LONDON, September 10 /PRNewswire/ --

Global Crossing (UK) Finance plc ("GCUK Finance") today announced the 
extension of its offer launched on August 10, 2007 to exchange 52 million 
Pounds Sterling of its 11.75 percent Sterling-denominated senior secured 
notes due in 2014 and issued on December 28, 2006, for an equivalent amount 
of newly-issued 11.75 percent Sterling-denominated senior secured notes due 
in 2014 that have been registered under the Securities Act of 1933, as 
amended.

Under the indenture governing the 11.75 percent Sterling-denominated
senior secured notes due in 2014, GCUK Finance must furnish certain financial
information for the quarter ended June 30, 2007 to holders of its notes on or
before September 13, 2007. In anticipation of making this information
available, which GCUK Finance expects to do on September 13, 2007, the
company has decided to extend the offer in order to provide such information
to holders of the notes. Any such information will be provided pursuant to a
prospectus supplement ("Prospectus Supplement").

Pursuant to this press release, GCUK Finance is hereby extending the
exchange offer from its initial expiration time of 5:00 p.m. BST on September
10, 2007 until 9:00 a.m. BST on September 21, 2007.

The Prospectus Supplement will be delivered by the exchange agent, The
Bank of New York, to the holders of the notes. The Prospectus Supplement will
also be available on the Web site of GCUK Finance at
http://investors.globalcrossing.com/sec.cfm. Holders with any questions may
contact Peter Howard or Daniel Giles at The Bank of New York at 
+44-20-7964-6873 / 2536 or by e-mail at eventsadmin@bankofny.com.

This press release shall not constitute an offer to sell or the
solicitation of an offer to purchase. No sale of these securities shall occur
in any jurisdiction on which such offer, solicitation or sale would be
unlawful prior to registration or qualification under the securities law of
said jurisdiction.

ABOUT GLOBAL CROSSING

Global Crossing (Nasdaq: GLBC) provides telecommunications solutions over
the world's first integrated global IP-based network. Its core network
connects more than 320 cities in 31 countries worldwide, and delivers
services to more than 600 cities in 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
-- and remains the only -- 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 Contact
    Becky Yeamans
    +1-973-937-0155
    PR@globalcrossing.com

    Analysts/Investors Contact
    Gino Mathew
    +1-973-937-0133
    gino.mathew@globalcrossing.com



IR/PR1

Web site: http://www.globalcrossing.com
              http://investors.globalcrossing.com/sec.cfm
              http://blogs.globalcrossing.com