EXHIBIT 31.1:
CERTIFICATION
I, Michael A. Bless, certify that:
1) I have reviewed this annual report on Form 10-K/A of Century Aluminum Company;
2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
| Date: April 30, 2012 | | /s/ Michael A. Bless |
| | | Name: | Michael A. Bless |
| | | Title: | President and Chief Executive Officer (Principal Executive Officer and Principal Financial Officer) |
