Notifiable Interest

Catlin Group Limited
01 June 2004


                                  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 Ltd, 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

       21,446   FMRCO      State Street Nominees Limited
    2,512,935   FISL       Chase Manhattan Bank London
       90,626   FISL       Chase Nominees Limited
      183,888   FPM        Chase Nominees Limited
      253,412   FPM        HSBC Client Holdings Nominee (UK) Limited
      729,164   FIL        HSBC Client Holdings Nominee (UK) Limited
       15,621   FIL        CDC Finance
       74,935   FIL        Northern Trust
      308,583   FIL        State Street Bank & Trust
      299,719   FIL        Chase Manhattan Bank London
      224,116   FIL        JP Morgan
       84,311   FIL        BNP Paribas

5. Number of shares / amount of stock acquired

4,798,756

6. Percentage of issued class

3.11%

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



11. Date company informed

1 June 2004

12. Total holding following this notification

4,798,756

13. Total percentage holding of issued class following this notification

3.11%

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

William Spurgin

Date of notification

1 June 2004

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