| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chong Kian Fatt | EVP Global Operations | SEAGATE TECHNOLOGY PLC, 47488 KATO ROAD, FREMONT | /s/ Louis J. Thorson, Attorney-in-Fact for Kian Fatt Chong | 15 Sep 2025 | 0001987421 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STX | Ordinary Shares | Options Exercise | $0 | +678 | +15% | $0.000000 | 5,062 | 11 Sep 2025 | Direct | |
| transaction | STX | Ordinary Shares | Options Exercise | $0 | +2,016 | +40% | $0.000000 | 7,078 | 14 Sep 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STX | Restricted Share Unit | Options Exercise | $0 | -678 | -11% | $0.000000 | 5,426 | 11 Sep 2025 | Ordinary Shares | 678 | $0.000000 | Direct | F1 |
| transaction | STX | Performance-Based Restricted Share Units | Award | $0 | +2,016 | $0.000000 | 2,016 | 14 Sep 2025 | Ordinary Shares | 2,016 | $0.000000 | Direct | F2 | |
| transaction | STX | Performance-Based Restricted Share Units | Options Exercise | $0 | -2,016 | -100% | $0.000000 | 0 | 14 Sep 2025 | Ordinary Shares | 2,016 | $0.000000 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Consists of a grant of restricted share units awarded to the reporting person under the Seagate Technology plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years. |
| F2 | On September 14, 2025, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 2,016 of the 2,150 Performance Share Units granted on September 9, 2022. The 2,016 Ordinary Shares vested on September 14, 2025. |