【Ta-Yang-KY】Announcement of Change in Internal Audit Supervisor

1. Position affected (please enter spokesperson, acting spokesperson, key operational executives (e.g., CEO, COO, CMO, CSO), financial officer, accounting officer, corporate governance officer, CISO, R&D head, internal audit supervisor, or litigation/non-litigation representative): Internal Audit Supervisor

2. Date of change: 2026/07/24 (R.O.C. Year 115)

3. Former incumbent's name, title, and resume: Zhang Shi-Pei

4. New appointee's name, title, and resume: The appointment of the new Internal Audit Supervisor will be announced after board approval.

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

6. Reason for change: Resignation

7. Effective date: 2026/07/24 (R.O.C. Year 115)

8. Other disclosures: The appointment of the new Internal Audit Supervisor will be announced after board approval.