SOURCE: COLT Telecom Group plc

November 16, 2005 10:17 ET


London -- (MARKET WIRE) -- November 16, 2005 --

                                  SCHEDULE 10
1. Name of company

COLT Telecom Group plc

2. Name of shareholder having a major interest

Orbis Investment Management 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

Orbis Global Equity Fund Limited     74,631,071
Orbis Optimal Global Fund, L.P        1,110,541
Orbis SICAV Global Equity Fund        4,689,867
Orbis Optimal SA Fund Limited         2,874,271
G.A.-Fund-L                           1,800,696
Orbis MIS-Orbis Global Equity Fund    1,535,186
5. Number of shares / amount of stock acquired

6. Percentage of issued class

7. Number of shares / amount of stock disposed

8. Percentage of issued class

9. Class of security


10. Date of transaction

11. Date company informed

15 November 2005

12. Total holding following this notification


13. Total percentage holding of issued class following this notification


14. Any additional information

15. Name of contact and telephone number for queries

Gill Maclean +44 20 7863 5314

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

Caroline Griffin Pain

Date of notification

16 NOVEMBER 2005

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