RNS Number:4408T
Colt Telecom Group PLC
18 December 2003


                   Notification of interests in shares under

                     Section 198 of the Companies act 1985





 1. Name of Company

COLT Telecom Group plc

 2. Name of Director

Vincenzo Damiani

 3. Please state whether notification indicates that it is in respect of holding
    of the director named in 2 above or holding of that persons spouse or
    children under the age of 18 or in respect of a non-beneficial interest

Notification is in respect of director

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

Vincenzo Damiani

 5. Please state whether notification relates to a person(s) connected with the
    director named in 2 above and identify the connected person(s)

N/A

 6. Please state the nature of the transaction. For PEP transactions please
    indicate whether general/single co. PEP and if discretionary/
    non-discretionary

Purchase of Shares

 7. Number of shares/amount of stock acquired

12,328

 8. Percentage of issued Class

Less than 1%

 9. Number of shares/amount of stock disposed

N/A

10. Percentage of issued class

N/A

11. Class of security

Ordinary shares of 2.5p each

12. Price per share

#0.9675 p

13. Date of transaction

10 December 2003

14. Date Company informed

15 December 2003

15. Total holding following this notification

42,162

16. Total percentage holding of issued class following this notification

Less than 1%


If a director has been granted options by the company please complete the
following

17. Date of grant

N/A

18. Period during which or date on which exercisable

N/A

19. Total amount paid (if any) for grant of the option

N/A

20. Description of shares or debentures involved: class, number

N/A

21. Exercise price (if fixed at time of grant) or indication that price is to be
    fixed at time of exercise

N/A

22. Total number of shares or debentures over which options held following this
    notification

N/A

23. Any additional information

Mr Damiani also holds options over 40,000 share options

24. Name of contact and telephone number for queries

John Doherty: 0207 390 3681





Mark A. Jenkins
Company Secretary
Date of Notification: 18 December 2003






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