Transaction in Own Shares

11 June 2008

                               Keller Group plc                                

                           Transaction in Own Shares                           

Keller Group plc (`Keller') announces that on 10 June 2008, it purchased 80,000
of its ordinary shares of 10p each (`Shares') at 613.6 pence per share through
Dresdner Kleinwort. All of these Shares will be held as Treasury Shares.

This purchase equates to approximately 0.12 per cent of Keller's current issued
share capital excluding Treasury Shares prior to this purchase.

Following the purchase of these Shares, Keller holds 569,000 of its Shares in
Treasury (of which 139,000 Shares were purchased specifically to satisfy
Performance Share Plan awards) and has 65,735,235 Shares in issue excluding
Treasury Shares.

Jackie Holman

Company Secretary