[Koryu] Company Invited to Attend Corporate Presentation Hosted by SC Securities on July 24, 2026

Pursuant to Article 4, Paragraph XX: 12 Factual Date: 115/07/24

1. Date of the Corporate Presentation: 115/07/24 2. Time of the Corporate Presentation: 14:00 3. Location of the Corporate Presentation: 4F, No. 54, Minsheng East Road, Section 4, Taipei City (Room 402) 4. Summary of the Presentation: Koryu has been invited to attend the corporate presentation hosted by SC Securities on July 24, 2026, to provide institutional investors with an overview of the company and explanations regarding publicly disclosed financial and business-related information. 5. Other Matters to be Disclosed: Presentation materials have been disclosed on the 'Public Information Observation Station' as required. For complete financial and business information, please refer to the corporate presentation schedule or related sections under the investor briefing category on the Public Information Observation Station.