[CMSI] Notice of Investor Meeting (May 26, 2026)

In accordance with Article 4, Section XX: 12 Date of occurrence: 115/05/26 1. Date of investor meeting: 115/05/26 2. Time of investor meeting: 15:15 3. Venue: Regent Taipei (4F VIP Hall, No. 3, Lane 39, Section 2, Zhongshan North Road, Taipei City) 4. Key points of the meeting: The company has been invited to attend the 'Taishin 2026 Q2 Global Investment Forum' hosted by Taishin Securities to explain the current status of company operations. 5. Other relevant disclosures: Relevant information will be disclosed on the 'Market Observation Post System' and the company website in accordance with regulations. For full financial and business information, please refer to the investor meeting section on the Market Observation Post System.