MCI’s Global Presence

TAT-14 NORWAY SWEDEN Stockholm Oslo ATLANTIC UNITED CROSSING I KINGDOM Glasgow Edinburgh DENMARK NORTH AMERICA Copenhagen Dublin Manchester NETHERLANDS London Amsterdam CANADA Reading TYCO PACIFIC Calgary BEL Dortmund EUROPE Brussels TRANSPACIFIC CROSSING 1 Frankfurt Vancouver Paris LUX GERMANY Seattle Vienna FRANCE AUSTRIA TYCO Portland Montreal UNITED STATES OF AMERICA Milan TRANSPACIFIC Minneapolis Toulouse Toronto Portland Nice Grand Rapids Detroit Buffalo Boston ITALY PACIFIC Ann Arbor Cleveland Springfield Chicago Toledo Elmsford CROSSING 1 Salt Lake City Pittsburgh New York Denver Newark Madrid Hilliard Philadelphia TAT-12/13 Reno Kansas City Indianapolis Ashburn GEMINI SPAIN ASIA San Fransisco Baltimore Topeka Cincinnati JAPAN St. Louis Washington, DC San Jose Springfield Evansville APOLLO Albuquerque Tulsa Fresno Chattanooga Cary Raleigh MED Tokyo Las Vegas Oklahoma City Memphis Charlotte EAST ASIA COLUMBUS III NAUTILUS Osaka Los Angeles Atlanta CHINA CROSSING Phoenix Birmingham Augusta San Diego Jackson Tucson Dallas Montgomery Shreveport Austin Baton Rouge Mobile Jacksonville Houston New Orleans San Antonio

Tampa CHINA-US Fort Lauderdale Miami FLAG/REACH FOG TAIWAN NORTH ASIA LOOP SOUTHERN COLUMBUS II TPC-5 CROSS INDIA Hong Kong JAPAN-US SAUDI CHINA-US ARABIA AMERICAS-1 C2C JAPAN-US TCS-1 AFRICA AMERICAS-2 i2i ARCOS SAC/MAC APCN-2 TPC-5 SEA-ME-WE-3 MAYA -1 FLAG AUSTRALIA- SAm-1 JAPAN KENYA Singapore

Nairobi SOUTHERN Americas-1 i2i ATLANTIS-2 CROSS Americas-2 Japan-US

APCN Maya-1 SOUTH AMERICA SAT-3/WASC/SAFE APCN-2 MED Nautilus PAN-AM Apollo Pacific Crossing 1 APCN ARCOS PAN-AM NAMIBIA Atlantic Crossing I SAC/MAC Windhoek Atlantis-2 SAm-1 AUSTRALIA Australia-Japan SAT-3/WASC/SAFE Johannesburg

SOUTH Durban C2C SEA-ME-WE-3 AFRICA

China-US Southern Cross Cape Town UNISUR Sydney Columbus II TAT-12/13 Columbus III TAT-14 Melbourne East Asia Crossing TCS-1 FLAG TPC-5 FLAG/Reach TYCO Transpacific North Asia Loop UNISUR FOG Data Centers Gemini Service Centers