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WEYERHAEUSER CO

For the period ended Sep 30, 2025. Filed Oct 31, 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 Oct 31, 2025

WY$20.63-2.4%Stored close · as of Nov 10, 2026

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LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES

NOTE 10: LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES

Legal Proceedings

We are party to various legal proceedings arising in the ordinary course of business. We are not currently a party to any legal proceeding that management believes could have a material adverse effect on our Consolidated Statement of Operations, Consolidated Balance Sheet or Consolidated Statement of Cash Flows.

Environmental Matters

Site Remediation

Under the federal Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) – commonly known as the Superfund – and similar state laws, we:

are a party to various proceedings related to the cleanup of hazardous waste sites and

have been notified that we may be a potentially responsible party related to the cleanup of other hazardous waste sites for which proceedings have not yet been initiated.

As of September 30, 2025, our total accrual for future estimated remediation costs on active Superfund sites and other sites for which we are potentially responsible was approximately$78 million. These amounts are recorded in "Accrued liabilities" and "Other liabilities" on our Consolidated Balance Sheet.

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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.