Holding(s) in Company

Ashtead Group plc

16 June 2011

                               ASHTEAD GROUP PLC                               

                             Holding(s) in Company                             

Ashtead Group plc announces it has been advised that on 15 June 2011 Old Mutual
Asset Managers (UK) Ltd were interested in a total of 25,588,865 shares (or
5.08% of its share capital).

Enquiries:

Eric Watkins

Company Secretary

020 7726 9700