Global Crossing Advances South American Crossing; Alcatel Will Supply Advanced Ring System; IMPSAT Will Provide Trans-Andean Section - Company Business and Marketing

Cambridge Telcom Report, August 23, 1999

Alcatel builds next generation networks, delivering integrated end-to-end voice and data communications solutions to established and new carriers, as well as enterprises and consumers worldwide. With 120,000 employees and sales of EURO 21.3 billion ($25.0 billion), Alcatel operates in more than 130 countries.

IMPSAT is a leading provider of Internet and private network integrated data and voice telecommunications services in Latin America. The Company is building an extensive pan-Latin American high capacity broadband network using advanced technologies including IP/ATM switching, DWDM, and non-zero dispersion fiber optics. IMPSAT provides services to more than 1,500 national and multinational companies, government entities and wholesale services to carriers, ISPs and other service providers throughout the region. IMPSAT's primary shareholders include Grupo Pescarmona with a 59% stake, private equity funds affiliated with Morgan Stanley Dean Witter with a 21% stake, and British Telecom, which holds 20%.

In the Caribbean and Latin America, Lucent has more than 8,000 employees and a presence in 22 countries. Lucent Technologies, headquartered in Murray Hill, N.J., USA, designs, builds and delivers a wide range of public and private networks, communications systems and software, data networking systems, business telephone systems and microelectronic components. Bell Laboratories is the research and development arm for the company. For more information on Lucent Technologies, visit its website at http://www.lucent.com on the World Wide Web. FMI: www.globalcrossing.com.

General information: Visit Alcatel at www.alcatel.com on the World Wide Web.

IMPSAT in Argentina

General information: Visit IMPSAT at www.impsat.com on the World Wide Web.