Holding(s) in Company

Catlin Group Limited
01 November 2004

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

Catlin Group Limited

2. Name of shareholder having a major interest

FMR Corp, Fidelity International Limited, Edward C Johnson 3d

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

FMR Corp and its direct and indirect subsidiaries, and Fidelity International
Limited (FIL) and its direct and indirect subsidiaries both being non-beneficial
holders

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

139,100    FIL   Bank of New York London Total
84,311     FIL BNP Paribas Total
15,621     FIL CDC Finance Total
365,768    FIL Chase Manhattan Bank London Total
729,164    FIL HSBC Nominee (UK) Limited Total
969,369    FIL JP Morgan Total
85,635     FIL Northern Trust Total
360,483    FIL State Street Bank & Trust Total
2,718,461  FISL Chase Management Bank London Total
247,400    FISL JP Morgan Total
4,000      FMRCO JP Morgan Chase Total
21,446     FMRCO State Street Nominees Limited Total
1,488      FPM Brown Brothers Harriman Ltd. LUX Total
206,588    FPM Chase Manhattan Bank London Total
295,212    FPM HSBC Nominee (UK) Limited Total

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

N/A

8. Percentage of issued class

N/A

9. Class of security

Common shares

10. Date of transaction

N/A

11. Date company informed

29 October 2004

12. Total holding following this notification

6,244,046

13. Total percentage holding of issued class following this notification

4.05%

14. Any additional information

...............................................................

15. Name of contact and telephone number for queries

...............................................................

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

William Spurgin

Date of notification

1 November 2004

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for loss of business or loss of profits) arising in contract, tort or otherwise
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