Holding(s) in Company

Catlin Group Limited
06 September 2005

Catlin Group Limited

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:

     586,834   FII       Bank of New York Europe London Total
     117,200   FII       JP Morgan, Bournemouth Total
      15,500   FIJ       Brown Brothers Harriman and Co Total
      41,500   FIL       BNP Paribas, Paris (C) Total
     439,452   FIL       Brown Bros Harrimn Ltd Lux Total
      89,500   FIL       HSBC Bank plc Total
     280,200   FIL       JP Morgan, Bournemouth Total
      32,000   FIL       Northern Trust London Total
   3,586,072   FISL      JP Morgan, Bournemouth Total
       4,000   FMRCO     JP Morgan Chase Bank Total
      25,946   FMRCO     State Street Bank and Trust Co Total
     121,500   FPM       Bank of New York Brussels Total
      40,511   FPM       BNP Paribas Frankfurt Total
     339,112   FPM       HSBC Bank plc Total
     744,841   FPM       JP Morgan, Bournemouth Total
     842,356   FPM       Northern Trust London Total
     953,619   FPM       State Street Bank and Trust Co London (S Total)
   8,260,143             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:

6 September 2005

12. Total holding following this notification:

8,260,143

13. Total percentage holding of issued class following this notification:

5.30%

14. Any additional information:

15. Name of contact and telephone number for queries:

William Spurgin, 020 7458 5726

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

William Spurgin, Head of Investor Relations
Date of notification: 6 September 2005

The FSA does not give any express or implied warranty as to the accuracy of this
document or material and does not accept any liability for error or omission.
The FSA is not liable for any damages (including, without limitation, damages
for loss of business or loss of profits) arising in contract, tort or otherwise
from the use of or inability to use this document, or any material contained in
it, or from any action or decision taken as a result of using this document or
any such material.




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