Transaction in Own Shares

22 April 2008

                        Keller Group plc (the Company)                         

   Transfer of Shares from Treasury to satisfy Performance Share Plan awards   

Keller Group plc announces that on 21 April 2008 it transferred 32,000 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 174,000 of its shares
in Treasury and has 66,130,235 ordinary shares in issue excluding Treasury
shares.

Jackie Holman

Company Secretary