Holding(s) in Company

TR-1 (i) NOTIFICATION OF MAJOR INTERESTS IN SHARES               

1. Identity of the issuer or the underlying issuer of  Keystone Investment     
existing shares to which voting rights are attached    Trust plc               
(ii):                                                                          

2. Reason for the notification                                                 
                                                                               
An acquisition or disposal of voting rights                       X            
                                                                               
An acquisition or disposal of financial instruments                            
which may                                                                      
                                                                               
result in the acquisition of shares already issued to                          
which voting                                                                   
                                                                               
rights are attached                                                            
                                                                               
An event changing the breakdown of voting rights                               
                                                                               
Other (please specify):                                                        

3.Full name of person(s) subject to the notification   Legal & General Group   
obligation (iii):                                      Plc (L&G)               
                                                                               
4.Full name of shareholder(s) (if different from 3.)   N/A                     
(iv):                                                                          
                                                                               
5.Date of the transaction (and date on which the       31 May 2013             
threshold is                                                                   
                                                                               
crossed or reached if different) (v):                                          
                                                                               
6.Date on which issuer notified:                       4 June 2013             
                                                                               
7.Threshold(s) that is/are crossed or reached:         Below 3%                
                                                                               
8.Notified details:                                                            

A: Voting rights attached to shares

Class/type of  Situation previous to  Resulting situation after the triggering 
shares if         the triggering                 transaction (vii)             
possible using   transaction (vi)                                              
the ISIN CODE                                                                  
                                                                               
               Number of  Number of   Number  Number of voting   % of voting   
                 Shares     Voting      of         rights           rights     
                            Rights    shares                                   
                            (viii)                  (ix)                       
                                                                               
                                              Direct  Indirect Direct  Indirect
                                                (x)     (x)                    
                                                                               
GB0004912068    411,261    411,261   Below 3%                                  
                                                                               
Ordinary       At 20/05/  At 20/05/                                            
Shares            2013       2013                                              

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of        Expiration  Exercise/Conversion    Number of voting      % of   
financial     date (xiii)   Period/Date (xiv)    rights that may be    voting  
instrument                                        acquired if the      rights  
                                                   instrument is               
                                                exercised/converted            
                                                                               

Total (A+B)                                                                    
                                                                               
Number of voting rights                 % of voting rights                     
                                                                               
                                        Below 3%                               

9.Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable (xv):

Legal & General Group Plc (Direct and Indirect)(Group)                         
                                                                               
Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and   
Indirect)                                                                      
                                                                               
Legal & General Investment Management Limited (LGIM) (Indirect)                
                                                                               
Legal & General Group Plc (Direct)(L&G)(Below 3%=LGAS, LGPL & PMC)             
                                                                               
Legal & General Investment Management (Holdings) Limited (Direct)(LGIMHD)      
                                                                               
Legal & General Insurance Holdings Limited (Direct)(LGIH)                      
                                                                               
Legal & General Assurance (Pensions Management) Limited (PMC)                  
                                                                               
Legal & General Assurance Society Limited (LGAS & LGPL)                        
                                                                               
Legal & General Pensions Limited (Direct)(LGPL)                                

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:                         Notification using total    
                                                   voting rights of 13,443,799 
                                                                               
14.Contact name:                                   Paul Griggs                 
                                                                               
                                                   Invesco Asset Management    
                                                   Limited.                    
                                                                               
15.Contact telephone number:                       0207 065 4517