Regulation FD Disclosure On September 1, 2026, Louisiana-Pacific Corporation (“LP”) issued a press release announcing that it will indefinitely curtail OSB production at its Jasper facility in Jasper, TX. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference. LP expects to incur approximately $4 million to $6 million of severance and other one-time costs related to the curtailment in 2026. This amount is an estimate and is subject to change as…

Results of Operations and Financial Condition. On August 5, 2026, Louisiana-Pacific Corporation (the “Company”) issued a press release announcing financial results for the three and six months ended June 30, 2026, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or inco…

Other Events. On July 31, 2026 , Louisiana-Pacific Corporation (the “Company”) announced that its Board of Directors has declared a quarterly cash dividend to common stockholders of $0.30 per share. The dividend will be payable August 28, 2026, to stockholders of record as of August 14, 2026. The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated into this

Regulation FD Disclosure On June 1, 2026, LP issued a press release announcing Mr. Howald’s election as Senior Vice President, Chief Financial Officer. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein. The information furnished pursuant to this Item 7.01, including Exhibit 99.1, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act…

Chief Financial Officer — Alan J.M. Haughie: Alan J.M. Haughie is retiring as CFO, and Aaron Howald will succeed him.

Results of Operations and Financial Condition. On May 6, 2026, Louisiana-Pacific Corporation (the “Company”) issued a press release announcing financial results for the three months ended March 31, 2026, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or incorporated b…

Other Events. On May 1, 2026 , Louisiana-Pacific Corporation (the “Company”) announced that its Board of Directors has declared a quarterly cash dividend to common stockholders of $0.30 per share. The dividend will be payable May 28, 2026, to stockholders of record as of May 14, 2026. The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated into this

Results of Operations and Financial Condition. On February 17, 2026, Louisiana-Pacific Corporation (the “Company”) issued a press release announcing financial results for the quarter and year ended December 31, 2025, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or i…

CEO — Jason Ringblom: Jason Ringblom was promoted to Chief Executive Officer with new compensation arrangements.

Other Events. On February 13, 2026, Louisiana-Pacific Corporation (the “Company”) announced that the Board has declared an increased quarterly cash dividend to common stockholders of $0.30 per share, up 7% from its previous $0.28 per share quarterly dividend. The dividend will be payable March 13, 2026 to stockholders of record as of the close of business on February 27, 2026. The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current R…

CEO — W. Bradley Southern: The CEO is retiring as part of a planned leadership succession where the President and CEO-elect is being added to the Board, indicating an orderly transition rather than a sudden loss.

Results of Operations and Financial Condition. On November 5, 2025, Louisiana-Pacific Corporation (the “Company”) issued a press release announcing financial results for the three and nine months ended September 30, 2025, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission…

CEO — W. Bradley Southern: The CEO is retiring with a pre-announced internal successor (the current President), representing an orderly succession rather than a sudden loss of leadership.

Other Events. On October 30, 2025, Louisiana-Pacific Corporation (the “Company”) announced that its Board of Directors has declared a quarterly cash dividend to common stockholders of $0.28 per share. The dividend will be payable November 21, 2025, to stockholders of record as of November 14, 2025. The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated into this

Results of Operations and Financial Condition. On August 6, 2025, Louisiana-Pacific Corporation (the "Company") issued a press release announcing financial results for the three and six months ended June 30, 2025, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission (the “S…

Other Events. On August 1, 2025, Louisiana-Pacific Corporation (the "Company") announced that its Board of Directors has declared a quarterly cash dividend to common stockholders of $0.28 per share. The dividend will be payable August 29, 2025 to stockholders of record as of August 15, 2025. The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated into this

Chief Operating Officer — Anthony Hamill: The filing announces the appointment of a new Senior Vice President and Chief Operating Officer from an external company, which is a significant executive addition rather than a departure.

Other Events. On May 6, 2025 , the Company announced that its Board of Directors has declared a quarterly cash dividend to common stockholders of $0.28 per share. The dividend will be payable June 3, 2025, to stockholders of record as of May 20, 2025. The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated into this

Results of Operations and Financial Condition. On May 6, 2025, Louisiana-Pacific Corporation (the "Company") issued a press release announcing financial results for the three months ended March 31, 2025, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission (the “SEC”) or in…

President — Jason Ringblom: The filing primarily announces the promotion of an internal executive to a newly created President role, accompanied by a routine elimination of a lower-level GM position and a retention award for the CFO.

Entry into a Material Definitive Agreement On March 26, 2025 , Louisiana-Pacific Corporation (the “Company”) entered into a First Amendment to Second Amended and Restated Credit Agreement (the “First Amendment”) among the Company, as borrower, American AgCredit, PCA (the “Agent”), as Administrative Agent, CoBank, ACB, as letter of credit issuer (the “L/C Issuer”) and the lenders and voting participants party thereto, which amends the Second Amended and Restated Credit Agreement (the “Credit A…

Director — Kelly H. Barrett: The filing discloses the appointment of a new independent director to the board, which is a routine governance event and not a departure of a senior executive.

Results of Operations and Financial Condition. On February 19, 2025, Louisiana-Pacific Corporation (the “Company”) issued a press release announcing financial results for the quarter and year ended December 31, 2024, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information provided pursuant to this Item 2.02, including Exhibit 99.1 in Item 9.01, is “furnished” and shall not be deemed to be “filed” with the Securities and Exchange Commission or i…

Director — Tracy A. Embree: A board member is choosing not to stand for re-election for personal reasons, which is a standard, non-controversial board turnover event.

Other Events. On February 14, 2025, the Company announced that the Board has declared a quarterly cash dividend to common stockholders of $0.28 per share. The dividend will be payable March 13, 2025 to stockholders of record as of the close of business on February 27, 2025. The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated into this