| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Carolin Roger Anthony | Director | 7 GREAT VALLEY PARKWAY,, SUITE 190, MALVERN | Mark N. Rogers, Attorney-in-Fact for Roger A. Carolin | 2025-06-27 | 0001351909 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMKR | Restricted Stock Units | Award | $0 | +33.4 | +0.38% | $0.00 | 8.84K | Jun 25, 2025 | Common Stock | 33.4 | Direct | F1 | |
| transaction | AMKR | Restricted Stock Units | Award | $0 | +38.5 | +0.39% | $0.00 | 9.83K | Jun 25, 2025 | Common Stock | 38.5 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents dividend equivalent units ("DEUs") accrued upon the payment of a dividend on June 25, 2025 with respect to time-vested restricted stock units ("RSUs") of Amkor Technology, Inc. (the "Issuer") granted to the Reporting Person on May 16, 2023. Each DEU represents an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued. |
| F2 | Represents DEUs accrued upon the payment of a dividend on June 25, 2025 with respect to RSUs of the Issuer granted to the Reporting Person on May 15, 2025. Each DEU represents an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued. |