【Dawushan】Company Invited to Investor Conference Hosted by Yuanta Securities

In compliance with Article 4, Clause XX: 12 Date of occurrence of the event: 2026/05/13 1. Date of investor conference: 2026/05/13 2. Time of investor conference: 14:30 3. Venue of investor conference: 11F, No. 219, Section 3, Nanjing East Road, Taipei City 4. Key information from the investor conference: The company has been invited to an in-person investor conference organized by Yuanta Securities to explain the company's current operations and outlook. 5. Other matters that should be stated: For complete financial and business information, please refer to the investor conference list or investor conference items on the Market Observation Post System. For complete financial and business information, please refer to the investor conference list or investor conference items on the Market Observation Post System.