Sec Form 4 Filing - Duplantier Jon-Al @ PARKER DRILLING CO /DE/ - 2020-03-26

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 Duplantier Jon-Al 2. Issuer Name and Ticker or Trading Symbol PARKER DRILLING CO /DE/ [ PKD] 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) 5 GREENWAY PLAZA, SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 03/26/2020 (Street) HOUSTON, TX77046 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 03/26/2020 M 7,322 A 11,104 D Common Stock 03/26/2020 M 7,322 A 18,426 D Common Stock 03/26/2020 F 2,857 D $ 30 15,569 D Common Stock 03/26/2020 D 7,322 D $ 30 8,247 D 401K Common Stock 17 I By 401(k) Plan

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 Units ( 1 ) 03/26/2020 M 7,322 ( 3 ) ( 3 ) Common Stock 7,322 ( 1 ) 14,644 D Phantom Stock Units ( 2 ) 03/26/2020 M 7,322 ( 3 ) ( 3 ) Common Stock 7,322 ( 2 ) 14,644 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Duplantier Jon-Al 5 GREENWAY PLAZA, SUITE 100 HOUSTON, TX77046 See Remarks Signatures /s/ Jon-Al Duplantier 03/27/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit represents a contingent right to receive one share of common stock of Parker Drilling Company (the "Issuer"). ( 2 )Each phantom stock unit represents a contingent right to receive a cash amount equivalent to the fair market value of one share of the Issuer's common stock on the settlement date. ( 3 )On February 21, 2020, the Issuer and the Reporting Person agreed to amend and restate the award agreement concerning the restricted stock units to convert one-half of the restricted stock units into phantom stock units. The restricted stock units and phantom stock units will vest in equal installments on each of March 26, 2020, March 26, 2021 and March 26, 2022. The restricted stock units and phantom stock units do not expire. The vested restricted stock units will settle in shares of Issuer common stock, and the vested phantom stock units will settle in cash at the fair market value of the equivalent number of shares of Issuer common stock, with such settlement to occur as soon as practicable following each applicable vesting date.

Remarks: President, Rental Tools and Well Services

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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