4169 Taizong Announces Appointment of Second Sustainability Committee Members

Release Date: July 3, 2026 Statement Date: July 2, 2026 Statement Time: 21:20 Company Code: 4169 Company Name: Taizong

Subject: Announcement of the Board’s Appointment of Members for the Second Sustainability Committee Applicable Clause: Clause 6 Event Date: July 2, 2026

Details: 1. Date of Change: July 2, 2026 2. Name of Functional Committee: Sustainability Committee 3. Former Members: Hsu Huan-Ching, Kuo Cheng-Hung, Chen Hui-You, Liu Heng-Yi, Wang Ya-Chun, Wei Hsiu-Ming 4. Former Members’ Resumes: Hsu Huan-Ching: Chairman of the Company Kuo Cheng-Hung: Independent Director Chen Hui-You: Independent Director Liu Heng-Yi: Independent Director Wang Ya-Chun: Director and General Manager Wei Hsiu-Ming: Chief Financial Officer 5. New Members: Hsu Huan-Ching, Kuo Cheng-Hung, Chen Hui-You, Liu Heng-Yi, Wang Ya-Chun, Wei Hsiu-Ming 6. New Members’ Resumes: Hsu Huan-Ching: Chairman of the Company Kuo Cheng-Hung: Independent Director Chen Hui-You: Independent Director Liu Heng-Yi: Independent Director Wang Ya-Chun: Director and General Manager Wei Hsiu-Ming: Chief Financial Officer 7. Nature of Change (select from 'resignation', 'removal', 'end of term', 'deceased', or 'new appointment'): New Appointment 8. Reason for Change: End of term; reappointment by the board 9. Previous Term (e.g., 03/25/2024 ~ 06/11/2026): March 25, 2024 ~ June 11, 2026 10. Effective Date of New Appointment: July 2, 2026 11. Other Matters to be Disclosed: None