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Butte, Mont. – May 4, 2023 – NorthWestern Energy has filed for an interim decreased supply rate for our approximately 600 Townsend customers with the Montana Public Service Commission.

If approved by the Montana PSC, the decrease for a typical residential customer using 55 therms per month will be on average $15.68 per month in the summer months, $9.04 per month in the winter months and $4.10 per month in the spring months.

NorthWestern Energy is proposing: a 28.4% decrease from $1.76603 per therm from June 1 to Sept. 30 to $1.26444 per therm, (or $1.15787 a gallon); a 20.1% decrease from $1.88883 per therm from Oct. 1 to March 31, 2024 to $1.50804 per therm (or $1.38095 per gallon), and an 18.6% decrease from $1.55550 per therm from April 1 2024 to May 31, 2024 to $1.26444 per therm (or $1.15787 a gallon).

The rate for delivery and service remains unchanged.

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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.

Media Contacts:

Jo Dee Black

866-622-8081

jodee.black@northwestern.com