Holding(s) in Company

Catlin Group Limited
26 April 2005


                                  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

      606,700   FIL       Bank of New York Europe London Total
      480,052   FIL       Brown Bros Harriman Ltd Lux Total
    2,147,039   FISL      JP Morgan Bournemouth Total
        4,000   FMRCO     JP Morgan Chase Bank Total
       51,546   FMRCO     State Street Bank and Trust Co Total
      202,700   FPM       Bank of New York Brussels Total
       40,511   FPM       BNP Paribas Frankfurt Total
       35,200   FPM       Clydesdale Bank PLC Total
      260,512   FPM       HSBC Bank PLC Total
      744,380   FPM       JP Morgan, Bournemouth Total
       49,800   FPM       Mellon Bank Total
      590,656   FPM       Northern Trust London Total
    1,087,219   FPM       State Street Bank and Trust Co London Total
    6,300,315             Grand Total Common Shares

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

26 April 2005

12. Total holding following this notification

6,300,315

13. Total percentage holding of issued class following this notification

4.09%

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

James Burcke

Date of notification

26 April 2005

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