Unassociated Document
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
SCHEDULE 13G
(Rule 13d-102)
 
Information Statement Pursuant to Rules 13d-1 and 13d-2
Under the Securities Exchange Act of 1934
(Amendment No. )*
 
 
 
Century Aluminum Company
(Name of Issuer)
 
Common Stock
(Title of Class of Securities)
 
156431108
(CUSIP Number)
 
January 30, 2008
Date of Event Which Requires Filing of the Statement
 
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
 
o
Rule 13d-1(b)
x
Rule 13d-1(c)
o
Rule 13d-1(d)
 
*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.
 
The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
 
1

Cusip No. 156431108
13G
Page 2 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Investment Group, L.L.C.
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Delaware limited liability company
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(1) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
OO; HC
 
 
 
 
 
 
 
 
(1)
Based on 40,973,805 outstanding shares of the Common Stock of Issuer, as reported in the Issuer’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2007, as filed with the Securities and Exchange Commission on November 9, 2007.

2
 
Cusip No. 156431108
13G
Page 3 of 17 Pages
  
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Investment Group II, L.L.C.
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Delaware limited liability company
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(2) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
OO; HC
 
 
 
 
 
 
 
 
 
(2)
See footnote 1 above.

3
 
Cusip No. 156431108
13G
Page 4 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Limited Partnership
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Delaware limited partnership
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(3)as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
PN; HC
 
 
 
 
 
 
 
 
 
(3)
See footnote 1 above.
 
4
 
Cusip No. 156431108
13G
Page 5 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Kenneth Griffin
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
U.S. Citizen
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(4) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
IN; HC
 
 
 
 
 
 
 
 
 
(4)
See footnote 1 above.

5
 
Cusip No. 156431108
13G
Page 6 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Holdings I LP
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Delaware limited partnership
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(5) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
PN; HC
 
 
 
 
 
 
 
 
(5) See footnote 1 above.
 
6
 
Cusip No. 156431108
13G
Page 7 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Holdings II LP
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Delaware limited partnership
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(6) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
PN; HC
 
 
 
 
 
 
 
 
(6) See footnote 1 above.

7
 
Cusip No. 156431108
13G
Page 8 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Advisors LLC
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Delaware limited liability company
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(7) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
OO; HC
 
 
 
 
 
 
 
 
(7) See footnote 1 above.

8
 
Cusip No. 156431108
13G
Page 9 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Equity Fund Ltd.
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Cayman Islands company
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(8) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
CO
 
 
 
 
 
 
 

 
(8)
See footnote 1 above.
 
9
 
Cusip No. 156431108
13G
Page 10 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Derivatives Group LLC
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Delaware limited liability company
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(9) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
OO; BD
 
 
 
 
 
 
 

(9) See footnote 1 above.

10
 
Cusip No. 156431108
13G
Page 11 of 17 Pages
 
 
 
 
 
 
 
 
 
 
 
1.
NAME OF REPORTING PERSON
 
 
 
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
 
 
 
 
 
 
 
 
Citadel Derivatives Trading Ltd.
 
 
 
 
 
 
 
 
 
 
 
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
x
 
 
 
(b)
o
 
 
 
 
 
 
 
 
 
3.
SEC USE ONLY
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
 
 
 
 
 
 
 
 
 
Cayman Islands company
 
 
 
 
 
 
 
 
NUMBER OF
5.
SOLE VOTING POWER
SHARES
 
 
 
BENEFICIALLY
 
0
 
OWNED BY
 
 
 
EACH
 
 
 
REPORTING
6.
SHARED VOTING POWER
PERSON
 
 
 
WITH:
 
2,152,677 shares
 
 
 
 
 
 
 
 
7.
SOLE DISPOSITIVE POWER
 
 
 
 
 
0
 
 
 
 
8.
SHARED DISPOSITIVE POWER
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
 
 
 
 
 
 
 
 
See Row 6 above.
 
 
 
 
 
 
 
 
 
 
 
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
 
 
 
CERTAIN SHARES (SEE INSTRUCTIONS)
 
o
 
 
 
 
 
 
 
 
 
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
 
 
 
 
 
 
 
 
Approximately 5.3%(10) as of the date of this filing
 
 
 
 
 
 
 
 
 
 
 
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
 
 
 
 
 
 
 
 
CO
 
 
 
 
 
 
 

(10) See footnote 1 above.
 
11
 
Cusip No. 156431108
13G
Page 12 of 17 Pages
 
Item 1(a)
Name of Issuer: CENTURY ALUMINUM COMPANY
 1(b)
Address of Issuer’s Principal Executive Offices:
 
 
2511 Garden Road
Building A, Suite 200
Monterey, California 93940
   
Item 2(a)
Name of Person Filing(11)
Item 2(b)
Address of Principal Business Office
Item 2(c)
Citizenship
 
 
Citadel Investment Group, L.L.C.
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Delaware limited liability company
   
 
Citadel Investment Group II, L.L.C.
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Delaware limited liability company
   
 
Citadel Limited Partnership
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Delaware limited partnership
   
 
Kenneth Griffin
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
U.S. Citizen
   
 
Citadel Holdings I LP
 
c/o Citadel Investment Group II, L.L.C.
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Delaware limited partnership
 
(11) Citadel Holdings Ltd., a Cayman Islands company (“CH”), is majority owned by Citadel Kensington Global Strategies Fund Ltd., a Bermuda company (“CKGSF”). Citadel Equity Fund Ltd. (“CEF”) is a subsidiary of CH. CKGSF and CH do not have control over the voting or disposition of securities held by CEF. Citadel Derivatives Group LLC (“CDG”) is majority owned by Citadel Derivatives Group Investors, LLC, a Delaware limited liability company (“CDGI”). CDGI does not have control over the voting or disposition of securities held by CDG. Citadel Derivatives Trading Ltd. (“CDT”) is majority owned by CLP Holdings LLC, a Delaware limited liability company (“CLPH”). CLPH does not have control over the voting or disposition of securities held by CDT.

12
 
Cusip No. 156431108
13G
Page 13 of 17 Pages
 
 
Citadel Holdings II LP
 
c/o Citadel Investment Group II, L.L.C.
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Delaware limited partnership
   
 
Citadel Advisors LLC
 
c/o Citadel Investment Group II, L.L.C.
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Delaware limited liability company
   
 
Citadel Equity Fund Ltd.
 
c/o Citadel Investment Group, L.L.C.
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Cayman Islands company
   
 
Citadel Derivatives Group LLC
 
c/o Citadel Investment Group II, L.L.C.
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Delaware limited liability company

 
Citadel Derivatives Trading Ltd.
 
c/o Citadel Investment Group II, L.L.C.
 
131 S. Dearborn Street
 
32nd Floor
 
Chicago, Illinois 60603
 
Cayman Islands company
   
 
13
 
Cusip No. 156431108
13G
Page 14 of 17 Pages
 
2(d)
Title of Class of Securities:
Common Stock, par value $0.01
 
2(e)
CUSIP Number:
  156431108
 
Item 3
If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

 
(a)
 
[__]
 
Broker or dealer registered under Section 15 of the Exchange Act;
 
 
(b)
 
[__]
 
Bank as defined in Section 3(a)(6) of the Exchange Act;
 
 
(c)
 
[__]
 
Insurance company as defined in Section 3(a)(19) of the Exchange Act;
 
 
(d)
 
[__]
 
Investment company registered under Section 8 of the Investment Company Act;
 
 
(e)
 
[__]
 
An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
 
 
(f)
 
[__]
 
An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
 
 
(g)
 
[__]
 
A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
 
 
(h)
 
[__]
 
A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
 
 
(i)
 
[__]
 
A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
 
 
(j)
 
[__]
 
Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
 
 
  If this statement is filed pursuant to Rule 13d-1(c), check this box. x
   
Item 4
Ownership:
 
CITADEL INVESTMENT GROUP, L.L.C.
CITADEL INVESTMENT GROUP II, L.L.C.
CITADEL LIMITED PARTNERSHIP
KENNETH GRIFFIN
CITADEL HOLDINGS I LP
CITADEL HOLDINGS II LP
CITADEL ADVISORS LLC
CITADEL EQUITY FUND LTD.
CITADEL DERIVATIVES GROUP LLC
CITADEL DERIVATIVES TRADING LTD.
 
 
(a)
Amount beneficially owned:
   
2,152,677 shares
  
   
 
(b)
Percent of Class:
 
Approximately 5.3%(12) as of the date of this filing
 
 
(c)
Number of shares as to which such person has:
     
   
(i)
sole power to vote or to direct the vote:
       
   
 
 0

(12) See footnote 1 above.
 
14
 
Cusip No. 156431108
13G
Page 15 of 17 Pages
 
   
(ii)
 
shared power to vote or to direct the vote:
 
 
 
 
   See Item 4(a) above.
 
 
 
(iii)
 
sole power to dispose or to direct the disposition of:
 
   
 
 
0
 
 
 
(iv)
 
shared power to dispose or to direct the disposition of:
 
 
 
 
   See Item 4(a) above.
 
Item 5
Ownership of Five Percent or Less of a Class:
   
 
Not Applicable.
   
Item 6
Ownership of More than Five Percent on Behalf of Another Person:
   
 
Not Applicable.
   
Item 7
Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company:
   
 
See Item 2 above.
   
Item 8
Identification and Classification of Members of the Group:
   
 
Not Applicable.
   
Item 9
Notice of Dissolution of Group:
   
 
Not Applicable.
   
Item 10
Certification:
 
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.
 
* John C. Nagel is signing on behalf of Kenneth Griffin as attorney-in-fact pursuant to a power of attorney previously filed with the Securities and Exchange Commission on February 24, 2006, and hereby incorporated by reference herein. The power of attorney was filed as an attachment to a filing by Citadel Limited Partnership on Schedule 13G for Morgans Hotel Group Co.
 
15
 
Cusip No. 156431108
13G
Page 16 of 17 Pages
 
KENNETH GRIFFIN
  
CITADEL EQUITY FUND LTD.
         
By: 
/s/ John C. Nagel
  
By:
Citadel Limited Partnership,
 
John C. Nagel, attorney-in-fact*
    
its Portfolio Manager
         
CITADEL LIMITED PARTNERSHIP
  
By:
Citadel Investment Group, L.L.C.,
       
its General Partner
By:
Citadel Investment Group, L.L.C.,
      
 
its General Partner
  
By:
/s/ John C. Nagel
       
John C. Nagel, Authorized Signatory
By:
/s/ John C. Nagel
      
 
John C. Nagel, Authorized Signatory
  
CITADEL INVESTMENT GROUP, L.L.C.
         
CITADEL DERIVATIVES GROUP LLC
  
By:
/s/ John C. Nagel
       
John C. Nagel, Authorized Signatory
By:
Citadel Holdings I LP,
      
 
its Manager
  
CITADEL DERIVATIVES TRADING LTD.
         
By:
Citadel Investment Group II, L.L.C.,
  
By:
Citadel Advisors LLC,
 
its General Partner
    
its Portfolio Manager
         
By:
/s/ John C. Nagel
  
By:
Citadel Holdings II LP,
 
John C. Nagel, Authorized Signatory
    
its Sole Managing Member
         
CITADEL INVESTMENT GROUP II, L.L.C.
  
By:
Citadel Investment Group II, L.L.C.,
       
its General Partner
By:
/s/ John C. Nagel
      
 
John C. Nagel, Authorized Signatory
  
By:
/s/ John C. Nagel
       
John C. Nagel, Authorized Signatory
CITADEL HOLDINGS I LP      
         
By:  Citadel Investment Group II, L.L.C.,      
  its General Partner      
         
By:
 /s/ John C. Nagel         
  John C. Nagel, Authorized Signatory      
 
16
 
Cusip No. 156431108
13G
Page 17 of 17 Pages
 
CITADEL HOLDINGS II LP
  
CITADEL ADVISORS LLC
         
By:
Citadel Investment Group II, L.L.C.,
  
By:
Citadel Holdings II LP,
 
its General Partner
    
its Sole Managing Member
         
By:
/s/ John C. Nagel
  
By:
Citadel Investment Group II, L.L.C.,
 
John C. Nagel, Authorized Signatory
    
its General Partner
         
     
By:
/s/ John C. Nagel
       
John C. Nagel, Authorized Signatory
 
17