MOECO acquired interests in three onshore blocks in the Arab Republic of Egypt

July 8, 2010 Project

Mitsui Oil Exploration Co., Ltd. ("MOECO") is pleased to announce that Mitsui E&P Middle East B.V.（MEPME）, which is owned 40% by Moeco International B.V.（a 100% subsidiary of MOECO）, acquired from International Finance Corporation interests in three onshore blocks（Meleiha/Meleiha Deep: 726 square kilometers, West Razzak: 80 square kilometers） in the Arab Republic of Egypt in June, 2010. The relevant interest owners in each block are as follows.

◆Meleiha Block （Production）

Interest owner	Interest
IEOC Production B.V.（Operator）	56%
LUKOIL Overseas Egypt Ltd.	24%
MEPME	20%

◆Meleiha Deep Block （Exploration）

Interest owner	Interest
IEOC Production B.V.（Operator）	80%
MEPME	20%

◆West Razzak Block （Production）

Interest owner	Interest
IEOC Production B.V.（Operator）	80%
MEPME	20%