Alpha and Omega Semiconductor Announces Participation in 18th Annual CEO Investor Summit

Company-Hosted Investor Conference to be Held Concurrently with SEMICON West in San Francisco

Alpha and Omega Semiconductor Limited ("AOS") (Nasdaq: AOSL), today announced management’s participation in the 18th Annual CEO Investor Summit, being held Tuesday, October 13th, 2026 at the St. Regis Hotel in San Francisco, California.

About the 18^th Annual CEO Investor Summit 2026

The CEO Investor Summit is held annually each year during the SEMICON West industry trade show. Collectively hosted and funded by participating companies, the CEO Investor Summit features a “round-robin” format consisting of small group meetings with company management teams. During the event, investors and analysts will have the opportunity to meet with the majority of the 11 management teams during the small group meeting sessions and networking events.

The 11 management teams collectively hosting the 18^th Annual CEO Investor Summit include: ACM Research (ACMR), Aehr Test Systems (AEHR), Alpha & Omega Semiconductor (AOSL), Cohu, Inc. (COHU), FormFactor (FORM), Ichor Systems (ICHR), InTEST Corporation (INTT), Kulicke & Soffa (KLIC), Photronics (PLAB), QuickLogic (QUIK), and SkyWater Technology, an IonQ company (IONQ). B Riley Securities, Jefferies and Stifel are sponsors of the conference.

Attendance at the CEO Investor Summit is by invitation only and is available solely to accredited investors and publishing research analysts. As space is limited, please RSVP early. Hosts reserve the right to limit attendance as necessary. Last day for registration is October 2, 2026.

RSVP Contacts for 18^th Annual CEO Investor Summit 2026

To RSVP for the CEO Investor Summit, please visit the CEO Summit Events website or contact either of the event co-chairs:

To RSVP for the CEO Investor Summit, please contact either of the event co-chairs

Laura J. Guerrant-Oiye
Phone: (808) 960-2642
Email: lauraoiye@gmail.com

Claire E. McAdams
Phone: (530) 265-9899
Email: claire@headgatepartners.com

About Alpha and Omega Semiconductor

Alpha and Omega Semiconductor Limited, or AOS, is a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap power devices, power management ICs, and modules, including a wide portfolio of Power MOSFET, SiC, GaN, IGBT, IPM, TVS, HV Gate Drivers, Power IC, and Digital Power products. AOS has developed extensive intellectual property and technical knowledge that encompasses the latest advancements in the power semiconductor industry, which enables us to introduce innovative products to address the increasingly complex power requirements of advanced electronics. AOS differentiates itself by integrating its Discrete and IC semiconductor process technology, product design, and advanced packaging know-how to develop high-performance power management solutions. AOS’ portfolio of products targets high-volume applications, including personal computers, graphics cards, data centers, AI servers, smartphones, consumer and industrial motor controls, TVs, lighting, automotive electronics, and power supply units for various equipment. For more information, please visit www.aosmd.com.

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