MDU Resources Group, Inc. (MDU) SEC Filings & Earnings Calls

Regulatory and Environmental Compliance Costs

“In May 2024, the EPA published four final rules, affecting power sector GHG standards, mercury controls, effluent limits and coal ash management. ... Depending on final outcomes, compliance costs, and regulatory recovery of compliance costs from customers, these rules could have a material adverse effect on the Company's results of operations and cash flows.” · word for word

Interest Rate Exposure

“Interest expense increased $3.6 million, primarily due to higher long-term debt balances.” · word for word

Supply Chain and Tariff Risks

“Tariff increases on raw materials could negatively affect the Company's construction projects and maintenance work.” · word for word

Litigation on Climate Policies

“In April 2026, Cascade joined with 28 other companies, organizations and individuals in filing a lawsuit in the Oregon Court of Appeals challenging the OEQC's statutory authority to adopt the CPP and asking the court to invalidate the CPP.” · word for word

Regulatory approval risk for rate cases and pipeline project.

“North Dakota electric rate case filed; Montana interim rates subject to refund; Bakken East Pipeline requires FERC approval.”

Project execution risk for Bakken East Pipeline; no final investment decision yet.

“The company has not reached a final investment decision on this project” · word for word

Weather sensitivity impacting utility volumes; milder weather reduced EPS by $0.03.

“Milder weather unfavorably impacted results by approximately $0.03 per share” · word for word

Regulatory Compliance Cost

“EPA rules on GHG, mercury, and coal ash could have material adverse effect on results and cash flows.”

Weather Sensitivity

“Warmer weather reduced natural gas distribution volumes by 15.9% in Q1.”

Tariff Input Cost Pressure

“Tariff increases on raw materials could negatively affect construction projects and maintenance work.” · word for word

Cybersecurity Breach Risk

“We are subject to technology risks, including failures, security breaches, and cybersecurity breaches, that could harm our business.” · word for word

Regulatory Risk

“The company operates in a regulated environment and is subject to rate case outcomes and regulatory approvals.”

Tariff-driven cost increases

“Imposed and proposed tariffs could significantly increase the prices and delivery lead times on raw materials and finished products that are critical to the Company and its customers.” · word for word

Wildfire liability and insurance cost

“due to the increase in wildfire losses and related insurance claims, insurers have reduced coverage availability and increased the cost of insurance coverage for such events in recent years” · word for word

Data center demand concentration risk

“The addition of high volume customers or multiple customers serving the same industry, such as data center load, may increase the concentration of sales and increase revenue and earnings volatility.” · word for word

Regulatory lag

“Because of this process, the Company could have assets placed in service without the benefit of rate relief, commonly referred to as regulatory lag.” · word for word

Higher operating costs in electric utility segment

“Electric utility earnings down due to higher operation and maintenance expense, including payroll, outage-related costs, software, and insurance.”

Weather-related variability

“Results affected by weather-related variability despite customer growth.”

Debt covenant compliance risk; cross-default provisions.

“Agreement contains customary covenants and events of default.”

Potential dilution if forward sale agreements are physically settled; floating interest rate factor may affect forward price.

“Forward sale price initially $18.90; subject to adjustments; physical settlement would dilute EPS.”

Low drawn amount relative to facility suggests ample liquidity; financial covenant limits debt to 65% of capitalization.

“ratio of funded debt to total capitalization ... not to be greater than 65%” · word for word

Potential dilution from physical settlement of forward sale agreements.

“10,152,284 shares at $19.04; dilution if physically settled.”

Execution risk on large capex plan; equity issuance needed ($150-175M in 2026).

“Equity issuance in the range of $150 million to $175 million is anticipated in 2026” · word for word

EPA emissions regulation cost

“If the rules go into effect, it could require owners of Coyote station to incur significant new costs.” · word for word

Tariff and supply chain disruption

“Tariff increases on raw materials could negatively affect the Company's construction projects and maintenance work.” · word for word

Interest rate sensitivity

“The Company continues to manage the inflationary pressures experienced throughout the United States, including the impact that inflation, higher interest rates, changes in tariffs, commodity price volatility and supply chain disruptions may have on its business.” · word for word

Higher O&M costs from payroll and outages pressuring electric and gas margins.

“higher operation and maintenance expense, particularly related to increased payroll-related costs as well as outages at Coyote and Wygen 3 generating stations” · word for word

Cooler summer temperatures reducing residential/commercial retail sales volumes.

“Residential and commercial retail sales volumes declined, mainly due to cooler summer temperatures” · word for word

Regulatory lag in rate cases could delay cost recovery.

“Multiple rate cases filed; interim rates requested; decisions pending.”