WFG / West Fraser Timber Co. Ltd. - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

West Fraser Timber Co. Ltd.
US ˙ NYSE ˙ CA9528451052

Statistik Asas
LEI 5493005WD1ZK6WBVR988
CIK 1402388
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to West Fraser Timber Co. Ltd.
SEC Filings (Chronological Order)
Halaman ini menyediakan senarai kronologi lengkap bagi Pemfailan SEC, tidak termasuk pemfailan pemilikan yang kami sediakan di tempat lain.
July 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-39974

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

July 24, 2025 EX-99.1

LAKE BABINE NATION AND WEST FRASER PARTNERSHIP STRENGTHENS B.C.’S FOREST SECTOR Innovative collaboration supports long-term fibre security and economic development

Exhibit 99.1 News Release For Immediate Release LAKE BABINE NATION AND WEST FRASER PARTNERSHIP STRENGTHENS B.C.’S FOREST SECTOR Innovative collaboration supports long-term fibre security and economic development VANCOUVER, B.C., July 24, 2025 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) and the Lake Babine Nation Forestry Limited Partnership (LBN Forestry) wel

July 23, 2025 EX-99.5

West Fraser Announces Second Quarter 2025 Results

News Release For Immediate Release West Fraser Announces Second Quarter 2025 Results VANCOUVER, B.

July 23, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canada

July 23, 2025 EX-99.1

Exhibit 99.1 1380-6618-2422.9 TABLE OF CONTENTS Page ARTICLE 1 INTERPRETATION ................................................................................................. 1 1.1 Defined Terms. .....................................................

westfraser-amendedandres Exhibit 99.1 1380-6618-2422.9 TABLE OF CONTENTS Page ARTICLE 1 INTERPRETATION ................................................................................................. 1 1.1 Defined Terms. ........................................................................................................... 1 1.2 Computation of Time. ...........................................

July 23, 2025 EX-99.1

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West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) June 27, December 31, Note 2025 2024 Assets Current assets Cash and cash equivalents $ 646 $ 641 Receivables 340 294 Income taxes receivable 28 22 Inventories 4 854 844 Prepaid expenses 65 36 1,933 1,837 Property, plant and equipment 3,812 3,842 Timber licenc

July 23, 2025 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Sean P. McLaren, President and Chief Executive Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended June 27, 2025. 2. No misrepresentations:

July 23, 2025 EX-99.2

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MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

July 23, 2025 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended June 27, 202

July 23, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canada

June 25, 2025 EX-99.1

Notice of Second Quarter Results Conference Call

Exhibit 99.1 News Release For Immediate Release Notice of Second Quarter Results Conference Call VANCOUVER, B.C., June 25, 2025 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss second quarter 2025 financial and operating results on Thursday, July 24, 2025 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To partic

June 25, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canada

June 11, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canada

June 11, 2025 EX-99.1

West Fraser Declares Dividend

Exhibit 99.1 News Release For Immediate Release West Fraser Declares Dividend VANCOUVER, B.C., June 11, 2025 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.32 per share on the Common shares and Class B Common shares in the capital of the Company, payable on July 14, 2025 to shareholders of record on June 26, 2025. Divide

June 2, 2025 EX-99.1

West Fraser Credit Facility and Term Loan Renewals Increase Liquidity

Exhibit 99.1 For Immediate Release West Fraser Credit Facility and Term Loan Renewals Increase Liquidity VANCOUVER, B.C., June 2, 2025 – Today, West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced it has entered into a syndicated credit agreement providing for the renewal of its $1 billion credit facility and extension of the facility’s maturity from July 2028

June 2, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canada

May 22, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canada,

May 22, 2025 EX-99.1

West Fraser Releases 2024 Sustainability Report

Exhibit 99.1 For Immediate Release West Fraser Releases 2024 Sustainability Report VANCOUVER, B.C., May 22, 2025 – Today, West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) released its 2024 Sustainability Report, Building Together: People and Partnerships. The report highlights the Company’s sustainability performance across a variety of environmental, social, and go

April 23, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canad

April 23, 2025 EX-99.2

ANNUAL GENERAL MEETING OF SHAREHOLDERS OF WEST FRASER TIMBER CO. LTD. (“WEST FRASER”) Wednesday, April 23, 2025 – 11:00 a.m. Quesnel, British Columbia

Exhibit 99.2 ANNUAL GENERAL MEETING OF SHAREHOLDERS OF WEST FRASER TIMBER CO. LTD. (“WEST FRASER”) Wednesday, April 23, 2025 – 11:00 a.m. Quesnel, British Columbia Voting Results This report on the voting results of the annual general meeting of shareholders of West Fraser is made in accordance with section 11.3 of National Instrument 51-102 Continuous Disclosure Obligations. The management of Wes

April 23, 2025 EX-99.1

West Fraser Announces Voting Results of the Annual Shareholders Meeting

News Release For Immediate Release West Fraser Announces Voting Results of the Annual Shareholders Meeting VANCOUVER, B.

April 22, 2025 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Sean P. McLaren, President and Chief Executive Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended March 28, 2025. 2. No misrepresentations:

April 22, 2025 EX-99.1

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West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) March 28, December 31, Note 2025 2024 Assets Current assets Cash and cash equivalents $ 390 $ 641 Receivables 398 294 Income taxes receivable 61 22 Inventories 4 1,041 844 Prepaid expenses 32 36 1,922 1,837 Property, plant and equipment 3,823 3,842 Timber lic

April 22, 2025 EX-99.2

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MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

April 22, 2025 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended March 28, 20

April 22, 2025 EX-99.5

West Fraser Announces First Quarter 2025 Results

News Release For Immediate Release West Fraser Announces First Quarter 2025 Results VANCOUVER, B.

April 22, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canad

April 3, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File No. 001-39974 WE

6-K 1 d904433d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, Brit

April 3, 2025 EX-99.1

Notice of First Quarter Results Conference Call

Exhibit 99.1 News Release For Immediate Release Notice of First Quarter Results Conference Call VANCOUVER, B.C., April 3, 2025 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss first quarter 2025 financial and operating results on Wednesday, April 23, 2025 at 7:00 a.m. Pacific Time/10:00 a.m. Eastern Time. To partic

March 14, 2025 EX-99.3

Security Class Holder Account Number Form of Proxy - Annual General Meeting to be held on April 23, 2025 This Form of Proxy is solicited by and on behalf of Management. Notes to proxy 1. Every holder has the right to appoint some other person or comp

exhibit993-2024formofpro Security Class Holder Account Number Form of Proxy - Annual General Meeting to be held on April 23, 2025 This Form of Proxy is solicited by and on behalf of Management.

March 14, 2025 EX-99.2

NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS

Exhibit 99.2 West Fraser Timber Co. Ltd. Notice of Annual General Meeting of Shareholders To Be Held April 23, 2025 Management Information Circular Your Participation is Important Please Take the Time to Vote WHAT’S INSIDE INVITATION TO SHAREHOLDERS 1 NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS 1 MANAGEMENT INFORMATION CIRCULAR 1 DEFINITIONS 1 ADDITIONAL INFORMATION REGARDING THE MEETING 5 FR

March 14, 2025 EX-99.1

NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS

Exhibit 99.1 NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS We will hold the Meeting in Quesnel, B.C. Additionally, a live-webcast option will be provided for Shareholders to listen in and view the Meeting and ask questions. The annual general meeting (the “Meeting”) of shareholders (“Shareholders”) of West Fraser Timber Co. Ltd. (the “Company”) will be held on April 23, 2025 at 11:00 a.m. (Vanc

March 14, 2025 EX-99.5

West Fraser 2024 Annual Report Exhibit 99.5 Contents Message From our President and CEO: Delivering Results in Challenging Markets 2 Welcome to West Fraser 4 About West Fraser 5 Business Strategy 5 Our Operations 6 Mill Spotlight 8 Our Products 10 Fi

exhibit995-2024westfrase West Fraser 2024 Annual Report Exhibit 99.5 Contents Message From our President and CEO: Delivering Results in Challenging Markets 2 Welcome to West Fraser 4 About West Fraser 5 Business Strategy 5 Our Operations 6 Mill Spotlight 8 Our Products 10 Financial Highlights 12 Financial Performance 14 Management’s Discussion and Analysis 17 2024 Audited Statements 80 Consolidate

March 14, 2025 EX-99.4

Under securities regulations, a reporting issuer must send annually a form to holders to request the Interim Financial Statements and MD&A and/or the Annual Financial Statements and MD&A. If you would like to receive the report(s) by mail, please mak

exhibit994-financialstat Under securities regulations, a reporting issuer must send annually a form to holders to request the Interim Financial Statements and MD&A and/or the Annual Financial Statements and MD&A.

March 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canad

February 27, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File No. 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6

February 27, 2025 EX-99.1

WEST FRASER ANNOUNCES RENEWAL OF NORMAL COURSE ISSUER BID

Exhibit 99.1 For Immediate Release WEST FRASER ANNOUNCES RENEWAL OF NORMAL COURSE ISSUER BID VANCOUVER, B.C., February 27, 2025 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that the Toronto Stock Exchange (“TSX”) has accepted West Fraser’s notice to renew its normal course issuer bid (“NCIB”). Under the renewed NCIB, West Fraser will be entitle

February 12, 2025 EX-99.1

WEST FRASER TIMBER CO. LTD. ANNUAL INFORMATION FORM DATED FEBRUARY 12, 2025

Exhibit 99.1 WEST FRASER TIMBER CO. LTD. ANNUAL INFORMATION FORM DATED FEBRUARY 12, 2025 TABLE OF CONTENTS ITEM 1 GENERAL INFORMATION 1 ITEM 2 CORPORATE STRUCTURE 1 ITEM 3 GENERAL DEVELOPMENT OF THE BUSINESS 2 3.1 General Development of the Business Over the Last Three Years 2 3.2 Corporate Strategy 5 ITEM 4 DESCRIPTION OF THE BUSINESS 5 4.1 Principal Products and Markets 6 4.2 Markets 6 4.3 Manuf

February 12, 2025 EX-99.1

WEST FRASER ANNOUNCES COMPLETION OF FORM 40-F FILING

News Release For Immediate Release WEST FRASER ANNOUNCES COMPLETION OF FORM 40-F FILING VANCOUVER, B.

February 12, 2025 EX-99.3

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MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

February 12, 2025 EX-99.6

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.6 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the annual report on Form 40-F of West Fraser Timber Co. Ltd. (the “Company”) for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Sean P. McLaren, President and Chief Executive O

February 12, 2025 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the annual report on Form 40-F of West Fraser Timber Co. Ltd. (the “Company”) for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Christopher A. Virostek, Senior Vice-President,

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

February 12, 2025 EX-99.2

West Fraser Timber Co. Ltd. Consolidated Financial Statements December 31, 2024 and 2023

Exhibit 99.2 West Fraser Timber Co. Ltd. Consolidated Financial Statements December 31, 2024 and 2023 -1- RESPONSIBILITY OF MANAGEMENT Management’s Report on the Consolidated Financial Statements The accompanying consolidated financial statements and related notes are the responsibility of the management of West Fraser Timber Co. Ltd. (the “Company”). They have been prepared in accordance with Int

February 12, 2025 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F o REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant as spe

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

February 12, 2025 EX-99.8

Consent of Independent Registered Public Accounting Firm

Exhibit 99.8 Consent of Independent Registered Public Accounting Firm We hereby consent to the incorporation by reference in this Annual Report on Form 40-F for the year ended December 31, 2024 of West Fraser Timber Co. Ltd. of our report dated February 12, 2025, relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in E

February 12, 2025 EX-99.4

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.4 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Sean P. McLaren, certify that: (1)I have reviewed this annual report on Form 40-F of West Fraser Timber Co. Ltd.; (2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances u

February 12, 2025 EX-99.1

West Fraser Announces Fourth Quarter 2024 Results

News Release For Immediate Release West Fraser Announces Fourth Quarter 2024 Results VANCOUVER, B.

February 12, 2025 EX-99.5

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.5 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Christopher A. Virostek, certify that: (1)I have reviewed this annual report on Form 40-F of West Fraser Timber Co. Ltd.; (2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circums

February 12, 2025 EX-97.1

WEST FRASER TIMBER CO. LTD. CLAWBACK POLICY

WEST FRASER TIMBER CO. LTD. CLAWBACK POLICY West Fraser Timber Co. Ltd. (the “Company”) believes that it is appropriate for the Company to adopt this Clawback Policy (the “Policy”) to be applied to the Executive Officers of the Company and adopts this Policy to be effective as of the Effective Date. 1.Definitions For purposes of this Policy, the following definitions shall apply: a)“Board” means t

January 24, 2025 EX-99.1

Notice of Fourth Quarter Results Conference Call

Exhibit 99.1 For Immediate Release Notice of Fourth Quarter Results Conference Call VANCOUVER, B.C., January 23, 2025 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss fourth quarter 2024 financial and operating results on Thursday, February 13, 2025 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To participate

January 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File No. 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C

December 11, 2024 EX-99.1

West Fraser Declares Dividend

Exhibit 99.1 News Release For Immediate Release West Fraser Declares Dividend VANCOUVER, B.C., December 11, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.32 per share on the Common shares and Class B Common shares in the capital of the Company, payable on January 14, 2025 to shareholders of record on December 27, 2

December 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File No. 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6

October 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-39

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Can

October 23, 2024 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Sean McLaren, President and Chief Executive Officer of West Fraser Timber Co.

October 23, 2024 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended September 27

October 23, 2024 EX-99.5

West Fraser Announces Third Quarter 2024 Results

News Release For Immediate Release West Fraser Announces Third Quarter 2024 Results VANCOUVER, B.

October 23, 2024 EX-99.1

-1-

West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) September 27, December 31, Note 2024 2023 Assets Current assets Cash and cash equivalents $ 997 $ 900 Receivables 366 311 Income taxes receivable 27 93 Inventories 5 800 851 Prepaid expenses 60 40 Assets held for sale 6 — 182 2,249 2,377 Property, plant and e

October 23, 2024 EX-99.2

- 1 -

MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

October 4, 2024 EX-99.1

Notice of Third Quarter Results Conference Call

EX-99.1 Exhibit 99.1 For Immediate Release Notice of Third Quarter Results Conference Call VANCOUVER, B.C., October 3, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss third quarter 2024 financial and operating results on Thursday, October 24, 2024 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To particip

October 4, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File No. 001-39974

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada

September 19, 2024 EX-99.1

West Fraser Announces Indefinite Curtailment of Lake Butler Sawmill

Exhibit 99.1 News Release For Immediate Release West Fraser Announces Indefinite Curtailment of Lake Butler Sawmill VANCOUVER, B.C., September 19, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that it will indefinitely curtail its sawmill in Lake Butler, Florida by the end of this month. Today’s decision is the result of high fiber costs an

September 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File No. 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

September 10, 2024 EX-99.1

West Fraser Declares Dividend

Exhibit 99.1 News Release For Immediate Release West Fraser Declares Dividend VANCOUVER, B.C., September 10, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.32 per share on the Common shares and Class B Common shares in the capital of the Company, payable on October 11, 2024 to shareholders of record on September 26,

September 10, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File No. 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

July 24, 2024 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended June 28, 202

July 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canada

July 24, 2024 EX-99.2

- 1 -

MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

July 24, 2024 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Sean McLaren, President and Chief Executive Officer of West Fraser Timber Co.

July 24, 2024 EX-99.5

West Fraser Announces Second Quarter 2024 Results

News Release For Immediate Release West Fraser Announces Second Quarter 2024 Results VANCOUVER, B.

July 24, 2024 EX-99.1

-1-

West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) June 28, December 31, Note 2024 2023 Assets Current assets Cash and cash equivalents $ 1,004 $ 900 Receivables 392 311 Income taxes receivable 57 93 Inventories 5 846 851 Prepaid expenses 59 40 Assets held for sale 6 — 182 2,358 2,377 Property, plant and equi

June 27, 2024 EX-99.1

Notice of Second Quarter Results Conference Call

Exhibit 99.1 News Release For Immediate Release Notice of Second Quarter Results Conference Call VANCOUVER, B.C., June 27, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss second quarter 2024 financial and operating results on Thursday, July 25, 2024 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To partic

June 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File No. 001-39974 WES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C 3E

June 12, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File No. 001-39974 WES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C 3E

June 12, 2024 EX-99.1

West Fraser Increases Quarterly Dividend

Exhibit 99.1 News Release For Immediate Release West Fraser Increases Quarterly Dividend VANCOUVER, B.C., June 12, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.32 per share on the Common shares and Class B Common shares in the capital of the Company, payable on July 12, 2024 to shareholders of record on June 26, 2

June 3, 2024 EX-99.1

West Fraser Releases 2023 Sustainability Report

EX-99.1 Exhibit 99.1 News Release For Immediate Release West Fraser Releases 2023 Sustainability Report VANCOUVER, B.C., May 31, 2024 – Today, West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) released its 2023 Sustainability Report. The report highlights the Company’s sustainability performance across a variety of environmental, social, and governance goals. “We hav

June 3, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File No. 001-39974 WEST

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C 3E8

April 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File No. 001-39974 WE

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

April 24, 2024 EX-99.1

WEST FRASER ANNOUNCES VOTING RESULTS OF THE ANNUAL SHAREHOLDERS MEETING

EX-99.1 Exhibit 99.1 For Immediate Release WEST FRASER ANNOUNCES VOTING RESULTS OF THE ANNUAL SHAREHOLDERS MEETING VANCOUVER, B.C., April 24, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced the voting results from its Annual General Meeting held on Wednesday, April 24, 2024 in Quesnel, B.C. Voting Results for the Election of Directors A total of 67

April 24, 2024 EX-99.2

ANNUAL GENERAL MEETING OF SHAREHOLDERS OF WEST FRASER TIMBER CO. LTD. (“WEST FRASER”) Wednesday, April 24, 2024 – 11:00 a.m. Quesnel, British Columbia

Exhibit 99.2 ANNUAL GENERAL MEETING OF SHAREHOLDERS OF WEST FRASER TIMBER CO. LTD. (“WEST FRASER”) Wednesday, April 24, 2024 – 11:00 a.m. Quesnel, British Columbia Voting Results This report on the voting results of the annual general meeting of shareholders of West Fraser is made in accordance with section 11.3 of National Instrument 51-102 Continuous Disclosure Obligations. The management of Wes

April 23, 2024 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended March 29, 20

April 23, 2024 EX-99.2

- 1 -

MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

April 23, 2024 EX-99.5

WEST FRASER ANNOUNCES FIRST QUARTER 2024 RESULTS

News Release For Immediate Release WEST FRASER ANNOUNCES FIRST QUARTER 2024 RESULTS VANCOUVER, B.

April 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canad

April 23, 2024 EX-99.1

-1-

West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) March 29, December 31, Note 2024 2023 Assets Current assets Cash and cash equivalents $ 711 $ 900 Receivables 388 311 Income taxes receivable 70 93 Inventories 5 1,014 851 Prepaid expenses 35 40 Assets held for sale 6 146 182 2,363 2,377 Property, plant and e

April 23, 2024 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Sean McLaren, President and Chief Executive Officer of West Fraser Timber Co.

April 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File No. 001-39974 WE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C 3

April 22, 2024 EX-99.1

WEST FRASER ANNOUNCES COMPLETION OF SALE

Exhibit 99.1 For Immediate Release WEST FRASER ANNOUNCES COMPLETION OF SALE VANCOUVER, B.C., April 22, 2024—West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that the Company has completed the sale of its Quesnel River Pulp mill, and its Slave Lake Pulp mill to an affiliate of a fund managed by Atlas Holdings following completion of customary regulato

April 3, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File No. 001-39974 WE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C 3

April 3, 2024 EX-99.1

NOTICE OF FIRST QUARTER RESULTS CONFERENCE CALL

Exhibit 99.1 For Immediate Release NOTICE OF FIRST QUARTER RESULTS CONFERENCE CALL VANCOUVER, B.C., April 3, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss first quarter 2024 financial and operating results on Wednesday, April 24, 2024 at 7:00 a.m. Pacific Time/10:00 a.m. Eastern Time. To participate in the

April 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File No. 001-39974 WE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C 3

April 2, 2024 EX-99.1

WEST FRASER AND MERCER ANNOUNCE DISSOLUTION OF CARIBOO PULP AND PAPER JOINT VENTURE

EX-99.1 Exhibit 99.1 News Release For Immediate Release WEST FRASER AND MERCER ANNOUNCE DISSOLUTION OF CARIBOO PULP AND PAPER JOINT VENTURE VANCOUVER, B.C., April 2, 2024 – West Fraser Timber Co. Ltd. (“West Fraser”) (TSX and NYSE: WFG) and Mercer International Inc. (“Mercer”) (NASDAQ: MERC) announced today an agreement to dissolve their 50/50 joint venture in Cariboo Pulp and Paper. West Fraser w

March 19, 2024 EX-99.3

Proxies submitted must be received by 11:00 am, Vancouver Time, on April 22, 2024.

EX-99.3 Exhibit 99.3       8th Floor, 100 University Avenue Toronto, Ontario M5J 2Y1 www.computershare.com Security Class Holder Account Number           Fold   Form of Proxy - Annual General Meeting to be held on April 24, 2024 This Form of Proxy is solicited by and on behalf of Management. Notes to proxy 1.  Every holder has the right to appoint some other person or company of their choice, who

March 19, 2024 EX-99.1

NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS

EX-99.1 Exhibit 99.1 NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS We will hold the Meeting in Quesnel, B.C. Additionally, a live-webcast option will be provided for Shareholders to listen in and view the Meeting and ask questions. The annual general meeting (the “Meeting”) of shareholders (“Shareholders”) of West Fraser Timber Co. Ltd. (the “Company”) will be held on April 24, 2024 at 11:00 a.

March 19, 2024 EX-99.2

NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS

EX-99.2 Exhibit 99.2 West Fraser Timber Co. Ltd. Notice of Annual General Meeting of Shareholders To Be Held April 24, 2024 Management Information Circular Your Participation is Important Please Take the Time to Vote WHAT’S INSIDE INVITATION TO SHAREHOLDERS 1 NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS 1 MANAGEMENT INFORMATION CIRCULAR 1 DEFINITIONS 1 ADDITIONAL INFORMATION REGARDING THE MEET

March 19, 2024 EX-99.5

 Cash Deposit 

EX-99.5 Exhibit 99.5 West Fraser 2023 Annual Report        Contents Welcome to West Fraser 2 About West Fraser 3 Our Operations 4 Message From our President and CEO 6 Financial Highlights 8 Business Strategy 9 Our Products 10 Financial Performance 12 Management’s Discussion and Analysis 14 2023 Audited Statements 78 Consolidated Financial Statements 78 Appendix 122 Directors and Officers 123 Gloss

March 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File No. 001-39974 WE

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

March 19, 2024 EX-99.4

Interim Financial Statements

EX-99.4 Exhibit 99.4    Please return completed form to: Computershare 8th Floor, 100 University Avenue Toronto, Ontario M5J 2Y1      Interim Financial Statements Annual Financial Statements      Mark this box if you would like to receive Interim Financial Statements by mail.       Mark this box if you would like to receive the Annual Financial Statements by mail. Check below if you would like to

February 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

February 27, 2024 EX-99.1

WEST FRASER ANNOUNCES RENEWAL OF NORMAL COURSE ISSUER BID

Exhibit 99.1 News Release For Immediate Release WEST FRASER ANNOUNCES RENEWAL OF NORMAL COURSE ISSUER BID VANCOUVER, B.C., February 27, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that the Toronto Stock Exchange (“TSX”) has accepted West Fraser’s notice to renew its normal course issuer bid (“NCIB”). Under the renewed NCIB, West Fraser wi

February 14, 2024 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the annual report on Form 40-F of West Fraser Timber Co. Ltd. (the “Company”) for the period ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Christopher A. Virostek, Senior Vice-President,

February 14, 2024 EX-99.1

WEST FRASER ANNOUNCES FOURTH QUARTER 2023 RESULTS

News Release For Immediate Release WEST FRASER ANNOUNCES FOURTH QUARTER 2023 RESULTS VANCOUVER, B.

February 14, 2024 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F o REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant as spe

February 14, 2024 EX-99.3

- 1 -

MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

February 14, 2024 EX-99.2

West Fraser Timber Co. Ltd. Consolidated Financial Statements December 31, 2023 and 2022

Exhibit 99.2 West Fraser Timber Co. Ltd. Consolidated Financial Statements December 31, 2023 and 2022 -1- RESPONSIBILITY OF MANAGEMENT Management’s Report on the Consolidated Financial Statements The accompanying consolidated financial statements and related notes are the responsibility of the management of West Fraser Timber Co. Ltd. (the “Company”). They have been prepared in accordance with Int

February 14, 2024 EX-99.2

WEST FRASER CODE OF CONDUCT

Exhibit 99.2 Last Updated as of December 12, 2023 WEST FRASER CODE OF CONDUCT TABLE OF CONTENTS 1. INTRODUCTION 1 2. COMPLIANCE WITH LAWS, RULES AND REGULATIONS 1 3. SAFETY AND HEALTH 2 4. ENVIRONMENTAL STEWARDSHIP 2 5. HUMAN RIGHTS, DISCRIMINATION AND HARASSMENT 2 6. CONFLICTS OF INTEREST AND CORPORATE OPPORTUNITY 4 7. PROTECTION AND PROPER USE OF ASSETS 5 8. OFFERING OR ACCEPTING GIFTS AND GRATU

February 14, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

February 14, 2024 EX-99.1

WEST FRASER TIMBER CO. LTD. ANNUAL INFORMATION FORM DATED FEBRUARY 14, 2024

Exhibit 99.1 WEST FRASER TIMBER CO. LTD. ANNUAL INFORMATION FORM DATED FEBRUARY 14, 2024 TABLE OF CONTENTS ITEM 1 GENERAL INFORMATION 1 ITEM 2 CORPORATE STRUCTURE 1 ITEM 3 GENERAL DEVELOPMENT OF THE BUSINESS 2 3.1 General Development of the Business Over the Last Three Years 2 3.2 Corporate Strategy 6 ITEM 4 DESCRIPTION OF THE BUSINESS 7 4.1 Principal Products and Markets 7 4.2 Markets 8 4.3 Manuf

February 14, 2024 EX-99.1

AMENDED AND RESTATED 2021 CREDIT AGREEMENT WEST FRASER TIMBER CO. LTD. WEST FRASER (USA), INC. as Borrowers THOSE INSTITUTIONS WHOSE NAMES ARE SET FORTH ON THE EXECUTION PAGES HEREOF UNDER THE HEADINGS “CANADIAN LENDERS”, “US LENDERS” AND “TERM LENDE

Exhibit 99.1 Filing Version AMENDED AND RESTATED 2021 CREDIT AGREEMENT between WEST FRASER TIMBER CO. LTD. and WEST FRASER (USA), INC. as Borrowers and THOSE INSTITUTIONS WHOSE NAMES ARE SET FORTH ON THE EXECUTION PAGES HEREOF UNDER THE HEADINGS “CANADIAN LENDERS”, “US LENDERS” AND “TERM LENDERS” as Lenders and THE TORONTO-DOMINION BANK as Administration Agent and TORONTO DOMINION (TEXAS) LLC as U

February 14, 2024 EX-97.1

WEST FRASER TIMBER CO. LTD. CLAWBACK POLICY

WEST FRASER TIMBER CO. LTD. CLAWBACK POLICY West Fraser Timber Co. Ltd. (the “Company”) believes that it is appropriate for the Company to adopt this Clawback Policy (the “Policy”) to be applied to the Executive Officers of the Company and adopts this Policy to be effective as of the Effective Date. 1.Definitions For purposes of this Policy, the following definitions shall apply: a)“Board” means t

February 14, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

February 14, 2024 EX-99.1

WEST FRASER ANNOUNCES COMPLETION OF FORM 40-F FILING

News Release For Immediate Release WEST FRASER ANNOUNCES COMPLETION OF FORM 40-F FILING VANCOUVER, B.

February 14, 2024 EX-99.8

Consent of Independent Registered Public Accounting Firm

Exhibit 99.8 Consent of Independent Registered Public Accounting Firm We hereby consent to the incorporation by reference in this Annual Report on Form 40-F for the year ended December 31, 2023 of West Fraser Timber Co. Ltd. of our report dated February 14, 2024, relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in t

February 14, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

February 14, 2024 EX-99.4

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.4 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Sean McLaren, certify that: (1)I have reviewed this annual report on Form 40-F of West Fraser Timber Co. Ltd.; (2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

February 14, 2024 EX-99.6

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.6 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the annual report on Form 40-F of West Fraser Timber Co. Ltd. (the “Company”) for the period ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Sean McLaren, President and Chief Executive Offi

February 14, 2024 EX-99.5

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 99.5 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Christopher A. Virostek, certify that: (1)I have reviewed this annual report on Form 40-F of West Fraser Timber Co. Ltd.; (2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circums

February 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

February 5, 2024 EX-99.1

WEST FRASER ANNOUNCES CLOSURE OF HINTON PULP SALE

Exhibit 99.1 News Release For Immediate Release WEST FRASER ANNOUNCES CLOSURE OF HINTON PULP SALE VANCOUVER, B.C., February 5, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG announced today that the Company has completed the sale of its Hinton Pulp mill to Mondi Group plc (“Mondi”) following completion of Canadian regulatory reviews and satisfaction of custo

February 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Ca

February 2, 2024 EX-99.1

Date: February 2, 2024

EX-99.1 Exhibit 99.1 Date: February 2, 2024 510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: WEST FRASER TIMBER CO. LTD. Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General Meeting Record Date for Notice of Meeting :

January 25, 2024 EX-99.1

NOTICE OF FOURTH QUARTER RESULTS CONFERENCE CALL

Exhibit 99.1 For Immediate Release NOTICE OF FOURTH QUARTER RESULTS CONFERENCE CALL VANCOUVER, B.C., January 25, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss fourth quarter 2023 financial and operating results on Thursday, February 15, 2024 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To participate

January 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-39

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Can

January 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-39

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia

January 22, 2024 EX-99.1

WEST FRASER ANNOUNCES CLOSURE OF FRASER LAKE SAWMILL

Exhibit 99.1 For Immediate Release WEST FRASER ANNOUNCES CLOSURE OF FRASER LAKE SAWMILL VANCOUVER, B.C., January 22, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that it will permanently close its sawmill in Fraser Lake, British Columbia, following an orderly wind-down. Today’s decision is the result of West Fraser’s inability to access ec

January 10, 2024 EX-99.1

WEST FRASER ANNOUNCES CLOSURE OF MAXVILLE SAWMILL AND INDEFINITE CURTAILMENT OF HUTTIG SAWMILL

EX-99.1 Exhibit 99.1 For Immediate Release WEST FRASER ANNOUNCES CLOSURE OF MAXVILLE SAWMILL AND INDEFINITE CURTAILMENT OF HUTTIG SAWMILL VANCOUVER, B.C., January 9, 2024 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that it will close its sawmill in Maxville, Florida and indefinitely curtail operations at its sawmill in Huttig, Arkansas by the

January 10, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-39

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia

December 12, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-3

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbi

December 12, 2023 EX-99.1

WEST FRASER DECLARES DIVIDEND AND ANNOUNCES APPOINTMENT TO BOARD OF DIRECTORS

EX-99.1 Exhibit 99.1 News Release For Immediate Release WEST FRASER DECLARES DIVIDEND AND ANNOUNCES APPOINTMENT TO BOARD OF DIRECTORS VANCOUVER, B.C., December 12, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.30 per share on the Common shares and Class B Common shares in the capital of the Company, payable on Janu

November 20, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 – 885 West Georgia Street Vancouver, British Columbi

November 20, 2023 EX-99.1

WEST FRASER ANNOUNCES COMPLETION OF SPRAY LAKE SAWMILLS ACQUISITION

Exhibit 99.1 News Release For Immediate Release WEST FRASER ANNOUNCES COMPLETION OF SPRAY LAKE SAWMILLS ACQUISITION VANCOUVER, B.C., November 17, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that the Company has completed the acquisition of Spray Lake Sawmills located in Cochrane, Alberta, following completion of Canadian regulatory review

October 25, 2023 EX-99.5

WEST FRASER ANNOUNCES THIRD QUARTER 2023 RESULTS

News Release For Immediate Release WEST FRASER ANNOUNCES THIRD QUARTER 2023 RESULTS VANCOUVER, B.

October 25, 2023 EX-99.2

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MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

October 25, 2023 EX-99.1

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West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) September 29, December 31, Note 2023 2022 Assets Current assets Cash and cash equivalents $ 1,204 $ 1,162 Receivables 380 350 Inventories 4 818 1,032 Income taxes receivable 119 145 Prepaid expenses 68 60 Assets held for sale 5 165 — 2,754 2,749 Property, pla

October 25, 2023 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Raymond W. Ferris, President and Chief Executive Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended September 29, 2023. 2. No misrepresenta

October 25, 2023 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended September 29

October 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-39

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Can

October 5, 2023 EX-99.1

NOTICE OF THIRD QUARTER RESULTS CONFERENCE CALL

Exhibit 99.1 News Release For Immediate Release NOTICE OF THIRD QUARTER RESULTS CONFERENCE CALL VANCOUVER, B.C., October 5, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss third quarter 2023 financial and operating results on Thursday, October 26, 2023 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To par

October 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File No. 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C

September 22, 2023 EX-99.1

WEST FRASER TO SELL TWO PULP MILLS IN WESTERN CANADA TO ATLAS HOLDINGS Both Mills to be Operated by Alberta-Based Pulp Industry Leader Millar Western Forest Products

Exhibit 99.1 For Immediate Release WEST FRASER TO SELL TWO PULP MILLS IN WESTERN CANADA TO ATLAS HOLDINGS Both Mills to be Operated by Alberta-Based Pulp Industry Leader Millar Western Forest Products Vancouver, B.C., and Greenwich, CT, September 22, 2023—West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) and Atlas Holdings (“Atlas”) today announced the signing of a d

September 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File No. 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

September 12, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File No. 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

September 12, 2023 EX-99.1

WEST FRASER DECLARES DIVIDEND

Exhibit 99.1 News Release For Immediate Release WEST FRASER DECLARES DIVIDEND VANCOUVER, B.C., September 12, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.30 per share on the Common shares and Class B Common shares in the capital of the Company, payable on October 13, 2023 to shareholders of record on September 27,

September 7, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File No. 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

September 7, 2023 EX-99.1

WEST FRASER TO ACQUIRE SPRAY LAKE SAWMILLS

Exhibit 99.1 News Release For Immediate Release WEST FRASER TO ACQUIRE SPRAY LAKE SAWMILLS VANCOUVER, B.C., September 6, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that it has entered into an agreement to acquire Spray Lake Sawmills located in Cochrane, Alberta subject to certain post-closing adjustments. The transaction is anticipated t

August 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File No. 001-39974 W

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada

August 11, 2023 EX-99.1

Form 51–102F3 Material Change Report

EX-99.1 Exhibit 99.1 Form 51–102F3 Material Change Report Item 1. Name and Address of Company West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) 885 West Georgia Street, Suite 1500 Vancouver, BC V6C 3E8 Item 2. Date of Material Change August 9, 2023 Item 3. News Release A news release in respect of the material change was disseminated via Canada Newswire on August 10, 2023 prior to marke

August 10, 2023 EX-99.1

WEST FRASER SENIOR LEADERSHIP TRANSITION PLAN

EX-99.1 Exhibit 99.1 For Immediate Release WEST FRASER SENIOR LEADERSHIP TRANSITION PLAN VANCOUVER, B.C., August 10, 2023 – Hank Ketcham, Chairman of West Fraser’s Board of Directors, (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that Ray Ferris, our President and Chief Executive Officer, plans to retire on December 31, 2023. Ray has been with West Fraser for over 26 years i

August 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File No. 001-39974 W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C

August 4, 2023 40-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F/A Amendment No. 2 ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F/A Amendment No. 2 ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of

August 4, 2023 EX-99.4

CERTIFICATION

EX-99.4 Exhibit 99.4 CERTIFICATION I, Raymond W. Ferris, certify that: (1) I have reviewed this Annual Report on Form 40-F of West Fraser Timber Co. Ltd. for the year ended December 31, 2022. (2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under whic

August 4, 2023 EX-99.5

CERTIFICATION

EX-99.5 Exhibit 99.5 CERTIFICATION I, Christopher A. Virostek, certify that: (1) I have reviewed this Annual Report on Form 40-F of West Fraser Timber Co. Ltd. for the year ended December 31, 2022. (2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

August 3, 2023 CORRESP

Reply to the Attention of

Reply to the Attention of Michael H. Taylor Direct Line 604.691.7410 Email Address [email protected] Our File No. 62128V-298756 Date August 3, 2023 VIA EDGAR CORRESPONDENCE United States Securities and Exchange Commission Division of Corporation Finance Office of Manufacturing 100 F Street, NE Washington, DC 20549 Attn: Charles Eastman and Claire Erlanger Dear Charles and Claire: Re: West

July 26, 2023 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Raymond W. Ferris, President and Chief Executive Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended June 30, 2023. 2. No misrepresentations

July 26, 2023 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended June 30, 202

July 26, 2023 EX-99.5

WEST FRASER ANNOUNCES SECOND QUARTER 2023 RESULTS

News Release For Immediate Release WEST FRASER ANNOUNCES SECOND QUARTER 2023 RESULTS VANCOUVER, B.

July 26, 2023 EX-99.2

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MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

July 26, 2023 EX-99.1

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West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) June 30, December 31, Note 2023 2022 Assets Current assets Cash and cash equivalents $ 994 $ 1,162 Receivables 394 350 Inventories 4 902 1,032 Income taxes receivable 175 145 Prepaid expenses 85 60 Assets held for sale 5 27 — 2,577 2,749 Property, plant and e

July 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Vancouver, British Columbia Canada

July 21, 2023 CORRESP

Reply to the Attention of

Reply to the Attention of Michael H. Taylor Direct Line 604.691.7410 Email Address [email protected] Our File No. 62128V-298756 Date July 21, 2023 VIA EDGAR CORRESPONDENCE United States Securities and Exchange Commission Division of Corporation Finance Office of Manufacturing 100 F Street, NE Washington, DC 20549 Attn: Charles Eastman and Claire Erlanger Dear Charles and Claire: Re: West

July 21, 2023 40-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F/A Amendment No. 1 ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F/A Amendment No. 1 ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of

July 21, 2023 EX-99.5

CERTIFICATION

EX-99.5 Exhibit 99.5 CERTIFICATION I, Christopher A. Virostek, certify that: (1) I have reviewed this Annual Report on Form 40-F of West Fraser Timber Co. Ltd. for the year ended December 31, 2022. (2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

July 21, 2023 EX-99.4

CERTIFICATION

EX-99.4 Exhibit 99.4 CERTIFICATION I, Raymond W. Ferris, certify that: (1) I have reviewed this Annual Report on Form 40-F of West Fraser Timber Co. Ltd. for the year ended December 31, 2022. (2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under whic

July 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File No. 001-39974 WES

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6

July 10, 2023 EX-99.1

WEST FRASER TO SELL HINTON PULP IN ALBERTA; ENTER INTO LONG-TERM FIBRE SUPPLY AGREEMENT

EX-99.1 Exhibit 99.1 News Release For Immediate Release WEST FRASER TO SELL HINTON PULP IN ALBERTA; ENTER INTO LONG-TERM FIBRE SUPPLY AGREEMENT VANCOUVER, B.C., July 10, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) today announced an agreement to sell its unbleached softwood kraft pulp mill in Hinton, Alberta to Mondi Group plc (“Mondi”), a global leader

July 10, 2023 EX-99.1

NOTICE OF SECOND QUARTER RESULTS CONFERENCE CALL

EX-99.1 Exhibit 99.1 News Release For Immediate Release NOTICE OF SECOND QUARTER RESULTS CONFERENCE CALL VANCOUVER, B.C., July 10, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss second quarter 2023 financial and operating results on Thursday, July 27, 2023 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. T

July 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File No. 001-39974 WES

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6

June 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File No. 001-39974 WES

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6

June 22, 2023 EX-99.1

WEST FRASER RELEASES 2022 SUSTAINABILITY REPORT

EX-99.1 Exhibit 99.1 News Release For Immediate Release WEST FRASER RELEASES 2022 SUSTAINABILITY REPORT VANCOUVER, B.C., June 21, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) today released its 2022 Sustainability Report, providing a comprehensive disclosure on topics such as climate action, sustainable forestry and environmental performance as well as a

June 20, 2023 EX-99.5

THIRD JOINT FILING AGREEMENT

Exhibit 99.5 THIRD JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing of a statement on Schedule 13D (including amendments thereto) with respect to the Common Shares of West Fraser Timber Co. Ltd., a British Columbia corporation, and further agree that this Third Joint Filing Agreement be inclu

June 20, 2023 EX-99.6

CONTRIBUTION AND TRANSFER Agreement BANASINO INVESTMENTS LIMITED, as contributor BANASINO INVESTMENTS S.à r.l., as contributee

Exhibit 99.6 CONTRIBUTION AND TRANSFER Agreement between BANASINO INVESTMENTS LIMITED, as contributor AND BANASINO INVESTMENTS S.à r.l., as contributee this CONTRIBUTION AND TRANSFER AGREEMENT (the “agreement”) is made and entered INTO ON 16 June 2023. between: BANASINO INVESTMENTS LIMITED, a company incorporated and existing under the laws of Cyprus, established and having its registered office a

June 20, 2023 SC 13D/A

WFG / West Fraser Timber Co., Ltd. / Banasino Investments Ltd - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.

June 7, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File No. 001-39974 WES

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6

June 7, 2023 EX-99.1

WEST FRASER DECLARES DIVIDEND

EX-99.1 Exhibit 99.1 News Release For Immediate Release WEST FRASER DECLARES DIVIDEND VANCOUVER, B.C., June 7, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.30 per share on the Common shares and Class B Common shares in the capital of the Company, payable on July 7, 2023 to shareholders of record on June 21, 2023.

May 23, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File No. 001-39974 WEST

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6C

May 23, 2023 EX-99.1

WEST FRASER ANNOUNCES APPOINTMENT OF ERIC L. BUTLER TO BOARD OF DIRECTORS

EX-99.1 2 d677737dex991.htm EX-99.1 Exhibit 99.1 News Release For Immediate Release WEST FRASER ANNOUNCES APPOINTMENT OF ERIC L. BUTLER TO BOARD OF DIRECTORS VANCOUVER, B.C., May 23, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) today announced the appointment of Eric L. Butler to its Board of Directors. Eric Butler is an accomplished executive and leader.

April 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-3997

6-K 1 q1-23wfgform6xk.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 1500 - 885 West Georgia Street Van

April 25, 2023 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended March 31, 20

April 25, 2023 EX-99.1

-1-

EX-99.1 2 exhibit991-q1x23interimfs.htm EX-99.1 West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) March 31, 2023 December 31, 2022 Note Assets Current assets Cash and cash equivalents $ 847 $ 1,162 Receivables 462 350 Income taxes receivable 155 145 Inventories 4 1,142 1,032 Prepaid expenses 56 60 2,661 2,74

April 25, 2023 EX-99.5

WEST FRASER ANNOUNCES FIRST QUARTER 2023 RESULTS

News Release For Immediate Release WEST FRASER ANNOUNCES FIRST QUARTER 2023 RESULTS VANCOUVER, B.

April 25, 2023 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Raymond W. Ferris, President and Chief Executive Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of West Fraser Timber Co. Ltd. (the “issuer”) for the interim period ended March 31, 2023. 2. No misrepresentation

April 25, 2023 EX-99.2

- 1 -

MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co.

April 21, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File No. 001-39974 WE

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

April 21, 2023 EX-99.1

SHAREHOLDER RIGHTS PLAN DATED AS OF APRIL 9, 2020 AS AMENDED AND RESTATED AS OF APRIL 18, 2023 WEST FRASER TIMBER CO. LTD. COMPUTERSHARE INVESTOR SERVICES INC. AS RIGHTS AGENT

EX-99.1 Exhibit 99.1 SHAREHOLDER RIGHTS PLAN AGREEMENT DATED AS OF APRIL 9, 2020 AND AS AMENDED AND RESTATED AS OF APRIL 18, 2023 BETWEEN WEST FRASER TIMBER CO. LTD. AND COMPUTERSHARE INVESTOR SERVICES INC. AS RIGHTS AGENT TABLE OF CONTENTS Article 1 INTERPRETATION 1 1.1 Certain Definitions 1 1.2 Currency 16 1.3 Headings 16 1.4 Calculation of Number and Percentage of Beneficial Ownership of Outsta

April 18, 2023 EX-99.1

WEST FRASER ANNOUNCES VOTING RESULTS OF THE ANNUAL SHAREHOLDERS MEETING

EX-99.1 2 d469181dex991.htm EX-99.1 Exhibit 99.1 News Release For Immediate Release WEST FRASER ANNOUNCES VOTING RESULTS OF THE ANNUAL SHAREHOLDERS MEETING VANCOUVER, B.C., April 18, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced the voting results from its Annual General and Special Meeting held on Tuesday, April 18, 2023 in Quesnel, BC. Voting R

April 18, 2023 EX-99.2

ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS OF WEST FRASER TIMBER CO. LTD. (“WEST FRASER”) Tuesday, April 18, 2023 – 11:30 a.m. Quesnel, British Columbia

EX-99.2 Exhibit 99.2 ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS OF WEST FRASER TIMBER CO. LTD. (“WEST FRASER”) Tuesday, April 18, 2023 – 11:30 a.m. Quesnel, British Columbia Voting Results This report on the voting results of the annual general and special meeting of shareholders of West Fraser is made in accordance with section 11.3 of National Instrument 51-102 Continuous Disclosure Obli

April 18, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File No. 001-39974 WE

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 1500 - 885 West Georgia Street Vancouver, British Columbia V6C 3E8 (Addr

April 13, 2023 EX-99.1

SBTi VALIDATES WEST FRASER’S SCIENCE-BASED EMISSIONS REDUCTION TARGETS World’s largest renewable building materials producer to materially reduce GHG emissions by 2030

EX-99.1 Exhibit 99.1 For Immediate Release SBTi VALIDATES WEST FRASER’S SCIENCE-BASED EMISSIONS REDUCTION TARGETS World’s largest renewable building materials producer to materially reduce GHG emissions by 2030 VANCOUVER, B.C., April 13, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that the Science Based Targets initiative (SBTi) has valid

April 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File No. 001-39974 WE

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

April 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File No. 001-39974 WE

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

April 5, 2023 EX-99.1

NOTICE OF FIRST QUARTER RESULTS CONFERENCE CALL

EX-99.1 Exhibit 99.1 For Immediate Release NOTICE OF FIRST QUARTER RESULTS CONFERENCE CALL VANCOUVER, B.C., April 5, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss first quarter 2023 financial and operating results on Wednesday, April 26, 2023 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To participate

March 17, 2023 EX-99.3

Proxies submitted must be received by 11:30 a.m. (Vancouver Time) on April 14, 2023.

EX-99.3 Exhibit 99.3 8th Floor, 100 University Avenue Toronto, Ontario M5J 2Y1 www.computershare.com Security Class Holder Account Number Fold Form of Proxy - Annual General and Special Meeting to be held on April 18, 2023 This Form of Proxy is solicited by and on behalf of Management. Notes to proxy 1. Every holder has the right to appoint some other person or company of their choice, who need no

March 17, 2023 EX-99.5

Cash Deposit

EX-99.5 Exhibit 99.5 West Fraser 2022 ANNUAL REPORT Table of Contents West Fraser Operations 1 2022 Annual Management’s Discussion & Analysis 8 Operating Footprint on Two Continents 1 2022 Audited Consolidated Financial Statements 67 Message from Our Chief Executive Officer 2 Directors & Officers 109 2022 Highlights 4 Glossary of Key Terms 110 Financial Performance 6 Corporate Information 111 Memb

March 17, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File No. 001-39974 WE

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V

March 17, 2023 EX-99.4

Interim Financial Statements

EX-99.4 Exhibit 99.4 Please return completed form to: Computershare 8th Floor, 100 University Avenue Toronto, Ontario M5J 2Y1 Interim Financial Statements Annual Financial Statements Mark this box if you would like to receive Interim Financial Statements by mail. Mark this box if you would like to receive the Annual Financial Statements by mail. Check below if you would like to receive future mail

March 17, 2023 EX-99.1

NOTICE OF ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS

Exhibit 99.1 NOTICE OF ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS We will hold the Meeting in Quesnel, B.C. Additionally, a live-webcast option will be provided for Shareholders to listen in and view the Meeting and ask questions. The annual general and special meeting (the “Meeting”) of shareholders (“Shareholders”) of West Fraser Timber Co. Ltd. (the “Company”) will be held on April 18,

March 17, 2023 EX-99.2

NOTICE OF ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS

EX-99.2 Exhibit 99.2 West Fraser Timber Co. Ltd. Notice of Annual General and Special Meeting of Shareholders To Be Held April 18, 2023 Management Information Circular Your Participation is Important Please Take the Time to Vote WHAT’S INSIDE INVITATION TO SHAREHOLDERS 1 NOTICE OF ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS 1 MANAGEMENT INFORMATION CIRCULAR 1 DEFINITIONS 1 ADDITIONAL INFORM

February 23, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974

6-K 1 d360945d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, B

February 23, 2023 EX-99.1

WEST FRASER ANNOUNCES RENEWAL OF NORMAL COURSE ISSUER BID

EX-99.1 Exhibit 99.1 WEST FRASER ANNOUNCES RENEWAL OF NORMAL COURSE ISSUER BID VANCOUVER, BC, Feb. 22, 2023 /CNW/—West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that the Toronto Stock Exchange (“TSX”) has accepted West Fraser’s notice to renew its normal course issuer bid (“NCIB”). Under the renewed NCIB, West Fraser will be entitled to purchase up

February 21, 2023 EX-99.4

SECOND JOINT FILING AGREEMENT

Exhibit 99.4 SECOND JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing of a statement on Schedule 13D (including amendments thereto) with respect to the Common Shares of West Fraser Timber Co. Ltd., a British Columbia corporation, and further agree that this Second Joint Filing Agreement be inc

February 21, 2023 SC 13D/A

WFG / West Fraser Timber Co., Ltd. / Banasino Investments Ltd - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.

February 14, 2023 EX-99.1

WEST FRASER TIMBER CO. LTD. ANNUAL INFORMATION FORM DATED FEBRUARY 14, 2023

Exhibit 99.1 WEST FRASER TIMBER CO. LTD. ANNUAL INFORMATION FORM DATED FEBRUARY 14, 2023 TABLE OF CONTENTS ITEM 1 GENERAL INFORMATION 1 ITEM 2 CORPORATE STRUCTURE 1 ITEM 3 GENERAL DEVELOPMENT OF THE BUSINESS 2 3.1 General Development of the Business Over the Last Three Years 2 3.2 Corporate Strategy 5 ITEM 4 DESCRIPTION OF THE BUSINESS 6 4.1 Principal Products and Markets 6 4.2 Markets 7 4.3 Manuf

February 14, 2023 EX-99.7

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EX-99.7 8 exhibit997-2022cfosection9.htm EX-99.7 Exhibit 99.7 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of West Fraser Timber Co. Ltd. (the “Company”) on Form 40-F for the period ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

February 14, 2023 EX-99.1

WEST FRASER ANNOUNCES COMPLETION OF FORM 40-F FILING

Exhibit 99.1 News Release For Immediate Release WEST FRASER ANNOUNCES COMPLETION OF FORM 40-F FILING VANCOUVER, B.C., February 14, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that it filed its 2022 annual report on Form 40-F with the SEC on EDGAR (www.sec.gov). The Form 40-F includes the Company’s audited financial statements for the year

February 14, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6

February 14, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canada V6

February 14, 2023 EX-99.2

West Fraser Timber Co. Ltd. Consolidated Financial Statements December 31, 2022 and 2021

Exhibit 99.2 West Fraser Timber Co. Ltd. Consolidated Financial Statements December 31, 2022 and 2021 -1- RESPONSIBILITY OF MANAGEMENT Management’s Report on the Consolidated Financial Statements The accompanying consolidated financial statements and related notes are the responsibility of the management of West Fraser Timber Co. Ltd. (the “Company”). They have been prepared in accordance with Int

February 14, 2023 EX-99.1

WEST FRASER ANNOUNCES FOURTH QUARTER 2022 RESULTS

Exhibit 99.1 News Release For Immediate Release WEST FRASER ANNOUNCES FOURTH QUARTER 2022 RESULTS VANCOUVER, B.C., February 14, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) reported today the fourth quarter results of 2022 (“Q4-22”). All dollar amounts in this news release are expressed in U.S. dollars unless noted otherwise. Fourth Quarter Highlights • S

February 14, 2023 EX-99.4

CERTIFICATION

Exhibit 99.4 CERTIFICATION I, Raymond W. Ferris, certify that: (1)I have reviewed this Annual Report on Form 40-F of West Fraser Timber Co. Ltd. for the year ended December 31, 2022. (2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such sta

February 14, 2023 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F o REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant as spe

February 14, 2023 EX-99.6

CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EX-99.6 7 exhibit996-2022ceosection9.htm EX-99.6 Exhibit 99.6 CERTIFICATION PURSUANT TO 18 U.S.C. §1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of West Fraser Timber Co. Ltd. (the “Company”) on Form 40-F for the period ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

February 14, 2023 EX-99.5

CERTIFICATION

Exhibit 99.5 CERTIFICATION I, Christopher A. Virostek, certify that: (1)I have reviewed this Annual Report on Form 40-F of West Fraser Timber Co. Ltd. for the year ended December 31, 2022. (2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which su

February 14, 2023 EX-99.8

Consent of Independent Registered Public Accounting Firm

Exhibit 99.8 Consent of Independent Registered Public Accounting Firm We hereby consent to the incorporation by reference in this Annual Report on Form 40-F for the year ended December 31, 2022 of West Fraser Timber Co. Ltd. of our report dated February 14, 2023, relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in E

February 14, 2023 EX-99.3

- 1 -

Exhibit 99.3 MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co. Ltd.’s (“West Fraser”, the “Company”, “we”, “us”, or “our”) financial performance for the year and three months ended December 31, 2022 should be read in conjunction with our annual audited consolidated financial statements and accompanying notes for the year e

February 8, 2023 EX-99.1

CARIBOO PULP & PAPER PLANNED CURTAILMENT THIS SPRING AND FALL

EX-99.1 Exhibit 99.1 News Release For Immediate Release CARIBOO PULP & PAPER PLANNED CURTAILMENT THIS SPRING AND FALL VANCOUVER, B.C., February 7, 2023 – West Fraser Timber Co. Ltd. (“West Fraser”) (TSX and NYSE: WFG) today announced the planned curtailment of operations at Cariboo Pulp & Paper located in Quesnel, British Columbia, beginning in mid-April for a month and then for another month in t

February 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974

6-K 1 d448763d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, B

February 6, 2023 EX-99.1

Date: February 1, 2023

EX-99.1 2 d453435dex991.htm EX-99.1 Exhibit 99.1 Date: February 1, 2023 510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com To: All Canadian Securities Regulatory Authorities Subject: WEST FRASER TIMBER CO. LTD. Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General and Special Meet

February 6, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, British Columbia Canad

February 3, 2023 SC 13G

WFG / West Fraser Timber Co. Ltd / PICTET ASSET MANAGEMENT SA - SC 13G Passive Investment

SC 13G 1 d431575dsc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* West Fraser Timber Co.Ltd (Name of Issuer) COMMON STOCK (Title of Class of Securities) 952845105 (CUSIP Number) 12/31/2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the

January 24, 2023 EX-99.1

NOTICE OF FOURTH QUARTER RESULTS CONFERENCE CALL

Exhibit 99.1 For Immediate Release NOTICE OF FOURTH QUARTER RESULTS CONFERENCE CALL VANCOUVER, B.C., January 24, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) will hold an analysts’ conference call to discuss fourth quarter 2022 financial and operating results on Wednesday, February 15, 2023 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To participate

January 24, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File No. 001-39974

6-K 1 d381028d6k.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 885 West Georgia Street, Suite 1500 Vancouver, Br

January 11, 2023 EX-99.1

WEST FRASER ANNOUNCES INDEFINITE CURTAILMENT OF PERRY SAWMILL

EX-99.1 Exhibit 99.1 For Immediate Release WEST FRASER ANNOUNCES INDEFINITE CURTAILMENT OF PERRY SAWMILL VANCOUVER, B.C., January 10, 2023 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) announced today that it will indefinitely curtail its Perry Sawmill in Florida later this month. Today’s decision is the result of high fiber costs and softening lumber markets.

January 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File No. 001-39974

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 501- 858 Beatty Street Vancouver, British Columbia Canada V6B 1C1 (Add

December 7, 2022 EX-99.1

WEST FRASER DECLARES DIVIDEND

EX-99.1 Exhibit 99.1 News Release For Immediate Release WEST FRASER DECLARES DIVIDEND VANCOUVER, B.C., December 6, 2022 – West Fraser Timber Co. Ltd. (“West Fraser” or the “Company”) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.30 per share on the Common shares and Class B Common shares in the capital of the Company, payable on January 13, 2023 to shareholders of record on Decembe

December 7, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File No. 001-39974

6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant’s name into English) 501- 858 Beatty Street Vancouver, British Columbia Canada V6B 1C1 (Ad

November 3, 2022 SC 13D/A

WFG / West Fraser Timber Co. Ltd / Banasino Investments Ltd - SC 13D/A Activist Investment

? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 ? SCHEDULE 13D ? UNDER THE SECURITIES EXCHANGE ACT OF 1934 ? (AMENDMENT NO.

October 26, 2022 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Senior Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of West Fraser Timber Co. Ltd. (the ?issuer?) for the interim period ended September 30

October 26, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 501-858 Beatty Street Vancouver, British Columbia Canada, V6

October 26, 2022 EX-99.2

- 1 -

EX-99.2 3 exhibit992-q3x22mda.htm EX-99.2 MANAGEMENT’S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (“MD&A”) of West Fraser Timber Co. Ltd.’s (“West Fraser”, the “Company”, “we”, “us”, or “our”) financial performance for the three and nine months ended September 30, 2022 should be read in conjunction with: (i) our unaudited condensed consolidated interim financial

October 26, 2022 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Raymond W. Ferris, President and Chief Executive Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of West Fraser Timber Co. Ltd. (the ?issuer?) for the interim period ended September 30, 2022. 2. No misrepresenta

October 26, 2022 EX-99.5

WEST FRASER ANNOUNCES THIRD QUARTER 2022 RESULTS

News Release For Immediate Release WEST FRASER ANNOUNCES THIRD QUARTER 2022 RESULTS VANCOUVER, B.

October 26, 2022 EX-99.1

-1-

West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) September 30, December 31, Note 2022 2021 Assets Current assets Cash and short-term investments $ 1,323 $ 1,568 Receivables 487 508 Income taxes receivable 65 42 Inventories 5 1,031 1,061 Prepaid expenses 100 38 3,006 3,217 Property, plant and equipment 3,934

October 7, 2022 EX-99.1

NOTICE OF THIRD QUARTER RESULTS CONFERENCE CALL

Exhibit 99.1 News Release For Immediate Release NOTICE OF THIRD QUARTER RESULTS CONFERENCE CALL VANCOUVER, B.C., October 7, 2022 ? West Fraser Timber Co. Ltd. (?West Fraser? or the ?Company?) (TSX and NYSE: WFG) will hold an analysts? conference call to discuss third quarter 2022 financial and operating results on Thursday, October 27, 2022 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To par

October 7, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File No. 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant?s name into English) 501- 858 Beatty Street Vancouver, British Columbia Canada V6B 1C1 (Address

September 7, 2022 EX-99.1

WEST FRASER DECLARES DIVIDEND

Exhibit 99.1 News Release For Immediate Release WEST FRASER DECLARES DIVIDEND VANCOUVER, B.C., September 7, 2022 ? West Fraser Timber Co. Ltd. (?West Fraser? or the ?Company?) (TSX and NYSE: WFG) has declared a quarterly dividend of US$0.30 per share on the Common shares and Class B Common shares in the capital of the Company, payable on October 7, 2022 to shareholders of record on September 22, 2

September 7, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File No. 001-3997

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant?s name into English) 501- 858 Beatty Street Vancouver, British Columbia Canada V6B 1C1 (Addre

August 10, 2022 EX-99.1

WEST FRASER AMENDS ITS BRITISH COLUMBIA OPERATING PLAN

Exhibit 99.1 News Release For Immediate Release WEST FRASER AMENDS ITS BRITISH COLUMBIA OPERATING PLAN VANCOUVER, B.C., August 9, 2022 ? West Fraser Timber Co. Ltd. (?West Fraser? or the ?Company?) (TSX and NYSE: WFG) announced today it is permanently curtailing approximately 170 million board feet of combined production at its Fraser Lake and Williams Lake sawmills and approximately 85 million sq

August 10, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File No. 001-39974 W

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant?s name into English) 501- 858 Beatty Street Vancouver, British Columbia Canada V6B 1C1 (Address

July 27, 2022 EX-99.2

- 1 -

MANAGEMENT?S DISCUSSION & ANALYSIS INTRODUCTION This discussion and analysis by management (?MD&A?) of West Fraser Timber Co.

July 27, 2022 EX-99.4

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Christopher A. Virostek, Vice-President, Finance and Chief Financial Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of West Fraser Timber Co. Ltd. (the ?issuer?) for the interim period ended June 30, 2022. 2. N

July 27, 2022 EX-99.3

Form 52-109F2 Certification of Interim Filings Full Certificate

Form 52-109F2 Certification of Interim Filings Full Certificate I, Raymond W. Ferris, President and Chief Executive Officer of West Fraser Timber Co. Ltd., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the ?interim filings?) of West Fraser Timber Co. Ltd. (the ?issuer?) for the interim period ended June 30, 2022. 2. No misrepresentations

July 27, 2022 EX-99.1

-1-

West Fraser Timber Co. Ltd. Condensed Consolidated Balance Sheets (in millions of United States dollars, except where indicated - unaudited) June 30, December 31, Note 2022 2021 Assets Current assets Cash and short-term investments $ 1,281 $ 1,568 Receivables 554 508 Income taxes receivable 25 42 Inventories 5 1,088 1,061 Prepaid expenses 76 38 3,024 3,217 Property, plant and equipment 3,965 4,100

July 27, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File Number: 001-39974

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File Number: 001-39974 WEST FRASER TIMBER CO. LTD. (Exact name of Registrant, as specified in its charter) 501-858 Beatty Street Vancouver, British Columbia Canada, V6B 1C1

July 27, 2022 EX-99.5

WEST FRASER ANNOUNCES SECOND QUARTER 2022 RESULTS

News Release For Immediate Release WEST FRASER ANNOUNCES SECOND QUARTER 2022 RESULTS VANCOUVER, B.

July 19, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File No. 001-39974 WES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant?s name into English) 501- 858 Beatty Street Vancouver, British Columbia Canada V6B 1C1 (Address of

July 19, 2022 EX-99.1

West Fraser Issues Statement

Exhibit 99.1 News Release For Immediate Release West Fraser Issues Statement VANCOUVER, B.C., July 19, 2022 ? West Fraser Timber Co. Ltd. (?West Fraser? or the ?Company?) (TSX and NYSE: WFG) today issued the following statement: The Company is aware of recent market and media speculation. Although the Company has previously met with Kronospan, an existing shareholder, and CVC Capital Partners, the

July 6, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File No. 001-39974 WES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2022 Commission File No. 001-39974 WEST FRASER TIMBER CO. LTD. (Translation of registrant?s name into English) 501- 858 Beatty Street Vancouver, British Columbia Canada V6B 1C1 (Address of

July 6, 2022 EX-99.1

NOTICE OF SECOND QUARTER RESULTS CONFERENCE CALL

Exhibit 99.1 News Release For Immediate Release NOTICE OF SECOND QUARTER RESULTS CONFERENCE CALL VANCOUVER, B.C., July 6, 2022 ? West Fraser Timber Co. Ltd. (?West Fraser? or the ?Company?) (TSX and NYSE: WFG) will hold an analysts? conference call to discuss second quarter 2022 financial and operating results on Thursday, July 28, 2022 at 8:30 a.m. Pacific Time/11:30 a.m. Eastern Time. To partici

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