<SEC-DOCUMENT>0001209191-19-044127-index.html : 20190801
<SEC-HEADER>0001209191-19-044127.hdr.sgml : 20190801
<ACCEPTANCE-DATETIME>20190801194653
ACCESSION NUMBER:		0001209191-19-044127
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190730
FILED AS OF DATE:		20190801
DATE AS OF CHANGE:		20190801

REPORTING-OWNER:	

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

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35714
		FILM NUMBER:		19994134

	BUSINESS ADDRESS:	
		STREET 1:		539 SOUTH MAIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840-3229
		BUSINESS PHONE:		419-421-2159

	MAIL ADDRESS:	
		STREET 1:		539 SOUTH MAIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840-3229

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tesoro Alaska Co LLC
		CENTRAL INDEX KEY:			0000911614
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35714
		FILM NUMBER:		19994135

	BUSINESS ADDRESS:	
		STREET 1:		539 SOUTH MAIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840-3229
		BUSINESS PHONE:		419-421-2159

	MAIL ADDRESS:	
		STREET 1:		539 SOUTH MAIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840-3229

	FORMER NAME:	
		FORMER CONFORMED NAME:	Tesoro Alaska Pipeline Co LLC
		DATE OF NAME CHANGE:	20160223

	FORMER NAME:	
		FORMER CONFORMED NAME:	TESORO ALASKA Co LLC
		DATE OF NAME CHANGE:	20141007

	FORMER NAME:	
		FORMER CONFORMED NAME:	TESORO ALASKA CO
		DATE OF NAME CHANGE:	20010716

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MPLX LP
		CENTRAL INDEX KEY:			0001552000
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				270005456
		FISCAL YEAR END:			1231

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>