Weir Group Regulatory News (WEIR)

1.

Name of the issuer

THE WEIR GROUP PLC

2.

State whether the notification relates to (i) a transaction notified in accordance with DR 3.1.2R;

(ii) a disclosure made in accordance with LR 9.8.6R(1) or

(iii) a disclosure made in accordance with section 793 of the Companies Act 2006.

(i)

3.

Name of person discharging managerial responsibilities/director

ALAN MITCHELSON

4.

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

ANNE MITCHELSON

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

HOLDING IN RESPECT OF THE PERSON NAMED IN 3

6.

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

ORDINARY SHARES OF 12.5P EACH

7.

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

ALAN MITCHELSON

8.

State the nature of the transaction

TRANSFER OF SHARES TO SPOUSE

9.

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

N/A

10.

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

N/A

11.

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

128,162

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

NIL

14.

Date and place of transaction

24 NOVEMBER 2010, LONDON

15.

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

ALAN MITCHELSON - 6,197

ANNE MITCHELSON - 174,102

16.

Date issuer informed of transaction

25 NOVEMBER 2010

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

FRANCES MCCAW

0141 308 3737

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

………………FRANCES MCCAW………………………………………………

Date of notification ……………25 November 2010…………...……………………..