Company: CENX
Filing Date: 2025-04-25
Form Type: DEF 14A
Source: 0001552781-25-000153
Chunk: 87

Company: CENTURY ALUMINUM CO
Filing Date: 2025-04-25
Form: DEF 14A
Chunk 87
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 a Qualifying Termination during the Change in Control Protection Period, all outstanding awards or Substitute Awards held by the participant to the extent not vested as of such Qualifying Termination shall become fully vested, and if applicable, exercisable and free of restrictions; provided, that the amount earned and payable under any Award subject to performance objectives shall be determined as provided in the applicable Award Agreement., or if not so determined in the Award Agreement, in an amount equal to the target Award. Article 18
Amendment, Modification, Suspension, and Termination 18.1 Amendment, Modification, Suspension, and Termination. Subject to Section 18.3, the Board may, at any time and from time to time, alter, amend, modify, suspend, or terminate this Plan and any Award Agreement in whole or in part, subject to any requirement of stockholder approval imposed by Applicable Law. 18.2 Adjustment of Awards Upon the Occurrence of Certain Unusual or Nonrecurring Events. The Committee may make adjustments in the terms and conditions of, and the criteria included in, Awards in recognition of unusual or nonrecurring events (including, without limitation, the events described in Section 4.3 and 17.1) affecting the Company or the financial statements of the Company or of changes in Applicable Laws, regulations, or accounting principles, whenever the Committee determines

| 2025            
 Proxy Statement | A-16 |

that such adjustments are appropriate in order to prevent unintended dilution or enlargement of the benefits or potential benefits intended to be made available under this Plan. The determination of the Committee as to the foregoing adjustments, if any, shall be conclusive and binding on Participants under this Plan. Notwithstanding the foregoing, the Committee shall not, directly or indirectly, reduce the Option Price of an Option or Grant Price of an SAR unless such reduction is permitted by Section 3.5 and satisfies the requirements of Treasury Regulation Section 1.409A-1(b)(5)(v)(D) (if applicable) or other Applicable Law. 18.3 Awards Previously Granted. Notwithstanding any other provision of this Plan to the contrary (other than Section 4.2, Article 17 and Section 18.4), no termination, amendment, suspension, or modification of this Plan or an Award Agreement shall adversely affect in any material way any Award previously granted under this Plan, without the written consent of the Participant holding such Award. 18.4 Amendment to Conform to Law. Notwithstanding any other