Jinn Her Precision Announces Changes in Spokesperson, Deputy Spokesperson, Financial Executive, and R&D Executive

1. Personnel change category (please enter Spokesperson, Deputy Spokesperson, Important Operational Executive (e.g., CEO, COO, CMO, CTO), Financial Executive, Accounting Executive, Corporate Governance Officer, Information Security Officer, R&D Executive, Internal Audit Executive, or Litigation and Non-litigation Agent): Spokesperson, Deputy Spokesperson, Financial Executive, R&D Executive 2. Date of Change: 115/05/12 (May 12, 2026) 3. Name, Rank, and Brief Resume of Former Personnel: (1) Spokesperson: Shi Meng-jin / Deputy General Manager of this company (2) Deputy Spokesperson: Liao Yi-lin / Manager of this company (3) Financial Executive (Acting): Liao Yi-lin / Manager of this company (4) R&D Executive: None 4. Name, Rank, and Brief Resume of New Personnel: (1) Spokesperson: He Shijun / Financial Controller of this company / Manager of the Finance Department of Chao Chin Enterprise Co., Ltd. (2) Deputy Spokesperson: Shi Meng-jin / Deputy General Manager of this company (3) Financial Executive: He Shijun / Financial Controller of this company / Manager of the Finance Department of Chao Chin Enterprise Co., Ltd. (4) R&D Executive: Cai Zongqin / Assistant R&D Manager of this company / Researcher at National Chung-Shan Institute of Science and Technology 5. Nature of Change (please enter 'Resignation', 'Job Adjustment', 'Redundancy', 'Retirement', 'Death', 'New Appointment', or 'Dismissal'): (1) Spokesperson, Financial Executive, R&D Executive: New Appointment (2) Deputy Spokesperson: Job Adjustment 6. Reason for Change: (1) Spokesperson, Financial Executive, R&D Executive: New Appointment (2) Deputy Spokesperson: Job Adjustment 7. Effective Date: 115/05/12 (May 12, 2026) 8. Other matters to be described: Approved by the Board of Directors on 115/05/12. Keywords: Major Information