Percentage of Issued shares and voting rights 1. PTT Global Chemical Public Company Limited* 340,565,223 22.73 2. PTT Public Company Limited* 338,266,861 22.58 3. Thaioil Power Co., Ltd.* 311,425,457 20.79 4
Thonburi • Independent Director and Chairman of the Audit Committee, Siam Commercial Bank Public Company Limited • Independent Director and Chairman of the Audit Committee, PTT Global Chemical Public Company
Commission (OIC) • Independent Director and Chairman of the Audit Committee, PTT Global Chemical Public Company Limited • Chairman of the Audit Committee, the Thai Institute of Directors (IOD) • Advisory