Yuanta Financial Holdings Announces Change of Chairman of the Council of Members at Subsidiary Yuanta Securities Vietnam

Announcement Date: 2026/05/19 Spokesperson Date: 2026/05/18 Spokesperson Time: 16:14:18 Company Code: 2885 Company Name: Yuanta FHC Subject: Yuanta FHC announces change of Chairman of the Council of Members for subsidiary Yuanta Securities Vietnam

Date of Occurrence: 2026/05/18

Explanation: 1. Date of change: 2026/05/18 2. Title of personnel change: Chairman of the Council of Members 3. Name and title of former holder: Mr. Chao Jen-Kai / Chairman of the Council of Members, Yuanta Securities Vietnam 4. Resume of former holder: Mr. Chao Jen-Kai / Chairman of the Council of Members, Yuanta Securities Vietnam 5. Name and title of new holder: Mr. Wang Chung-Shan / Authorized Representative, Yuanta Securities Vietnam 6. Resume of new holder: Mr. Wang Chung-Shan (1) Authorized Representative, Yuanta Securities Vietnam (2) Chief Financial Officer, Yuanta Securities (Thailand) (3) Senior Executive Vice President, Yuanta Securities (Thailand) 7. Type of change: New Appointment 8. Reason for change: In accordance with the operational strategy of Yuanta Securities Vietnam, a new Chairman of the Council of Members was elected. 9. Shareholding at time of appointment: Not applicable 10. Original term of office: 2024/07/19 ~ 2029/07/18 11. Effective date of new appointment: As the Chairman of the Council of Members of Yuanta Securities Vietnam will also serve as the legal representative, the appointment will take effect after the approval of the legal representative by the competent authority in Vietnam. 12. Other items to be specified: None