of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

The company amended and restated its deferred compensation plan.

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

Director and Compensation Committee Member — Rick Beckwitt: Mr. Beckwitt was appointed to the compensation committee.

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

The filing discloses the approval of new terms for equity compensation awards, which is a compensatory arrangement rather than a change in management personnel.

Director — Richard Beckwitt: The filing discloses the appointment of a new independent director and the renewal of standard executive severance agreements, which are routine governance matters rather than a loss of senior management.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant (a) On November 5, 2025, Weyerhaeuser Company (“ Weyerhaeuser ”) entered into a commercial paper program (the “ Program ”) pursuant to which Weyerhaeuser may issue short-term, unsecured commercial paper notes (the “ Notes ”) pursuant to the exemption from registration contained in Section 4(a)(2) of the Securities Act of 1933, as amended (the “ Securities Act ”). Weyerhaeuser may…

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

of this report, and the remainder of the proceeds are intended to be used for general corporate purposes of Weyerhaeuser and its subsidiaries. Loans under the Term Loan Agreement mature on the third anniversary of funding, and do not amortize prior to the final maturity thereof. Loans under the Term Loan Agreement bear interest at a floating rate based on, at WNR’s option, Term SOFR or the Base Rate (as each is defined in the Term Loan Agreement), in each case plus a spread that varies depend…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant Table of Contents The information set forth in

Entry into a Material Definitive Agreement On August 25, 2025, Weyerhaeuser Company (“ Weyerhaeuser ”) and its subsidiary, Weyerhaeuser NR Company (“ WNR ”), entered into a Term Loan Agreement (the “ Term Loan Agreement ”) with the lenders party thereto (the “ Lenders ”) and Truist Bank, as administrative agent (in such capacity, the “ Administrative Agent ”), pursuant to which WNR borrowed senior unsecured term loans in an aggregate principal amount of $800 million. Approximately $500 millio…

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant The information set forth in

Entry into a Material Definitive Agreement On June 30, 2025, Weyerhaeuser Company (“ Weyerhaeuser ”) entered into a $1.75 billion five-year senior unsecured Amended and Restated Revolving Credit Facility Agreement (the “ Amended and Restated Credit Agreement ”) with the lenders party thereto (the “ Lenders ”) and Wells Fargo Bank, National Association, as administrative agent (in such capacity, the “ Administrative Agent ”). The Amended and Restated Credit Agreement, which amends and restates…

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

Chief Accounting Officer — Alex G. Whitney: The filing discloses the internal promotion of the Vice President and Controller to Chief Accounting Officer, with the CFO stepping down from that specific role, which is a standard succession event rather than a loss of a senior executive.

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

The filing discloses the approval of new terms for equity compensation awards, which is a compensatory arrangement rather than a change in management personnel.

Senior Vice President and Chief Development Officer — Russell S. Hagen: The departure is an orderly retirement with a named internal successor and a transition period as a strategic advisor.

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

Senior Vice President — Keith J. O’Rear: The SVP of Wood Products is retiring with a named internal successor and a transition period as a strategic advisor, indicating an orderly succession rather than a sudden loss.

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…

of this Current Report on Form 8-K, including Exhibit 99.1 and Exhibit 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in s…