Block listing return

Hiscox PLC
05 September 2006


                        BLOCKLISTING SIX MONTHLY RETURN

Information provided on this form must be typed or printed electronically.

To: The FSA

Date: 5 September 2006

1. Name of applicant:

Hiscox plc

2. Name of scheme

Share Option Scheme

3. Period of return:

From   1 August 1998              To   17 August 2006

4. Balance under scheme from previous return:

3,269,086

5. The amount by which the block scheme has been increased, if the scheme has
been increased since the date of the last return

N/A

6. Number of securities issued/allotted under scheme during period:

3,269,086

7 Balance under scheme not yet issued/allotted at end of period

NIL

8. Number and class of securities originally listed and the date of admission

6,000,000 Ordinary shares of 5p each on 1 August 1997

9. Total number of securities in issue at the end of the period

290,841,668

Name of contact   David Taylor

Address of contact   1 Great St Helen's, London, EC3A 6HX

Telephone number of contact   020 7448 6791

Signed by ......S J Bridges..................

Director/company secretary/suitably experienced employee/duly authorised
officer, for and on behalf of

Name of applicant   Hiscox plc

If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.




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