Zhengdao Announces Appointment of New General Manager

1. Date of Board Resolution or Change: 2026/08/12 2. Position (Please specify 'Chairman' or 'General Manager'): General Manager 3. Name of Former Executive: Not applicable 4. Resume of Former Executive: Not applicable 5. Name of New Executive: Ping-Shan Cheng 6. Resume of New Executive: Assistant Manager at Zhengdao Industrial Co., Ltd. 7. Nature of Change (Please select from 'Resignation', 'Dismissal', 'End of Term', 'Job Adjustment', 'Redundancy', 'Retirement', 'Deceased', or 'New Appointment'): New Appointment 8. Reason for Change: New Appointment 9. Effective Date of New Appointment: 2026/08/12 10. Other Matters to be Disclosed: The previous General Manager retired on June 30, 2026. Mr. Cheng had been serving as Acting General Manager since July 1, 2026. The Board of Directors has now formally appointed him as General Manager. As the entity involved is a publicly listed company, this announcement also constitutes a material event under Article 7, Paragraph 6, Item 6 of the Enforcement Rules of the Securities and Exchange Act, having significant impact on shareholders’ rights or securities prices.