Exhibit 32.1

Certification

I, Joseph N. Jaggers, Chief Executive Officer and President of Jagged Peak Energy Inc. (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

1. the Quarterly Report on Form 10-Q of the Company for the quarter ended March 31, 2017 (the “Report”) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); 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:	May 11, 2017	/s/ JOSEPH N. JAGGERS
		Name:	Joseph N. Jaggers
		Title:	Chief Executive Officer and President