​ ​ ​Chairman of the Boards of Directors, PTT PCL ​Chairman, Mass Rapid Transit Authority of Thailand Director, PTT Exploration and Production PCL Director and Member of Audit Committee, PTT PCL Chairman and

​ ​ ​Chairman of the Boards of Directors, PTT PCL ​Chairman, Mass Rapid Transit Authority of Thailand Director, PTT Exploration and Production PCL Director and Member of Audit Committee, PTT PCL Chairman and

version only) 7. The Registered Provident Fund of Metropolitan Waterworks Authority's Employee 26 Jul 2018 ​Signatory Declaration (Thai version only)​ 8. Expressway and Rapid Transit Authority of Thailand

version only) 7. The Registered Provident Fund of Metropolitan Waterworks Authority's Employee 26 Jul 2018 ​Signatory Declaration (Thai version only)​ 8. Expressway and Rapid Transit Authority of Thailand