Yuanta Financial: Yuanta Financial Holdings Announces Change in Chairman of the Council of Members for Subsidiary Yuanta Securities Vietnam

1. Date of Change: 2026/05/04 2. Type of Personnel Appointed or Changed (Please enter corporate director, corporate supervisor, independent director, natural person director, or natural person supervisor): Chairman of the Council of Members 3. Title and Name of Former Incumbent: Mr. Zhao Renkai / Chairman of the Council of Members, Yuanta Securities Vietnam 4. Brief Resume of Former Incumbent: Mr. Zhao Renkai / Chairman of the Council of Members, Yuanta Securities Vietnam 5. Title and Name of New Incumbent: None 6. Brief Resume of New Incumbent: None 7. Type of Change (Please enter "Resignation", "Dismissal", "Term Expiration", "Death", or "New Appointment"): Resignation 8. Reason for Change: Resignation 9. Number of Shares Held by New Incumbent at Time of Appointment: Not applicable 10. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 2024/07/19 ~ 2029/07/18 11. Effective Date of New Appointment: Not applicable 12. Proportion of Board Changes during the same term: Not applicable 13. Proportion of Independent Director Changes during the same term: Not applicable 14. Proportion of Supervisor Changes during the same term: Not applicable 15. Is this a change affecting 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 company or above, this major information also complies with Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a material impact on shareholders' equity or securities prices): This case will take effect on the same day that Yuanta Securities Vietnam's Council of Members re-elects a Chairman and legal representative, and after the Vietnamese competent authority approves the change of its legal representative.