ALPHA & OMEGA SEMICONDUCTOR Ltd — Director's Dealing 2012

Jul 31, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
CIK: 0001387467
Period of Report: 2012-07-26

Reporting Person: Chang Mike F (Director, Chief Executive Officer, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-07-26	Common Shares	F	288	$7.81	Disposed	4158831	Direct

Footnotes

F1: Shares withheld to satisy the Issuer's tax withholding obligation upon the vesting of restricted stock units.

F2: Includes (i) 11,750 shares subject to a restricted stock unit award granted on April 26, 2012 that will be issued as those units vest and (ii) 875 shares acquired under the Issuer's Employee Stock Purchase Plan on May 14, 2012.