Exhibit 32.1

CERTIFICATION OF

CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

UNDER SECTION 906 OF THE

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

In connection with this annual report on Form 10-K of Energy XXI Gulf Coast, Inc. (the “Company”), as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Douglas E. Brooks, Chief Executive Officer of the Company and Tiffany Thom Cepak, Chief Financial Officer of the Company, each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his or her 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:  March 21, 2018

/s/ DOUGLAS E. BROOKS

Douglas E. Brooks

Chief Executive Officer

Date:  March 21, 2018

/s/ TIFFANY THOM CEPAK 

Tiffany Thom Cepak

Chief Financial Officer