| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lee James CI | EVP & CLO | SEAGATE TECHNOLOGY PLC, 47488 KATO ROAD, FREMONT | /s/ Louis J. Thorson, Attorney-in-fact for James C. Lee | 26 Jan 2026 | 0001773423 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STX | Ordinary Shares | Options Exercise | $0 | +1,237 | +481% | $0.000000 | 1,494 | 22 Jan 2026 | Direct | |
| transaction | STX | Ordinary Shares | Tax liability | $195,443 | -564 | -38% | $346.53 | 930 | 22 Jan 2026 | 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 | -1,237 | -9.1% | $0.000000 | 12,376 | 22 Jan 2026 | Ordinary Shares | 1,237 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each restricted share unit ("RSU") represents a contingent right to receive one Ordinary Share of the Issuer. |
| F2 | Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Such RSUs vested as to one-quarter of the shares on July 22, 2025 and then in equal quarterly installments thereafter. |