Holding(s) in Company

Catlin Group Limited
01 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

HOLDINGS IN RESPECT OF BARCLAYS LIFE ASSURANCE COMPANY LTD, WOOLWICH UNIT TRUST
MANAGERS LTD, BARCLAYS CAPITAL SECURITIES LTD, BARCLAYS GLOBAL INVESTORS JAPAN
LTD, BARCLAYS GLOBAL INVESTORS NA, BARCLAYS GLOBAL INVESTORS LTD, BARCLAYS
GLOBAL INVESTORS AUSTRALIA LTD, BARCLAYS GLOBAL INVESTORS LTD, GERRARD 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
null                                 JFBL                               36,724
BANK OF IRELAND                      258227                             25,154
BANK OF IRELAND                      4239749                            47,395
BANK OF NEW YORK                     214074                              2,585
BANK OF NEW YORK                     214075                            305,445
BANK OF NEW YORK                     221428                             40,279
BANK OF NEW YORK                     367748                            448,010
BANK OF NEW YORK                     392067                            492,391
BANK OF NEW YORK                     392177                             14,186
BANK OF NEW YORK                     768198                             25,923
BARCLAYS CAPITAL NOMINEES LIMI                                         510,735
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                               5,840
CHASE NOMINEES LTD                   19519                             111,960
CHASE NOMINEES LTD                   20947                           6,187,745
CHASE NOMINEES LTD                   21359                             144,052
CHASE NOMINEES LTD                   25772                              40,934
CHASE NOMINEES LTD                   27793                               7,856
CHASE NOMINEES LTD                   27795                               9,782
CHASE NOMINEES LTD                   27800                             104,382
CHASE NOMINEES LTD                   28270                              45,548
CHASE NOMINEES LTD                   28270                              50,021
CHASE NOMINEES LTD                   31961                             216,576
CIBC MELLON GLOBAL SECURITIES                                           32,261
CITIBANK                             6010640794                         30,505
CITIBANK                             6010782807                         49,941
HSBC                                 813168                            122,083
HSBC                                 814537                              7,977
HSBC                                 845315                              1,891
INVESTORS BANK AND TRUST COMPANY     93356                              37,720
INVESTORS BANK AND TRUST CO.                                           581,732
INVESTORS BANK AND TRUST CO.                                            20,435
INVESTORS BANK AND TRUST CO.                                           122,023
INVESTORS BANK AND TRUST CO.                                             2,455
INVESTORS BANK AND TRUST CO.                                           142,269
INVESTORS BANK AND TRUST CO.                                         1,637,787
INVESTORS BANK AND TRUST CO.                                             4,880
JP MORGAN (BGI CUSTODY)              16331                              22,551
JP MORGAN (BGI CUSTODY)              16341                              67,668
JP MORGAN (BGI CUSTODY)              16341                              84,598
JP MORGAN (BGI CUSTODY)              16344                              31,410
JP MORGAN (BGI CUSTODY)              16345                              50,238
JP MORGAN (BGI CUSTODY)              16400                             762,541
JP MORGAN (BGI CUSTODY)              16612                              32,025
JP MORGAN (BGI CUSTODY)              16621                               8,185
JP MORGAN (BGI CUSTODY)              16644                              80,713
JP MORGAN (BGI CUSTODY)              16901                               3,087
JP MORGAN (BGI CUSTODY)              18409                              85,323
JP MORGAN (BGI CUSTODY)              19514                              12,229
JP MORGAN (BGI CUSTODY)              27795                              51,836
JP MORGAN (BGI CUSTODY)              27799                              60,309
JP MORGAN (BGI CUSTODY)              28166                             188,910
JP MORGAN (BGI CUSTODY)              29514                             108,292
JPM FRANKFURT                        27717                             100,023
JP MORGAN CHASE BANK                                                   191,401
JP Morgan Chase Bank                                                     9,002
JP Morgan Chase Bank                                                     5,379
JP Morgan Chase Bank                                                    11,108
JP Morgan Chase Bank                                                    12,976
MELLON BANK                          ABGFZ872482                       424,457
MELLON BANK                          TGGF0003002                        12,018
Mellon Trust- Boston & SF                                               81,530
MELLON TRUST OF NEW ENGLAND                                            103,963
MIDLAND BANK (HSBC BANK PLC)         772823                            207,759
NORTHERN TRUST                       BCP04                               8,364
NORTHERN TRUST                       CVS21                             155,116
NORTHERN TRUST                       SC006                              37,023
NORTHERN TRUST                       TNF01                              52,280
NORTHERN TRUST                       TRG01                               6,969
NORTHERN TRUST                       USF06                              24,873
NORTHERN TRUST                       USF12                             272,760
NORTHERN TRUST BANK - BGI SEPA                                          27,542
NORTHERN TRUST BANK - BGI SEPA                                         119,371
NORTHERN TRUST BANK - BGI SEPA                                         112,740
R C Greig Nominees Limited           RC1                                 1,600
STATE STREET                         2RJ2                               12,587
STATE STREET                         JD12                               57,735
STATE STREET                         N3B6                               44,761
STATE STREET                         N3YZ                                4,314
STATE STREET TRUST OF CANADA                                            37,720
                                                         TOTAL      15,801,214

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

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

1 AUGUST 2005
...............................................................

12. Total holding following this notification

15,801,214
...............................................................

13. Total percentage holding of issued class following this notification

10.14%
...............................................................

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

1 AUGUST 2005
...............................................................

The FSA does not give any express or implied warranty as to the accuracy of this
document or material and does not accept any liability for error or omission.
The FSA is not liable for any damages (including, without limitation, damages
for loss of business or loss of profits) arising in contract, tort or otherwise
from the use of or inability to use this document, or any material contained in
it, or from any action or decision taken as a result of using this document or
any such material.




                      This information is provided by RNS
            The company news service from the London Stock Exchange