Materials*-KY Announces Change in Audit Committee Members

Date of Announcement: June 27, 2026 Date of Statement: June 26, 2026 Time of Statement: 17:36:27 Company Code: 4763 Company Name: Materials*-KY Subject: Announcement of Change in Audit Committee Members Applicable Clause: Item 6 Factual Date: June 26, 2026

Details: 1. Date of Change: June 26, 2026 2. Name of Functional Committee: Audit Committee 3. Former Members: Lin Zezhong, Lin Wenzheng, Yu Jingxian, Li Guangji 4. Former Members' Backgrounds: Independent Director: Lin Zezhong / Director-General, Chairman's Office, Julong Fiber Co., Ltd. Independent Director: Lin Wenzheng / Chairman, Ocean Waves International Trading Ltd. (Seychelles) Independent Director: Yu Jingxian / Principal, Yu Jingji International Trading Co., Ltd. Independent Director: Li Guangji / Production Management Specialist, Yulon Motor Co., Ltd. 5. New Members: Lin Yuyi, Zheng Shi-yi, Wu Yongheng, Li Guangji 6. New Members' Backgrounds: Independent Director: Lin Yuyi / CFO, Yifu Enterprise Co., Ltd. Independent Director: Zheng Shi-yi / Managing Director, Axiom Partners Inc. Independent Director: Wu Yongheng / Deputy Editor, China Times Editorial Department Independent Director: Li Guangji / Production Management Specialist, Yulon Motor Co., Ltd. 7. Nature of Change: Term Expiration 8. Reason for Change: Full Board Renewal 9. Previous Term: May 31, 2023 – May 30, 2026 10. Effective Date of New Members: June 26, 2026 – June 25, 2029 11. Other Notes: None