TAMPA, Fla. - May 3, 2012 - Syniverse Holdingswill report its first quarter 2012 results on May 9 and will host a conference call on May 10 at 11:00 a.m. ET to discuss the results.

The Quarterly Report on Form 10-Q, including unaudited consolidated financial statements for the three months ended March 31, 2012, will be filed with the U.S. Securities and Exchange Commission and posted on the company website at www.syniverse.com in the Investors section under About Us. In advance of the conference call, a presentation summarizing the financial results will be posted to the Investor section our website and will be addressed on the call.

To participate on this call, U.S. callers may dial toll free 1-888-396-2384; international callers may dial direct 1-617-847-8711. The passcode for this call is 95903672.

A replay of this call will be available beginning at approximately 1:00 p.m. ET on May 10 and will remain available through May 17 at 11:59 p.m. ET. To access the replay, U.S. callers may dial toll free 1-888-286-8010; international callers may dial direct 1-617-801-6888. The replay passcode is 88285425.

About Syniverse
Syniverse makes mobile work for more than 900 mobile operators, cable and Internet providers, and enterprises in over 160 countries. With unmatched expertise and more than 20 years simplifying the complexities of roaming, messaging and networking, Syniverse serves as the force at the center of the mobile communications universe, keeping people connected today and forging new connections for tomorrow. Nobody knows mobile like Syniverse. For more information, visit www.syniverse.com, follow Syniverse on Twitteror find Syniverse on Facebook.

Investor Relations Contact:

David Hitchcock
Chief Financial and Administrative Officer
+1 813.637.5837

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