Hong Yang-KY: Announcement of Board Resolution to Appoint Manager

1. Type of personnel change (Please enter Spokesperson, Acting Spokesperson, Important Operating Executive (e.g., CEO, COO, CMO, CSO), Financial Executive, Accounting Executive, Corporate Governance Executive, Information Security Officer, R&D Executive, Internal Audit Executive or Litigation and Non-litigation Agent): Vice President and General Manager of the Branch Office 2. Date of change: 2026/05/12 3. Name, title, and brief resume of former incumbent: None 4. Name, title, and brief resume of new incumbent: Cheng Yu-feng / Vice President of the Company and General Manager of the Company's Branch Office 5. Nature of change (Please enter "Resignation", "Job Adjustment", "Layoff", "Retirement", "Death", "New Appointment" or "Dismissal"): Job Adjustment 6. Reason for change: Former Head of Management Office promoted to Vice President 7. Effective date: 2026/05/12 8. Other matters to be specified: None Keywords: Material Information