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Record of Events : 2005
  • The 5th Gas Separation Plant started commissioning.
  • A merger of National Petrochemical Corporation Plc and Thai Olefins Plc as a new company: PTT Chemicals Plc. took place.
  • PTT acquired shares of TPI Plc. or IRPC Plc. at present.
  • Established PTT Polymer Marketing Co., Ltd. to market plastic pellets of PTT Group.