Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - Proto Labs IncFinancial_Report.xls
EX-31.1 - CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER - Proto Labs Incd319833dex311.htm
EX-31.2 - CERTIFICATION OF THE CHIEF FINANCIAL OFFICER - Proto Labs Incd319833dex312.htm
10-Q - FORM 10-Q - Proto Labs Incd319833d10q.htm

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Bradley A. Cleveland, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Proto Labs, Inc. on Form 10-Q for the fiscal quarter ended March 31, 2012 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Proto Labs, Inc.

Date: May 4, 2012

 

     

By:      /s/ Bradley A. Cleveland                        

     

Name: Bradley A. Cleveland

     

Title:   President and Chief Executive Officer

I, John R. Judd, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Proto Labs, Inc. on Form 10-Q for the fiscal quarter ended March 31, 2012 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Proto Labs, Inc.

Date: May 4, 2012

 

             By:       /s/ John R. Judd                                        
      Name: John R. Judd
      Title:   Chief Financial Officer