Company: WFG
Filing Date: 2025-02-12
Form Type: 40-F
Source: 0001628280-25-005183
Chunk: 4

Company: WEST FRASER TIMBER CO., LTD
Filing Date: 2025-02-12
Form: 40-F
Chunk 4
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as such term is defined in Rules 13a-15(e) of the Exchange Act) and internal control over financial reporting (as such term is defined in Rules 13a-15(f) of the Exchange Act).

### Disclosure Controls and Procedures
Disclosure controls and procedures are defined in Rule 13a-15(e) of the Exchange Act to mean controls and other procedures of an issuer that are designed to ensure that information required to be disclosed by the issuer in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms and includes, without limitation, controls and procedures designed to ensure that such information is accumulated and communicated to the issuer’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate, to allow timely decisions regarding required disclosure.

Management, under the supervision and with the participation of our President and Chief Executive Officer (“ CEO ”) and the Senior Vice-President, Finance and Chief Financial Officer (“ CFO ”), has conducted an evaluation of our disclosure controls and procedures as of December 31, 2024. Based on this evaluation, management, under the supervision of our CEO and CFO, has concluded that our disclosure controls and procedures were effective as of December 31, 2024.

Management's Report on Internal Control over Financial Reporting

Management, under the supervision of the CEO and CFO, is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Rule 13a-15(f) of the Exchange Act, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of consolidated financial statements for external reporting purposes in accordance with IFRS Accounting Standards.

Management, under the supervision of the CEO and CFO, has assessed the effectiveness of the Company’s internal control over financial reporting as of December 31, 2024 based on the criteria set forth in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”). Based on this assessment, management has concluded that the Company’s internal control over financial reporting was effective as of December 31, 2024.

Due to its inherent limitations, internal control over financial reporting may not prevent or detect misstatements on a timely basis. Additionally, projections of any evaluation of the effectiveness of internal control over financial reporting to future periods are subject to the risk that the controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies