CTBC Holding Announces Record Date for Special Cash Dividend Distribution for FY2026 Based on FY2025 Earnings

1. Date of Board, Shareholders' Meeting Resolution or Company Decision: June 24, 2026 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights-Ex-Dividend'): Ex-Dividend 3. Type and Amount of Preferred Stock Dividend: (1) Class B Preferred Stock Dividend - Total dividend amount of TWD 931,990,680, with TWD 2.796 distributed per share. (2) Class C Preferred Stock Dividend - Total dividend amount of TWD 319,987,200, with TWD 1.92 distributed per share. 4. Ex-Dividend Trading Date: July 10, 2026 5. Last Transfer Date: July 13, 2026 6. Share Transfer Suspension Start Date: July 14, 2026 7. Share Transfer Suspension End Date: July 18, 2026 8. Ex-Dividend Record Date: July 18, 2026 9. Last Application Date for Preferred Stock Conversion: N/A 10. Preferred Stock Conversion Suspension Start Date: N/A 11. Preferred Stock Conversion Suspension End Date: N/A 12. Preferred Stock Cash Dividend Payment Date: August 7, 2026 13. Other Matters to be Stated: None