Syniverse and Pronto Networks Announce Wi-Fi Clearing and Settlement Agreement

WLAN clearinghouse services to enable global bi-lateral roaming among hotspot network operators

CTIA WIRELESS 2004 – ATLANTA, GA – March 22, 2004 – Syniverse Technologies, a leading global communications company, and Pronto Networks, a leading provider of carrier-class OSS solutions for large Wi-Fi hotspot networks, announced an agreement where Pronto will integrate its Wi-Fi service delivery platform with Syniverse’s clearinghouse to facilitate bi-lateral Wi-Fi roaming with both domestic and international roaming partners. By leveraging Syniverse’s Mobile Data Roaming Services platform, Pronto enables its service provider customers to expand their Wi-Fi footprint for their subscribers and to collect additional revenue from subscribers of other operators who roam onto their networks.

Syniverse will act as a central point of connection to manage the routing and security for AAA messaging between Pronto’s service provider customers and their roaming partners. Additionally, Syniverse will provide wholesale rating, clearing and settlement, as well ACCESSibility® customizable online financial and detailed usage reports.

”Syniverse is the recognized leader in providing wireless clearinghouse and roaming services and we are excited to be a partner,” said Doug Hilmes, Pronto Networks’ Vice President of Business Development. “Expanding Wi-Fi footprint has been a major challenge for hotspot operators to date, and we believe that WLAN clearinghouses will solve this challenge by enabling seamless roaming among multiple network operators via integration with a central clearinghouse.”

“Pronto Networks has established itself as a pivotal player in the emerging public WLAN market and has an impressive, global service provider customer base,” said Linda Hermansen, Syniverse Vice President of Business Development. “Our suite of integrated Wi-Fi roaming services provides Pronto customers a cost effective, competitive edge in bridging the technical gaps and simplifying the business relationships among their growing number of roaming partners throughout the world.”

About Syniverse Technologies
Syniverse Technologies enables global communications by developing innovative business and network engineering solutions that manage and interconnect voice and data systems in more than 30 countries throughout the Americas, Asia Pacific and Europe. Syniverse provides technology interoperability, network services and number portability to nearly 300 mobile operators, wireline carriers, emerging telecom market entrants and enterprise customers. Products include SS7 intelligent network solutions, clearing and settlement services, voice and data roaming facilitation, revenue enhancement solutions and more than 25 other integrated services. Syniverse is headquartered in Tampa, Fla., U.S.A., with offices in major cities throughout the Americas and in The Netherlands, London, Luxembourg, Rome, Beijing and Hong Kong. For more information, visit www.syniverse.com.

CUSIP: 87287VAB8 Bloomberg Tickers: TSITEL (Bond) 32497Z (Equity)

About Pronto Networks
Pronto Networks provides carrier-class Operations Support Systems (OSS) that enable network operators to deploy and manage large public hot spot networks. The company’s software handles provisioning, configuration, authentication, access control, security, pre-paid and post-paid billing, and roaming settlement for large public WLAN networks, in addition to remotely managing and updating multi-vendor hardware and Wi-Fi switches. Pronto Networks is funded by BV Capital, Draper Fisher Jurvetson and the Intel Communications Fund. In 2003, Pronto Networks received several awards including Wired Magazine’s Top 25 Wi-Fi Companies to Watch, the AlwaysOn list of Top 100 Private Companies, and Computerworld’s Innovative Technology Awards. For more information about Pronto Networks, please visit www.prontonetworks.com.

Cautions about Forward Looking Statements
This press release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These include, but are not limited to, statements regarding the Company’s plans, intentions and expectations. Such statements are inherently subject to a variety of risks and uncertainties that could cause actual results to differ materially from those projected. Given these concerns, investors and analysts should not place undue reliance on forward-looking statements.

For more information, please contact:
Syniverse

Helen Harris
Office: (813) 273-3939
Mobile: (813) 431-5298
Helen.harris@syniverse.com

Pronto Networks
Kristie Heins Ruder-Finn, Inc.
(312) 329-3985
heinsk@ruderfinn.com