Holding(s) in Company

Catlin Group Limited
03 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         Holding
                                                 Designation

BARCLAYS CAPITAL NOMINEES LIMITED                                    1,005,100
BARCLAYS CAPITAL NOMINEES LIMITED                                      551,174
BARCLAYS CAPITAL NOMINEES LIMITED                                      505,100
BNP PARIBAS                                                             35,910
BOISS NOMINEES LTD                                   4224361           116,391
CHASE NOMINEES LTD                                     16376            62,898
CHASE NOMINEES LTD                                     20947         4,855,804
CHASE NOMINEES LTD                                     21359           116,089
CHASE NOMINEES LTD                                     28270            62,290
CHASE NOMINEES LTD                                     28270            42,963
CIBC MELLON GLOBAL SECURITIES                                           26,010
Clydesdale Nominees HGB0125                        120192701             5,000
INVESTORS BANK AND TRUST CO.                                             2,311
INVESTORS BANK AND TRUST CO.                                            66,298
INVESTORS BANK AND TRUST CO.                                         1,361,477
INVESTORS BANK AND TRUST CO.                                             1,683
INVESTORS BANK AND TRUST CO.                                           565,004
INVESTORS BANK AND TRUST CO.                                            87,886
INVESTORS BANK AND TRUST CO.                                            47,307
JP MORGAN (BGI CUSTODY)                                16331            28,064
JP MORGAN (BGI CUSTODY)                                16341           123,866
JP MORGAN (BGI CUSTODY)                                16341            68,458
JP MORGAN (BGI CUSTODY)                                16344            45,375
JP MORGAN (BGI CUSTODY)                                16345            68,829
JP MORGAN (BGI CUSTODY)                                16400           960,562
JP MORGAN (BGI CUSTODY)                                18409           113,350
JPMORGAN CHASE BANK                                                    224,365
JPMorgan Chase Bank                                                     57,594
Master Trust Bank                                                       28,914
Mellon Trust - US CUSTODIAN /                                           59,200
MELLON TRUST OF NEW ENGLAND                                             36,507
NORTHERN TRUST BANK - BGI SEPA                                          67,515
NORTHERN TRUST BANK - BGI SEPA                                          90,372
STATE STREET BANK & TRUST - WI                                          59,777
STATE STREET BANK & TRUST - WI                                          11,513
STATE STREET BOSTON                                                     66,121
STATE STREET TRUST OF CANADA -                                          60,322
The Northern Trust Company - U                                          44,171
Trust & Custody Services Bank                                           46,572

                                   Total                            11,778,142

5. Number of shares / amount of stock acquired

408,256

6. Percentage of issued class

0.25%

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

    HOLDINGS ARE AS AT 30 OCTOBER 2006. 'SHARES ACQUIRED' IS INCREASE SINCE 
    PREVIOUS DISCLOSURE

11. Date company informed

    2 November 2006

12. Total holding following this notification

11,778,142

13. Total percentage holding of issued class following this notification

7.19%

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

3 November 2006

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