Holding(s) in Company

Hiscox Ltd
18 December 2007

                                        
                    Notification of major interests in shares

Hiscox Ltd announces that on 17 December 2007 it received the following 
notification from INVESCO Limited 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:

INVESCO Limited

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


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

14 December 2007

6. Date on which issuer notified:

17 December 2007

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

14% to 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: 59,335,186

Number of voting rights: 59,335,186

Resulting situation after the triggering transaction:

Number of shares (direct): 59,434,439

Number of voting rights (direct): 0

Number of voting rights (indirect): 59,434,439

% of voting rights (direct): 0

% of voting rights (indirect): 15.10%

Total voting rights: 59,434,439  shares (15.10%)

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) - 35,561

Bank of Ireland (Dublin) - 353,325

Chase Nominees - 3,635,042

Vidacos Nominees - 48,511,075

HSBC Bank plc (London) - 758,029

Mellon Bank Pittsburgh - 283,155

State Street Trust & Banking (London) - 5,164,304

Northern Trust Company (London) - 630,531

Other - 63,417

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:

Please note the group has other holdings which are covered by exemptions

14. Contact name:

Rosalind McDonald

15. Contact telephone number:

01491 417404





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