ALPHA & OMEGA SEMICONDUCTOR Ltd — Director's Dealing 2023

May 16, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)
CIK: 0001387467
Period of Report: 2023-05-12

Reporting Person: Xue Bing (EVP-WW Sales & Bus Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-12	Common Share	S	3226	$23.9553	Disposed	72565	Direct

Footnotes

F1: The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 14, 2023.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.6900 to $24.3750, inclusive. The Reporting Person undertakes to provide to Alpha and Omega Semiconductor Limited, any security holder of Alpha and Omega Semiconductor Limited, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3: Includes an aggregate of 44,750 shares subject to Restricted Share Unit awards (RSU) granted on March 16, 2020, March 15, 2021, August 12, 2021, March 15, 2022, and March 15, 2023 which will be issued as such units vest in accordance with their terms, and excludes 18,390 unvested common shares subject to the PSU granted on March 15, 2023, which may become vested upon achievement of certain corporate performance goals in the future.

F4: Includes 8,707 unvested shares subject to the PSU granted on March 15, 2022 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person.

F5: Reflects 662 shares acquired under the Issuer's Employee Stock Purchase Plan on May 12, 2023.