Holding(s) in Company

Keller Group plc ("the Company")                        

Keller Group plc was today notified that, as at 9th June 2006, Barclays PLC
through the following legal entities has a notifiable interest in 8,360,260
ordinary shares in the Company, which represents 12.79% of its issued ordinary
share capital.

Legal Entity                Holding                  Percentage Held           
                                                                               
Barclays Capital Securities 363,799                  0.5565                    
Ltd                                                                            
                                                                               
Gerrard Ltd                 9,025                    0.0138                    
                                                                               
Barclays Life Assurance Co  457,704                  0.7001                    
Ltd                                                                            
                                                                               
Barclays Global Investors   1,609,934                2.4627                    
Ltd                                                                            
                                                                               
Woolwich Unit Trust         255,610                  0.3910                    
Managers Ltd                                                                   
                                                                               
Barclays Bank Plc           24,524                   0.0375                    
                                                                               
Gerrard Ltd                 57,795                   0.0884                    
                                                                               
Barclays Funds Ltd          134,710                  0.2061                    
                                                                               
Barclays Global Investors   5,447,159                8.3325                    
Ltd