Holding(s) in Company

Catlin Group Limited
25 October 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 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:

Shares Held     Management     Nominee/Registered Name
                 Company

  1,446,856        FPM         NORTHERN TRUST LONDON
  1,353,824        FPM         STATE STR BANK AND TR CO LNDON (S)
  1,163,041        FPM         JP MORGAN, BOURNEMOUTH
    360,312        FPM         HSBC BANK PLC
    343,500        FPM         BANK OF NEW YORK BRUSSELS
    282,300        FPM         MELLON BANK
    141,200        FPM         BANKERS TRUST LONDON
     68,300        FPM         MIDLAND SECURITIES SERVICES
     40,511        FPM         BNP PARIBAS FRANKFURT
     21,000        FPM         CLYDESDALE BANK PLC
    224,221       FMRCO        JPMORGAN CHASE BANK
     23,946       FMRCO        STATE STREET BANK AND TR CO
  5,409,809        FISL        JP MORGAN, BOURNEMOUTH
    445,864        FIL         BROWN BROS HARRIMN LTD LUX
    280,200        FIL         JP MORGAN, BOURNEMOUTH
     89,500        FIL         HSBC BANK PLC
     71,500        FIL         BANK OF NEW YORK BRUSSELS
     43,800        FIL         BNP PARIBAS, PARIS (C)
     32,000        FIL         NORTHERN TRUST LONDON
     15,500        FIJ         BROWN BROTHERS HARRIMAN AND CO
    473,700        FII         BANK OF NEW YORK EUROPE LDN
    176,000        FII         JP MORGAN, BOURNEMOUTH
 12,506,884                    Grand Total Common Shares

Note: Abbreviations used above are as follows:

'FII'          Fidelity Investments International
'FIJ'          Fidelity Investments Japan
'FIL'          Fidelity International Limited
'FISL'         Fidelity Investment Services Limited
'FMRCO'        Fidelity Management and Research Company
'FPM'          Fidelity Pension Management

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:

    25 October 2005

12. Total holding following this notification:

    12,506,884

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

    8.03%

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: 25 October 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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