Thailand’s only fully-integrated gas company having a leading position in the marketing and trading of various crude oil, refined petroleum products. In addition, through interests in associated companies, PTT has invested in Thailand’s petrochemicals and refining industries. Primary business activities include exploration, development and production of natural gas, condensate and crude oil through its subsidiary PTTEP (PTT Exploration and Production). At the end of 2007 PTT bought 25% of EMG’s shares for approximately $490 million