Attached files

file filename
EX-4.5 - EXHIBIT 4.5 DESCRIPTION OF CAPITAL STOCK - NORTHWESTERN CORPexhibit45descriptionofcapi.htm
EX-32.1 - EXHIBIT 32.1 CERTIFICATION OF ROBERT C. ROWE PURSUANT TO SECTION 906 - NORTHWESTERN CORPexhibit321certification2020.htm
EX-32.2 - EXHIBIT 32.2 CERTIFICATION OF BRIAN B. BIRD PURSUANT TO SECTION 906 - NORTHWESTERN CORPexhibit322certification2020.htm
EX-31.2 - EXHIBIT 31.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER - NORTHWESTERN CORPexhibit312certification2020.htm
EX-31.1 - EXHIBIT 31.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER - NORTHWESTERN CORPexhibit311certification2020.htm
EX-23 - EXHIBIT 23 AUDITOR CONSENT - NORTHWESTERN CORPexhibit23consent10k2020.htm
10-K - 10-K - NORTHWESTERN CORPnwe-20201231.htm

Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
NameState of Jurisdiction of Incorporation or Limited Partnership
The Clark Fork and Blackfoot, L.L.C.Montana
NorthWestern Services, LLCDelaware
Canadian-Montana Pipe Line CorporationCanada
Risk Partners Assurance, Ltd.Bermuda
Lodge Creek Pipelines, LLCNevada
Willow Creek Gathering, LLCNevada
Havre Pipeline Company, LLCTexas
NorthWestern Energy Solutions, Inc.Delaware