[SanShuRui-KY] Invitation to Attend an Investor Conference Hosted by Fubon Securities

Article 4, Clause XX, Paragraph 12 Date of event occurrence: 2026/05/29 1. Date of the investor conference: 2026/05/29 2. Time of the investor conference: 14:30 3. Location of the investor conference: 15F, Fubon Financial Building (No. 169, Sec. 4, Ren'ai Rd., Taipei City) 4. Summary of the investor conference: The company has been invited to participate in the investor conference hosted by Fubon Securities to explain financial and business information for the first quarter of 2026. 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 (MOPS).