【Tai-San】Announces Change in Chief Executive Officer

1. Date of board resolution or change occurrence: June 29, 2027 (Minguo 115) 2. Position (please enter 'Chairman' or 'General Manager'): General Manager 3. Former incumbent's name: Hsu Chia-Lin 4. Former incumbent's resume: Acting Executive Deputy General Manager of the company 5. New appointee's name: Lin Rongtai 6. New appointee's resume: Senior Advisor of the company 7. Nature of change (please enter 'resignation', 'dismissal', 'end of term', 'job reassignment', 'redundancy', 'retirement', 'deceased', or 'new appointment'): New appointment 8. Reason for change: New appointment 9. Effective date of new appointment: June 30, 2027 (Minguo 115) 10. Other matters to be disclosed (if the subject is a publicly issued company or above, this significant information also meets the criteria under Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act, concerning matters significantly affecting shareholders' rights or securities prices): In accordance with the board resolution and the Financial Supervisory Commission's Letter No. 1150420297 (Insurance Bureau).