CSHC to Participate in SinoPac Securities' Online Investor Briefing

Complies with Clause 4, Paragraph XX: 12 Factual Date: 115/06/24

1. Date of Investor Briefing: 115/06/24 2. Time of Investor Briefing: 14:00 3. Location of Investor Briefing: Online Conference 4. Summary of Investor Briefing: Business and financial information of the company (including partial self-compiled financial data as of May Year 115) 5. Other Disclosures: None

For complete financial and business information, please visit the public information observation station's investor briefing schedule or the investor briefing section.