NeuStar provides reliable and secure domain name system (DNS) and performance management services on a global scale. It manages over 20 million domains and has nearly 4,000 enterprise customers. NeuStar's UltraDNS and Webmetrics products control the entire DNS process and allow customers to monitor the performance of their websites, applications, and entire online ecosystems. NeuStar ensures online performance and protects customers' brands through reliable, scalable infrastructure and 24/7 monitoring.

1. 1 © 2009 NeuStar Inc. All rights reserved. The Certain Choice July 2009 © 2009 NeuStar Inc. All rights reserved. 1

2. © 2009 NeuStar Inc. All rights reserved. 2 Certainty. Reliability:available the first time, every time Performance:a consistent, high-quality experience for all your global users Security: advanced protection from cyber-attacks Count on NeuStar for the reliability, performance, and security of your online business operations © 2009 NeuStar Inc. All rights reserved. 2

3. © 2009 NeuStar Inc. All rights reserved. 3 Why NeuStar Publicly traded on the New York Stock Exchange Listed in Forbes Top 25 Fastest Growing Technology Companies in America FY08 estimated revenue of $500M, with 14% estimated YOY growth Solutions on a global scale, with 21 facilities in 17 countries and approximately 1,000 employees A pioneer and leader in the DNS arena—manages over 20M domains, with nearly 4,000 enterprise customers A visionary leader in performance management—the first to offer an Ecosystem Management solution for today’s complex online environments

4. © 2009 NeuStar Inc. All rights reserved. 4 NeuStar Internet Infrastructure Services UltraDNS controls the entire DNS process Managed External DNS Authoritative DNS DNS Advantage Recursive DNS

5. © 2009 NeuStar Inc. All rights reserved. 5 NeuStar Internet Infrastructure Services UltraDNS provides DNS-based traffic management services to optimize network performance SiteBacker Monitoring and failover Traffic Controller Global server load balancing Directional DNS Geo-locational traffic routing

6. © 2009 NeuStar Inc. All rights reserved. 6 NeuStar Internet Infrastructure Services Webmetrics allows you to manage the performance of a simple website, a complex application, or an entire ecosystem GlobalWatch External performance monitoring Ecosystem Management Monitoring collaboration platform SiteStress Managed load testing

7. © 2009 NeuStar Inc. All rights reserved. 7 Benefits of a managed services approach We provide the infrastructure, you control the service! Positive ROI from enhanced revenue and reduced costs No new hardware or software to deploy or maintain Monitored 24/7 —by our staff, not yours Immediate global reach and massive scalability

8. © 2009 NeuStar Inc. All rights reserved. 8 The inferiority of a traditional DNS solution Unreliable Inconsistent Vulnerable Not scalable Difficult to manage

9. © 2009 NeuStar Inc. All rights reserved. 9 The superiority of our managed DNS solution More Reliable. Less drops, more visitors More Performance. Reduced latency, faster response More Secure. Advanced security, 24/7 monitoring More Scalable. Massive, global redundancy More Control. Near real-time management control

10. © 2009 NeuStar Inc. All rights reserved. 10 The superiority of our managed DNS solution Managed DNS Infrastructure Worldwide

11. © 2009 NeuStar Inc. All rights reserved. 11 Advanced security features DNS Shield Strategic relationships with Tier-1 ISPs Mitigates the threat of DNS-based DDoS attacks Minimizes latency

12. © 2009 NeuStar Inc. All rights reserved. 12 Advanced security features Cache Defender Strategic relationships with Tier-1 ISPs Prevents DNS cache poisoning Protects against pharming attacks

13. © 2009 NeuStar Inc. All rights reserved. 13 SiteBacker: Automatic IP monitoring and failover solution Redirects traffic based on server health checks Automated email warnings and alerts Essential part of your business contingency planning and disaster recovery

14. © 2009 NeuStar Inc. All rights reserved. 14 Traffic Controller: Percentage-based load balancing solution Distributes traffic based on customizable weighted load-balancing parameters Includes SiteBacker monitoring and failover capability Highly cost effective alternative to expensive in-house solutions

15. © 2009 NeuStar Inc. All rights reserved. 15 Directional DNS:Geo-IP load balancing DNS Query response based on geo-location Traffic directed based on query source location Direct visitors to specific servers anywhere on the globe based on their geographic location

16. © 2009 NeuStar Inc. All rights reserved. 16 The benefits of Webmetrics Ensure online performance. Track external performance from an end user perspective Protect your brand and revenues. Resolve issues before customer impact Increase collaboration. Share performance information among key stakeholders Improve efficiency. Speed time-to-fix and reduce the load on customer service

17. © 2009 NeuStar Inc. All rights reserved. 17 GlobalWatch:External monitoring for exceptional performance External Monitoring: Access from outside your network for true end-user view of performance Broad Monitoring Platform: Monitor performance of a simple website, complex application, or ecosystem Browser Fidelity: More accurate monitoring with Internet Explorer® 7 Actionable Data: Reports, analysis, and real-time dashboard accessible anytime/anywhere

18. © 2009 NeuStar Inc. All rights reserved. 18 The GlobalWatch monitoring network Agents in over 100 cities worldwide

19. © 2009 NeuStar Inc. All rights reserved. 19 Ecosystem Management:Simplified management of your web ecosystem Collaboration tools formonitoring third party content and mashups View the complete performance picture of all the components in your delivery chain Customize and securely share performance data among internal and external stakeholders

20. © 2009 NeuStar Inc. All rights reserved. 20 SiteStress:Load testing to prevent downtime and crashes Fully Managed Load Testing Dedicated engineer manages process and provides expert recommendations Learn the maximum load your site and applications can handle Identify failure points before they are caused by market events

21. © 2009 NeuStar Inc. All rights reserved. 21 NeuStar is the certain choice. © 2009 NeuStar Inc. All rights reserved. 21