecting creditor’s rights generally,
and (ii) the availability of equitable remedies may be limited by
equitable principles of general application.

 

4

 

3.4                               Short
Term Notes.  The Short Term Notes
were paid in full prior to the date hereof with the proceeds of a cash equity
contribution in accordance with Section 7.14 of the Credit Agreement.

 

SECTION 4.                            Miscellaneous.

 

4.1                               Reaffirmation
of Loan Documents and Liens.  Any and
all of the terms and provisions of the Credit Agreement and the Loan Documents
shall, except as amended and modified hereby, remain in full force and
effect.  Each Credit Party hereby agrees
that the amendments and modifications herein contained shall in no manner
affect or impair the liabilities, duties and obligations of any Credit Party
under the Credit Agreement and the other Loan Documents or the Liens securing
the payment and performance thereof.

 

4.2                               Parties
in Interest.  All of the terms and
provisions of this Amendment shall bind and inure to the benefit of the parties
hereto and their respective successors and assigns.

 

4.3                               Legal
Expenses.  Each Credit Party hereby
agrees to pay all reasonable fees and expenses of special counsel to the Administrative
Agent incurred by the Administrative Agent in connection with the preparation,
negotiation and execution of this Amendment and all related documents.

 

4.4                               Counterparts.  This Amendment may be executed in one or more
counterparts and by different parties hereto in separate counterparts each of
which when so executed and delivered shall be deemed an original, but all such
counterparts together shall constitute but one and the same instrument;
signature pages may be detached from multiple separate counterparts and
attached to a single counterpart so that all signature pages are
physically attached to the same document. 
However, this Amendment shall bind no party until each Credit Party, the
Lenders (or at least the required percentage thereof), and the Administrative
Agent have executed a counterpart. 
Delivery of photocopies of the signature pages to this Amendment by
facsimile or electronic mail shall be effective as delivery of manually
executed counterparts of this Amendment.

 

4.5                               Complete
Agreement.  THIS AMENDMENT, THE CREDIT
AGREEMENT, AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT BETWEEN
THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS
OR ORAL AGREEMENTS OF THE PARTIES.  THERE
ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

 

4.6                               Headings.  The headings, captions and arrangements used
in this Amendment are, unless specified otherwise, for convenience only and
shall not be deemed to limit, amplify or modify the terms of this Amendment,
nor affect the meaning thereof.

 

[Signature Pages Follow]

 

5

 

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

 

 

	
   

  	
  BORROWER:

  
	
   

  	
   

  
	
   

  	
  TXOK ACQUISITION, INC.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  GUARANTORS:

  
	
   

  	
   

  
	
   

  	
  TXOK ENERGY RESOURCES COMPANY,

  
	
   

  	
  a Delaware corporation (formerly known as

  ONEOK Energy Resources Company)

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  TXOK ENERGY RESOURCES HOLDINGS,

  L.L.C.,

  
	
   

  	
  a Delaware limited liability company (formerly

  known as ONEOK Energy Resource Holdings,

  L.L.C.)

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  

 

 

	
   

  	
  TXOK TEXAS ENERGY HOLDINGS, LLC,

  
	
   

  	
  a Delaware limited liability company (formerly

  known as ONEOK Texas Energy Holdings, LLC)

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  TXOK TEXAS ENERGY RESOURCES, L.P.,

  
	
   

  	
  a Delaware limited partnership (formerly known as

  ONEOK Texas Energy Resources, L.P.)

  
	
   

  	
   

  
	
   

  	
  By:

  	
  TXOK Texas Energy Holdings, LLC,

  
	
   

  	
   

  	
  as general partner

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
				

 

 

	
   

  	
  ADMINISTRATIVE AGENT:

  
	
   

  	
   

  
	
   

  	
  JPMORGAN CHASE BANK, N.A., individually

  and as Administrative Agent

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Wm. Mark Cranmer

  
	
   

  	
  Name:

  	
  Wm. Mark Cranmer

  
	
   

  	
  Title:

  	
  Vice President

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  THE BANK OF SCOTLAND

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Karen Weich

  	
   

  
	
   

  	
  Name:

  	
  Karen Weich

  
	
   

  	
  Title:

  	
  Assistant Vice President

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  BNP PARIBAS

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Russell Otts

  	
   

  
	
   

  	
  Name:

  	
  Russell Otts

  	
   

  
	
   

  	
  Title:

  	
  Vice President

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Polly Schott

  	
   

  
	
   

  	
  Name:

  	
  Polly Schott

  	
   

  
	
   

  	
  Title:

  	
  Vice President

  	
   

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  CITIBANK TEXAS, N.A.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Angela McCracken

  	
   

  
	
   

  	
  Name:

  	
  Angela McCracken

  	
   

  
	
   

  	
  Title:

  	
  Vice President

  	
   

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  COMERICA BANK

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Peter L. Sefzik

  	
   

  
	
   

  	
  Name:

  	
  Peter L. Sefzik

  	
   

  
	
   

  	
  Title:

  	
  Vice President

  	
   

  
					

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  FORTIS CAPITAL CORP

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Darrell Holley

  	
   

  
	
   

  	
  Name:

  	
  Darrell Holley

  
	
   

  	
  Title:

  	
  Managing Director

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Michele Jones

  	
   

  
	
   

  	
  Name:

  	
  Michele Jones

  
	
   

  	
  Title:

  	
  Senior Vice President

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  GUARANTY BANK

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ John A. Clark

  	
   

  
	
   

  	
  Name:

  	
  John A. Clark

  
	
   

  	
  Title:

  	
  Senior Vice President

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  KEY BANK, N.A.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Thomas Rajan

  	
   

  
	
   

  	
  Name:

  	
  Thomas Rajan

  	
   

  
	
   

  	
  Title:

  	
  Vice President

  	
   

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  SCOTIABANC, INC.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ William E. Zarrett

  	
   

  
	
   

  	
  Name:

  	
  William E. Zarrett

  
	
   

  	
  Title:

  	
  Managing Director

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  SUNTRUST BANK

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Sean M. Roche

  	
   

  
	
   

  	
  Name:

  	
  Sean M. Roche

  	
   

  
	
   

  	
  Title:

  	
  Vice President

  	
   

  

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  UNION BANK OF CALIFORNIA, N.A.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Allison Fuqua

  	
   

  
	
   

  	
  Name:

  	
  Allison Fuqua

  
	
   

  	
  Title:

  	
  Investment Banking Officer

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Sean Murphy

  	
   

  
	
   

  	
  Name:

  	
  Sean Murphy

  
	
   

  	
  Title:

  	
  Vice President

  
					

 

 

	
   

  	
  LENDER:

  
	
   

  	
   

  
	
   

  	
  WACHOVIA BANK, N.A.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ Dwight Battle

  	
   

  
	
   

  	
  Name:

  	
  Dwight Battle

  
	
   

  	
  Title:

  	
  Vice President

  

 

 

EXHIBIT E

 

FORM OF GUARANTEE

 

GUARANTEE, dated as of [                    ],
2006, made by each of the signatories hereto (the “Guarantors”), in
favor of JPMORGAN CHASE BANK, N.A., as Administrative Agent (in such capacity,
the “Administrative Agent”) for the banks and other financial
institutions or entities (the “Lenders”) from time to time parties to
the Credit Agreement, dated as of September 27, 2005 (as amended,
supplemented or otherwise modified from time to time, the “Credit Agreement”),
among TXOK Acquisition, Inc. (the “Borrower”), certain Subsidiaries
of Borrower as Guarantors, the Lenders and the Administrative Agent.

 

W I  T
N  E  S  S  E  T  H:

 

WHEREAS, pursuant to the
Credit Agreement, the Lenders have severally agreed to make extensions of
credit to the Borrower upon the terms and subject to the conditions set forth
therein;

 

WHEREAS, EXCO Resources, Inc.
owns equity interests in the Borrower and the Guarantors will derive
substantial direct and indirect benefit from the making of the extensions of
credit under the Credit Agreement; and

 

WHEREAS, it is a condition
precedent to the obligation of the Lenders to make their respective extensions
of credit to the Borrower under the Credit Agreement that the Guarantors shall
have agreed to execute and deliver this Agreement to the Administrative Agent
for the ratable benefit of the Lenders;

 

NOW, THEREFORE, in
consideration of the premises each Guarantor hereby agrees with the
Administrative Agent, for the ratable benefit of the Lenders, as follows:

 

SECTION 1.                            DEFINED
TERMS

 

1.1                               Definitions.

 

(a)                                  Unless otherwise
defined herein, terms defined in the Credit Agreement and used herein shall
have the meanings given to them in the Credit Agreement.

 

(b)                                 The following terms
shall have the following meanings:

 

“Agreement”:  this Guarantee, as the same may be amended,
supplemented or otherwise modified from time to time.

 

“Guarantee”:                           the guarantee
contained in Section 2.

 

“Obligations”:  means all obligations of
every nature of the Borrower from time to time owing to the Administrative Agent,
the Lenders, the Lender Counterparties or any of them under any Loan Document
or Swap Agreement, whether for principal, interest, funding indemnification
amounts, fees, expenses, indemnification or otherwise.

 

1.2                               Other
Definitional Provisions.(a)                    The
words “hereof,” “herein”, “hereto” and “hereunder” and words of similar import
when used in this Agreement shall refer to this

 

1

 

Agreement as a whole and not to any
particular provision of this Agreement, and Section and Schedule references
are to this Agreement unless otherwise specified.

 

(b)                                 The meanings given to terms defined herein shall be equally applicable to both the
singular and plural forms of such terms.

 

SECTION 2.                            GUARANTEE

 

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

 

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

 

2.3                               Guarantee Irrevocable.  This
Guarantee is a continuing guaranty of the payment of all Guaranteed Liabilities
now or hereafter existing under this Agreement and shall remain in full force
and effect until payment in full of all Guaranteed Liabilities and other
amounts payable hereunder and until this Agreement is no longer in effect or,
if earlier, when the Guarantor has given

 

2

 

the Administrative Agent written notice that this Guarantee has been
revoked; provided that any notice under this Section shall not release the
revoking Guarantor from any Guaranteed Liability, absolute or contingent,
existing prior to the Administrative Agent’s actual receipt of the notice at
its branches or departments responsible for this Agreement and reasonable
opportunity to act upon such notice.

 

2.4                               Reinstatement.  This
Guarantee shall continue to be effective or be reinstated, as the case may be,
if at any time any payment of any of the Guaranteed Liabilities is rescinded or
must otherwise be returned by the Administrative Agent or any Lender on the
insolvency, bankruptcy or reorganization of the Borrower, or any Guarantor, or
otherwise, all as though the payment had not been made.

 

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

 

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

 

2.7                               Payments Generally.  All
payments by the Guarantors hereunder shall be made in Dollars in immediately
available funds.

 

2.8                               Setoff.  Each Guarantor agrees that, in
addition to (and without limitation of) any right of setoff, banker’s lien or
counterclaim the Administrative Agent or any Lender may otherwise have, the
Administrative Agent or such Lender shall be entitled, at its option, to offset
balances (general or special, time or demand, provisional or final) held by it
for the account of any Guarantor at any office of the Administrative Agent or
such Lender, in Dollars or in any other currency, against any amount payable by
such Guarantor under this Guarantee which is not paid when due

 

3

 

(regardless of whether such balances are then due to such Guarantor),
in which case it shall promptly notify such Guarantor thereof; provided that
the failure of the Administrative Agent or such Lender to give such notice
shall not affect the validity thereof.

 

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

 

SECTION 3.                            REPRESENTATIONS
AND WARRANTIES

 

Each Guarantor hereby
represents and warrants to the Administrative Agent and each Lender that:

 

3.1                               Power
and Authority.  Each Guarantor is
duly authorized and empowered to execute, deliver and perform this Agreement;
and all action on each of the Guarantor’s part requisite for the due execution,
delivery and performance of this Agreement, has been duly and effectively
taken.

 

3.2                               Binding
Obligations.  This Agreement
constitutes the valid and binding obligations of each Guarantor, enforceable in
accordance with its terms (except that enforcement may be subject to general
principles of equity and any applicable bankruptcy, insolvency, or similar
debtor relief laws now or hereafter in effect and relating to or affecting the
enforcement of creditors’ rights generally).

 

3.3                               No
Legal Bar or Resultant Lien.  This
Agreement does not and will not, to the best of each Guarantor’s knowledge,
violate any provisions of any contract, agreement, law, regulation, order,
injunction, judgment, decree or writ to which such Guarantor is subject, or
result in the creation or imposition of any Lien or other encumbrance upon any
assets or properties of such Guarantor.

 

3.4                               No
Consent.  The execution, delivery and
performance by each Guarantor of this Agreement does not require the order,
consent, adjudication, approval, license, authorization or validation of, or
filing, recording or registration with, or exemption by, or other action in
respect of any other Person or entity, including without limitation any regulatory
authority or governmental body of the United States or any state thereof or any
political subdivision of the United States or any state thereof except for
consents required for federal, state and, in some instances, private leases,
right of ways and other conveyances or encumbrances of oil and gas leases.

 

SECTION 4.                            MISCELLANEOUS

 

4.1                               Amendments
in Writing.  None of the terms or
provisions of this Agreement may be waived, amended, supplemented or otherwise
modified except pursuant to a written instrument signed by the Administrative
Agent and each Guarantor.

 

4.2                               Exercise of Rights.  No failure to exercise, and no delay in
exercising, on the part of the Administrative Agent or the Lenders, any right
hereunder shall operate as a waiver thereof,

 

4

 

nor shall any single or partial exercise
thereof preclude any other or further exercise thereof or the exercise of any
other right.  The rights of the
Administrative Agent and the Lenders hereunder shall be in addition to all
other rights provided by law.

 

4.3                               Notices.  All notices, requests and demands to or upon
the Administrative Agent hereunder shall be effected in the manner provided for
in Section 11.01 of the Credit Agreement; provided that any such notice,
request or demand to or upon any Guarantor shall be addressed to such Guarantor
at its notice address set forth on the signature pages hereto.

 

4.4                               Expenses.  Each Guarantor agrees
to pay or reimburse each Lender and the Administrative Agent for all its costs
and expenses incurred in collecting against such Guarantor under the Guarantee
or otherwise enforcing or preserving any rights under this Agreement,
including, without limitation, the fees and disbursements of counsel (including
the allocated fees and expenses of in-house counsel) to each Lender and of
counsel to the Administrative Agent.  THE BORROWERS HEREBY
ACKNOWLEDGE THAT GARDERE WYNNE SEWELL LLP IS SPECIAL COUNSEL TO JPMORGAN CHASE
BANK, N.A., AS ADMINISTRATIVE AGENT AND AS A LENDER, UNDER THIS AGREEMENT AND
THAT IT IS NOT COUNSEL TO, NOR DOES IT REPRESENT THE BORROWER OR ANY GUARANTOR
IN CONNECTION WITH THE TRANSACTIONS DESCRIBED IN THIS AGREEMENT.  The Borrower and each Guarantor is relying on
separate counsel in the transaction described herein.  The obligations of this Section 4.4
shall survive any termination of this Agreement and the payment of all
indebtedness of the Borrower to the Lenders under the Credit Agreement.

 

4.5                               Indemnity.  Each Guarantor agrees to indemnify and hold
harmless the Administrative Agent and the Lenders and their respective
officers, employees, agents, attorneys and representatives (singularly, an “Indemnified
Party”, and collectively, the “Indemnified Parties”) from and against any loss,
cost, liability, damage or expense (including the reasonable fees and
out-of-pocket expenses of counsel to the Indemnified Parties, including all
local counsel hired by such counsel) (“Claim”) incurred by the Indemnified
Parties in investigating or preparing for, defending against, or providing
evidence, producing documents or taking any other action in respect of any
commenced or threatened litigation, administrative proceeding or investigation
under any federal securities law, federal or state environmental law, or any
other statute of any jurisdiction, or any regulation, or at common law or
otherwise, which is alleged to arise out of or is based upon any acts,
practices or omissions or alleged acts, practices or omissions of such
Guarantor or its agents or arises in connection with the duties, obligations or
performance of the Indemnified Parties in negotiating, preparing, executing,
accepting, keeping, completing, countersigning, issuing, selling, delivering,
releasing, assigning, handling, certifying, processing or receiving or taking
any other action with respect to this Agreement and all documents, items and
materials contemplated thereby even if any of the foregoing arises out of an
Indemnified Party’s ordinary negligence. 
The indemnity set forth herein shall be in addition to any other
obligations or liabilities of each Guarantor to the Lenders hereunder or at
common law or otherwise, and shall survive any termination of this Agreement
and the payment of all indebtedness of the Borrower under the Credit Agreement,
provided that no Guarantor shall have any obligation under this Section to
a Lender with respect to any of the foregoing arising out of the gross
negligence or willful misconduct of any Lender. 
If any Claim is asserted against any Indemnified Party, the Indemnified
Party shall endeavor to notify the Guarantors of such Claim

 

5

 

(but failure to do so shall not affect the
indemnification herein made except to the extent of the actual harm caused by
such failure).  The Indemnified Party
shall have the right to employ, at the Guarantors’ expense, counsel of the
Indemnified Parties’ choosing and to control the defense of the Claim.  The Guarantors may at their expense also
participate in the defense of any Claim. 
Each Indemnified Party may employ separate counsel in connection with
any Claim to the extent such Indemnified Party believes it reasonably prudent
to protect such Indemnified Party.  THE PARTIES INTEND FOR THE PROVISIONS OF THIS SECTION TO APPLY TO
AND PROTECT EACH INDEMNIFIED PARTY FROM THE CONSEQUENCES OF ANY LIABILITY
INCLUDING STRICT LIABILITY IMPOSED OR THREATENED TO BE IMPOSED ON THE
ADMINISTRATIVE AGENT AS WELL AS FROM THE CONSEQUENCES OF ITS OWN NEGLIGENCE,
WHETHER OR NOT THAT NEGLIGENCE IS THE SOLE, CONTRIBUTING, OR CONCURRING CAUSE
OF ANY CLAIM.

 

4.6                               Invalid Provisions.  If any provision of this Agreement is held to
be illegal, invalid, or unenforceable under present or future laws effective
during the term of this Agreement, such provisions shall be fully severable and
this Agreement shall be construed and enforced as if such illegal, invalid or
unenforceable provision had never comprised a part of this Agreement, and the
remaining provisions of the Agreement shall remain in full force and effect and
shall not be affected by the illegal, invalid or unenforceable provision or by
its severance from this Agreement.

 

4.7                               Multiple
Counterparts.  This Agreement may be
executed in one or more counterparts and by different parties hereto in
separate counterparts each of which when so executed and delivered shall be
deemed an original, but all such counterparts together shall constitute but one
and the same instrument; signature pages may be detached from multiple
separate counterparts and attached to a single counterpart so that all
signature pages are physically attached to the same document.  Facsimiles shall be effective as originals.

 

4.8                               Survival.  All covenants, agreements, undertakings,
representations and warranties made in this Agreement shall survive all closings
hereunder and shall not be affected by any investigation made by any party.

 

4.9                               Parties
Bound.  This Agreement shall be binding upon and inure
to the benefit of the parties hereto, the Lenders and the Administrative Agent
and their respective successors, assigns, heirs, legal representatives and
estates, provided, however, that no Guarantor may, without the prior written
consent of the Administrative Agent, assign any rights, powers, duties or
obligations hereunder.

 

4.10                        Choice
of Forum: Consent to Service of Process and Jurisdiction.  THE OBLIGATIONS OF EACH GUARANTOR UNDER THIS
AGREEMENT ARE PERFORMABLE IN DALLAS, TEXAS. 
ANY SUIT, ACTION OR PROCEEDING AGAINST THE GUARANTORS WITH RESPECT TO
THIS AGREEMENT OR ANY JUDGMENT ENTERED BY ANY COURT IN RESPECT THEREOF, MAY BE
BROUGHT IN THE COURTS OF THE STATE OF TEXAS, OR IN THE UNITED STATES COURTS
LOCATED IN THE NORTHERN DISTRICT OF TEXAS AND EACH GUARANTOR HEREBY SUBMITS TO
THE NON-EXCLUSIVE JURISDICTION OF SUCH COURTS FOR THE PURPOSE OF

 

6

 

ANY SUCH SUIT, ACTION OR PROCEEDING.  EACH GUARANTOR HEREBY IRREVOCABLY CONSENTS TO
SERVICE OF PROCESS IN ANY SUIT, ACTION OR PROCEEDING IN SAID COURT BY THE
MAILING THEREOF BY LENDER BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO
SUCH GUARANTOR, AT THE ADDRESS FOR NOTICES AS PROVIDED IN SECTION 4.3.  EACH GUARANTOR HEREBY IRREVOCABLY WAIVES ANY
OBJECTION WHICH IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY
SUIT, ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT BROUGHT
IN THE COURTS LOCATED IN THE STATE OF TEXAS, AND HEREBY FURTHER IRREVOCABLY
WAIVES ANY CLAIM THAT ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN ANY SUCH
COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM.

 

4.11                        Waiver
of Jury Trial.  EACH GUARANTOR HEREBY
WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO
TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATED TO THIS
AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY.

 

4.12                        Other
Agreements.  THIS WRITTEN AGREEMENT
REPRESENTS 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.

 

4.13                        Releases.  At such time as the Loans and the other
Obligations shall have been paid in full, this Agreement and all obligations
(other than those expressly stated to survive such termination) of each
Guarantor hereunder shall terminate, all without delivery of any instrument or
performance of any act by any party.

 

[Remainder of page intentionally left blank]

 

7

 

IN WITNESS WHEREOF, each
of the undersigned has caused this Guarantee to be duly executed and delivered
as of the date first above written.

 

	
   

  	
  EXCO RESOURCES, INC.

  
	
   

  	
  a Texas corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
   

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  
	
   

  	
  Address for Notices:

  
	
   

  	
   

  
	
   

  	
  EXCO Resources, Inc.

  
	
   

  	
  12377 Merit Drive, Suite 1700

  
	
   

  	
  Dallas, Texas 75251

  
	
   

  	
  Facsimile No. 214-368-2087

  
	
   

  	
  Attn:

  	
  Douglas H. Miller

  
	
   

  	
   

  	
  Chief Executive Officer

  
	
   

  	
  and

  
	
   

  	
   

  
	
   

  	
  Attn:

  	
  J. Douglas Ramsey

  
	
   

  	
   

  	
  Chief Financial Officer

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  EXCO OPERATING, LP

  
	
   

  	
  a Delaware limited partnership

  
	
   

  	
   

  
	
   

  	
  By:

  	
  EXCO Investment II, LLC,

  
	
   

  	
   

  	
  its sole general partner

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  By:

  	
  EXCO Resources, Inc.,

  
	
   

  	
   

  	
   

  	
  its sole member

  
	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
  By:

  	
   

  	
   

  
	
   

  	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
   

  	
  Title:

  	
  Vice President and Chief Financial

  Officer

  
							

 

8

 

	
   

  	
  NORTH COAST ENERGY, INC.

  
	
   

  	
  a Delaware corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
   

  	
   

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey

  
	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  NORTH COAST ENERGY EASTERN, INC.

  
	
   

  	
  a Delaware corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
   

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey

  
	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  PINESTONE RESOURCES, LLC

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
   

  	
   

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Address for Notices:

  
	
   

  	
   

  
	
   

  	
  c/o EXCO Resources, Inc.

  
	
   

  	
  12377 Merit Drive, Suite 1700

  
	
   

  	
  Dallas, Texas 75251

  
	
   

  	
  Facsimile No. 214-368-2087

  
	
   

  	
  Attn:

  	
  Douglas H. Miller

  
	
   

  	
   

  	
  Chief Executive Officer

  
	
   

  	
  and

  
	
   

  	
   

  
	
   

  	
  Attn:

  	
  J. Douglas Ramsey

  
	
   

  	
   

  	
  Chief Financial Officer

  
							

 

9Exhibit 10.6

 

SUBSIDIARY GUARANTY

 

This
SUBSIDIARY GUARANTY (this “Guaranty”) is made as of
the 14th day of February, 2006, by TXOK
ACQUISITION, INC., TXOK ENERGY RESOURCES
COMPANY, a Delaware corporation (formerly known as ONEOK Energy
Resources Company), TXOK ENERGY RESOURCES
HOLDINGS, L.L.C., a Delaware limited liability company (formerly
known as ONEOK Energy Resources Holdings, L.L.C.), TXOK TEXAS
ENERGY HOLDINGS, LLC, a Delaware limited liability company (formerly
known as ONEOK Texas Energy Holdings, LLC) and TXOK TEXAS
ENERGY RESOURCES, L.P., a Delaware limited partnership (formerly
known as ONEOK Texas Energy Resources, L.P.) (collectively, the “Subsidiary
Guarantors” and each individually, a “Subsidiary Guarantor”) in favor of JPMorgan
Chase Bank, N.A. (successor by merger to Bank One, N.A. (Illinois)) having its
principal office in Chicago, Illinois, in its capacity as agent (the “Agent”)
for the Lenders under the Credit Agreement referred to below;

 

W I T N E S S E T H:

 

WHEREAS, EXCO
RESOURCES, INC., a Texas corporation, EXCO OPERATING, LP, a Delaware limited
partnership, NORTH COAST ENERGY, INC., a Delaware corporation NORTH COAST
ENERGY EASTERN, INC., a Delaware corporation (collectively, the “Principals”),
Agent, and each of the financial institutions party thereto (“Lenders”) have
entered into that certain Third Amended and Restated Credit Agreement dated as
of January 27, 2004 (as same may be amended or modified from time to time,
the “Credit Agreement”), providing, subject to the terms and conditions
thereof, for extensions of credit to be made by the Lenders to the Principals;

 

WHEREAS, it is a
condition precedent to the Agent and the Lenders execution of certain
amendments of the Credit Agreement and the continued extension of credit by the
Lenders under the Credit Agreement that each of the Subsidiary Guarantors shall
guarantee the payment when due, subject to Section 9 hereof, of all
Guaranteed Obligations, as defined below; and

 

WHEREAS, in
consideration of the financial and other support that the Principals have
provided, and such financial and other support as the Principals may in the
future provide, to the Subsidiary Guarantors, and in order to induce the
Lenders and the Agent to enter into certain amendments of and to continue to
extend credit under the Credit Agreement, and the Lenders and their Affiliates
to enter into one or more Rate Management Transactions with the Principals, and
because each Subsidiary Guarantor has determined that executing this Guaranty
is in its interest and to its financial benefit, each of the Subsidiary
Guarantors is willing to guarantee the obligations of the Principals under the
Credit Agreement, any Note, any Rate Management Transaction, and the other Loan
Documents.

 

1

 

NOW, THEREFORE, in
consideration of the premises and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows:

 

SECTION  l.1.  Selected
Terms Used Herein.

 

“Guaranteed Obligations” is defined to mean (i) all indebtedness,
obligations and liabilities of Borrowers to any Lender arising out of or
pursuant to the provisions of the Credit Agreement, the Notes and Other Loan
Documents, (ii) all indebtedness, obligations and liabilities of Borrowers
to any Lender of any kind or character now existing or hereafter arising,
whether direct, indirect, related, unrelated, fixed, contingent, liquidated,
unliquidated, joint, several or joint and several, and regardless of whether
such indebtedness, obligations and liabilities may, prior to their acquisition
by any Lender, be or have been payable to or in favor of a third party and
subsequently acquired by any Lender (it being contemplated that any Lender may
make such acquisitions from third parties), including without limitation all
indebtedness, obligations and liabilities of Borrowers to any Lender now
existing or hereafter arising by note, draft, acceptance, guaranty,
endorsement, letter of credit, assignment, purchase, overdraft, discount,
indemnity agreement or otherwise, (iii) all accrued but unpaid interest on
any of the indebtedness described in (i) and (ii) above, (iv) all
obligations of Borrowers to any Lender under any documents evidencing,
securing, governing and/or pertaining to all or any part of the indebtedness
described in (i), (ii) and (iii) above, (v) all costs and
expenses incurred by any Lender in connection with the collection and
administration of all or any part of the indebtedness and obligations described
in (i), (ii), (iii) and (iv) above or the protection or preservation
of, or realization upon, the collateral securing all or any part of such
indebtedness and obligations, including without limitation all reasonable
attorneys’ fees, and (vi) all renewals, extensions, modifications and
rearrangements of the indebtedness and obligations described in (i), (ii),
(iii), (iv) and (v) above.

 

“Rate Management Obligations” means any and all obligations of any
Principal, whether absolute or contingent and howsoever and whensoever created,
arising, evidenced or acquired (including all renewals, extensions and
modifications thereof and substitutions herefore), under (i) any and all
Rate Management Transactions with Agent or a Lender or an Affiliate of Agent or
a Lender, and (ii) any and all cancellations, buy backs, reversals,
terminations or assignments of any Rate Management Transactions.

 

SECTION  1.2.  Terms in
Credit Agreement.  Other capitalized
terms used herein but not defined herein shall have the meaning set forth in
the Credit Agreement.

 

SECTION  2.1.  Representations
and Warranties.  Each of the
Subsidiary Guarantors represents and warrants (which representations and
warranties shall be deemed to have been renewed upon each Borrowing Date under
the Credit Agreement) that:

 

(a)                                  It is a corporation,
partnership or limited liability company duly and properly incorporated or
organized, as the case may be, validly existing and (to the extent such concept
applies to such entity) in good standing under the laws of its jurisdiction of

 

2

 

incorporation or organization and has all requisite authority to
conduct its business in each jurisdiction in which its business is conducted.

 

(b)                                 It has the power and
authority and legal right to execute and deliver this Guaranty and to perform
its obligations hereunder.  The execution
and delivery by it of this Guaranty and the performance of its obligations
hereunder have been duly authorized by proper corporate proceedings, and this
Guaranty constitutes a legal, valid and binding obligation of such Subsidiary
Guarantor enforceable against it in accordance with its terms, except as
enforceability may be limited by general principles of equity and bankruptcy,
insolvency or similar laws affecting the enforcement of creditors’ rights
generally.

 

(c)                                  Neither the execution
and delivery by it of this Guaranty, nor the consummation of the transactions
herein contemplated, nor compliance with the provisions hereof will violate (i) any
law, rule, regulation, order, writ, judgment, injunction, decree or award
binding on it or any of its subsidiaries or (ii) its articles or
certificate of incorporation, partnership agreement, certificate of
partnership, articles or certificate of organization, by-laws, or operating or
other management agreement, as the case may be, or (iii) the provisions of
any indenture, instrument or agreement to which it or any of its subsidiaries
is a party or is subject, or by which it, or its property, real or personal, is
bound, or conflict with or constitute a default thereunder, or result in, or
require, the creation or imposition of any Lien in, of or on the Property of
such Subsidiary Guarantor or a subsidiary thereof pursuant to the terms of any
such indenture, instrument or agreement. 
No order, consent, adjudication, approval, license, authorization, or
validation of, or filing, recording or registration with, or exemption by, or
other action in respect of any governmental or public body or authority, or any
subdivision thereof, which has not been obtained by it or any of its
subsidiaries, is required to be obtained by it or any of its subsidiaries in
connection with the execution and delivery of this Guaranty or the performance
by it of its obligations hereunder or the legality, validity, binding effect or
enforceability of this Guaranty.

 

SECTION 2.2.  Covenants.  Each of the Subsidiary Guarantors covenants
that, so long as any Lender has any Commitment outstanding under the Credit
Agreement, any Rate Management Transaction remains in effect or any of the
Guaranteed Obligations shall remain unpaid, that it will, and, if necessary,
will enable the Principals to, fully comply with the covenants and agreements
set forth in the Credit Agreement.

 

SECTION 3.  The Guaranty.  Subject to Section 9 hereof, each of the
Subsidiary Guarantors hereby absolutely and unconditionally guarantees, as
primary obligor and not as surety, the full and punctual payment (whether at
stated maturity, upon acceleration or early termination or otherwise, and at
all times thereafter) and performance of the Guaranteed Obligations and the
Rate Management Obligations, including without limitation any such Guaranteed
Obligations or Rate Management Obligations incurred or accrued during the
pendency of any bankruptcy, insolvency, receivership or other similar
proceeding, whether or not allowed or allowable in such proceeding.  Upon failure by the Principals to pay
punctually any such amount, each of the Subsidiary Guarantors agrees that it
shall forthwith on demand pay

 

3

 

to the Agent for the benefit of the Lenders and, if applicable, their
Affiliates, the amount not so paid at the place and in the manner specified in
the Credit Agreement, any Note, any Rate Management Transaction or the relevant
Loan Document, as the case may be. This Guaranty is a guaranty of payment and
not of collection.  Each of the
Subsidiary Guarantors waives any right to require the Lender to sue any
Principal, any other guarantor, or any other person obligated for all or any
part of the Guaranteed Obligations, or otherwise to enforce its payment against
any collateral securing all or any part of the Guaranteed Obligations.

 

SECTION  4.  Guaranty
Unconditional.  Subject to Section 9
hereof, the obligations of each of the Subsidiary Guarantors hereunder shall be
unconditional and absolute and, without limiting the generality of the
foregoing, shall not be released, discharged or otherwise affected by:

 

(a)                                  any extension,
renewal, settlement, compromise, waiver or release in respect of any of the
Guaranteed Obligations, by operation of law or otherwise, or any obligation of
any other guarantor of any of the Guaranteed Obligations, or any default,
failure or delay, willful or otherwise, in the payment or performance of the
Guaranteed Obligations;

 

(b)                                 any modification or
amendment of or supplement to or restatement of the Credit Agreement, any Note,
any Rate Management Transaction or any other Loan Document;

 

(c)                                  any release,
nonperfection or invalidity of any direct or indirect security for any
obligation of the Principals under the Credit Agreement, any Note, any Security
Instrument, any Rate Management Transaction, any other Loan Document, or any
obligations of any other guarantor of any of the Guaranteed Obligations, or any
action or failure to act by the Agent, any Lender or any Affiliate of any
Lender with respect to any collateral securing all or any part of the
Guaranteed Obligations or the Rate Management Transactions;

 

(d)                                 any change in the
corporate existence, structure or ownership of any Principal or any other
guarantor of any of the Guaranteed Obligations, or any insolvency, bankruptcy,
reorganization or other similar proceeding affecting any Principal, or any
other guarantor of the Guaranteed Obligations, or its assets or any resulting
release or discharge of any obligation of any Principal, or any other guarantor
of any of the Guaranteed Obligations or the Rate Management Transactions;

 

(e)                                  the existence of any
claim, setoff or other rights which the Subsidiary Guarantors may have at any
time against any Principal, any other guarantor of any of the Guaranteed
Obligations, the Agent, any Lender or any other Person, whether in connection
herewith or any unrelated transactions;

 

(f)                                    any invalidity or
unenforceability relating to or against any Principal, or any other guarantor
of any of the Guaranteed Obligations, for any reason related to the Credit
Agreement, any Rate Management Transaction, any other Loan Document, or any

 

4

 

provision of applicable law or regulation purporting to prohibit the
payment by any Principal, or any other guarantor of the Guaranteed Obligations,
of the principal of or interest on any Note or any other amount payable by the
Principals under the Credit Agreement, any Note, any Rate Management
Transaction or any other Loan Document; or

 

(g)                                 any other act or
omission to act or delay of any kind by any Principal, any other guarantor of
the Guaranteed Obligations, the Agent, any Lender or any other Person or any
other circumstance whatsoever which might, but for the provisions of this
paragraph, constitute a legal or equitable discharge of any Subsidiary
Guarantor’s obligations hereunder.

 

SECTION  5.  Discharge
Only Upon Payment In Full: Reinstatement In Certain Circumstances.  Each of the Subsidiary Guarantor’s
obligations hereunder shall remain in full force and effect until all
Guaranteed Obligations shall have been indefeasibly paid in full, the
Commitments under the Credit Agreement shall have terminated or expired and all
Rate Management Transactions have terminated or expired.  If at any time any payment of the principal
of or interest on any Note or any other amount payable by the Principals or any
other party under the Credit Agreement, any Rate Management Transaction or any
other Loan Document is rescinded or must be otherwise restored or returned upon
the insolvency, bankruptcy or reorganization of any Principal or otherwise,
each of the Subsidiary Guarantor’s obligations hereunder with respect to such
payment shall be reinstated as though such payment had been due but not made at
such time.

 

SECTION  6.  Waivers.  Each of the Subsidiary Guarantors irrevocably
waives acceptance hereof, presentment, demand, protest and, to the fullest
extent permitted by law, any notice not provided for herein, as well as any
requirement that at any time any action be taken by any Person against any
Principal, any other guarantor of any of the Guaranteed Obligations, or any other
Person.

 

SECTION  7.  Subrogation.  Each of the Subsidiary Guarantors hereby
agrees not to assert any right, claim or cause of action, including, without
limitation, a claim for subrogation, reimbursement, indemnification or
otherwise, against any Principal arising out of or by reason of this Guaranty
or the obligations hereunder, including, without limitation, the payment or
securing or purchasing of any of the Guaranteed Obligations by any of the
Subsidiary Guarantors unless and until the Guaranteed Obligations are
indefeasibly paid in full, any commitment to lend under the Credit Agreement
and any other Loan Documents is terminated and all Rate Management Transactions
have terminated or expired.

 

SECTION  8.  Stay of
Acceleration.  If acceleration of the
time for payment of any of the Guaranteed Obligations is stayed upon the
insolvency, bankruptcy or reorganization of any Principal, all such amounts
otherwise subject to acceleration under the terms of the Credit Agreement, any
Note, any Rate Management Transaction or any other Loan Document shall
nonetheless be payable by each of the Subsidiary Guarantors hereunder forthwith
on demand by the Agent made at the request of the Required Lenders.

 

5

 

SECTION  9.  Limitation
on Obligations.

 

(a)                                  The provisions of
this Guaranty are severable, and in any action or proceeding involving any
state corporate law, or any state, federal or foreign bankruptcy, insolvency,
reorganization or other law affecting the rights of creditors generally, if the
obligations of any Subsidiary Guarantor under this Guaranty would otherwise be
held or determined to be avoidable, invalid or unenforceable on account of the
amount of such Subsidiary Guarantor’s liability under this Guaranty, then,
notwithstanding any other provision of this Guaranty to the contrary, the
amount of such liability shall, without any further action by the Subsidiary
Guarantors, the Agent or any Lender, be automatically limited and reduced to
the highest amount that is valid and enforceable as determined in such action
or proceeding (such highest amount determined hereunder being the relevant
Subsidiary Guarantor’s “Maximum Liability”). This Section 9(a) with
respect to the Maximum Liability of the Subsidiary Guarantors is intended
solely to preserve the rights of the Agent hereunder to the maximum extent not
subject to avoidance under applicable law, and neither the Subsidiary Guarantor
nor any other person or entity shall have any right or claim under this Section 9(a) with
respect to the Maximum Liability, except to the extent necessary so that the
obligations of the Subsidiary Guarantor hereunder shall not be rendered
voidable under applicable law.

 

(b)                                 Each of the Subsidiary
Guarantors agrees that the Guaranteed Obligations may at any time and from time
to time exceed the Maximum Liability of each Subsidiary Guarantor, and may
exceed the aggregate Maximum Liability of all other Subsidiary Guarantors,
without impairing this Guaranty or affecting the rights and remedies of the
Agent hereunder. Nothing in this Section 9(b) shall be construed to
increase any Subsidiary Guarantor’s obligations hereunder beyond its Maximum
Liability.

 

(c)                                  In the event any
Subsidiary Guarantor (a “Paying Subsidiary Guarantor”) shall make any payment
or payments under this Guaranty or shall suffer any loss as a result of any
realization upon any collateral granted by it to secure its obligations under
this Guaranty, each other Subsidiary Guarantor (each a “Non-Paying Subsidiary
Guarantor”) shall contribute to such Paying Subsidiary Guarantor an amount
equal to such Non-Paying Subsidiary Guarantor’s “Pro Rata Share” of such
payment or payments made, or losses suffered, by such Paying Subsidiary
Guarantor.  For the purposes hereof, each
Non-Paying Subsidiary Guarantor’s “Pro Rata Share” with respect to any such
payment or loss by a Paying Subsidiary Guarantor shall be determined as of the
date on which such payment or loss was made by reference to the ratio of (i) such
Non-Paying Subsidiary Guarantor’s Maximum Liability as of such date (without
giving effect to any right to receive, or obligation to make, any contribution
hereunder) or, if such Non-Paying Subsidiary Guarantor’s Maximum Liability has
not been determined, the aggregate amount of all monies received by such
Non-Paying Subsidiary Guarantor from the Principals after the date hereof
(whether by loan, capital infusion or by other means) to (ii) the
aggregate Maximum Liability of all Subsidiary Guarantors hereunder (including
such Paying Subsidiary Guarantor) as of such date (without giving effect to any
right to receive, or obligation to make, any contribution hereunder), or to the
extent that a Maximum Liability has not been determined for any Subsidiary
Guarantors, the

 

6

 

aggregate amount of all monies received by such Subsidiary Guarantors
from the Principals after the date hereof (whether by loan, capital infusion or
by other means).  Nothing in this Section 9(c) shall
affect any Subsidiary Guarantor’s several liability for the entire amount of
the Guaranteed Obligations (up to such Subsidiary Guarantor’s Maximum
Liability).  Each of the Subsidiary
Guarantors covenants and agrees that its right to receive any contribution
under this Guaranty from a Non-Paying Subsidiary Guarantor shall be subordinate
and junior in right of payment to all the Guaranteed Obligations.  The provisions of this Section 9(c) are
for the benefit of both the Agent and the Subsidiary Guarantors and may be
enforced by any one, or more, or all of them in accordance with the terms
hereof.

 

SECTION  10.  Application
of Payments.  All payments received
by the Agent hereunder shall be applied by the Agent to payment of the
Guaranteed Obligations in the following order unless a court of competent
jurisdiction shall otherwise direct:

 

(a)                                  FIRST, to payment of
all costs and expenses of the Agent incurred in connection with the collection
and enforcement of the Guaranteed Obligations or of any security interest
granted to the Agent in connection with any collateral securing the Guaranteed
Obligations;

 

(b)                                 SECOND, to payment of
that portion of the Guaranteed Obligations constituting accrued and unpaid
interest and fees, pro rata among the Lenders and their Affiliates in accordance
with the amount of such accrued and unpaid interest and fees owing to each of
them;

 

(c)                                  THIRD, to payment of
the principal of the Guaranteed Obligations and the net early termination
payments and any other Rate Management Obligations then due and unpaid from the
Borrowers to any of the Lenders or their Affiliates, pro rata among the Lenders
and their Affiliates in accordance with the amount of such principal and such
net early termination payments and other Rate Management Obligations then due
and unpaid owing to each of them; and

 

(d)                                 FOURTH, to payment of
any Guaranteed Obligations (other than those listed above) pro rata among those
parties to whom such Guaranteed Obligations are due in accordance with the
amounts owing to each of them.

 

SECTION 11.  Notices.  All notices, requests and other
communications to any party hereunder shall be given or made by telecopier or
other writing and telecopied, or mailed or delivered to the intended recipient
at its address or telecopier number set forth on the signature pages hereof
or such other address or telecopy number as such party may hereafter specify
for such purpose by notice to the Agent in accordance with the provisions of
this Section 11.  Except as
otherwise provided in this Guaranty, all such communications shall be deemed to
have been duly given when transmitted by telecopier, or personally delivered
or, in the case of a mailed notice sent by certified mail return-receipt
requested, on the date set forth on the receipt (provided, that any refusal to
accept any such notice shall be deemed to be notice thereof as of the time of
any such refusal), in each case given or addressed as aforesaid.

 

7

 

SECTION  12.  No Waivers.  No failure or delay by the Agent or any
Lenders in exercising any right, power or privilege hereunder shall operate as
a waiver thereof nor shall any single or partial exercise thereof preclude any
other or further exercise thereof or the exercise of any other right, power or
privilege.  The rights and remedies
provided in this Guaranty, the Credit Agreement, any Note, any Rate Management
Transaction and the other Loan Documents shall be cumulative and not exclusive
of any rights or remedies provided by law.

 

SECTION  13.  No Duty to
Advise.  Each of the Subsidiary
Guarantors assumes all responsibility for being and keeping itself informed of
each Principal’s financial condition and assets, and of all other circumstances
bearing upon the risk of nonpayment of the Guaranteed Obligations and the
nature, scope and extent of the risks that each of the Subsidiary Guarantors
assumes and incurs under this Guaranty, and agrees that neither the Agent nor
any Lender has any duty to advise any of the Subsidiary Guarantors of
information known to it regarding those circumstances or risks.

 

SECTION  14.  Successors
and Assigns.  This Guaranty is for
the benefit of the Agent and the Lenders and their respective successors and
permitted assigns and in the event of an assignment of any amounts payable
under the Credit Agreement, any Note, any Rate Management Transaction, or the
other Loan Documents, the rights hereunder, to the extent applicable to the
indebtedness so assigned, shall be transferred with such indebtedness. This
Guaranty shall be binding upon each of the Subsidiary Guarantors and their
respective successors and permitted assigns.

 

SECTION  15.  Changes in
Writing.  Neither this Guaranty nor
any provision hereof may be changed, waived, discharged or terminated orally,
but only in writing signed by each of the Subsidiary Guarantors and the Agent
with the consent of the Required Lenders.

 

SECTION  16.  Costs of
Enforcement.  Each of the Subsidiary
Guarantors agrees to pay all costs and expenses including, without limitation,
all court costs and attorneys’ fees and expenses paid or incurred by the Agent
or any Lender or any Affiliate of any Lender in endeavoring to collect all or
any part of the Guaranteed Obligations from, or in prosecuting any action
against, any Principal, the Subsidiary Guarantors or any other guarantor of all
or any part of the Guaranteed Obligations.

 

SECTION  17.  GOVERNING
LAW; SUBMISSION TO JURISDICTION; WAIVER OF JURY TRIAL.  THIS GUARANTY SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF TEXAS.  EACH OF THE SUBSIDIARY GUARANTORS HEREBY
SUBMITS TO THE NONEXCLUSIVE JURISDICTION OF THE UNITED STATES DISTRICT COURT
FOR THE NORTHERN DISTRICT OF TEXAS AND OF ANY TEXAS STATE COURT SITTING IN
DALLAS, TEXAS AND FOR PURPOSES OF ALL LEGAL PROCEEDINGS ARISING OUT OF OR
RELATING TO THIS GUARANTY (INCLUDING, WITHOUT LIMITATION, ANY OF THE OTHER LOAN
DOCUMENTS)  OR THE TRANSACTIONS
CONTEMPLATED HEREBY.  EACH OF THE
SUBSIDIARY GUARANTORS IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY
LAW, ANY OBJECTION WHICH ANY OF THEM

 

8

 

MAY NOW OR HEREAFTER HAVE TO THE LAYING OF THE VENUE OF ANY SUCH
PROCEEDING BROUGHT IN SUCH A COURT AND ANY CLAIM THAT ANY SUCH PROCEEDING
BROUGHT IN SUCH A COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM.  EACH OF THE SUBSIDIARY GUARANTORS, THE AGENT
AND EACH LENDER ACCEPTING THIS GUARANTY, HEREBY IRREVOCABLY WAIVES ANY AND ALL
RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO
THIS GUARANTY OR THE TRANSACTIONS CONTEMPLATED HEREBY.

 

SECTION  18.  Taxes. Etc.  All payments required to be made by any of
the Subsidiary Guarantors hereunder shall be made without setoff or
counterclaim and free and clear of and without deduction or withholding for or
on account of, any present or future taxes, levies, imposts, duties or other
charges of whatsoever nature imposed by any government or any political or
taxing authority thereof (but excluding income and franchise taxes), provided,
however, that if any of the Subsidiary Guarantors is required by law to make
such deduction or withholding, such Subsidiary Guarantor shall forthwith  (i) pay to the Agent or any Lender, as
applicable, such additional amount as results in the net amount received by the
Agent or any Lender, as applicable, equaling the full amount which would have
been received by the Agent or any Lender, as applicable, had no such deduction
or withholding been made, (ii) pay the full amount deducted to the
relevant authority in accordance with applicable law, and (iii) furnish to
the Agent or any Lender, as applicable, certified copies of official receipts
evidencing payment of such withholding taxes within 30 days after such payment
is made.

 

SECTION 19.  Setoff.  Without limiting the rights of the Agent or
the Lenders under applicable law, if all or any part of the Guaranteed
Obligations is then due, whether pursuant to the occurrence of a Default or
Event of Default or otherwise, then the Guarantor authorizes the Agent and the
Lenders to apply any sums standing to the credit of the Guarantor with the
Agent or any Lender or any Lending Installation of the Agent or any Lender
toward the payment of the Guaranteed Obligations.

 

SECTION 20.  Grant of
Security Interest in Operating Accounts. 
Each Subsidiary Guarantor hereby grants a security interest to Lenders
in and to their Operating Accounts and all checks, drafts and other items now
or hereafter received by any Lender for deposit therein.

 

SIGNATURE PAGES FOLLOW

 

9

 

IN WITNESS WHEREOF, each of the Subsidiary Guarantors has caused this
Guaranty to be duly executed, under seal, by its authorized officer as of the
day and year first above written.

 

	
   

  	
  SUBSIDIARY GUARANTORS:

  
	
   

  	
   

  
	
   

  	
  TXOK ACQUISITION, INC.

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  TXOK ENERGY RESOURCES COMPANY,

  
	
   

  	
  a Delaware corporation (formerly known as

  ONEOK Energy Resources Company)

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  TXOK ENERGY RESOURCES HOLDINGS,

  L.L.C.,

  
	
   

  	
  a Delaware limited liability company (formerly

  known as ONEOK Energy Resource Holdings,

  L.L.C.)

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  

 

 

	
   

  	
  TXOK TEXAS ENERGY HOLDINGS, LLC,

  
	
   

  	
  a Delaware limited liability company (formerly

  known as ONEOK Texas Energy Holdings, LLC)

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  TXOK TEXAS ENERGY RESOURCES, L.P.,

  
	
   

  	
  a Delaware limited partnership (formerly known as

  ONEOK Texas Energy Resources, L.P.)

  
	
   

  	
   

  
	
   

  	
  By:

  	
  TXOK Texas Energy Holdings, LLC,

  
	
   

  	
   

  	
  as general partner

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/ J. Douglas Ramsey

  
	
   

  	
  Name:

  	
  J. Douglas Ramsey, Ph.D

  
	
   

  	
  Title:

  	
  Vice President and Chief Financial Officer

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Address for Notices:

  
	
   

  	
   

  
	
   

  	
  c/o EXCO RESOURCES, INC.

  
	
   

  	
  12377 Merit Drive, Suite 1700

  
	
   

  	
  Dallas, Texas 75251

  
	
   

  	
  Facsimile No. 214/368-2087

  
	
   

  	
  Attn:

  	
  Douglas H. Miller

  
	
   

  	
   

  	
  Chief Executive Officer

  
	
   

  	
  and

  
	
   

  	
  Attn:

  	
  J. Douglas Ramsey,

  
	
   

  	
   

  	
  Chief Financial Officer

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00097-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00097-of-00352.parquet"}]]