COLT Telecom Group plc: Holding(s) in Company


LONDON, July 29, 2004 (PRIMEZONE) -- SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

COLT Telecom Group plc

2. Name of shareholder having a major interest

FMR Corp.

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



 Colt Inc. 57,007,591
 Fidelity International Limited 85,037,761
 Fidelity Investors Limited Paertnership 313,073,111
 The Colt Inc. 2001 Annuity Trust 77,739,173
 The Colt Inc. 2002 Annuity Trust 82,723,580
 The Colt Inc. 2003 Annuity Trust 172,215,436
 The Colt Inc. 2001 Charitbale Trust 1,575,038
 Edward C. Johnson Fund 9,715,293
 Fidelity Foundation 9,810,218
 Fidelity Non-Profit Management Foundation 43,687,020
 Mourant Trust 665,200
 Fidelity International Limited 57,007,591
 Fidelity Investors Limited partnership 313,073,111

5. Number of shares/amount of stock acquired

Colt Inc. 4,230,304 Fidelity Investors Limited Partnership 4,230,304 Total 8,460,608

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

0.56%

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

21st to 26th July 2004

11. Date company informed

28th July 2004

12. Total holding following this notification

853,249,421

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)

56.47%

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 29th July 2004



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

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