tw telecom is a leading provider of data and IP services to enterprises across the US. It operates one of the top 3 metro Ethernet networks and has a national IP backbone. The company focuses on exceptional customer service and offers a portfolio of connectivity, transport, security, and managed solutions. tw telecom has strategically expanded its network and services over 15 years to now serve medium and large enterprise customers.

1. tw telecom Executive Overview September 2009

3. A Unique Set of Network Assets One of the Top 3 Metro Ethernet Providers for U.S. Businesses National footprint interconnected with fiber and 10 Gig IP backbone

5. Strategic Direction & Corporate History

6. Our Customer Focus National Multi-City Multi-Location Regional Multi-City Multi-Location City Wide Multi-Location Single Site Reach Applications Customers Complex Managed Solutions Storage, Distributed Data Centers, DR/BC, Imaging, Enterprise Apps (CRM, ERP), VPN Enhanced Connectivity Medical Image, VoIP VPN Simple Package tw telecom’s “ Sweet Spot” Bringing unique value to the enterprise Connectivity Managed Solutions Fortune 1000 Large > 500 Seats Medium < 500 Seats SME < 100 Seats

8. tw telecom – A Corporate History 1993 1996 1998 2000 2001 2003 2006 Time Warner Communications Formed as a JV between U S WEST and Time Warner Cable to deliver residential cable telephony (April 1993) Time Warner Communications renamed Time Warner Telecom Larissa Herda named President and CEO (July 1998) Time Warner Telecom completes purchase of GST Communications, expands into 15 new markets (January 2001) Time Warner Telecom announces expansion into 5 new markets - Minneapolis, Chicago, Atlanta, Columbia, Denver (May 2000) Time Warner Telecom completes over 30 network expansions, increasing market footprint to 44 Markets (2003 through 2006) Time Warner Telecom separates from Time Warner Cable (July 1998) Time Warner Telecom acquires Xspedius Communications, expands into 31 new markets (October 2006) 2008 Time Warner Telecom becomes tw telecom (July 1, 2008)

12. Product Portfolio

13. Products and Services Strategy Voice & Data Integrated Access VoIP Business Class Storage Transport Security & IP VPN Services Managed Services - 24x7x365 Monitoring & Maintenance DDos Mitigation Anti-Virus Anti-Spam Unified Messaging Transport & Wavelengths DS-1, DS-3, OC-3, OC-12, OC-48, OC-192 Switched Services Digital Trunks, Primary Rate Interface, LD, 8XX Tandem IP Services Internet Access to 1 Gig ERP CRM Storage Supply Chain NLAN Metro Ethernet Foundational Network Services Managed Bundled Services Managed Applications Partner Opportunities Available Today Planned or In Progress Extended NLAN (WAN Service) Co-location Infrastructure and Services

14. Metro Network Architecture Carrier Hotel/POP End User Bldg MSPP SONET ADM Voice DS-n OC-n Ethernet Internet tw telecom C.O. MSPP SONET ADM MSPP SONET ADM Type II Voice Internet DS-n Class 5 DCS 3/1 VoIP Media Gateway Next Gen Integrated Access MSPP SONET ADM Ethernet Switch Edge IP Routers Core IP Routers DWDM DS-n OC-n 24 x 7 Monitoring/Maintenance, NEBs-3, UPS, Diesel Generator, etc. End User Bldg Voice DS-n OC-n Ethernet Internet MSPP SONET ADM Core Fiber Backbone < 256 Strands Distribution Rings < 24 Strands DWDM System 32 – 64 Waves Up to 10G LEC Office PSTN TWTC SS7 Network IP Backbone Up to OC-192

15. MPLS Service Class – Definition

31. Convergence > 100% Bandwidth Increase 20 – 30% Savings on Monthly Spend

32. Summary

34. Thank You