Ashtead Group PLC

    20th June 2017

                             Director / PDMR Shareholding                          

    Ashtead Group plc (the "Company") announces that on 19th June 2017 it made the
    annual awards for 2017 to 193 senior executives under its Performance Share
    Plan ("PSP").

    Awards under the PSP comprise the conditional right to receive ordinary shares
    of 10p each, which for the directors ordinarily vest on the fifth anniversary
    of grant for awards made on and after 2017. Vesting of awards is subject to
    continued employment and the achievement of challenging performance targets set
    by the Remuneration Committee.  The Company intends to utilise shares held by
    the Group's Employee Share Ownership Trust to fulfil any obligations to award
    shares to employees, which may arise.

    The following awards were made to the executive directors and PDMRs:

    Director                                       Number of ordinary 10p    
                                                                             
                                                 shares covered by the award 
                                                                             
    Geoff Drabble                                          97,287            
                                                                             
    Sat Dhaiwal                                            26,195            
                                                                             
    Brendan Horgan                                         66,108            
                                                                             
    Suzanne Wood                                           46,591            
                                                                             
    Kurt Kenkel        *                                    17,300           
                                                                             
    Russ Brown         *                                    16,527           
                                                                             
    Francis            *                                    16,527           
    Hassis                                                                   
                                                                             
    Tim Robinette      *                                    8,880            
                                                                             
    Phil Parker        **                                   5,395            

    The exercise price for the above awards is GBP1 for all ordinary shares to
    which the award relates.  No consideration was paid for the grant of any of
    these awards.

    The Company further announces that the awards made to its executive directors
    and PDMRs in June 2014 vested on 19th June 2017.

    As a result of the vesting of the 2014 award the directors and PDMRs received
    the following number of ordinary 10p shares:

    Geoff Drabble                                       111,314              
                                                                             
    Sat Dhaiwal                                          27,794              
                                                                             
    Brendan Horgan                                       46,683              
                                                                             
    Suzanne Wood                                         45,834              
                                                                             
    Kurt Kenkel                                          22,486              
                                                                             
    Russ Brown                                           21,474              
                                                                             
    Francis Hassis                                       21,474              
                                                                             
    Tim Robinette                                        4,319               

    The directors and PDMRs sold these ordinary 10p shares on 19th June 2017 at
    1,622 pence per share.

    The directors' total shareholdings are:

                                 Number of ordinary       Percentage of issued  
                                     10p shares              Share capital      
                                                                                
    Geoff Drabble                      1,334,159                  0.27          
                                                                                
    Sat Dhaiwal                        150,000                    0.03          
                                                                                
    Brendan Horgan                     493,874                    0.10          
                                                                                
    Suzanne Wood                       208,805                    0.04          

    *     Sunbelt Rentals' operational executives

    **   A Plant's finance director

    Contact:

    Eric Watkins, General Counsel. Tel: 020 7726 9740