Rising Sun-KY Announces Invitation to Corporate Briefing Hosted by Taishin Securities

In accordance with Article 4, Paragraph XX: 12 Date of occurrence: 2026/04/28 1. Date of corporate briefing: 2026/04/28 2. Time of corporate briefing: 14:30 3. Location of corporate briefing: 11F, No. 97, Sec. 2, Dunhua S. Rd., Da'an Dist., Taipei City 4. Summary of corporate briefing: Our company has been invited to participate in a corporate briefing hosted by Taishin Securities to explain our company's business performance in 2025, operational status in 2026, and future outlook. 5. Other matters that need to be specified: Relevant information and briefing files will also be disclosed on the Public Information Observation Post as required. Investors are welcome to refer to them. For complete financial and business information, please refer to the list of corporate briefings or the corporate briefing section on the Public Information Observation Post.