Holding(s) in Company

Ashtead Group plc

6 December 2011

                               ASHTEAD GROUP PLC                               

                             Holding(s) in Company                             

Ashtead Group plc announces it has been advised that on 5 December 2011 Old
Mutual Asset Managers (UK) Ltd were interested in a total of 22,027,603 shares
(or 4.38% of its share capital).

Enquiries:

Eric Watkins

Company Secretary

020 7726 9700