Transaction in Own Shares

31 July 2008

                        Keller Group plc (the Company)                         

   Transfer of Shares from Treasury to satisfy Performance Share Plan awards   

Keller Group plc announces that on 30 July 2008 it transferred 16,250 of its
ordinary shares of 10p each out of Treasury to satisfy awards under the Keller
Group Performance Share Plan 2004 previously approved by shareholders.

Following the transfer of these shares, the Company holds 1,216,250 of its
shares in Treasury (of which, 118,750 were purchased specifically to satisfy
Performance Share Plan Awards) and has 65,101,985 ordinary shares in issue
excluding Treasury shares.

Jackie Holman

Company Secretary