Holding(s) in Company

Catlin Group Limited
17 November 2006


                                  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 LIFE ASSURANCE CO LTD, BARCLAYS GLOBAL INVESTORS
NA, BARCLAYS GLOBAL INVESTORS LTD, BARCLAYS PRIVATE BANK AND TRUST LTD, BARCLAYS
CAPITAL INC, BARCLAYS CAPITAL SECURITIES LTD, BARCLAYS GLOBAL INVESTORS
AUSTRALIA LTD, BARCLAYS GLOBAL INVESTORS JAPAN 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 LIMITED                                        5,100
BARCLAYS CAPITAL NOMINEES LIMITED                                      536,091
BARCLAYS CAPITAL NOMINEES LIMITED                                      547,009
BNP PARIBAS                                                             35,910
BOISS NOMINEES LTD                                     4224361         120,027
CHASE NOMINEES LTD                                       16376          66,458
CHASE NOMINEES LTD                                       20947       4,855,804
CHASE NOMINEES LTD                                       21359          55,680
CHASE NOMINEES LTD                                       28270          42,963
CHASE NOMINEES LTD                                       28270          29,878
CIBC MELLON GLOBAL SECURITIES                                           26,010
Clydesdale Nominees HGB0125                          120192701           5,000
INVESTORS BANK AND TRUST CO.                                             2,311
INVESTORS BANK AND TRUST CO.                                             1,683
INVESTORS BANK AND TRUST CO.                                           568,262
INVESTORS BANK AND TRUST CO.                                            87,886
INVESTORS BANK AND TRUST CO.                                            66,298
INVESTORS BANK AND TRUST CO.                                         1,384,355
INVESTORS BANK AND TRUST CO.                                            47,307
JP MORGAN (BGI CUSTODY)                                  16331          76,356
JP MORGAN (BGI CUSTODY)                                  16331          28,064
JP MORGAN (BGI CUSTODY)                                  16341          68,458
JP MORGAN (BGI CUSTODY)                                  16341          59,410
JP MORGAN (BGI CUSTODY)                                  16344          21,765
JP MORGAN (BGI CUSTODY)                                  16345          33,013
JP MORGAN (BGI CUSTODY)                                  16400         965,036
JP MORGAN (BGI CUSTODY)                                  18409         113,350
JPMorgan Chase Bank                                                     60,347
JPMORGAN CHASE BANK                                                    224,365
Master Trust Bank                                                       28,914
Mellon Trust - US CUSTODIAN /                                           59,200
MELLON TRUST OF NEW ENGLAND                                             36,507
NORTHERN TRUST BANK - BGI SEPA                                          90,372
NORTHERN TRUST BANK - BGI SEPA                                          73,461
STATE STREET BANK & TRUST - WI                                          11,513
STATE STREET BANK & TRUST - WI                                          59,777
STATE STREET BOSTON                                                     66,121
STATE STREET TRUST OF CANADA -                                          60,322
The Northern Trust Company - U                                          44,171
Trust & Custody Services Bank                                           49,411
                                   
                                                         Total      10,713,965
                                

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

   1,064,177

8. Percentage of issued class

   0.65%

9. Class of security

   COMMON SHARES OF $0.01 EACH

10. Date of transaction

    HOLDINGS ARE AS AT 13 NOVEMBER 2006. 'SHARES DISPOSED' IS DECREASE SINCE 
    PREVIOUS DISCLOSURE

11. Date company informed

    17 November 2006

12. Total holding following this notification

    10,713,965

13. Total percentage holding of issued class following this notification

    6.54%

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

17 November 2006

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