Wang Pin to Participate in Taiwan Stock Exchange's 2026 "Jade Index" Themed Performance Briefing

In compliance with Article 4, Section XX, Item 12. Date of occurrence: 2026/05/21. 1. Date of investor conference: 2026/05/21. 2. Time of investor conference: 14:00. 3. Location of investor conference: Information Exhibition Center, 1st Floor, Taiwan Stock Exchange (Taipei 101 Tower), No. 7, Section 5, Xinyi Road, Xinyi District, Taipei City. 4. Summary of investor conference: The company has been invited to participate in the "Jade Index" themed performance briefing held by the Taiwan Stock Exchange for the year 115 (2026). 5. Other remarks: None. For complete financial and business information, please refer to the investor conference list or the investor conference section on the Market Observation Post System.