Hankang-KY Announces Resignation of Director

1. Date of change: 2026/06/17 2. Personnel category: Natural person director. 3. Predecessor's title, name, and nationality: Director, He Dong-guang, Republic of China (Taiwan). 4. Predecessor's profile: Chairman of Guotan Technology Co., Ltd. 5. Successor's title, name, and nationality: N/A. 6. Successor's profile: N/A. 7. Circumstances of change: Resignation. 8. Reason for change: Resignation due to personal business commitments. 9. Shareholding of successor at time of appointment: N/A. 10. Original term: 2024/11/20 ~ 2027/11/19. 11. Effective date for successor: N/A. 12. Ratio of board turnover for current term: 1/9. 18. Other matters to be disclosed: Effective immediately.