COLT Telecom Group PLC -- Holding(s) in Company


London, UK, Nov. 1, 2004 (PRIMEZONE) --



                             SCHEDULE 10
              NOTIFICATION OF MAJOR INTERESTS IN SHARES

  All relevant boxes should be completed in block capital letters.

  1. Name of company
     COLT Telecom Group plc

  2. Name of shareholder having a major interest
     Fidelity International Limited

  3. Please state whether notification indicates that it is in respect
     of holding of the shareholder named in 2 above or in respect of a
     non-beneficial interest or in the case of an individual holder if
     it is a holding of that person's spouse or children under
     the age of 18

  4. Name of the registered holder(s) and, if more than one holder,
     the number of shares held by each of them
     Fidelity International Limited

  5. Number of shares/amount of stock acquired
     1,000,000

  6. Percentage of issued class (any  treasury shares held by company
     should not be taken into account when calculating percentage)
     0.066%

  7. Number of shares/amount of stock disposed

  8. Percentage of issued class (any treasury shares held by
     company should not be taken into account when calculating
     percentage)

  9. Class of security
     Ordinary

 10. Date of transaction
     28th October 2004

 11. Date company informed
     29th October 2004

 12. Total holding following this notification
     105,841,957

 13. Total percentage holding of issued class following this
     notification (any treasury shares held by company should
     not be taken into account when calculating percentage)
     7.005%

 14. Any additional information

 15. Name of contact and telephone number for queries
     Adrian Goodenough
     020 7947 1677

 16. Name and signature of authorised company official responsible for
     making this notification
     Adrian Goodenough

     Date of notification 1st November 2004


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

            

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