Attached files

file filename
10-K - NATIONAL INSTRUMENTS 2009 10K - NATIONAL INSTRUMENTS CORPd123109.htm
EX-31.1 - EXHIBIT 31.1 - NATIONAL INSTRUMENTS CORPex31_1.htm
EX-23.1 - EXHIBIT 23.1 - NATIONAL INSTRUMENTS CORPex23_1.htm
EX-21.1 - EXHIBIT 21.1 - NATIONAL INSTRUMENTS CORPex21_1.htm
EX-31.2 - EXHIBIT 31.2 - NATIONAL INSTRUMENTS CORPex31_2.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, James Truchard, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report of National Instruments Corporation on Form 10-K for the fiscal year ended December 31, 2009 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 Form 10-K fairly presents in all material respects the financial condition and results of operations of National Instruments Corporation.
 
     
       
 
By:
/s/ James Truchard  
  Name:  James Truchard   
  Title:  Chief Executive Officer   
       

 
I, Alex Davern, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report of National Instruments Corporation on Form 10-K for the fiscal year ended December 31, 2009 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 Form 10-K fairly presents in all material respects the financial condition and results of operations of National Instruments Corporation.
 
     
       
 
By:
/s/ Alex Davern  
  Name:  Alex Davern   
  Title:  Chief Financial Officer