PUBLIC COMPANY LIMITED PTG ENERGY PUBLIC COMPANY LIMITED PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED PTT OIL AND RETAIL BUSINESS PUBLIC COMPANY LIMITED
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
INNOVATION PUBLIC COMPANY 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
(“developer”) from the personnel who operate in the system administration (“system administrator”) in the production environment. In the case that duties cannot be segregated due to the size of the business