| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Johnson Samuel Williams | SVP, Services Business | ULTRA CLEAN HOLDINGS, INC., 26462 CORPORATE AVE., HAYWARD | /s/ Paul Y. Cho, as attorney-in-fact for Samuel W. Johnson | 25 Aug 2025 | 0002083305 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | UCTT | Common Stock | 12,345 | 15 Aug 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents restricted stock units that were previously granted to the reporting person that vest in three equal annual installments, subject to the reporting person's continued employment through each such vesting date. |
Exhibit 24 - Power of Attorney