[Tong Hsing] Participating in the 'Fubon Annual Forum' Hosted by Fubon Securities

In accordance with Article 4, Paragraph XX: 12 Date of occurrence: 115/05/28 (May 28, 2026) 1. Date of investor conference: 115/05/28 2. Time of investor conference: 09:00 AM 3. Location of investor conference: Grand Hyatt Taipei 4. Key information of investor conference: The company has been invited to participate in the 'Fubon Annual Forum' hosted by Fubon Securities to explain information regarding the company's financial figures and operating performance already disclosed in our investor conference materials. 5. Other notes: None For complete financial and operational information, please visit the investor conference list or the investor conference section on the Market Observation Post System.