 BUTTE, Mont. and SIOUX FALLS, S.D., Oct. 05, 2022 GLOBE NEWSWIRE -- NorthWestern Corporation dba NorthWestern Energy Nasdaq: NWE today announced that it will host an investor webinar on Tuesday, October 25, 2022, at 3:30 PM EDT to review its financial results for the quarter ending September 30, 2022. The Company also plans to issue a news release detailing its third quarter financial results the evening of Monday, October 24, 2022, after stock market close. 