| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Richardson Scott A | CEO & President, Director | C/O CELANESE CORPORATION, 222 W LAS COLINAS BLVD., SUITE 900N, IRVING | /s/ Adam R. Santosuosso, Attorney-in-Fact for Scott A. Richardson | 18 Feb 2026 | 0001731988 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CE | Common Stock | Award | $0 | +3,336 | +4.7% | $0.000000 | 73,785 | 15 Feb 2026 | Direct | F1 |
| transaction | CE | Common Stock | Tax liability | $58,470 | -989 | -1.3% | $59.12 | 72,796 | 15 Feb 2026 | Direct | F2 |
| holding | CE | Common Stock | 596 | 15 Feb 2026 | by 401(k) Plan |
| Id | Content |
|---|---|
| F1 | Represents performance-based restricted stock units ("PRSUs") granted to the reporting person on February 8, 2023 under the Company's 2018 Global Incentive Plan, as amended, which have vested and been settled. |
| F2 | Shares withheld for the payment of taxes on the vesting and settlement of PRSUs. |