March

High Country Energy, LLC, and Wisconsin Public Service Corporation Announce Agreement on Wind Farm Purchase

Minneapolis, Minn. – High Country Energy, LLC, and Wisconsin Public Service Corporation (WPSC), a subsidiary of Integrys Energy Group, Inc. (NYSE: TEG), announced today that WPSC has signed a letter of intent to acquire a 150-Megawatt (MW) portion of the High Country wind project. The High Country Wind Energy Park, located in Dodge and Olmsted Counties, Minnesota, is planned to include a total of over 300 MW.

Video of March 14, 2008 Press Conference Announcing Wisconsin Public Service Corp. Letter of Intent