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Mitsui & Co. (U.S.A.), Inc.

Dissolution of United Harvest Joint Venture with CHS Inc.

FOR IMMEDIATE RELEASE

Dec. 17, 2010


Main Contents

Mitsui & Co., Ltd. ("Mitsui", head office: Tokyo, President and CEO: Masami Iijima) agreed to dissolve United Harvest, LLC ("UH", head office: U.S.A.), a joint venture company which was established in 1998 and equally owned by CHS Inc. ("CHS", head office: U.S.A., listed on NASDAQ) and United Grain Corp. ("UGC", head office: U.S.A., 100% owned by Mitsui). CHS and UGC signed the dissolution agreement on December 16, 2010. The dissolution of UH is expected to be completed on March 31, 2011.

Upon the dissolution of UH, the leases of the grain export terminals from CHS and UGC to UH will be cancelled. The management of the export terminals will revert to each owner and each owner will undertake the business associated with each export terminal. UGC will continue the business of grain accumulation and export as a sole manager of the Vancouver Export Terminal and of the country elevators in Montana.

In addition, Mitsui determined that it will make an additional investment of US$72 million in UGC which will be used to expand the Vancouver Export Terminal. Mitsui's total investment in UGC will be approximately US$200 million including this additional investment. The expansion will enable UGC to increase its trading volume and secure a stable supply of the U.S. grain mainly to Asian market. The expansion is expected to be completed in the summer, 2012.

The global demand for grain is expected to increase as world population grows and as the economy in the emerging countries continues to improve. Mitsui will strive to strengthen the grain business as one of its core business areas through the expansion and development of UGC's grain accumulation and export business in the U.S.

United Harvest, LLC

Established 1998
Head Office Washington, U.S.A.
Ownership before dissolution CHS 50%, UGC 50%
Business Grain origination and export

CHS Inc

Established 1998
Head Office Minnesota, U.S.A.
Business A major grains and food and energy company listed on NASDAQ. Operations include grain origination and export, and oil refining and sales.

United Gain Corp.

Established 1969
Head Office Oregon, U.S.A.
Ownership before dissolution Mitsui & Co. (U.S.A.), Inc. (A wholly owned subsidiary of Mitsui) 80%, Mitsui 20%
Business Grain merchandising

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
E-Mail : infoTKADZ@mitsui.com
Mitsui & Co., Ltd.
Corporate Communications Division
Kayo Kobayashi
Telephone: +81-3-3285-7618
Facsimile: +81-3-3285-9819
Mr. Shinichi Hirabayashi
Research & Public Affairs Center
Tel. (212) 878-4068