Transfer of Treasury Shares

6 March 2018

The Weir Group PLC

LEI Number: 549300KDR56WHY9I3D10

Transfer of Treasury Shares

The Weir Group PLC ("the Company") announces that on 5 March 2018, 262,590 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 211,322 ordinary shares in treasury and has 224,479,706 ordinary shares in issue (excluding shares held as treasury shares).

Therefore, the total number of voting rights in the Company is 224,479,706 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.

Christopher Morgan

Company Secretary

Telephone: 0141 308 3771