Contango Oil & Gas (MCF) 10-K 2017 FY Annual report

Exhibit 32.1

CONTANGO OIL & GAS COMPANY

 CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Contango Oil & Gas Company (the “Company”) on Form 10-K for the year ended December 31, 2017 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, Allan D. Keel, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

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 9, 2018	By:	/S/    ALLAN D. KEEL
		Allan D. Keel President and Chief Executive Officer (Principal Executive Officer)