FORWARD PURCHASE AGREEMENT

Exhibit 10.1

Execution Version

This Forward Purchase Agreement (this “Agreement”) is entered into as of August 16, 2017, between Silver Run Acquisition Corporation II, a Delaware corporation (the “Company”), and Riverstone VI SR II Holdings, L.P., a Delaware limited partnership (the “Purchaser”).

Recitals

WHEREAS, the Company was formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses (a “Business Combination”);

WHEREAS, the Company completed its initial public offering (“IPO”) of 103,500,000 units (the “Public Units”), at a price of $10.00 per Public Unit, each Public Unit comprised of one share of the Company’s Class A common stock, par value $0.0001 per share (the “Class A Shares,” and the Class A Shares included in the Public Units, the “Public Shares”), and one-third of one redeemable warrant, where each whole redeemable warrant is exercisable to purchase one Class A Share at an exercise price of $11.50 per share (the “Warrants,” and the Warrants included in the Public Units, the “Public Warrants”);

WHEREAS, in connection with the IPO, the Company and the Purchaser entered into that certain Forward Purchase Agreement, dated as March 17, 2017 (the “Original Forward Purchase Agreement”), pursuant to which immediately prior to the closing of the Company’s initial Business Combination (the “Business Combination Closing”), the Company would issue and sell to the Purchaser, and the Purchaser would purchase from the Company, on a private placement basis, an aggregate of up to 40,000,000 Class A Shares plus an aggregate of up to 13,333,333 warrants for an aggregate purchase price of up to $400,000,000;

WHEREAS, on the date hereof, the Company has executed the following agreements relating to a proposed Business Combination transaction (collectively, the “Proposed Business Combination”):

1. that certain Contribution Agreement (the “Xxxx Xxxx Contribution Agreement”), by and among High Mesa Holdings, L.P., a Delaware limited partnership (“High Mesa Holdings”), High Mesa Holdings GP, LLC, a Texas limited liability company, Xxxx Xxxx Holdings, LP, a Texas limited partnership (“Xxxx Xxxx”), Xxxx Xxxx Holdings GP, LLC, a Texas limited liability company and the general partner of Xxxx Xxxx (“Xxxx Xxxx GP”), the Company and, solely for certain provisions therein, the Contributor Owners (as defined therein), pursuant to which the Company will acquire (i) all of the limited partner interests in Xxxx Xxxx held by High Mesa Holdings and (ii) 100% of the economic interests and 90% of the voting interests in Xxxx Xxxx GP, on the terms and subject to the conditions set forth therein;

2. that certain Contribution Agreement (the “Kingfisher Contribution Agreement”) by and among KFM Holdco, LLC, a Delaware limited liability company, Kingfisher Midstream, LLC, a Delaware limited liability company (“Kingfisher”), the Company and, solely for certain provisions therein, the Contributor Members (as defined therein), pursuant to which the Company will acquire 100% of the issued and outstanding membership interests in Kingfisher, on the terms and subject to the conditions set forth therein; and

3. that certain Contribution Agreement by and between Riverstone VI Xxxx Xxxx Holdings, L.P., a Delaware limited partnership (“Riverstone AM”), and the Company, pursuant to which the Company will acquire all of the limited partner interests in Xxxx Xxxx held by Riverstone; and

WHEREAS, the parties wish to enter into this Agreement, pursuant to which immediately prior to the closing of the Proposed Business Combination, the Company shall issue and sell to the Purchaser, and the Purchaser shall purchase from the Company, on a private placement basis, the number of Forward Purchase Shares (as defined below) determined pursuant to Section 1(a)(ii) hereof, on the terms and conditions set forth herein, which shall be in addition to any securities purchased by the Purchaser pursuant to the terms of the Original Forward Purchase Agreement.

NOW, THEREFORE, in consideration of the premises, representations, warranties and the mutual covenants contained in this Agreement, and for other good and valuable consideration, the receipt, sufficiency and adequacy of which are hereby acknowledged, the parties hereto agree as follows:

Agreement

1. Sale and Purchase.

(a) Forward Purchase Shares.

(i) The Company shall issue and sell to the Purchaser, and the Purchaser shall purchase from the Company, that number of Class A Shares (the “Forward Purchase Shares”), up to a maximum of 20,000,000 Class A Shares (the “Maximum Shares”), determined as set forth in clause 1(a)(ii), for an aggregate purchase price of $10.00 per Class A Share (the “Forward Purchase Price”), or up to a maximum of $200,000,000 in the aggregate.

(ii) The number of Forward Purchase Shares to be issued and sold by the Company and purchased by the Purchaser hereunder shall equal that number which, after payment of the aggregate Forward Purchase Price by the Purchaser, will result in net proceeds to the Company in an aggregate amount necessary to satisfy the Company’s aggregate payment obligations (that the Company is not otherwise able to satisfy such obligations with available cash) resulting from the exercise by any holder of Public Shares of such holder’s redemption right in connection with the Proposed Business Combination (the “Redemption Obligation”). Following the Company’s satisfaction of the Redemption Obligation in full, and only following such satisfaction in full, a number of Forward Purchase Shares may be issued and sold by the

Company and purchased by the Purchaser hereunder equal to that number which, after payment of the aggregate Forward Purchase Price by the Purchaser for such Forward Purchase Shares, will result in gross proceeds to the Company in an aggregate amount reasonably determined by the Company and the Purchaser to be necessary for general corporate purposes of the Company in connection with or following consummation of the Proposed Business Combination. Notwithstanding anything to the contrary in this Agreement, in no event shall the number of Forward Purchase Shares purchased hereunder exceed the Maximum Shares. Each of the Company and the Purchaser acknowledges and agrees that sales of Forward Purchase Shares under this Agreement, not the Original Forward Purchase Agreement, shall be the Company’s first resort for satisfying its Redemption Obligation; provided, however, that if the minimum cash condition in Section 8.8 of the Kingfisher Contribution Agreement can be satisfied with cash otherwise available to the Company, then sales of units under the Original Forward Purchase Agreement shall first be used to satisfy the Company’s Redemption Obligation.

(iii) The Company shall require the Purchaser to purchase the Forward Purchase Shares by delivering notice to the Purchaser, at least three (3) Business Days before the Business Combination Closing, specifying the number of Forward Purchase Shares the Purchaser is required to purchase, the date of the Business Combination Closing, the aggregate Forward Purchase Price and instructions for wiring the Forward Purchase Price. The closing of the sale of Forward Purchase Shares (the “Forward Closing”) shall be held on the same date and immediately prior to the Business Combination Closing (such date being referred to as the “Forward Closing Date”). At least one (1) Business Day prior to the Forward Closing Date, the Purchaser shall deliver to the Company, to be held in escrow until the Forward Closing, the Forward Purchase Price for the Forward Purchase Shares by wire transfer of U.S. dollars in immediately available funds to the account specified by the Company in such notice. Immediately prior to the Forward Closing on the Forward Closing Date, (a) the Forward Purchase Price shall be released from escrow automatically and without further action by the Company or the Purchaser, and (b) upon such release, the Company shall issue the Forward Purchase Shares to the Purchaser in book-entry form, free and clear of any liens or other restrictions whatsoever (other than those arising under state or federal securities laws), registered in the name of the Purchaser (or its nominee in accordance with its delivery instructions), or to a custodian designated by the Purchaser, as applicable. In the event the Business Combination Closing does not occur on the date scheduled for closing, the Forward Closing shall not occur and the Company shall promptly (but not later than one (1) Business Day thereafter) return the Forward Purchase Price to the Purchaser. For purposes of this Agreement, “Business Day” means any day, other than a Saturday or a Sunday, that is neither a legal holiday nor a day on which banking institutions are generally authorized or required by law or regulation to close in the City of New York, New York.

(b) Legends. Each book entry for the Forward Purchase Shares shall contain a notation, and each certificate (if any) evidencing the Forward Purchase Shares shall be stamped or otherwise imprinted with a legend, in substantially the following form:

“THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION, AND MAY NOT BE

TRANSFERRED IN VIOLATION OF SUCH ACT AND LAWS. THE SALE, PLEDGE, HYPOTHECATION, OR TRANSFER OF THE SECURITIES REPRESENTED HEREBY ARE SUBJECT TO THE TERMS AND CONDITIONS OF A CERTAIN FORWARD PURCHASE AGREEMENT BY AND AMONG THE HOLDER AND THE COMPANY. COPIES OF SUCH AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST TO THE SECRETARY OF THE COMPANY.”

2. Representations and Warranties of the Purchaser. The Purchaser represents and warrants to the Company as follows, as of the date hereof:

(a) Organization and Power. The Purchaser is duly organized, validly existing, and in good standing under the laws of the jurisdiction of its formation and has all requisite power and authority to carry on its business as presently conducted and as proposed to be conducted.

(b) Authorization. The Purchaser has full power and authority to enter into this Agreement. This Agreement, when executed and delivered by the Purchaser, will constitute the valid and legally binding obligation of the Purchaser, enforceable against the Purchaser in accordance with its terms, except (i) as limited by applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance and any other laws of general application affecting enforcement of creditors’ rights generally, (ii) as limited by laws relating to the availability of specific performance, injunctive relief or other equitable remedies, or (iii) to the extent the indemnification provisions contained in the Registration Rights (as defined below) may be limited by applicable federal or state securities laws.

(c) Governmental Consents and Filings. No consent, approval, order or authorization of, or registration, qualification, designation, declaration or filing with, any federal, state or local governmental authority is required on the part of the Purchaser in connection with the consummation of the transactions contemplated by this Agreement.

(d) Compliance with Other Instruments. The execution, delivery and performance by the Purchaser of this Agreement and the consummation by the Purchaser of the transactions contemplated by this Agreement will not result in any violation or default (i) of any provisions of its organizational documents, (ii) of any instrument, judgment, order, writ or decree to which it is a party or by which it is bound, (iii) under any note, indenture or mortgage to which it is a party or by which it is bound, (iv) under any lease, agreement, contract or purchase order to which it is a party or by which it is bound or (v) of any provision of federal or state statute, rule or regulation applicable to the Purchaser, in each case (other than clause (i)), which would have a material adverse effect on the Purchaser or its ability to consummate the transactions contemplated by this Agreement.

(e) Purchase Entirely for Own Account. This Agreement is made with the Purchaser in reliance upon the Purchaser’s representation to the Company, which by the Purchaser’s execution of this Agreement, the Purchaser hereby confirms, that the Forward Purchase Shares to be acquired by the Purchaser will be acquired for investment for the Purchaser’s own account, not as a nominee or agent, and not with a view to the resale or distribution of any part thereof in

violation of any state or federal securities laws, and that the Purchaser has no present intention of selling, granting any participation in, or otherwise distributing the same in violation of law. By executing this Agreement, the Purchaser further represents that the Purchaser does not presently have any contract, undertaking, agreement or arrangement with any Person to sell, transfer or grant participations to such Person or to any third Person, with respect to any of the Forward Purchase Shares. For purposes of this Agreement, “Person” means an individual, a limited liability company, a partnership, a joint venture, a corporation, a trust, an unincorporated organization, any other entity or any government or any department or agency thereof.

(f) Disclosure of Information. The Purchaser has had an opportunity to discuss the Company’s business, management, financial affairs and the terms and conditions of the offering of the Forward Purchase Shares, as well as the terms of the Proposed Business Combination, with the Company’s management.

(g) Restricted Securities. The Purchaser understands that the offer and sale of the Forward Purchase Shares to the Purchaser has not been, and will not be, registered under the Securities Act of 1933, as amended (the “Securities Act”), by reason of a specific exemption from the registration provisions of the Securities Act which depends upon, among other things, the bona fide nature of the investment intent and the accuracy of the Purchaser’s representations as expressed herein. The Purchaser understands that the Forward Purchase Shares are “restricted securities” under applicable U.S. federal and state securities laws and that, pursuant to these laws, the Purchaser must hold the Forward Purchase Shares indefinitely unless they are registered with the SEC and qualified by state authorities, or an exemption from such registration and qualification requirements is available. The Purchaser acknowledges that the Company has no obligation to register or qualify the Forward Purchase Shares for resale, except as provided herein (the “Registration Rights”). The Purchaser further acknowledges that if an exemption from registration or qualification is available, it may be conditioned on various requirements including, but not limited to, the time and manner of sale, the holding period for the Forward Purchase Shares, and on requirements relating to the Company which are outside of the Purchaser’s control, and which the Company is under no obligation and may not be able to satisfy.

(h) High Degree of Risk. The Purchaser understands that its agreement to purchase the Forward Purchase Shares involves a high degree of risk which could cause the Purchaser to lose all or part of its investment.

(i) Accredited Investor. The Purchaser is an accredited investor as defined in Rule 501(a) of Regulation D promulgated under the Securities Act.

(j) No General Solicitation. Neither the Purchaser, nor any of its officers, directors, employees, agents, stockholders or partners has either directly or indirectly, including, through a broker or finder (i) engaged in any general solicitation, or (ii) published any advertisement in connection with the offer and sale of the Forward Purchase Shares.

(k) Residence. The Purchaser’s principal place of business is the office or offices located at the address of the Purchaser set forth on the signature page hereof.

(l) Adequacy of Financing. The Purchaser has available to it sufficient funds to satisfy its obligations under this Agreement.

(m) No Other Representations and Warranties; Non-Reliance. Except for the specific representations and warranties contained in this Section 2 and in any certificate or agreement delivered pursuant hereto, none of the Purchaser nor any person acting on behalf of the Purchaser nor any of the Purchaser’s affiliates (the “Purchaser Parties”) has made, makes or shall be deemed to make any other express or implied representation or warranty with respect to the Purchaser and this offering, and the Purchaser Parties disclaim any such representation or warranty. Except for the specific representations and warranties expressly made by the Company in Section 3 of this Agreement and in any certificate or agreement delivered pursuant hereto, the Purchaser Parties specifically disclaim that they are relying upon any other representations or warranties that may have been made by the Company, any person on behalf of the Company or any of the Company’s affiliates (collectively, the “Company Parties”).

3. Representations and Warranties of the Company. The Company represents and warrants to the Purchaser as follows:

(a) Organization and Corporate Power. The Company is a corporation duly incorporated and validly existing and in good standing as a corporation under the laws of the State of Delaware and has all requisite corporate power and authority to carry on its business as presently conducted and as proposed to be conducted. The Company has no subsidiaries.

(b) Capitalization. On the date hereof, the authorized share capital of the Company consists of:

(i) 400,000,000 Class A Shares, 103,500,000 of which are issued and outstanding as of the date hereof. All of the outstanding Class A Shares have been duly authorized, are fully paid and nonassessable and were issued in compliance with all applicable federal and state securities laws.

(ii) 50,000,000 shares of Class B Common Stock, par value $0.0001 per share, of Buyer (the “Class B Common Stock”), 25,875,000 of which are issued and outstanding as of the date hereof. All of the outstanding shares of Class B Common Stock have been duly authorized, are fully paid and nonassessable and were issued in compliance with all applicable federal and state securities laws.

(iii) 1,000,000 preferred shares, none of which are issued and outstanding.

(c) Authorization. All corporate action required to be taken by the Company’s Board of Directors and stockholders in order to authorize the Company to enter into this Agreement, and to issue the Forward Purchase Shares at the Forward Closing, has been taken or will be taken prior to the Forward Closing. All action on the part of the stockholders, directors and officers of the Company necessary for the execution and delivery of this Agreement, the performance of all obligations of the Company under this Agreement to be performed as of the Forward Closing, and the issuance and delivery of the Forward Purchase Shares has been taken or will be taken prior to the Forward Closing. This Agreement, when executed and delivered by the Company, shall constitute the valid and legally binding obligation of the Company, enforceable against the

Company in accordance with its terms except (i) as limited by applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent conveyance, or other laws of general application relating to or affecting the enforcement of creditors’ rights generally, (ii) as limited by laws relating to the availability of specific performance, injunctive relief, or other equitable remedies, or (iii) to the extent the indemnification provisions contained in the Registration Rights may be limited by applicable federal or state securities laws.

(d) Valid Issuance of Securities. The Forward Purchase Shares, when issued, sold and delivered in accordance with the terms and for the consideration set forth in this Agreement, will be validly issued, fully paid and nonassessable, as applicable, and free of all preemptive or similar rights, taxes, liens, encumbrances and charges with respect to the issue thereof and restrictions on transfer other than restrictions on transfer specified under this Agreement, applicable state and federal securities laws and liens or encumbrances created by or imposed by the Purchaser. Assuming the accuracy of the representations of the Purchaser in this Agreement and subject to the filings described in Section 3(e) below, the Forward Purchase Shares will be issued in compliance with all applicable federal and state securities laws.

(e) Governmental Consents and Filings. Assuming the accuracy of the representations made by the Purchaser in this Agreement, no consent, approval, order or authorization of, or registration, qualification, designation, declaration or filing with, any federal, state or local governmental authority is required on the part of the Company in connection with the consummation of the transactions contemplated by this Agreement, except for filings pursuant to applicable state securities laws, if any, and pursuant to the Registration Rights.

(f) Compliance with Other Instruments. The execution, delivery and performance of this Agreement and the consummation of the transactions contemplated by this Agreement will not result in any violation or default (i) of any provisions of the Company’s certificate of incorporation, bylaws or other governing documents of the Company, (ii) of any instrument, judgment, order, writ or decree to which the Company is a party or by which it is bound, (iii) under any note, indenture or mortgage to which the Company is a party or by which it is bound, (iv) under any lease, agreement, contract or purchase order to which the Company is a party or by which it is bound or (v) of any provision of federal or state statute, rule or regulation applicable to the Company, in each case (other than clause (i)) which would have a material adverse effect on the Company or its ability to consummate the transactions contemplated by this Agreement.

(g) Operations. As of the date hereof, the Company has not conducted, and prior to the closing of the Proposed Business Combination the Company will not conduct, any operations other than organizational activities, activities in connection with offerings of its securities and activities in connection with evaluating potential Business Combination transactions.

(h) No General Solicitation. Neither the Company, nor any of its officers, directors, employees, agents or stockholders has either directly or indirectly, including, through a broker or finder (i) engaged in any general solicitation, or (ii) published any advertisement in connection with the offer and sale of the Forward Purchase Shares.

(i) No Other Representations and Warranties; Non-Reliance. Except for the specific representations and warranties contained in this Section 3 and in any certificate or agreement delivered pursuant hereto, none of the Company Parties has made, makes or shall be deemed to make any other express or implied representation or warranty with respect to the Company, this offering or the Proposed Business Combination, and the Company Parties disclaim any such representation or warranty. Except for the specific representations and warranties expressly made by the Purchaser in Section 2 of this Agreement and in any certificate or agreement delivered pursuant hereto, the Company Parties specifically disclaim that they are relying upon any other representations or warranties that may have been made by the Purchaser Parties.

4. Registration Rights; Transfer

(a) Registration. The Company agrees that it will use its commercially reasonable efforts to file with the SEC (at the Company’s sole cost and expense), within thirty (30) calendar days after the Business Combination Closing, a registration statement (the “Forward Registration Statement”) registering the resale of the Forward Purchase Shares (collectively, the “Registrable Securities”), and the Company shall use its commercially reasonable efforts to have the Forward Registration Statement declared effective as soon as practicable after the filing thereof; provided, however, that the Company’s obligations to include the Registrable Securities in the Forward Registration Statement are contingent upon the Purchaser furnishing in writing to the Company such information regarding the Purchaser, the securities of the Company held by the Purchaser and the intended method of disposition of the Registrable Securities as shall be reasonably requested by the Company to effect the registration of the Registrable Securities, and shall execute such documents in connection with such registration as the Company may reasonably request that are customary of a selling stockholder in similar situations.

(b) Indemnification.

(i) The Company shall, notwithstanding any termination of this Agreement, indemnify, defend and hold harmless the Purchaser (to the extent a seller under the Forward Registration Statement), the officers, directors, agents, partners, members, managers, stockholders, affiliates, employees and investment advisers of the Purchaser, each person who controls the Purchaser (within the meaning of Section 15 of the Securities Act or Section 20 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the officers, directors, partners, members, managers, stockholders, agents, affiliates, employees and investment advisers of each such controlling person, to the fullest extent permitted by applicable law, from and against any and all losses, claims, damages, liabilities, costs (including, without limitation, reasonable costs of preparation and investigation and reasonable attorneys’ fees) and expenses (collectively, “Losses”), as incurred, that arise out of or are based upon (i) any untrue or alleged untrue statement of a material fact contained in the Forward Registration Statement, any prospectus included in the Forward Registration Statement or any form of prospectus or in any amendment or supplement thereto or in any preliminary prospectus, or arising out of or relating to any omission or alleged omission to state a material fact required to be stated therein or necessary to make the statements therein (in the case of any prospectus or form of prospectus or supplement thereto, in light of the circumstances under which they were made) not misleading, or (ii) any violation or alleged violation by the Company of the Securities Act, the Exchange Act or any state securities law or any rule or regulation thereunder, in connection with

the performance of its obligations under this Section 4, except to the extent, but only to the extent that such untrue statements, alleged untrue statements, omissions or alleged omissions are based solely upon information regarding the Purchaser furnished in writing to the Company by the Purchaser expressly for use therein. The Company shall notify the Purchaser promptly of the institution, threat or assertion of any proceeding arising from or in connection with the transactions contemplated by this Section 4 of which the Company is aware. Such indemnity shall remain in full force and effect regardless of any investigation made by or on behalf of an indemnified party and shall survive the transfer of the Registrable Securities by the Company.

(ii) The Purchaser shall, severally and not jointly with any other selling stockholder named in the Forward Registration Statement, indemnify and hold harmless the Company, its directors, officers, agents and employees, each person who controls the Company (within the meaning of Section 15 of the Securities Act and Section 20 of the Exchange Act), and the directors, officers, agents or employees of such controlling persons, to the fullest extent permitted by applicable law, from and against all Losses, as incurred, arising out of or that are based upon any untrue or alleged untrue statement of a material fact contained in the Forward Registration Statement, any prospectus included in the Forward Registration Statement, or any form of prospectus, or in any amendment or supplement thereto or in any preliminary prospectus, or arising out of or relating to any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements therein (in the case of any prospectus, or any form of prospectus or supplement thereto, in light of the circumstances under which they were made) not misleading to the extent, but only to the extent that such untrue statements or omissions are based solely upon information regarding the Purchaser furnished in writing to the Company by the Purchaser expressly for use therein. In no event shall the liability of the Purchaser pursuant to the terms of this Agreement be greater in amount than the dollar amount of the net proceeds received by the Purchaser upon the sale of the Registrable Securities giving rise to such indemnification obligation.

(c) Transfer. This Agreement and all of the Purchaser’s rights and obligations hereunder (including the Purchaser’s obligation to purchase the Forward Purchase Shares) may be transferred or assigned, at any time and from time to time, to one or more third parties (each such transferee, a “Transferee”). Upon any such assignment:

(i) the applicable Transferee shall execute a signature page to this Agreement, substantially in the form of the Purchaser’s signature page hereto (the “Joinder Agreement”), which shall reflect the number of Forward Purchase Shares to be purchased by such Transferee (the “Transferee Securities”), and, upon such execution, such Transferee shall have all the same rights and obligations of the Purchaser hereunder with respect to the Transferee Securities, and references herein to the “Purchaser” shall be deemed to refer to and include any such Transferee with respect to such Transferee and to its Transferee Securities; provided, that any representations, warranties, covenants and agreements of the Purchaser and any such Transferee shall be several and not joint and shall be made as to the Purchaser or any such Transferee, as applicable, as to itself only; and

(ii) upon a Transferee’s execution and delivery of a Joinder Agreement, the number of Forward Purchase Shares to be purchased by the Purchaser hereunder shall be reduced by the total number of Forward Purchase Shares to be purchased by the applicable Transferee

pursuant to the applicable Joinder Agreement, which reduction shall be evidenced by the Purchaser and the Company amending Schedule A to this Agreement to reflect each transfer and updating the “Number of Forward Purchase Shares”, and “Aggregate Purchase Price for Forward Purchase Shares” on the Purchaser’s signature page hereto to reflect such reduced number of Forward Purchase Shares, and the Purchaser shall be fully and unconditionally released from its obligation to purchase such Transferee Securities hereunder. For the avoidance of doubt, this Agreement need not be amended and restated in its entirety, but only Schedule A and the Purchaser’s signature page hereto need be so amended and updated and executed by each of the Purchaser and the Company upon the occurrence of any such transfer of Transferee Securities.

5. Additional Agreements and Acknowledgements of the Purchaser.

(a) Trust Account.

(i) The Purchaser hereby acknowledges that it is aware that the Company established a trust account at X.X. Xxxxxx Xxxxx Bank, N.A. in connection with its IPO (the “Trust Account”) for the benefit of the holders of the Public Shares. The Purchaser, for itself and its affiliates, hereby agrees that it has no right, title, interest or claim of any kind in or to any monies held in the Trust Account, or any other asset of the Company as a result of any liquidation of the Company, except for redemption and liquidation rights, if any, the Purchaser may have in respect of any Public Shares held by it.

(ii) The Purchaser hereby agrees that it shall have no right of set-off or any right, title, interest or claim of any kind (“Claim”) to, or to any monies in, the Trust Account, and hereby irrevocably waives any Claim to, or to any monies in, the Trust Account that it may have now or in the future, except for redemption and liquidation rights, if any, the Purchaser may have in respect of any Public Shares held by it. In the event the Purchaser has any Claim against the Company under this Agreement, the Purchaser shall pursue such Claim solely against the Company and its assets outside the Trust Account and not against the property or any monies in the Trust Account, except for redemption and liquidation rights, if any, the Purchaser may have in respect of any Public Shares held by it.

(b) Voting. The Purchaser hereby agrees that if the Company seeks stockholder approval of the Proposed Business Combination, then in connection with the Proposed Business Combination, the Purchaser shall vote any Class A Shares owned by it in favor of the Proposed Business Combination.

(c) No Short Sales. The Purchaser hereby agrees that neither it, nor any person or entity acting on its behalf or pursuant to any understanding with it, will engage in any Short Sales with respect to securities of the Company prior to the Proposed Business Combination Closing. For purposes of this Section, “Short Sales” shall include, without limitation, all “short sales” as defined in Rule 200 promulgated under Regulation SHO under the Exchange Act, and all types of direct and indirect stock pledges (other than pledges in the ordinary course of business as part of prime brokerage arrangements), forward sale contracts, options, puts, calls, swaps and similar arrangements (including on a total return basis), and sales and other transactions through non-U.S. broker dealers or foreign regulated brokers.

6. Listing. The Company will use commercially reasonable efforts to effect and maintain the listing of the Class A Shares on the NASDAQ Capital Market (or another national securities exchange).

7. Forward Closing Conditions.

(a) The obligation of the Purchaser to purchase the Forward Purchase Shares at the Forward Closing under this Agreement shall be subject to the fulfillment, at or prior to the Forward Closing of each of the following conditions, any of which, to the extent permitted by applicable laws, may be waived by the Purchaser:

(i) The Proposed Business Combination shall be consummated substantially concurrently with the purchase of the Forward Purchase Shares;

(ii) The Company shall have delivered to the Purchaser a certificate evidencing the Company’s good standing as a Delaware corporation;

(iii) The representations and warranties of the Company set forth in Section 3 of this Agreement shall have been true and correct as of the date hereof and shall be true and correct as of the Forward Closing Date, as applicable, with the same effect as though such representations and warranties had been made on and as of such date (other than any such representation or warranty that is made by its terms as of a specified date, which shall be true and correct as of such specified date), except where the failure to be so true and correct would not have a material adverse effect on the Company or its ability to consummate the transactions contemplated by this Agreement;

(iv) The Company shall have performed, satisfied and complied in all material respects with the covenants, agreements and conditions required by this Agreement to be performed, satisfied or complied with by the Company at or prior to the Forward Closing; and

(v) No order, writ, judgment, injunction, decree, determination, or award shall have been entered by or with any governmental, regulatory, or administrative authority or any court, tribunal, or judicial, or arbitral body, and no other legal restraint or prohibition shall be in effect, preventing the purchase by the Purchaser of the Forward Purchase Shares.

(b) The obligation of the Company to sell the Forward Purchase Shares at the Forward Closing under this Agreement shall be subject to the fulfillment, at or prior to the Forward Closing of each of the following conditions, any of which, to the extent permitted by applicable laws, may be waived by the Company:

(i) The Proposed Business Combination shall be consummated substantially concurrently with the purchase of the Forward Purchase Shares;

(ii) The representations and warranties of the Purchaser set forth in Section 2 of this Agreement shall have been true and correct as of the date hereof and shall be true and correct as of the Forward Closing Date, as applicable, with the same effect as though such representations and warranties had been made on and as of such date (other than any such representation or warranty that is made by its terms as of a specified date, which shall be true and

correct as of such specified date), except where the failure to be so true and correct would not have a material adverse effect on the Purchaser or its ability to consummate the transactions contemplated by this Agreement;

(iii) The Purchaser shall have performed, satisfied and complied in all material respects with the covenants, agreements and conditions required by this Agreement to be performed, satisfied or complied with by the Purchaser at or prior to the Forward Closing; and

(iv) No order, writ, judgment, injunction, decree, determination, or award shall have been entered by or with any governmental, regulatory, or administrative authority or any court, tribunal, or judicial, or arbitral body, and no other legal restraint or prohibition shall be in effect, preventing the purchase by the Purchaser of the Forward Purchase Shares.

8. Termination. This Agreement may be terminated at any time prior to the Forward Closing:

(a) by mutual written consent of the Company and the Purchaser;

(b) automatically

(i) at any time before the Business Combination Closing, if the Xxxx Xxxx Contribution Agreement or the Kingfisher Contribution Agreement shall have been terminated in accordance with their respective terms; or

(ii) if the Company becomes subject to any voluntary or involuntary petition under the United States federal bankruptcy laws or any state insolvency law, in each case which is not withdrawn within sixty (60) days after being filed, or a receiver, fiscal agent or similar officer is appointed by a court for business or property of the Company, in each case which is not removed, withdrawn or terminated within sixty (60) days after such appointment.

In the event of any termination of this Agreement pursuant to this Section 8, the Forward Purchase Price (and interest thereon, if any), if previously paid, and all Purchaser’s funds paid in connection herewith shall be promptly returned to the Purchaser, and thereafter this Agreement shall forthwith become null and void and have no effect, without any liability on the part of the Purchaser or the Company and their respective directors, officers, employees, partners, managers, members, or stockholders and all rights and obligations of each party shall cease; provided, however, that nothing contained in this Section 8 shall relieve either party from liabilities or damages arising out of any fraud or willful breach by such party of any of its representations, warranties, covenants or agreements contained in this Agreement.

9. General Provisions.

(a) Notices. All notices and other communications given or made pursuant to this Agreement shall be in writing and shall be deemed effectively given upon the earlier of actual receipt, or (a) personal delivery to the party to be notified, (b) when sent, if sent by electronic mail or facsimile (if any) during normal business hours of the recipient, and if not sent during normal business hours, then on the recipient’s next Business Day, (c) five (5) Business Days after having been sent by registered or certified mail, return receipt requested, postage prepaid,

or (d) one (1) Business Day after deposit with a nationally recognized overnight courier, freight prepaid, specifying next Business Day delivery, with written verification of receipt. All communications sent to the Company shall be sent to: Silver Run Acquisition Corporation II, 0000 Xxxxxxxxx Xxxxxx, Xxxxx 0000, Xxxxxxx, Xxxxx 00000, Attention: Secretary, with a copy to the Company’s counsel at Xxxxxx & Xxxxxxx LLP, 000 Xxxxxxxx Xxxxxx XX, Xxxxx 0000, Xxxxxxxxxx, X.X., 00000, Attention: Xxxxxxxx X. Xxxxxx.

All communications to the Purchaser shall be sent to the Purchaser’s address as set forth on the signature page hereof, or to such e-mail address, facsimile number (if any) or address as subsequently modified by written notice given in accordance with this Section 9(a).

(b) No Finder’s Fees. Each party represents that it neither is nor will be obligated for any finder’s fee or commission in connection with this transaction. The Purchaser agrees to indemnify and to hold harmless the Company from any liability for any commission or compensation in the nature of a finder’s or broker’s fee arising out of this transaction (and the costs and expenses of defending against such liability or asserted liability) for which the Purchaser or any of its officers, employees or representatives is responsible. The Company agrees to indemnify and hold harmless the Purchaser from any liability for any commission or compensation in the nature of a finder’s or broker’s fee arising out of this transaction (and the costs and expenses of defending against such liability or asserted liability) for which the Company or any of its officers, employees or representatives is responsible.

(c) Survival of Representations and Warranties. All of the representations and warranties contained herein shall survive the Forward Closing.

(d) Entire Agreement. This Agreement, together with any documents, instruments and writings that are delivered pursuant hereto or referenced herein, constitute the entire agreement and understanding of the parties hereto in respect of its subject matter and supersedes all prior understandings, agreements, or representations by or among the parties hereto, written or oral, to the extent they relate in any way to the subject matter hereof or the transactions contemplated hereby.

(e) Successors. All of the terms, agreements, covenants, representations, warranties, and conditions of this Agreement are binding upon, and inure to the benefit of and are enforceable by, the parties hereto and their respective successors. Nothing in this Agreement, express or implied, is intended to confer upon any party other than the parties hereto or their respective successors and assigns any rights, remedies, obligations or liabilities under or by reason of this Agreement, except as expressly provided in this Agreement.

(f) Assignments. Except as otherwise specifically provided herein, no party hereto may assign either this Agreement or any of its rights, interests, or obligations hereunder without the prior written approval of the other party.

(g) Counterparts. This Agreement may be executed in two or more counterparts, each of which will be deemed an original but all of which together will constitute one and the same instrument.

(h) Headings . The section headings contained in this Agreement are inserted for convenience only and will not affect in any way the meaning or interpretation of this Agreement.

(i) Governing Law. This Agreement, the entire relationship of the parties hereto, and any litigation between the parties (whether grounded in contract, tort, statute, law or equity) shall be governed by, construed in accordance with, and interpreted pursuant to the laws of the State of New York, without giving effect to its choice of laws principles.

(j) Jurisdiction. The parties (i) hereby irrevocably and unconditionally submit to the jurisdiction of the state courts of New York and to the jurisdiction of the United States District Court for the Southern District of New York for the purpose of any suit, action or other proceeding arising out of or based upon this Agreement, (b) agree not to commence any suit, action or other proceeding arising out of or based upon this Agreement except in state courts of New York or the United States District Court for the Southern District of New York, and (c) hereby waive, and agree not to assert, by way of motion, as a defense, or otherwise, in any such suit, action or proceeding, any claim that it is not subject personally to the jurisdiction of the above-named courts, that its property is exempt or immune from attachment or execution, that the suit, action or proceeding is brought in an inconvenient forum, that the venue of the suit, action or proceeding is improper or that this Agreement or the subject matter hereof may not be enforced in or by such court.

(k) Waiver of Jury Trial. The parties hereto hereby waive any right to a jury trial in connection with any litigation pursuant to this Agreement and the transactions contemplated hereby.

(l) Amendments. This Agreement may not be amended, modified or waived as to any particular provision, except with the prior written consent of the Company and the Purchaser.

(m) Severability. The provisions of this Agreement will be deemed severable and the invalidity or unenforceability of any provision will not affect the validity or enforceability of the other provisions hereof; provided that if any provision of this Agreement, as applied to any party hereto or to any circumstance, is adjudged by a governmental authority, arbitrator, or mediator not to be enforceable in accordance with its terms, the parties hereto agree that the governmental authority, arbitrator, or mediator making such determination will have the power to modify the provision in a manner consistent with its objectives such that it is enforceable, and/or to delete specific words or phrases, and in its reduced form, such provision will then be enforceable and will be enforced.

(n) Expenses. Each of the Company and the Purchaser will bear its own costs and expenses incurred in connection with the preparation, execution and performance of this Agreement and the consummation of the transactions contemplated hereby, including all fees and expenses of agents, representatives, financial advisors, legal counsel and accountants. The Company shall be responsible for the fees of its transfer agent; stamp taxes and all The Depository Trust Company fees associated with the issuance of the Forward Purchase Shares.

(o) Construction. The parties hereto have participated jointly in the negotiation and drafting of this Agreement. If an ambiguity or question of intent or interpretation arises, this

Agreement will be construed as if drafted jointly by the parties hereto and no presumption or burden of proof will arise favoring or disfavoring any party hereto because of the authorship of any provision of this Agreement. Any reference to any federal, state, local, or foreign law will be deemed also to refer to law as amended and all rules and regulations promulgated thereunder, unless the context requires otherwise. The words “include,” “includes,” and “including” will be deemed to be followed by “without limitation.” Pronouns in masculine, feminine, and neuter genders will be construed to include any other gender, and words in the singular form will be construed to include the plural and vice versa, unless the context otherwise requires. The words “this Agreement,” “herein,” “hereof,” “hereby,” “hereunder,” and words of similar import refer to this Agreement as a whole and not to any particular subdivision unless expressly so limited. The parties hereto intend that each representation, warranty, and covenant contained herein will have independent significance. If any party hereto has breached any representation, warranty, or covenant contained herein in any respect, the fact that there exists another representation, warranty or covenant relating to the same subject matter (regardless of the relative levels of specificity) which such party hereto has not breached will not detract from or mitigate the fact that such party hereto is in breach of the first representation, warranty, or covenant.

(p) Waiver. No waiver by any party hereto of any default, misrepresentation, or breach of warranty or covenant hereunder, whether intentional or not, may be deemed to extend to any prior or subsequent default, misrepresentation, or breach of warranty or covenant hereunder or affect in any way any rights arising because of any prior or subsequent occurrence.

(q) Specific Performance. The Purchaser agrees that irreparable damage may occur in the event any provision of this Agreement was not performed by the Purchaser in accordance with the terms hereof and that the Company shall be entitled to specific performance of the terms hereof, in addition to any other remedy at law or equity.

[Signature page follows]

IN WITNESS WHEREOF, the undersigned have executed this Agreement to be effective as of the date first set forth above.

PURCHASER:

RIVERSTONE VI SR II HOLDINGS, L.P.

By:	RIVERSTONE ENERGY VI HOLDINGS GP, LLC

	By:	/s/ Xxxxxx X. Xxxxxxxxx
		Name: Xxxxxx X. Xxxxxxxxx
		Title: Authorized Person

		Address for Notices:
		000 Xxxxx Xxx, 00xx Xxxxx
		Xxx Xxxx, Xxx Xxxx 00000
		E-mail:
		Fax:

COMPANY:

SILVER RUN ACQUISITION CORPORATION II

By:	/s/ Xxxxx X. Xxxxxxx
	Name: Xxxxx X. Xxxxxxx
	Title: Chief Executive Officer

[To be completed by the Company]

Number of Forward Purchase Shares:

Aggregate Purchase Price for Forward Purchase Shares: $

[Signature Page to Forward Purchase Agreement]

TO BE EXECUTED UPON ANY ASSIGNMENT AND/OR REVISION IN ACCORDANCE WITH THIS AGREEMENT TO “NUMBER OF FORWARD PURCHASE SHARES” AND “AGGREGATE PURCHASE PRICE FOR FORWARD PURCHASE SHARES” SET FORTH ABOVE:

Number of Forward Purchase Shares and Aggregate Purchase Price for Forward Purchase Shares as of [ · ], 201[ · ], accepted and agreed to as of this [ · ] day of [ · ], 201[ · ].

RIVERSTONE VI SR II HOLDINGS, L.P.

By:	RIVERSTONE ENERGY VI HOLDINGS GP, LLC

	By:
		Name:
		Title:

SILVER RUN ACQUISITION CORPORATION II

By:
	Name:
	Title:

[Signature Page to Forward Purchase Agreement]

SCHEDULE A

SCHEDULE OF TRANSFERS OF FORWARD PURCHASE SHARES

The following transfers of a portion of the original number of Forward Purchase Shares have been made:

Date of Transfer	Transferee	Number of Forward Purchase Shares Transferred	Purchaser Revised Forward Purchase Share Amount

TO BE EXECUTED UPON ANY ASSIGNMENT OR FINAL DETERMINATION OF FORWARD PURCHASE SHARES:

Schedule A as of [ · ], 201[ · ], accepted and agreed to as of this [ · ] day of [ · ], 201[ · ] by:

RIVERSTONE VI SR II HOLDINGS, L.P.		SILVER RUN ACQUISITION CORPORATION II

By:		By:
	Name:		Name:
	Title:		Title:

Schedule A-1

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FORWARD PURCHASE AGREEMENT

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