CORRECTION: Net Asset Value(s)

Invesco Asset Management Limited

HEADLINE: Net Asset Values

At 15:23 today an announcement of Net Asset Values was made which inadvertently
was a duplicate of the announcement made on 15 March.

At the close of business on 15 March 2011 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    1207.53               1225.86             
Investment Trust                                                            
plc                                                                         
                                                                            
                   Debt at Fair   1184.36               1202.69             
                      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.

16 March 2011

Invesco Asset Management Ltd

020 7065 4000