Holding(s) in Company

For filings with the FSA 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                                      
of existing shares to which voting rights are                           Keller Group Plc
attached:ii                                                                             
                                                                                        
2 Reason for the notification (please tick the appropriate box or boxes):               
                                                                                        
An acquisition or disposal of voting rights                                          YES
                                                                                        
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         JPMorgan Asset Management Holdings Inc.
notification obligation:iii                                                             
                                                                                        
4. Full name of shareholder(s)                    JPMorgan Asset Management (UK) Limited
 (if different from 3.):iv                                                              
                                                                                        
                                                                                        
5. Date of the transaction and date on                                                  
which the threshold is crossed or                                        19 August  2009
reached: v                                                                              
                                                                                        
6. Date on which issuer notified:                                        20 August  2009
                                                                                        
7. Threshold(s) that is/are crossed or                                        5% upwards
reached: vi, vii                                                                        
                                                                                        


 

8. Notified details:                                                                                
                                                                                                    
A: Voting rights attached to shares viii, ix                                                        
                                                                                                    
Class/type   Situation previous         Resulting situation after the triggering transaction        
of           to the triggering                                                                      
shares       transaction                                                                            
                                                                                                    
             Number         Number      Number     Number of voting          % of  voting           
if possible  of             of          of shares  rights                    rights x               
using        Shares         Voting                                                                  
the ISIN                    Rights      Direct     Direct xi      Indirect   Direct    Indirect     
CODE                                                              xii                               
                                                                                                    
GB0004866223 3,196,219      3,196,219                             3,241,780            5.057%       
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
B: Qualifying Financial Instruments                                                                 
                                                                                                    
Resulting situation after the triggering transaction                                                
                                                                                                    
Type of        Expiration     Exercise/             Number of voting             % of voting        
financial      date xiii      Conversion Period xiv rights that may be           rights             
instrument                                          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 voting rights      % of voting          
financial     price         date xvii  Conversion instrument refers to         rights xix, xx       
instrument                             period                                                       
                                       xviii                                                        
                                                                                                    
                                                                               Nominal   Delta      
CFD                                               3,345                                             
                                                                               0.005%               
                                                                                                    
                                                                                                    
                                                                                                    
Total (A+B+C)                                                                                       
                                                                                                    
Number of voting rights                  Percentage of voting rights                                
                                                                                                    
                                                                                                    
                                                                                                    
3,245,125                                5.063%                                                     
                                                                                                    


 

9. Chain of controlled undertakings through which the voting rights and/or the          
financial instruments are effectively held, if applicable: xxi                          
                                                                                        
Total disclosable holding for JPMorgan Asset Management Holdings Inc :                  
                                                                                        
JPMorgan Asset Management (UK) Limited: 3,245,125 (5.063%)                              
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
Proxy Voting:                                                                           
                                                                                        
10. Name of the proxy holder:                                                        N/A
                                                                                        
11. Number of voting rights proxy holder will cease                                  N/A
to hold:                                                                                
                                                                                        
12. Date on which proxy holder will cease to hold                                    N/A
voting rights:                                                                          
                                                                                        
                                                                                        
                                                                                        
                                                                                     N/A
13. Additional information:                                                             
                                                                                        
14. Contact name:                                                             Jay Supaya
                                                                                        
15. Contact telephone number:                                              020 7325 4513