EX-32.1 6 raxex-321_123112.htm SECTION 906 CERTIFICATION OF CEO RAX Ex-32.1_12.31.12


Exhibit 32.1
 
CERTIFICATION OF CHIEF EXECUTIVE OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
 
In connection with the Annual Report on Form 10-K of Rackspace Hosting, Inc. for the year ended December 31, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), A. Lanham Napier, as Principal Executive Officer of Rackspace Hosting, Inc., hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge, the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Rackspace Hosting, Inc.
 
Date:
March 1, 2013
 
By:
 
/s/ A. Lanham Napier 
 
 
 
 
 
A. Lanham Napier
 
 
 
 
 
Chief Executive Officer and Director
 
 
 
 
 
(Principal Executive Officer)