: PTG ENERGY PUBLIC COMPANY LIMITED PTL: POLYPLEX (THAILAND) PUBLIC COMPANY LIMITED PTT: PTT PUBLIC COMPANY LIMITED PTTEP: PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED PTTGC: PTT GLOBAL CHEMICAL

LIMITED PTG: PTG ENERGY PUBLIC COMPANY LIMITED PTL: POLYPLEX (THAILAND) PUBLIC COMPANY LIMITED PTT: PTT PUBLIC COMPANY LIMITED PTTEP: PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED PTTGC: PTT GLOBAL