RNS Number:8490M
Colt Telecom Group PLC
27 June 2003


27 June 2003


                 NOTIFICATION OF CANCELLATION OF CERTAIN NOTES


COLT Telecom Group plc (COLT) said today that further to its notifications of 
9 October 2001, 13 May 2002 and 17 March 2003 and following the purchase of
certain bonds by COLT Telecom Finance Limited that the bonds purchased had now
been cancelled. Details of the further cancellations are given below.


$25.0 Million accreted principal amount of our $314 Million 12% Senior Discount
Notes due December 2006;

DM3.7 Million accreted principal amount of our Euro600 Million 2% Senior
Convertible Notes due August 2005;

Euro7.6 Million accreted principal amount of our Euro295 Million 2% Senior Convertible
Notes due March 2006;

Euro4.8 Million accreted principal amount of our Euro368 Million 2% Senior Convertible
Notes due December 2006; and

Euro17.4 Million accreted principal amount of our Euro402.5 Million 2% Senior
Convertible Notes due April 2007.



About COLT


COLT Telecom Group plc is a leading pan-European provider of business
communications services. COLT has over 16,000 network services and eBusiness
customers. The company owns an integrated 20,000 kilometre network that directly
connects over 9,000 buildings in 32 major cities in 13 countries augmented with
a further 27 points of presence across Europe and 11 Internet Solution Centres.
COLT supplies customers across the full spectrum of industry, service and
government sectors with unrivalled end-to-end network security, reliability and
service.


COLT Telecom Group plc is listed on the London Stock Exchange (CTM.L) and NASDAQ
(COLT). Information about COLT and its products and services can be found on the
web at www.colt.net.



For further information contact:

John Doherty, Director Investor Relations, COLT Telecom Group
Email jdoherty@colt-telecom.com
DDI: +44 (0)20 7390 3681



                      This information is provided by RNS
            The company news service from the London Stock Exchange

END
MSCDQLFLXQBBBBF