[TECO] The Company is invited to participate in the Q2 2026 Industry Forum hosted by Cathay Securities

Compliance with Article 4, Paragraph XX: 12. Date of occurrence: 2026/05/27. 1. Date of the investor conference: 2026/05/27. 2. Time of the investor conference: 13:30 PM. 3. Location of the investor conference: Grand Hyatt Taipei. 4. Summary of the investor conference: The company has been invited to participate in the 'Q2 2026 Industry Forum' hosted by Cathay Securities to provide an update on the company's operational status. 5. Other matters: 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.