[King Slide] Invited to participate in the investor conference hosted by Citi Securities

Compliance with Article 4, Section XX: 12 Date of occurrence: 2026/06/03 1. Date of the investor conference: 2026/06/03 2. Time of the investor conference: 09:00 AM 3. Location of the investor conference: W Taipei 4. Summary of the investor conference: Our company has been invited to participate in the "Citi 2026 Taiwan Tech Conference" hosted by Citi Securities to explain our company's operational overview, financial, and business-related information. 5. Other matters to be noted: None For complete financial and business information, please check the Investor Conference list or the Investor Conference section on the Market Observation Post System (MOPS).