425: NorthWestern Energy Promotes Black Hills Merger in Montana

NorthWestern Energy launched radio advertisements in Montana to highlight the benefits and local commitment of its planned merger with Black Hills Corporation.

Summary

• NorthWestern Energy began airing two radio advertisements in Montana on December 29, 2025, promoting its planned merger with Black Hills Corporation.
• The merger, initially disclosed on August 18, 2025, aims to create a stronger regional energy company prepared for long-term reliable service and innovative solutions.
• The ads emphasize that current NorthWestern Energy employees in Montana will continue to serve customers, and the combined entity will maintain local management and operation, regulated by the Montana Public Service Commission.
• The communication includes forward-looking statements regarding anticipated benefits such as improved financial and operating results, strategic rationale, estimated rate bases, investment opportunities, cash flows, and capital expenditure rates.
• Black Hills Corporation intends to file a registration statement on Form S-4, which will include a joint proxy statement/prospectus for shareholders of both companies regarding the proposed transaction.

Sentiment

Score: 8

Explanation: The filing is highly promotional, reinforcing the strategic benefits and local commitment of a previously announced merger. It aims to build positive sentiment and support for the transaction.

Positives

• The planned merger is expected to create a stronger regional energy company, enhancing long-term stability and service capabilities.
• The combined entity is projected to deliver reliable service and innovative solutions for decades to come.
• NorthWestern Energy assures that existing Montana employees will remain, maintaining local presence and service continuity.
• Management and operations in Montana will continue to be local and regulated by the Montana Public Service Commission, ensuring decisions are made close to home.
• Anticipated benefits include improved future financial and operating results, positive impact on earnings, and enhanced strategic and financial rationale, including estimated rate bases, investment opportunities, cash flows, and capital expenditure rates.

Negatives

• NA

Risks

• Delays in consummating the potential transaction due to required regulatory and shareholder approvals, which may not be obtained on the expected timeline or at all.
• The risk of any event, change, or other circumstance that could lead to the termination of the merger agreement.
• Required regulatory approvals may be subject to conditions not anticipated by NorthWestern and Black Hills.
• The possibility that anticipated benefits and projected synergies of the transaction will not be realized or will not be realized within the expected time period.
• Disruption to the parties' businesses due to the announcement and pendency of the transaction, including potential distraction of management and challenges in retaining and hiring key personnel.
• Reputational risk and the reaction of each company's customers, suppliers, employees, or other business partners to the transaction.
• The possibility that the transaction may be more expensive to complete than anticipated due to unexpected factors or events.
• The outcome of any legal or regulatory proceedings that may be instituted against NorthWestern or Black Hills related to the merger agreement or the transaction.
• Risks associated with third-party contracts containing consent and/or other provisions that may be triggered by the proposed transaction.
• Legislative, regulatory, political, market, economic, and other conditions, developments, and uncertainties affecting NorthWestern's and Black Hills' businesses.
• The evolving legal, regulatory, and tax regimes under which NorthWestern and Black Hills operate.
• Restrictions during the pendency of the proposed transaction that may impact NorthWestern's or Black Hills' ability to pursue certain business opportunities or strategic transactions.
• Unpredictability and severity of catastrophic events, including extreme weather, natural disasters, acts of terrorism, or outbreak of war or hostilities, as well as the companies' response to such factors.

Future Outlook

The planned merger between NorthWestern Energy and Black Hills Corporation is expected to create a stronger regional energy company, prepared for the long term, delivering reliable service and innovative solutions for decades. The combined entity anticipates improved future financial and operating results, including positive impacts on earnings, and enhanced strategic and financial rationale, with estimated rate bases, investment opportunities, cash flows, and capital expenditure rates.

Management Comments

• NorthWestern Energy is building a strong foundation for Montana's energy needs today and tomorrow.
• A planned merger with Black Hills Corp. will create a stronger regional energy company, prepared for the long term and ready to deliver reliable service and innovative solutions for decades to come.
• The familiar NorthWestern Energy employees serving you now who live and work right here in Montana will not change.
• Montana's energy future starts with a strong foundation; NorthWestern Energy is committed to meeting today's needs while planning for tomorrow.
• Montana will continue to be managed and operated locally and regulated by the Montana Public Service Commission, ensuring decisions are made close to home.

Industry Context

This communication highlights a trend in the utility sector towards regional consolidation, aiming to leverage scale for enhanced reliability, long-term planning, and innovative service delivery. The emphasis on local management and regulatory oversight in Montana reflects the importance of community engagement and state-level regulatory relationships in the energy industry, particularly for essential service providers.

Stakeholder Impact

• Shareholders: Will receive Black Hills common stock as merger consideration and are urged to read the joint proxy statement/prospectus before making voting or investment decisions.
• Employees: NorthWestern Energy assures that current Montana employees will continue to serve, implying job security and continuity for local staff.
• Customers: Expected to benefit from a stronger regional energy company, reliable service, and innovative solutions, with continued local management and regulation.
• Regulators: The Montana Public Service Commission will continue to regulate the combined entity's operations in Montana, maintaining local oversight.

Next Steps

• Black Hills Corporation intends to file a registration statement on Form S-4 with the SEC to register shares of Black Hills common stock for NorthWestern Energy stockholders.
• The registration statement will include a joint proxy statement/prospectus for stockholders of both NorthWestern and Black Hills.
• Shareholder approvals from both companies are required for the transaction to be consummated.
• Required regulatory approvals must be obtained for the merger to proceed.

Key Dates

Recommendation

This filing is a promotional communication regarding a previously announced merger, not a financial results announcement or a new strategic development. It reiterates the anticipated benefits and local commitment of the merger, which is already factored into the stock price. There is no new material financial information to warrant a change in investment thesis, thus a 'hold' recommendation is appropriate for investors awaiting the merger's completion.

Keywords

NorthWestern Energy, Black Hills Corporation, Merger, Acquisition, Energy Utility, Montana, SEC Filing, Radio Ads, Corporate Governance, Shareholder Approval, Regulatory Approval, Utility Sector