Notification of shares

Catlin Group Limited
16 June 2005


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

CATLIN GROUP LIMITED
...............................................................

2. Name of shareholder having a major interest

BARCLAYS PLC
...............................................................
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

HOLDINGS IN RESPECT OF BARCLAYS GLOBAL INVESTORS LTD, BARCLAYS GLOBAL INVESTORS
AUSTRALIA LTD, BARCLAYS CAPITAL SECURITIES LTD, BARCLAYS GLOBAL INVESTORS, N.A.
AND BARCLAYS LIFE ASSURANCE CO LTD
...............................................................

4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

Registered Holder                    Account Designation               Holding
BARCLAYS CAPITAL NOMINEES LIMI                                         208,351
BNP PARIBAS                                                             39,144
CHASE NOMINEES LTD                        16376                         37,098
CHASE NOMINEES LTD                        20947                      4,588,726
CHASE NOMINEES LTD                        21359                         66,647
CIBC MELLON GLOBAL SECURITIES                                           23,817
INVESTORS BANK AND TRUST CO.                                            10,846
INVESTORS BANK AND TRUST CO.                                         1,149,734
INVESTORS BANK AND TRUST CO.                                             2,455
INVESTORS BANK AND TRUST CO.                                            33,792
INVESTORS BANK AND TRUST CO.                                           396,462
INVESTORS BANK AND TRUST CO.                                            89,059
INVESTORS BANK AND TRUST CO.                                             4,880
JP MORGAN (BGI CUSTODY)                    16331                        22,551
JP MORGAN (BGI CUSTODY)                    16341                        37,143
JP MORGAN (BGI CUSTODY)                    16341                        45,507
JP MORGAN (BGI CUSTODY)                    16344                        15,887
JP MORGAN (BGI CUSTODY)                    16345                        26,075
JP MORGAN (BGI CUSTODY)                    16400                       740,500
JP MORGAN (BGI CUSTODY)                    18409                        43,257
JP MORGAN CHASE BANK                                                   126,393
Mellon Trust- Boston & SF                                               59,425
MELLON TRUST OF NEW ENGLAND                                             73,604
NORTHERN TRUST BANK - BGI SEPA                                          79,388
NORTHERN TRUST BANK - BGI SEPA                                          94,396
NORTHERN TRUST BANK - BGI SEPA                                          20,010
STATE STREET TRUST OF CANADA                                            26,919
                                           TOTAL                     8,062,066

...............................................................
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 OF $0.01 EACH
...............................................................

10. Date of transaction

NOT DISCLOSED
...............................................................

11. Date company informed

16 JUNE 2005
...............................................................

12. Total holding following this notification

8,062,066
...............................................................

13. Total percentage holding of issued class following this notification

5.2%
...............................................................



14. Any additional information

...............................................................

15. Name of contact and telephone number for queries

WILLIAM SPURGIN 0207 458 5726
...............................................................

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

WILLIAM SPURGIN, HEAD OF INVESTOR RELATIONS
...............................................................

Date of notification

16 JUNE 2005
...............................................................

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for loss of business or loss of profits) arising in contract, tort or otherwise
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it, or from any action or decision taken as a result of using this document or
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