CH. Karnchang Public Company Limited announced that it has signed as the Contractor in the Contract for maintenance and improvement of the civil works of the Si Rat Expressway and the Prachim Ratthaya Expressway with Bangkok Expressway and Metro Public Company Limited as the Employer per the details of works as follows: Execution Date is January 15, 2024. Estimated Contract Value is THB 618,161,290 (excluding value added tax).

Operation Periods is Approximately 18 months.