- NTT Communications operates a global tier 1 IP network with fully redundant infrastructure and industry-leading service level agreements (SLAs) - The network has a global single autonomous system number (ASN 2914), is fully IPv6/IPv4 dual-stack enabled, and exchanges over 1 terabit of traffic daily through private peering arrangements - NTT America operates the network in North America, with points of presence in 11 major cities and network nodes in 19 locations, to provide IP transit, Ethernet, and managed services to enterprise customers

1. Global IP Network Overview NTT Communications | NTT America

2. About NTT: Industry Leadership Stability : Standard & Poor’s long-term credit rating as of July 2010 Revenue: U.S. Securities and Exchange Commission database (EDGAR) as of July 2010 World’s IT and Telecom Service Companies by Credit Rating and Revenue high low A- AA A BBB BB Others A A+ AA- AA AA+ BBB+ BBB BBB- BB+ BB BB- 25 100 50 Revenue (US$ Billion) Stability 0

4. World’s Top 20 Telecom Companies by Revenue (US$ Billion) Source: Fortune July 2010

7. The NTT Communications Global IP Network NTT Communications | NTT America

11. Service Level Agreements Our goal is to make the Global IP Network available to customers, free of network outages, 100% of the time The average monthly latency (speed) of the North American Global IP Network will not exceed 50 milliseconds, round-trip. Trans-Atlantic average monthly latency will not exceed 90 milliseconds, round-trip. Trans-Pacific average monthly latency will not exceed 130 milliseconds, round-trip The average monthly packet loss (reliability) of the Global IP Network will not exceed 0.1% The Average Jitter on the North American Global IP Network will be .25 milliseconds The Maximum Jitter on the Backbone will not exceed 10 milliseconds more than 0.1% of a calendar month Availability Latency Packet Loss Jitter

16. Domestic IP POPs Map NTTA 2001 6 th Ave Seattle, WA Equinix 350 East Cermak Chicago, IL Coresite 1 Wilshire Blvd Los Angeles, CA Equinix PAIX 529 Bryant Palo Alto, CA Equinix 11 Great Oaks San Jose, CA NTTA 1950 Stemmons Frwy Dallas, TX NTTA 1001 Texas Ave Houston, TX NTTA 111 8 th Ave New York, NY Equinix 21701 Filigree Ct Ashburn, VA Telx 56 Marietta St Atlanta, GA NAP 50 NE 9 th St Miami, FL

17. Domestic IP POPs List – 11 sites Location Code Colo Provider Address Demarc City ST ZIP sttlwa01 NTTA 2001 Sixth Ave Suite 900 - 9th Flr or 19th Flr MMR Seattle WA 98121 plalca01 Equinix PAIX 529 Bryant 1st Flr - Cage 20 Palo Alto CA 94301 snjsca04 Equinix 11 Great Oaks Blvd Equinix - 1st Flr - Cage 1350 San Jose CA 95119 lsanca03 Coresite 1 Wilshire 19th Flr Cage 1986 or 4th Flr MMR Los Angeles CA 90017 chcgil09 Equinix 350 E. Cermak 6th Floor cage 128 Chicago IL 60616 dllstx09 NTTA 1950 Stemmons Frwy Suite 1031 - 1st Flr Dallas TX 75207 hstntx01 NTTA 1001 Texas Ave Suite 320 - Binz Bldg - 3rd Flr Houston TX 77002 nycmny01 NTTA 111 Eighth Ave Suite 729 - 7th Flr New York NY 10011 asbnva02 Equinix 21701 Filigree Ct Cage 51325 Ashburn VA 20147 atlnga05 Telx 56 Marietta Street 3rd Flr (fiber to the 2nd Flr MMR) Atlanta GA 30303 miamfl02 NAP NAP - 50 NE 9th St 2nd Flr MMR Miami FL 33131

18. Domestic IP Nodes List – 19 sites Location Code Colo Provider Address Dmarc City ST ZIP sttlwa04 Equinix 2001 6th Ave Suite 1300 Seattle WA 98121 sntcca01 N/A 1525 Comstock St 1st Flr Santa Clara CA 95054 mlpsca01 NTTA 2334 Lundy Pl San Jose CA 95131 lsanca17 Equinix 818 W. 7th St 6th Floor Los Angeles CA 90017 lsanca19 Equinix 600 W 7th St 6th Floor Los Angeles CA 90017 chcgil10 N/A 427 S. LaSalle CRG MMR Chicago IL 60605 dllstx04 Equinix 1950 Stemmons Frwy Suite 1034 Dallas TX 75207 dllstx06 Navasite 1950 Stemmons Frwy Suite 1032 Dallas TX 75207 dllstx10 Equinix 1950 Stemmons Frwy Suite 1039A Dallas TX 75207 dllstx07 ViaWest 1950 Stemmons Frwy Suite 2033 Dallas TX 75207 dllstx11 Equinix 2323 Bryan St Suite 1400 Dallas TX 75201 nycmny12 Equinix 111 8th Ave Suite 536 New York NY 10011 nycmny83 NTTA 111 8th Ave Suite 733 New York NY 10011 nycmny14 Telx 111 8th Ave Suite 1515 New York NY 10011 nycmny03 Telehouse 25 Broadway 5th floor New York NY 10004 nycmny13 Telx 60 Hudson 9th & 23rd Floor New York NY 10013 stngva01 NTTA 22451 Shaw Rd Dulles VA 20166 asbnva03 DRT / NTTA 43881 Devin Shafron Dr NTTA Data Center Ashburn VA 20147 atlnga04 Equinix 56 Marietta Street 5th Flr Atlanta GA 30303

19. Service Level Agreements http://www.us.ntt.net/support/sla/ SLA North America Trans-Atlantic Trans-Pacific Availability 100% 100% 100% Packet Loss < 0.1% < 0.1% < 0.1% Latency <50 ms <90 ms <130 ms Jitter <= 250  s <= 250  s <= 250  s Maximum Jitter <10 ms for <0.1% of month <10 ms for <0.1% of month <10 ms for <0.1% of month