[U-Ming] U-Ming to participate in the 'Taiwan Puyu Index' investor conference co-hosted by SinoPac Securities and TWSE

Subject to Article 4, Clause XX: 12 Fact occurrence date: May 22, 2026 (115/05/22) 1. Date of investor conference: May 22, 2026 2. Time of investor conference: 14:00 3. Venue of investor conference: TWSE Information Exhibition Center, 1F, Taipei 101 (No. 7, Sec. 5, Xinyi Rd., Xinyi Dist., Taipei City) 4. Brief details of the conference: The company is invited to participate in the 'Taiwan Puyu Index' investor conference co-organized by SinoPac Securities and the Taiwan Stock Exchange. 5. Other matters: Presentation materials are disclosed in the investor conference section of the MOPS (Market Observation Post System). For complete financial and operational information, please visit the MOPS investor conference lists or section.