Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - MPLX LPFinancial_Report.xls
EX-31.1 - EX-31.1 - MPLX LPmplx-2014630xex311.htm
EX-31.2 - EX-31.2 - MPLX LPmplx-2014630xex312.htm
EX-32.2 - EX-32.2 - MPLX LPmplx-2014630xex322.htm
10-Q - 10-Q - MPLX LPmplx-2014630x10q.htm


Exhibit 32.1
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 Quarterly Report of MPLX LP (the “Partnership”) on Form 10-Q for the period ended June 30, 2014 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Gary R. Heminger, Chairman of the Board of Directors and Chief Executive Officer of MPLX GP LLC, the general partner of the Partnership, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

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

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


August 4, 2014
 
 
 
 
 
/s/ Gary R. Heminger
 
 
Gary R. Heminger
 
 
Chairman of the Board of Directors and Chief
Executive Officer of MPLX GP LLC
(the general partner of MPLX LP)