【Dahua】Board of Directors Elects New Chairman

1. Date of Board Resolution or Change: 2026/06/16 2. Position Category (Please enter 'Chairman' or 'CEO'): Chairman 3. Former Chairman's Name: Chiang Ming-Li 4. Former Chairman's Resume: Chairman of Dahua Metal Industries Co., Ltd., Sustainability Committee Member 5. New Chairman's Name: Chiang Chia-Chun 6. New Chairman's Resume: Director, Spokesperson, Financial Manager, and Corporate Governance Officer of Dahua Metal Industries Co., Ltd. 7. Nature of Change (Please enter 'Resignation', 'Dismissal', 'End of Term', 'Job Adjustment', 'Redundancy', 'Retirement', 'Death', or 'New Appointment'): End of Term 8. Reason for Change: End of term. 9. Effective Date of New Appointment: 2026/06/16 10. Other Matters to be Disclosed (If the subject is a publicly listed company, this announcement also qualifies as a material event under Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act): None. Keywords: Material Information