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Knife River Corp

For the period ended Sep 30, 2026. Filed Nov 3, 2026.

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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, 2026 · Filed Nov 3, 2026

KNF$58.94+4.5%Stored close · as of Nov 9, 2026

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

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Contents

7. Accumulated Other Comprehensive Loss

Note 7 -Accumulated Other Comprehensive Loss

Comprehensive income is comprised of net income and other comprehensive income. The only component of other comprehensive income is the amortization of postretirement liability losses for our benefit plans. As of September 30, 2026 and 2025, and December 31, 2025, accumulated other comprehensive loss was $9.9 million, $9.1 million and $10.3 million, respectively.

For the three months ended September 30, 2026 and 2025, we amortized $127,000 and $63,000, respectively, of expense into other income, and $41,000 and $21,000, respectively, into income taxes. For the nine months ended September 30, 2026 and 2025, we amortized $381,000 and $190,000, respectively, of expense into other income, and $123,000 and $61,000, respectively, into income taxes.

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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.