Holding(s) in Company

For filings with the FCA include the annex                                    
                                                                              
For filings with issuer exclude the annex                                     
                                                                              
                                                                              
                                                                              
TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES i                              
                                                                              

 

1. Identity of the issuer or the underlying issuer of existing shares     
to which voting rights are attached: Keller Group plc  
                                                                                 

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 notification   Franklin Templeton       
obligation: iii                                         Institutional, LLC       
                                                                                 
                                                        Bank of New York         
                                                                                 
                                                        JP Morgan Chase Bank,    
                                                        N.A.                     
                                                                                 
                                                        Mellon Bank, N.A.        
4. Full name of shareholder(s)                                                   
                                                        National Westminster Bank
(if different from 3.): iv                              Plc                      
                                                                                 
                                                        The Northern Trust       
                                                        Company                  
                                                                                 
                                                        State Street Bank and    
                                                        Trust Company            
                                                                                 
5. Date of the transaction and date on which the        May 6, 2015              
threshold is crossed or reached: v                                               
                                                                                 
6. Date on which issuer notified:                       May 7, 2015              
                                                                                 
7. Threshold(s) that is/are crossed or                                           
                                                        4%                       
reached: vi, vii                                                                 
                                                                                 

8. Notified details:                                                          
                                                                              
A: Voting rights attached to shares viii, ix                                  
                                                                              
Class/type of  Situation previous  Resulting situation after the triggering   
shares         to the triggering   transaction                                
               transaction                                                    
                                                                              
if possible    Number    Number    Number  Number of voting  % of  voting     
using          of        of        of      rights            rights x         
the ISIN CODE  Shares    Voting    shares                                     
                         Rights                                               
                                   Direct  Direct  Indirect  Direct  Indirect 
                                           xi      xii                        
                                                                              
Ordinary .1                                                                   
               7,026,927 7,026,927                 3,557,757         4.96%    
GB0004866223                                                                  
                                                                              


B: Qualifying Financial Instruments                                           
                                                                              
Resulting situation after the triggering transaction                          
                                                                              
Type of financial  Expiration  Exercise/   Number of voting       % of voting 
instrument         date xiii   Conversion  rights that may be     rights      
                               Period xiv  acquired if the                    
                                           instrument is                      
                                           exercised/ converted.              
                                                                          
                                                                            
                                                                             
C: Financial Instruments with similar economic effect to Qualifying Financial 
Instruments xv, xvi                                                           
                                                                              
Resulting situation after the triggering transaction                          
                                                                              
Type of       Exercise Expiration Exercise/  Number of     % of voting rights 
financial     price    date xvii  Conversion voting        xix, xx            
instrument                        period     rights                           
                                  xviii      instrument                       
                                             refers to                        
                                                                              
                                                            Nominal    Delta  
                                                                              
                                                                              
                                                                              
Total (A+B+C)                                                                 
                                                                              
Number of voting rights             Percentage of voting rights               
                                                                              
3,557,757                            4.96%                                    
                                                                              

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: xxi                
                                                                              
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           Notification using the total voting rights figure of 
information:             71,774,788                                           
                                                                              
                                                                
14. Contact name:        Kerry Porritt                                                     
                         Group Company Secretary                              
                                                                              
15. Contact telephone     [phone]                                       
number: