Century Aluminum Company (Century Aluminum) is a holding company engaged in producing aluminum. The Company’s principal subsidiaries are Century Aluminum of West Virginia, Inc. (Century of West Virginia), Berkeley Aluminum, Inc. (Berkeley), Century Kentucky, Inc. (Century Kentucky) and Nordural ehf (Nordural). Century of West Virginia operates a primary aluminum reduction facility in Ravenswood, West Virginia (Ravenswood). Berkeley holds a 49.7% interest in a partnership, which operates a primary aluminum reduction facility in Mt. Holly, South Carolina (Mt. Holly) and a 49.7% undivided interest in the property, plant, and equipment comprising Mt. Holly. The remaining interest in the partnership and the remaining undivided interest in Mt. Holly are owned by Alumax of South Carolina, Inc., a subsidiary of Alcoa (ASC).