Chien Hsing Announces Retirement of Deputy General Manager of Sales Department

1. Position affected (please specify spokesperson, acting spokesperson, key operational executives (e.g., CEO, COO, CMO, CSO), financial officer, accounting officer, corporate governance officer, information security officer, R&D officer, internal audit officer, or litigation/non-litigation representative): Deputy General Manager of Sales Department

2. Date of change: July 31, 2026

3. Name, title, and resume of outgoing executive: Kuo, Ying-Chien / Deputy General Manager of Sales Department, Chien Hsing

4. Name, title, and resume of incoming executive: Not applicable

5. Nature of change (please enter 'resignation', 'job reassignment', 'redundancy', 'retirement', 'death', 'new appointment', or 'dismissal'): retirement

6. Reason for change: retirement

7. Effective date: July 31, 2026

8. Other matters to be disclosed: None