[Yageo] Participation in 'HSBC Taiwan Conference 2026'

Compliance with Article 4, Section XX: 12. Date of occurrence: 115/06/01. 1. Date of investor conference: 115/06/01. 2. Time of conference: 16:00. 3. Location: Grand Hyatt Taipei. 4. Summary of the conference: The company was invited to participate in the 'HSBC Taiwan Conference 2026' held by HSBC on 115/06/01 to explain the company's operations and industry overview to institutional investors. 5. Other matters: Please visit the company website at www.yageo.com/zh-TW/Download/Index/investor_conference#bottom_link_title. For complete financial and business information, please refer to the investor conference list or the investor conference section on the Market Observation Post System.