【Cathay Financial Holdings】Announcement regarding the resignation of the Chief Accountant of its subsidiary, Cathay Securities

1. Personnel change category (Please enter spokesperson, acting spokesperson, important operational managers (such as CEO, COO, CMO, CSO, etc.), financial manager, chief accountant, corporate governance officer, information security officer, R&D manager, internal audit manager, or litigation and non-litigation agent): Chief Accountant 2. Date of change: 2026/04/29 3. Name, title, and brief resume of the former incumbent: Li Ting-Fang, Senior Manager/Head of Accounting Department 4. Name, title, and brief resume of the new incumbent: None 5. Nature of change (Please enter "resignation", "position adjustment", "layoff", "retirement", "death", "new appointment", or "dismissal"): Resignation 6. Reason for change: Resignation 7. Effective date: 2026/06/18 8. Other matters to be specified: None