Fifth Amendment to Credit Agreement, effective as of January 7, 2019

SECTION 1. Definitions.  Unless otherwise defined in this Amendment, capitalized terms used in this Amendment that are defined in the Credit Agreement shall have the meanings assigned to such terms in the Credit Agreement.

SECTION 2. Amendment to the Credit Agreement.  Subject to satisfaction of the conditions of effectiveness set forth in Section 3 of this Amendment, the parties hereto agree that:

SECTION 3. Conditions of Effectiveness.  The amendment set forth in Section 2 of this Amendment, as well as any other terms and conditions set forth herein, shall be effective as of date Administrative Agent shall have received each of the following, which shall be in form and substance satisfactory to Administrative Agent:

(a) a counterpart of this Amendment executed by Borrower, Guarantors, the Lenders and Administrative Agent;

(b) (i) joinders to the Guaranty and each applicable Security Document (collectively, the “Joinders”) executed by Dewey Energy Holdings, LLC and Dewey Energy GP, LLC (collectively, the “New Guarantors”), (ii) officer’s certificates, attaching authorizing resolutions, incumbencies and Constituent Documents, with respect to the New Guarantors, (iii) certificates of the appropriate governmental officials of the state of organization of each New Guarantor as to the existence and good standing of each New Guarantor, and (iv) the results of a UCC searches on the New Guarantors showing all financing statements and other documents or instruments on file against the New Guarantors in the appropriate filing offices;

(c) evidence that Borrower has entered into Acceptable Commodity Hedging Transactions at prices acceptable to Administrative Agent as are necessary to cover at least 50% of Projected Production of natural gas for calendar year 2019 and 25% of Projected Production of natural gas for calendar year 2020, in each case, from the Oil and Gas Properties of Borrower and its Subsidiaries used in determining the Borrowing Base;

(d) all fees and expenses required to be paid pursuant to the Loan Documents, including, without limitation, the fees and expenses of Winstead PC invoiced on or prior to the Fifth Amendment Execution Date; and

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

SECTION 4. Increase of Borrowing Base.  Subject to the satisfaction of the conditions of effectiveness set forth in Section 3 of this Amendment and effective as of the Fifth Amendment Execution Date, the Borrowing Base is hereby increased from $13,500,000 to $23,000,000.  The foregoing redetermination of the Borrowing Base is a periodic redetermination of the Borrowing Base under Section 2.10(b) of the Credit Agreement.  The Borrowing Base as so adjusted shall remain in effect until the next periodic redetermination of the Borrowing Base under Section 2.10(b) of the Credit Agreement, unless otherwise adjusted pursuant to the other provisions of Section 2.10 of the Credit Agreement.

SECTION 5. Post-Closing Covenant.  On or before January 17, 2019, Borrower shall pay to Administrative Agent a Borrowing Base increase and extension fee in an amount equal to $172,500.

SECTION 6. Acknowledgment and Ratification.  As a material inducement to Administrative Agent and the Lenders to execute and deliver this Amendment, each Obligated Party acknowledges and agrees that the execution, delivery, and performance of this Amendment shall, except as expressly provided herein, in no way release, diminish, impair, reduce, or otherwise affect the obligations of any Obligated Party under the Loan Documents, which Loan Documents shall remain in full force and effect.

SECTION 7. Borrower’s Representations and Warranties.  As a material inducement to Administrative Agent and the Lenders to execute and deliver this Amendment, each Obligated Party represents and warrants to Administrative Agent and the Lenders (with the knowledge and

intent that Administrative Agent and the Lenders are relying upon the same in entering into this Amendment) that, as of the Fifth Amendment Execution Date:

(a) The execution, delivery, and performance by such Person of this Amendment and the Joinders to the extent party thereto and compliance with the terms and provisions hereof and thereof have been duly authorized by all requisite action on the part of such Person and do not and will not (i) violate or conflict with, or result in a breach of, or require any consent under (A) the Constituent Documents of such Person, (B) any applicable law, rule, or regulation or any order, writ, injunction, or decree of any Governmental Authority or arbitrator which could result in a Material Adverse Event, or (C) any agreement or instrument to which such Person is a party or by which it or any of its Properties is bound or subject which could result in a Material Adverse Event, or (i) constitute a default under any such agreement or instrument which could result in a Material Adverse Event, or result in the creation or imposition of any Lien upon any of the revenues or assets of such Person.

(b) This Amendment and the Joinders constitute legal, valid, and binding obligations of such Person to the extent that it is a party thereto, enforceable against such Person in accordance with their respective terms, except as limited by Debtor Relief Laws.

(c) No authorization, approval, or consent of, and no filing or registration with, any Governmental Authority or third party is or will be necessary for the execution, delivery, or performance by such Person of this Amendment or the Joinders to the extent party thereto or the validity or enforceability hereof or thereof.

(d) All of the representations and warranties contained in Article 6 of the Credit Agreement are true and correct on and as of the Fifth Amendment Execution Date with the same force and effect as if such representations and warranties had been made on and as of the Fifth Amendment Execution Date, except to the extent that such representations and warranties specifically refer to an earlier date, in which case they are true and correct as of such earlier date, and except that for purposes of this Section 7(d), the representations and warranties contained in Section 6.2 of the Credit Agreement shall be deemed to refer to the most recent statements furnished pursuant to Section 7.1(a) and (b) of the Credit Agreement, respectively.

(e) At the time of and after giving effect to this Amendment, no Default exists.

SECTION 8. Effect of Amendment.  This Amendment, except as expressly provided herein, (a) shall not be deemed to be a consent to the modification or a  waiver of any other term or condition of the Credit Agreement, any Security Document or any other Loan Document, (b) shall not prejudice any right or rights which Administrative Agent or the Lenders may now or hereafter have under or in connection with the Credit Agreement,  any Security Document or any other Loan Document, and (c) shall not be deemed to be a waiver of any existing or future Default under the Credit Agreement, any Security Document or any other Loan Document.

SECTION 9. Miscellaneous.  This Amendment shall be governed by, and construed in accordance with, the law of the State of Texas.  The captions in this Amendment are for convenience of reference only and shall not define or limit the provisions hereof.  This Amendment may be executed in separate counterparts, each of which when so executed and delivered shall be

an original, but all of which together shall constitute one instrument.  In evidencing this Amendment, it shall not be necessary to produce or account for more than one such counterpart.  This Amendment, and any documents required or requested to be delivered pursuant to Section 3 hereof, may be delivered by facsimile or pdf transmission of the relevant signature pages hereof and thereof, as applicable.

SECTION 10. Ratification.  Each Obligated Party ratifies and acknowledges that the Loan Documents to which it is a party are valid, subsisting and enforceable.

SECTION 11. NOTICE OF FINAL AGREEMENT.  THIS AMENDMENT, THE OTHER LOAN DOCUMENTS AND THE INTERCREDITOR AGREEMENT REPRESENT THE FINAL AGREEMENT AMONG THE PARTIES RELATING TO THE SUBJECT MATTER HEREOF AND THEREOF AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG THE PARTIES.