Holding(s) in Company

Hiscox Ltd
10 April 2007


                    Notification of major interests in shares


Hiscox Ltd announces that on 5 April 2007 it received the following notification 
from Amvescap plc pursuant to the Disclosure and Transparency Rules.

Robin Mehta, Company Secretary, Hiscox Ltd.
Tel. [phone]


TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Hiscox Ltd


2. Reason for the notification (please state Yes/No): ( )

An acquisition or disposal of voting rights: (X)
An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: ( )
An event changing the breakdown of voting rights: ( )
Other (please specify) : ( )


3. Full name of person(s) subject to the notification obligation:

Amvescap plc


4. Full name of shareholder(s) (if different from 3.):

N/A


5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

2 April 2007


6. Date on which issuer notified:

3 April 2007


7. Threshold(s) that is/are crossed or reached:

14%, 15%


8. Notified details:

A: Voting rights attached to shares

Class/type of shares (if possible using the ISIN CODE):

Hiscox Ltd Ordinary Shares of 5p each (ISIN: BMG4593F1041)

Situation previous to the triggering transaction:

Number of shares: 59,176,811

Number of voting rights: 59,176,811

Resulting situation after the triggering transaction:

Number of shares (direct): 59,306,811

Number of voting rights (direct): 0

Number of voting rights (indirect): 59,306,811

% of voting rights (direct): 0.00%

% of voting rights (indirect): 15.02%

Total voting rights: 59,306,811 shares (15.02%)


9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

Brown Brothers Harriman (New Jersey) 47,334
Bank of Ireland (Dublin) 606,985
Chase Nominees 3,938,021
Vidacos Nominees 47,658,385
HSBC Bank plc (London) 765,079
Mellon Bank Pittsburgh 306,735
State Street Trust & Banking (London) 5,267,054
Northern Trust Company (London) 717,218

Proxy Voting:


10. Name of the proxy holder:

N/A


11. Number of voting rights proxy holder will cease to hold:

N/A


12. Date on which proxy holder will cease to hold voting rights

N/A


13. Additional information:

N/A


14. Contact name:

Samantha Edwards


15. Contact telephone number:

01491 416 381




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