Extraction Oil & Gas (XOG) 10-Q 2019 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION OF

CHIEF EXECUTIVE OFFICER UNDER SECTION 906 OF THE

SARBANES OXLEY ACT OF 2002, 18 U.S.C. § 1350

In connection with the Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2019 of Extraction Oil & Gas, Inc. (the “Company”), as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Matthew R. Owens, President and Acting Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

(1)the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 7, 2019	/S/ MATTHEW R. OWENS
	Matthew R. Owens
	President and Acting Chief Executive Officer
	(Principal Executive Officer)