Teleglobe Activates European Fiber Network and Provides Broadband Services On Continent-to-Continent Basis.

Business Editors/Hi-Tech Writers

RESTON, Va.--(BUSINESS WIRE)--Feb. 10, 2000

Major milestone in deployment of $5 billion GlobeSystem(sm)

network

Williams Communications Acquires US$42 Million in Wavelength

Capacity and Network Services in Canada and Europe

Teleglobe (NYSE, TSE: TGO) has activated the European ring of its GlobeSystem(sm) network, linking 15 major European cities its global broadband network.

In addition to enabling Teleglobe to provide end-to-end broadband services between major business centers in Europe and North America, Teleglobe is also offering Internet Service Providers, content providers and carriers high-speed bandwidth connectivity services on a continent-to-continent basis.

Available immediately, Teleglobe is delivering in Europe unprecedented capacity sold at wavelength (2.5 and 10 Gigabits per second) and multiple STM-1 (155 Megabits per second) levels. Among the initial buyers is Williams Communications (NYSE: WCG), signing on for US$42 million of wavelength capacity and network services.

&uot;The activation of our broadband, fully-redundant European ring network marks a major milestone in the deployment of Teleglobe's GlobeSystem(sm) network expansion plan,&uot; said Charles Sirois, Chairman and CEO of Teleglobe Inc. &uot;We have just connected the two largest economies in the world with end-to-end broadband capacity to 15 of the most important European cities and 30 of the most important American cities.&uot;

&uot;This network, coupled with our investments in a fiber pair in FLAG Atlantic-1 and the US dark fiber network, allows us to provide pure optical offerings to our customers, continent to continent.&uot;said Paolo Guidi, chairman and chief executive officer, Teleglobe Communications Corporation. &uot;In addition, Teleglobe also is aggressively advancing its pursuit of the European data market.&uot;

Teleglobe's high-speed transmission services now are available on routes in the Asia Pacific, Canada, Europe, United States and across the Atlantic. With Teleglobe's broadband services, customers can obtain capacity without having to make expensive capital investments in fiber cable systems.

Teleglobe will provide its customers with flexible capacity purchase options, ranging from short- to long-term leases. Teleglobe's flexible arrangements will allow customers to obtain optimum capacity uniquely suited to their specific network requirements.

Teleglobe Assists Williams in Expanding European and Canadian Capabilities

Through the acquisition of long-term capacity on Teleglobe's Canadian and European network segments, Williams Communication is able to significantly expand its network's international reach.

Under the agreement, Williams Communications gains significant long-term capacity on Teleglobe's European network providing Williams with connectivity to London, Brussels, Amsterdam and major markets in France and Germany including Strasbourg and Paris and Dusseldorf and Frankfurt respectively.

Williams is also acquiring significant long-term capacity into Canada, interconnecting its United States network with Teleglobe's Canadian network in Vancouver, British Columbia. Additionally, Williams obtains ample colocation facilities and network services throughout the Teleglobe network.

The agreement also enables Williams to rapidly add international network capacity in the future as the Teleglobe GlobeSystem(sm) network expands in Europe, the Pacific and across the Atlantic.

GlobeSystem Europe

Teleglobe's 7,700 km GlobeSystem Europe network now interconnects 15 major European cities (Amsterdam, Antwerp, Brussels, Copenhagen, Dusseldorf, Frankfurt, London, Madrid, Milan, Mannheim, Nancy, Paris, Rotterdam, Strasbourg and Vienna.) By year-end 2000, Teleglobe's GlobeSystem Europe network will total 12,500 km of high capacity fiber, interconnecting more than 30 European metropolitan centers.

The two fiber rings on Teleglobe's GlobeSystem Europe network have been deployed with advanced dense wavelength-division multiplexing (DWDM) technology, delivering to the region a higher level of capacity per fiber pair than any existing European deployment.

The network offers 40 wavelengths, each capable of transmitting up to 10 GBit/s (OC-192) of capacity. The network also includes a record 200 km long unrepeatered submarine span between London and Amsterdam to carry the full 400 GBit/s or the equivalent of 40 wavelengths.

About Teleglobe

Teleglobe Inc. (NYSE, TSE: TGO) is a leading global provider of broadband services with the most extensive global Internet network. Delivering advanced broadband applications to customers in more than 100 countries - matching global reach with global depth - Teleglobe is the premier communications architecture for the digital economy.

Teleglobe is currently enhancing its leadership position through GlobeSystem(tm), a 5 year, US$5 billion strategic initiative providing 160 cities around the world with scalable broadband service platforms, and linking them through a seamless data network. GlobeSystem is the world's first globally integrated Internet, voice, data and video network. For more information, visit www.teleglobe.com.