NorthWestern Energy (NWE) VP John Hines to retire Feb 2, 2026

NorthWestern Energy Group, Inc. (NWE) reported a leadership transition.

Rhea-AI Filing Summary

NorthWestern Energy Group, Inc. (NWE) reported a leadership transition. John Hines, Vice President — Supply / Montana Government Affairs, will retire from his position effective February 2, 2026.

The company recognized his 20 years of service, including nearly 15 years as Vice President, noting contributions to rebuilding the Montana electric portfolio after deregulation, maintaining resource adequacy in Montana and South Dakota, and modernizing older generation assets.

8-K Event Classification

2 items: 5.02, 9.01

2 items

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did NorthWestern Energy (NWE) announce in this 8-K?

The company announced that Vice President John Hines will retire effective February 2, 2026.

What is John Hines’ role at NorthWestern Energy (NWE)?

He serves as Vice President — Supply / Montana Government Affairs and is a named executive officer.

When is John Hines’ retirement effective at NWE?

His retirement is effective February 2, 2026.

How long has John Hines served at NWE?

He has 20 years of service, including nearly 15 years as Vice President.

What contributions did NWE attribute to John Hines?

Rebuilding the Montana electric portfolio after deregulation, maintaining resource adequacy in Montana and South Dakota, and modernizing older generators.

Which 8-K item covers this update for NWE?

Item 5.02—Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/31/2025 - 04:15 PM Learn about SEC filing dates

0001993004false00019930042025-10-272025-10-27

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 27, 2025

NorthWestern Energy Group, Inc.

(Exact name of registrant as specified in its charter)

Delaware

000-56598

93-2020320

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

3010 W. 69th Street

Sioux Falls

South Dakota

57108

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: 605-978-2900

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Registrant			Title of each class			Trading Symbol(s)			Name of each exchange on which registered
NorthWestern Energy Group, Inc.			Common stock			NWE			Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

☐

Item 5.02    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

(b) Resignation of Named Executive Officer

On October 27, 2025, John Hines, Vice President — Supply / Montana Government Affairs of NorthWestern Energy Group, Inc. (Nasdaq: NWE) (the "Company"), announced that he will retire from his position with the Company as of February 2, 2026.

The Company appreciates the 20 years of service, including nearly 15 years in his Vice President role, Mr. Hines has dedicated to shaping the Company’s energy future. His leadership helped rebuild the Company's electric portfolio in Montana following deregulation and maintain resource adequacy in Montana and South Dakota while also modernizing older and less efficient generators. The Company is deeply grateful for his leadership, integrity, and commitment to balancing the needs of shareholders, customers, and employees.

Item 9.01    Financial Statements and Exhibits.

Exhibit No.						Description of Document
104						Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

						NorthWestern Energy Group, Inc.
			By:			/s/ Timothy P. Olson
						Timothy P. Olson
						Corporate Secretary

Date: October 31, 2025