Ding Ying Investment Holdings Invited to Corporate Briefing Hosted by Hua Nan Securities

Compliant with Article 4, Sub-paragraph XX: 12 Date of occurrence: 2026/04/15 1. Date of corporate briefing: 2026/04/15 2. Time of corporate briefing: 14:30 3. Location of corporate briefing: 4th Floor, No. 54, Section 4, Min Sheng East Road, Taipei City 4. Key information from the corporate briefing: The company has been invited to a corporate briefing session hosted by Hua Nan Securities to explain its operational status. 5. Other matters to be noted: None. For complete financial and business information, please refer to the list of corporate briefings or the briefing items on the Market Observation Post System.