[Weikeng] Announcement regarding the Company's self-hosted investor conference

Compliance with Article 4, Paragraph XX: 12. Date of occurrence: 2026/05/28. 1. Date of the investor conference: 2026/05/28. 2. Time of the investor conference: 14:00 PM. 3. Location of the investor conference: 11F, No. 308, Sec. 1, Neihu Rd., Taipei City (Conference Room 810). 4. Summary of the investor conference: 1. Institutional investors wishing to attend must complete online registration by 12:00 PM on May 27, 2026, via the 'Investor Relations' section on the company's website (https://www.weikeng.com.tw/conference.php). 2. This conference is intended for institutional investors. Individual investors are requested to watch the post-conference recording via the Taiwan Stock Exchange website (https://mops.twse.com.tw/mops/#/web/t100sb02_1) or the company's website (https://www.weikeng.com.tw/conference.php). 3. In line with environmental policies, no printed materials will be distributed. Participants can download the materials from the company's website after 1:30 PM on May 27, 2026. 5. Other matters: None. For complete financial and business information, please refer to the investor conference list or the investor conference section on the Market Observation Post System.