Cathay Financial Holding to Participate in Goldman Sachs-Hosted Online Investor Conference

Announcement Date: June 23, 2026 Statement Date: June 22, 2026 Statement Time: 17:22 Company Code: 2882 Company Name: Cathay Financial Holding Subject: Announcement of the company's participation in an online investor conference hosted by Goldman Sachs Securities Applicable Clause: Clause 12 Factual Date: June 23, 2026

1. Date of the corporate briefing: June 23, 2026 2. Time of the corporate briefing: 09:00 3. Location of the corporate briefing: Online 4. Summary of the briefing: The company has been invited to attend an online investor conference hosted by Goldman Sachs Securities to present an overview of its business operations. 5. Other disclosures: None

For complete financial and business information, please visit the corporate briefing schedule or related sections on the Public Information Observation Station website.