Company: AOSL
Filing Date: 2025-09-18
Form Type: DEF 14A
Source: 0001387467-25-000054
Chunk: 4

Company: ALPHA & OMEGA SEMICONDUCTOR Ltd
Filing Date: 2025-09-18
Form: DEF 14A
Chunk 4
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30, 2025, and a form of proxy) within three to five business days from the date of receipt of such request.

Our Board asks you to appoint Mr. Stephen C. Chang, our Chief Executive Officer, and Yifan Liang, our Chief Financial Officer and Corporate Secretary, as your proxy holders to vote your shares at the Annual Meeting. You may make this appointment by properly completing the enclosed proxy as described below. If appointed by you, your shares represented by a properly completed proxy received by us will be voted at the Annual Meeting in the manner specified in the proxy card or, if no instructions are marked on the proxy card, your shares will be voted as described below. Although management does not know of any other matter to be acted upon at the Annual Meeting, unless contrary instructions are given, shares represented by valid proxies will be voted by the persons named on the accompanying proxy card in the manner the proxy holders deem appropriate for any other matters that may properly come before the Annual Meeting, including any adjournment of the Annual Meeting if Proposal 5 is approved.

We maintain our registered office in Bermuda at Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda. Our telephone number in the United States is (408) 830-9742. The mailing address of our business offices in the United States is 475 Oakmead Parkway, Sunnyvale, CA 94085.

#### Record Date and Shares Outstanding
The record date for the Annual Meeting has been set as the close of business on September 12, 2025 (the “Record Date”). Only shareholders of record as of such date will be entitled to notice of and to vote at the meeting, including at any adjournment or postponement thereof. On the Record Date, there were 30,043,040 issued and outstanding common shares, par value $0.002 per share (“common shares” or “shares”). Each issued common share is entitled to one vote on the proposals to be voted on at the Annual Meeting. Shares held as of the Record Date include common shares that are held directly in your name as the shareholder of record and those shares held for you as a beneficial owner through a broker, bank, trust or other nominee.

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### QUESTIONS AND ANSWERS RELATING TO THE ANNUAL GENERAL MEETING

#### Why did I receive these materials?
Only our shareholders as of the close of business on September 12, 2025, which we refer to as the