Transaction in Own Shares

Weir Group PLC
28 September 2005


28 September 2005

                               The Weir Group PLC
                             ----------------------

                             Purchase of own shares
                             ----------------------

The Weir Group PLC ('Weir') announces that it has purchased the following number
of its ordinary shares of 12.5p each on the London Stock Exchange via Dresdner
Kleinwort Wasserstein.

Date of purchase:                        28.09.2005

Number of ordinary shares purchased:     100,000

Price paid:                              375.5p


Weir intends to hold the purchased shares in treasury.

Following the purchase of these shares, Weir holds 3,079,966 of its ordinary
shares in treasury and has 205,407,119 ordinary shares in issue (excluding
treasury shares).



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