Shanghai Commercial Bank invited to attend the online investor conference hosted by Hua Nan Securities to explain the operational overview of Q1 2026.

Article 4, Article XX, Clause 12 Date of occurrence: 115/05/18 1. Date of investor conference: 115/05/18 2. Time of investor conference: 14:30 3. Location of investor conference: Online conference 4. Key message of investor conference: The company has been invited to attend the online investor conference hosted by Hua Nan Securities to explain the operational overview of Q1 2026. 5. Other matters to be disclosed: For registration, please contact Ms. Wu at Hua Nan Securities (02) 2545-6888 ext. 8733, Email: 10050@entrust.com.tw Complete financial and business information can be found in the list of investor conferences or the investor conference section on the Market Observation Post System. Keywords: Material Information