EX-31.1 3 h24760a1exv31w1.htm CERTIFICATION TO RULE 13A-14A AND RULE 15D-14A exv31w1
 

Exhibit 31.1

I, Merrill A. Miller, Jr., certify that:

     1. I have reviewed this amendment number 1 to the annual report on Form 10-K/A of National Oilwell Varco, Inc.; and

     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.
         
     
Date: April 29, 2005  By:   /s/ Merrill A. Miller, Jr.    
  Merrill A. Miller, Jr.   
  President and Chief Executive Officer