Company: AOSL
Filing Date: 2025-09-18
Form Type: DEF 14A
Source: 0001387467-25-000054
Chunk: 103

Company: ALPHA & OMEGA SEMICONDUCTOR Ltd
Filing Date: 2025-09-18
Form: DEF 14A
Chunk 103
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 of the Board of Directors, |

Mike F. Chang

Chairman of the Board of Directors

Dated September 18, 2025

<div align='center'>75</div>

### ALPHA & OMEGA SEMICONDUCTOR LIMITED

#### 2018 OMNIBUS INCENTIVE PLAN
<div align='center'>(As amended and restated effective November 11, 2025)</div>

## ARTICLE 1

## GENERAL PROVISIONS

#### 1.1 PURPOSE OF THE PLAN
This 2018 Omnibus Incentive Plan (the “Plan”) is intended to promote the interests of Alpha and Omega Semiconductor Limited, a company incorporated and existing under the laws of the Islands of Bermuda, by providing eligible persons in the Company’s employ or service with the opportunity to acquire a proprietary interest, or otherwise increase their proprietary interest, in the Company as an incentive for them to continue in such employ or service.

The Plan serves as the successor to the Company’s 2009 Share Option/Share Issuance Plan (the “Predecessor Plan”), and no further awards shall be made under the Predecessor Plan on or after the Plan Effective Date. All awards outstanding under the Predecessor Plan on the Plan Effective Date shall remain outstanding under the Predecessor Plan and shall continue to be governed solely by the terms of the documents evidencing such award, and no provision of the Plan shall be deemed to affect or otherwise modify the rights or obligations of the holders of such awards.

Capitalized terms shall have the meanings assigned to such terms in the attached Appendix.

#### 1.2 TYPES OF AWARDS
Awards may be made under the Plan in the form of (i) options, (ii) share appreciation rights, (iii) share awards, (iv) restricted share units, (v) dividend equivalent rights and (vi) other share-based awards.

#### 1.3 ADMINISTRATION OF THE PLAN
(a) The Compensation Committee shall have sole and exclusive authority to administer the Plan with respect to Section 16 Insiders. Administration of the Plan with respect to all other persons eligible to participate in the Plan may, at the Board’s discretion, be vested in the Compensation Committee or a Secondary Board Committee, or the Board may retain the power to administer those programs with respect to such persons. To the extent permitted by law, the Board or the Compensation Committee may delegate any or all of its authority to administer the Plan with respect to one or more classes of eligible persons (other than