Holding(s) in Company

Catlin Group Limited
19 August 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

WOOLWICH UNIT TRUST MANAGERS LTD, GERRARD LTD, BARCLAYS CAPITAL SECURITIES LTD,
BARCLAYS GLOBAL INVESTORS LTD, BARCLAYS LIFE ASSURANCE CO LTD, BARCLAYS GLOBAL
INVESTORS, N.A., BARCLAYS GLOBAL INVESTORS JAPAN LTD, BARCLAYS GLOBAL INVESTORS
LTD, BARCLAYS GLOBAL INVESTORS AUSTRALIA LTD
..............................................................................

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

Regisitered Holder                                Account Designation  Holding
BANK OF IRELAND                                        258180            7,364
BANK OF IRELAND                                        258227           45,431
BANK OF IRELAND                                       4239749           80,152
BANK OF NEW YORK                                       210405           60,313
BANK OF NEW YORK                                       214074            2,585
BANK OF NEW YORK                                       214075          423,970
BANK OF NEW YORK                                       221428           54,986
BANK OF NEW YORK                                       367748          482,448
BANK OF NEW YORK                                       392067          527,390
BANK OF NEW YORK                                       392177           27,572
BANK OF NEW YORK                                       768198           25,923
BARCLAYS CAPITAL NOMINEES LTD                                          552,397
BNP PARIBAS                                                             52,866
BNY (OCS) NOMINEES LTD                                 221476           46,339
BNY (OCS) NOMINEES LTD                                 387173          108,005
BOISS NOMINEES LTD                                    4224361           51,706
CHASE NOMINEES LTD                                      16376           57,350
CHASE NOMINEES LTD                                      16669           17,186
CHASE NOMINEES LTD                                      18243           14,994
CHASE NOMINEES LTD                                      19518           17,168
CHASE NOMINEES LTD                                      19519          163,698
CHASE NOMINEES LTD                                      19520           19,672
CHASE NOMINEES LTD                                      20947        6,447,845
CHASE NOMINEES LTD                                      21359          229,376
CHASE NOMINEES LTD                                      25772           57,737
CHASE NOMINEES LTD                                      27793            7,856
CHASE NOMINEES LTD                                      27795            9,782
CHASE NOMINEES LTD                                      27800          107,299
CHASE NOMINEES LTD                                      28270           80,938
CHASE NOMINEES LTD                                      28270           45,548
CHASE NOMINEES LTD                                      31961          229,413
CIBC MELLON GLOBAL SECURITIES                                           32,261
CITIBANK                                           6010640794           30,505
CITIBANK                                           6010782807           51,983
HSBC                                                   813168          140,060
HSBC                                                   814537            7,977
HSBC                                                   845315            1,891
INVESTORS BANK AND TRUST CO                                            585,235
INVESTORS BANK AND TRUST CO                                          1,654,075
INVESTORS BANK AND TRUST CO                                             23,616
INVESTORS BANK AND TRUST CO                                            138,840
INVESTORS BANK AND TRUST CO                                              4,880
INVESTORS BANK AND TRUST CO                                            142,269
INVESTORS BANK AND TRUST CO                                              2,455
JP MORGAN (BGI CUSTODY)                                 16331           22,551
JP MORGAN (BGI CUSTODY)                                 16341          124,999
JP MORGAN (BGI CUSTODY)                                 16341           58,577
JP MORGAN (BGI CUSTODY)                                 16344           50,270
JP MORGAN (BGI CUSTODY)                                 16345           74,539
JP MORGAN (BGI CUSTODY)                                 16400        1,114,877
JP MORGAN (BGI CUSTODY)                                 16612           35,711
JP MORGAN (BGI CUSTODY)                                 16621           15,767
JP MORGAN (BGI CUSTODY)                                 16644           80,713
JP MORGAN (BGI CUSTODY)                                 16901            8,429
JP MORGAN (BGI CUSTODY)                                 18409           85,323
JP MORGAN (BGI CUSTODY)                                 19514           12,657
JP MORGAN (BGI CUSTODY)                                 27795           54,044
JP MORGAN (BGI CUSTODY)                                 27799           81,970
JP MORGAN (BGI CUSTODY)                                 28166          188,910
JP MORGAN (BGI CUSTODY)                                 29514          108,292
JP MORGAN (BGI CUSTODY)                                 35360          231,100
JPM FRANKFURT                                           27717          100,023
JPMORGAN CHASE BANK                                                    249,208
JPMorgan Chase Bank                                                     29,810
JPMorgan Chase Bank                                                     19,402
JPMorgan Chase Bank                                                     10,823
JPMorgan Chase Bank                                                     22,764
MELLON BANK                                             ABGFZ872482    424,457
MELLON BANK                                             TGGF0003002     12,018
Mellon Trust - US CUSTODIAN/                                            81,530
MELLON TRUST OF NEW ENGLAND                                            103,963
MIDLAND BANK (HSBC BANK PLC)                            772823         273,416
NORTHERN TRUST                                          BCP04            8,364
NORTHERN TRUST                                          CVS21          160,798
NORTHERN TRUST                                          SCO06           37,023
NORTHERN TRUST                                          TNF01           54,728
NORTHERN TRUST                                          TRG01            6,969
NORTHERN TRUST                                          USF06           24,873
NORTHERN TRUST                                          USF12          283,334
NORTHERN TRUST BANK - BGI SEPA                                         106,033
NORTHERN TRUST BANK - BGI SEPA                                          27,542
NORTHERN TRUST BANK - BGI SEPA                                         119,371
R C Greig Nominees Limited                              RC1              1,600
STATE STREET                                            2RJ2            12,587
STATE STREET                                            JD12            57,735
STATE STREET                                            JFBL            36,724
STATE STREET                                            N3B6            44,761
STATE STREET                                            N3YZ             4,314
STATE STREET                                            VE4J            95,222
STATE STREET TRUST OF CANADA -                                          37,720
                                                        TOTAL       17,667,197

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

18 AUGUST 2005
..............................................................................

12. Total holding following this notification

17,667,197
..............................................................................

13. Total percentage holding of issued class following this notification

11.34%
..............................................................................

14. Any additional information

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

15. Name of contact and telephone number for queries

WILLIAM SPURGIN 020 7458 5726
..............................................................................
16. Name and signature of authorised company official responsible for making
this notification

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

Date of notification

19 AUGUST 2005
..............................................................................

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for loss of business or loss of profits) arising in contract, tort or otherwise
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