[Universal Cement] Announcement of Investor Conference

Relevant Clause: Article 4, Section XX: 12 Date of Event: May 22, 2026 1. Date of Investor Conference: May 22, 2026 2. Time of Investor Conference: 14:00 3. Location: 13th Floor, No. 8, Dongxing Road, Songshan District, Taipei (Uni-President Securities, Conference Room 1302) 4. Brief Summary: The Company has been invited by Uni-President Securities to participate in an investor conference. 5. Other matters: None For full financial and business information, please refer to the Investor Conference table or section on the Market Observation Post System (MOPS).