Holding(s) in Company

Catlin Group Limited
22 December 2006


                           
                                  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
   1,521,254         FPM         JP MORGAN, BOURNEMOUTH
     677,521         FPM         NORTHERN TRUST LONDON
     369,766         FPM         HSBC BANK PLC
     157,645         FPM         STATE STR BK AND TR CO LNDN (S)
      38,300         FPM         BANK OF NEW YORK BRUSSELS
     486,300        FMRCO        JP MORGAN CHASE BANK
     142,900        FMRCO        BROWN BROTHERS HARRIMAN AND CO
   4,083,131        FISL         JP MORGAN, BOURNEMOUTH
   4,323,196         FIL         BROWN BROS, HARRIMAN LTD LUX
   3,086,229         FIL         JP MORGAN, BOURNEMOUTH
      32,900         FIL         NORTHERN TRUST LONDON
      11,600         FIL         BNP PARIBAS, PARIS
       7,000         FIL         BNP PARIBAS, PARIS (C)
      15,500         FIJ         BROWN BROTHERS HARRIMAN AND CO
     395,001         FII         JP MORGAN, BOURNEMOUTH
     934,235       FIGEST        BNP PARIBAS, PARIS
  16,282,478                     Grand Total Common Shares



Note: Abbreviations used above are as follows:

'FIGEST'        Fidelity Gestion
'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:

   945,420

8. Percentage of issued class:
   
   0.6%

9. Class of security:

   Common shares

10. Date of transaction:
    
    Holdings are as at 20 December 2006. 'Shares disposed' is decrease since 
    previous disclosure

11. Date company informed:

    21 December 2006

12. Total holding following this notification:

    16,282,478

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

    9.9%

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: 22 December 2006

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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
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