LONDON, March 3 /PRNewswire/ --

Global IP solutions provider Global Crossing (Nasdaq: GLBC) today announced that HM Revenue & Customs (HMRC) will employ Global Crossing's hosted IP telephony service for the operation of all its telephony services across the UK, supporting 85,000 users. The service will be provided through an OGCbuying.solutions contract. HMRC staff throughout the UK will gradually migrate to this secure, hosted IP telephony service.

This telecoms service is security-accredited and provides fully managed voice, data networking, hosted IP telephony, mobile working services and value added services. HMRC's move toward a pan-government, secure hosted IP telephony platform ensures that the organization is leading the way in the Government's best practice and realizing the business benefits of a flexible, managed and secure telephony solution. The IP telephony platform forms a cornerstone of Global Crossing's next generation network and Unified Communications strategy within the UK.

Global Crossing CEO John Legere said, "We're delighted that we've been chosen for this new contract by one of the largest government departments in the country to migrate its legacy telephony network to next generation technology. This demonstrates Global Crossing's continued commitment to public sector customers and our ability to transform legacy estates into converged IP environments. The opportunity to support the UK Government in its initiative to transform its telecommunications services by offering secure next generation hosted IP services to its customers is a core focus in our support of government business."

Users will benefit from using Global Crossing's hosted IP telephony offering, Global Crossing Unified Communications(TM), which provides customers with fully managed hosted IP telephony, collaboration and messaging solutions over a single, converged IP network designed to improve productivity, consolidate diverse systems and maximize efficiencies.

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@globalcrossing.com Fernanda Marques Latin America +55-11-3957-2042 LatAmPR@globalcrossing.com Jo Graves Europe +44-(0)1256-732387 EuropePR@globalcrossing.com Analysts/Investors Contact Suzanne Lipton +1-800-836-0342 glbc@globalcrossing.com

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Web site: http://www.globalcrossing.com

Becky Yeamans, +1-973-937-0155, PR@globalcrossing.com, or Fernanda Marques, Latin America, +55-11-3957-2042, LatAmPR@globalcrossing.com, or, Jo Graves, Europe, +44-(0)125-732387, EuropePR@globalcrossing.com, or Analysts, Investors Contact, Suzanne Lipton, +1-800-836-0342, glbc@globalcrossing.com, all for Global Crossing