COLT Telecom Group plc -- Blocklisting Interim Review


LONDON, Jan. 16, 2004 (PRIMEZONE) -- COLT Telecom Group plc:

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

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