Tong Ni Announces Board Resolution to Appoint Sustainability Committee Members

Disclosure Date: June 23, 2026 Statement Date: June 22, 2026 Statement Time: 17:36:38 Company Code: 1110 Company Name: Tong Ni Subject: Announcement of Board Resolution to Appoint Members of the Sustainability Committee Applicable Clause: Clause 6 Factual Date: June 22, 2026 Details: 1. Date of Change: 06/22/2026 2. Name of Functional Committee: Sustainability Committee 3. Former Members' Names: Chen Guan-Hua Yang Wen-Zai Ye Jin-Bao 4. Former Members' Backgrounds: Chen Guan-Hua: Vice Chairman of the Company Yang Wen-Zai: Independent Director of the Company Ye Jin-Bao: Independent Director of the Company 5. New Members' Names: Chen Guan-Hua Hsin Chun-Hao Chou Kuang-Chou 6. New Members' Backgrounds: Chen Guan-Hua: Vice Chairman of the Company Hsin Chun-Hao: Independent Director of the Company Chou Kuang-Chou: Independent Director of the Company 7. Nature of Change (Please enter 'Resignation', 'Dismissal', 'End of Term', 'Deceased', or 'New Appointment'): End of Term 8. Reason for Change: In conjunction with the conclusion of directors' term and subsequent re-election. 9. Previous Term (e.g., 05/10/2024 ~ 06/20/2026): 05/10/2024 ~ 06/20/2026 10. Effective Date of New Appointment: 06/22/2026 11. Other Matters to be Clarified: None.