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 2:00 p.m. ET on Nov. 2, 2007, through Dec. 2, 2007, at 800-475-6701, access code 892085.
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.

