[Yongke] Announces Board of Directors' Supplementary Appointment of Compensation and Nomination Committee Member

1. Date of Change: 2026/04/15 2. Name of Functional Committee: Compensation and Nomination Committee 3. Former Member Name: Not applicable 4. Former Member Biography: Not applicable 5. New Member Name: CHENG, YA-FANG 6. New Member Biography: Lawyer, Da Cheng Taiwan Law Offices 7. Circumstances of Change (Please enter 'Resignation', 'Dismissal', 'Term Expiration', 'Death', or 'New Appointment'): New Appointment 8. Reason for Change: Original compensation committee member dismissed; Board of Directors makes supplementary appointment in accordance with regulations. 9. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 2025/01/14~2028/01/13 10. Effective Date of New Appointment: 2026/4/15 11. Other matters to be noted: None