Company: LPX
Filing Date: 2025-12-12
Form Type: 10-Q/A
Source: 0000060519-25-000039
Chunk: 2

Company: LOUISIANA-PACIFIC CORP
Filing Date: 2025-12-12
Form: 10-Q/A
Chunk 2
---
 paragraphs 3, 4 and 5 of the certifications have been omitted. We are not furnishing new certifications under Section 906 of the Sarbanes-Oxley Act of 2002 because no financial statements are being filed with this Amendment. The complete text of Item 5 of Part II has been set forth in its entirety in accordance with Rule 12b-15 under the Exchange Act.

Other than as expressly set forth herein, this Amendment does not, and does not purport to, amend, update or restate the information in Original Filing or reflect any events that have occurred after the Original Filing was made. Information not affected by this Amendment remains unchanged and reflects the disclosures made at the time as of which the Original Filing was made. No changes have been made to the financial statements of the Company as contained in the Original Filing. Accordingly, this Amendment should be read together with the Original Filing and the Company’s other filings with the SEC.

# PART II - OTHER INFORMATION

## ITEM 5.

## OTHER INFORMATION
None of our directors or officers adopted, modified or terminateda Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement during the quarter ended September 30, 2025, except that on August 27, 2025, W. Bradley Southern, our Chairperson of the Board of Directors and Chief Executive Officer, enteredinto a Rule 10b5-1 trading arrangement intended to satisfy the affirmative defense conditions provided in Rule 10b5-1(c) of the Exchange Act for the sale of up to 340,000shares of our common stock from December 1, 2025 through May 15, 2026.

<div align='center'>2</div>

## ITEM 6.

## EXHIBITS
| 31.1    |     | *Certifications of Chief Executive Officer Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934.*                                                       |
| 31.2    |     | *Certifications of Chief Financial Officer Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934.  *                                                     |
| 101.INS |     | Inline XBRL Instance Document - The instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document * |
| 101.SCH |     | Inline XBRL Taxonomy Extension Schema Document.*