<SEC-DOCUMENT>0000876661-19-000386-index.html : 20190424
<SEC-HEADER>0000876661-19-000386.hdr.sgml : 20190424
<ACCEPTANCE-DATETIME>20190424113711
ACCESSION NUMBER:		0000876661-19-000386
CONFORMED SUBMISSION TYPE:	25-NSE
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20190424
DATE AS OF CHANGE:		20190424
EFFECTIVENESS DATE:		20190424

SUBJECT COMPANY:	

	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:		25-NSE
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08864
		FILM NUMBER:		19763078

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NYSE CHICAGO, INC.
		CENTRAL INDEX KEY:			0000876882
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		25-NSE

	BUSINESS ADDRESS:	
		STREET 1:		440 S. LaSalle Street
		STREET 2:		Suite 800
		CITY:			Chicago
		STATE:			IL
		ZIP:			60605
		BUSINESS PHONE:		312-663-2980

	MAIL ADDRESS:	
		STREET 1:		440 S. LaSalle Street
		STREET 2:		Suite 800
		CITY:			Chicago
		STATE:			IL
		ZIP:			60605

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MIDWEST STOCK EXCHANGE INC/132-129/
		DATE OF NAME CHANGE:	20010712

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHICAGO STOCK EXCHANGE INC
		DATE OF NAME CHANGE:	19910703
</SEC-HEADER>
<DOCUMENT>
<TYPE>25-NSE
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.25
<SEQUENCE>2
<FILENAME>usgcommon.txt
<TEXT>
Document 2 - file: usgcommon.txt

</DOCUMENT>
</SEC-DOCUMENT>