Management Change/Compensation Form 8 K

Robert Soderbery will cease to serve as Executive Vice President and General Manager, Flash Business, of Western Digital Corporation (the "Company"), effective January 2, 2025, at which time his employment with the company will terminate. Pursuant to the terms and conditions of the Company's Amended and Restated Executive Severance Plan (the "Severance Plan"), the material terms of which have been previously disclosed and a copy previously filed with the SEC, Mr. Soderbery is entitled to receive Tier I severance benefits under the Severance Plan (the "Severance Benefits"). Mr. Soderbery's receipt of the Severance Benefits is subject to his non-revocationof a general release of claims.