NorthWestern to Host Year-End 2009 Financial Results Conference Call

SIOUX FALLS, S.D., Jan. 28  /PRNewswire-FirstCall/ -- NorthWestern Corporation d/b/a NorthWestern Energy (NYSE:NWE) today announced that it will host an investor conference call on Friday, February 12, 2010 at 3:30 p.m. Eastern Time (2:30 p.m. Central Time) to review its financial results for the year ended December 31, 2009.

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 5:30 p.m. ET on February 12, 2010, through March 12, 2010, at 800-475-6701, access code 144451.

About NorthWestern EnergyNorthWestern Energy is one of the largest providers of electricity and natural gas in the Upper Midwest and Northwest, serving approximately 656,000 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/ 

Copyright