Tatung Announces Change of Corporate Director Representative

1. Date of Change: July 3, 2026 (R.O.C. Year 115) 2. Corporate Name: Hsin-Tung Investment Advisory Co., Ltd. 3. Former Representative's Name: Not applicable 4. Former Representative's Biography: Not applicable 5. New Representative's Name: Li Kun-Ming 6. New Representative's Biography: - Director, Po-Yang Certified Public Accountants - Independent Director, Liu-Fu Development Co., Ltd. - Independent Director, Crown Star Group Holdings Limited 7. Reason for Change: Change of corporate director representative 8. Original Term (e.g., xx/xx/xx to xx/xx/xx): December 30, 2025 (R.O.C. Year 114) to December 29, 2028 (R.O.C. Year 117) 9. Effective Date of New Appointment: July 3, 2026 (R.O.C. Year 115) 10. Other Matters to be Disclosed: None