[Darfon] Important Subsidiary Taiyu Technology Board of Directors Approves Appointment of Chief Strategy Officer

1. Type of personnel change (Please enter Spokesperson, Deputy Spokesperson, Key Executive Officer (e.g., CEO, COO, CMO, and CSO, etc.), Financial Officer, Accounting Officer, Corporate Governance Officer, Chief Information Security Officer, R&D Officer, Internal Audit Officer, or Litigation and Non-Litigation Agent): Chief Strategy Officer 2. Date of occurrence of the change: 115/06/05 (June 5, 2026) 3. Name, title, and brief resume of the previous holder: Not applicable 4. Name, title, and brief resume of the new holder: Hu Shao-Jung / General Manager, Taiyu Technology Co., Ltd. 5. Circumstances of the change (Please enter "Resignation", "Position Adjustment", "Severance", "Retirement", "Death", "New Appointment", or "Dismissal"): New Appointment 6. Reason for the change: New Appointment 7. Effective date: 115/07/01 (July 1, 2026) 8. Any other matters that need to be specified: None