【Chicony】Announcement of the company's participation in an investor conference hosted by Cathay Securities, where the company's business overview and future prospects will be explained to investors.

In accordance with Article 4, Paragraph XX, Item 12: Date of occurrence of the event: May 11, 2026 (ROC calendar) 1. Date of investor conference: May 11, 2026 2. Time of investor conference: 15:00 3. Location of investor conference: 5F, No. 218, Sec. 2, Dunhua S. Rd., Taipei City 4. Key message of investor conference: Announcement of the company's participation in an investor conference hosted by Cathay Securities, where the company's business overview and future prospects will be explained to investors. 5. Other matters that need to be specified: 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.