360networks sells more than 25 percent capacity on transatlantic network

April 4, 2001

Apr. 4, 2001--360networks announced significant sales of network services on its undersea networks including 360atlantic, the company's high-bandwidth cable linking the United States, Canada, Ireland and the United Kingdom.

360networks announced significant sales of network services on its undersea networks including 360atlantic, the company's high-bandwidth cable linking the United States, Canada, Ireland and the United Kingdom.

In the first quarter of 2001, 360networks completed sales totaling more than $475 million to major carriers and network service providers for services on 360atlantic, 360americas, 360asia, 360pacific as well as on its North American network.

According to the company, 360atlantic is the first multi-terabit transatlantic system with a fully protected ring configuration to be ready for service. In addition, 360atlantic is a transatlantic cable that provides a direct connection between North America and Ireland. It supports 10 gigabits per second of data on a single channel and offers total system capacity of 1.92 terabits per second.

360asia is a 1.92 terabit-per-second undersea network under joint development with SingTel subsidiary C2C that will link Japan, Taiwan, the Philippines, South Korea, China, Hong Kong and Singapore by the end of the year. 360americas is a 1.28 terabit-per-second undersea cable that currently links the United States, Brazil, Venezuela and Bermuda, and will further connect Argentina in the third quarter of this year. 360pacific will be a six-fiber pair undersea transpacific system linking Canada, the United States and Japan, and offering up to 4.8 terabits per second of capacity.

During the quarter, 360networks also acquired portable broadband services on Pacific and Asian undersea networks, as well as dark fiber and lit capacity on European long-haul networks and metropolitan networks in Europe and North America for a total of $225 million to be paid in 2001 and 2002. These services enable 360networks to expedite market penetration in important overseas markets.

About 360networks:

360networks (NASDAQ: TSIX and TSE: TSX) offers network services to telecommunications and data-centric organizations. For more information, visit www.360.net.