Total Voting Rights

The Weir Group PLC

Total Voting Rights and Share Capital

1 June 2011

In conformity with Disclosure and Transparency Rule 5.6.1, The Weir Group PLC would like to notify the market of the following:

As at today's date, the Weir Group PLC's capital consists of 213,044,444 ordinary shares of 12.5p with voting rights. There are 1,726,892 ordinary shares held in treasury.

Therefore the total number of voting rights in The Weir Group PLC is 211,317,552.

The above figure (211,317,552) may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, The Weir Group PLC under the Disclosure and Transparency Rules.

For further information contact:

Frances McCaw

Assistant Company Secretary

The Weir Group PLC

Registered office:

Clydesdale Bank Exchange

20 Waterloo Street

Glasgow

G2 6DB

Tel: 0141 308 3737