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10-Q/A - FORM 10-Q/A - ADVANCED ENERGY INDUSTRIES INCc22970e10vqza.htm
EX-31.6 - EXHIBIT 31.6 - ADVANCED ENERGY INDUSTRIES INCc22970exv31w6.htm
EX-10.1 - EXHIBIT 10.1 - ADVANCED ENERGY INDUSTRIES INCc22970exv10w1.htm
EXHIBIT 31.5
I, Garry Rogerson, certify that:
1.   I have reviewed this Quarterly Report on Form 10-Q for the period ended March 31, 2011, of Advanced Energy Industries, Inc.;
 
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: November 1, 2011
         
  /s/ Garry Rogerson    
  Garry Rogerson   
  Chief Executive Officer   
A signed original of this written statement required by Rule 13a-14(a)/15d-14(a), or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Rule 13a-14(a)/15d-14(a), has been provided to Advanced Energy and will be retained by Advanced Energy and furnished to the Securities and Exchange Commission or its staff upon request.