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CERTIFICATION PURSUANT TO 
18 U.S.C. SECTION 1350, 
AS ADOPTED PURSUANT TO 
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, James M. Lopez, certify that:

|1) | I have reviewed this annual report on Form
        40-F of Tembec Industries Inc.;                                                                                                                                                                                                                                                                          
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|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
        statements were made, not misleading with respect to the period covered
        by this report;                  
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|3) | Based on my knowledge, the financial
        statements, and other financial information included in this report,
        fairly present in all material respects the financial condition, results
        of operations and cash flows of the issuer as of, and for, the periods
        presented in this report;                                         
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|4) | The issuer's other certifying officer and
        I are responsible for establishing and maintaining disclosure controls
        and procedures (as defined in Exchange Act Rules 13a-15(e) and
        15d-15(e)) and internal control over financial reporting (as defined in
        Exchange Act Rules 13a-15(f) and 15d-15(f)) for the issuer and have:
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|   | a)                                                                                                                                                                                                                                                                                                                                                          
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|   | b)                                                                                                                                                                                                                                                                                                                                                          
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|   | c)                                                                                                                                                                                                                                                                                                                                                          
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|   | d)                                                                                                                                                                                                                                                                                                                                                          
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|5) | The issuer's other certifying officer and
I have disclosed, based on our most recent evaluation of internal control over
financial reporting, to the issuer's auditors and the audit committee of the
issuer's board of directors (or persons performing the equivalent functions):                                                                         
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|   | a)                                                                                                                                                                                                                                                                                                                                                          
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|   | b)                                                                                                                                                                                                                                                                                                                                                          

Date: December 21, 2006



/s/ James M. Lopez
James M. Lopez 
President and Chief Executive Officer

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