WESTERN DIGITAL CORP — Director's Dealing 2004

Nov 23, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTERN DIGITAL CORP (WDC)
CIK: 0000106040
Period of Report: 2004-11-18

Reporting Person: BOOTH I MACALLISTER (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-11-18	Common Stock	M	2100	—	Acquired	22311	Direct
2004-11-18	Common Stock	M	2100	—	Acquired	24411	Direct
2004-11-18	Common Stock	D	4200	$8.85	Disposed	20211	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-11-18	Phantom Stock	$0	M	2100	Disposed	2006-04-01	Common Stock (2100)	Direct
2004-11-18	Phantom Stock	$0	M	2100	Disposed	2007-01-01	Common Stock (2100)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	24108	Indirect

Footnotes

F1: The phantom stock units were previously granted to the reporting person pursuant to the issuer's Non-Employee Directors Restricted Stock Unit Plan. On the reporting person's termination of services as a director on November 18, 2004, the phantom stock units became payable to the reporting person in cash in accordance with that Plan.

F2: 1-for-1