Holding(s) in Company

Ashtead Group plc

20th November 2006

                               ASHTEAD GROUP PLC                               

                            Ordinary Shares of 10p                             

Ashtead Group plc announces it has been advised by UBS AG that as at 16th
November 2006, UBS AG, acting through its business group and legal entities
detailed below, had a material interest in a total of 17,267,062 (or 3.10%) of
its share capital.

UBS Global Asset Management Life Limited             778,380
                                                            
UBS AG (Switzerland)                              16,488,682
                                                            
                                                  17,267,062