ALPHA & OMEGA SEMICONDUCTOR Ltd — Director's Dealing 2014

Feb 1, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
CIK: 0001387467
Period of Report: 2014-01-29

Reporting Person: Pfeiffer Michael L (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-01-29	Share Option (right to buy)	$7.21	A	6875	Acquired	2024-01-28	Common Share (6875.0)	Direct

Footnotes

F1: The Option is immediately exercisable for any or all shares. However, any unvested shares are subject to the Company's repurchase rights under the Plan. The shares underlying the Option will vest, and the Company's repurchase right will lapse, on the date of the next succeeding regular annual shareholder's meeting following the grant date if he continues in Board service through such annual meeting date.