Transfer of Treasury Shares

5 May 2017

The Weir Group PLC

Transfer of Treasury Shares

The Weir Group PLC ("the Company") announces that on 5 May 2017, 38,249 ordinary shares of 12.5p each held as treasury shares were transferred at nil cost to Estera Trust (Jersey) Limited to be used to satisfy the vesting of awards granted under The Weir Group PLC Long Term Incentive Plan 2014.

Following the above transfer, the Company now holds 522,707 ordinary shares in treasury and has 217,918,948 ordinary shares in issue (excluding shares held as treasury shares).

Therefore, the total number of voting rights in the Company is 217,918,948 which is the figure that 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 Company under the Financial Conduct Authority's Disclosure and Transparency Rules.

For further information please contact:

Christopher Morgan

Company Secretary

The Weir Group PLC

Tel: 0141 308 3771