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NTT Communications Corporation

January 4, 2007

Announcement Regarding Service Disruptions Caused by Taiwan Earthquake

NTT Communications (NTT Com) has confirmed that some customers have been unable to use data transmission (International Private Leased Circuit, IP-VPN, Frame-Relay, ATM), Internet connection, and optional international telephone services as of 9:30 p.m. (Japan standard time), December 26, 2006. This service disruption was caused by damage to undersea cables from an earthquake off Taiwan's southwestern coast on December 26.

NTT Com has mostly restored these services through measures such as temporary rerouting and working with other carriers. Full restoration of services is expected by mid-January 2007, and the undersea cables should be repaired by the end of February 2007.

Status of services as of 3 p.m., January 4, 2007:
Data transmission services for corporate users
-International Private Leased Circuit: 141 lines have been restored (146 lines originally affected)
-Frame-Relay: All lines were restored by December 28, 2006 (18 lines originally affected)
-IP-VPN: All lines were restored by December 27, 2006 (71 lines originally affected)
-ATM: All lines were restored by December 30, 2006 (14 lines originally affected)

Internet connection service
-Global IP network service: IP backbones in Asia have mostly been restored, yet delays may occur due to congestion

International telephone services
-Optional international telephone services (toll-free service and prepaid telephone card service) cannot be used in Vietnam, Malaysia, and some parts of Singapore for calls to Japan (nine countries/areas including Indonesia, Thailand, Sri Lanka, Australia, Hong Kong and Taiwan were originally affected).
-Regular international telephone services have been unaffected by rerouting, but congestion may make it difficult to get through.

We apologize for any inconvenience this may have caused.

Attachment: Map of the Affected Areas


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