Knife River Corp
For the period ended Sep 30, 2026. Filed Nov 3, 2026.
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Sep 30, 2026 · Filed Nov 3, 2026
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5. Inventories
Note 5 -Inventories
Inventories on the Consolidated Balance Sheets were as follows:
| September 30, 2026 | September 30, 2025 | December 31, 2025 | |
|---|---|---|---|
| (In thousands) | |||
| Finished products | $330,417 | $313,033 | $304,281 |
| Raw materials | 85,628 | 83,055 | 91,069 |
| Supplies and parts | 47,600 | 40,447 | 40,364 |
| Total | $463,645 | $436,535 | $435,714 |
Inventories are valued at the lower of cost or net realizable value using the average cost method. Inventories include production costs incurred as part of our aggregates mining activities. These inventoriable production costs include all mining and processing costs associated with the production of aggregates. Stripping costs incurred during the production phase, which represent costs of removing overburden and waste materials to access mineral deposits, are a component of inventoriable production costs.
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