Ding Ying Investment Holding Invited to Sinopac Securities' 2026 Q2 Virtual Investor Briefing

Pursuant to Article 4, Clause XX: 12 Factual Date: August 10, 2027 (Minguo Year 115)

1. Date of Investor Briefing: August 10, 2027 (Minguo Year 115) 2. Time of Investor Briefing: 14:30 3. Venue: Webex Virtual Meeting 4. Summary of Briefing: The company has been invited to attend the virtual investor briefing hosted by Sinopac Securities. 5. Additional Notes: Meeting link available upon registration at: https://reurl.cc/yW1lxE

For comprehensive financial and business information, please refer to the investor briefing schedule or related sections on Taiwan's Public Information Observation Station.