COLT Telecom Group Plc Block Listing Six Monthly Return


LONDON, Feb. 5, 2004 (PRIMEZONE) -- SCHEDULE 5

BLOCK LISTING SIX MONTHLY RETURN

To: Listing Applications UK Listing Authority Financial Services Authority 25, The North Colonnade Canary Wharf London, E14 5HS

Please ensure the entries on this return are typed

1. Name of Company:

COLT Telecom Group plc

2. Name of Scheme:

COLT Telecom Sharesave Scheme

3. Period of Return:

From: 31 July 2003 to 31 January 2004

4. Number and class of share(s) (amount of stock/debt security) not issued under scheme:

1,090,176

5. Number of Shares issued/allotted under scheme during period:

32,971

6. Balance under scheme not yet issued/allotted at end of period:

1,057,205

7. Number and class of share(s) (amount of stock/debt securities) originally listed and the date of admission:

2,000,000 Ordinary Shares of 2.5p each listed on 31 January 2001

Please confirm total number of shares in issue at the end of the period in order for us to update our records.

1,510,208,394

Person making return:

Name: Mark A. Jenkins, Company Secretary

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



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Contact for queries:
Name:              Mark A. Jenkins

Telephone:         0207 390 3676

Address:           COLT Telecom Group plc
                   Beaufort House
                   15 St. Botolph Street
                   London EC3A 7QN
                   England