NEWS

Acquisition of Interest in Onshore Myanmar

August 31, 2015 Project

Mitsui Oil Exploration Co., Ltd. ("MOECO") is pleased to announce that wholly-owned subsidiaries of MOECO assumed 10% participating interest in each of the Production Sharing Contracts covering Myanmar onshore exploration blocks PSC-G and EP-2 from PTTEP South Asia Limited (Head office: Bangkok, Thailand, "PTTEP"), a wholly-owned subsidiary of PTT Exploration and Production Public Company Limited.

Interests after the transfer being as follows:

Block PSC-G

PTTEP(Operator)

70%

Palang Sophon Offshore Pte. Ltd.

10%

Win Precious Resources Pte. Ltd.

10%

MOECO ASIA PSCG PTE. LTD.

10%

Block EP-2

PTTEP(Operator)

70%

Palang Sophon Offshore Pte. Ltd

10%

Win Precious Resources Pte. Ltd.

10%

MOECO ASIA EP2 PTE. LTD.

10%

MOECO has positioned Myanmar and other targeted parts of South East Asia as its core business area. After the acquisition of the interests in Block PSC-G and EP-2, MOECO participates 6 Blocks in Myanmar and aims to further expand its business and pursues further acquisitions of new projects in the region and globally.