Notification of shares

Catlin Group Limited
29 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                                         208,884
BNP PARIBAS                                                             49,570
CHASE NOMINEES LTD                          16376                       37,098
CHASE NOMINEES LTD                          20947                    5,329,925
CHASE NOMINEES LTD                          21359                      106,025
CIBC MELLON GLOBAL SECURITIES                                           30,591
INVESTORS BANK AND TRUST CO.                                           502,540
INVESTORS BANK AND TRUST CO.                                            61,611
INVESTORS BANK AND TRUST CO.                                         1,480,576
INVESTORS BANK AND TRUST CO.                                             2,455
INVESTORS BANK AND TRUST CO.                                           137,245
INVESTORS BANK AND TRUST CO.                                            13,921
INVESTORS BANK AND TRUST CO.                                             4,880
JP MORGAN (BGI CUSTODY)                     16331                       22,551
JP MORGAN (BGI CUSTODY)                     16341                       61,580
JP MORGAN (BGI CUSTODY)                     16341                       37,143
JP MORGAN (BGI CUSTODY)                     16344                       21,207
JP MORGAN (BGI CUSTODY)                     16345                       34,783
JP MORGAN (BGI CUSTODY)                     16400                      740,500
JP MORGAN (BGI CUSTODY)                     18409                       43,257
JP MORGAN CHASE BANK                                                   159,464
Mellon Trust- Boston & SF                                               77,290
MELLON TRUST OF NEW ENGLAND                                             94,072
NORTHERN TRUST BANK - BGI SEPA                                         120,591
NORTHERN TRUST BANK - BGI SEPA                                         101,952
NORTHERN TRUST BANK - BGI SEPA                                          23,152
STATE STREET TRUST OF CANADA                                            34,949
                                                          TOTAL      9,537,812

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

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

20 JUNE 2005
...............................................................

12. Total holding following this notification

9,537,812
...............................................................

13. Total percentage holding of issued class following this notification

6.1%
...............................................................



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

29 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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