Transaction in Own Shares

25 April 2008

                               Keller Group plc                                

                           Transaction in Own Shares                           

Keller Group plc (`Keller') announces that on 24 April 2008, it purchased
100,000 of its ordinary shares of 10p each (`Shares') at 685 pence per share
through Dresdner Kleinwort. All of these Shares will be held as Treasury
Shares.

This purchase equates to approximately 0.15 per cent of Keller's current issued
share capital excluding Treasury Shares prior to this purchase.

Following the purchase of these Shares, Keller holds 374,000 of its Shares in
Treasury (of which 174,000 Shares were purchased specifically to satisfy
Performance Share Plan awards) and has 65,930,235 Shares in issue excluding
Treasury Shares.

Jackie Holman

Company Secretary