Enbridge Energy Partners, L.P. (Partnership) is engaged in owning and operating crude oil and liquid petroleum transportation and storage assets, and natural gas gathering, treating, processing, transportation and marketing assets in the United States. The Company operates in three business segments: liquids, natural gas and marketing. During the year ended December 31, 2009, the portfolio of the Company’s assets included approximately 5,900 miles of crude oil gathering and transportation lines and 28.9 million barrels of crude oil storage and terminaling capacity; natural gas gathering and transportation lines totaling approximately 10,000 miles; nine natural gas treating and 22 natural gas processing facilities with an aggregate capacity of approximately 2,900 million cubic feet per day (MMcf/d); trucks, trailers and railcars for transporting natural gas liquids (NGLs), crude oil and carbon dioxide, and marketing assets that provide natural gas supply and sales services.