Chung Yu Announces Appointment of New Audit Committee Member

1. Date of Change: 2026/06/23 2. Name of Functional Committee: Audit Committee 3. Former Member's Name: Not Applicable 4. Former Member's Biography: Not Applicable 5. New Member's Name: Di-Guang Hong 6. New Member's Biography: Architect, Di-Guang Hong Architectural Office 7. Nature of Change (select from 'resignation', 'dismissal', 'end of term', 'deceased', or 'new appointment'): New Appointment 8. Reason for Change: Supplementary election at the annual shareholders' meeting 9. Original Term (e.g., 2024/06/18 ~ 2027/06/17): 2024/06/18 ~ 2027/06/17 10. Effective Date of New Appointment: 2026/06/23 11. Other Matters to be Disclosed: None

Keyword: Material Information