FBR Technology & Growth Conference June 2, 2005

1. FBR Technology & Growth Conference June 2, 2005

2. Safe Harbor • This presentation contains “forward-looking” statements, including statements about business outlook and strategy, and statements about historical results that may suggest trends for our business. These statements are based on estimates and information available to us at the time of this presentation and are not guarantees of future performance. Actual results could differ materially from our current expectations as a result of many factors, including: unpredictable quarterly fluctuations in our business; the effects of competition or consumer and merchant use of our service; any adverse changes in our agreements with our listings providers; the impact of international expansion efforts on our business; and changes in our tax status. These and other risks and uncertainties associated with our business are described in the prospectus for our IPO • This presentation includes non-GAAP financial measures, that are different from financial measures calculated in accordance with GAAP and may be different from non-GAAP calculations made by other companies. A quantitative reconciliation of non-GAAP information to the most directly comparable GAAP financial measures is available on our website.

3. Syniverse at a Glance Syniverse simplifies wireless technology complexities by integrating disparate wireless carriers’ systems and networks in order to provide seamless global voice and data communications to wireless subscribers. • 18 Years of Operations • Over 300 Customers, 40 countries • 30 Services • $316.0 LTM Net Revenue1 • 44% EBITDA Margin2 • 14% Adjusted Net Income Margin3 1 Based on LTM Net Revenue as of 3/31/05 and excludes off-network database fees of $19.2 million. 2 Based on LTM Net Revenues as of 3/31/05 and includes one-time adjustments 3 Based on LTM ending 3/31/05 and includes add-backs

4. “A Value-Added Toll Booth on the Wireless Highway” Transaction-Based Revenue Model Wireless Subscriber Events Turn on phone Caller ID data displayed Roam on another carrier’s network Send SMS message to subscriber on other carrier Maintain phone number when switching carriers Wi-Fi subscriber roams onto another network

5. Investment Highlights • Leading provider of mission-critical, transaction-based technology services • Extensive and collaborative customer relationships • Well positioned for growth in existing and new markets • Proven management team • Superior operating model delivering strong financial results

6. A Complex Industry… A Complex Set of Relationships… A Simple Solution Network Services 1. Allow Verizon subscriber to roam on ALLTEL’s network Technology Interoperability 2. Allow Verizon and ALLTEL to exchange billing records for subscriber roaming Technology Interoperability 3. Allow subscribers to exchange SMS messages between carrier networks Number Portability 4. Allow subscribers to keep their cell phone number when switching carriers

7. Industry Complexity Fuels Demand for Our Services Diverse Signaling Standards (CDMA, TDMA, GSM, iDEN, Wi-Fi) Disparate Network Architecture (Lucent, Nortel, Ericsson, Motorola) Multiple Network Protocols (X.25, Frame Relay, SS7, Internet Protocol) Distinct Billing Record Formats (CIBER, TAP, RADIUS)

8. Compelling Industry Growth Dynamics Global Roaming Call Volume (bn) Global Wireless Subscribers (bn) 13% CAGR 16% CAGR Global SMS Text Messages (bn) Global Wi-Fi Hotspots (000) 48% CAGR 15% CAGR Source: IDC and Strategy Analytics

9. Network Managing numerous networks and databases adds complexity SS7 network and database access NumberPortability FCC mandate drives increased operational complexity Centralized carrier data exchange Other Different protocols inhibit voice and data roaming Translation and routing services Broad Suite of Services Syniverse Solution Carrier Issue Service Line TechnologyInteroperability Exchange billing data among hundreds of roaming partners Clearinghouse services

10. Technology Interoperability Services 30% • Largest wireless clearinghouse in North America • Translate different protocols to support voice, data and Wi-Fi roaming • Route SMS messages between domestic and international carriers Services • Verizon Wireless, T-Mobile, Sprint, ALLTEL, Dobson • SFR, SK Telecom, KDDI, China Unicom, Vivo, RadioMovil MajorCustomers • Transaction-based (roaming calls cleared, SMS messages sent) • 1Q05 revenue $23.2mm Revenue • Wireless subscriber and roaming volume • Wi-Fi expansion and subscriber growth • Mobile data services and SMS volume growth Growth

11. 42% Network Services • Operate leading independent SS7 network • Provide translation and routing services that enable wireless calls • Provide access to databases (Caller ID, LNP, 800 Service) Services • Cingular, Verizon Wireless, T-Mobile, ALLTEL, Dobson • BT Ignite, France Telecom, Belgacom, China Mobile, RadioMovil MajorCustomers • Transaction-based (calls made) and fixed-fee (circuits, ports) • 1Q05 revenue $32.2mm Revenue • Wireless subscriber and roaming volume growth • Mobile data services and SMS volume growth • VOIP adoption and new database services Growth

12. 15% Number Portability Services • Process over 90% of the industry’s number porting transactions • Provide data exchange between carriers • Mitigate operational impact (billing, customer care, switching, etc.) Services • Verizon Wireless, Cingular, Nextel, T-Mobile, Sprint, ALLTEL MajorCustomers • Transaction-based (customers retaining number when changing carriers) • 1Q05 revenue $11.7mm Revenue • Wireless porting growth • Wireless subscriber growth • Industry churn rates Growth

13. Call Processing Enterprise Solutions Other Services Enterprise 4% Call Processing8% • International signaling solutions • Fraud detection • Corporate invoice consolidation, reporting and analytical tools Services MajorCustomers • SK Telecom, China Unicom, KDDI, ALLTEL, Verizon Wireless • Verizon Wireless, ALLTEL, U.S. Cellular • Subscriber-based (subscribers) • 1Q05 revenue $3.1mm Revenue • Transaction-based (roaming calls) • 1Q05 revenue $6.4mm • International subscriber growth • Roaming call volume growth • Fraud • National account program growth Growth

14. Defensible Leadership Position Competitive Landscape Substantial Barriers to Entry • High business switching / disruption risk for customers • Strong customer relationships with long-term contracts • Long history of trust with confidential subscriber and financial data • Highly integrated and broad service offering difficult to replicate • Sizeable fixed operating cost base required • Flexible pricing options due to bundled service offering

15. Decreasing Revenue Concentration 1 Percentages based on Net Revenues

16. Opportunity to capture Cingular GSM signaling • Opportunity to capture combined clearing • Opportunity to capture AT&T WLNP • We provide both carriers with WLNP services • Opportunity to capture Nextel clearing and network business • Migration to CDMA may result in additional opportunities Cingular / AT&T Wireless Sprint / Nextel • Alltel is major customer utilizing most of our services • Opportunity to capture Western WLNP and network Alltel / Western Wireless Consolidation Provides Incremental Opportunities

17. Growth Organically and Through Acquisition Strategy Opportunity/ History • Further penetrate existing base of over 300 customers in 40 countries • Identify and win new international customers • Expand services and enter new sectors • International • Wi-Fi • Messaging & Mobile Data • MVNO • VoIP Organic Growth • Extend range and scope of services offered • Expand and leverage customer base • Increase profitability and improve strategic positioning • Enter new markets • Increase scale of business • EDS IOS N.A. • Softwright • Brience Acquisition Criterion

18. Experienced Management Team Our team has an average of 19 years relevant industry experience

19. Superior Operating Model Scalable Economics 80% Transaction Based Recurring Revenues High Visibility 98% Recurring Revenues Low Capital Intensity 4.8% Capex / Revenue1 Scalability and Leverage: Distinct Investment Value High Margins 61.4% Gross Margin1 43.2% EBITDA Margin1 Low Sales & Marketing 20.7% SG&A / Revenue1 Suite of Services Proven ability to extend platform to new services 1Based on Net Revenue for 1Q05, and excludes Headquarters move related capital.

20. Net Revenue Growth in Recurring Business Lines ($ in millions) 16.7% Recurring Business Line Revenue CAGR (’01-’04) $309 $292 $23 $267 Non-Recurring Business Lines $242 $112 $65 $31 Recurring Business Lines $76 $180 $202 $211 $286 $3 $73

21. Diversified Product Offering Drives Solid Growth ($ in millions) Net Revenue 1Q04 1Q05 10.6% Growth $69.3 million $76.6 million

22. Accelerating Profitability Momentum ($ in millions) Quarterly year over year growth comparison 17.7% CAGR 90.8% CAGR 168.3% CAGR Cash Net Income Adj. EBITDA Adj. Net Income

23. Cash Net Income Adjustments Long-term Benefits – driven by prior acquisitions • GAAP Acquisition-Related Amortization • Approximately $24 million annual acquisition related tangible and intangible asset amortization • Tax Deductible Amortization of Goodwill • Approximately $24 million in additional annual deductions • Not amortized for GAAP purposes, only affects cash flow • Duration of approximately 14 years Near-term Benefits – NOLs as of 12/31/04 totaling approximately $80 million

24. Strong Capital Structure As of As of 12/31/043/31/05 Senior Subordinated Notes, net of discount $241.8 $157.3 Credit Facility, net of discount 215.6 239.4 Total Debt $457.4 $396.7 Class A Cumulative Redeemable Preferred Stock 335.6 - Common Stock 37.1 457.3 Accumulated Deficit & other comprehensible income (143.9)(161.0) Total Owners Equity $(106.9) $296.4 ($ in millions)

25. Investment Highlights • Leading provider of mission-critical, transaction-based technology services • Extensive and collaborative customer relationships • Well positioned for growth in existing and new markets • Proven management team • Superior operating model delivering strong financial results