Letter Agreement re: Reorganization Document Correction, dated November 5, 2018, between the Company and the entities party thereto

Reference is hereby made to that certain Master Reorganization Agreement, dated as of February 8, 2018, by and among Quintana Energy Services Inc., a Delaware corporation (“PubCo”); QES Holdco LLC, a Delaware limited liability company (“QES Holdco”); Quintana Energy Partners, L.P., a Cayman Islands exempted limited partnership (“Main Fund”); Quintana Energy Fund − FI, L.P., a Cayman Islands exempted limited partnership (“FI Fund”); Consolidated FI Blocker, Inc., a Delaware corporation (“FI Blocker”); Quintana Energy Fund − TE, L.P., a Cayman Islands exempted limited partnership (“TE Fund”); Consolidated TE Blocker, Inc., a Delaware corporation (“TE Blocker”); QES HoldCo MergerCo, LP, a Delaware limited partnership (“HoldCo MergerCo”); Archer Holdco LLC, a Texas limited liability company (“Archer Holdco”); Geveran Investments Limited, a limited company organized under the laws of Cyprus (“Geveran Investments”); Geveran Blocker, LLC, a Delaware limited liability company (“Geveran Blocker I”); QES Investment Blocker, LLC, a Delaware limited liability company (“Geveran Blocker II”); QES LP MergerCo, LP, a Delaware limited partnership (“QES LP MergerCo”); Robertson QES Investment LLC, a Delaware limited liability company (“Robertson QES”); Quintana Energy Fund − QES Blocker, L.L.C., a Delaware limited liability company (“QES Blocker”); Quintana Energy Fund − QES Holdings, L.L.C., a Delaware limited liability company (“QES Holdings”); and Quintana Energy Services LP, a Delaware limited partnership (“QES LP,” and together with PubCo, Main Fund, FI Fund, FI Blocker, TE Fund, TE Blocker, HoldCo MergerCo, Archer Holdco, Geveran Investments, Geveran Blocker I, Geveran Blocker II, QES LP MergerCo, Robertson QES, QES Blocker, and QES Holdings, collectively, the “Parties”) (such agreement, the “MRA,” and the transactions contemplated thereby, the “Reorganization”). Capitalized terms used but not defined herein shall have the meanings assigned to such terms in the MRA.

Reference is also hereby made to (1) that certain Agreement and Plan of Merger, dated as of February 12, 2018, by and between PubCo and FI Blocker (the “FI Blocker Merger Agreement”); (2) that certain Agreement and Plan of Merger, dated as of February 12, 2018, by and between PubCo and TE Blocker (the “TE Blocker Merger Agreement”); (3) that certain Agreement and Plan of Merger, dated as of February 12, 2018, by and among PubCo, QES Holdco, and HoldCo MergerCo (the “QES Holdco Merger Agreement”); and (4) that certain Agreement and Plan of Merger, dated as of February 12, 2018, by and among PubCo, QES LP, and QES LP MergerCo (the “QES LP Merger Agreement,” and the transactions contemplated by the FI Blocker Merger Agreement, the TE Blocker Merger Agreement, the QES Holdco Merger Agreement, and the QES LP Merger Agreement, collectively, the “Mergers”).

Following the Reorganization, it was determined that (1) the number of shares of PubCo common stock to be issued to FI Fund and TE Fund as consideration for the FI Blocker Merger Agreement and the TE Blocker Merger Agreement, respectively, as well as FI Fund and TE Fund’s respective ownership in Series A Units of QES Holdco, were transposed and need to be corrected; (2) awards under the 2015 Long-Term Incentive Plan of QES LP were determined to more appropriately be settled directly by PubCo following the Reorganization, as opposed to

simultaneously with the consummation of the Mergers; and (3) the Reverse Stock Split (as defined in the MRA) was not required and was abandoned. The Parties acknowledge and agree that none of the foregoing has any economic impact on the Parties, who ultimately received shares of Common Stock representative of their direct or indirect interests in QES LP.

In order to effect the foregoing corrections, the affected Parties are entering into this letter agreement and hereby agree to the following, to be deemed effective as of February 12, 2018:

This letter agreement may be executed in any number of counterparts, each of which shall be considered an original, and all of which shall be considered one and the same instrument. Facsimile, PDF or other electric transmission of copies of signatures shall constitute original signatures for all purposes of this letter agreement and any enforcement thereof. The provisions of Article VI of the MRA shall apply to this letter agreement mutatis mutandis.

IN WITNESS WHEREOF, the Parties have executed this letter agreement or caused this letter agreement to be duly executed on their respective behalf, by their respective officers thereunto duly authorized, all as of the day and year first above written.

Title: Chief Executive Officer, President, and Director

Title: President and Chief Executive Officer

Title: General Counsel

By:     /s/ Paul J. Cornell    

Name: Paul J. Cornell

Title: Managing Director and Chief Financial Officer

By:     /s/ Paul J. Cornell    

Name: Paul J. Cornell

By:     /s/ Paul J. Cornell    

Name: Paul J. Cornell

Financial Officer

Title:    Manager

By:     /s/ Corbin J. Robertson, Jr.    

Name: Corbin J. Robertson, Jr.

Title:    Managing Partner

Rogers Herndon

Keefer Lehner

Christopher Baker

Dan Fleckman