Winning-Power Innovation to Participate in Capital Securities' Online Investor Briefing on June 17, 2026

In accordance with Article 4, Clause XX: 12 Factual Date: 115/06/17

1. Date of the investor briefing: 115/06/17 2. Time of the investor briefing: 14:30 3. Location of the investor briefing: Online investor meeting 4. Summary of the investor briefing: Winning-Power Innovation has been invited to participate in the online investor briefing hosted by Capital Securities on June 17, 2026, to present the company's Q1 2026 operational results and future outlook to investors. 5. Other disclosures: This event will be conducted via Webex video conference. Online registration URL: https://www.surveycake.com/s/1qoPB For complete financial and business information, please visit the Public Information Observation Station's investor briefing schedule or related briefing sections.