[Yuan Zhan] Our company has been invited to participate in the institutional investor conference hosted by Taishin Securities

Fits Article 4, Item XX: 12 Date of occurrence: 2026/05/12 1. Date of institutional investor conference: 2026/05/12 2. Time of institutional investor conference: 14:00 3. Location of institutional investor conference: 1st Floor, No. 209, Section 1, Fuxing South Road, Daan District, Taipei City 4. Summary of institutional investor conference: Our company has been invited to participate in the institutional investor conference hosted by Taishin 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 list of institutional investor conferences or the conference section on the Market Observation Post System.