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Knife River Corp

For the period ended Sep 30, 2025. Filed Nov 5, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 5, 2025

KNF$58.43-0.9%Stored close · as of Nov 10, 2026

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

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11. Goodwill and other intangible assets

Note 11 -Goodwill and other intangible assets

The changes in the carrying amount of goodwill were as follows:

Balance at January 1, 2025Goodwill Acquired During the YearMeasurement Period AdjustmentsBalance at September 30, 2025
(In thousands)
West$123,674$11,904$819$136,397
Mountain26,816——26,816
Central115,322172,492(13,020)274,794
Energy Services31,413—(39)31,374
Total$297,225$184,396$(12,240)$469,381
Balance at January 1, 2024Goodwill Acquired During the YearMeasurement Period AdjustmentsBalance at September 30, 2024
(In thousands)
West$123,599$43$—$123,642
Mountain26,816——26,816
Central114,587735—115,322
Energy Services9,476——9,476
Total$274,478$778$—$275,256
Balance at January 1, 2024Goodwill Acquired During the YearMeasurement Period AdjustmentsBalance at December 31, 2024
(In thousands)
West$123,599$75$—$123,674
Mountain26,816——26,816
Central114,587735—115,322
Energy Services9,47621,937—31,413
Total$274,478$22,747$—$297,225

Index

Other amortizable intangible assets were as follows:

September 30, 2025September 30, 2024December 31, 2024
(In thousands)
Customer relationships$32,503$19,059$30,703
Less accumulated amortization14,86610,41911,060
17,6378,64019,643
Noncompete agreements3,1073,9263,950
Less accumulated amortization2,8503,4523,524
257474426
Tradename7,470—7,470
Less accumulated amortization685—124
6,785—7,346
Backlog9,290—390
Less accumulated amortization6,202—22
3,088—368
Other5,9681,7963,310
Less accumulated amortization3171,0561,679
5,6517401,631
Total$33,418$9,854$29,414

The previous tables include goodwill and intangible assets associated with the business combinations completed in the first nine months of 2025. For more information related to these business combinations, see Note 10.

Amortization expense for amortizable intangible assets for the three and nine months ended September 30, 2025, was $4.7 million and $10.8 million, respectively. Amortization expense for amortizable intangible assets for the three and nine months ended September 30, 2024, was $522,000 and $1.6 million, respectively. Estimated amortization expense for identifiable intangible assets as of September 30, 2025, was:

Remainder of 20252026202720282029Thereafter
(In thousands)
Amortization expense$4,435$4,357$4,287$3,961$3,466$12,912
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.