CENTURY ALUMINUM (CENX $11.00, rated OVERWEIGHT; price target lowered to $22/share from $24/share) HIGHER COSTS AND LOWER ESTIMATED VOLUMES HURT 2011 EARNINGS; COMMENCEMENT OF HELGUVIK PRODUCTION DELAYED BY TWO YEARS TO APRIL, 2014 9/6/2011

CENTURY ALUMINUM (CENX $11.00, rated OVERWEIGHT; price target lowered to
$22/share from $24/share) HIGHER COSTS AND LOWER ESTIMATED VOLUMES
HURT 2011 EARNINGS; COMMENCEMENT OF HELGUVIK PRODUCTION
DELAYED BY TWO YEARS TO APRIL, 2014   9/6/2011