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 3:30 p.m. ET on February 26, 2007, through March 26, 2007, at 800-475-6701, access code 860806.
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 628,500 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 .

