For filings with the FCA include the annex                                                                           
                                                                                                                         
    For filings with issuer exclude the annex                                                                            
                                                                                                                         
    TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi                                                                      
                                                                                                                         
    1. Identity of the issuer or the underlying issuer     Ashtead Group PLC                                             
    of existing shares to which voting rights are                                                                        
    attached: ii                                                                                                         
                                                                                                                         
    2 Reason for the notification (please tick the appropriate box or boxes):                                            
                                                                                                                         
    An acquisition or disposal of voting rights                                                  X                       
                                                                                                                         
    An acquisition or disposal of qualifying financial instruments which may result              ¨                       
    in the acquisition of shares already issued to which voting rights are attached                                      
                                                                                                                         
    An acquisition or disposal of instruments with similar economic effect to                    ¨                       
    qualifying financial instruments                                                                                     
                                                                                                                         
    An event changing the breakdown of voting rights                                             ¨                       
                                                                                                                         
    Other (please                                                                                ¨                       
    specify):                                                                                                            
                                                                                                                         
    3. Full name of person(s) subject to the                         BlackRock, Inc.                                     
    notification obligation: iii                                                                                         
                                                                                                                         
    4. Full name of shareholder(s)                                                                                       
     (if different from 3.):iv                                                                                           
                                                                                                                         
    5. Date of the transaction and date on                           14 October, 2016                                    
    which the threshold is crossed or                                                                                    
    reached: v                                                                                                           
                                                                                                                         
    6. Date on which issuer notified:                                17 October, 2016                                    
                                                                                                                         
    7. Threshold(s) that is/are crossed or                                                                               
    reached: vi, vii                                   Voting rights attached to shares holding for                      
                                                            BlackRock, Inc. has gone above 5%                            
                                                                                                                         
                                                                                                                         
                                                                                                                         
                                                                                                                         
    8. Notified details:                                                                                                 
                                                                                                                         
    A: Voting rights attached to shares viii, ix                                                                         
                                                                                                                         
    Class/type of    Situation previous        Resulting situation after the triggering transaction                      
    shares           to the triggering                                                                                   
                     transaction                                                                                         
    if possible                                                                                                          
    using            Number       Number       Number      Number of voting      % of  voting rights x                   
    the ISIN CODE    of           of           of shares   rights                                                        
                     Shares       Voting                                                                                 
                                  Rights       Direct      Direct xi  Indirect   Direct       Indirect                   
                                                                      xii                                                
                                                                                                                         
    GB0000536739     24,762,686   24,762,686   N/A         N/A        25,153,946 N/A          5.03%                      
                                                                                                                         
    B: Qualifying Financial Instruments                                                                                  
                                                                                                                         
    Resulting situation after the triggering transaction                                                                 
                                                                                                                         
    Type of financial       Expiration Exercise/               Number of voting        % of voting                       
    instrument              date xiii  Conversion Period xiv   rights that may be      rights                            
                                                               acquired if the                                           
                                                               instrument is                                             
                                                               exercised/ converted.                                     
                                                                                                                         
    Securities Lending                                         4,175,529               0.83%                             
                                                                                                                         
    C: Financial Instruments with similar economic effect to Qualifying Financial                                        
    Instruments xv, xvi                                                                                                  
                                                                                                                         
    Resulting situation after the triggering transaction                                                                 
                                                                                                                         
    Type of financial  Exercise   Expiration Exercise/     Number of voting rights  % of voting rights                   
    instrument         price      date xvii  Conversion    instrument refers to     xix, xx                              
                                             period xviii                                                                
                                                                                                                         
    CFD                                                    953,804                  Nominal      Delta                   
                                                                                                                         
                                                                                    0.19%        0.19%                   
                                                                                                                         
    Total (A+B+C)                                                                                                        
                                                                                                                         
    Number of voting rights                          Percentage of voting rights                                         
                                                                                                                         
    30,283,279                                       6.06%                                                               
                                                                                                                         
                                                                                                                         
                                                                                                                         
                                                                                                                         
    9. Chain of controlled undertakings through which the voting rights and/or the                                       
    financial instruments are effectively held, if applicable: xxi                                                       
                                                                                                                         
                                                                                                                         
    See Annex 1                                                                                                          
                                                                                                                         
    Proxy Voting:                                                                                                        
                                                                                                                         
    10. Name of the proxy holder:                                                                                        
                                                                                                                         
    11. Number of voting rights proxy holder will cease                                                                  
    to hold:                                                                                                             
                                                                                                                         
    12. Date on which proxy holder will cease to hold                                                                    
    voting rights:                                                                                                       
                                                                                                                         
                                                                                                                         
    13. Additional information:                  BlackRock Regulatory Threshold Reporting Team                           
                                                                                                                         
    14. Contact name:                            Jana Blumenstein                                                        
                                                                                                                         
    15. Contact telephone number:                020 7743 3650                                                           
                                                                                                                         
                                                                                                                         
                                                                                                                         
                                                                                                                         
    Annex 1                                                                                                              
                                                                                                                         
                                                                                                                         
                                                                                                                         
    Name                                   % of voting     % of voting rights Total of both                              
                                           rights if it    through financial  if it equals or                            
                                           equals or is    instruments if it  is higher than                             
                                           higher than the equals or is       the notifiable                             
                                           notifiable      higher than the    threshold                                  
                                           threshold       notifiable                                                    
                                                           threshold                                                     
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock Group Limited                                                                                              
                                                                                                                         
    BlackRock Advisors (UK) Limited                                                                                      
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock Holdco 4, LLC                                                                                              
                                                                                                                         
    BlackRock Holdco 6, LLC                                                                                              
                                                                                                                         
    BlackRock Delaware Holdings Inc.                                                                                     
                                                                                                                         
    BlackRock Fund Advisors                                                                                              
                                                                                                                         
    BlackRock Institutional Trust Company,                                                                               
    National Association                                                                                                 
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock Australia Holdco Pty. Ltd.                                                                                 
                                                                                                                         
    BlackRock Investment Management                                                                                      
    (Australia) Limited                                                                                                  
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock Group Limited                                                                                              
                                                                                                                         
    BlackRock Investment Management (UK)                                                                                 
    Limited                                                                                                              
                                                                                                                         
    BlackRock Asset Management Deutschland                                                                               
    AG                                                                                                                   
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock Group Limited                                                                                              
                                                                                                                         
    BlackRock International Limited                                                                                      
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock Holdco 4, LLC                                                                                              
                                                                                                                         
    BlackRock Holdco 6, LLC                                                                                              
                                                                                                                         
    BlackRock Delaware Holdings Inc.                                                                                     
                                                                                                                         
    BlackRock Fund Advisors                                                                                              
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         BlackRock Group Limited                                                                                              
                                                                                                                         
    BlackRock Investment Management (UK)                                                                                 
    Limited                                                                                                              
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock (Singapore) Holdco Pte. Ltd.                                                                               
                                                                                                                         
    BlackRock Asia-Pac Holdco, LLC                                                                                       
                                                                                                                         
    BlackRock HK Holdco Limited                                                                                          
                                                                                                                         
    BlackRock Cayco Limited                                                                                              
                                                                                                                         
    BlackRock Trident Holding Company                                                                                    
    Limited                                                                                                              
                                                                                                                         
    BlackRock Japan Holdings GK                                                                                          
                                                                                                                         
    BlackRock Japan Co., Ltd.                                                                                            
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock Holdco 3, LLC                                                                                              
                                                                                                                         
    BlackRock Canada Holdings LP                                                                                         
                                                                                                                         
    BlackRock Canada Holdings ULC                                                                                        
                                                                                                                         
    BlackRock Asset Management Canada                                                                                    
    Limited                                                                                                              
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    Trident Merger, LLC                                                                                                  
                                                                                                                         
    BlackRock Investment Management, LLC                                                                                 
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock Group Limited                                                                                              
                                                                                                                         
    BlackRock (Netherlands) B.V.                                                                                         
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock Capital Holdings, Inc.                                                                                     
                                                                                                                         
    BlackRock Advisors, LLC                                                                                              
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock (Singapore) Holdco Pte. Ltd.                                                                               
                                                                                                                         
    BlackRock Asia-Pac Holdco, LLC                                                                                       
                                                                                                                         
    BlackRock HK Holdco Limited                                                                                          
                                                                                                                         
    BlackRock Asset Management North Asia                                                                                
    Limited                                                                                                              
                                                                                                                         
    BlackRock, Inc.                                                                                                      
                                                                                                                         
    BlackRock Holdco 2, Inc.                                                                                             
                                                                                                                         
    BlackRock Financial Management, Inc.                                                                                 
                                                                                                                         
    BlackRock International Holdings, Inc.                                                                               
                                                                                                                         
    BR Jersey International Holdings L.P.                                                                                
                                                                                                                         
    BlackRock (Singapore) Holdco Pte. Ltd.                                                                               
                                                                                                                         
    BlackRock (Singapore) Limited