Century Aluminum Company announced that its Board of Directors increased the size of the Board from five to six members on December 6, 2021 and appointed Jennifer (Jenny) Bush as an independent director effective immediately with a term expiring at Century’s annual meeting of stockholders in 2022. Ms. Bush has been with Cummins Inc. since 1997 and has been serving as the Vice President, Cummins Sales and Service, North America since 2017.