Cathay Financial Announces Resignation of Chairman at Subsidiary Cathay United Bank

Release Date: June 27, 2026 Statement Date: June 26, 2026 Statement Time: 06:50 Company Code: 2882 Company Name: Cathay Financial Holding Co., Ltd. Subject: Announcement on behalf of subsidiary Cathay United Bank regarding Chairman's resignation Applicable Clause: Clause 6 Event Date: June 26, 2026

Details: 1. Board resolution or effective date of change: June 26, 2026 2. Position (Chairman or CEO): Chairman 3. Former incumbent's name: Kuo Ming-Chien 4. Former incumbent's background: Chairman of Cathay United Bank 5. New appointee's name: Not yet determined 6. New appointee's background: Not yet determined 7. Nature of change: Resignation 8. Reason for change: Resignation 9. Effective date of new appointment: To be determined 10. Additional notes: The new chairman will be elected at a future board meeting.

This announcement pertains to a material event under Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act, as the entity involved is a publicly listed company, and the event may significantly impact shareholder rights or stock prices.