MOECO commences natural gas production from Platong II Project in Gulf of Thailand

October 25, 2011 Project

Mitsui Oil Exploration Co., Ltd. (MOECO) announces that MOECO and its partners including Chevron Thailand Exploration and Production, Ltd. and PTT Exploration and Production Public Company Limited commenced natural gas production from the Platong II project in the Gulf of Thailand on October 20, 2011.

The Platong II project which features newly installed production facilities with added wellhead platforms and production wells in the proximity of existing Platong field will, after ramping up production, produce 330 million cubic feet of natural gas per day and 18,000 barrels of natural gas liquids per day.

The Gulf of Thailand is the core area of operations for MOECO and its subsidiaries. Together with this project, total daily production from all blocks MOECO group participates in this region is expected to reach approximately 2 billion cubic feet of natural gas and 140,000 barrels of crude oil and condensate by the end of 2011, meeting large demand from the Kingdom of Thailand and assuring stable energy supply to contribute to further economic growth in Thailand.