AOSL · ALPHA & OMEGA SEMICONDUCTOR Ltd

Alpha and Omega Semiconductor Limited ("AOS") (Nasdaq: AOSL) today announced that the company will release its financial results for the fiscal fourth quarter and fiscal year ended June 30, 2026 on Wednesday, August 12, 2026, after the market closes. The press release will be followed by a conference call and live webcast at 2:00 p.m. PT / 5:00 p.m. ET, which will be open to the public. During the conference call, the company will review the financial results and discuss other business matters. To listen to the live conference call, please dial +1 (585) 542 9983 or +1 (833) 461 5787 if dialing from outside the United States and Canada. The meeting ID is 506 402 980. A live webcast of the call will also be available in the "Events & Presentations" section of the company's investor relations website, http://investor.aosmd.com . The webcast replay will be available for up to one year after the live call on the same website. About Alpha and Omega Semiconductor Alpha and Omega

Alpha and Omega Semiconductor Limited (“AOS” or the “Company”) (NASDAQ: AOSL), today announced that on July 8, 2026, its Board of Directors (the “Board”), upon recommendation by the Nominating and Corporate Governance Committee, appointed Joshua Chien to serve as an independent director of the Board, effective immediately. “We are pleased and excited that Joshua has decided to join our Board,” said Mr. Stephen Chang, CEO of the Company. “Joshua brings a wealth of experience in business development, supply chain strategy, and operational leadership across the technology and electronics manufacturing industries. His broad perspective, entrepreneurial mindset and proven ability to drive growth will strengthen our Board as we continue to expand our business, execute our strategic priorities and create long-term value for our shareholders.” Mr. Chien currently serves as Executive Vice President, Product & Strategy Officer at Sonatus, Inc., an AI-enabling mobility software company

Innovative vertically stacked packaging DFN6x5 technology in a half-bridge configuration Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide band gap power devices, power management ICs, and modules, today introduced its AOPL66801 80V MOSFET in a half-bridge configuration available in a state-of-the-art DFN6x5 AmpStack™ MOSFET package. This breakthrough packaging technology enables high-density designs for various power conversion applications, ranging from next-gen Megawatt AI factories to everyday power tools. Innovative vertically stacked packaging DFN6x5 technology in a half-bridge configuration Designed to support high power-density requirements, AOS’ new, innovative advanced packaging uses vertically stacked die technology with two MOSFETs connected as a high-side and low-side MOSFET, forming a half-bridge. This configuration effectively increases power density and maximizes

Breakthrough products meet intensifying AI performance, enhanced protection, and thermal management needs while maximizing design flexibility and end-to-end system efficiency Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap power devices, power management ICs, and modules will exhibit its latest power management solutions that meet increasing AI core power, AI data center and industrial power needs at the PCIM Expo 2026. Attendees are invited to see the product advancements that enable developers to overcome design challenges by safely maximizing performance, boosting efficiency, matching board-space limitations, and meeting AI power-delivery requirements. The key application area solutions shown in the AOS booth include: AI Core Power and High-end Computing: AOS introduced several new power management solutions for AI computing, graphics, and next-generation notebook

New Digital Multiphase Controllers and Smart Power Stages deliver industry-leading low quiescent power, extending mobile battery life by up to an hour Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL) a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap power devices, power management ICs, and modules, today announced a new family of digital multiphase controllers: the AOZ71049QI , AOZ71149QI and AOZ71146QI . Specifically engineered for Intel IMVP9.3 Vcore power delivery, these 4-rail controllers—when paired with AOS’s benchmark DrMOS and Smart Power Stage (SPS) technology—provide a complete power solution for the latest Intel Panther Lake and Wildcat Lake mobile processor architectures. New Digital Multiphase Controllers and Smart Power Stages deliver industry-leading low quiescent power, extending mobile battery life by up to an hour The Hybrid Advantage: Digital Tuning, Analog Efficiency The AOZ71049QI series utilizes the

Alpha and Omega Semiconductor Limited (“AOS”) (NASDAQ: AOSL) today reported financial results for the fiscal third quarter of 2026 ended March 31, 2026. The results for the fiscal third quarter of 2026 ended March 31, 2026 were as follows: GAAP Financial Comparison Quarterly (in millions, except percentage and per share data) (unaudited) Three Months Ended March 31, 2026 December 31, 2025 March 31, 2025 Revenue $ 163.8 $ 162.3 $ 164.6 Gross Margin 21.1 % 21.5 % 21.4 % Operating Loss $ (14.1 ) $ (13.6 ) $ (10.7 ) Net Loss $ (13.8 ) $ (13.3 ) $ (10.8 ) Net Loss Per Share - Diluted $ (0.46 ) $ (0.45 ) $ (0.37 )

New DrMOS technology delivers industry-leading peak-to-peak current limiting, ensuring safe and reliable operation for high-demand AI workloads Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL) a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap power devices, power management ICs, and modules, today announced the launch of the SmartClamp™ family of protected DrMOS. Designed specifically for the extreme power demands of AI servers, data centers, and high-end graphics cards, the SmartClamp™ family offers high-accuracy Over Current Protection (OCP) and Negative Current Protection (NCP). The flagship AOZ53228QI provides a unique safeguard for multiphase voltage regulators (VRs), preventing catastrophic failures in environments where high peak currents are the norm. New DrMOS technology delivers industry-leading peak-to-peak current limiting, ensuring safe and reliable operation for high-demand AI workloads In AI applications, peak

Alpha and Omega Semiconductor Limited ("AOS") (Nasdaq: AOSL) today announced that the company will release its financial results for the fiscal third quarter ended March 31, 2026 on Wednesday, May 6, 2026, after the market closes. The press release will be followed by a conference call and live webcast at 2:00 p.m. PT / 5:00 p.m. ET, which will be open to the public. During the conference call, the company will review the financial results and discuss other business matters. To listen to the live conference call, please dial +1 (585) 542 9983 or +1 (833) 461 5787 if dialing from outside the United States and Canada. The meeting ID is 939168866. A live webcast of the call will also be available in the "Events & Presentations" section of the company's investor relations website, http://investor.aosmd.com . The webcast replay will be available for up to one year after the live call on the same website. About Alpha and Omega Semiconductor Alpha and Omega Semiconductor Limited, or AOS

Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap power devices, power management ICs, and modules, today marks a historic expansion of its global manufacturing footprint with the official inauguration of Kaynes Semicon’s state-of-the-art OSAT facility in Sanand, Gujarat. Attended by Hon’ble Prime Minister Narendra Modi, this ceremony marks the successful implementation of AOS’ proprietary IPM5 manufacturing process at the Sanand facility. This milestone initiates high-volume production, aligning AOS’ premier power semiconductor expertise with the strategic objectives of the India Semiconductor Mission. At Alpha and Omega Semiconductor (AOS), our core charter has always been to deliver innovative power management solutions that push the boundaries of efficiency. Today, that vision expands globally with a strategic new foothold in India. Key Highlights: Product Innovation: The

Designed to support high-power density and enhanced thermal performance, new MOSFETs in DFN 3.3x3.3 double-sided cooling source-down packaging feature center gate technology for easier routing on the PCB Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide band gap power devices, power management ICs, and modules, today introduced its AONC40202 25V MOSFET and AONC68816 80V MOSFET that are available in state-of-the-art DFN 3.3x3.3 double-sided cooling source-down packaging. Designed to support high power density in Intermediate Bus Converters (IBC) DC-DC applications in AI Servers, the AONC40202 and AONC68816 meet the stringent thermal requirements of AI servers and data centers. Designed to support high-power density and enhanced thermal performance, new MOSFETs in DFN 3.3x3.3 double-sided cooling source-down packaging feature center gate technology for easier routing on the PCB The

Learn how AOS’ cutting-edge products support intensifying AI performance, deliver enhanced protection and thermal management while maximizing design flexibility and end-to-end system efficiency Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap power devices, power management ICs, and modules will showcase its latest advanced power management solutions that support mounting AI core power, AI factory and industrial power needs at the Applied Power Electronics Conference (APEC). Meet with AOS to learn. These new products offer advanced features that enable designers to meet power management challenges in several key application areas. Booth highlights- AI Core Power: Specifically designed for high-performance GPUs and SoCs used in graphics cards, AI compute, and AI data centers, two new controllers are available. The AOZ73216QI is AOS’ state-of-the-art 16-phase, 2-rail controller

Alpha and Omega Semiconductor Limited (“AOS”) (NASDAQ: AOSL) today reported financial results for the fiscal second quarter of 2026 ended December 31, 2025. The results for the fiscal second quarter of 2026 ended December 31, 2025 were as follows: GAAP Financial Comparison Quarterly (in millions, except percentage and per share data) (unaudited) Three Months Ended December 31, 2025 September 30, 2025 December 31, 2024 Revenue $ 162.3 $ 182.5 $ 173.2 Gross Margin 21.5 % 23.5 % 23.1 % Operating Loss $ (13.6 ) $ (4.6 ) $ (5.9 ) Net Loss $ (13.3 ) $ (2.1 ) $ (6.6 ) Net Loss Per Share - Diluted $ (0.45 ) $ (0.07 ) $ (0.23

First High-Voltage MOSFET Product from the Platform Meets Demands for High Efficiency, Power Density, and Robust Performance in Next‑Gen Power and Solar Inverter Applications Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide band gap power devices, power management ICs, and modules, today unveiled its powerful αMOS E2™ 600V Super Junction MOSFET platform. The first high-voltage product from the newly developed platform is AOS’ AOTL037V60DE2 . 600V MOSFET, designed to meet the growing demand for high efficiency and high-power density across a wide range of applications, including servers, workstations, telecom rectifiers, solar inverters, motor drives, and industrial power systems. First High-Voltage MOSFET Product from the Platform Meets Demands for High Efficiency, Power Density, and Robust Performance in Next‑Gen Power and Solar Inverter Applications The design challenges of today’s

Alpha and Omega Semiconductor Limited ("AOS") (Nasdaq: AOSL) today announced that the company will release its financial results for the fiscal second quarter ended December 31, 2025 on Thursday, February 5, 2026, after the market closes. The press release will be followed by a conference call and live webcast at 2:00 p.m. PT / 5:00 p.m. ET, which will be open to the public. During the conference call, the company will review the financial results and discuss other business matters. To listen to the live conference call, please dial +1 (833) 470 1428 or +1 (404) 975 4839 if dialing from outside the United States and Canada. The access code is 033075. A live webcast of the call will also be available in the "Events & Presentations" section of the company's investor relations website, http://investor.aosmd.com . The webcast replay will be available for seven days after the live call on the same website. A telephone replay of the call will be available approximately two hours after