Tat Li Announces Change in Financial Officer and Appointment of Acting Officer

1. Personnel Change Category (please specify: spokesperson, acting spokesperson, key operational executives such as CEO, COO, CMO, CSO, financial officer, accounting officer, corporate governance officer, CISO, R&D head, internal audit head, or litigation/non-litigation agent): Financial Officer, Acting Spokesperson

2. Date of Change: August 11, 2026 (R.O.C. Year 115)

3. Former Officer's Name, Title, and Resume: (1) Financial Officer and Acting Spokesperson: Huang Chih-Ming / Manager, Finance Department, the Company

4. New Officer's Name, Title, and Resume: (1) Financial Officer: Tai Chia-Ling (Acting Officer) / Deputy Head, Finance Department, the Company (2) Acting Spokesperson: Awaiting appointment

5. Nature of Change (select from 'resignation', 'job reassignment', 'layoff', 'retirement', 'death', 'new appointment', or 'dismissal'): Job Reassignment

6. Reason for Change: Job Reassignment

7. Effective Date: August 11, 2026 (R.O.C. Year 115)

8. Other Matters to be Disclosed: (1) In accordance with the Company's acting officer system, a new appointment will be announced after board approval. (2) The appointment of the acting spokesperson will be announced separately upon finalization.