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10-K/A - FORM 10-K/A - DYNAMEX INCd77846e10vkza.htm
EX-31.2 - EX-31.2 - DYNAMEX INCd77846exv31w2.htm
EXHIBIT 31.1
CERTIFICATION OF CHIEF EXECUTIVE OFFICER OF THE REGISTRANT,
PURSUANT TO 17 CFR 240.13a – 14(a) OR 17 CFR 240.15d – 14(a)
I, James L. Welch, certify that:
  1.   I have reviewed this annual report on Form 10-K (Amendment No. 1) of Dynamex Inc.; and
 
  2.   Based on my knowledge, this annual report does not contain any untrue statements 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 annual report.
 
Date: November 18, 2010
 
 
  /s/ James L. Welch    
  Name:   James L. Welch   
  Title:   President and Chief Executive Officer