Sec Form 4 Filing - Lehner Keefer McGovern @ Quintana Energy Services Inc. - 2019-02-09

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 Lehner Keefer McGovern 2. Issuer Name and Ticker or Trading Symbol Quintana Energy Services Inc. [ QES] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) See Remarks (Last) (First) (Middle) 1415 LOUISIANA STREET, SUITE 2900 3. Date of Earliest Transaction (MM/DD/YY) 02/09/2019 (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 02/09/2019 M( 1 ) 11,875 A 61,262 D Common stock 02/09/2019 F 3,902 ( 3 ) D $ 4.95 57,360 D Common stock 02/09/2019 M( 4 ) 7,125 A 64,485 D Common stock 02/09/2019 F 2,341 ( 5 ) D $ 4.95 62,144 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 ( 2 ) 02/09/2019 M 11,875 ( 1 ) ( 1 ) Common stock 11,875 $ 0 23,750 ( 1 ) D Performance Share Unit ( 6 ) 02/09/2019 M 7,125 ( 4 ) ( 4 ) Common stock 7,125 $ 0 14,250 ( 4 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Lehner Keefer McGovern 1415 LOUISIANA STREET, SUITE 2900 HOUSTON, TX77002 See Remarks Signatures /s/ Max L. Bouthillette, attorney-in-fact 02/12/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the conversion upon vesting of certain restricted stock units into common stock of the Company. As previously reported on April 20, 2018, the reporting person was granted 35,625 restricted stock units on April 18, 2018, of which one-third vested on February 9, 2019 in accordance with the Company's 2018 Long Term Incentive Plan. Vesting shall occur on the remaining restricted stock units on the first and second anniversaries of February 9, 2019. ( 2 )Each restricted stock unit represents the right to receive, upon vesting, one share of Company common stock. ( 3 )Reflects 3,902 shares withheld by the Company at the market price of $4.95 per share to fund the payment of taxes for the restricted stock unit conversion. ( 4 )Represents the conversion upon vesting of certain performance share units (PSUs) into common stock of the Company. As previously reported on April 20, 2018, the reporting person was previously awarded 71,250 under the Company's Long Term Incentive Plan on April 18, 2018. The PSUs vest and are settled when they have performance vested in accordance with certain achieved goals that are based on (i) relative total stockholder return and (ii) absolute total stockholder return. It has been determined that 21,375 of those PSUs are earned and eligible for vesting. On February 9, 2019, one-third of the PSUs earned were vested and settled. Should the reporting person satisfy the service requirement applicable to such earned performance units, vesting shall occur on the remaining PSUs in equal installments on the first and second anniversaries of February 9, 2019 ( 5 )Reflects 2,341 shares withheld by the Company at the market price of $4.95 per share to fund the payment of taxes for the performance share unit conversion. ( 6 )Each performance share unit represents the right to receive, upon vesting, one share of Company common stock.

Remarks: Executive Vice President and Chief Financial Officer

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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