Dahua Announces Change in Corporate Governance Officer

Release Date: June 25, 2026 Statement Date: June 24, 2026 Statement Time: 14:09:08 Company Code: 9905 Company Name: Dahua Subject: Announcement of Change in Corporate Governance Officer Applicable Clause: Clause 8 Event Date: June 24, 2026

Details: 1. Position Category (Spokesperson, Acting Spokesperson, Key Operational Executive (e.g., CEO, COO, CMO, CSO), Financial Officer, Accounting Officer, Corporate Governance Officer, CISO, R&D Head, Internal Audit Head, Litigation/Non-litigation Representative): Corporate Governance Officer 2. Date of Change: June 24, 2026 3. Former Officer Name, Title, and Background: Ms. Chia-Chun Chiang, Manager / Corporate Governance Officer, Dahua Metal Industries Co., Ltd. 4. New Officer Name, Title, and Background: Ms. Li-Fen Cheng, Deputy Manager / Deputy Manager, Finance Department, Dahua Metal Industries Co., Ltd. 5. Nature of Change (Resignation, Transfer, Dismissal, Retirement, Death, New Appointment, Removal): New Appointment 6. Reason for Change: New Appointment 7. Effective Date: June 24, 2026 8. Other Matters to be Disclosed: None