Exhibit 32.1
CERTIFICATION PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
(18 U.S.C. SECTION 1350)
In connection with the accompanying Annual Report of Syniverse Holdings, Inc. and Syniverse Technologies, Inc. (the “Companies”) on Form 10-K for the year ended December 31, 2004 (the “Report”), I, G. Edward Evans, Chief Executive Officer of the Company, hereby certify that to my knowledge:
| (1) | The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and |
| (2) | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Companies. |
| Dated: | March 30, 2005 | /S/ G. EDWARD EVANS | ||||||
G. Edward Evans Chief Executive Officer | ||||||||
The above certification is furnished solely pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. 1350) and is not being filed as part of the Form 10-K or as a separate disclosure document.