Chunghwa Precision Optics Announces Change in Internal Audit Supervisor

1. Type of personnel change (e.g., spokesperson, acting spokesperson, important operational executive (e.g., CEO, COO, CMO, CSO), financial officer, accounting officer, corporate governance officer, chief information security officer, R&D executive, internal audit supervisor, or litigation/non-litigation agent): Internal Audit Supervisor 2. Date of change: 2026/05/07 3. Name, rank, and brief resume of former incumbent: Temporarily unavailable 4. Name, rank, and brief resume of new incumbent: Chang Yu-Chen / Head of the Company's Audit Office 5. Status of change (Please enter 'resignation', 'position adjustment', 'layoff', 'retirement', 'death', 'new appointment', or 'dismissal'): New appointment 6. Reason for change: New appointment 7. Effective date: 2026/05/07 8. Other matters that should be specified: None