Sec Form 4/A Filing - Brunnert David J. @ KEY ENERGY SERVICES INC - 2017-12-31

FORM 4/A 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 Brunnert David J. 2. Issuer Name and Ticker or Trading Symbol KEY ENERGY SERVICES INC [ KEG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP & COO (Last) (First) (Middle) 1301 MCKINNEY STREET, SUITE 1800 3. Date of Earliest Transaction (MM/DD/YY) 12/31/2017 (Street) HOUSTON, TX77010 4. If Amendment, Date Original Filed (MM/DD/YY) 01/03/2018 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 ( 1 ) 12/31/2017 01/03/2018 A 60,000 A $ 0 89,433 D Common Stock ( 2 ) 12/31/2017 01/03/2018 A 7,899 A $ 0 97,332 D Common Stock 12/31/2017 01/03/2018 F 2,161 D $ 11.82 95,171 ( 3 ) D Common Stock 12/31/2017 01/03/2018 D 23,695 D $ 0 ( 4 ) 71,476 ( 5 ) 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 Stock Options (Right to buy) $ 47.99 12/31/2017 01/03/2018 A 3,950 12/20/2016 12/20/2026 Common Stock 3,950 $ 0 19,747 ( 6 ) D Stock Options (Right to buy) $ 19.35 12/31/2017 01/03/2018 A 3,950 12/15/2016 12/15/2026 Common Stock 3,950 $ 0 19,747 ( 6 ) D Stock Options (Right to buy) $ 19.35 12/31/2017 01/03/2018 D 11,847 12/15/2016 12/15/2026 Common Stock 11,847 ( 7 ) 7,900 D Stock Options (Right to buy) $ 47.99 12/31/2018 01/03/2018 D 11,847 12/20/2016 12/20/2026 Common Stock 11,847 ( 7 ) 7,900 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Brunnert David J. 1301 MCKINNEY STREET SUITE 1800 HOUSTON, TX77010 SVP & COO Signatures By: Katherine I. Hargis, Attorney-in-Fact for David J. Brunnert 01/08/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each share of Common Stock represents an award of restricted stock units that shall be settled upon vesting in one share of the Company's Common Stock upon the vesting of the underlying award. ( 2 )Each share of Common Stock represents the settlement of a performance share unit award that became vested on 12/31/2017. ( 3 )The original filing misstated the number of unvested restricted stock units. The correct number of shares of Common Stock beneficially owned includes 83,695 unvested restricted stock units granted under the 2016 Plan. ( 4 )The units were cancelled by mutual agreement of the reporting person and the Company. The reporting person received a grant of restricted stock units and performance share units as consideration for the cancellation. ( 5 )The original filing misstated the number of unvested restricted stock units. The correct number of shares of Common Stock beneficially owned includes 60,000 unvested shares of restricted stock units granted under the 2016 Plan. ( 6 )The reporting person was granted an option to purchase 15,797 shares of Common Stock. This tranche of the option was scheduled to vest based on the Company's satisfaction of certain performance criteria for the fiscal year 2017. The performance criteria for 2017 were met, resulting in vesting of this tranche of the option. ( 7 )The option was cancelled by mutual agreement of the reporting person and the Company. The reporting person received a grant of restricted stock units and performance share units as consideration for the cancellation.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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