Global Crossing Announces Conference Call for GC Impsat's Fourth Quarter and Full Year 2007 Financial Results

FLORHAM PARK, N.J., April 15 -- Global Crossing (NASDAQ:GLBC) will conduct a conference call on Friday, April 18, 2008 at 9:00 a.m. EDT/10:00 a.m. Buenos Aires time. CFO Jean Mandeville and Hector Alonso, managing director for Latin America, will discuss GC Impsat's financial results for the fourth quarter and full year 2007.

The call may be accessed by dialing +1 212 231 2905. Callers are advised to dial in 15 minutes prior to the 9:00 a.m. EDT/10:00 a.m. Buenos Aires start time. The call will also be Webcast at http://investors.globalcrossing.com/events.cfm.

A replay of the call will be available on Friday, April 18, 2008 beginning at 11:00 a.m. EDT/12:00 p.m. Buenos Aires time and will be accessible until Friday, April 25, 2008 at 11:00 a.m. EDT/12:00 p.m. Buenos Aires time. To access the replay, callers should dial +1 402 977 9140 or +1 800 633 8284 and enter reservation number 21380586.

ABOUT GC IMPSAT

GC Impsat is a leading provider of private telecommunications network and Internet services in Latin America, offering integrated data, voice, data center and Internet solutions. Its network consists of owned fiber-optic and wireless links, teleports and earth stations, and leased satellite links. GC Impsat's regional infrastructure also includes 15 metropolitan networks and 15 world-class data centers located in the main business centers of Latin America.

GC Impsat has operations in Argentina, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela and the United States.

ABOUT GLOBAL CROSSING

Global Crossing (NASDAQ:GLBC) provides telecommunications solutions over the world's first integrated global IP-based network. Its core network connects approximately 390 cities in more than 30 countries worldwide, and delivers services to approximately 690 cities in more than 60 countries and 6 continents around the globe. The company's global sales and support model matches the network footprint and, like the network, delivers a consistent customer experience worldwide.

Global Crossing IP services are global in scale, linking the world's enterprises, governments and carriers with customers, employees and partners worldwide in a secure environment that is ideally suited for IP-based business applications, allowing e-commerce to thrive. The company offers a full range of data, voice and security products to approximately 40 percent of the Fortune 500, as well as 700 carriers, mobile operators and ISPs. Its Professional Services and Managed Solutions provide VoIP, security and network consulting and management services to support its Global Crossing IP VPN service and Global Crossing VoIP services. Global Crossing was the first global communications provider with IPv6 natively deployed in both its private and public backbone networks.

Please visit www.globalcrossing.com or blogs.globalcrossing.com/ for more information about Global Crossing.

Statements in this press release about expected future events and financial results are forward-looking and subject to risks and uncertainties that could cause the actual results to differ materially, including risks referenced from time to time in the company's filings with the Securities and Exchange Commission. Global Crossing undertakes no duty to update information contained in this press release or in other public disclosures at any time.

   CONTACT GLOBAL CROSSING:
   Press Contacts
   Becky Yeamans
   + 1 973 937 0155
   PR at globalcrossing.com

   Fernanda Marques
   Latin America
   + 55 11 3957 2042
   LatAmPR at globalcrossing.com

   Analysts/Investors Contact
   Antonio Suarez
   + 1 800 836 0342
   glbc at globalcrossing.com

   IR/PR1