XO Overview

A Smart Choice for Telecommunications Solutions

XO Communications provides leading Voice over Internet Protocol (VoIP), Data & Internet, Network Transport, Managed Services, Hosting Services and Fixed Wireless Access to businesses, enterprises, government, and carrier & wholesale customers nationwide.

• More than 4,000 employees
• $1.43 billion in Revenue (2007)
• Headquartered in Herndon, VA

Customers

Serves businesses, government, carrier and wholesale customers nationwide More than 90,000 customers, including, 50% of the Fortune 500

• Federal, state and local governments; regulatory agencies; and educational organizations
• 13 0f the world’s 25 largest telecommunications companies
• The five largest U.S. wireless companies
• The five largest U.S. cable companies
• 2 of the 5 most popular search engine companies.

Network Assets

Approximately 1 million miles of metro fiber An 18,000-route mile nationwide inter-city network Nearly 1,000 central office collocations More than 3,000 fiber-fed buildings on net Fully peered T1 IP network with more than 100 private and public peering relationships 28-31 Ghz spectrum in 75 markets

Ticker Symbol

OTC: XOHO