Century Aluminum of Kentucky Labor Proposal Not Ratified by Steelworkers

MONTEREY, CA--(Marketwire - October 29, 2010) - Century Aluminum of Kentucky, a
wholly owned subsidiary of Century Aluminum Company (NASDAQ: CENX), was
informed by the United Steelworkers today that the company's contract proposal
covering approximately 500 hourly workers at the Hawesville aluminum smelter
was not ratified by the membership of USW Local 9423. 

"We regret our employee's decision to reject what we believe to be a fair and
equitable contract proposal," said plant manager Matt Powell. "The plant is
operating normally and we will discuss next steps with the union leadership as
appropriate." 
Century Aluminum Company owns primary aluminum capacity in the United States
and Iceland. Century's corporate offices are located in Monterey, California. 

Cautionary Statement 
This press release may contain "forward-looking statements" within the meaning
of U.S. federal securities laws. The company has based its forward-looking
statements on current expectations and projections about the future; however,
these statements are subject to risks, uncertainties and assumptions, any of
which could cause the company's actual results to differ materially from those
expressed in its forward-looking statements, including whether or not the
company will be able to reach a new labor agreement with United Steelworkers
and whether or not discussions with the United Steelworkers will continue. More
information about these risks, uncertainties and assumptions can be found in
the risk factors and forward-looking statements cautionary language contained
in the company's Annual Report on Form 10-K and in other filings made with the
Securities and Exchange Commission. The company does not undertake, and
specifically disclaims, any obligation to revise any forward-look ing
statements to reflect the occurrence of anticipated or unanticipated events or
circumstances after the date such forward-looking statements are made. 

Certified Advisors for the First North market of the OMX Nordic Exchange
Iceland hf. for Global Depositary Receipts in Iceland: 

Atli B. Gudmundsson, Senior Manager - Corporate Finance, NBI hf.
Steingrimur Helgason, Director - Corporate Finance, NBI hf. 

Contacts:

Media
Mike Dildine
831-642-9364

Investors
Shelly Lair
831-642-9357