Exhibit 32.1

CERTIFICATE OF PRINCIPAL EXECUTIVE OFFICER

Pursuant to Section 906(a) of the Sarbanes-Oxley Act of 2002

Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18 United States Code

The undersigned, being the Principal Executive Officer of Midcoast Holdings, L.L.C., as general partner of Midcoast Energy Partners, L.P., hereby certifies that our Annual Report on Form 10-K for the fiscal year ended December 31, 2014 (the “Annual Report”) filed with the United States Securities and Exchange Commission pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)), as amended, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that the information contained in the Annual Report fairly presents, in all material respects, the financial condition and results of operations of Midcoast Energy Partners, L.P.

Date: February 18, 2015	By:	/s/ C. Gregory Harper
		C. Gregory Harper
		President (Principal Executive Officer) Midcoast Holdings, L.L.C. (as the General Partner)