[Cooperative Financial Holding] Announcement of General Manager Change for Subsidiary Taiwan Cooperative Securities Co., Ltd.

1. Date of Board Resolution or Change: 2026/04/30 2. Personnel Category (Please enter Chairman or General Manager): General Manager 3. Name of Former Incumbent: Weng Kuo-Liang 4. Brief History of Former Incumbent: General Manager of Taiwan Cooperative Securities Co., Ltd. 5. Name of New Appointee: Wu Chun-Min 6. Brief History of New Appointee: General Manager of Cooperative Venture Capital Co., Ltd. 7. Circumstances of Change (Please enter "Resignation", "Dismissal", "Term Expiration", "Job Adjustment", "Redundancy", "Retirement", "Death", or "New Appointment"): Dismissal and New Appointment 8. Reason for Change: Dismissal and New Appointment 9. Effective Date of New Appointment: Effective upon approval by the competent authority. 10. Other Matters Needing Statement (If the subject of the event or resolution is a publicly issued company or above, this material information also meets the criteria of Article 7, Item 6 of the Enforcement Rules of the Securities Transaction Act regarding matters that have a significant impact on shareholder equity or securities prices): None.