<SEC-DOCUMENT>0000949157-21-000071-index.html : 20210422
<SEC-HEADER>0000949157-21-000071.hdr.sgml : 20210422
<ACCEPTANCE-DATETIME>20210422161329
ACCESSION NUMBER:		0000949157-21-000071
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		8
CONFORMED PERIOD OF REPORT:	20210614
FILED AS OF DATE:		20210422
DATE AS OF CHANGE:		20210422

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CENTURY ALUMINUM CO
		CENTRAL INDEX KEY:			0000949157
		STANDARD INDUSTRIAL CLASSIFICATION:	PRIMARY PRODUCTION OF ALUMINUM [3334]
		IRS NUMBER:				133070826
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34474
		FILM NUMBER:		21844935

	BUSINESS ADDRESS:	
		STREET 1:		1 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3126963101

	MAIL ADDRESS:	
		STREET 1:		1 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a2020proxystatement.htm
<DESCRIPTION>DEF 14A - 2021 PROXY STATEMENT
<TEXT>
Document 1 - file: a2020proxystatement.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>capture111a.gif
<TEXT>
Document 2 - file: capture111a.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>capture1a.gif
<TEXT>
Document 3 - file: capture1a.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>centurylogo20181a.jpg
<TEXT>
Document 4 - file: centurylogo20181a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>chart-0464e3c7369b46c88001a.jpg
<TEXT>
Document 5 - file: chart-0464e3c7369b46c88001a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>image2fordefa-proxy1.gif
<TEXT>
Document 6 - file: image2fordefa-proxy1.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>imagefordef14a-proxy1.gif
<TEXT>
Document 7 - file: imagefordef14a-proxy1.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>jegsignature1a.jpg
<TEXT>
Document 8 - file: jegsignature1a.jpg

</DOCUMENT>
</SEC-DOCUMENT>