Transaction in Own Shares

5 September 2008

                       Keller Group plc ("the Company")                        

 Transfer of Shares from Treasury to satisfy Performance Share Plan awards   

Keller Group plc announces that on 4 September 2008 it transferred 37,000 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 1,115,750 of its
shares in Treasury (of which, 18,250 were purchased specifically to satisfy
Performance Share Plan Awards) and has 65,202,485 ordinary shares in issue
excluding Treasury shares.

Jackie Holman

Company Secretary