Subsidiary Hua Nan Commercial Bank Fined NT$8 Million by Financial Supervisory Commission

Announcement Date: June 26, 2026 Statement Date: June 25, 2026 Statement Time: 20:51:28 Company Code: 2880 Company Name: Hua Nan Financial Holdings Subject: Announcement on behalf of subsidiary Hua Nan Commercial Bank regarding a fine of NT$8 million imposed by the Financial Supervisory Commission. Applicable Clause: Clause 26 Fact Date: June 25, 2026

Details: 1. Fact Date: June 25, 2026 2. Entity Involved (Subsidiary Reporting): Hua Nan Commercial Bank 3. Reason for Incident (Event Description): According to a press release issued by the Financial Supervisory Commission on June 25, 2026, Hua Nan Commercial Bank failed to properly establish and effectively implement its internal control system, violating Article 45-1, Paragraph 1 of the Banking Act, as well as Paragraph 1 of Article 3, Paragraph 1 and Paragraph 3 of Article 8 of the 'Implementation Rules for Internal Control and Audit Systems of Financial Holding Companies and Banks' at the time of the violation. 4. Handling Process: The company will carry out necessary improvements in accordance with regulatory guidance. 5. Sanction Imposed: A fine of NT$8 million. 6. Whether a monetary penalty was imposed: Yes 7. Amount of Penalty (NT$): 8,000,000 8. Estimated Potential Loss or Impact: NT$8 million 9. Estimated Insurance Reimbursement Amount (NT$): Not applicable 10. Improvement Status and Future Measures: The company will implement corrective actions as directed by the regulatory authority. 11. Has a major announcement on the same incident been made previously: No 12. Other Matters to be Disclosed: None.