WESTERN DIGITAL CORP — Director's Dealing 2025

Mar 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTERN DIGITAL CORP (WDC)
CIK: 0000106040
Period of Report: 2025-02-28

Reporting Person: JABRE WISSAM G (EVP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-28	Common Stock	A	74039	$0.0	Acquired	335672	Direct

Footnotes

F1: Represents performance-based restricted stock units that have been earned by the Reporting Person as a result of the deemed satisfaction of the related performance conditions in connection with the Spin-Off (as defined below). These stock units are scheduled to vest on August 20, 2025.

F2: Includes 90 shares acquired under the Issuer's Employee Stock Purchase Plan on February 5, 2025 and 51,472 additional stock units acquired by the Reporting Person in connection with the Issuer's spin-off (the "Spin-Off") of a then-wholly owned subsidiary of the Issuer on February 21, 2025. Pursuant to an Employee Matters Agreement, at the effective time of the Spin-Off, each outstanding Issuer stock unit was adjusted and converted into additional stock units based on the equity conversion ratio of 1.452526 per every Issuer stock unit.