NorthWestern to Host Year End 2007 Financial Results Conference Call

SIOUX FALLS, S.D., Feb. 21  /PRNewswire-FirstCall/ -- NorthWestern Corporation d/b/a NorthWestern Energy (NASDAQ:NWEC) today announced that it will host an investor conference call on Thursday, February 28, 2008 at 11:00 a.m. Eastern Time (10:00 a.m. Central Time) to review its financial results for the year ended December 31, 2007.

The conference call will be webcast live on the Internet at http://www.northwesternenergy.com/ under the "Investor Information" heading. To listen, please go to the site at least 10 minutes in advance of the call to register.  An archived webcast will be available shortly after the call.

A telephonic replay of the call will be available beginning at noon ET on February 28, 2008, through March 28, 2008, at 800-475-6701, access code 912551.

About NorthWestern Energy

NorthWestern Energy is one of the largest providers of electricity and natural gas in the Upper Midwest and Northwest, serving more than 640,000 customers in Montana, South Dakota and Nebraska.  More information on NorthWestern Energy is available on the Company's Web site at http://www.northwesternenergy.com/. 

DATASOURCE: NorthWestern Corporation



CONTACT:  Media, Claudia Rapkoch, 1-866-622-8081,

, or Investor Relations, Dan Rausch,

[phone], , both of NorthWestern

Corporation



Web site:  http://www.northwesternenergy.com/ 

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