| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lydon-Rodgers Jean | Director | C/O ATI INC., 2021 MCKINNEY AVE., SUITE 1100, DALLAS | /s/ Amanda J. Skov, Attorney-in-Fact for Jean Lydon-Rodgers | 12 Nov 2025 | 0002096540 |
No securities are beneficially owned.