Blocklisting Interim Review

RNS Number:1453O
Colt Telecom Group PLC
30 July 2003



                                   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: 29 December 2002 to 27 June 2003

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

761,316

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

182,228

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.

1,507,539,535

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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