PSG: PSG CORPORATION PUBLIC COMPANY LIMITED PTC: PREMIER TANK CORPORATION PUBLIC COMPANY LIMITED PTTEP: PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ROCK: ROCKWORTH PUBLIC COMPANY LIMITED ROH

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

: 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

PUBLIC COMPANY LIMITED PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED PTT OIL AND RETAIL BUSINESS PUBLIC COMPANY LIMITED PTT PUBLIC COMPANY LIMITED PTTEP

Thai listed companies, namely Bangchak Corporation Public Company Limited (BCP), PTT Exploration and Production Public Company Limited (PTTEP), PTT Public Company Limited and Thai Oil Public Company

Award, given to the top 20 companies obtaining the highest scores in ASEAN, including four Thai listed companies, namely Bangchak Corporation Public Company Limited (BCP), PTT Exploration and Production

Thai and foreign companies. Holding company business will thus have a greater opportunity to grow and become another channel of diversified investment for those who wish to own several local and/or

increase efficiency and enhance competitiveness. Steps to be taken involve: demutualizing the SET, transforming it into a public limited company, separating exchange business (Exchange Company: EXCO) from

given more responsibilities in protecting investors’ rights to investment advice and quality information in the form of financial statements or otherwise. For example, listed companies must comply with