FORM 4
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of
1935 or Section 30(h) of the Investment Company Act of 1940
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Subject to section 16
1. Name and Address of Reporting Person
Glencore AG BAARERMATTSTRASSE 3 PO BOX 666 BAAR, V8 CH-6341
2. Issuer Name and Ticker or Trading Symbol: CENTURY ALUMINUM CO [CENX]
3. Date of Earliest Transaction (Month/Day/Year): 06/30/2011
4. If Amendment, Date Original Filed (Month/Day/Year):
5. Relationship of Reporting Person(s) to Issuer
_____ Director
__X__ 10% Owner
_____ Officer (give title below)
_____ Other (specify below)
/
6. Individual or Joint/Group Reporting
___ Form Filed by One Reporting Person
_X_ Form Filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security: Common Stock
2. Transaction Date (Month/Day/Year): 06/30/2011
2A. Deemed Execution Date, if any (Month/Day/Year):
3. Transaction Code: C
4. Securities Acquired (A) or Disposed of (D): A
Securities Acquired or Disposed of (Amount): 47,059
Securities Acquired or Disposed of (Price): NaN(1)(2)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s): 36,421,117
6. Ownership Form: Direct (D) or Indirect (I): D(3)
7. Nature of Indirect Beneficial Ownership:
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security: Series A Convertible Preferred Stock
2. Conversion or Exercise Price of Derivative Security: NaN(2)
