 BUTTE, Mont. and SIOUX FALLS, S.D., July 07, 2022 GLOBE NEWSWIRE -- NorthWestern Corporation dba NorthWestern Energy Nasdaq: NWE today announced that it will host an investor webinar on Thursday, July 28, 2022, at 3:30 p.m. Eastern Daylight Time to review its financial results for the quarter ending June 30, 2022. The Company also plans to issue a news release detailing its second quarter financial results the evening of July 27, 2022, after stock market close. 