TAI-CHUN Invited to Corporate Briefing to Present Q1 2026 Operational Results

In compliance with Article 4, Paragraph XX: 12. Date of Fact Occurrence: 115/05/08 (2026/05/08) 1. Date of Corporate Briefing: 115/05/08 (2026/05/08) 2. Time of Corporate Briefing: 16:00 3. Location of Corporate Briefing: To be held via Webex online conference. 4. Key Information from the Corporate Briefing: (1) Our company has been invited by KGI Securities to participate in a corporate briefing to present our operational results for Q1 2026. (2) Registration URL: https://pse.is/8zfuq2. (3) Event Inquiries: Ms. Cheng, KGI Securities, Phone: 02-2181-8167, E-mail: janice.cheng@kgi.com. 5. Other Matters to be Noted: Information related to the corporate briefing can be viewed on our company's official website. For complete financial and business information, please refer to the list of corporate briefings or the corporate briefing section on the Public Information Observation Station.