Board of Subsidiary First Bank Approves Waiver of Non-Competition Restriction for Executive

Date of Announcement: July 18, 2026 Date of Statement: July 17, 2026 Time of Statement: 16:41:07 Company Code: 2892 Company Name: First Financial Holding

Subject: Board of Subsidiary First Bank Resolves to Lift Manager's Non-Competition Restriction Applicable Clause: Item 21 Factual Date: July 17, 2026

Details:

1. Board Resolution Date: July 17, 2026 2. Name and Title of Manager Permitted to Engage in Competitive Activity: Tsai Shu-Hui (Vice President, First Bank) 3. Nature of Permitted Competitive Activity: Serving as Director at Capital Securities Holding Co., Ltd. 4. Duration of Permitted Competitive Activity: During term of office 5. Resolution Outcome (Voting Result per Company Act Article 32): Approved unanimously by all attending directors without objection 6. Manager’s Name and Title if the Permitted Activity Involves Business Operations in Mainland China (Enter 'Not Applicable' if not): Not Applicable 7. Company Name and Position Held in the Mainland China-Based Entity: Not Applicable 8. Address of the Mainland China-Based Entity: Not Applicable 9. Business Operations of the Mainland China-Based Entity: Not Applicable 10. Impact on the Company's Financial and Business Operations: None 11. If the Manager Invests in the Mainland China-Based Entity, Investment Amount and Shareholding Ratio: Not Applicable 12. Other Matters to be Disclosed: None