Air Pollution Control Equipment Services, Coal

ITC Signs Green Power Express Agreement With MDU Resources

07 July 2009– ITC Holdings Corp. announced it has entered into an agreement with MDU Resources Group, Inc. to participate in ITC’s Green Power Express transmission project.

The Green Power Express transmission network project will provide grid access for many of the highest efficiency wind-farms in the upper Midwest and traverse portions of North Dakota, South Dakota, Minnesota, Iowa, Wisconsin, Illinois and Indiana. It will ultimately include approximately 3,000 miles of extra high-voltage 765 kV transmission and will connect with existing lines in Illinois and Indiana. The project will facilitate the flow of up to 12,000 MW of renewable power to the Midwest and mid-Atlantic regions of the United States. It is currently estimated to cost approximately $10 to 12 billion.

According to a study by CRA International, movement of up to 12,000 MW of transfer capacity for wind power and the connectivity of more than 20,000 MW through the Green Power Express project would result in a reduction of up to 34 million metric tons in carbon emissions, equivalent to the yearly emissions of about seven to nine 600 MW coal plants.

MDU will collaborate with ITC on development efforts and securing the approvals needed to move the project forward. Green Power Express, LP, will operate as an independent transmission company.

MDU Resources Group, Inc. is comprised of both regulated and non-regulated businesses that, collectively, operate across much of the U.S.

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