[Kuo Chuan] Announcement on the Re-election of Directors and Supervisors of Subsidiary Quanzhou Grand Union Chemical Co., Ltd.

1. Date of change: 2026/05/20 2. Type of personnel appointed or changed: Corporate Director, Corporate Supervisor 3. Name and title of former personnel: Chairman: Tseng Chia-Hsiung Director: Lin Cheng-Nan Director: Lin Wen-Hui Supervisor: Chen Ching-Fu 4. Resume of former personnel: Tseng Chia-Hsiung/General Manager of Kuo Chuan Petrochemical Co., Ltd. Lin Cheng-Nan/Vice President of Kuo Chuan Petrochemical Co., Ltd. Lin Wen-Hui/Assistant Vice President of Kuo Chuan Petrochemical Co., Ltd. Chen Ching-Fu/Vice President of Kuo Chuan Petrochemical Co., Ltd. 5. Name and title of new personnel: Chairman: Tseng Chia-Hsiung Director: Lin Cheng-Nan Director: Lin Wen-Hui Supervisor: Chen Ching-Fu 6. Resume of new personnel: Tseng Chia-Hsiung/General Manager of Kuo Chuan Petrochemical Co., Ltd. Lin Cheng-Nan/Vice President of Kuo Chuan Petrochemical Co., Ltd. Lin Wen-Hui/Assistant Vice President of Kuo Chuan Petrochemical Co., Ltd. Chen Ching-Fu/Vice President of Kuo Chuan Petrochemical Co., Ltd. 7. Nature of the change: Term expiration 8. Reason for the change: Term expiration 9. Shareholding of new appointees at the time of election: Not applicable 10. Previous term of office: 2023/04/24 ~ 2026/04/23 11. Effective date of new appointment: 2026/05/20 12. Ratio of change in directors during the same term: Not applicable 13. Ratio of change in independent directors during the same term: Not applicable 14. Ratio of change in supervisors during the same term: Not applicable 15. Whether more than one-third of directors have changed: No 16. Other matters to be specified: None