[SinoPac] SinoPac Bank Board Approves Donation Proposal to National Chengchi University

1. Date of occurrence: 2026/05/22 (115/05/22) 2. Reason for donation: SinoPac Bank aims to support the fundraising for National Chengchi University's 'Centennial NCCU Fund' to help improve domestic academic development and education quality, and to fulfill its corporate social responsibility. 3. Donation amount: The overall plan is for 10 years. The annual donation amount shall be based on the contract signed year by year. The total estimated cost is NT$197.6 million. The donation amount for 2026 is NT$47.4 million. 4. Recipient: National Chengchi University 5. Relationship with the company: Not a related party 6. Names and profiles of independent directors who expressed dissent or reservation: None 7. Dissenting or reserved opinions expressed by the aforementioned independent directors: None 8. Other matters to be specified: None