Company Documents Company Certificate (Only Thai Version) Articles of Association (Only Thai Version) memorandum (Only Thai Version) Charter of the Board of Directors (Only Thai Version) Charter of the Audit Committee (Only Thai Version) Charter of the Nomination and Remuneration Committee (Only Thai Version) Charter of the Executive Committee (Only Thai Version) Charter of the Corporate Governance and Risk Management Committee (Only Thai Version) Charter of the Sustainability Committee (Only Thai Version) The Authorities and Responsibilities of the Chairman The Authorities and Responsibilities of the Managing Director