Tai-Yi Announces Board Approval for Appointment of Chief Sustainability Officer

1. Category of personnel change (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 and non-litigation agent): Chief Sustainability Officer

2. Date of change: 115/06/24

3. Name, title, and resume of former executive: None

4. Name, title, and resume of new executive: Ya-Wen Chiu, Senior Deputy Director of the Audit Department

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

6. Reason for change: New appointment

7. Effective date: 115/06/24

8. Other matters to be disclosed: None