【CTBC Financial Holding】Announcement on Behalf of Indonesian Subsidiary PT Bank CTBC Indonesia Regarding the Election of Directors

### Press Release Body

1. Date of change: 2026/04/29 2. Type of personnel selected or changed (please enter legal entity director, legal entity supervisor, independent director, natural person director, or natural person supervisor): Natural person director, independent director 3. Former position and name: (1) Director: Ting-Jeng Chan (2) Director: Chih-Chung Huang (3) Independent Director: Imbang Jaya Mangkuto (4) Independent Director: Zairyanto Poedjiaty 4. Brief résumé of former personnel: (1) Ting-Jeng Chan: Chairman of PT Bank CTBC Indonesia (2) Chih-Chung Huang: Director of PT Bank CTBC Indonesia (3) Imbang Jaya Mangkuto: Independent Director of PT Bank CTBC Indonesia (4) Zairyanto Poedjiaty: Independent Director of PT Bank CTBC Indonesia 5. New position and name: (1) Director: Ting-Jeng Chan (2) Director: Chih-Chung Huang (3) Independent Director: Imbang Jaya Mangkuto (4) Independent Director: Liliana Tanadi 6. Brief résumé of new personnel: (1) Ting-Jeng Chan: Chairman of PT Bank CTBC Indonesia (2) Chih-Chung Huang: Director of PT Bank CTBC Indonesia (3) Imbang Jaya Mangkuto: Independent Director of PT Bank CTBC Indonesia (4) Liliana Tanadi: Freelancer Lecturer and Facilitator of PT Edcore Indonesia and PT Raharja Duta Solusindo 7. Type of change (please enter "resignation", "dismissal", "term expired", "death", or "new appointment"): Term expired 8. Reason for change: Election by shareholders' meeting 9. Number of shares held by new personnel at time of election: None 10. Original term (e.g., xx/xx/xx ~ xx/xx/xx): 2025/04/28 to 2026/04/27 11. Effective date of new appointment: (1) Ting-Jeng Chan: 2026/04/29 (2) Chih-Chung Huang: 2026/04/29 (3) Imbang Jaya Mangkuto: 2026/04/29 (4) Liliana Tanadi: Effective upon approval by local competent authority 12. Percentage of board changes during the same term: Not applicable 13. Percentage of independent director changes during the same term: Not applicable 14. Percentage of supervisor changes during the same term: Not applicable 15. Is this a change in more than one-third of the directors (please enter yes or no): No 16. Other matters that need to be specified (if the subject of the event or resolution is a public company or above, this material information also complies with Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a significant impact on shareholders' equity or securities prices): None