[PSMC] Announces Company's Q1 2026 Investor Conference

Conforms to Clause 4, Article XX: 12 Date of fact occurrence: 115/04/21 1. Date of investor conference: 115/04/21 2. Time of investor conference: 15:00 3. Location of investor conference: Online 4. Key information from the investor conference: (1) Company's Q1 2026 financial and operational report. (2) Participation method: https://www.itvcloud.org/Investor/Live/Index/psmc 5. Other matters to be disclosed: None. For complete financial and business information, please refer to the list of investor conferences or conference items on the Public Information Observatory.