<SEC-DOCUMENT>0000101778-20-000063-index.html : 20200409
<SEC-HEADER>0000101778-20-000063.hdr.sgml : 20200409
<ACCEPTANCE-DATETIME>20200409163937
ACCESSION NUMBER:		0000101778-20-000063
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		11
FILED AS OF DATE:		20200409
DATE AS OF CHANGE:		20200409
EFFECTIVENESS DATE:		20200409

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARATHON OIL CORP
		CENTRAL INDEX KEY:			0000101778
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				250996816
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05153
		FILM NUMBER:		20784924

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 3128
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77253-3128
		BUSINESS PHONE:		7136296600

	MAIL ADDRESS:	
		STREET 1:		5555 SAN FELIPE ROAD
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	USX CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITED STATES STEEL CORP/DE
		DATE OF NAME CHANGE:	19860714
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>mro-defa14ax2020.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: mro-defa14ax2020.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>arrowa10.jpg
<TEXT>
Document 2 - file: arrowa10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>arrowa11.jpg
<TEXT>
Document 3 - file: arrowa11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>capturea21.jpg
<TEXT>
Document 4 - file: capturea21.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image1a05.jpg
<TEXT>
Document 5 - file: image1a05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>mrologoa21.jpg
<TEXT>
Document 6 - file: mrologoa21.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>nagraphic2020.jpg
<TEXT>
Document 7 - file: nagraphic2020.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>nagraphic2020a01.jpg
<TEXT>
Document 8 - file: nagraphic2020a01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>nagraphic2020a03.jpg
<TEXT>
Document 9 - file: nagraphic2020a03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>nagraphic2020a04.jpg
<TEXT>
Document 10 - file: nagraphic2020a04.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>scantoa03.jpg
<TEXT>
Document 11 - file: scantoa03.jpg

</DOCUMENT>
</SEC-DOCUMENT>