NorthWestern Energy Group, Inc. (NWE): debt financing — NorthWestern Energy subsidiary issues $150M in 5.51% First Mortgage Bonds due 2036

NorthWestern Energy Group, Inc.

Issued $150M aggregate principal of South Dakota First Mortgage Bonds on June 15, 2026.
Bonds carry a 5.51% interest rate and mature on June 15, 2036.
Bonds rank equally with all current and future first-mortgage-secured debt.
NWE Public Service may redeem bonds at any time prior to maturity at a make-whole price.
Proceeds used for general corporate purposes; issuance exempt from SEC registration.

Key facts

Extracted from this filing and checked against the source text.

Debt Financings SEC 8-K Item 2.03/2.04 confidence 0.9

NorthWestern Energy Group, Inc. incurred senior notes of $150 million with The Bank of New York Mellon at 5.51% maturing June 15, 2036.

Instrument: senior notes
Principal: $150 million
Counterparty: The Bank of New York Mellon
Rate: 5.51%
Maturity: June 15, 2036
Event: incurrence

Exact text from the filing

The SD Bonds were drawn and issued in one series as follows: Issue Date Maturity Date Principal Amount Interest Rate June 15, 2026 June 15, 2036 $150 million 5.51%

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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.9

NorthWestern Energy Group, Inc. entered into Twenty-third Supplemental Indenture with The Bank of New York Mellon valued at $150 million (effective 2026-06-01).

Action: entry
Agreement: notes offering
Counterparty: The Bank of New York Mellon
Value: $150 million
Effective: 2026-06-01

Exact text from the filing

The SD Bonds were drawn and issued in one series as follows: Issue Date Maturity Date Principal Amount Interest Rate June 15, 2026 June 15, 2036 $150 million 5.51% The terms of the SD Bonds were established in the Twenty-third Supplemental Indenture, dated as of June 1, 2026 (the " SD Supplemental Indenture "), between NWE Public Service and The Bank of New York Mellon, as trustee.

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Source: SEC EDGAR

accession 0001993004-26-000046

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