[O-Bank] Announcement of the Election of the Chairman by the Executive Board of Directors

1. Date of the board of directors' resolution or date of change: 2026/06/12 2. Position (please enter Chairman or President): Chairman 3. Outgoing person's name: Tina Y. Lo (駱怡君) 4. Outgoing person's resume: Chairman of O-Bank Co., Ltd. 5. Incoming person's name: Tina Y. Lo (駱怡君) 6. Incoming person's resume: Chairman of O-Bank Co., Ltd. 7. Type of change (please enter "Resignation", "Dismissal", "Expiration of term", "Job adjustment", "Layoff", "Retirement", "Deceased", or "New appointment"): Expiration of term 8. Reason for change: Elected by the Executive Board of Directors 9. Effective date of the new appointment: 2026/06/12 10. Other matters to be specified (if the subject of the event or resolution is a public offering 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 material impact on shareholders' equity or securities prices): None