Holding(s) in Company

Hiscox PLC
16 July 2004

                           
                              Holding(s) in Company

On 15 July, 2004 Hiscox plc ('Hiscox') received the notification set out below
from Barclays PLC, in respect of a 3.24 per cent. interest in the issued share
capital of Hiscox as at 8 July, 2004.

Legal Entity Report

As at 8 July 2004 Barclays PLC, through the legal entities listed below, had a
notifiable interest in 9,453,437 ORD GBP0.05 representing 3.24% of the issued
share capital of 291,614,531 units.

Legal Entity                                       Holding       Percentage Held
Barclays Global Investors Ltd                    8,476,070              2.9066
Barclays Global Investors Australia Ltd             42,897               .0147
Barclays Global Investors N.A.                     637,223               .2185
Barclays Life Assurance Co Ltd                     277,347               .0951
Gerrard Ltd                                         19,900               .0068
                              Group Holding      9,453,437              3.2417

Registered Holders Report
As at 8 July 2004 Barclays PLC, through the registered holders listed below, had
a notifiable interest in 9,453,437 ORD GBP0.05 representing 3.24% of the issued
share capital of 291,614,531 units.

Registered Holder                                    Account           Holding
                                                 Designation
ALMLUFTTL-18409-CHASE MANHATTA                      ALMLUFTT           154,882
ASTEXMTTL-21359- CHASE NOMINEES                     ASTEXMTT             6,906
ASUKEXTTL-20947-CHASE MANHATTA                      ASUKEXTT         5,504,473
BLEQFDUKQ-16331- CHASE MANHATTA                     BLEOFDUK            74,689
BLEQPTUKQ-16341- CHASE MANHATTA                     BLEOPTUK           202,658
BLUKINTTL-16400- CHASE MANHATTA                     BLUKINTT         2,655,946
BNP PARIBAS                                           601165            12,550
CHATRKTTL-16376- CHASE MANHATTA                     CHATRKTT           153,863
INVESTORS BANK AND TRUST CO                           527191           381,674
INVESTORS BANK AND TRUST CO                           536747           105,297
INVESTORS BANK AND TRUST CO                           588888             6,148
INVESTORS BANK AND TRUST CO                           590421            17,000
INVESTORS BANK AND TRUST CO                           595966            64,359
JPMORGAN CHASE BANK                                   540186            42,897
NORTHERN TRUST BANK - BGI SEPA                        581610            31,120
NORTHERN TRUST BANK - BGI SEPA                        584069            14,170
NORTHERN TRUST BANK - BGI SEPA                        604162             4,905
R C Greig Nominees Limited a/c                           BL1            12,000
R C Greig Nominees Limited GP1                           GP1             7,900

                         Total                                       9,453,437

                                      
                                      ENDS
                                        


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