​ ​ ​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

internal auditor) has relevant knowledge, experience, and skills.   Moreover, the board should promote continuous education and development of directors through training and performance evaluation, to ensure

internal auditor) has relevant knowledge, experience, and skills.   Moreover, the board should promote continuous education and development of directors through training and performance evaluation, to ensure

, and the company’s operations.  3.8.2 The board should ensure that directors regularly receive sufficient and continuous training and knowledge development. 3.8.3 The board should have knowledge and

Firm Qualifications   ​having audit quality mangement system which is sufficient and reliable for supervising its auditor'work in compliance with the professional standards on a continuous basis. Such

sufficient and reliable for supervising its auditor's work in compliance with the professional standards on a continuous basis. Such audit quality management system shall comply with the international standard