【Yuanta Financial Holdings】Yuanta Financial Holdings Announces Personnel Change for Authorized Representative on Behalf of its Subsidiary Yuanta Securities Vietnam

1. Date of change: 2026/05/04 2. Type of appointee or change (please enter corporate director, corporate supervisor, independent director, natural person director, or natural person supervisor): Authorized Representative 3. Title and name of former appointee: None 4. Brief resume of former appointee: None 5. Title and name of new appointee: Mr. Wang Chung-Shan / Yuanta Securities Vietnam Authorized Representative 6. Brief resume of new appointee: Mr. Wang Chung-Shan / (1) Authorized Representative, Yuanta Securities Vietnam (2) Chief Financial Officer, Yuanta Securities (Thailand) (3) Executive Senior Vice President, Yuanta Securities (Thailand) 7. Type of change (please enter "Resignation," "Dismissal," "Term expiration," "Deceased," or "New appointment"): New appointment 8. Reason for change: Appointed by corporate shareholder 9. Number of shares held by new appointee at the time of appointment: Not applicable 10. Original term of office (e.g., xx/xx/xx ~ xx/xx/xx): Not applicable 11. Effective date of new appointment: 2026/05/04 12. Proportion of change in directors during the same term: Not applicable 13. Proportion of change in independent directors during the same term: Not applicable 14. Proportion of change in supervisors during the same term: Not applicable 15. Does the change involve more than one-third of the directors (please enter Yes or No): No 16. Other matters to be specified (If the subject of the event or resolution is a public offering company or above, this material information simultaneously complies with Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a significant impact on shareholder equity or security prices): None