Holding(s) in Company

RNS Number:9892L
Colt Telecom Group PLC
05 June 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 Shareholder having a major interest

    Notification is in respect of indirect interests

 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

    Notification is in respect of a non-beneficial interest held by AMVESCAP
    Plc. either directly or through its subsidiary companies

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

    Vidacos Nominees Ltd   130,407,411

    HSBC Nominees Limited   18,262,017

    Chase Nominees Limited   7,623,547

    Bank of New York   5,406,600

    Northern Trust Nominees Limited  2,860,251

    CM Investment Nominees Ltd  35,812

 5. Number of shares/amount of stock acquired

    N/A

 6. Percentage of issued class

    N/A

 7. Number of shares/amount of stock disposed

    1,251,348

 8. Percentage of issued Class

    Less than 1%

 9. Class of security

    Ordinary Shares of 2.5p

10. Date of Transaction

    4th June 2003

11. Date Company informed

    5th June 2003

12. Total holding following this notification

    164,595,638

13. Total percentage holding of issued class following this notification

    10.91%

14. Any additional information

    The holding, the subject of this notification of interest, also includes a
    notifiable interest in the holding of INVESCO Perpetual UK Growth Funds
    which now holds 45,690,000 shares (3.03%) registered in the name of Vidacos
    Nominees Ltd.

15. Name of contact and telephone number for queries

    John Doherty: 0207 390 3681

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


Mark A. Jenkins
Company Secretary
Date of Notification: 5th June 2003




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

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