Teleglobe Nearly Doubles Size of Its High-speed Fiber Optic Pan-European Ring Network.

WASHINGTON, D.C.--(BUSINESS WIRE)--Aug. 2, 1999--

Additional 1,300 Km Fiber Deployment Expands Coverage into France

and Germany

Five Countries Now Connected By Multi-Fiber Ring Network

12,500 km European Network on Schedule for Year 2000

Teleglobe Communications Corporation announced that it is nearly doubling the size of its high-speed GlobeSystem(sm) Pan-European network by adding a 1,300 km fiber optic ring, interconnecting the cities of Nancy, Strasbourg, Mannheim, Frankfurt and Dusseldorf with advanced dense wavelength-division multiplexing (DWDM) technology. Teleglobe previously announced a 1,700 km fiber optic ring that will interconnect the cities of London, Amsterdam, Rotterdam, Brussels, Antwerp and Paris. The new high-speed fiber network will be integrated into Teleglobe's existing global network, connecting customers to more than 240 countries and territories around the world, including European network access sites in Copenhagen, Madrid, Milan and Vienna. With the addition of these two ring networks, Teleglobe's GlobeSystem Pan-European fiber network expands to 7,700 km, interlinking 16 cities by the fourth quarter of 1999.

By year-end 2000, Teleglobe's GlobeSystem Pan-European network is projected to total 12,500 km of high capacity fiber, interconnecting more than 30 European metropolitan centers. Teleglobe's plans to add further connectivity into Austria, Denmark, Germany, Italy, Spain and Switzerland are in the final stages of definition.

"More than 100 Carrier Customers and an increasing number of Internet Service Providers and Content Providers in the region currently rely on Teleglobe for global connectivity and service creation. Teleglobe's Pan-European network will meet the ever-increasing demand for capacity to support the growth of voice, Internet and data services in Europe," said Paolo Guidi, chairman and chief executive officer, Teleglobe Communications Corporation.

The additions to Teleglobe's GlobeSystem Pan-European network are the world's first 400 Gigabit (GBit/s) optical network systems designed to operate over both terrestrial and submarine fiber optic cables. Operating as fully-protected fiber rings over the 3,000 km distance, 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.

Teleglobe already is serving many large customers in Western Europe including:

-- The British Broadcasting Corporation; -- COLT Telecom Group plc (Nasdaq: COLT), a leading provider of

telecom services to corporate and carrier customers in Europe; -- The European Broadcasting Union, the largest professional

association of national broadcasters in the world; -- Lyonnaise Cable, a subsidiary of Suez-Lyonnaise des Eaux and the

main French cable Internet provider; -- NORDUnet, the academic backbone network of the Nordic region; -- Omnicom, one of the key new players in France's business

telecommunications market; -- RSL Communications Ltd. (Nasdaq: RSLC), a leading global

facilities-based telecom company; -- SuperJANET, one of the academic networks of the United Kingdom

Education and Research Networking Association (UKERNA); -- SURFnet, the Netherlands' academic backbone network; -- Telecom Developpement, France's second-largest domestic carrier; -- Telecom Italia (NYSE: TI), one of the largest telecommunications

companies in the world; -- Telefonica, Spain's largest carrier; and -- Telenor, Norway's leading telecommunications administration.

Teleglobe now holds voice telephony and network infrastructure licenses in all of Europe's primary markets for international telecommunications traffic, including Denmark, Finland, France, Germany, Ireland, Italy, Netherlands, Norway, Sweden and the United Kingdom. Teleglobe is also fully authorized in these markets to use its global network for all non-voice services. In addition, Teleglobe operates local Internet access nodes in Copenhagen, Frankfurt, London, Madrid, Manchester, Milan, Paris and Vienna, enabling customers to link directly to Teleglobe's GlobeSystem Internet(sm) backbone

network. Local Internet access nodes will be added in Amsterdam, Barcelona, Brussels, Oslo, and Stockholm by year's end.

Teleglobe recently announced that it would invest US$5 billion over the next five years to build GlobeSystem, the world's first globally integrated Internet, voice, data and video network. GlobeSystem will increase Teleglobe's currently installed network capacity by an estimated 200-fold, and provides customers with direct network access from 160 major cities worldwide.

Teleglobe Inc. (NYSE, TSE, ME: TGO) is a recognized leader in global telecommunications. Through its subsidiary Teleglobe Communications Corporation, the company develops and supplies global connectivity services to carriers, switchless resellers, Internet service providers, multinational corporations and content providers worldwide. Through Excel Communication's proven marketing and distribution channels, Teleglobe also caters to an expanding international consumer customer base. According to TeleGeography, the company is the fourth-ranked long distance provider in the United States and, according to a recent KMI Corporation study, the third largest owner of undersea fiber optic cable systems. Teleglobe has a 50% interest in ORBCOMM, the world's first commercial low-earth-orbit, satellite-based, data communications system. Additional information is available at www.teleglobe.com.