[Panjit] Our company is invited to participate in an institutional investor conference hosted by President Securities

Clause 4, Item XX applies: 12 Date of occurrence: 2026/05/15 1. Date of the institutional investor conference: 2026/05/15 2. Time of the institutional investor conference: 2:00 PM 3. Location of the institutional investor conference: President Securities Group Building (No. 8, Dongxing Rd., Songshan Dist., Taipei City) 4. Summary of the institutional investor conference: Our company has been invited to participate in an institutional investor conference hosted by President Securities. 5. Other matters to be specified: None For complete financial and business information, please refer to the institutional investor conference summary or the investor conference section on the Market Observation Post System.