Sec Form 4 Filing - Skindlo Dag @ Quintana Energy Services Inc. - 2020-07-28

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Skindlo Dag 2. Issuer Name and Ticker or Trading Symbol Quintana Energy Services Inc. [ "QES"] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1415 LOUISIANA STREET, SUITE 2900 3. Date of Earliest Transaction (MM/DD/YY) 07/28/2020 (Street) HOUSTON, TX77002 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common stock 07/28/2020 M( 3 ) 38,462 A 83,775 D Common stock 07/28/2020 D( 1 ) 83,775 D 0 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Unit ( 3 ) 07/28/2020 M 38,462 ( 3 ) ( 3 ) Common Stock 38,462 ( 3 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Skindlo Dag 1415 LOUISIANA STREET, SUITE 2900 HOUSTON, TX77002 X Signatures /s/ Max L. Bouthillette, attorney-in-fact 07/28/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On July 28, 2020, pursuant to the Agreement and Plan of Merger, dated May 3, 2020 (the "Merger Agreement"), by and among Quintana Energy Services Inc. ("QES"), KLX Energy Services Holdings, Inc. ("KLXE"), Krypton Intermediate LLC, and Kypton Merger Sub Inc. ("Merger Sub"), Merger Sub merged with and into QES (the "Merger"), with QES surviving the Merger as the wholly owned subsidiary of KLXE. ( 2 )Pursuant to the Merger Agreement, at the effective time of the Merger, each share of QES's common stock issued and outstanding immediately prior to the effective time of the Merger, was converted into, and became exchangeable for, 0.0969 shares of KLXE common stock. On July 27, 2020 (the last trading day prior to consummation of the Merger and KLXE's 1-for-5 reverse stock split), the closing price of one share of KLXE common stock was $2.00 and the closing price of one share of QES common stock was $0.93. ( 3 )Pursuant to the Merger Agreement, at the effective time of the Merger, each outstanding restricted stock unit award held by any director of the Company became fully vested and was cancelled, and became exchangeable for 0.0969 shares of KLXE common stock.

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