Holding(s) in Company

Catlin Group Limited
02 June 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
 2,310, 083         FPM       STATE STR BANK AND TR CO LNDON (S)
  1,838,592         FPM       NORTHERN TRUST LONDON
  1,476,741         FPM       J P MORGAN, BOURNEMOUTH
    411,012         FPM       HSBC BANK PLC
     75,200         FPM       MELLON BANK
     44,500         FPM       BANK OF NEW YORK BRUSSELS
    486,300        FMRCO      JP MORGAN CHASE BANK
    155,100        FMRCO      BROWN BROTHERS HARRIMAN AND CO
     23,946        FMRCO      STATE STREET BANK AND TR CO
  6,389,682        FISL       JP MORGAN, BOURNEMOUTH
    781,000         FIL       JP MORGAN, BOURNEMOUTH
    217,500         FIL       BROWN BROS HARRIMAN LTD LUX
     89,500         FIL       HSBC BANK PLC
     50,700         FIL       BNP PARIBAS, PARIS (C)
     32,000         FIL       NORTHERN TRUST LONDON
     11,600         FIL       BNP PARIBAS, PARIS
          0         FIL       BROWN BROTHERS HARRIMAN AND CO
     15,500         FIJ       BROWN BROTHERS HARRIMAN AND CO
    276,200         FII       JP MORGAN, BOURNEMOUTH
 14,685,156                   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:

740,534


8. Percentage of issued class:

0.45%


9. Class of security:

Common shares


10. Date of transaction:

Holdings are as at 30 May 2006. 'Shares disposed' is decrease since previous
disclosure


11. Date company informed:

1 June 2006


12. Total holding following this notification:

14,685,156


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

8.97%


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: 2 June 2006


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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