LPX

Includes 156 shares reflecting the credit of dividend equivalents on outstanding restricted stock units and 94 shares acquired through Louisiana-Pacific Corporation's 2019 Employee Stock Purchase Plan, in each case since the reporting person's last Form 4 filing.

Includes 7 shares representing the credit of dividend equivalents on outstanding restricted stock units since the reporting person's last Form 4 filing.

Represents shares transferred to the reporting person's ex-spouse pursuant to a divorce decree. The securities owned by the ex-spouse are not beneficially owned by the reporting person.

Restricted stock units ("RSUs") granted to non-employee directors pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan will vest in full on May 8, 2027. Each RSU represents a contingent right to receive one share of the issuer's common stock.

Includes 6 shares reflecting the credit of dividend equivalents on outstanding RSUs since the reporting person's last Form 4 filing.

Restricted stock units ("RSUs") granted to non-employee directors pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan will vest in full on May 8, 2027. Each RSU represents a contingent right to receive one share of the issuer's common stock.

Includes 23 shares reflecting the credit of dividend equivalents on outstanding RSUs since the reporting person's last Form 4 filing.

Restricted stock units ("RSUs") granted to non-employee directors pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan will vest in full on May 8, 2027. Each RSU represents a contingent right to receive one share of the issuer's common stock. The reporting person has elected to defer the receipt of common stock upon the vesting of the RSUs, and upon vesting of the RSUs, will receive deferred stock units ("DSUs") under the Amended and Restated Louisiana-Pacific Corporation Non-Employee Directors Compensation Plan. Each DSU entitles the reporting person to receive one share of common stock upon the earliest of (i) the reporting person's separation of service as a director or (ii) a change of control of the issuer.

Includes 25 shares reflecting the credit of dividend equivalents on outstanding RSUs and DSUs since the reporting person's last Form 4 filing. Total reflects 316 DSUs held by the reporting person (including additional DSUs credited as dividend equivalents).

Restricted stock units ("RSUs") granted to non-employee directors pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan will vest in full on May 8, 2027. Each RSU represents a contingent right to receive one share of the issuer's common stock. The reporting person has elected to defer the receipt of common stock upon the vesting of the RSUs, and upon vesting of the RSUs, will receive deferred stock units ("DSUs") under the Amended and Restated Louisiana-Pacific Corporation Non-Employee Directors Compensation Plan. Each DSU entitles the reporting person to receive one share of common stock upon the earliest of (i) the reporting person's separation of service as a director or (ii) a change of control of the issuer.

Includes 68 shares reflecting the credit of dividend equivalents on outstanding RSUs and DSUs since the reporting person's last Form 4 filing. Total reflects 7,525 DSUs held by the reporting person (including additional DSUs credited as dividend equivalents).

Restricted stock units ("RSUs") granted to non-employee directors pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan will vest in full on May 8, 2027. Each RSU represents a contingent right to receive one share of the issuer's common stock.

Includes 20 shares reflecting the credit of dividend equivalents on outstanding RSUs since the reporting person's last Form 4 filing.

Restricted stock units ("RSUs") granted to non-employee directors pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan will vest in full on May 8, 2027. Each RSU represents a contingent right to receive one share of the issuer's common stock.

Includes 23 shares reflecting the credit of dividend equivalents on outstanding RSUs since the reporting person's last Form 4 filing.

Restricted stock units ("RSUs") granted to non-employee directors pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan will vest in full on May 8, 2027. Each RSU represents a contingent right to receive one share of the issuer's common stock. The reporting person has elected to defer the receipt of common stock upon the vesting of the RSUs, and upon vesting of the RSUs, will receive deferred stock units ("DSUs") under the Amended and Restated Louisiana-Pacific Corporation Non-Employee Directors Compensation Plan. Each DSU entitles the reporting person to receive one share of common stock upon the earliest of (i) the reporting person's separation of service as a director, (ii) a change of control of the issuer or (iii) January 1, 2027 (the distribution date specified by the reporting person).

Includes 21 shares reflecting the credit of dividend equivalents on outstanding RSUs and DSUs since the reporting person's last Form 4 filing. Total reflects 3,858 DSUs held by the reporting person (including additional DSUs credited as dividend equivalents).

Includes 136 shares reflecting the credit of dividend equivalents on outstanding restricted stock units since the reporting person's last Form 4 filing.

Includes 9 shares reflecting the credit of dividend equivalents on outstanding restricted stock units since the reporting person's last Form 4 filing.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $85.28 to $85.52, inclusive. The reporting person undertakes to provide to Louisiana-Pacific Corporation, any security holder of Louisiana-Pacific Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Includes 51 shares reflecting the credit of dividend equivalents on outstanding restricted stock units and deferred stock units ("DSUs") since the reporting person's last Form 4 filing. Total reflects 3,842 DSUs held by the reporting person (including additional DSUs credited as dividend equivalents).

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.47 to $89.47, inclusive.

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.48 to $90.01, inclusive.

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.45 to $87.43, inclusive.

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.465 to $88.465, inclusive.

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.65 to $87.55, inclusive. The reporting person undertakes to provide to Louisiana-Pacific Corporation, any security holder of Louisiana-Pacific Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3), (4), (5), (6), (7), (8) and (9) to this Form 4.

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.965 to $88.965, inclusive.

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.99 to $89.98, inclusive.

The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.995 to $90.35, inclusive.

Reflects payout of 2023 performance stock units ("PSUs") at 88% of target award amount and includes shares credited as dividend equivalents on such PSUs.

Consists of restricted stock units ("RSUs") granted pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date.

Reflects payout of 2023 performance stock units ("PSUs") at 88% of target award amount and includes shares credited as dividend equivalents on such PSUs.

Consists of restricted stock units ("RSUs") granted pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date.

Reflects payout of 2023 performance stock units ("PSUs") at 88% of target award amount and includes shares credited as dividend equivalents on such PSUs.

Consists of restricted stock units ("RSUs") granted pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date.

Consists of restricted stock units ("RSUs") granted pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date.

Includes 84 shares reflecting the credit of dividend equivalents on outstanding RSUs and 33 shares acquired through Louisiana-Pacific Corporation's Direct Stock Purchase and Dividend Reinvestment Plan, in each case since the reporting person's Form 3 filing.

Reflects payout of 2023 performance stock units ("PSUs") at 88% of target award amount and includes shares credited as dividend equivalents on such PSUs.

Reflects payout of 2023 performance stock units ("PSUs") at 88% of target award amount and includes shares credited as dividend equivalents on such PSUs.

Consists of restricted stock units ("RSUs") granted pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date.

Reflects payout of 2023 performance stock units ("PSUs") at 88% of target award amount and includes shares credited as dividend equivalents on such PSUs.

Consists of restricted stock units ("RSUs") granted pursuant to the Louisiana-Pacific Corporation 2022 Omnibus Stock Award Plan. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date.