Net Asset Value(s)

INVESCO Asset Management Limited                        

HEADLINE: Net Asset Values

It is announced that at the close of business on 1 December 2006 the unaudited
net asset values per share (AIC basis) of the following investment trust
companies managed by INVESCO Asset Management Limited are:-

                                           NAVs with Debt at Par & Fair Value 
                                                                              
Company                                    Undiluted Diluted Undiluted Diluted
                                                                              
                                             Capital Capital       Cum     Cum
                                                                              
                                                                Income  Income
                                                                              
                                             (pence) (pence)   (pence) (pence)
                                                                              
                                      
                                                                              
Keystone Investment Trust plc  Debt at Par   1240.82       -   1248.14       -
                                                                              
                                   Debt at   1185.97           1193.30        
                                Fair Value                                    
                                                                              
                                 Note 3                                       
                                  

All the above NAVs have been calculated using the fair value (bid) prices for
the underlying investments.

Note:


3. The NAVs above include a provision for performance fee where applicable.

4 December 2006