Holding(s) in Company

Ashtead Group plc

20 June 2008

                               ASHTEAD GROUP PLC                               

                            Ordinary Shares of 10p                             

Ashtead Group plc announces that it has been advised that on 18 June 2008,
Henderson Global Investors were interested in a total of 36,846,826 shares (or
7.057% of its share capital).

Enquiries:

Ashtead Group plc 020 7726 9740

Eric Watkins