[Taimac Opto] The Company is invited to participate in an online investor conference hosted by Fubon Securities

In accordance with Article 4, Paragraph XX, Item 12: Date of occurrence of the event: 2026/04/30 1. Date of investor conference: 2026/04/30 2. Time of investor conference: 14:00 3. Location of investor conference: Online meeting 4. Summary of investor conference: The company is invited to participate in an online investor conference hosted by Fubon Securities to explain the company's operational status. 5. Other matters to be specified: None For complete financial and business information, please refer to the investor conference list or investor conference section on the Market Observation Post System.