Holding(s) in Company

Keller Group plc ("the Company")                        

Keller Group plc was notified today that, as at 17th August 2006, Barclays PLC
through the following legal entities has a notifiable interest in 9,893,173
ordinary shares in the Company, which represents 15.05% of its issued ordinary
share capital.

Legal Entity                Holding                  Percentage Held           
                                                                               
Barclays Bank PLC           24,524                   0.0373                    
                                                                               
Gerrard Ltd                 59,495                   0.0905                    
                                                                               
Barclays Funds Ltd          112,361                  0.1709                    
                                                                               
Barclays Global Investors   6,548,890                9.9633                    
Ltd                                                                            
                                                                               
Gerrard Ltd                 9,070                    0.0138                    
                                                                               
Barclays Life Assurance Co  454,145                  0.6909                    
Ltd                                                                            
                                                                               
Barclays Global Investors   2,020,772                3.0743                    
Ltd                                                                            
                                                                               
Barclays Capital Securities 359,613                  0.5471                    
Ltd                                                                            
                                                                               
Woolwich Unit Trust         304,303                  0.4630                    
Managers Ltd