Holding(s) in Company

Hiscox PLC
30 July 2004

30 July 2004
Hiscox plc
Holding(s) in Company

On 30 July, 2004 Hiscox plc ('Hiscox') received the notification set out below
from Barclays PLC, in respect of a 4.04 per cent. interest in the issued share
capital of Hiscox as at 27 July, 2004.

Legal Entity Report

As at 27 July 2004 Barclays PLC, through the legal entities listed below, had a
notifiable interest in 11,794,620 ORD GBP0.05 representing 4.04% of the issued
share capital of 291,614,531 units.

Legal Entity                                       Holding       Percentage Held

Barclays Life Assurance Co Ltd                     277,347               .0951
Barclays Global Investors Australia Ltd             62,216               .0213
Gerrard Ltd                                         19,900               .0068
Barclays Capital Securities Ltd                     98,269               .0337
Barclays Global Investors N.A.                     930,344               .3190
Barclays Global Investors Ltd                   10,406,544              3.5686
                             Group Holding      11,794,620              4.0445

Registered Holders Report
As at 27 July 2004 Barclays PLC, through the registered holders listed below,
had a notifiable interest in 11,794,620 ORD GBP0.05 representing 4.04% of the
issued share capital of 291,614,531 units.

Registered Holder                                    Account           Holding
                                                 Designation
JP MORGAN (BGI CUSTODY)                                16400         2,551,331
JP MORGAN (BGI CUSTODY)                                18409           154,882
CHASE NOMINEES LTD                                     20947         7,526,863
CHASE NOMINEES LTD                                     21359             6,906
BARCLAYS CAPITAL NOMINEES LIMI                                          98,269
JP MORGAN (BGI CUSTODY)                                16331            74,689
JP MORGAN (BGI CUSTODY)                                16341           202,658
BNP PARIBAS                                                             12,550
CHASE NOMINEES LTD                                     16376           166,562
INVESTORS BANK AND TRUST CO.                                             8,438
INVESTORS BANK AND TRUST CO.                                           562,352
INVESTORS BANK AND TRUST CO.                                            88,875
INVESTORS BANK AND TRUST CO.                                           156,765
INVESTORS BANK AND TRUST CO.                                            26,968
JP MORGAN CHASE BANK                                                    62,216
NORTHERN TRUST BANK - BGI SEPA                                           7,301
NORTHERN TRUST BANK - BGI SEPA                                          45,956
NORTHERN TRUST BANK - BGI SEPA                                          21,139
R C Greig Nominees Limited a/c                           BL1            12,000
R C Greig Nominees Limited GP1                           GP1             7,900

                        Total                                       11,794,620

ENDS



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