EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

Pursuant to 18 U.S.C. Section 1350, the undersigned officer of Parker Drilling Company (the “Company) hereby certifies, to such officer’s knowledge, that:

1.	The Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (the “Report) fully complies with the requirements of section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

2.	The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

Dated: February 21, 2018

/s/ Gary G. Rich

Gary G. Rich

Chairman, President and Chief Executive Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350 and is not being filed as part of the Report or as a separate disclosure statement.