Holding(s) in Company

Hiscox PLC
02 August 2005

                               Holding in Company

Hiscox plc were notificed on 29 July 2005 of the following interest in the
issued share capital of Hiscox plc.

Following purchases totalling 1,930,391 shares on 28 July 2005.

1.Notification on behalf of Morley Fund Management Limited (a subsidiary of
Aviva plc)

1.1 We hereby notify you on behalf of Morley Fund Management Limited that
immediately after the time when the obligation to make this notification arose
Morley Fund Management Limited were interested in 9,999,193 shares.

1.2 The identity of the registered holders of the shares to which this
notification relates and the number of shares held by each of them are set out
below.

2.Notification on behalf of Aviva plc.

2.1 We hereby notify you on behalf of Aviva plc that immediately after the time
when the obligation to make this notification arose Aviva plc were interested in
9,999,193 shares giving the Aviva group a total percentage interest in the
shares of 3.42%.

2.2 The identity of the registered holders of the shares to which this
notification relates and the number of shares held by each of them are set out
below.


REGISTERED HOLDERS                 NUMBER OF SHARES HELD

BNY Norwich Union Nominees Ltd     1,872,822 (Material)
Chase GA Group Nominees Ltd        6,431,772 (Material)
Chase Nominees Ltd                  285,302 (Material)
CUIM Nominee Ltd                   1,409,297 (Material)








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