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The fire incident of a drilling rig in the Gulf of Mexico

May 6, 2010


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Mitsui & Co., Ltd. ("Mitsui") announced today that on April 20, 2010, a third party semi-submersible drilling rig, which was conducting exploration work on the Mississippi Canyon 252 block in the Gulf of Mexico, experienced a fire incident, which sank the drilling rig and resulted in leakage of hydrocarbons from the well. MOEX Offshore 2007 LLC, a 100% subsidiary of MOEX USA Corporation, has a 10% working interest in the Mississippi Canyon 252 block as a non-operator. MOEX USA Corporation is a 100% subsidiary of Mitsui Oil Exploration Co., Ltd. in which Mitsui has a 69.91% equity interest. Mitsui is unable, at this time, to determine the cause of the incident, and the impact, if any, that the incident will have on Mitsui's future operating results, financial position or cash flows. Mitsui continues to monitor the situation.

Notice:
This press release includes forward-looking statements about Mitsui. These forward-looking statements are based on the current assumptions and beliefs of Mitsui in light of the information currently available to it, and involve known and unknown risks, uncertainties and other factors. Such risks, uncertainties and other factors may cause Mitsui's actual results, performance, achievements or financial position to be materially different from any future results, performance, achievements or financial position expressed or implied by these forward-looking statements. The risks, uncertainties and other factors referred to above include, but are not limited to, those contained in Mitsui's latest annual report on Form 20-F, which has been filed with the U.S. Securities and Exchange Commission.
This press release is published in order to publicly announce specific facts stated above, and does not constitute a solicitation of investments or any similar act inside or outside of Japan, regarding the shares, bonds or other securities issued by us.

Information

For inquiries on this matter, please contact

Mitsui & Co., Ltd.
Investor Relations Division
Telephone: +81-3-3285-7910
Facsimile: +81-3-3285-9819
infoTKADZ@mitsui.com
Mitsui & Co., Ltd.
Corporate Communications Division
Kazuhisa Kawamura
Telephone: +81-3-3285-7540
Facsimile: +81-3-3285-9819