Tai Yang Announces Board Approval of New Financial and Corporate Governance Officer Appointment

1. Position affected (please specify: spokesperson, acting spokesperson, key operational executives such as CEO, COO, CMO, CSO, CFO, CAO, corporate governance officer, CISO, R&D head, internal audit head, litigation or non-litigation representative): Financial Officer, Corporate Governance Officer, and Acting Spokesperson

2. Date of change: June 15, 2026

3. Former appointee's name, title, and resume: Sheng-Hsiung Yu, Vice President of Finance and Chief Financial Officer of the Company

4. New appointee's name, title, and resume: Yun-Chen Hsieh, Finance Manager and Chief Financial Officer of the Company

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

6. Reason for change: New Appointment

7. Effective date: June 15, 2026

8. Other matters to be disclosed:

The Company previously announced the change in financial and corporate governance officers on May 29, 2026, and the board formally approved and confirmed the appointment on June 15, 2026.