CH. Karnchang Public Company Limited announced that, the Stock Exchange of Thailand that the Company has signed the Construction Contract of Underground Manholes and Ductbanks in conjunction with the Rama 3-Dao Khanong-Western Outer Ring Road Expressway Project: Contract 4 with Metropolitan Electricity Authority, per the details of works as follows: Execution Date: June 21, 2021. Total Contract Value: THB 89,636,040 (VAT included). Construction Period: Approximately 614 days.