Company: CENX
Filing Date: 2025-04-25
Form Type: DEF 14A
Source: 0001552781-25-000153
Chunk: 94

Company: CENTURY ALUMINUM CO
Filing Date: 2025-04-25
Form: DEF 14A
Chunk 94
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 in settlement thereof, with the Company’s approval, or paid by him or her in satisfaction of any judgment in any such action, suit, or proceeding against him or her, provided he or she shall give the Company an opportunity, at its own expense, to handle and defend the same before he or she undertakes to handle and defend it on his/her own behalf, unless such loss, cost, liability, or expense is a result of his/her own willful misconduct or except as expressly provided by statute. The foregoing right of indemnification shall not be exclusive of any other rights of indemnification to which such individuals may be entitled under the Company’s Certificate of Incorporation, by-laws or its organizational regulations, as a matter of law, or otherwise, or any power that the Company may have to indemnify them or hold them harmless.

| 2025            
 Proxy Statement | A-20 |

Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: KEEP
THIS PORTION FOR YOUR RECORDS THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. DETACH AND RETURN THIS PORTION ONLY V73986-P27858 !
! ! For All Withhold All For All Except For Against Abstain ! ! ! ! ! ! ! ! ! To withhold authority to vote for any individual nominee(s),
mark "For All Except" and write the number(s) of the nominee(s) on the line below. Nominees: 01) Jarl Berntzen 02) Jennifer Bush 03) Jesse
Gary 04) Errol Glasser 05) Wilhelm van Jaarsveld 06) Andrew Michelmore 07) Tamla Olivier 2. Proposal to ratify the appointment of Deloitte
& Touche LLP as the Company's independent registered accounting firm for the fiscal year ending December 31, 2025. 3. Proposal to
approve, on an advisory basis, the compensation of the named executive officers. 4. Proposal to approve the 2025 Century Aluminum Company
Incentive Plan. 1. Election of Directors Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator,
or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation
or partnership, please sign in full corporate or partnership name by authorized