Document:

EX-10.1

 Exhibit 10.1 

Execution Version 

Matador Resources Company 

(a Texas corporation) 

$400,000,000 6.875% Senior Notes due 2023 

PURCHASE AGREEMENT 

April 9, 2015 
 MERRILL
LYNCH, PIERCE, FENNER & SMITH 

        INCORPORATED 

As Representative of the Initial Purchasers 
 c/o
Merrill Lynch, Pierce, Fenner & Smith 
           Incorporated 

One Bryant Park 
 New York, New York 10036 

Ladies and Gentlemen: 
 Introductory.
Matador Resources Company, a Texas corporation (the “Company”), proposes to issue and sell to Merrill Lynch, Pierce, Fenner & Smith Incorporated (“Merrill Lynch”) and the other several Initial Purchasers
named in Schedule A (the “Initial Purchasers”), acting severally and not jointly, the respective amounts set forth in such Schedule A of $400,000,000 aggregate principal amount of the Company’s 6.875% Senior Notes due 2023 (the
“Notes”). Merrill Lynch has agreed to act as the representative of the several Initial Purchasers (the “Representative”) in connection with the offering and sale of the Notes. 

The Notes will be issued pursuant to an indenture, to be dated as of April 14, 2015 (the “Indenture”), among the
Company, the Guarantors (as defined below) and Wells Fargo Bank, National Association, as trustee (the “Trustee”). Notes will be issued only in book-entry form in the name of Cede & Co., as nominee of The Depository Trust
Company (the “Depositary”) pursuant to a letter of representations, to be dated on or before the Closing Date (as defined in Section 2 hereof) (the “DTC Agreement”), among the Company, the Trustee and the
Depositary. 
 The holders of the Notes will be entitled to the benefits of a registration rights agreement, to be dated as of
April 14, 2015 (the “Registration Rights Agreement”), among the Company, the Guarantors and the Initial Purchasers, pursuant to which the Company and the Guarantors will be required to file with the Commission (as defined
below), under the circumstances set forth therein, (i) a registration statement under the Securities Act (as defined below) relating to another series of debt securities of the Company with terms substantially identical to the Notes (the
“Exchange Notes”) to be offered in exchange for the Notes (the “Exchange Offer”) and (ii) to the extent required by the Registration Rights Agreement, a shelf registration statement pursuant to Rule 415 of the
Securities Act relating to the resale by certain holders of the Notes,  

 
and in each case, to use its reasonable best efforts to cause such registration statements to be declared effective. All references herein to the Exchange Notes and the Exchange Offer are only
applicable if the Company and the Guarantors are in fact required to consummate the Exchange Offer pursuant to the terms of the Registration Rights Agreement. 

The payment of principal of, premium, if any, and interest on the Notes will be fully and unconditionally guaranteed on a senior unsecured
basis, jointly and severally by (i) the entities listed on the signature pages hereof as “Guarantors” and (ii) any subsidiary of the Company formed or acquired after the Closing Date that executes an additional guarantee in
accordance with the terms of the Indenture, and their respective successors and assigns (collectively, the “Guarantors”), pursuant to their guarantees (the “Guarantees”). The Notes and the Guarantees attached
thereto are herein collectively referred to as the “Securities”; and the Exchange Notes and the Guarantees attached thereto are herein collectively referred to as the “Exchange Securities.” 

This Agreement, the Registration Rights Agreement, the Securities, the Exchange Securities, and the Indenture are referred to herein as the
“Transaction Documents.” 
 The Company understands that the Initial Purchasers propose to make an offering of the
Securities on the terms and in the manner set forth herein and in the Pricing Disclosure Package (as defined below) and agrees that the Initial Purchasers may resell, subject to the conditions set forth herein, all or a portion of the Securities to
purchasers (the “Subsequent Purchasers”) on the terms set forth in the Pricing Disclosure Package (the first time when sales of the Securities are made is referred to as the “Time of Sale”). The Securities are to be
offered and sold to or through the Initial Purchasers without being registered with the Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933 (as amended, the “Securities Act,” which
term, as used herein, includes the rules and regulations of the Commission promulgated thereunder), in reliance upon exemptions therefrom. Pursuant to the terms of the Securities and the Indenture, investors who acquire Securities shall be deemed to
have agreed that Securities may only be resold or otherwise transferred, after the date hereof, if such Securities are registered for sale under the Securities Act or if an exemption from the registration requirements of the Securities Act is
available (including the exemptions afforded by Rule 144A under the Securities Act (“Rule 144A”) or Regulation S under the Securities Act (“Regulation S”)). 

The Company has prepared and delivered to each Initial Purchaser copies of a Preliminary Offering Memorandum, dated April 6, 2015
(the “Preliminary Offering Memorandum”), and has prepared and delivered to each Initial Purchaser copies of a Pricing Supplement, dated April 9, 2015 (the “Pricing Supplement”), describing the terms of the
Securities, each for use by such Initial Purchaser in connection with its solicitation of offers to purchase the Securities. The Preliminary Offering Memorandum and the Pricing Supplement are herein referred to as the “Pricing Disclosure
Package.” Promptly after this Agreement is executed and delivered, the Company will prepare and deliver to each Initial Purchaser a final offering memorandum dated the date hereof (the “Final Offering Memorandum”).

 All references herein to the terms “Pricing Disclosure Package” and “Final Offering
Memorandum” shall be deemed to mean and include all information filed under the Securities  

  
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Exchange Act of 1934 (as amended, the “Exchange Act,” which term, as used herein, includes the rules and regulations of the Commission promulgated thereunder) prior to the
Time of Sale and incorporated by reference in the Pricing Disclosure Package (including the Preliminary Offering Memorandum) or the Final Offering Memorandum (as the case may be), and all references herein to the terms “amend,”
“amendment” or “supplement” with respect to the Final Offering Memorandum shall be deemed to mean and include all information filed under the Exchange Act after the Time of Sale and incorporated by reference in the
Final Offering Memorandum. 
 The Company hereby confirms its agreements with the Initial Purchasers as follows: 

SECTION 1. Representations and Warranties. Each of the Company and the Guarantors, jointly and severally, hereby represents,
warrants and covenants to each Initial Purchaser that, as of the date hereof and as of the Closing Date (references in this Section 1 to the “Offering Memorandum” are to (x) the Pricing Disclosure Package in the case of
representations and warranties made as of the date hereof and (y) the Pricing Disclosure Package and the Final Offering Memorandum in the case of representations and warranties made as of the Closing Date): 

(a) No Registration Required. Subject to compliance by the Initial Purchasers with the representations and warranties
set forth in Section 2 hereof and with the procedures set forth in Section 7 hereof, it is not necessary in connection with the offer, sale and delivery of the Securities to the Initial Purchasers and to each Subsequent Purchaser in the
manner contemplated by this Agreement and the Offering Memorandum to register the Securities under the Securities Act or, until such time as the Exchange Securities are issued pursuant to an effective registration statement, to qualify the Indenture
under the Trust Indenture Act of 1939 (the “Trust Indenture Act,” which term, as used herein, includes the rules and regulations of the Commission promulgated thereunder). 

(b) No Integration of Offerings or General Solicitation. None of the Company, its affiliates (as such term is defined in
Rule 501 under the Securities Act) (each, an “Affiliate”), or any person acting on its or any of their behalf (other than the Initial Purchasers, as to whom the Company makes no representation or warranty) has, directly or
indirectly, solicited any offer to buy or offered to sell, or will, directly or indirectly, solicit any offer to buy or offer to sell, in the United States or to any United States citizen or resident, any security that is or would be integrated with
the sale of the Securities in a manner that would require the Securities to be registered under the Securities Act. None of the Company, its Affiliates, or any person acting on its or any of their behalf (other than the Initial Purchasers, as to
whom the Company makes no representation or warranty) has engaged or will engage, in connection with the offering of the Securities, in any form of general solicitation or general advertising within the meaning of Rule 502 under the Securities Act.
With respect to those Securities sold in reliance upon Regulation S, (i) none of the Company, its Affiliates or any person acting on its or their behalf (other than the Initial Purchasers, as to whom the Company makes no representation or
warranty) has engaged or will engage in any directed selling efforts within the meaning of Regulation S and (ii) each of the Company and its Affiliates and 

  
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any person acting on its or their behalf (other than the Initial Purchasers, as to whom the Company makes no representation or warranty) has complied and will comply with the offering
restrictions set forth in Regulation S. 
 (c) Eligibility for Resale under Rule 144A. The Securities are eligible for
resale pursuant to Rule 144A and will not be, at the Closing Date, of the same class as securities listed on a national securities exchange registered under Section 6 of the Exchange Act or quoted in a U.S. automated interdealer quotation
system. 
 (d) The Pricing Disclosure Package and Final Offering Memorandum. Neither the Pricing Disclosure Package,
as of the Time of Sale, nor the Final Offering Memorandum, as of its date or (as amended or supplemented in accordance with Section 3(a), as applicable) as of the Closing Date, contains an untrue statement of a material fact or omits to state a
material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that this representation, warranty and agreement shall not apply to statements in or omissions
from the Pricing Disclosure Package, the Final Offering Memorandum or any amendment or supplement thereto made in reliance upon and in conformity with information furnished to the Company in writing by or on behalf of any Initial Purchaser through
the Representative expressly for use in the Pricing Disclosure Package, the Final Offering Memorandum or amendment or supplement thereto, as the case may be. The Pricing Disclosure Package contains, and the Final Offering Memorandum will contain,
all the information specified in, and meeting the requirements of, Rule 144A. The Company has not distributed and will not distribute, prior to the later of the Closing Date and the completion of the Initial Purchasers’ distribution of the
Securities, any offering material in connection with the offering and sale of the Securities other than the Pricing Disclosure Package and the Final Offering Memorandum. 

(e) Company Additional Written Communications. The Company has not prepared, made, used, authorized, approved or
distributed and will not prepare, make, use, authorize, approve or distribute any written communication that constitutes an offer to sell or solicitation of an offer to buy the Securities other than (i) the Pricing Disclosure Package,
(ii) the Final Offering Memorandum and (iii) any electronic road show or other written communications, in each case used in accordance with Section 3(a). Each such communication by the Company or its agents and representatives
pursuant to clause (iii) of the preceding sentence (each, a “Company Additional Written Communication”), when taken together with the Pricing Disclosure Package, did not as of the Time of Sale, and at the Closing Date will not,
contain any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that this representation and
warranty shall not apply to statements in or omissions from each such Company Additional Written Communication made in reliance upon and in conformity with information furnished to the Company in writing by or on behalf of any Initial Purchaser
through the Representatives expressly for use in any Company Additional Written Communication. 

  
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 (f) Incorporated Documents. The documents incorporated or deemed to be
incorporated by reference in the Offering Memorandum at the time they were or hereafter are filed with the Commission (collectively, the “Incorporated Documents”) complied and will comply in all material respects with the
requirements of the Exchange Act. Each such Incorporated Document, when taken together with the Pricing Disclosure Package, did not as of the Time of Sale, and at the Closing Date will not, contain any untrue statement of a material fact or omit to
state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading. 

(g) The Purchase Agreement. This Agreement has been duly authorized, executed and delivered by the Company and the
Guarantors. 
 (h) The Registration Rights Agreement and DTC Agreement. The Registration Rights Agreement has been
duly authorized and, on the Closing Date, will have been duly executed and delivered by, and will constitute a valid and binding agreement of, the Company and the Guarantors, enforceable in accordance with its terms, except as the enforcement
thereof may be limited by (i) applicable bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and laws relating to or affecting the rights and remedies of creditors generally or by general principles of equity (regardless of
whether such enforceability is considered in a proceeding in equity or at law) (the “Enforceability Exceptions”) and (ii) public policy, applicable law relating to fiduciary duties and indemnification and contribution and an
implied covenant of good faith and fair dealing. The DTC Agreement has been duly authorized and, on the Closing Date, will have been duly executed and delivered by, and will constitute a valid and binding agreement of, the Company and the
Guarantors, enforceable in accordance with its terms, except as the enforcement thereof may be limited by the Enforceability Exceptions. 

(i) Authorization of the Notes, the Guarantees and the Exchange Notes. The Notes to be purchased by the Initial
Purchasers from the Company will on the Closing Date be in the form contemplated by the Indenture, have been duly authorized for issuance and sale pursuant to this Agreement and the Indenture and, at the Closing Date, will have been duly executed by
the Company and, when authenticated in the manner provided for in the Indenture and delivered against payment of the purchase price therefor, will constitute valid and binding obligations of the Company, enforceable in accordance with their terms,
except as the enforcement thereof may be limited by the Enforceability Exceptions and will be entitled to the benefits of the Indenture. The Exchange Notes have been duly and validly authorized for issuance by the Company, and when issued and
authenticated in accordance with the terms of the Indenture, the Registration Rights Agreement and the Exchange Offer, will constitute valid and binding obligations of the Company, enforceable against the Company in accordance with their terms,
except as the enforcement thereof may be limited by the Enforceability Exceptions and will be entitled to the benefits of the Indenture. The Guarantees of the Notes on the Closing Date and the Guarantees of the Exchange Notes when issued will be in
the respective forms contemplated by the Indenture and have been duly authorized for issuance pursuant to this Agreement and the Indenture; the Guarantees of the Notes, at 

  
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the Closing Date, will have been duly executed by each of the Guarantors and, when the Notes have been authenticated in the manner provided for in the Indenture and issued and delivered against
payment of the purchase price therefor, the Guarantees of the Notes will constitute valid and binding agreements of the Guarantors; and, when the Exchange Notes have been authenticated in the manner provided for in the Indenture and issued and
delivered in accordance with the Registration Rights Agreement, the Guarantees of the Exchange Notes will constitute valid and binding agreements of the Guarantors, in each case, enforceable in accordance with their terms, except as the enforcement
thereof may be limited by the Enforceability Exceptions and will be entitled to the benefits of the Indenture. 
 (j)
Authorization of the Indenture. The Indenture has been duly authorized by the Company and the Guarantors and, at the Closing Date, will have been duly executed and delivered by the Company and the Guarantors and (assuming the due
authorization, execution and delivery thereof by the Trustee) will constitute a valid and binding agreement of the Company and the Guarantors, enforceable against the Company and the Guarantors in accordance with its terms, except as the enforcement
thereof may be limited by the Enforceability Exceptions. 
 (k) Description of the Transaction Documents. The
Transaction Documents will conform in all material respects to the respective statements relating thereto contained in the Offering Memorandum. 

(l) Incorporation and Good Standing of the Company and its Subsidiaries. The Company has been duly organized and is
validly existing as a corporation in good standing under the laws of the State of Texas with corporate power and authority to own or lease its properties and conduct its business as described in the Offering Memorandum. Each of the subsidiaries of
the Company as listed in Exhibit B hereto (collectively, the “Subsidiaries”), has been duly organized or formed and is validly existing as a corporation, limited liability company or limited partnership, as applicable,
in good standing under the laws of the jurisdiction of its incorporation, organization or formation with corporate. limited liability company or limited partnership power and authority to own or lease its properties and conduct its business as
described in Offering Memorandum and, in the case of the Company and the Guarantors, to enter into and perform its obligations under each of the Transaction Documents to which it is a party. The Subsidiaries are the only subsidiaries, direct or
indirect, of the Company. The Company and each of the Subsidiaries are duly qualified to transact business and are in good standing in all jurisdictions in which the conduct of their business requires such qualification; except where the failure to
be so qualified or to be in good standing would not reasonably be expected (i) to have a material adverse effect on the condition (financial or otherwise), properties, assets, operations, earnings, business, or prospects of the Company and its
Subsidiaries taken as a whole, whether or not arising from transactions in the ordinary course of business or (ii) to prevent the consummation of the transactions contemplated hereby (clauses (i) and (ii) are referred to hereinafter
as a “Material Adverse Effect”). 

  
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 (m) Capitalization. The information set forth under the caption
“Capitalization” in the Offering Memorandum is true and correct (other than for subsequent issuances of capital stock, if any, pursuant to employee benefit plans described in the Offering Memorandum or upon exercise of outstanding options
or warrants described in the Pricing Disclosure Package and the Offering Memorandum, as the case may be). The outstanding shares of common stock of the Company (the “Common Stock”) have been duly authorized and validly issued and
are fully paid and non-assessable. The outstanding shares of capital stock or other equity interests of each of the Subsidiaries have been duly authorized and validly issued, are fully paid (to the extent required under the applicable limited
partnership agreement of such Subsidiary) and non-assessable (except as such non-assessability may be affected by Sections 153.102, 153.112, 153.202 or 153.210 of the Texas Business Organizations Code with respect to limited partnerships and
Sections 101.114, 101.153 or 101.206 of the Texas Business Organizations Code with respect to limited liability companies) and, except as disclosed in the Offering Memorandum, are wholly owned by the Company or another Subsidiary free and clear of
all liens, pledges, restrictions, encumbrances and equities and claims.  
 (n) Preparation of the Financial
Statements. The consolidated financial statements of the Company and the Subsidiaries, together with related notes and schedules as included and incorporated by reference in the Offering Memorandum, present fairly in all material respects the
financial position and the results of operations and cash flows of the Company and the consolidated Subsidiaries, at the indicated dates and for the indicated periods. Such financial statements and related schedules have been prepared in accordance
with U.S. generally accepted principles of accounting, consistently applied throughout the periods involved (“GAAP”), except as disclosed therein, and all adjustments necessary for a fair presentation of results for such periods
have been made. The summary financial and statistical data included or incorporated by reference in the Offering Memorandum presents fairly in all material respects the information shown therein and such data has been compiled on a basis consistent
with the financial statements presented therein and the books and records of the Company. The interactive data in eXtensible Business Reporting Language (“XBRL”) incorporated by reference in the Offering Memorandum and the Pricing
Disclosure Package (i) fairly present the information contained therein and (ii) have been prepared in accordance with the Commission’s rules and guidelines applicable thereto, in each case of clause (i) and (ii) in all
material respects. 
 (o) Statistical Data. The statistical, industry-related and market-related data
included in the Offering Memorandum are based on or derived from sources that the Company reasonably and in good faith believes are reliable and accurate.  

(p) Company’s Accounting System. Except as disclosed in the Offering Memorandum, the Company maintains a
system of internal accounting controls (“Internal Controls”) in compliance with the Sarbanes-Oxley Act and is sufficient to provide reasonable assurances that (i) transactions are executed in accordance with management’s
general or specific authorization; (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to 

  
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maintain accountability for assets; (iii) access to assets is permitted only in accordance with management’s general or specific authorization; (iv) the recorded accountability
for assets is compared with existing assets at reasonable intervals and appropriate action is taken with respect to any differences; and (v) the interactive data in XBRL incorporated by reference in the Offering Memorandum and the Pricing
Disclosure Package (i) fairly present the information contained therein and (ii) have been prepared in accordance with the Commission’s rules and guidelines applicable thereto, in each case of clause (i) and (ii) in all
material respects. 
 (q) No Significant Deficiencies. Since the date of the most recent balance sheet
of the Company and its consolidated Subsidiaries reviewed or audited by KPMG LLP or Grant Thornton, LLP, as applicable, and reviewed by the Audit Committee of the Board of Directors of the Company, (i) the Company has not been advised of
(A) any significant deficiencies in the design or operation of Internal Controls that could adversely affect the ability of the Company and each of its Subsidiaries to record, process, summarize and report financial data, or any material
weaknesses in Internal Controls and (B) any fraud, whether or not material, that involves management or other employees who have a significant role in the Internal Controls of the Company and each of its Subsidiaries, and (ii) since that
date, there have been no significant changes in Internal Controls or in other factors that could significantly affect Internal Controls, including any corrective actions with regard to significant deficiencies and material weaknesses. 

(r) Disclosure Controls and Procedures. The Company has established and maintains “disclosure controls and
procedures” (as defined in Rules 13a-15(e) and 15d-15(e) of the Exchange Act); the Company’s “disclosure controls and procedures” are reasonably designed to ensure that all information (both financial and non-financial)
required to be disclosed by the Company in the reports that it files or furnishes under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and regulations of the Commission, and that all
such information is accumulated and communicated to the Company’s management as appropriate to allow timely decisions regarding required disclosure and to make the certifications of the Chief Executive Officer and Chief Financial Officer of the
Company required under the Exchange Act with respect to such reports. 
 (s) Independent Accountants.
Each of (i) Grant Thornton, LLP, which has certified certain financial statements of the Company and delivered its opinion with respect to the audited financial statements and schedules included and incorporated by reference in the Offering
Memorandum, and (ii) KPMG LLP, which reviewed certain financial statements of the Company included in the Company’s Quarterly Report on Form 10-Q for the fiscal quarters ended March 31, 2014 and June 30, 2014, is an independent
registered public accounting firm with respect to the Company within the meaning of the Securities Act and the applicable rules and regulations of the Public Company Accounting Oversight Board. 

(t) No Material Actions or Proceedings. Except as set forth in the Offering Memorandum, there is no action, suit,
claim or proceeding pending or, to the knowledge  

  
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of the Company, threatened against or affecting the Company or any of the Subsidiaries, before any court or administrative agency or which has the subject thereof any property owned or leased
by the Company or any of the Subsidiaries (i) that are required by the Securities Act to be disclosed on a registration statement in Form S-3 which is not so disclosed in the Offering Memorandum or (ii) which, if determined adversely to
the Company or any of its Subsidiaries, would reasonably be expected to have a Material Adverse Effect or prevent the consummation of the transactions contemplated hereby. 

(u) Title to Properties. Each of the Company and its Subsidiaries has (i) good and defensible title to all
of the oil and gas properties (including oil and gas wells, producing leasehold interests and appurtenant personal property) owned by the Company and its Subsidiaries, title investigations having been carried out by the Company or its Subsidiaries
consistent with the reasonable practice in the oil and gas industry in the areas in which the Company and its Subsidiaries operate and (ii) good title to all other real and personal property owned by the Company and its Subsidiaries, including
but not limited to such other real and personal property reflected in the financial statements of the Company and its Subsidiaries included and incorporated by reference in the Offering Memorandum, in each case free and clear of all restrictions,
mortgages, pledges, security interests, claims, liens, encumbrances, charges and defects except such as (x) are described in the Offering Memorandum, (y) liens and encumbrances under operating agreements, unitization and pooling
agreements, production sales contracts, farm-out agreements and other oil and gas exploration participation and production agreements, in each case that secure payment of amounts not yet due and payable for the performance of other unmatured
obligations and are of a scope and nature customary in the oil and gas industry or arise in connection with drilling and production operations or (z) such as do not affect the value of the properties of the Company and its Subsidiaries,
considered as one enterprise, and do not interfere in any respect with the use made and proposed to be made of such properties by the Company and its Subsidiaries, considered as one enterprise, with such exceptions as would not reasonably be
expected to have a Material Adverse Effect. All of the leases and subleases under which the Company or any of its Subsidiaries holds or uses properties described in the Offering Memorandum are in full force and effect, with such exceptions as would
not reasonably be expected to have a Material Adverse Effect, and neither the Company nor any of its Subsidiaries has any notice of any material claim of any sort that has been asserted by anyone adverse to the rights of the Company or its
Subsidiaries under any of the leases or subleases mentioned above, or affecting or questioning the rights of the Company or any Subsidiary thereof to the continued possession or use of the leased or subleased premises, in each case, with such
exceptions as would not reasonably be expected to have a Material Adverse Effect. The working interests in oil, gas and mineral leases or mineral interests which constitute a portion of the real property held by the Company reflect in all material
respects the right of the Company to explore, develop or receive production from such real property, and the care taken by the Company and its Subsidiaries with respect to acquiring or otherwise procuring such leases or mineral interests was
generally consistent with standard industry practices in the areas in which the Company and its Subsidiaries operate for acquiring or procuring leases and interests therein to explore, develop or produce for hydrocarbons. 

  
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 (v) Rights-of-Way. The Company and its Subsidiaries have such
consents, easements, rights-of-way or licenses from any person
(“rights-of-way”) as are necessary to enable the Company and its Subsidiaries to conduct its business in the manner described in the Offering
Memorandum, subject to such qualifications as may be set forth in the Offering Memorandum, and except for such rights-of-way the lack of which would not have,
individually or in the aggregate, a Material Adverse Effect. 
 (w) Tax Law Compliance. The Company and
the Subsidiaries have filed all federal, state, local and foreign tax returns which have been required to be filed and have paid all taxes indicated by said returns and all assessments received by them or any of them to the extent that such taxes
have become due and payable by them, except (in any case) (i) for such taxes and assessments that are being contested in good faith and for which an adequate reserve for accrual has been established in accordance with GAAP, (ii) for any
such taxes or assessments that are currently payable without penalty or interest, (iii) where a failure to do so would not reasonably be expected to have a Material Adverse Effect or (iv) to the extent described in the Offering Memorandum.
The Company has no knowledge of any actual or proposed additional material tax assessments. There are no transfer taxes or other similar fees or charges under U.S. federal law or the laws of any U.S. state, or any political subdivision thereof,
required to be paid in connection with the execution and delivery of this Agreement or the issuance by the Company or sale by the Company of the Notes. 

(x) No Material Adverse Effect. Since the respective dates as of which information is given in the Offering
Memorandum, exclusive of any amendment or supplement thereto, (i) there has not occurred any Material Adverse Effect, and there has not been any material transaction entered into or any material transaction that is probable of being entered
into by the Company or the Guarantors, other than transactions in the ordinary course of business and changes and transactions described in the Offering Memorandum, and (ii) none of the Company or any of the Guarantors has incurred any
liability or obligation (financial or otherwise), direct or contingent, or entered into any transaction (including any off-balance sheet activities or transactions), not in the ordinary course of business, that is material to the Company and the
Guarantors, as a whole, and there has not been any material change in the capital stock or partnership interests, as the case may be, or material increase in the short-term debt or long-term debt (including any off-balance sheet activities or
transactions), of any of the Company or the Guarantors, or any Material Adverse Effect, or any development involving or which may reasonably be expected to result in a Material Adverse Effect, in each case, except as described in the Offering
Memorandum. The Company and the Guarantors have no material liabilities or obligations, or indirect or direct contingent obligations, that are not disclosed in the Company’s financial statements in the Offering Memorandum. 

(y) Non-Contravention of Existing Instruments. Neither the Company nor any of the Subsidiaries is (i) in violation
of its Certificate of Formation or other formation document (“Charter”) or Bylaws, limited partnership agreement, limited liability company agreement or similar organizational documents, (ii) in violation of or default (or with
the giving of notice or lapse of time or both, will be in default) under any agreement, lease, contract, indenture or other instrument or obligation to which it is a party or by 

  
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which it, or any of its properties, is bound or (iii) in violation of any statute, law, rule, regulation, judgment, order or decree of any court, regulatory body, administrative agency,
governmental body, arbitrator or other authority having jurisdiction over the Company or such Subsidiary or any of its properties, as applicable, except, with respect to clauses (i) through (iii), for such violations or defaults as would not,
individually or in the aggregate, have a Material Adverse Effect. The execution and delivery of the Transaction Documents and the consummation of the transactions herein contemplated and the fulfillment of the terms hereof will not conflict with or
result in a breach of any of the terms or provisions of, or constitute a default under (1) the Charter or Bylaws, of the Company, (2) any contract, indenture, mortgage, deed of trust or other agreement or instrument to which the Company or
any of the Subsidiaries is a party, or (3) any order, rule or regulation applicable to the Company or any of the Subsidiaries of any court or of any regulatory body or administrative agency or other governmental body having jurisdiction over
the Company or any of the Subsidiaries or any of their respective properties, except, with respect to clauses (2) and (3), where such conflicts, breaches or defaults would not result in a Material Adverse Effect. 

(z) No Further Authorizations or Approvals Required. No permit, consent, approval, authorization, order, registration,
filing or qualification (“Consents”) of or with any court or governmental agency or body having jurisdiction over the Company or any of the Guarantors or any of their respective properties or assets is required in connection with
the offering, issuance or sale by the Company of the Securities or the execution, delivery and performance of the Transaction Documents by the Company and the Guarantors to the extent a party thereto, except (i) such Consents as may be required
under the Securities Act, the Exchange Act and state securities or “Blue Sky” laws of any jurisdiction, (ii) such Consents as have been obtained or will be obtained prior to the Closing Date, (iii) such Consents that, if not
obtained, could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect or materially impair the ability of the Company and the Guarantors to consummate the transactions contemplated by this Agreement, and
(iv) such Consents as are disclosed in the Pricing Disclosure Package and the Offering Memorandum. 
 (aa) All
Necessary Permits, etc. The Company and each of the Subsidiaries has all licenses, certifications, permits, franchises, approvals, clearances and other regulatory authorizations (“Permits”) from governmental authorities as are
necessary to conduct its businesses as currently conducted and to own, lease and operate its properties in the manner described in the Offering Memorandum except as would not reasonably be expected to have a Material Adverse Effect. There is no
claim, proceeding or controversy, pending or, to the knowledge of the Company or any of the Subsidiaries, threatened, involving the status of or sanctions under any of the Permits and no event has occurred that might allow for the revocation,
termination, modification or other impairment of the rights of the Company or any of the Subsidiaries under such Permit, except, for such claims, proceedings, controversies or events as would not, individually or in the aggregate, have a Material
Adverse Effect. 
 (bb) No Price Stabilization or Manipulation. Neither the Company nor any of the
Guarantors has taken, directly or indirectly, any action designed to cause or result  

  
 11 

 
in, or which has constituted or which might reasonably be expected to constitute, the stabilization or manipulation of the price of any security of the Company to facilitate the sale or
resale of the Securities. 
 (cc) Company and Guarantors Not an “Investment Company”. Neither
the Company nor any of the Guarantors is, and after giving effect to the offering and the sale of the Securities and the application of the proceeds thereof as described in the Offering Memorandum will be, an “investment company” within
the meaning of such term under the Investment Company Act of 1940, as amended, and the rules and regulations of the Commission thereunder (collectively, the “Investment Company Act”). 

(dd) Insurance. The Company and each of the Guarantors carry, or are covered by, insurance in such amounts and
covering such risks as is commercially reasonable for the conduct of their respective businesses and the value of their respective properties and as is customary for companies engaged in similar industries. All policies of insurance insuring the
Company or any Guarantor or any of their respective businesses, assets, employees, officers and directors are in full force and effect, and the Company and the Guarantors are in compliance with the terms of such policies in all material respects.
There are no claims by the Company or any Guarantor under any such policy or instrument as to which an insurance company is denying liability or defending under a reservation of rights clause. The Company has no reason to believe that it or any
Guarantor will not be able (i) to renew its existing insurance coverage as and when such policies expire or (ii) to obtain comparable coverage from similar institutions as may be necessary or appropriate to conduct its business as now
conducted and at a cost that would not have a Material Adverse Effect. 
 (ee) Solvency. Each of the
Company and the Guarantors is, and immediately after the Closing Date will be, Solvent. As used herein, the term “Solvent” means, with respect to any person on a particular date, that on such date (i) the fair market value of the
assets of such person is greater than the total amount of liabilities (including contingent liabilities) of such person, (ii) the present fair salable value of the assets of such person is greater than the amount that will be required to pay
the probable liabilities of such person on its debts as they become absolute and matured, (iii) such person is able to realize upon its assets and pay its debts and other liabilities, including contingent obligations, as they mature and
(iv) such person does not have unreasonably small capital. 
 (ff) ERISA Compliance. The Company is
in compliance in all material respects with all presently applicable provisions of the Employee Retirement Income Security Act of 1974, as amended, including the regulations and published interpretations thereunder (“ERISA”); no
“reportable event” (as defined in ERISA) has occurred with respect to any “pension plan” (as defined in ERISA) for which the Company would have any liability; the Company has not incurred and does not expect to incur liability
under (i) Title IV of ERISA with respect to termination of, or withdrawal from, any “pension plan” or (ii) Section 412 or 4971 of the Internal Revenue Code of 1986, as amended, including the regulations and published
interpretations thereunder (the “Code”); and each “pension plan” for which the Company would have any liability that is intended to be  

  
 12 

 
qualified under Section 401(a) of the Code is so qualified in all material respects and nothing has occurred, whether by action or by failure to act, which would cause the loss of such
qualification. 
 (gg) Compliance with and Liability Under Environmental Laws. Neither the Company nor
any Guarantor is in violation of any statute, any rule, regulation, decision or order of any governmental agency or body or any court, domestic or foreign, relating to the use, disposal or release of hazardous chemicals, toxic substances or
radioactive and biological materials or relating to the protection or restoration of the environment or human exposure to hazardous chemicals, toxic substances or radioactive and biological materials (collectively, “Environmental
Laws”), except as would not reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect. Neither the Company nor the Guarantors own or operate any real property contaminated with any substance that requires
remedial action to be taken under any Environmental Laws, is liable for remedial action at any site where materials regulated under Environmental Laws were disposed by the Company or any Guarantor, or is subject to any claim relating to any
Environmental Laws, which violation, contamination, liability or claim in each case would individually or in the aggregate have a Material Adverse Effect; and the Company is not aware of any pending investigation which might lead to such a claim.
There are no costs or liabilities arising under any Environmental Laws with respect to the operations or properties of the Company and its Subsidiaries (including, without limitation, any capital or operating expenditures required for clean-up or
closure of properties, compliance with Environmental Laws, any permit, license or approval or any related legal constraints on operating activities, and any potential liabilities of third parties assumed under contract by the Company or its
Subsidiaries) that would, individually or in the aggregate, have a Material Adverse Effect. 
 (hh) Periodic
Review of Costs of Environmental Compliance. In the ordinary course of its business, the Company conducts a periodic review of the effect of applicable Environmental Laws on the business, operations and properties of the Company and its
Subsidiaries, in the course of which it identifies and evaluates material associated costs and liabilities (including, without limitation, any capital or operating expenditures required for clean-up, closure
of properties or compliance with Environmental Laws or any permit, license or approval, any related constraints on operating activities and any potential liabilities to third parties). On the basis of such review and the amount of its established
reserves and except as disclosed in the Offering Memorandum, the Company has reasonably concluded that such identified associated costs and liabilities would not, individually or in the aggregate, have a Material Adverse Effect. 

(ii) No Unlawful Contributions or Other Payments. Neither the Company nor any of its Subsidiaries nor, to the
knowledge of the Company, the Guarantors, any director, officer, agent, employee or affiliate of the Company or any of its Subsidiaries is aware of or has taken any action, directly or indirectly, that would result in a violation by such persons of
the FCPA, including, without limitation, making use of the mails or any means or instrumentality of interstate commerce corruptly in furtherance of an offer, payment, promise to pay or authorization of the payment of any money, or other

  
 13 

 
property, gift, promise to give, or authorization of the giving of anything of value to any “foreign official” (as such term is defined in the FCPA) or any foreign political party
or official thereof or any candidate for foreign political office, in contravention of the FCPA, and the Company, its Subsidiaries and, to the knowledge of the Company, its affiliates have conducted their businesses in compliance with the FCPA and
have instituted and maintain policies and procedures designed to ensure, and which are reasonably expected to continue to ensure, continued compliance therewith. 

“FCPA” means Foreign Corrupt Practices Act of 1977, as amended, and the rules and regulations thereunder. 

(jj) Intellectual Property Rights. The Company and each of the Guarantors owns, licenses, or otherwise has rights
in all United States and foreign patents, trademarks, service marks, tradenames, copyrights, trade secrets and other proprietary rights necessary for the conduct of its respective business as currently carried on and as proposed to be carried on as
described in the Offering Memorandum (collectively and together with any applications or registrations for the foregoing, the “Intellectual Property”), except where the failure to so own or possess would not, individually or in the
aggregate, have a Material Adverse Effect, and neither the Company nor any of its Guarantors has received any notice of infringement of or conflict with any asserted rights of others with respect to any of the foregoing which, individually or in the
aggregate, if the subject of an unfavorable decision, ruling or finding, would have a Material Adverse Effect. 

(kk) Compliance with Sarbanes-Oxley. As of the date hereof, the Company is, and on the Closing Date will be, in
compliance in all material respects with the applicable provisions of the Sarbanes-Oxley Act of 2002 (the “Sarbanes-Oxley Act,” which term, as used herein, includes the rules and regulations of the Commission promulgated thereunder)
and the rules of the New York Stock Exchange that are then in effect and with which the Company is required to comply. 

(ll) Related Party Transactions. No relationship, direct or indirect, exists between or among any of the Company
or any affiliate of the Company, on the one hand, and any director, officer, member, stockholder, customer or supplier of the Company or any affiliate of the Company, on the other hand, which is required by the Securities Act to be disclosed in a
registration statement on Form S-3 which is not so disclosed in the Offering Memorandum. There are no outstanding loans, advances (except normal advances for business expenses in the ordinary course of business) or guarantees of indebtedness by the
Company to or for the benefit of any of the officers or directors of the Company or any of their respective family members, except as disclosed in the Offering Memorandum. 

(mm) Regulations T, U, X. Neither the Company nor any Guarantor nor any agent thereof acting on their behalf has
taken, and none of them will take, any action that might cause this Agreement or the issuance or sale of the Securities to violate Regulation T, Regulation U or Regulation X of the Board of Governors of the Federal Reserve System. 

  
 14 

 (nn) Compliance with Labor Laws. No labor problem or dispute with
the employees of the Company or the Subsidiaries exists or, to the Company’s knowledge, is threatened or imminent, and the Company has no knowledge of any existing or imminent labor disturbance by the employees of any of its or its
Subsidiaries’ principal suppliers, contractors, consultants or customers, that would have a Material Adverse Effect. 

(oo) No Conflict with Money Laundering Laws. The operations of the Company and its Subsidiaries are and have been
conducted at all times in compliance with applicable financial recordkeeping and reporting requirements of the Currency and Foreign Transactions Reporting Act of 1970, as amended, the applicable anti-money laundering statutes of jurisdictions where
the Company and its Subsidiaries conduct business, the rules and regulations thereunder and any related or similar rules, regulations or guidelines issued, administered or enforced by any governmental agency (collectively, the “Money
Laundering Laws”) and no action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Company or any of its Subsidiaries with respect to the Money Laundering Laws is pending or,
to the knowledge of the Company, threatened. 
 (pp) No Conflict with Sanctions Laws. None of the
Company nor any of its Subsidiaries (collectively, the “Entity”), nor any director or officer of the Entity nor, to the Entity’s knowledge, any employee agent, affiliate or representative of the Entity, is an individual or
entity (“Person”) that is, or is owned or controlled by, a Person that is (i) the subject of any sanctions administered or enforced by the U.S. Department of Treasury’s Office of Foreign Assets Control
(“OFAC”), the United Nations Security Council (“UNSC”), the European Union (“EU”), Her Majesty’s Treasury (“HMT”), or other relevant sanctions authority (collectively,
“Sanctions”), nor (ii) located, organized or resident in a country or territory that is the subject of Sanctions (including, without limitation, Burma/Myanmar, Cuba, Iran, North Korea, Sudan and Syria). The Entity represents
and covenants that it will not, directly or indirectly, use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other Person (A) to fund or facilitate any
activities or business of or with any Person or in any country or territory that, at the time of such funding or facilitation, is the subject of Sanctions; or (B) in any other manner that will result in a violation of Sanctions by any Person
(including any Person participating in the offering, whether as underwriter, advisor, investor or otherwise). The Entity represents and covenants that it has not knowingly engaged in, is not now knowingly engaged in, and will not engage in, any
dealings or transactions with any Person, or in any country or territory, that at the time of the dealing or transaction is or was the subject of Sanctions. 

(qq) Royalties. As of the date hereof, (i) all royalties, rentals, deposits and other amounts owed under the
oil and gas leases constituting the oil and gas properties of the Company and its Subsidiaries have been properly and timely paid, other than amounts held in suspense accounts pending routine payments or related to disputes about the proper
identification of royalty owners and except where the failure to timely pay such amounts could not, individually or in the aggregate, have a Material Adverse Effect on the Company or any of its Subsidiaries; (ii) no material amount of proceeds
from the sale or production attributable to the oil and gas properties of the Company and its  

  
 15 

 
Subsidiaries are currently being held in suspense by any purchaser thereof, except where such amounts due could not, individually or in the aggregate, have a Material Adverse Effect on the
Company or any of the Subsidiaries, and (iii) there are no claims under take or pay contracts pursuant to which natural gas purchasers have any make up rights affecting the interests of the Company or its Subsidiaries in their oil and gas
properties, except where such claims could not, individually or in the aggregate, have a Material Adverse Effect on the Company or any of its Subsidiaries. 

(rr) Preparation of the Reserve Estimates. The oil and natural gas reserve estimates contained in the Offering
Memorandum have been prepared by employees of the Company or the Guarantors and have been audited by an independent reserve engineer, in accordance with Commission guidelines applied on a consistent basis throughout the periods involved, and the
Company and the Guarantors have no reason to believe that such estimates do not fairly reflect the oil and natural gas reserves of the Company and the Guarantors as of the dates indicated. The information underlying the estimates of the
Company’s reserves that was supplied to Netherland, Sewell & Associates, Inc. (the “Reserve Engineer”), for the purposes of auditing the reserve reports and estimates of the proved reserves of the Company disclosed in
the Offering Memorandum, including production and costs of operation, was true and correct in all material respects on the dates such estimates were made, and such information was supplied and was prepared in accordance with customary industry
practices. Other than normal production of the reserves, the impact of the changes in prices and costs, and fluctuations in demand for oil and natural gas and except as disclosed in the Offering Memorandum, the Company has no knowledge of any facts
or circumstances that would in the aggregate result in a material adverse change in the aggregate net proved reserves, or the aggregate present value or the standardized measure of the future net cash flows therefrom, as described in the Offering
Memorandum and as reflected in the reports the Reserve Engineer prepared with regard to the proved reserves that the Company owns. The estimates of such proved reserves and standardized measure as described in the Offering Memorandum and reflected
in the reports referenced therein have been prepared in a manner that complies, in all material respects, with the applicable requirements of the rules and regulations of the Commission with respect to such estimates. 

(ss) Independent Petroleum Engineers. The Reserve Engineer is an independent petroleum engineer with respect to
the Company and the Guarantors.  
 Any certificate signed by an officer of the Company or any Guarantor and delivered to the Initial
Purchasers or to counsel for the Initial Purchasers shall be deemed to be a representation and warranty by the Company or such Guarantor to each Initial Purchaser as to the matters set forth therein. 

SECTION 2. Purchase, Sale and Delivery of the Securities. 

(a) The Securities. Each of the Company and the Guarantors agrees to issue and sell to the Initial Purchasers, severally and not
jointly, all of the Securities, and,. subject to the conditions set forth herein, the Initial Purchasers agree, severally and not jointly, to purchase from the Company and the Guarantors the aggregate principal amount of Securities set forth 

  
 16 

 
opposite their names on Schedule A, at a purchase price of 98.25% of the principal amount thereof payable on the Closing Date, in each case, on the basis of the representations, warranties
and agreements herein contained, and upon the terms herein set forth. 
 (b) The Closing Date. Delivery of certificates
for the Securities in definitive form to be purchased by the Initial Purchasers and payment therefor shall be made at the offices of Latham & Watkins LLP, 811 Main Street, Suite 3700, Houston, TX 77002 (or such other place as may be agreed
to by the Company and Merrill Lynch) at 9:00 a.m. New York City time, on April 14, 2015, or such other time and date as Merrill Lynch shall designate by notice to the Company (the time and date of such closing are called the “Closing
Date”). The Company hereby acknowledges that circumstances under which Merrill Lynch may provide notice to postpone the Closing Date as originally scheduled include, but are in no way limited to, any determination by the Company or the
Initial Purchasers to recirculate to investors copies of an amended or supplemented Offering Memorandum or a delay as contemplated by the provisions of Section 17 hereof. 

(c) Delivery of the Notes. The Company shall deliver, or cause to be delivered, to Merrill Lynch for the accounts of the several
Initial Purchasers certificates for the Notes at the Closing Date against the irrevocable release of a wire transfer of immediately available funds for the amount of the purchase price therefor. The certificates for the Notes shall be in such
denominations and registered in the name of Cede & Co., as nominee of the Depositary, pursuant to the DTC Agreement, and shall be made available for inspection on the business day preceding the Closing Date at a location in New York City,
as Merrill Lynch may designate. Time shall be of the essence, and delivery at the time and place specified in this Agreement is a further condition to the obligations of the Initial Purchasers. 

(d) Initial Purchasers as Qualified Institutional Buyers. Each Initial Purchaser severally and not jointly represents and
warrants to, and agrees with, the Company that: 
 (i) it will offer and sell Securities only to
(a) persons who it reasonably believes are “qualified institutional buyers” within the meaning of Rule 144A (“Qualified Institutional Buyers”) in transactions meeting the requirements of Rule 144A or (b) upon the
terms and conditions set forth in Annex I to this Agreement; 
 (ii) it is an institutional “accredited
investor” within the meaning of Rule 501(a)(1), (2), (3) or (7) under the Securities Act; and 
 (iii) it will
not offer or sell Securities by, any form of general solicitation or general advertising, including but not limited to the methods described in Rule 502(c) under the Securities Act. 

SECTION 3. Additional Covenants. Each of the Company and the Guarantors further covenants and agrees with each Initial Purchaser
as follows: 
 (a) Preparation of Final Offering Memorandum; Initial Purchasers’ Review of Proposed
Amendments and Supplements and Company Additional Written Communications. As promptly as practicable following the Time of Sale and in any event not later than the second business day following the date hereof, the 

  
 17 

 
Company will prepare and deliver to the Initial Purchasers the Final Offering Memorandum, which shall consist of the Preliminary Offering Memorandum as modified only by the information
contained in the Pricing Supplement. The Company will not amend or supplement the Preliminary Offering Memorandum or the Pricing Supplement. The Company will not amend or supplement the Final Offering Memorandum prior to the Closing Date unless the
Representative shall previously have been furnished a copy of the proposed amendment or supplement at least two business days prior to the proposed use or filing, and shall not have objected to such amendment or supplement. Before making, preparing,
using, authorizing, approving or distributing any Company Additional Written Communication, the Company will furnish to the Representative a copy of such written communication for review and will not make, prepare, use, authorize, approve or
distribute any such written communication to which the Representative reasonably objects. 
 (b) Amendments
and Supplements to the Final Offering Memorandum and Other Securities Act Matters. If at any time prior to the Closing Date (i) any event shall occur or condition shall exist as a result of which any of the Pricing Disclosure Package as
then amended or supplemented would include any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading or
(ii) it is necessary to amend or supplement any of the Pricing Disclosure Package to comply with law, the Company and the Guarantors will promptly notify the Initial Purchasers thereof and forthwith prepare and (subject to Section 3(a)
hereof) furnish to the Initial Purchasers such amendments or supplements to any of the Pricing Disclosure Package as may be necessary so that the statements in any of the Pricing Disclosure Package as so amended or supplemented will not, in the
light of the circumstances under which they were made, be misleading or so that any of the Pricing Disclosure Package will comply with all applicable law. If, prior to the completion of the placement of the Securities by the Initial Purchasers with
the Subsequent Purchasers, any event shall occur or condition exist as a result of which it is necessary to amend or supplement the Final Offering Memorandum, as then amended or supplemented, in order to make the statements therein, in the light of
the circumstances when the Final Offering Memorandum is delivered to a Subsequent Purchaser, not misleading, or if in the judgment of the Representative or counsel for the Initial Purchasers it is otherwise necessary to amend or supplement the Final
Offering Memorandum to comply with law, the Company and the Guarantors agree to promptly prepare (subject to Section 3 hereof), file with the Commission and furnish at its own expense to the Initial Purchasers, amendments or supplements to the
Final Offering Memorandum so that the statements in the Final Offering Memorandum as so amended or supplemented will not, in the light of the circumstances at the Closing Date and at the time of sale of Securities, be misleading or so that the Final
Offering Memorandum, as amended or supplemented, will comply with all applicable law. 
 Following the consummation of
the Exchange Offer or the effectiveness of an applicable shelf registration statement and for so long as the Securities are outstanding, if, in the judgment of the Representative, the Initial Purchasers or any of their affiliates (as such term is
defined in the Securities Act) are required to deliver a prospectus in 

  
 18 

 
connection with sales of, or market-making activities with respect to, the Securities, the Company and the Guarantors agree to periodically amend the applicable registration statement so that the
information contained therein complies with the requirements of Section 10 of the Securities Act, to amend the applicable registration statement or supplement the related prospectus or the documents incorporated therein when necessary to
reflect any material changes in the information provided therein so that the registration statement and the prospectus will not contain any untrue statement of a material fact or omit to state any material fact necessary in order to make the
statements therein, in the light of the circumstances existing as of the date the prospectus is so delivered, not misleading and to provide the Initial Purchasers with copies of each amendment or supplement filed and such other documents as the
Initial Purchasers may reasonably request. 
 The Company hereby expressly acknowledges that the indemnification and
contribution provisions of Sections 8 and 9 hereof are specifically applicable and relate to each offering memorandum, registration statement, prospectus, amendment or supplement referred to in this Section 3. 

(c) Copies of the Offering Memorandum. The Company agrees to furnish the Initial Purchasers, without charge, as
many copies of the Pricing Disclosure Package and the Final Offering Memorandum and any amendments and supplements thereto as they shall reasonably request. 

(d) Blue Sky Compliance. Each of the Company and the Guarantors shall cooperate with the Representative and
counsel for the Initial Purchasers to qualify or register (or to obtain exemptions from qualifying or registering) all or any part of the Securities for offer and sale under the securities laws of the several states of the United States, the
provinces of Canada or any other jurisdictions designated by the Representatives, shall comply with such laws and shall continue such qualifications, registrations and exemptions in effect so long as required for the distribution of the Securities.
Neither the Company nor any of the Guarantors shall be required to qualify as a foreign corporation or to take any action that would subject it to general service of process in any such jurisdiction where it is not presently qualified or where it
would be subject to taxation as a foreign corporation. The Company will advise the Representative promptly of the suspension of the qualification or registration of (or any such exemption relating to) the Securities for offering, sale or trading in
any jurisdiction or any initiation or threat of any proceeding for any such purpose, and in the event of the issuance of any order suspending such qualification, registration or exemption, each of the Company and the Guarantors shall use its
reasonable best efforts to obtain the withdrawal thereof at the earliest possible moment. 
 (e) Use of
Proceeds. The Company shall apply the net proceeds from the sale of the Securities sold by it in the manner described under the caption “Use of Proceeds” in the Pricing Disclosure Package. 

  
 19 

 (f) The Depositary. The Company will cooperate with the Initial
Purchasers and use its reasonable best efforts to permit the Securities to be eligible for clearance and settlement through the facilities of the Depositary. 

(g) Additional Issuer Information. Prior to the completion of the placement of the Securities by the Initial
Purchasers with the Subsequent Purchasers, the Company shall file, on a timely basis, with the Commission and the NYSE all reports and documents required to be filed under Section 13 or 15 of the Exchange Act. Additionally, at any time when the
Company is not subject to Section 13 or 15 of the Exchange Act, for the benefit of holders and beneficial owners from time to time of the Securities, the Company shall furnish, at its expense, upon request, to holders and beneficial owners of
Securities and prospective purchasers of Securities information satisfying the requirements of Rule 144A(d). 

(h) Agreement Not To Offer or Sell Additional Securities. During the period of 60 days following the date hereof,
the Company will not, without the prior written consent of Merrill Lynch (which consent may be withheld at the sole discretion of Merrill Lynch), directly or indirectly, sell, offer, contract or grant any option to sell, pledge, transfer or
establish an open “put equivalent position” within the meaning of Rule 16a-1 under the Exchange Act, or otherwise dispose of or transfer, or announce the offering of, or file any registration statement under the Securities Act in respect
of, any debt securities of the Company or securities exchangeable for or convertible into debt securities of the Company (other than as contemplated by this Agreement and to register the Exchange Securities). 

(i) No Integration. The Company agrees that it will not and will cause its Affiliates not to make any offer or
sale of securities of the Company of any class if, as a result of the doctrine of “integration” referred to in Rule 502 under the Securities Act, such offer or sale would render invalid (for the purpose of (i) the sale of the
Securities by the Company to the Initial Purchasers, (ii) the resale of the Securities by the Initial Purchasers to Subsequent Purchasers or (iii) the resale of the Securities by such Subsequent Purchasers to others) the exemption from the
registration requirements of the Securities Act provided by Section 4(a)(2) thereof or by Rule 144A or by Regulation S thereunder or otherwise.  

(j) No General Solicitation or Directed Selling Efforts. The Company agrees that it will not and will not permit
any of its Affiliates or any other person acting on its or their behalf (other than the Initial Purchasers, as to which no covenant is given) to (i) solicit offers for, or offer or sell, the Securities by means of any form of general
solicitation or general advertising within the meaning of Rule 502(c) of Regulation D or in any manner involving a public offering within the meaning of Section 4(a)(2) of the Securities Act or (ii) engage in any directed selling efforts
with respect to the Securities within the meaning of Regulation S, and the Company will and will cause all such persons to comply with the offering restrictions requirement of Regulation S with respect to the Securities. 

  
 20 

 (k) No Restricted Resales. During a period of one year after the
Closing Date, the Company will not, and will not permit any of its affiliates (as defined in Rule 144 under the Securities Act) to resell any of the Notes that have been reacquired by any of them. 

(l) Legended Securities. Each certificate for a Note will bear the legend contained in “Transfer
Restrictions” in the Preliminary Offering Memorandum for the time period and upon the other terms stated in the Preliminary Offering Memorandum. 

The Representative on behalf of the several Initial Purchasers, may, in its sole discretion, waive in writing the performance by the Company
or any Guarantor of any one or more of the foregoing covenants or extend the time for their performance. 
 SECTION 4. Payment of
Expenses. Each of the Company and the Guarantors agrees to pay all costs, fees and expenses incurred in connection with the performance of its obligations hereunder and in connection with the transactions contemplated hereby, including, without
limitation, (i) all expenses incident to the issuance and delivery of the Securities (including all printing and engraving costs), (ii) all necessary issue, transfer and other stamp taxes in connection with the issuance and sale of the
Securities to the Initial Purchasers, (iii) all fees and expenses of the Company’s and the Guarantors’ counsel, independent public or certified public accountants and other advisors, (iv) all costs and expenses incurred in
connection with the preparation, printing, filing, shipping and distribution of the Pricing Disclosure Package and the Final Offering Memorandum (including financial statements and exhibits), and all amendments and supplements thereto, and the
Transaction Documents, (v) all filing fees, attorneys’ fees and expenses incurred by the Company, the Guarantors or the Initial Purchasers in connection with qualifying or registering (or obtaining exemptions from the qualification or
registration of) all or any part of the Securities for offer and sale under the securities laws of the several states of the United States, the provinces of Canada or other jurisdictions designated by the Initial Purchasers (including, without
limitation, the cost of preparing, printing and mailing preliminary and final blue sky or legal investment memoranda and any related supplements to the Pricing Disclosure Package or the Final Offering Memorandum, (vi) the fees and expenses of
the Trustee, including the fees and disbursements of counsel for the Trustee in connection with the Indenture, the Securities and the Exchange Securities, (vii) any fees payable in connection with the rating of the Securities or the Exchange
Securities with the ratings agencies, (viii) any filing fees incident to, and any reasonable fees and disbursements of counsel to the Initial Purchasers in connection with the review by FINRA, if any, of the terms of the sale of the Securities
or the Exchange Securities (in an amount not to exceed $10,000), (ix) all fees and expenses (including reasonable fees and expenses of counsel) of the Company and the Guarantors in connection with approval of the Securities by the Depositary
for “book-entry” transfer, and the performance by the Company and the Guarantors of their respective other obligations under this Agreement and (x) all expenses incident to the “road show” for the offering of the Securities;
provided, however, that the Initial Purchasers will pay for 50% of the cost of any chartered aircraft in connection with the road show. Except as provided in this Section 4 and Sections 6, 8 and 9 hereof, the Initial Purchasers shall pay
their own expenses, including the fees and disbursements of their counsel.  
 SECTION 5. Conditions of the Obligations of
the Initial Purchasers. The obligations of the several Initial Purchasers to purchase and pay for the Securities as provided 

  
 21 

 
herein on the Closing Date shall be subject to the accuracy of the representations and warranties on the part of the Company and the Guarantors set forth in Section 1 hereof as of the
date hereof and as of the Closing Date as though then made and to the timely performance by the Company of its covenants and other obligations hereunder, and to each of the following additional conditions: 

(a) Accountants’ Comfort Letter. On the date hereof, the Initial Purchasers shall have received from each of
KPMG and Grant Thornton LLP, the independent registered public accounting firms for the Company, a “comfort letter” dated the date hereof addressed to the Initial Purchasers, in form and substance satisfactory to the Representative,
covering the financial information in the Pricing Disclosure Package and other customary matters. In addition, on the Closing Date, the Initial Purchaser shall have received from such accountants a “bring-down comfort letter” dated the
Closing Date addressed to the Initial Purchasers, in form and substance satisfactory to the Representatives, in the form of the “comfort letter” delivered on the date hereof, except that (i) it shall cover the financial information in
the Final Offering Memorandum and any amendment or supplement thereto and (ii) procedures shall be brought down to a date no more than 3 days prior to the Closing Date. 

(b) Reserve Engineer Letter. On the date hereof, the Initial Purchasers shall have received from the Reserve
Engineer, a letter dated the date hereof addressed to the Initial Purchasers, in form and substance satisfactory to the Representative, containing statements and information ordinarily included in reserve engineers’ “comfort letters”
to Initial Purchasers with respect to the reserve reports and related information contained in the Offering Memorandum. In addition, on the Closing Date, the Initial Purchaser shall have received from the Reserve Engineer a bring-down letter dated
the Closing Date addressed to the Initial Purchasers, in form and substance satisfactory to the Representatives, in the form of the letter delivered on the date hereof, except that it shall cover the reserve reports and related information in the
Final Offering Memorandum and any amendment or supplement thereto. 
 (c) No Material Adverse Effect or
Ratings Agency Change. For the period from and after the date of this Agreement and prior to the Closing Date: 

(i) in the judgment of the Representative there shall not have occurred any Material Adverse Effect; and 

(ii) there shall not have occurred any downgrading, nor shall any notice have been given of any intended or potential
downgrading or of any review for a possible change that does not indicate the direction of the possible change, in the rating accorded the Company or any of its Subsidiaries or any of their securities or indebtedness by any “nationally
recognized statistical rating organization” registered under Section15E of the Exchange Act. 
 (d) Opinion of
Counsel for the Company. On the Closing Date the Initial Purchasers shall have received the favorable opinion of Baker Botts L.L.P., counsel for the Company, dated as of such Closing Date, the form of which is attached as Exhibits A-1 and
A-2. 

  
 22 

 (e) Opinion of Counsel for the Initial Purchasers. On the Closing
Date the Initial Purchasers shall have received the favorable opinion of Latham & Watkins LLP, counsel for the Initial Purchasers, dated as of such Closing Date, with respect to such matters as may be reasonably requested by the Initial
Purchasers. 
 (f) Officers’ Certificate. On the Closing Date the Initial Purchasers shall have
received a written certificate executed by the Chairman of the Board, Chief Executive Officer or President of the Company and each Guarantor and the Chief Financial Officer or Chief Accounting Officer of the Company and each Guarantor, dated as of
the Closing Date, to the effect set forth in Section 5(c)(ii) hereof, and further to the effect that: 
 (i) for
the period from and after the date of this Agreement and prior to the Closing Date there has not occurred any Material Adverse Effect; 

(ii) the representations, warranties and covenants of the Company and the Guarantors set forth in Section 1 hereof were
true and correct as of the date hereof and are true and correct as of the Closing Date with the same force and effect as though expressly made on and as of the Closing Date; and 

(iii) each of the Company and the Guarantors has complied with all the agreements and satisfied all the conditions on its part
to be performed or satisfied at or prior to the Closing Date. 
 (g) Indenture; Registration Rights
Agreement. The Company and the Guarantors shall have executed and delivered the Indenture, in form and substance reasonably satisfactory to the Initial Purchasers, and the Initial Purchasers shall have received executed copies
thereof. The Company and the Guarantors shall have executed and delivered the Registration Rights Agreement, in form and substance reasonably satisfactory to the Initial Purchasers and the Initial Purchasers shall have received such executed
counterparts. 
 (h) Depositary. The Securities shall be eligible for clearance and settlement through
the facilities of DTC. 
 (i) Additional Documents. On or before the Closing Date, the Initial Purchasers and
counsel for the Initial Purchasers shall have received such information, documents and opinions as they may reasonably require for the purposes of enabling them to pass upon the issuance and sale of the Securities as contemplated herein, or in order
to evidence the accuracy of any of the representations and warranties, or the satisfaction of any of the conditions or agreements, herein contained. 

If any condition specified in this Section 5 is not satisfied when and as required to be satisfied, this Agreement may be terminated by
the Representative by notice to the Company at any time on or prior to the Closing Date, which termination shall be without liability on the part of any party to any other party, except that Sections 4, 6, 8 and 9 hereof shall at all times be
effective and shall survive such termination. 

  
 23 

 SECTION 6. Reimbursement of Initial Purchasers’ Expenses. If this Agreement is
terminated by the Representative pursuant to Section 5 or clauses (i), (iv) or (v) of Section 10 hereof, including if the sale to the Initial Purchasers of the Securities on the Closing Date is not consummated because of any
refusal, inability or failure on the part of the Company to perform any agreement herein or to comply with any provision hereof, the Company agrees to reimburse the Initial Purchasers, severally, upon demand for all out-of-pocket expenses that shall
have been reasonably incurred by the Initial Purchasers in connection with the proposed purchase and the offering and sale of the Securities, including, without limitation, fees and disbursements of counsel, printing expenses, travel expenses,
postage, facsimile and telephone charges. 
 SECTION 7. Offer, Sale and Resale Procedures. Each of the Initial
Purchasers, on the one hand, and the Company and each of the Guarantors, on the other hand, hereby agree to observe the following procedures in connection with the offer and sale of the Securities: 

(a) Offers and sales of the Securities will be made only by the Initial Purchasers or Affiliates thereof qualified to do so in
the jurisdictions in which such offers or sales are made. Each such offer or sale shall only be made to persons whom the offeror or seller reasonably believes to be Qualified Institutional Buyers or non-U.S. persons outside the United States to whom
the offeror or seller reasonably believes offers and sales of the Securities may be made in reliance upon Regulation S upon the terms and conditions set forth in Annex I hereto, which Annex I is hereby expressly made a part hereof. 

(b) No general solicitation or general advertising (within the meaning of Rule 502 under the Securities Act) will be used in
the United States in connection with the offering of the Securities. 
 (c) Upon original issuance by the Company, and until
such time as the same is no longer required under the applicable requirements of the Securities Act, the Notes (and all securities issued in exchange therefor or in substitution thereof, other than the Exchange Notes) shall bear the following
legend: 
 “THE SECURITY (OR ITS PREDECESSOR) EVIDENCED HEREBY WAS ORIGINALLY ISSUED IN A TRANSACTION EXEMPT FROM REGISTRATION
UNDER SECTION 5 OF THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND THE SECURITY EVIDENCED HEREBY MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED IN THE ABSENCE OF SUCH REGISTRATION OR AN APPLICABLE
EXEMPTION THEREFROM. EACH PURCHASER OF THE SECURITY EVIDENCED HEREBY IS HEREBY NOTIFIED THAT THE SELLER MAY BE RELYING ON THE EXEMPTION FROM THE PROVISIONS OF SECTION 5 OF THE SECURITIES ACT PROVIDED BY RULE 144A THEREUNDER. THE HOLDER OF THE
SECURITY  

  
 24 

 
EVIDENCED HEREBY AGREES FOR THE BENEFIT OF THE COMPANY THAT (A) SUCH SECURITY MAY BE RESOLD, PLEDGED OR OTHERWISE TRANSFERRED, ONLY (1)(a) INSIDE THE UNITED STATES TO A PERSON WHO
THE SELLER REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL BUYER (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT) PURCHASING FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER IN A TRANSACTION MEETING THE REQUIREMENTS OF
RULE 144A UNDER THE SECURITIES ACT, (b) OUTSIDE THE UNITED STATES TO A FOREIGN PERSON IN A TRANSACTION MEETING THE REQUIREMENTS OF RULE 903 OR RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, (c) PURSUANT TO AN EXEMPTION FROM
REGISTRATION UNDER THE SECURITIES ACT PROVIDED BY RULE 144 THEREUNDER (IF APPLICABLE) OR (d) IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT (AND BASED UPON AN OPINION OF COUNSEL ACCEPTABLE TO THE
COMPANY IF THE COMPANY SO REQUESTS), (2) TO THE COMPANY OR (3) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT AND, IN EACH CASE, IN ACCORDANCE WITH ANY APPLICABLE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES OR ANY OTHER APPLICABLE
JURISDICTION AND (B) THE HOLDER WILL, AND EACH SUBSEQUENT HOLDER IS REQUIRED TO, NOTIFY ANY PURCHASER OF THE SECURITY EVIDENCED HEREBY OF THE RESALE RESTRICTIONS SET FORTH IN CLAUSE (A) ABOVE. NO REPRESENTATION CAN BE MADE AS TO THE
AVAILABILITY OF THE EXEMPTION PROVIDED BY RULE 144 FOR RESALE OF THE SECURITY EVIDENCED HEREBY.” 
 Following the sale of the
Securities by the Initial Purchasers to Subsequent Purchasers pursuant to the terms hereof, the Initial Purchasers shall not be liable or responsible to the Company for any losses, damages or liabilities suffered or incurred by the Company,
including any losses, damages or liabilities under the Securities Act, arising from or relating to any resale or transfer of any Security. 

SECTION 8. Indemnification. 

(a) Indemnification of the Initial Purchasers. Each of the Company and the Guarantors, jointly and severally, agrees to
indemnify and hold harmless each Initial Purchaser, its affiliates, directors, officers and employees, and each person, if any, who controls any Initial Purchaser within the meaning of the Securities Act and the Exchange Act against any loss, claim,
damage, liability or expense, as incurred, to which such Initial Purchaser, affiliate, director, officer, employee or controlling person may become subject, under the Securities Act, the Exchange Act or other federal or state statutory law or
regulation, or at common law or otherwise (including in settlement of any litigation, if such settlement is effected with the written 

  
 25 

 
consent of the Company), insofar as such loss, claim, damage, liability or expense (or actions in respect thereof as contemplated below) arises out of or is based upon any untrue
statement or alleged untrue statement of a material fact contained in the Preliminary Offering Memorandum, the Pricing Supplement, any Company Additional Written Communication or the Final Offering Memorandum (or any amendment or supplement
thereto), or the omission or alleged omission therefrom of a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; and to reimburse each Initial Purchaser and
each such affiliate, director, officer, employee or controlling person for any and all expenses (including the fees and disbursements of counsel chosen by Merrill Lynch) as such expenses are reasonably incurred by such Initial Purchaser or such
affiliate, director, officer, employee or controlling person in connection with investigating, defending, settling, compromising or paying any such loss, claim, damage, liability, expense or action; provided, however, that the foregoing indemnity
agreement shall not apply, with respect to an Initial Purchaser, to any loss, claim, damage, liability or expense to the extent, but only to the extent, arising out of or based upon any untrue statement or alleged untrue statement or omission or
alleged omission made in reliance upon and in conformity with written information furnished to the Company by or on behalf of such Initial Purchaser through the Representative expressly for use in the Preliminary Offering Memorandum, the Pricing
Supplement, any Company Additional Written Communication or the Final Offering Memorandum (or any amendment or supplement thereto). The indemnity agreement set forth in this Section 8(a) shall be in addition to any liabilities that the Company
may otherwise have. 
 (b) Indemnification of the Company and the Guarantors. Each Initial Purchaser agrees, severally
and not jointly, to indemnify and hold harmless the Company, each Guarantor, each of their respective directors and each person, if any, who controls the Company or any Guarantor within the meaning of the Securities Act or the Exchange Act, against
any loss, claim, damage, liability or expense, as incurred, to which the Company, any Guarantor or any such director or controlling person may become subject, under the Securities Act, the Exchange Act, or other federal or state statutory law or
regulation, or at common law or otherwise (including in settlement of any litigation, if such settlement is effected with the written consent of such Initial Purchaser), insofar as such loss, claim, damage, liability or expense (or actions in
respect thereof as contemplated below) arises out of or is based upon any untrue statement or alleged untrue statement of a material fact contained in the Preliminary Offering Memorandum, the Pricing Supplement, any Company Additional Written
Communication or the Final Offering Memorandum (or any amendment or supplement thereto), or the omission or alleged omission therefrom of a material fact necessary in order to make the statements therein, in the light of the circumstances under
which they were made, not misleading, in each case to the extent, but only to the extent, that such untrue statement or alleged untrue statement or omission or alleged omission was made in the Preliminary Offering Memorandum, the Pricing Supplement,
any Company Additional Written Communication or the Final Offering Memorandum (or any amendment or supplement thereto), in reliance upon and in conformity with written information furnished to the Company by or on behalf of such Initial Purchaser
through the Representative expressly for use therein; and to reimburse the Company, any Guarantor and each such director or controlling person for any and all expenses (including the fees and disbursements of counsel) as such expenses are reasonably
incurred by the Company, any Guarantor or such director or controlling person in connection with investigating, defending, settling, compromising or paying any such loss, claim, damage, liability, expense or action. Each of the Company and the 

  
 26 

 
Guarantors hereby acknowledges that the only information that the Initial Purchasers through the Representative have furnished to the Company expressly for use in the Preliminary Offering
Memorandum, the Pricing Supplement, any Company Additional Written Communication or the Final Offering Memorandum (or any amendment or supplement thereto) are the statements set forth in the fifth, ninth and tenth paragraphs under the caption
“Plan of Distribution” in the Preliminary Offering Memorandum and the Final Offering Memorandum. The indemnity agreement set forth in this Section 8(b) shall be in addition to any liabilities that each Initial Purchaser may otherwise
have. 
 (c) Notifications and Other Indemnification Procedures. Promptly after receipt by an indemnified party under
this Section 8 of notice of the commencement of any action, such indemnified party will, if a claim in respect thereof is to be made against an indemnifying party under this Section 8, notify the indemnifying party in writing of the
commencement thereof; provided that the failure to so notify the indemnifying party will not relieve it from any liability which it may have to any indemnified party under this Section 8 except to the extent that it has been materially
prejudiced by such failure (through the forfeiture of substantive rights and defenses) and shall not relieve the indemnifying party from any liability that the indemnifying party may have to an indemnified party other than under this Section 8.
In case any such action is brought against any indemnified party and such indemnified party seeks or intends to seek indemnity from an indemnifying party, the indemnifying party will be entitled to participate in and, to the extent that it shall
elect, jointly with all other indemnifying parties similarly notified, by written notice delivered to the indemnified party promptly after receiving the aforesaid notice from such indemnified party, to assume the defense thereof with counsel
reasonably satisfactory to such indemnified party; provided, however, if the defendants in any such action include both the indemnified party and the indemnifying party and the indemnified party shall have reasonably concluded that a conflict may
arise between the positions of the indemnifying party and the indemnified party in conducting the defense of any such action or that there may be legal defenses available to it and/or other indemnified parties which are different from or additional
to those available to the indemnifying party, the indemnified party or parties shall have the right to select separate counsel to assume such legal defenses and to otherwise participate in the defense of such action on behalf of such indemnified
party or parties. Upon receipt of notice from the indemnifying party to such indemnified party of such indemnifying party’s election so to assume the defense of such action and approval by the indemnified party of counsel, the indemnifying
party will not be liable to such indemnified party under this Section 8 for any legal or other expenses subsequently incurred by such indemnified party in connection with the defense thereof unless (i) the indemnified party shall have
employed separate counsel in accordance with the proviso to the immediately preceding sentence (it being understood, however, that the indemnifying party shall not be liable for the expenses of more than one separate counsel (together with local
counsel (in each jurisdiction)), which shall be selected by Merrill Lynch (in the case of counsel representing the Initial Purchasers or their related persons), representing the indemnified parties who are parties to such action) or (ii) the
indemnifying party shall not have employed counsel satisfactory to the indemnified party to represent the indemnified party within a reasonable time after notice of commencement of the action, in each of which cases the fees and expenses of counsel
shall be at the expense of the indemnifying party. 
 (d) Settlements. The indemnifying party under this Section 8
shall not be liable for any settlement of any proceeding effected without its written consent, but if settled with such  

  
 27 

 
consent or if there be a final judgment for the plaintiff, the indemnifying party agrees to indemnify the indemnified party against any loss, claim, damage, liability or expense by reason of
such settlement or judgment. No indemnifying party shall, without the prior written consent of the indemnified party, effect any settlement, compromise or consent to the entry of judgment in any pending or threatened action, suit or proceeding in
respect of which any indemnified party is or could have been a party and indemnity was or could have been sought hereunder by such indemnified party, unless such settlement, compromise or consent (i) includes an unconditional release of such
indemnified party from all liability on claims that are the subject matter of such action, suit or proceeding and (ii) does not include any statements as to or any findings of fault, culpability or failure to act by or on behalf of any
indemnified party. 
 SECTION 9. Contribution. If the indemnification provided for in Section 8 hereof is for any
reason held to be unavailable to or otherwise insufficient to hold harmless an indemnified party in respect of any losses, claims, damages, liabilities or expenses referred to therein, then each indemnifying party shall contribute to the aggregate
amount paid or payable by such indemnified party, as incurred, as a result of any losses, claims, damages, liabilities or expenses referred to therein (i) in such proportion as is appropriate to reflect the relative benefits received by the
Company and the Guarantors, on the one hand, and the Initial Purchasers, on the other hand, from the offering of the Securities pursuant to this Agreement or (ii) if the allocation provided by clause (i) above is not permitted by
applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) above but also the relative fault of the Company and the Guarantors, on the one hand, and the Initial Purchasers, on the
other hand, in connection with the statements or omissions or inaccuracies in the representations and warranties herein which resulted in such losses, claims, damages, liabilities or expenses, as well as any other relevant equitable considerations.
The relative benefits received by the Company and the Guarantors, on the one hand, and the Initial Purchasers, on the other hand, in connection with the offering of the Securities pursuant to this Agreement shall be deemed to be in the same
respective proportions as the total net proceeds from the offering of the Securities pursuant to this Agreement (before deducting expenses) received by the Company, and the total discount received by the Initial Purchasers bear to the aggregate
initial offering price of the Securities. The relative fault of the Company and the Guarantors, on the one hand, and the Initial Purchasers, on the other hand, shall be determined by reference to, among other things, whether any such untrue or
alleged untrue statement of a material fact or omission or alleged omission to state a material fact or any such inaccurate or alleged inaccurate representation or warranty relates to information supplied by the Company and the Guarantors, on the
one hand, or the Initial Purchasers, on the other hand, and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission or inaccuracy. 

The amount paid or payable by a party as a result of the losses, claims, damages, liabilities and expenses referred to above shall be deemed
to include, subject to the limitations set forth in Section 8 hereof, any legal or other fees or expenses reasonably incurred by such party in connection with investigating or defending any action or claim. The provisions set forth in
Section 8 hereof with respect to notice of commencement of any action shall apply if a claim for contribution is to be made under this Section 9; provided, however, that no additional notice shall be required with respect to any action for
which notice has been given under Section 8 hereof for purposes of indemnification. 

  
 28 

 The Company, the Guarantors and the Initial Purchasers agree that it would not be just and
equitable if contribution pursuant to this Section 9 were determined by pro rata allocation (even if the Initial Purchasers were treated as one entity for such purpose) or by any other method of allocation which does not take account of the
equitable considerations referred to in this Section 9. 
 Notwithstanding the provisions of this Section 9, no Initial Purchaser
shall be required to contribute any amount in excess of the discount received by such Initial Purchaser in connection with the Securities distributed by it. No person guilty of fraudulent misrepresentation (within the meaning of Section 11 of
the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The Initial Purchasers’ obligations to contribute pursuant to this Section 9 are several, and not joint, in
proportion to their respective commitments as set forth opposite their names in Schedule A. For purposes of this Section 9, each affiliate, director, officer and employee of an Initial Purchaser and each person, if any, who controls an Initial
Purchaser within the meaning of the Securities Act and the Exchange Act shall have the same rights to contribution as such Initial Purchaser, and each director of the Company or any Guarantor, and each person, if any, who controls the Company or any
Guarantor with the meaning of the Securities Act and the Exchange Act shall have the same rights to contribution as the Company and the Guarantors. 

SECTION 10. Termination of this Agreement. Prior to the Closing Date, this Agreement may be terminated by the Representative by
notice given to the Company if at any time: (i) trading or quotation in any of the Company’s securities shall have been suspended or limited by the Commission or by the New York Stock Exchange (the “NYSE”), or trading in
securities generally on either the Nasdaq Stock Market or the NYSE shall have been suspended or limited, or minimum or maximum prices shall have been generally established on any of such quotation system or stock exchange by the Commission or FINRA;
(ii) a general banking moratorium shall have been declared by any of federal, New York or Texas authorities; (iii) there shall have occurred any outbreak or escalation of national or international hostilities or any crisis or calamity, or
any change in the United States or international financial markets, or any substantial change or development involving a prospective substantial change in United States’ or international political, financial or economic conditions, as in the
judgment of the Representative is material and adverse and makes it impracticable or inadvisable to proceed with the offering sale or delivery of the Securities in the manner and on the terms described in the Pricing Disclosure Package or to enforce
contracts for the sale of securities; (iv) in the judgment of the Representative there shall have occurred any Material Adverse Effect; or (v) the Company shall have sustained a loss by strike, fire, flood, earthquake, accident or other
calamity of such character as in the judgment of the Representative may interfere materially with the conduct of the business and operations of the Company regardless of whether or not such loss shall have been insured. Any termination pursuant to
this Section 10 shall be without liability on the part of (i) the Company or any Guarantor to any Initial Purchaser, except that the Company and the Guarantors shall be obligated to reimburse the expenses of the Initial Purchasers pursuant
to Sections 4 and 6 hereof, (ii) any Initial Purchaser to the Company, or (iii) any party hereto to any other party except that the provisions of Sections 8 and 9 hereof shall at all times be effective and shall survive such
termination. 

  
 29 

 SECTION 11. Representations and Indemnities to Survive Delivery. The respective
indemnities, agreements, representations, warranties and other statements of the Company, the Guarantors, their respective officers and the several Initial Purchasers set forth in or made pursuant to this Agreement will remain in full force and
effect, regardless of any investigation made by or on behalf of any Initial Purchaser, the Company, any Guarantor or any of their partners, officers or directors or any controlling person, as the case may be, and will survive delivery of and payment
for the Securities sold hereunder and any termination of this Agreement. 
 SECTION 12. Notices. All communications
hereunder shall be in writing and shall be mailed, hand delivered, couriered or facsimiled and confirmed to the parties hereto as follows: 

If to the Initial Purchasers: 

Merrill Lynch, Pierce, Fenner & Smith Incorporated 

50 Rockefeller Plaza 
 New York,
New York 10020 
 Attention: High Yield Legal Department 

Fax: (212) 901-7897 
 with a
copy to: 
 Latham & Watkins LLP 

811 Main St., Suite 3700 

Houston, Texas 77002 
 Attention:
Sean T. Wheeler 
 Fax: (713) 546-5401 

If to the Company or the Guarantors: 

Matador Resources Company 
 One
Lincoln Centre 
 5400 LBJ Freeway, Suite 1500 

Dallas, Texas 75240 
 Attention:
Joseph Wm. Foran 
                  Chief Executive
Officer 
 Fax: (972) 371-5201 

with a copy to (which shall not constitute notice): 

Baker Botts L.L.P. 
 2001 Ross
Avenue 
 Dallas, Texas 75201 

Attention: Douglass M. Rayburn 

Fax: (214) 661-4634 
 Any
party hereto may change the address or facsimile number for receipt of communications by giving written notice to the others. 

  
 30 

 SECTION 13. Successors. This Agreement will inure to the benefit of and be binding
upon the parties hereto, and to the benefit of the indemnified parties referred to in Sections 8 and 9 hereof, and in each case their respective successors, and no other person will have any right or obligation hereunder. The term
“successors” shall not include any Subsequent Purchaser or other purchaser of the Securities as such from any of the Initial Purchasers merely by reason of such purchase. 

SECTION 14. Authority of the Representative. Any action by the Initial Purchasers hereunder may be taken by Merrill Lynch on
behalf of the Initial Purchasers, and any such action taken by Merrill Lynch shall be binding upon the Initial Purchasers. 

SECTION 15. Partial Unenforceability. The invalidity or unenforceability of any section, paragraph or provision of this
Agreement shall not affect the validity or enforceability of any other section, paragraph or provision hereof. If any section, paragraph or provision of this Agreement is for any reason determined to be invalid or unenforceable, there shall be
deemed to be made such minor changes (and only such minor changes) as are necessary to make it valid and enforceable. 

SECTION 16. Governing Law Provisions. THIS AGREEMENT AND ANY CLAIM, CONTROVERSY, OR DISPUTE ARISING UNDER OR RELATING TO THIS
AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS OF THE STATE OF NEW YORK APPLICABLE TO AGREEMENTS MADE AND TO BE PERFORMED IN SUCH STATE WITHOUT REGARD TO CONFLICTS OF LAW PRINCIPLES THEREOF. 

SECTION 17. Default of One or More of the Several Initial Purchasers. If any one or more of the several Initial Purchasers shall
fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on the Closing Date, and the aggregate number of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to
purchase does not exceed 10% of the aggregate number of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated, severally, in the proportions that the number of Securities set forth opposite their respective
names on Schedule A bears to the aggregate number of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as may be specified by the Initial Purchasers with the consent of the
non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on the Closing Date. If any one or more of the Initial Purchasers shall fail or
refuse to purchase Securities and the aggregate number of Securities with respect to which such default occurs exceeds 10% of the aggregate number of Securities to be purchased on the Closing Date, and arrangements satisfactory to the Initial
Purchasers and the Company for the purchase of such Securities are not made within 48 hours after such default, this Agreement shall terminate without liability of any party to any other party except that the provisions of Sections 4, 6, 8 and
9 hereof shall at all times be effective and shall survive such termination. In any such case either the Initial Purchasers or the Company shall have the right to postpone the Closing Date, as the case may be, but in no event for longer than seven
days in order that the required changes, if any, to the Final Offering Memorandum or any other documents or arrangements may be effected. 

  
 31 

 As used in this Agreement, the term “Initial Purchaser” shall be deemed
to include any person substituted for a defaulting Initial Purchaser under this Section 17. Any action taken under this Section 17 shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial
Purchaser under this Agreement. 
 SECTION 18. No Advisory or Fiduciary Responsibility. Each of the Company and the
Guarantors acknowledges and agrees that: (i) the purchase and sale of the Securities pursuant to this Agreement, including the determination of the offering price of the Securities and any related discounts and commissions, is an
arm’s-length commercial transaction between the Company and the Guarantors, on the one hand, and the several Initial Purchasers, on the other hand, and the Company and the Guarantors are capable of evaluating and understanding and understand
and accept the terms, risks and conditions of the transactions contemplated by this Agreement; (ii) in connection with each transaction contemplated hereby and the process leading to such transaction each Initial Purchaser is and has been
acting solely as a principal and is not the agent or fiduciary of the Company and the Guarantors or their respective affiliates, stockholders, creditors or employees or any other party; (iii) no Initial Purchaser has assumed or will assume an
advisory or fiduciary responsibility in favor of the Company and the Guarantors with respect to any of the transactions contemplated hereby or the process leading thereto (irrespective of whether such Initial Purchaser has advised or is currently
advising the Company and the Guarantors on other matters) or any other obligation to the Company and the Guarantors except the obligations expressly set forth in this Agreement; (iv) the several Initial Purchasers and their respective
affiliates may be engaged in a broad range of transactions that involve interests that differ from those of the Company and the Guarantors, and the several Initial Purchasers have no obligation to disclose any of such interests by virtue of any
fiduciary or advisory relationship; and (v) the Initial Purchasers have not provided any legal, accounting, regulatory or tax advice with respect to the offering contemplated hereby, and the Company and the Guarantors have consulted their own
legal, accounting, regulatory and tax advisors to the extent they deemed appropriate. 
 This Agreement supersedes all prior
agreements and understandings (whether written or oral) between the Company, the Guarantors and the several Initial Purchasers, or any of them, with respect to the subject matter hereof. The Company and the Guarantors hereby waive and release, to
the fullest extent permitted by law, any claims that the Company and the Guarantors may have against the several Initial Purchasers with respect to any breach or alleged breach of fiduciary duty. 

SECTION 19. Compliance With USA Patriot Act. In accordance with the requirements of the USA Patriot Act (Title III of Pub. L.
107-56 (signed into law October 26, 2001)), the Initial Purchasers are required to obtain, verify and record information that identifies their respective clients, including the Company, which information may include the name and address of
their respective clients, as well as other information that will allow the Initial Purchasers to properly identify their respective clients. 

SECTION 20. General Provisions. This Agreement constitutes the entire agreement of the parties to this Agreement and supersedes
all prior written or oral and all contemporaneous oral agreements, understandings and negotiations with respect to the subject matter hereof. This Agreement may be executed in two or more counterparts, each one of which shall be an original, 

  
 32 

 
with the same effect as if the signatures thereto and hereto were upon the same instrument. Delivery of an executed counterpart of a signature page to this Agreement by telecopier, facsimile
or other electronic transmission (i.e., a “pdf” or “tif”) shall be effective as delivery of a manually executed counterpart thereof. This Agreement may not be amended or modified unless in writing by all of the parties hereto,
and no condition herein (express or implied) may be waived unless waived in writing by each party whom the condition is meant to benefit. The section headings herein are for the convenience of the parties only and shall not affect the construction
or interpretation of this Agreement. 
 [Signature Pages Follow] 

  
 33 

 If the foregoing is in accordance with your understanding of our agreement, kindly sign and
return to the Company the enclosed copies hereof, whereupon this instrument, along with all counterparts hereof, shall become a binding agreement in accordance with its terms. 

 

			
	Very truly yours,
	
	ISSUER:
	
	MATADOR RESOURCES COMPANY
		
	By:		 /s/ Joseph Wm. Foran

			Joseph Wm. Foran
			Chairman and Chief Executive Officer
	
	GUARANTORS:
	
	DELAWARE WATER MANAGEMENT COMPANY, LLC
	DLK WOLF MIDSTREAM, LLC
	DLK BLACK RIVER MIDSTREAM, LLC
	LONGWOOD GATHERING AND DISPOSAL SYSTEMS GP, INC.
	LONGWOOD MIDSTREAM SOUTH TEXAS, LLC
	LONGWOOD MIDSTREAM SOUTHEAST, LLC
	LONGWOOD MIDSTREAM DELAWARE, LLC
	MATADOR PRODUCTION COMPANY
	MRC ENERGY COMPANY
	MRC DELAWARE RESOURCES, LLC
	MRC ENERGY SOUTHEAST COMPANY, LLC
	MRC ENERGY SOUTH TEXAS COMPANY, LLC
	MRC PERMIAN COMPANY
	MRC ROCKIES COMPANY
	SOUTHEAST WATER MANAGEMENT COMPANY, LLC
		
	By:		 /s/ Joseph Wm. Foran

			Joseph Wm. Foran
			Chairman and Chief Executive Officer

  
 Signature Page to
Purchase Agreement 

 
			
	LONGWOOD GATHERING AND DISPOSAL SYSTEMS, LP
		
	By:		Longwood Gathering and Disposal Systems GP, Inc., its general partner
		
	By:		 /s/ Joseph Wm. Foran

			Joseph Wm. Foran
			Chairman and Chief Executive Officer

  
 Signature Page to
Purchase Agreement 

 The foregoing Purchase Agreement is hereby confirmed and accepted by the Initial Purchasers as of
the date first above written. 
  

					
	 MERRILL LYNCH, PIERCE, FENNER & SMITH

 INCORPORATED

	
	 Acting on behalf of itself

and as the Representative of

the several Initial Purchasers

		
	By:		Merrill Lynch, Pierce, Fenner & Smith
			       Incorporated

		
	By:		 /s/ Aashish Dhakad

			Name:		Aashish Dhakad
			Title:		Director

  
 Signature Page to
Purchase Agreement 

 SCHEDULE A 
  

					
	 Initial Purchasers
	  	Aggregate
Principal
Amount of
Securities to be
Purchased	 
	 Merrill Lynch, Pierce, Fenner & Smith

     Incorporated
	  	$	130,000,000	  
	 Wells Fargo Securities, LLC
	  	 	60,000,000	  
	 RBC Capital Markets, LLC
	  	 	50,000,000	  
	 BMO Capital Markets Corp.
	  	 	40,000,000	  
	 Scotia Capital (USA) Inc.
	  	 	40,000,000	  
	 SunTrust Robinson Humphrey, Inc.
	  	 	40,000,000	  
	 Comerica Securities Inc.
	  	 	10,000,000	  
	 IBERIA Capital Partners L.L.C.
	  	 	10,000,000	  
	 Stephens Inc.
	  	 	10,000,000	  
	 Wunderlich Securities, Inc.
	  	 	10,000,000	  
		  	  
	  
	 
	 Total
		$	400,000,000	  
		  	  
	  
	 

 EXHIBIT A-1 

FORM OF OPINION OF COUNSEL TO THE COMPANY 

Based upon the foregoing and subject to the assumptions, exceptions, qualifications and limitations set forth herein, we are of the opinion
that: 
 1. The Company is validly existing and in good standing under the laws of the State of Texas, and each of the Guarantors is validly
existing and in good standing under the laws of the State of Texas. 
 2. Each of the Company and the Guarantors has the requisite
corporate, limited liability company or limited partnership, as applicable, power and authority (i) to own, lease and operate its respective properties and to conduct its respective business as described in the Pricing Disclosure Package and
the Final Offering Memorandum and (ii) to enter into and perform its respective obligations under the Transaction Documents to which it is a party, in each case in all material respects. 

3. This Agreement has been duly authorized, executed and delivered by the Company and each of the Guarantors. 

4. The Indenture has been duly authorized, executed and delivered by the Company and each of the Guarantors and (assuming the due
authorization, execution and delivery thereof by the Trustee) is a valid and legally binding agreement of the Company and each of the Guarantors, enforceable against the Company and each of the Guarantors in accordance with its terms, provided that
the enforceability thereof is subject to (i) applicable bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and similar laws relating to or affecting the rights and remedies of creditors’ generally or by general
principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law) and (ii) public policy, applicable law relating to fiduciary duties and indemnification and contribution and an implied covenant
of good faith and fair dealing (the “Enforceability Exceptions”). 
 5. The Notes have been duly authorized, executed and
delivered by the Company and, assuming due authentication of the Notes by the Trustee and upon payment and delivery in accordance with this Agreement, will constitute valid and legally binding obligations of the Company, enforceable against the
Company in accordance with their terms, except as such enforceability may be limited by the Enforceability Exceptions, and will be entitled to the benefits of the Indenture. 

6. The Guarantees have been duly authorized, executed and delivered by the Guarantors and, assuming due authentication of the Notes by the
Trustee and upon payment and delivery in accordance with this Agreement, will constitute valid and legally binding obligations of the Guarantors, enforceable against the Guarantors in accordance with their terms, except as such enforceability may be
limited by the Enforceability Exceptions and will be entitled to the benefits of the Indenture. 

  
 Exhibit A-1 

  
 1 

 7. The Exchange Notes have been duly authorized by the Company and, when duly executed,
authenticated, issued and delivered as contemplated by the Registration Rights Agreement and the Indenture, will be duly and validly issued and outstanding and will constitute valid and legally binding obligations of the Company, enforceable against
the Company in accordance with their terms, except as such enforceability may be limited by the Enforceability Exceptions, and will be entitled to the benefits of the Indenture. 

8. The Exchange Guarantees have been duly authorized by each of the Guarantors and, when each global certificate representing the Exchange
Notes has been duly executed, authenticated, issued and delivered as provided in the Registration Rights Agreement and the Indenture, the Exchange Guarantees will be valid and legally binding obligations of each of the Guarantors, enforceable
against each of the Guarantors in accordance with their terms, except as such enforceability may be limited by the Enforceability Exceptions. 

9. The Registration Rights Agreement has been duly authorized, executed and delivered by the Company and each of the Guarantors and, assuming
the due authorization, execution and delivery thereof by the other parties thereto, constitutes a valid and legally binding obligation of each of the Company and the Guarantors, enforceable against each of the Company and the Guarantors in
accordance with its terms, except as such enforceability may be limited by the Enforceability Exceptions and except that the indemnity and contribution provisions thereunder may be limited by applicable laws, general principles of equity and public
policy. 
 10. The statements set forth in each of the Pricing Disclosure Package and the Final Offering Memorandum under the captions
“The Offering” and “Description of the Notes,” insofar as they purport to constitute summaries of the terms of the Securities, the Indenture, the Exchange Securities and the Registration Rights Agreement, are accurate in all
material respects. 
 11. The statements under the caption “Material United States Federal Income Considerations” in the Pricing
Disclosure Package and the Final Offering Memorandum, insofar as they purport to constitute a summary of matters of United States federal tax law and regulations or legal conclusions with respect thereto, are accurate in all material respects,
subject to the limitations, qualifications and assumptions set forth therein. 
 12. None of the issuance and sale of the Securities, the
execution, delivery and performance of the Transaction Documents by the Company and the Guarantors to the extent a party thereto, or the consummation of the transactions contemplated thereby (i) constitutes or will constitute a violation of the
provisions of the Certificate of Formation or Bylaws of the Company or the certificate of formation, bylaws, limited liability company agreement or partnership agreement, as applicable, of the Guarantors, (ii) constitutes or will constitute a
breach or violation of, or a default (or an event which, with notice or lapse of time or both, would constitute such a default) under any agreement filed or incorporated by reference as an exhibit to the Company’s Annual Report on Form 10-K for
the fiscal year ended December 31, 2014 (the “Form 10-K”), or (iii) results in a violation by the Company or any of the Guarantors of any law, statute, rule or regulation of the United States of America, the State of Texas or the
State of New York applicable to the Company and the Guarantors (other than securities laws or anti-fraud laws), which breaches, violations or defaults, in the case of clauses (ii) or (iii), would, individually or in the aggregate, have a
Material Adverse Effect. 

  
 Exhibit A-1 

  
 2 

 13. No filing, consent, approval, authorization, order, registration or qualification under the
federal laws of the United States of America, the laws of the State of Texas or the laws of the State of New York is required for the execution, delivery and performance of the Transaction Documents by the Company and the Guarantors to the extent a
party thereto or for the offering, issuance, sale or delivery of the Securities by the Company and the Guarantors pursuant to this Agreement, except for (i) such consents, approvals, authorizations, orders and registrations or qualifications as
may be required under applicable state securities laws or blue sky laws in connection with the purchase and resale of the Securities by the Initial Purchasers, (ii) with respect to the Exchange Securities, such consents, approvals,
authorizations, orders and registrations or qualifications as may be required under the Securities Act, the Trust Indenture Act and applicable state securities or blue sky laws as contemplated by the Registration Rights Agreement, (iv) any
consent, approval, authorization, order, registration or qualification or other action that is or has been obtained or made prior to the Closing Date or (v) such consents, approvals, authorizations, orders and registrations or qualifications as
disclosed in the Pricing Disclosure Package and the Final Offering Memorandum. In rendering the opinion expressed in this paragraph 13, such counsel need not express any opinion as to the matters addressed in paragraph 15 below. 

14. The Company is not and, after giving effect to the offering and sale of the Securities and the application of the proceeds thereof as
described in the Pricing Disclosure Package and the Final Offering Memorandum, will not be, or be required to register as, an “investment company” within the meaning of the Investment Company Act of 1940, as amended. 

15. Assuming (i) the accuracy of the representations and warranties and compliance with the agreements of the Company and Guarantors
contained in this Agreement and (ii) the accuracy of the representations and warranties and compliance with the agreements of the Initial Purchasers contained in this Agreement, no registration of the Securities under the Securities Act, and no
qualification of an indenture under the Trust Indenture Act with respect thereto, is required with respect to the purchase of the Securities by you or the initial resale of the Securities by you to qualified institutional buyers or non-U.S. persons
in the manner contemplated by the Purchase Agreement, the Pricing Disclosure Package and the Offering Memorandum. Such counsel need express no opinion, however, as to when or under what circumstances any Securities initially sold by you may be
offered or resold. 
 In rendering such opinion, such counsel may rely as to matters involving the application of laws of any jurisdiction
other than the laws of the State of Texas or the federal law of the United States of America, to the extent they deem proper and specified in such opinion, upon the opinion (which shall be dated the Closing Date shall be satisfactory in form and
substance to the Initial Purchasers, shall expressly state that the Initial Purchasers may rely on such opinion as if it were addressed to them and shall be furnished to the Initial Purchasers) of other counsel of good standing whom they believe to
be reliable and who are satisfactory to counsel for the Initial 

  
 Exhibit A-1 

  
 3 

 
Purchasers; provided, however, that such counsel shall further state that they believe that they and the Initial Purchasers are justified in relying upon such opinion of other counsel, and as to
matters of fact, to the extent they deem proper, on certificates of responsible officers of the Company and public officials. 

  
 Exhibit A-1 

  
 4 

 EXHIBIT A-2 

FORM OF 10B-5 LETTER OF COUNSEL TO THE COMPANY 

We have reviewed the Pricing Disclosure Package and the Final Offering Memorandum and have participated in conferences with officers and other representatives
of the Company, with representatives of the Company’s independent registered public accounting firm and independent petroleum engineer, and with your representatives and your counsel, at which the contents of the Pricing Disclosure Package, the
Final Offering Memorandum and related matters were discussed. The purpose of our professional engagement was not to establish or confirm factual matters set forth in the Pricing Disclosure Package or the Final Offering Memorandum, and we have not
undertaken to verify independently any of the factual matters in such documents. Moreover, many of the determinations required to be made in the preparation of the Pricing Disclosure Package and the Final Offering Memorandum involve matters of a
non-legal nature. Accordingly, we are not passing upon, and do not assume any responsibility for, the accuracy, completeness or fairness of the statements included in the Pricing Disclosure Package and the Final Offering Memorandum (except to the
extent stated in paragraphs 10 and 11 above). Subject to the foregoing and on the basis of the information we gained in the course of performing the services referred to above, we advise you that: 

(a) the documents incorporated by reference in the Pricing Disclosure Package and the Final Offering Memorandum, when they were filed with the
Commission, appear on their face to be appropriately responsive in all material respects to the requirements of the Exchange Act; and 
 (b)
nothing came to our attention that caused us to believe that: 
 (A) the Pricing Disclosure Package, as of the Time of Sale,
included an untrue statement of a material fact or omitted to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; or 

(B) the Final Offering Memorandum, as of its date or as of the date hereof, included or includes an untrue statement of a
material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; 

it being understood that in each case we have not been asked to, and do not, express any belief with respect to (i) the financial statements and
schedules or other financial or accounting information contained or included or incorporated by reference therein or omitted therefrom, (ii) the summary reserve report of the independent petroleum engineer and reserve information contained or
included or incorporated by reference therein or omitted therefrom, or (iii) representations and warranties and other statements of fact contained in the exhibits to the documents incorporated by reference therein. 

  
 Exhibit A-2 

 EXHIBIT B 

Subsidiaries 
  

	•	 	Delaware Water Management Company, LLC 

  

	•	 	DLK Black River Midstream, LLC 

  

	•	 	DLK Wolf Midstream, LLC 

  

	•	 	Longwood Gathering and Disposal Systems GP, Inc. 

  

	•	 	Longwood Gathering and Disposal Systems, LP 

  

	•	 	Longwood Midstream South Texas, LLC 

  

	•	 	Longwood Midstream Southeast, LLC 

  

	•	 	Longwood Midstream Delaware, LLC 

  

	•	 	Matador Production Company 

  

	•	 	MRC Delaware Resources, LLC 

  

	•	 	MRC Energy Company 

  

	•	 	MRC Energy Southeast Company, LLC 

  

	•	 	MRC Energy South Texas Company, LLC 

  

	•	 	MRC Permian Company 

  

	•	 	MRC Rockies Company 

  

	•	 	Southeast Water Management Company, LLC 

  

	•	 	Fulcrum Delaware Water Resources, LLC 

  
 Exhibit B 

 ANNEX I 

Resale Pursuant to Regulation S or Rule 144A. Each Initial Purchaser understands that: 

Such Initial Purchaser agrees that it has not offered or sold and will not offer or sell the Securities in the United States or to, or for the
benefit or account of, a U.S. person (other than a distributor), in each case, as defined in Rule 902 of Regulation S (i) as part of its distribution at any time and (ii) otherwise until 40 days after the later of the
commencement of the offering of the Securities pursuant hereto and the Closing Date, other than in accordance with Regulation S or another exemption from the registration requirements of the Securities Act. Such Initial Purchaser agrees that,
during such 40-day restricted period, it will not cause any advertisement with respect to the Securities (including any “tombstone” advertisement) to be published in any newspaper or periodical or posted in any public place and will not
issue any circular relating to the Securities, except such advertisements as are permitted by and include the statements required by Regulation S. 

Such Initial Purchaser agrees that, at or prior to confirmation of a sale of Securities by it to any distributor, dealer or person receiving a
selling concession, fee or other remuneration during the 40-day restricted period referred to in Rule 903 of Regulation S, it will send to such distributor, dealer or person receiving a selling concession, fee or other remuneration a
confirmation or notice to substantially the following effect: 
 “The Securities covered hereby have not been registered under the U.S.
Securities Act of 1933, as amended (the “Securities Act”), and may not be offered and sold within the United States or to, or for the account or benefit of, U.S. persons (i) as part of your distribution at any time or
(ii) otherwise until 40 days after the later of the date the Securities were first offered to persons other than distributors in reliance upon Regulation S and the Closing Date, except in either case in accordance with Regulation S under
the Securities Act (or in accordance with Rule 144A under the Securities Act or to accredited investors in transactions that are exempt from the registration requirements of the Securities Act), and in connection with any subsequent sale by you
of the Securities covered hereby in reliance on Regulation S under the Securities Act during the period referred to above to any distributor, dealer or person receiving a selling concession, fee or other remuneration, you must deliver a notice
to substantially the foregoing effect. Terms used above have the meanings assigned to them in Regulation S under the Securities Act.” 

  
 Annex I-1EX-10.2

 Exhibit 10.2 

Execution Version 

SIXTH AMENDMENT TO THIRD 

AMENDED AND RESTATED CREDIT AGREEMENT 

This SIXTH AMENDMENT TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”) is entered into as of April 14,
2015, by and among MRC ENERGY COMPANY, a Texas corporation (the “Borrower”), the LENDERS party hereto and ROYAL BANK OF CANADA, as Administrative Agent for the Lenders (in such capacity, the “Administrative Agent”).
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, the Borrower, the Administrative Agent and the Lenders have entered into that certain Third Amended and Restated Credit
Agreement, dated as of September 28, 2012 (as the same has been and may hereafter be amended, restated, supplemented or otherwise modified from time to time, the “Credit Agreement”); and 

WHEREAS, the Borrower has requested that the Administrative Agent and the Lenders amend the Credit Agreement in certain respects and
the Administrative Agent and the 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, the Borrower, the 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 4 of this Amendment, 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 Amended Definitions. The following definitions in Section 1.1 of the Credit
Agreement shall be and they hereby are amended and restated in their entirety to read as follows: 

“Borrowing Base Equalization Date” means the Sixth Amendment Effective Date. 

“Change of Control” means an event or series of events whereby any of the following occurs: 

(a) the Parent controls, directly or indirectly, less than 100% on a fully diluted basis of the aggregate issued and
outstanding voting stock (or comparable voting interests) of Borrower; 
 (b) an event or series of events by
which any “person” or “group” (as such terms are used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, but excluding any employee benefit plan 

  

					
			PAGE 1		

 
of such person or its subsidiaries, and any person or entity acting in its capacity as trustee, agent or other fiduciary or administrator of any such plan) becomes the “beneficial
owner” (as defined in Rules 13d 3 and 13d 5 under the Securities Exchange Act of 1934, except that a person or group shall be deemed to have “beneficial ownership” of all securities that such person or group has the right to acquire,
whether such right is exercisable immediately or only after the passage of time (such right, an “option right”)), directly or indirectly, of a majority or more of each class of the equity securities of the Parent entitled to vote for
members of the board of directors or equivalent governing body of the Parent on a fully-diluted basis (and taking into account all such securities that such person or group has the right to acquire pursuant to any option right); provided,
however, such “group” shall not consist of any existing “group” of shareholders (or the members thereof) that may be deemed to beneficially own more than a majority of any class of voting equity securities of the Parent
pursuant to existing voting agreements or otherwise; or 
 (c) the occurrence of a “Change of Control” (or
any other defined term having a similar purpose) as defined in any Indenture. 
 “Material Debt”
means Debt under the Senior Notes (and any Permitted Refinancing thereof) and any other Debt (other than Advances and Letters of Credit), or obligations in respect of Commodity Hedging Agreements or Interest Rate Agreements, of Parent or any one or
more of the Credit Parties in an aggregate principal amount exceeding the Threshold Amount. For purposes of determining Material Debt, the “principal amount” of the obligations of Parent or any Credit Party in respect of any Commodity
Hedging Agreement or Interest Rate Agreement at any time shall be the Hedge Termination Value. 
 “Net
Cash Proceeds” means the aggregate cash payments received by Parent or any Credit Party from any Disposition of property, the issuance of Equity Interests or the issuance of Debt (including the Senior Notes and any Permitted Refinancing
thereof), as the case may be, net of all costs and expenses incurred in connection with any such sale or issuance, as the case may be, including, without limitation, legal, accounting and investment banking fees, underwriting discounts, sales
commissions, and other third party charges, and net of property taxes, transfer taxes and all other taxes paid or payable by Parent or such Credit Party in respect of any such sale or issuance, and, in the case of a Disposition of property, net of
all amounts required to be applied to the repayment of Debt secured by a Lien expressly permitted hereunder on any asset that is the subject of such Disposition (other than any Lien pursuant to a Collateral Document). 

“Threshold Amount” means an amount equal to the greater of (a) $15,000,000 and (b) 5% of
(i) the Conforming Borrowing Base at any time prior to the Borrowing Base Equalization Date and (ii) the Borrowing Base at any time on or after the Borrowing Base Equalization Date. 

  

					
			PAGE 2		

 “Unrestricted Subsidiary” means any Subsidiary that at the
time of the determination shall be designated an Unrestricted Subsidiary of Borrower in a manner provided below. Borrower may designate any Subsidiary (including any newly acquired or newly formed Subsidiary) to be an Unrestricted Subsidiary
unless such Subsidiary or any of its Subsidiaries at the time of such designation or at any time thereafter (a) is a Material Domestic Subsidiary, (b) owns or operates Borrowing Base Properties or (c) is a guarantor or the primary
obligor with respect to any indebtedness, liabilities or other obligations under any Senior Notes (or any Permitted Refinancing thereof). 

1.2 Additional Definitions. The following definitions shall be and they hereby are added to Section 1.1 of the Credit
Agreement in alphabetical order: 
 “Sixth Amendment Effective Date” means April 14, 2015.

 “Indenture” means any indenture by and among Parent or any Credit Party, as issuer and/or a
guarantor, and a trustee, pursuant to which any Senior Notes are issued, as the same may be amended, restated, supplemented or otherwise modified from time to time to the extent not prohibited by this Agreement. 

“Permitted Refinancing” means any (1) Debt of Parent or any Credit Party, and Debt constituting
guarantees thereof by any Credit Party, incurred or issued in exchange for, or the Net Cash Proceeds of which are used to extend, refinance, renew, replace, repurchase, defease or refund, existing Senior Notes, in whole or in part, from time to
time; provided that (a) the principal amount of such Permitted Refinancing (or if such Permitted Refinancing is issued at a discount, the initial issuance price of such Permitted Refinancing) does not exceed the principal amount of Debt
permitted under Section 8.1(q), (b) such Permitted Refinancing does not provide for any scheduled repayment, mandatory redemption or payment of a sinking fund obligation prior to the date that is six (6) months after the
Revolving Credit Maturity Date (except for any offer to redeem such Debt required as a result of asset sales or the occurrence of a “Change of Control” (or any other defined term having a similar purpose) under and as defined in the
Indenture), (c) the covenant, default and remedy provisions of such Permitted Refinancing are not materially more onerous, taken as a whole, to the Borrower and its Subsidiaries than those imposed by such existing Senior Notes (as determined in
good faith by the board of directors of the Parent or a committee thereof), (d) the mandatory prepayment, repurchase and redemption provisions of such Permitted Refinancing are not materially more onerous, taken as a whole, to the Borrower and
its Subsidiaries than those imposed by such existing Senior Notes (as determined in good faith by the board of directors of the Parent or a committee thereof), (e) such Permitted Refinancing is unsecured, (f) no Subsidiary of any Credit
Party is required to guarantee such Permitted Refinancing unless such Subsidiary is (or concurrently with any such guarantee becomes) a Guarantor hereunder, and (g) to the extent such Permitted Refinancing is or is intended to be expressly
subordinate to the payment in full of 

  

					
			PAGE 3		

 
all or any portion of the Indebtedness, the subordination provisions contained therein are either (x) on substantially the same terms or at least as favorable to the Lenders as the
subordination provisions contained in such existing Senior Notes or (y) reasonably satisfactory to the Administrative Agent and (2) any Senior Notes registered with the Securities and Exchange Commission and issued in exchange for the
initial Senior Notes issued by the Parent and any guarantees thereof by any Credit Party. 
 “Senior
Notes” means any senior or senior subordinated notes issued by Parent or any Credit Party pursuant to and in accordance with the terms of the applicable Indenture; provided that (a) the terms of such Senior Notes do not provide
for any scheduled repayment, mandatory redemption (including any required offer to redeem) or payment of a sinking fund obligation prior to the date that is six (6) months after the Revolving Credit Maturity Date (except for any offer to redeem
such Senior Notes required as a result of asset sales or the occurrence of a “Change of Control” (or any other defined term having a similar purpose) under and as defined in the applicable Indenture), (b) such Senior Notes are
unsecured and (c) no Subsidiary of any Credit Party is required to guarantee the Debt evidenced by such Senior Notes unless such Subsidiary is (or concurrently with any such guarantee becomes) a Guarantor hereunder. 

“Senior Note Documents” means the Senior Notes, the Indenture and any documents or instruments executed in
connection with any of them, in each case, as amended, restated, supplemented or otherwise modified from time to time to the extent not prohibited by this Agreement. 

1.3 Prepayments. Section 2.10(c) of the Credit Agreement shall be and it hereby is amended and restated in its entirety to
read as follows: 
 (c) Subject to clauses (e) and (f) below, no later than the second Business
Day following receipt by (w) any Credit Party of Net Cash Proceeds from the issuance of any Equity Interests by any Credit Party in an amount in excess of $5,000,000 (other than Equity Interests issued (A) under any stock option or
employee incentive plans or (B) to a Credit Party), (x) any Credit Party of Net Cash Proceeds of any Debt issuance in excess of $5,000,000 under Section 8.1(s), (y) any Credit Party of Net Cash Proceeds of any Senior Notes
issuance (other than a Permitted Refinancing that extends, refinances, renews, replaces, repurchases, defeases or refunds outstanding Senior Notes) or (z) any Credit Party of Net Cash Proceeds from the Disposition of Borrowing Base Properties
pursuant to Section 8.4(k), Borrower shall prepay the Revolving Credit by an amount equal to 100% of such Net Cash Proceeds, but with respect to clauses (w), (x) and (z), only to the extent that the Aggregate Credit Exposure
exceeds, (1) at any time prior to the Borrowing Base Equalization Date, the Conforming Borrowing Base and (2) at any time from and after the Borrowing Base Equalization Date, the Revolving Credit Aggregate Commitment; provided that,
for purposes of clause (z) and so long as such Disposition of Borrowing Base Properties did not result in an automatic reduction of the Borrowing Base 

  

					
			PAGE 4		

 
and Conforming Borrowing Base, as applicable, pursuant to Section 8.4(k), Borrower shall not be required to prepay the Revolving Credit in accordance with clause (z) until the
fair market value of all Borrowing Base Properties Disposed of (whether pursuant to a Disposition of Equity Interests of any Restricted Subsidiary owning Borrowing Base Properties or otherwise) since the most recent scheduled redetermination of the
Borrowing Base is greater than or equal to $5,000,000 in the aggregate. 
 1.4 Borrowing Base. Section 4.1 of the
Credit Agreement shall be and it hereby is amended and restated in its entirety to read as follows: 
 4.1 Borrowing
Base. The term “Conforming Borrowing Base” means, as of the date of determination thereof prior to the Borrowing Base Equalization Date, the designated loan value as calculated by Lenders in their sole discretion assigned to the
discounted present value of future net income accruing to the Borrowing Base Properties, based upon Lenders’ in-house evaluation of Borrowing Base Properties. Before the Borrowing Base Equalization Date the term “Borrowing
Base” has the meaning set forth below, and will be determined in relation to the Conforming Borrowing Base. On and after the Borrowing Base Equalization Date, the term “Borrowing Base” means, as of the date of determination
thereof, the designated loan value as calculated by Lenders in their sole discretion assigned to the discounted present value of future net income accruing to the Borrowing Base Properties, based upon Lenders’ in-house evaluation of Borrowing
Base Properties. The Lenders’ determination of the Conforming Borrowing Base and Borrowing Base will be made in accordance with then-current practices, economic and pricing parameters, methodology, assumptions, and customary procedures and
standards established by each Lender from time to time for its petroleum industry customers including without limitation (a) an analysis of such reserves and production data with respect to the Hydrocarbon Interests of the Credit Parties in all
of their Oil and Gas Properties, including the Mortgaged Properties, as is provided to Lenders in accordance herewith, (b) an analysis of the assets, liabilities, cash flow, business, properties, prospects, management and ownership of each
Credit Party, and (c) such other credit factors as each Lender customarily considers in evaluating similar oil and gas credits. Borrower acknowledges that the determination of the Borrowing Base contains an equity cushion (collateral value in
excess of loan amount) which Borrower acknowledges to be essential for the adequate protection of Lenders. As of the Sixth Amendment Effective Date, the Borrowing Base and the Conforming Borrowing Base shall be $375,000,000. Prior to the
Borrowing Base Equalization Date, any increase in the Conforming Borrowing Base as a result of the most recent redetermination thereof shall result in an equal increase in the Borrowing Base. On and after the Borrowing Base Equalization Date, the
Borrowing Base shall equal the Conforming Borrowing Base then in effect and all references to Conforming Borrowing Base and Borrowing Base shall mean the Borrowing Base then in effect. 

  

					
			PAGE 5		

 1.5 Non-contravention. Section 6.8(b) of the Credit Agreement shall be and it
hereby is amended and restated in its entirety to read as follows: 
 (b) The execution, delivery and performance
of this Agreement and the other Loan Documents (including each Request for Revolving Credit Advance) to which the Parent and each Credit Party is a party are not in contravention of the terms of any material Contractual Obligation, indenture,
agreement or other instrument evidencing Material Debt or any other undertaking to which the Parent or such Credit Party is a party or by which it or its properties are bound where, in the case of any of the foregoing, such violation could
reasonably be expected to have a Material Adverse Effect. 
 1.6 Section 7.2(c). Section 7.2(c) shall be and it
hereby is amended and restated in its entirety to read as follows: 
 (c) Promptly after the furnishing or receipt
thereof, copies of any material statement, report or notice furnished to or received from any Person pursuant to the terms of any indenture, loan or credit or other similar agreement evidencing Material Debt, other than this Agreement and not
otherwise required to be furnished to the Lenders pursuant to any other provision of this section (including a copy of any notice of default received from any holder or holders of any Senior Notes or any trustee or agent on its or their behalf, to
the extent such notice has not otherwise been delivered to the Administrative Agent hereunder); 
 1.7 Section 7.2(f).
Section 7.2 of the Credit Agreement shall be and it hereby is further amended by re-lettering clause (f) as a new clause (g) and inserting the following in its entirety as clause (f): 

(f) Issuance of Senior Notes. In the event the Parent or any Credit Party intends to issue Senior Notes (other than
the initial Senior Notes issued or to be issued by the Parent or any Senior Notes in exchange therefor) or refinance any existing Senior Notes with the proceeds of any Permitted Refinancing, prior written notice of the intended offering of such
Senior Notes or such Permitted Refinancing, the estimated amount thereof, and the anticipated date of closing, and upon the written request of the Administrative Agent, copies of the preliminary offering memorandum (if any) and the final offering
memorandum (if any) relating to such Senior Notes or Permitted Refinancing, as the case may be. 
 1.8 Limitation on Debt.
Section 8.1 of the Credit Agreement shall be and it hereby is amended by amending and restating clause (c) to read as set forth below and re-lettering clauses (q) and (r) as clauses (r) and (s), respectively, and
inserting the following in its entirety as clause (q): 
 (c) Debt of any Credit Party to finance the acquisition,
construction or improvement of any fixed or capital assets, including Capitalized Leases, provided that the aggregate principal amount of Debt permitted by this Section 8.1(c) at any time outstanding shall not exceed the greater of
(i) $15,000,000 and (ii) 5% of the Borrowing Base, and any renewals, extensions or refinancings of such Debt; 

  

					
			PAGE 6		

 (q) unsecured Debt under the Senior Notes (and any Permitted Refinancing
thereof), including any Debt constituting guarantees thereof by any Credit Party; in an aggregate principal amount not to exceed $400,000,000.00 at any time outstanding; provided that (i) at the time of and immediately after giving
effect to each issuance of Senior Notes (and any Permitted Refinancing thereof), no Default shall have occurred and be continuing and (ii) in connection with the issuance of Senior Notes, the Borrower shall prepay the Loans and/or deposit cash
collateral to the extent required pursuant to Section 2.10(c); 
 1.9 Limitations on Other Restrictions.
Section 8.8 of the Credit Agreement shall be and it hereby is amended and restated in its entirety to read as follows: 

8.8 Limitations on Other Restrictions. Enter into any agreement, document or instrument which would (a) restrict
the ability of any Restricted Subsidiary of Borrower to pay or make dividends or distributions in cash or kind to Borrower or any other Restricted Subsidiary, to make loans, advances or other payments of whatever nature to any Credit Party, or to
make transfers or distributions of all or any part of its assets to any Credit Party; or (b) restrict or prevent any Credit Party from granting Administrative Agent on behalf of Lenders Liens upon, security interests in and pledges of their
respective assets, provided, however, that the preceding restrictions will not apply to encumbrances or restrictions arising under or by reason of (i) this Agreement or the other Loan Documents or the Senior Note Documents (or any
documents evidencing or relating to any Permitted Refinancing thereof), (ii) any agreements governing any Debt permitted by Section 8.1(c) and any other purchase money Debt or Capitalized Leases otherwise permitted hereby (in which
case, any prohibition or limitation shall only be effective against the assets financed by or the subject of such Debt and the proceeds and products thereof and all accessions and attachments thereto), (iii) customary restrictions that arise in
connection with any Disposition permitted by Section 8.4 and applicable solely to the assets subject to such Disposition, (iv) customary provisions in joint venture agreements and similar agreements that restrict transfer of assets
of, or Equity Interests in, joint ventures, (v) prohibitions and limitations that are binding on a Restricted Subsidiary at the time such Restricted Subsidiary first becomes a Restricted Subsidiary, so long as such prohibitions and limitations
were not created in contemplation of such Person becoming a Restricted Subsidiary and apply only to such Restricted Subsidiary, (vi) restrictions with respect to Oil and Gas Properties that are not Borrowing Base Properties and are not included
in the most recent Reserve Report delivered pursuant to Section 4.3, (vii) customary provisions contained in agreements that restrict assignment of such agreement entered into in the ordinary course of business,
(viii) customary provisions in leases, subleases, licenses, sublicenses and similar contracts that restrict the transfer thereof or the transfer of the assets subject thereto by the lessee, sublessee, licensee or sublicensee, and
(ix) prohibitions and limitations arising by operation of law. 

  

					
			PAGE 7		

 1.10 Senior Notes Restrictions. The following shall be and it hereby is added in numerical
order as Section 8.13 of the Credit Agreement: 
 8.13 Senior Notes Restrictions. 

(a) Except for regularly scheduled payments of interest required under the Senior Notes, directly or indirectly, optionally
or voluntarily retire, redeem, defease, repurchase or prepay prior to the scheduled due date thereof any part of the principal of, or interest on, the Senior Notes (or any Permitted Refinancing thereof); provided that so long as no Default or
Borrowing Base Deficiency has occurred and is continuing or would be caused thereby, the Credit Parties may retire, redeem, defease, repurchase or prepay the Senior Notes, in whole or in part, with the proceeds of any Permitted Refinancing permitted
pursuant to Section 8.1(q) and/or with the Net Cash Proceeds of any issuance of Equity Interests by the Parent or any of its Subsidiaries. 

(b) Enter into or permit any modification or amendment of the Senior Note Documents the effect of which is to
(a) increase the maximum principal amount of the Senior Notes or the rate of interest on any of the Senior Notes (other than as a result of the imposition of a default rate of interest in accordance with the terms of the Senior Note Documents),
(b) change or add any event of default or any covenant with respect to the Senior Note Documents if the effect of such change or addition is to cause any one or more of the Senior Note Documents to be materially more restrictive on any Credit
Party or any of its Restricted Subsidiaries than such Senior Note Documents were prior to such change or addition, (c) shorten the dates upon which payments of principal or interest on the Senior Notes are due, (d) change any redemption or
prepayment provisions of the Senior Notes, (e) alter the subordination provisions, if any, with respect to any of the Senior Note Documents, (f) grant any Liens in any assets of any Credit Party or any of its Subsidiaries, or
(g) permit any Subsidiary of any Credit Party to guarantee the Senior Notes unless such Subsidiary is (or concurrently with any such guarantee becomes) a Guarantor hereunder. 

1.11 Participations. The phrase “as an agent of Borrower” in the last paragraph of
Section 13.7(d) of the Credit Agreement shall be and hereby is amended to read “as a non-fiduciary agent of Borrower”. 

1.12 Schedule 1.1. Schedule 1.1 to the Credit Agreement shall be and it hereby is amended and restated in its entirety and
replaced with Schedule 1.1 attached hereto 
 1.13 Schedule 1.2. Schedule 1.2 to the Credit Agreement shall be
and it hereby is amended and restated in its entirety and replaced with Schedule 1.2 attached hereto. 
 SECTION 2. Redetermined Borrowing
Base. This Amendment shall constitute notice of (a) the occurrence of the Borrowing Base Equalization Date and the resulting redetermination of the 

  

					
			PAGE 8		

 
Borrowing Base pursuant to Section 4.1 of the Credit Agreement and (b) a redetermination of the Borrowing Base pursuant to Section 4.2 of the Credit Agreement, and
the Administrative Agent, the Lenders and the Borrower hereby acknowledge that effective as of the Sixth Amendment Effective Date, the Borrowing Base and the Conforming Borrowing Base shall be $375,000,000. From and after the Sixth Amendment
Effective Date the Conforming Borrowing Base and Borrowing Base shall be the same. Such redetermined Borrowing Base shall remain in effect until the date the Borrowing Base is otherwise adjusted pursuant to the terms of the Credit Agreement. The
Administrative Agent, the Lenders and the Borrower hereby agree that the redetermination of the Borrowing Base contained in this Section 2 shall constitute the Determination Date to occur on or about May 1, 2015. 

SECTION 3. Reallocation of Revolving Credit Commitment Amounts. The Lenders have agreed among themselves to reallocate their respective Revolving
Credit Commitment Amounts. Each of the Administrative Agent and the Borrower hereby consent to the reallocation of the Revolving Credit Commitment Amounts. On the date this Amendment becomes effective and after giving effect to such reallocation and
assignment and decrease of the Revolving Credit Aggregate Commitment, the Revolving Credit Commitment Amount of each Lender shall be as set forth on Schedule 1.2 of this Amendment. Each Lender hereby consents to the Revolving Credit
Commitment Amount set forth on Schedule 1.2 of this Amendment. The reallocation of the Revolving Credit Commitment Amounts among the Lenders, shall be deemed to have been consummated pursuant to the terms of the Assignment and Assumption
attached as Exhibit D to the Credit Agreement as if the Lenders, had executed an Assignment and Assumption with respect to such reallocation. The Administrative Agent hereby waives the $3,500 processing and recordation fee set forth in
Section 13.7(b)(iv) of the Credit Agreement with respect to the assignments and reallocations contemplated by this Section 3. To the extent requested by any Lender, and in accordance with Section 11.1 of the
Credit Agreement, the Borrower shall pay to such Lender, within the time period prescribed by Section 11.1 of the Credit Agreement, any amounts required to be paid by the Borrower under Section 11.1 of the Credit Agreement in
the event the payment of any principal of any Eurodollar-based Advance or the conversion of any Eurodollar-based Advance other than on the last day of an Interest Period applicable thereto is required in connection with the reallocation contemplated
by this Section 3. 
 SECTION 4. Conditions. The amendments to the Credit Agreement contained in Section 1 of this
Amendment and the redetermination of the Borrowing Base contained in Section 2 of this Amendment and the reallocation of the Revolving Credit Commitment Amounts contained in Section 3 shall be effective concurrently with the
closing of the contemplated Senior Notes (as defined in Section 1.2 above) offering and upon the satisfaction of each of the conditions set forth in this Section 4. 

4.1 Execution and Delivery. The Administrative Agent shall have received a duly executed counterpart of (a) this Amendment signed
by the Borrower and the Lenders, (b) the Consent and Reaffirmation attached hereto signed by each Guarantor, (c) that certain Guaranty Supplement No. 2 to the Second Amended, Restated and Consolidated Unconditional Guaranty, and
(d) that certain Pledge and Security Agreement Joinder and Supplement No. 2, in each case, in form and substance reasonably satisfactory to the Administrative Agent. 

  

					
			PAGE 9		

 4.2 No Default. After giving effect to this Amendment, no Default or Event of Default
shall have occurred and be continuing. 
 4.3 Other Documents. The Administrative Agent shall have received such other
instruments and documents incidental and appropriate to the transactions provided for herein as the Administrative Agent or its special counsel may reasonably request, and all such documents shall be in form and substance reasonably satisfactory to
the Administrative Agent (it being understood that “documents” as used in this Section 4 does not include the Senior Note Documents; however, such Senior Note Documents are subject to the conditions and restrictions as set
forth in the Credit Agreement after giving effect to this Amendment). 
 SECTION 5. Certain Post-Closing Covenants. 

5.1 Initial Senior Notes. Promptly after the issuance of the initial Senior Notes of the Parent, but in any event no later than the
Sixth Amendment Effective Date with respect to such Senior Notes, the Administrative Agent shall have received (i) copies of the material Senior Note Documents, certified by a Responsible Officer of the Borrower to be correct and complete
copies of such Senior Note Documents and (ii) evidence reasonably satisfactory to it that Parent has issued Senior Notes on the Sixth Amendment Effective Date in an aggregate principal amount of at least $300,000,000. 

5.2 Mortgages. Within thirty (30) days after the Sixth Amendment Effective Date, the Credit Parties shall have executed and
delivered to the Administrative Agent Mortgages and title information, in each case, reasonably satisfactory to the Administrative Agent with respect to the Oil and Gas Properties of the Credit Parties, or the portion thereof, as required by
Sections 7.16 and 7.17 of the Credit Agreement. 
 SECTION 6. Representations and Warranties. To induce the Lenders to enter
into this Amendment, the Borrower hereby represents and warrants to the Lenders as follows: 
 6.1 Reaffirmation of
Representations and Warranties. After giving effect to the amendments herein, each representation and warranty of the Borrower, the Parent and each other Credit Party contained in the Credit Agreement and in each of the other Loan Documents to
which it is a party is true and correct in all material respects as of the date hereof (without duplication of any materiality qualifier contained therein), except to the extent any such representations and warranties are expressly limited to an
earlier date, in which case, such representations and warranties shall continue to be true and correct in all material respects (without duplication of any materiality qualifier contained therein) as of such specified earlier date. 

6.2 Corporate Authority; No Conflicts. The execution, delivery and performance by the Borrower of this Amendment and all documents,
instruments and agreements contemplated herein are within the Borrower’s corporate powers, have been duly authorized by necessary corporate action by the Borrower, require no action by or in respect of, or filing with, any court or agency of
government (except for the recording and filing of Collateral Documents and financing statements) and (a) do not violate in any material respect any Requirement of Law, (b) are not in contravention of the terms of any material Contractual
Obligation, indenture, 

  

					
			PAGE 10		

 
agreement or undertaking to which the Borrower is a party or by which it or its properties are bound where such violation could reasonably be expected to have a Material Adverse Effect, and
(c) do not result in the creation or imposition of any Lien upon any of the assets of the Borrower except for Liens permitted by Section 8.2 of the Credit Agreement and otherwise as permitted in the Credit Agreement. 

6.3 Enforceability. This Amendment constitutes the valid and binding obligation of the Borrower 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. 
 6.4 No Default. After giving effect to this Amendment, no Default or Event of Default has occurred and
is continuing. 
 SECTION 7. Miscellaneous. 

7.1 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 and are hereby in all respects ratified and confirmed by the Borrower. The Borrower hereby agrees that the amendments and modifications herein contained shall in no manner
affect or impair the liabilities, duties and obligations of the Borrower, the Parent or any other Credit Party under the Credit Agreement and the other Loan Documents or the Liens securing the payment and performance thereof, except as amended and
modified hereby. 
 7.2 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. 
 7.3 Further Assurances. The Borrower covenants
and agrees from time to time, as and when reasonably requested by the Administrative Agent or the Lenders, to execute and deliver or cause to be executed or delivered, all such documents, instruments and agreements and to take or cause to be taken
such further or other action as the Administrative Agent or the Lenders may reasonably deem necessary or desirable in order to carry out the intent and purposes of this Amendment. 

7.4 Legal Expenses. The Borrower hereby agrees to pay all reasonable and documented out-of-pocket 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. 

7.5 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. 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. 

  

					
			PAGE 11		

 7.6 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. 

7.7 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. 
 7.8 Governing
Law. This Amendment shall be construed in accordance with and governed by the laws of the State of Texas. 
 7.9 Severability.
Any provision of this Amendment held to be invalid, illegal or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such invalidity, illegality or unenforceability without affecting the validity, legality
and enforceability of the remaining provisions hereof; and the invalidity of a particular provision in a particular jurisdiction shall not invalidate such provision in any other jurisdiction. 

7.10 Reference to and Effect on the Loan Documents. 

(a) This Amendment shall be deemed to constitute a Loan Document for all purposes and in all respects. Each reference in the Credit Agreement
to “this Agreement,” “hereunder,” “hereof,” “herein” or words of like import, and each reference in the Credit Agreement or in any other Loan Document, or other agreements, documents or other instruments
executed and delivered pursuant to the Credit Agreement to the “Credit Agreement”, shall mean and be a reference to the Credit Agreement as amended by this Amendment. 

(b) The execution, delivery and effectiveness of this Amendment shall not operate as a waiver of any right, power or remedy of any Lender or
the Administrative Agent under any of the Loan Documents, nor constitute a waiver of any provision of any of the Loan Documents. 

[Signature pages follow.] 

  

					
			PAGE 12		

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

			
	BORROWER:
	
	 MRC ENERGY COMPANY,
 as
Borrower

		
	By:		 /s/ David E. Lancaster

	Name:		David E. Lancaster
	Title:		Executive Vice President

  

					
			SIGNATURE PAGE		

 
			
	ROYAL BANK OF CANADA,
	as Administrative Agent
		
	By:		 /s/ Rodica Dutka

	Name:		Rodica Dutka
	Title:		Manager, Agency
	
	ROYAL BANK OF CANADA,
	as a Lender and as an Issuing Lender
		
	By:		 /s/ Caleb Allen

	Name:		Caleb Allen
	Title:		Authorized Signatory

  

					
			SIGNATURE PAGE		

 
			
	BANK OF AMERICA, N.A.,
	as a Lender
		
	By:		 /s/ Raza Jafferi

	Name:		Raza Jafferi
	Title:		Vice President

  

					
			SIGNATURE PAGE		

 
			
	COMERICA BANK,
	as a Lender and as an Issuing Lender
		
	By:		 /s/ Brandon M. White

	Name:		Brandon M. White
	Title:		Vice President

  

					
			SIGNATURE PAGE		

 
			
	SUNTRUST BANK,
	as a Lender
		
	By:		 /s/ Yann Pirio

	Name:		Yann Pirio
	Title:		Managing Director

  

					
			SIGNATURE PAGE		

 
			
	THE BANK OF NOVA SCOTIA,
	as a Lender
		
	By:		 /s/ Terry Donovan

	Name:		Terry Donovan
	Title:		Managing Director

  

					
			SIGNATURE PAGE		

 
			
	BMO Harris Financing, Inc.,
	as a Lender
		
	By:		 /s/ James V. Ducote

	Name:		James V. Ducote
	Title:		Managing Director

  

					
			SIGNATURE PAGE		

 
			
	WELLS FARGO BANK, N.A.,
	as a Lender
		
	By:		 /s/ Tom K. Martin

	Name:		Tom K. Martin
	Title:		Director

  

					
			SIGNATURE PAGE		

 
			
	IBERIABANK,
	as a Lender
		
	By:		 /s/ W. Bryan Chapman

	Name:		W. Bryan Chapman
	Title:		Executive Vice President

  

					
			SIGNATURE PAGE		

 Schedule 1.1 

Applicable Margin Grid 

Revolving Credit Facility 

(basis points per annum) 
  

																					
	 Basis for Pricing
	  	Level I	 	  	Level II	 	  	Level III	 	  	Level IV	 	  	Level V	 
	 Borrowing Base Utilization*
	  	< 25%	 	  	3 25% but
< 50%	 	  	3 50% but
< 75%	 	  	3 75% but
< 90%	 	  	3 90% but
< 100%	 
	 Revolving Credit Eurodollar Margin
	  	 	150	  	  	 	175	  	  	 	200	  	  	 	225	  	  	 	250	  
	 Revolving Credit Base Rate Margin
	  	 	50	  	  	 	75	  	  	 	100	  	  	 	125	  	  	 	150	  
	 Commitment Fees
	  	 	37.5	  	  	 	37.5	  	  	 	50	  	  	 	50	  	  	 	50	  
	 Letter of Credit Fees (exclusive of fronting fees)
	  	 	150	  	  	 	175	  	  	 	200	  	  	 	225	  	  	 	250	  

  

	*	Definitions as set forth in the Credit Agreement. 

  

					
		  	SCHEDULE 1.1	  	

 Schedule 1.2 

Percentages and Allocations 

Revolving Credit 
  

									
	 LENDERS
	  	REVOLVING
CREDIT
ALLOCATIONS	 	  	REVOLVING
CREDIT
PERCENTAGE	 
	 Royal Bank of Canada
	  	$	64,285,714.29	  	  	 	17.142857143	% 
	 Comerica Bank
	  	$	51,623,376.62	  	  	 	13.766233766	% 
	 Bank of America, N.A.
	  	$	51,623,376.62	  	  	 	13.766233766	% 
	 The Bank of Nova Scotia
	  	$	51,623,376.62	  	  	 	13.766233766	% 
	 Suntrust Bank
	  	$	51,623,376.62	  	  	 	13.766233766	% 
	 BMO Harris Financing, Inc.
	  	$	51,623,376.62	  	  	 	13.766233766	% 
	 Wells Fargo Bank, N.A.
	  	$	34,090,909.09	  	  	 	9.090909091	% 
	 IBERIABANK
	  	$	18,506,493.51	  	  	 	4.935064935	% 
		  	  
	  
	 	  	  
	  
	 
	 TOTALS
		$	375,000,000.00	  		 	100.000000000	% 
		  	  
	  
	 	  	  
	  
	 

  

					
			SCHEDULE 1.2		

 CONSENT AND REAFFIRMATION 

Each of the undersigned (each a “Guarantor”) hereby (i) acknowledges receipt of a copy of the foregoing Sixth Amendment
to Third Amended and Restated Credit Agreement (the “Sixth Amendment”); (ii) consents to the Borrower’s execution and delivery thereof; (iii) consents to the terms of the Sixth Amendment; (iv) affirms that
nothing contained therein shall modify in any respect whatsoever its guaranty of the Indebtedness pursuant to the terms of the Guaranty or the Liens granted by it pursuant to the terms of the other Loan Documents to which it is a party securing
payment and performance of the Indebtedness, (v) reaffirms that the Guaranty and the other Loan Documents to which it is a party and such Liens are and shall continue to remain in full force and effect and are hereby ratified and confirmed in
all respects and (vi) represents and warrants to the Administrative Agent and the Lenders that, as of the date hereof, (x) all of the representations and warranties made by it in each of the Loan Documents to which it is a party are true
and correct in all material respects (without duplication of any materiality qualifier contained therein), except to the extent any such representations and warranties are expressly limited to an earlier date, in which case, such representations and
warranties shall continue to be true and correct in all material respects (without duplication of any materiality qualifier contained therein) as of such specified earlier date, and (y) after giving effect to the Sixth Amendment, no Default or
Event of Default has occurred and is continuing. Although each Guarantor has been informed of the matters set forth herein and has acknowledged and agreed to same, each Guarantor understands that neither the Administrative Agent nor any of the
Lenders have any obligation to inform any Guarantor of such matters in the future or to seek any Guarantor’s acknowledgment or agreement to future amendments or waivers for the Guaranty and other Loan Documents to which it is a party to remain
in full force and effect, and nothing herein shall create such duty or obligation. 
 [SIGNATURE PAGES FOLLOW] 

  

					
			CONSENT AND REAFFIRMATION		

 IN WITNESS WHEREOF, the undersigned has executed this Consent and Reaffirmation on and as of the
date of the Sixth Amendment. 
  

			
	GUARANTORS:
	
	MRC PERMIAN COMPANY
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	MRC ROCKIES COMPANY
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	MATADOR PRODUCTION COMPANY
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	 LONGWOOD GATHERING AND

DISPOSAL SYSTEMS GP, INC.

		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	 LONGWOOD GATHERING AND

DISPOSAL SYSTEMS, LP

		
	By:		Longwood Gathering and Disposal Systems GP, Inc., its General Partner
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President

  

					
			CONSENT AND REAFFIRMATION SIGNATURE PAGE		

 
			
	MATADOR RESOURCES COMPANY
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	DELAWARE WATER MANAGEMENT COMPANY, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	LONGWOOD MIDSTREAM DELAWARE, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	LONGWOOD MIDSTREAM SOUTHEAST, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	LONGWOOD MIDSTREAM SOUTH TEXAS, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	MRC ENERGY SOUTHEAST COMPANY, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President

  

					
			CONSENT AND REAFFIRMATION SIGNATURE PAGE		

 
			
	MRC ENERGY SOUTH TEXAS COMPANY, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	SOUTHEAST WATER MANAGEMENT COMPANY, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	MRC DELAWARE RESOURCES, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	DLK WOLF MIDSTREAM, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President
	
	DLK BLACK RIVER MIDSTREAM, LLC
		
	By:		  

	Name:		David E. Lancaster
	Title:		Executive Vice President

  

					
			CONSENT AND REAFFIRMATION SIGNATURE PAGE

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