Transaction in Own Shares

Hiscox Ltd
27 September 2007


                                   HISCOX Ltd

                               Buyback of shares

Hamilton, Bermuda: Hiscox Ltd ('Hiscox') announces that yesterday it purchased 
839,699 ordinary shares of 5p each to hold in treasury. The highest price paid 
per share was 256.5p, the lowest price paid was 248.25p and the average price 
paid was 253.41p per share. Following the above purchases Hiscox holds 839,699 
ordinary shares as treasury shares and has 396,343,356 ordinary shares in issue 
(excluding the treasury shares).

These purchases represent the commencement of an ongoing share purchase
programme by Hiscox.

                                     -ends-


For further information:

Hiscox Ltd

Robin Mehta, Company Secretary                     [phone]
Kylie O'Connor, Head of Communications, London     [phone]

Maitland

Suzanne Bartch                                     [phone]
Richard Farnsworth                                 [phone]


Notes to editors

About Hiscox

Hiscox, headquartered in Bermuda, is a specialist insurance group listed on the
London Stock Exchange. There are three main underwriting parts of the Group -
Hiscox Global Markets, Hiscox UK and Europe, and Hiscox International.  Hiscox
Global Markets underwrites mainly internationally traded business in the London
Market - generally large or complex business which needs to be shared with other
insurers or needs the international licences of Lloyd's. Hiscox UK and Hiscox
Europe offer a range of specialist insurance for professionals and business
customers, as well as high net worth individuals. Hiscox International includes
operations in Bermuda, Guernsey and the USA. Hiscox Insurance Company Ltd,
Hiscox Underwriting Ltd and Hiscox Syndicates Ltd are authorised and regulated
by the Financial Services Authority.

For further information, visit www.hiscox.com







                      This information is provided by RNS
            The company news service from the London Stock Exchange