Transaction in Own Shares

30 April 2008

                        Keller Group plc (the Company)                         

 1. Transfer of Shares from Treasury to satisfy Performance Share Plan awards
   
 2. Total Voting Rights - Update
   
Keller Group plc (`the Company') announces that on 29 April 2008 it transferred
2,500 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, and in accordance with the FSA's
Disclosure and Transparency Rules, the Company advises that, as at 30 April
2008, its capital consists of 65,938,985 ordinary shares with voting rights and
365,250 shares held in Treasury.

Accordingly, the total number of voting rights in the Company's ordinary shares
is 65,938,985.

The above number may be used by shareholders as the denominator for the
calculations by which they will determine if they are required to notify their
interest in, or a change to their interest in, the Company under the FSA's
Disclosure and Transparency Rules.

Jackie Holman

Company Secretary