<SEC-DOCUMENT>0001193125-14-441417-index.html : 20141212
<SEC-HEADER>0001193125-14-441417.hdr.sgml : 20141212
<ACCEPTANCE-DATETIME>20141212172659
ACCESSION NUMBER:		0001193125-14-441417
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20141212
DATE AS OF CHANGE:		20141212
GROUP MEMBERS:		MPC INVESTMENT LLC
GROUP MEMBERS:		MPLX LOGISTICS HOLDINGS LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MPLX LP
		CENTRAL INDEX KEY:			0001552000
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				455010536
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87226
		FILM NUMBER:		141284458

	BUSINESS ADDRESS:	
		STREET 1:		200 E. HARDIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840
		BUSINESS PHONE:		(419) 421-2159

	MAIL ADDRESS:	
		STREET 1:		200 E. HARDIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Marathon Petroleum Corp
		CENTRAL INDEX KEY:			0001510295
		STANDARD INDUSTRIAL CLASSIFICATION:	PETROLEUM REFINING [2911]
		IRS NUMBER:				271284632
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		539 SOUTH MAIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840-3229
		BUSINESS PHONE:		419-422-2121

	MAIL ADDRESS:	
		STREET 1:		539 SOUTH MAIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840-3229
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>d837821dsc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: d837821dsc13da.htm
</DOCUMENT> </SEC-DOCUMENT>