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MDU RESOURCES GROUP INC

For the period ended Dec 31, 2025. Filed Feb 20, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 20, 2026

MDU$19.28+0.2%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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4. Revenue from Contracts with Customers

Note 4 -Revenue from Contracts with Customers

Revenue is recognized when a performance obligation is satisfied by transferring control over a product or service to a customer. Revenue is measured based on consideration specified in a contract with a customer and excludes any sales incentives and amounts collected on behalf of third parties. The Company is considered an agent for certain taxes collected from customers. As such, the Company presents revenues net of these taxes at the time of sale to be remitted to governmental authorities, including sales and use taxes.

As part of the adoption of ASC 606 -Revenue from Contracts with Customers, the Company elected the practical expedient to recognize the incremental costs of obtaining a contract as an expense when incurred if the amortization period of the asset that the Company otherwise would have recognized is 12 months or less.

MDU Resources Group, Inc. Form 10-K 81

Index

Part II

Disaggregation

In the following table, revenue is disaggregated by the type of customer or service provided. The Company believes this level of disaggregation best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The table also includes a reconciliation of the disaggregated revenue by reportable segments. For more information on the Company's business segments, see Note 14.

Year ended December 31, 2025ElectricNatural gas distributionPipelineOtherTotal
(In thousands)
Residential utility sales$137,673$654,793$—$—$792,466
Commercial utility sales187,097436,431——623,528
Industrial utility sales38,06644,183——82,249
Other utility sales7,537———7,537
Natural gas transportation—66,978191,542—258,520
Natural gas storage——23,270—23,270
Other74,15962,89414,185722151,960
Intersegment eliminations(553)(345)(74,992)(722)(76,612)
Revenues from contracts with customers443,9791,264,934154,005—1,862,918
Other revenues(6,202)18,196154—12,148
Total external operating revenues$437,777$1,283,130$154,159$—$1,875,066
Year ended December 31, 2024ElectricNatural gas distributionPipelineOtherTotal
(In thousands)
Residential utility sales$140,054$646,049$—$—$786,103
Commercial utility sales171,760399,087——570,847
Industrial utility sales42,88342,588——85,471
Other utility sales7,910———7,910
Natural gas transportation—60,645174,623—235,268
Natural gas storage——23,690—23,690
Other59,28840,70313,139195113,325
Intersegment eliminations(72)(130)(69,222)(195)(69,619)
Revenues from contracts with customers421,8231,188,942142,230—1,752,995
Other revenues(7,417)12,033367—4,983
Total external operating revenues$414,406$1,200,975$142,597$—$1,757,978
Year ended December 31, 2023ElectricNatural gas distributionPipelineOtherTotal
(In thousands)
Residential utility sales$136,274$724,600$—$—$860,874
Commercial utility sales170,321442,507——612,828
Industrial utility sales43,06345,205——88,268
Other utility sales7,270———7,270
Natural gas transportation—52,465145,297—197,762
Natural gas storage——18,254—18,254
Other54,50815,14113,87411983,642
Intersegment eliminations(138)(301)(62,533)(119)(63,091)
Revenues from contracts with customers411,2981,279,617114,892—1,805,807
Other revenues(10,261)7,619187—(2,455)
Total external operating revenues$401,037$1,287,236$115,079$—$1,803,352

82 MDU Resources Group, Inc. Form 10-K

Index

Part II

Remaining performance obligations

The remaining performance obligations at the pipeline segment include firm transportation and storage contracts with fixed pricing and fixed volumes. The Company has applied the practical expedient that does not require additional disclosures for contracts with an original duration of less than 12 months to certain firm transportation and non-regulated contracts. The Company's firm transportation and storage contracts included in the remaining performance obligations have weighted average remaining durations of less than four years andone year, respectively.

At December 31, 2025, the Company expects to recognize revenue in future periods from remaining performance obligations, as follows:

12 months or lessNext 13-24 months25 months or moreTotal
(In Millions)
$86.8$79.1$365.6$531.5
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