<SEC-DOCUMENT>0001193125-18-269190-index.html : 20180907
<SEC-HEADER>0001193125-18-269190.hdr.sgml : 20180907
<ACCEPTANCE-DATETIME>20180907161105
ACCESSION NUMBER:		0001193125-18-269190
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180907
DATE AS OF CHANGE:		20180907
EFFECTIVENESS DATE:		20180907

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			USG CORP
		CENTRAL INDEX KEY:			0000757011
		STANDARD INDUSTRIAL CLASSIFICATION:	CONCRETE GYPSUM  PLASTER PRODUCTS [3270]
		IRS NUMBER:				363329400
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08864
		FILM NUMBER:		181060276

	BUSINESS ADDRESS:	
		STREET 1:		550 WEST ADAMS STREET
		STREET 2:		DEPARTMENT 188
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60661
		BUSINESS PHONE:		312-606-4000

	MAIL ADDRESS:	
		STREET 1:		DEPARTMENT #188
		STREET 2:		550 WEST ADAMS STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60661
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d598878ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d598878ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g598878dsp003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g598878dsp003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g598878dsp004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g598878dsp004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g598878dsp005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g598878dsp005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g598878dsp006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g598878dsp006.jpg

</DOCUMENT>
</SEC-DOCUMENT>