WESTERN DIGITAL CORP — Director's Dealing 2012

Dec 22, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTERN DIGITAL CORP (WDC)
CIK: 0000106040
Period of Report: 2012-12-19

Reporting Person: KIMSEY WILLIAM L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-19	Common Stock	M	8292	$15.34	Acquired	50489	Direct
2012-12-19	Common Stock	S	8292	$41	Disposed	42197	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-12-19	Non-Qualified Stock Option (right to buy)	$15.34	S	8292	Disposed	2015-11-06	Common Stock (8292)	Direct

Footnotes

F1: The option vested 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.