EXHIBIT 32.1
CERTIFICATION PURSUANT
TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
I, Manuel D. Medina, hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
(1) The accompanying Amendment No. 1 onForm 10-K/A for the fiscal year ended March 31, 2009 fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; and
(2) The information contained in such report fairly presents, in all material respects, the financial condition and results of operations of Terremark Worldwide, Inc.
/s/ Manuel D. Medina
Chairman, President and Chief Executive Officer
(Principal Executive Officer)
Date: July 29, 2009
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