【CTBC Financial Holding】Announcement on behalf of its Indonesian subsidiary, PT Bank CTBC Indonesia, regarding the re-election of the Chairman by the Board of Directors

1. Date of Board Resolution or Change: 2026/04/29 2. Personnel Type (Please enter Chairman or President): Chairman 3. Name of Former Incumbent: Ting-Jeng Chan 4. Brief Resume of Former Incumbent: Chairman of PT Bank CTBC Indonesia 5. Name of New Incumbent: Ting-Jeng Chan 6. Brief Resume of New Incumbent: Chairman of PT Bank CTBC Indonesia 7. Type of Change (Please enter "Resignation", "Dismissal", "Expiration of Term", "Position Adjustment", "Layoff", "Retirement", "Demise", or "New Appointment"): Expiration of Term 8. Reason for Change: Re-election by the Board of Directors 9. Effective Date of New Appointment: 2026/04/29 10. Other matters that should 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, which states matters that have a significant impact on shareholders' equity or securities prices): None Keywords: Material Information