Alpha and Omega Semiconductor Limited ("AOS") (Nasdaq: AOSL), today announced its participation in the 17^th Annual CEO Investor Summit 2025, being held Tuesday, October 7^th at The Arrogant Butcher restaurant in Phoenix, Arizona.

About the 17^th Annual CEO Investor Summit 2025

The CEO Investor Summit is held annually each year during the SEMICON West industry trade show. For the first time, SEMICON West and the CEO Investor Summit will take place in downtown Phoenix, Arizona in October 2025. The CEO Investor Summit will take place on Tuesday, October 7^th (the first day of SEMICON West) at The Arrogant Butcher restaurant, located adjacent to the Phoenix Convention Center. Event details include:

The CEO Investor Summit is collectively hosted and funded by participating companies and 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 12 management teams during the small group meeting sessions, the networking luncheon, and the concluding cocktail reception.

The 12 management teams collectively hosting the 17^th Annual CEO Investor Summit 2025 include: ACM Research (ACMR), Aehr Test Systems (AEHR), Alpha & Omega Semiconductor (AOSL), Bitdeer Technologies (BTDR), Cohu, Inc. (COHU), FormFactor (FORM), Ichor Systems (ICHR), Kulicke & Soffa (KLIC), Lasertec ADR (LSRCY), Photronics (PLAB), QuickLogic (QUIK) and SkyWater Technology (SKYT). Stifel and TD Cowen 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 September 26, 2025.

RSVP Contacts for 17^th Annual CEO Investor Summit 2025

To RSVP for the CEO Investor Summit, please visit the CEO Summit Events website or 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, 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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