Holding(s) in Company

Keller Group plc ("the Company")                        

                     Section 198 of the Companies Act 1985                     

Following the Directors `Holding in Company' announcement released on 27 April
2006, Keller Group plc has today been advised that Terratest Tecnicas
Especiales, S.A. holds an interest in 3,691,985 ordinary shares in the Company
representing 5.63% of the Company's issued share capital.