First Bank Announces 2025 Stock Dividend Based on Earnings, Sets Ex-Right Date

1. Date of Board or Shareholders' Meeting Resolution or Company Decision: 06/26/2026 (R.O.C. Year 115) 2. Type of Ex-Rights or Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights & Ex-Dividend'): Ex-Rights 3. Type and Amount of Dividend Distribution: Stock dividend of NT$2,697,000,000 4. Ex-Rights/Ex-Dividend Trading Day: NA 5. Last Transfer Date: NA 6. Start Date of Transfer Suspension: 07/09/2026 (R.O.C. Year 115) 7. End Date of Transfer Suspension: 07/13/2026 (R.O.C. Year 115) 8. Ex-Rights/Ex-Dividend Benchmark Date: 07/13/2026 (R.O.C. Year 115) 9. Other Matters to be Disclosed: The company's board meeting on 05/14/2025 (R.O.C. Year 114) authorized the Chairman to determine the capital increase benchmark date.