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2. 2 Company Snapshot Offices World Headquarters in Dallas, Texas European Headquarters in London, England Technical Center of Excellence in Falls Church, Virginia Rapidly Growing Customer Base 40+ Countries on six continents United States, Europe, Asia, Australia, Mexico, South America and South Africa Pioneered Several Industry “Firsts” Customer-controlled networking VPLS global Ethernet WANS 3 Global Network Operations Centers Dallas, Texas; Falls Church, VA; London, UK MASERGY is the leading provider of QoS-based, customer- controlled network services specializing in real-time application performance across converged enterprise networks.

3. 3 BroadcastingBroadcasting ManufacturingManufacturing Financial Services World Class Customers Health Care RetailersRetailers ServicesServices LegalLegal

4. 4 Delivering Value MPLS (Multi Protocol Label Switching) Differentiated classes of service Guaranteed application performance (QoS) Multiple applications over a single connection/network Greater flexibility and control of your WAN Significant cost reductions MASERGY is unique in that it extends QoS across the local access loops! MASERGY is the only provider in the market offering customer-controlled IP/MPLS WAN services

5. 5 Customer-controlled IP-based MPLS network separates all traffic according to customer requirements, and enforces those priorities end-to-end. Solution: MASERGY IP/MPLS Network

6. 6 SLA Highlights Service Availability 99.999% 99.999% USA (cont.) 99.999% Europe 99.9% Asia Pac 99.75% Rest of World Latency Latency Metrics Guaranteed per Route, HUB to HUB Packet Delivery Normal Plane = 99.9% Priority Plane = 99.9% Critical Plane = 99.99% Voice Plane = 100%, in sequence Video Plane = 100%, in sequence Jitter (Voice & Video): < 5ms Fast-Failover (Voice & Video): < 1 Sec Proactive Customer Notification: < 5 Minutes

7. 7 Transport Product Overview Public IPPrivate Link Private IPVPLS - Internet Access - Ease of IP routing - End-to-end QoS - All Service Planes - Fully Meshed - FR DLCI interface - Layer- 2 Security - End-to-end QoS - All Service Planes - RFC 2547bis based - Ease of IP routing - Layer 2 Security - All Service Planes - Fully Meshed - Private - Layer 2 point to Multipoint - Extended LAN Service - Ethernet WAN - Protocol Independent Virtual Private LAN Switching product provides a true layer two, switched virtual private networking service based on the Internet Engineering Task Force (IETF) lasserre-vkompella-ppvpn-vpls-03 draft ([VPLS]) Intelligent Transport

8. 8 Intelligent Transport Virtual Connections Options

9. 9 Public and Private Networks

10. 10 Firewall Video HQ Ethernet Switch Router Video Ethernet Switch Branch Video Region Ethernet Switch T3 T1 Video Ethernet Switch Branch MIB … MPLS Intelligent Transport Routerless Office ALL Routing can be outsourced Masergy Intelligent Bridge – –Transparent to Customer – –Converts Ethernet/Serial and vv Default Gateway – –Masergy router in the cloud, or – –Customer Ethernet switch

11. 11 Product Overview Control Products Service Control Center Network Analyst Application Products inCONTROL Voice inCONTROL Video

12. 12 inCONTROL Voice Toll Grade Voice IP Transport Service Level Guarantees   100% Packet Delivery   100% Packet-in-Sequence   <5ms Jitter   <1sec Fast Failover Voice VPN Services   SIP-Compatible   Call Completion   On-net to On-net   On-net to PSTN   Customer Defined Numbering Plans   Call Blocking   Call Compression   G.729 – 30k   G.711 – 80k SCC Management of Voice   Create and Modify Dial Plans   Manage Bandwidth   View Call Detail Reporting   View Traffic Statistical Data

13. 13 inCONTROL Video Service Level Guarantees 100% Packet Delivery 100% Packet-in- Sequence < 5ms Jitter <1sec Fast Failover SCC Management of Video Move, Adds, and Changes Modify Bandwidth View Traffic Statistical Data inCONTROL Video is a premium grade of IP bandwidth specifically engineered to guarantee the delivery of real- time video with true TV quality at all times, under all network conditions.

14. 14 Unique Systems Capabilities: Service Control Center 360 degree account view for MASERGY customers Comprehensive integrated web portal Detailed data usage graphing and reporting Unprecedented list of real-time customer-control features: –Change bandwidth tiers and CSIR –Provision phone numbers and voice features –Provision entire services such as point-to-point links –And many more Customers can make changes themselves instead of calling, ordering, and waiting…. Service Control Center Demo

15. 15Masergy Confidential - 2004 Service-Embedded Network Management Capabilities Granular Traffic Management Statistics (Top Talkers) By application By port By IP Address By protocol By QoS plane Management Reporting Minutes to Months Top talkers Performance against SLAs By Applications By PortPort By IP Address

16. 16Masergy Confidential - 2004 Embedded Network Management Advantages: It’s already there … just Turn It ON! Bandwidth tax … Zero Labor tax … Zero Automatically, fully integrated No appliances, software & equipment to buy, test, deploy or maintain Disadvantages: not available from your current provider Router tax … Zero Latency tax … Zero Always available