 CHICAGO, July 19, 2021 GLOBE NEWSWIRE -- Century Aluminum Company NASDAQ: CENX, announced today its wholly-owned subsidiary, Norðurál Grundartangi ehf, has successfully reached an agreement with Landsvirkjun, the National Power Company in Iceland, to extend its existing 161 MW power contract by three years through 2026. The extension will increase the contract to 182 MW over time to provide the necessary flexibility to support the most recent capacity creep requirements and future growth opportunities for value-added products at the plant. 