[King Yuan Electronics] The company has been invited to participate in the Asian Investment Conference organized by UBS Securities

Clause 4, Item XX applies: 12 Date of occurrence: 2026/05/26 1. Date of the investor conference: 2026/05/26 ~ 2026/05/27 2. Time of the investor conference: 09:00 AM 3. Location of the investor conference: Four Seasons, Hong Kong 4. Summary of the investor conference: The company has been invited to participate in the Asian Investment Conference organized by UBS Securities (UBS). Please refer to the Market Observation Post System for the presentation materials. 5. Other explanatory matters: None For complete financial and business information, please refer to the investor conference list or the investor conference section of the Market Observation Post System.