Tung Ni Announces Changes in Audit Committee Members Due to Term Expiration

1. Date of Change: 2026/06/18 2. Name of Functional Committee: Audit Committee 3. Former Members: Yang Wen-Zai (Independent Director) Yeh Jin-Bao (Independent Director) Chuang Yu-Xin (Independent Director) 4. Former Members' Resumes: Yang Wen-Zai (Independent Director): Independent Director at Canway Environmental Co., Ltd. Yeh Jin-Bao (Independent Director): Prosecutor at the Supreme Prosecutors Office Chuang Yu-Xin (Independent Director): Manager at First Resistor Capacitor Co., Ltd. 5. New Members: Hsin Chun-Hao (Independent Director) Chou Kuang-Chou (Independent Director) Chuang Yu-Xin (Independent Director) 6. New Members' Resumes: Hsin Chun-Hao (Independent Director): Branch Director at Kaohsiung County Branch, Southern Regional Inland Revenue Bureau Chou Kuang-Chou (Independent Director): Director at Hung-Ta Architects Office Chuang Yu-Xin (Independent Director): Manager at First Resistor Capacitor Co., Ltd. 7. Nature of Change: Term Expiration 8. Reason for Change: The company's board of directors underwent a comprehensive election on 2026/06/18, resulting in the Audit Committee being reconstituted with newly appointed independent directors. 9. Previous Term: 2023/06/21 ~ 2026/06/20 10. Effective Date of New Appointment: 2026/06/18 11. Other Matters to be Disclosed: None. Keyword: Material Information