Net Asset Value(s)

Invesco Asset Management Limited                        

HEADLINE: Net Asset Values

It is announced that at the close of business on 27-Oct -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    1211.10               1236.16              
Investment Trust                                                            
plc                                                                         
                                                                            
                  Debt at Fair   1185.72               1210.78              
                     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.

28 October 2010