Holding(s) in Company

Ashtead Group plc

11 March 2011

                               ASHTEAD GROUP PLC                               

                             Holding(s) in Company                             

Ashtead Group plc announces it has been advised that on 11th March 2011 Baillie
Gifford & Co were indirectly interested in 25,200,502 shares (or 5.01% of its
share capital).

Enquiries:

Eric Watkins

Company Secretary

020 7726 9700