Holding(s) in Company

Hiscox Ltd
27 April 2007


Notification of major interests in shares

Hiscox Ltd announces that on 27 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):

19 April 2007


6. Date on which issuer notified:

20 April 2007


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

15%, 14%


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: 59,306,811

Number of voting rights: 59,306,811

Resulting situation after the triggering transaction:

Number of shares (direct): 59,045,678

Number of voting rights (direct): 0

Number of voting rights (indirect): 59,045,678

% of voting rights (direct): 0.00%

% of voting rights (indirect): 14.94%

Total voting rights: 59,045,678 shares (14.94%)


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                          47,397,252
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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