| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bush Jennifer Mary | Director | C/O CENTURY ALUMINUM COMPANY, 1 S. WACKER DRIVE, SUITE 1000, CHICAGO | /s/ Paul Sharobeem, as attorney in fact for Jennifer Bush | 2025-06-18 | 0001897517 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CENX | Common Stock | Award | $0 | +7.78K | +19.9% | $0.00 | 46.9K | Jun 16, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents annual grant of restricted stock units ("RSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer's next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award. |
| F2 | Includes shares of common stock issuable pursuant to vested RSUs, the settlement of which have been deferred pursuant to an annual deferral election previously made by the Reporting Person. |