[Mega Financial Holding] Announcement Regarding Changes in Audit Committee Members of Subsidiary Mega Securities Co., Ltd.

1. Date of Change: 2026/06/09 2. Functional Committee Name: Audit Committee 3. Former Member's Name: Hsiao Ming-fu 4. Former Member's Biography: Associate Professor, Department of Economics, National Chengchi University / Independent Director, Mega Securities 5. New Member's Name: None 6. New Member's Biography: None 7. Change Details (Please enter 'Resignation', 'Dismissal', 'Term Expiration', 'Deceased', or 'New Appointment'): Resignation 8. Reason for Change: Resignation 9. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 2025/04/22~2028/04/21 10. New Appointment Effective Date: Not Applicable 11. Other Matters to be Noted: The former member submitted his resignation on June 9, 2026.