| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Davis Brian Scott | Chief Sales & Mrktng Officer | C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE | By: /s/ Sandra Garcia Attorney-in-Fact For: Brian Scott Davis | 05 Mar 2026 | 0002057091 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WDC | Common Stock | Options Exercise | +23 | +0.02% | $0.000000* | 120,044 | 03 Mar 2026 | Direct | F1 | |
| transaction | WDC | Common Stock | Tax liability | -3,526 | -2.9% | $250.61* | 116,518 | 03 Mar 2026 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WDC | Dividend Equivalent Rights | Options Exercise | -24 | -11% | $0.000000* | 191 | 03 Mar 2026 | Common Stock | 24 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right. |
| F2 | Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |