Century Aluminum Company (CENX) Proxy Filing summary

Executive summary

• Annual meeting scheduled for June 16, 2025, at 8:30 a.m. Central Time in Chicago.

• Shareholders are encouraged to vote by June 15, 2025, or June 11, 2025, for plan-held shares.

• Proxy materials and annual report are available online or by request before June 2, 2025.

Voting matters and shareholder proposals

• Election of seven directors is up for shareholder vote, with board recommending all nominees.

• Ratification of Deloitte & Touche LLP as independent auditor for fiscal year ending December 31, 2025.

• Advisory vote on executive compensation (say-on-pay) is included.

• Approval of the 2025 Century Aluminum Company Incentive Plan is proposed.

• Proxies are authorized to vote on any other business that may arise at the meeting.

Board of directors and corporate governance

• Seven director nominees are listed for election: Jarl Berntzen, Jennifer Bush, Jesse Gary, Errol Glasser, Wilhelm van Jaarsveld, Andrew Michelmore, and Tamla Olivier.