Holding(s) in Company

Hiscox PLC
21 October 2004

                             Holding(s) in Company

Hiscox plc ('Hiscox') has been notified on 20 October 2004 on behalf of Fidelity
International Limited ('FIL'), that FIL and various direct and indirect
subsidiaries, as non-beneficial holders, are interested in 23,483,377 ordinary
shares of 5p each in the issued share capital of Hiscox, representing 8.13% of
the issued share capital.

The shares are registered in the following names:

539,100        Bank of New York London
185,600        Bankers Trust
1,179,630      Chase Manhattan Bank London
383,800        Citibank
321,700        JP Morgan
18,792,320     Chase Manhattan Bank London
2,081,227      JP Morgan

                                      ENDS



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