<SEC-DOCUMENT>0000764065-23-000147-index.html : 20230822
<SEC-HEADER>0000764065-23-000147.hdr.sgml : 20230822
<ACCEPTANCE-DATETIME>20230822152408
ACCESSION NUMBER:		0000764065-23-000147
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20230822
DATE AS OF CHANGE:		20230822

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED STATES STEEL CORP
		CENTRAL INDEX KEY:			0001163302
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		IRS NUMBER:				251897152
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16811
		FILM NUMBER:		231193214

	BUSINESS ADDRESS:	
		STREET 1:		600 GRANT ST
		STREET 2:		ROOM 1500
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219-2800
		BUSINESS PHONE:		415 433 2967

	MAIL ADDRESS:	
		STREET 1:		600 GRANT STREET
		CITY:			PITTSBURGH
		STATE:			X1
		ZIP:			15219-2800

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITED STATES STEEL LLC
		DATE OF NAME CHANGE:	20011205

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CLEVELAND-CLIFFS INC.
		CENTRAL INDEX KEY:			0000764065
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
		IRS NUMBER:				341464672
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		200 PUBLIC SQUARE
		STREET 2:		STE. 3300
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44114-2315
		BUSINESS PHONE:		216-694-5700

	MAIL ADDRESS:	
		STREET 1:		200 PUBLIC SQUARE
		STREET 2:		STE. 3300
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44114-2315

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CLIFFS NATURAL RESOURCES INC.
		DATE OF NAME CHANGE:	20081015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CLEVELAND CLIFFS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>425
<SEQUENCE>1
<FILENAME>a20230822-425.htm
<DESCRIPTION>425
<TEXT>
Document 1 - file: a20230822-425.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>a20230822-425lettertouss001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: a20230822-425lettertouss001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>a20230822-425lettertouss002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: a20230822-425lettertouss002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>a20230822-425ussresponse001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: a20230822-425ussresponse001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>a20230822-425ussresponse002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: a20230822-425ussresponse002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>a20230822-425xnoticeunderu.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: a20230822-425xnoticeunderu.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>a20230822-425xnoticeunderua.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: a20230822-425xnoticeunderua.jpg

</DOCUMENT>
</SEC-DOCUMENT>