Company: CENX
Filing Date: 2025-04-25
Form Type: DEFA14A
Source: 0001552781-25-000154
Chunk: 0

Company: CENTURY ALUMINUM CO
Filing Date: 2025-04-25
Form: DEFA14A
Chunk 0
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<div align='center'>UNITED STATESSECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934 (Amendment No. )</div>

| ☒ | Filed by the Registrant | ☐ | Filed by a Party other than the Registrant |

| Check the appropriate box: |                                                                                 |
| ☐                          | Preliminary Proxy Statement                                                     |
| ☐                          | CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14a-6(e)(2)) |
| ☒                          | Definitive Proxy Statement                                                      |
| ☐                          | Definitive Additional Materials                                                 |
| ☐                          | Soliciting Material Under Rule 14a-12                                           |

<div align='center'>Company Name, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other than the Registrant)</div>

| Payment of Filing Fee (Check the appropriate box): |                                                                                                      |
| ☒                                                  | No fee required.                                                                                     |
| ☐                                                  | Fee paid previously with preliminary materials.                                                      |
| ☐                                                  | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

Your Vote Counts! *Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need
to request a ballot to vote these shares. Smartphone users Point your camera here and vote without entering a control number For complete
information and to vote, visit www.ProxyVote.com Control 

# V73992-P27858 CENTURY ALUMINUM COMPANY 1 SOUTH WACKER DRIVE SUITE 1000 CHICAGO,
IL 60606 CENTURY ALUMINUM COMPANY You invested in CENTURY ALUMINUM COMPANY and it’s time to vote! You have the right to vote on
proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder
meeting to be held on June 16, 2025 at 8:30 a.m. Central Time. Get informed before you vote View Century’s 2025 Proxy Statement
and Annual Report on Form 10-K online OR you can receive a free paper or email copy of the material(s