Net Asset Value(s)

Invesco Asset Management Limited                        

HEADLINE: Net Asset Values

It is announced that at the close of business on 11-November-10, the unaudited
net asset values per share (AIC basis) of the following investment trust
companies managed by Invesco Asset Management Limited are:-

Company                        NAVs with Debt at Par                        
                                    & Fair Value                            
                                                                            
                                Undiluted    Diluted   Undiluted   Diluted  
                                                                            
                                 Capital     Capital  Cum Income  Cum Income
                                                                            
                                 (pence)     (pence)    (pence)    (pence)  
                                                                            
                                                                            
Keystone          Debt at Par    1221.57                1247.32             
Investment Trust                                                            
plc                                                                         
                                                                            
                  Debt at Fair   1196.19                1221.94             
                     Value                                                  
                                                                            
                     Note 2                                                 
                                                                            

The above NAVs have been calculated using the fair value prices for the
underlying investments.

Notes:

2 The NAV above includes a provision for performance fee, where applicable.

12 November 2010

Invesco Asset Management Ltd

020 7065 4000


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