CTBC Financial Holding Announces Board Election of Chairman and Vice Chairman at Subsidiary The Tokyo Star Bank, Limited

1. Date of Board Resolution or Change: June 23, 2026

2. Position Affected (Please specify Chairman or CEO): Chairman and Vice Chairman

3. Former Incumbent's Name: - Chairman: Chung-Mao Hsiao - Vice Chairman: None

4. Former Incumbent's Background: - Chung-Mao Hsiao: Chairman of The Tokyo Star Bank, Limited

5. New Appointee's Name: - Chairman: Chung-Mao Hsiao - Vice Chairman: Chun-Te Chiang

6. New Appointee's Background: - Chung-Mao Hsiao: Chairman of The Tokyo Star Bank, Limited - Chun-Te Chiang: External Director of The Tokyo Star Bank, Limited

7. Nature of Change (Please select from 'Resignation', 'Dismissal', 'End of Term', 'Position Adjustment', 'Severance', 'Retirement', 'Deceased', or 'New Appointment'): End of Term

8. Reason for Change: Board Re-election

9. Effective Date of New Appointment: June 23, 2026

10. Additional Disclosures (If the subject entity is a publicly listed company or above, this material information also qualifies under Article 7, Paragraph 6, Item 6 of the Enforcement Rules of the Securities and Exchange Act as an event significantly affecting shareholder rights or securities prices): None

Keywords: Material Information