First Securities Announces Up to TWD 5 Billion Joint Loan for Mid-Term Operational Funding

Release Date: June 26, 2026 Announcement Date: June 25, 2026 Announcement Time: 16:38:17 Company Code: 2892 Company Name: First Financial Holding Subject: Announcement of Important Board Resolution by Subsidiary First Securities Applicable Clause: Item 51 Event Date: June 25, 2026

1. Event Date: June 25, 2026 2. Company Name: First Securities Co., Ltd. 3. Relationship with Company (Enter '本公司' or 'Subsidiary'): Subsidiary 4. Cross-shareholding Ratio: Subsidiary wholly owned by the company (100%) 5. Reason for Occurrence: The board of directors resolved to appoint Yuanta Commercial Bank as the lead arranger for a syndicated loan to strengthen mid-term operational funding, with a maximum amount of TWD 5 billion. 6. Countermeasures: None 7. Other Matters to be Disclosed: The Chairman is authorized to represent the company in negotiating and signing all related contracts and documents for this syndicated loan and to carry out all necessary procedures. This significant information pertains to a publicly listed company and simultaneously qualifies under Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act as a matter having a significant impact on shareholders' rights or securities prices.