Blocklisting Interim Review

RNS Number:9843L
Colt Telecom Group PLC
05 June 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 Telecom Group Share Plan

3. Period of Return:

From: 7 October 2002 to 13 April 2003

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

5,055,573

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

 Nil

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

5,055,573

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

8,500,000 Ordinary Shares of 2.5p each listed on 14 April 2000

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

1,507,536,535

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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