Blocklisting Interim Review

RNS Number:3315U
Colt Telecom Group PLC
16 January 2004


                                   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 eCustomer Solutions France SAS

3.         Period of Return:

From:   28 June 2003 to 28 Dec 2003

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

579,088

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

Nil

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

579,088

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

2,415,664 Ordinary Shares of 2.5p each listed on 28 June 2001

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

1,510,153,743

Contact for queries:

Name:              Mark A. Jenkins

Telephone:         [phone]

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

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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