Director/PDMR Shareholding

Hiscox PLC
18 April 2006


NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL
RESPONSIBILITY OR CONNECTED PERSONS

This form is intended for use by an issuer to make a RIS notification required
by DR 3.1.4R(1).

(1)  An issuer making a notification in respect of a transaction relating to the
     shares or debentures of the issuer should complete boxes 1 to 16, 23 and
     24.
(2)  An issuer making a notification in respect of a derivative relating to the
     shares of the issuer should complete boxes 1 to 4, 6, 8, 13, 14, 16, 23 and
     24.
(3)  An issuer making a notification in respect of options granted to a director
     /person discharging managerial responsibilities should complete boxes 1 to
     3 and 17 to 24.
(4)  An issuer making a notification in respect of a financial instrument
     relating to the shares of the issuer (other than a debenture) should
     complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24.

Please complete all relevant boxes in block capital letters.

1. Name of the issuer

HISCOX PLC

2. State whether the notification relates to:

(i) a transaction notified in accordance with DR 3.1.4R(1)(a); or

(ii) DR 3.1.4(R)(1)(b) (being a disclosure made in accordance with section 324
(as extended by section 328) of the Companies Act 1985 or entered into the
issuer's register in accordance with section 325(3) or (4) of the Companies Act
1985; or

(iii) both (i) and (ii).

(ii)

3. Name of person discharging managerial responsibilities/director

R R S HISCOX

4. State whether notification relates to a person connected with a person
discharging managerial responsibilities/director named in 3 and identify the
connected person

As 3

5. Indicate whether the notification is in respect of a holding of the person
referred to in 3 or 4 above or in respect of a non-beneficial interest

AS 3

6. Description of shares (including class), debentures or derivatives or
financial instruments relating to shares

ORDINARY SHARES OF 5P EACH

7. Name of registered shareholders(s) and, if more than one, the number of
shares held by each of them

SINJUL NOMINEES LIMITED

8 State the nature of the transaction

PURCHASE

9. Number of shares, debentures or financial instruments relating to shares
acquired

3,000

10. Percentage of issued class acquired (treasury shares of that class should
not be taken into account when calculating percentage)

LESS THAN 0.01%

11. Number of shares, debentures or financial instruments relating to shares
disposed

N/A

12. Percentage of issued class disposed (treasury shares of that class should
not be taken into account when calculating percentage)

N/A

13. Price per share or value of transaction

£2.3256

14. Date and place of transaction

13 APRIL 2006, LONDON

15. Total holding following notification and total percentage holding following
notification (any treasury shares should not be taken into account when
calculating percentage)

9,395,065 (2.40%)

16. Date issuer informed of transactions

13 APRIL 2006

If a person discharging managerial responsibilities has been granted options by
the issuer complete the following boxes

17 Date of grant

N/A

18. Period during which or date on which it can be exercised

N/A

19. Total amount paid (if any) for grant of the option

N/A

20. Description of shares or debentures involved (class and number)

N/A

21. Exercise price (if fixed at time of grant) or indication that price is to be
fixed at the time of exercise

N/A

22. Total number of shares or debentures over which options held following
notification

N/A

23. Any additional information

THE EXECUTIVE DIRECTORS OF THE COMPANY ARE POTENTIAL BENEFICIARIES OF THE HISCOX
EMPLOYEES' SHARE OWNERSHIP PLAN TRUST (THE 'ESOP') AND ARE THEREFORE EACH DEEMED
TO HAVE AN INTEREST IN THE 135,782 HISCOX SHARES OWNED BY HISCOX TRUSTEES
LIMITED, THE TRUSTEE OF THE ESOP.

R.R.S HISCOX HAS A FURTHER NON-BENEFICIAL INTEREST 580,237 SHARES REPRESENTING
0.15%

24. Name of contact and telephone number for queries

DAVID TAYLOR, 020 7448 6791

Name and signature of duly authorised officer of issuer responsible for making
notification

S J BRIDGES

Date of notification

18 APRIL 2006




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