TR-1: Standard form for notification of major holdings

    NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the                 
    FCA in Microsoft Word format if possible)i                                                   
                                                                                                 
    1a. Identity of the issuer or the underlying    Keller Group PLC                             
    issuer of existing shares to which voting       GB0004866223                                 
    rights are attachedii:                                                                       
                                                                                                 
    1b. Please indicate if the issuer is a non-UK issuer   (please mark with an "X"              
    if appropriate)                                                                              
                                                                                                 
    Non-UK issuer                                                                                
                                                                                                 
    2. Reason for the notification (please mark the appropriate box or boxes with                
    an "X")                                                                                      
                                                                                                 
    An acquisition or disposal of voting rights                                               X  
                                                                                                 
    An acquisition or disposal of financial instruments                                          
                                                                                                 
    An event changing the breakdown of voting rights                                             
                                                                                                 
    Other (please specify)iii:                                                                   
                                                                                                 
    3. Details of person subject to the notification obligationiv                                
                                                                                                 
    Name                                            Norges Bank                                  
                                                                                                 
    City and country of registered office (if       Oslo, Norway                                 
    applicable)                                                                                  
                                                                                                 
    4. Full name of shareholder(s) (if different from 3.)v                                       
                                                                                                 
    Name                                                                                         
                                                                                                 
    City and country of registered office (if                                                    
    applicable)                                                                                  
                                                                                                 
    5. Date on which the threshold was crossed or   18 August 2017                               
    reachedvi:                                                                                   
                                                                                                 
    6. Date on which issuer notified (DD/MM/YYYY):  21 August 2017                               
                                                                                                 
    7. Total positions of person(s) subject to the notification obligation                       
                                                                                                 
                          % of voting     % of voting rights  Total of both in  Total number of  
                        rights attached   through financial     % (8.A + 8.B)   voting rights of 
                       to shares (total      instruments                        issuervii        
                           of 8. A)       (total of 8.B 1 +                                      
                                                8.B 2)                                           
                                                                                                 
    Resulting               3.97 %              0.06 %             4.04 %       71,962,017       
    situation on the                                                                             
    date on which                                                                                
    threshold was                                                                                
    crossed or reached                                                                           
                                                                                                 
    Position of             4.22 %              0.04 %             4.26 %                        
    previous                                                                                     
    notification (if                                                                             
    applicable)                                                                                  
                                                                                                 

       

    8. Notified details of the resulting situation on the date on which the                           
    threshold was crossed or reachedviii                                                              
                                                                                                      
    A: Voting rights attached to shares                                                               
                                                                                                      
    Class/type of        Number of voting rightsix             % of voting rights                     
    shares                                                                                            
    ISIN code (if             Direct            Indirect              Direct             Indirect     
    possible)                (Art 9 of         (Art 10 of       (Art 9 of Directive     (Art 10 of    
                          Directive 2004/  Directive 2004/109/ 2004/109/EC) (DTR5.1)  Directive 2004/ 
                         109/EC) (DTR5.1)    EC) (DTR5.2.1)                               109/EC)     
                                                                                        (DTR5.2.1)    
                                                                                                      
    GB0004866223             2,859,108                                3.97 %                          
                                                                                                      
    SUBTOTAL 8. A                      2,859,108                               3.97 %                 
                                                                                                      
    B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC                    
    (DTR5.3.1.1 (a))                                                                                  
                                                                                                      
    Type of financial    Expiration Exercise/               Number of voting rights  % of voting      
    instrument           datex      Conversion Periodxi     that may be acquired if  rights           
                                                            the instrument is                         
                                                            exercised/converted.                      
                                                                                                      
    Shares on loan                  At any time                      45,218               0.06 %      
    (right to recall)                                                                                 
                                                                                                      
                                    SUBTOTAL 8. B 1                  45,218               0.06 %      
                                                                                                      
    B 2: Financial Instruments with similar economic effect according to Art. 13(1)                   
    (b) of Directive 2004/109/EC (DTR5.3.1.1 (b))                                                     
                                                                                                      
    Type of          Expiration     Exercise/       Physical or cash  Number of      % of voting      
    financial        datex          Conversion      settlementxii     voting rights  rights           
    instrument                      Period xi                                                         
                                                                                                      
                                                    SUBTOTAL 8.B.2                                    
                                                                                                      
                                                                                                      
                                                                                                      
                                                                                                      

       

    9. Information in relation to the person subject to the notification obligation               
    (please mark the                                                                              
    applicable box with an "X")                                                                   
                                                                                                  
    Person subject to the notification obligation is not controlled by any natural             X  
    person or legal entity and does not control any other undertaking(s) holding                  
    directly or indirectly an interest in the (underlying) issuerxiii                             
                                                                                                  
    Full chain of controlled undertakings through which the voting rights and/or                  
    the                                                                                           
    financial instruments are effectively held starting with the ultimate                         
    controlling natural person or legal entityxiv (please add additional rows as                  
    necessary)                                                                                    
                                                                                                  
            Namexv          % of voting rights if    % of voting rights      Total of both if it  
                           it equals or is higher     through financial      equals or is higher  
                             than the notifiable      instruments if it      than the notifiable  
                                  threshold          equals or is higher          threshold       
                                                     than the notifiable                          
                                                          threshold                               
                                                                                                  
    10. In case of proxy voting, please identify:                                                 
                                                                                                  
    Name of the proxy holder                                                                      
                                                                                                  
    The number and % of voting rights held                                                        
                                                                                                  
    The date until which the voting rights will be                                                
    held                                                                                          
                                                                                                  
    11. Additional informationxvi                                                                 
                                                                                                  

       

    Place of completion  London                                                              
                                                                                             
    Date of completion   21 August 2017                                                      
                                                                                             
    LEI Number           549300QO4MBL43UHSN10                                                
                                                                                             
    Classification       2.3 (Major shareholding notifications)