Company: CENX
Filing Date: 2025-04-25
Form Type: DEF 14A
Source: 0001552781-25-000153
Chunk: 6

Company: CENTURY ALUMINUM CO
Filing Date: 2025-04-25
Form: DEF 14A
Chunk 6
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 our Code of Ethics on behalf of our principal executive officer, principal financial officer, principal accounting officer and persons performing similar functions on our website at www.centuryaluminum.com. Related Party Transactions The Company has a written policy and written procedures for the review, approval and monitoring of transactions involving Century or its subsidiaries and “related parties.” “Related parties” include executive officers, directors and director nominees and any of their respective immediate family members, as well as stockholders owning five percent or greater of our outstanding stock and their immediate family members. The Company’s Statement of Policy Regarding Related Party Transactions is available in the Investor section of the Company’s website, www.centuryaluminum.com , under the tab “Governance.” The Company’s Related Party Transactions Policy applies to any transaction, arrangement or relationship or any series of similar transactions, arrangements or relationships in which Century or any of its subsidiaries was or is to be a participant and where any related party had or will have a direct or indirect interest. Pursuant to the policy, the Audit Committee is responsible for reviewing related party transactions. However, all transactions with Glencore plc or its affiliates (together, “Glencore”) and any other transaction the Audit Committee Chair determines is material to the Company are reviewed by the independent directors, acting as a separate body from our Board. Based on its consideration of all relevant facts and circumstances, whether the transaction is on terms that are fair and reasonable to the Company and whether the transaction is in the business interests of the Company, the Audit Committee or independent directors, as the case may be, will decide whether or not to approve or ratify such transaction. If a related party transaction is submitted for approval after the commencement of the transaction, the Audit Committee or independent directors, as the case may be, will evaluate all options available, including the ratification, rescission or termination of such transaction, if appropriate. The policy defines certain ordinary course, non-material transactions that are pre-approved by the independent directors. The Audit Committee receives quarterly reports of all pre-approved transactions. Please see page 70 for more information regarding our related party transactions in 2024.

| 2025            
 Proxy Statement | 17 |

Corporate Governance Health, Safety and Sustainability The health and safety of our employees and our communities are critically important to us. We are committed to providing a safe working environment for all employees and every visitor to our facilities, and we strive for zero injuries and accidents every day. We believe that best-in-class safety practices and performance produce superior operational and financial performance for the