NWE NorthWestern Energy Group Inc

NorthWestern Corporation d/b/a NorthWestern Energy (Nasdaq: NWE) today announced that it will host an investor webinar on Wednesday, July 26, 2023, at 11:00 a.m. Eastern to review its financial results for the quarter ending June 30, 2023. The Company also plans to issue a news release detailing its financial results the evening of Monday, July 24, 2023.

To register for the webinar, please visit www.northwesternenergy.com/earnings-registration. Please go to the site at least 15 minutes in advance of the webinar to register. An archived webcast will be available shortly after the event and remain active for one year.

NorthWestern Energy - Delivering a Bright Future

NorthWestern Energy provides essential energy infrastructure and valuable services that enrich lives and empower communities while serving as long-term partners to our customers and communities. We work to deliver safe, reliable, and innovative energy solutions that create value for customers, communities, employees, and investors. We do this by providing low-cost and reliable service performed by highly-adaptable and skilled employees. We provide electricity and / or natural gas to approximately 764,200 customers in Montana, South Dakota, Nebraska, and Yellowstone National Park. We have provided service in South Dakota and Nebraska since 1923 and in Montana since 2002.

Investor Relations Contact:	Media Contact:
Travis Meyer	Jo Dee Black
(605) 978-2967	(866) 622-8081
travis.meyer@northwestern.com	jodee.black@northwestern.com