[Chang Yuan] Announcement Regarding the Institutional Investor Conference on May 22, 2026

In compliance with Article 4, Paragraph XX, Item 12. Date of event: 2026/05/22. 1. Date of the institutional investor conference: 2026/05/22. 2. Time of the institutional investor conference: 14:00. 3. Location of the institutional investor conference: Online conference. 4. Summary of the institutional investor conference: To provide an overview of the company's profile and operational status. Please join punctually by 13:55 on 2026/05/22. The Google Meet connection code for the day is oxk-ppce-wrx. Meeting link: https://meet.google.com/oxk-ppce-wrx. 5. Other remarks: None. For complete financial and business information, please refer to the institutional investor conference overview or the investor conference section on the Market Observation Post System.