Director/PDMR Shareholding

CRH PLC
30 March 2006

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



All relevant boxes should be completed in block capital letters.

1. Name of the issuer

CRH plc

2. State whether the notification relates to (i) a transaction notified in
accordance with the Market Abuse Rules; (ii) a disclosure made in accordance
with section 53 (as extended by section 64) of the Companies Act 1990 or entered
into the issuer's register in accordance with section 59 of the Companies Act
1990; or  (iii) both (i) and (ii).

both (i) and (ii)

3. Name of person discharging managerial responsibilities/director

William I. O'Mahony

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

No

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

William I. O'Mahony

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

Ordinary shares of €0.32 each

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

William I. O'Mahony                           418,279
Arnolda L. O'Mahony                           242,057
AC Employee Benefit Trustees Limited          1,814

8 State the nature of the transaction

Exercise of options

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

164,670

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

-

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

-

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

-

13. Price per share or value of transaction
€6.5347

14. Date and place of transaction

30th March 2006, Dublin

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

662,150

16. Date issuer informed of transaction

30th March 2006

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

17 Date of grant

....................................

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

....................................

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

....................................

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

....................................

....................................

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

....................................

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

....................................

23. Any additional information

....................................

24. Name of contact and telephone number for queries

Neil Colgan
[phone]

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



Neil Colgan

Assistant Company Secretary

Date of notification

30th March 2006



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