Century Aluminum Company - Company Announcement

Century Aluminum Subsidiary and Steelworkers Announce Second Contract Extension

MONTEREY, CA--(Marketwire - April 14, 2010) - Century Aluminum of Kentucky, a
wholly owned subsidiary of Century Aluminum Company (NASDAQ: CENX), and the
United Steelworkers, have agreed to a second extension of the labor contract
covering the Hawesville, Kentucky smelter operations. The agreement is now
extended to May 4, 2010 at 12:01 a.m. The contract, which covers approximately
500 hourly workers at the Hawesville smelter, was originally scheduled to
expire on March 31, 2010. 

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. 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-looking 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.