Net Asset Value(s)

INVESCO Asset Management Limited                        

HEADLINE: Net Asset Values

It is announced that at the close of business on 7 March 2007, 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     Debt at Par   1263.89       -   1278.84       -
plc                                                                          
                             Debt at Fair   1210.97           1225.93        
                                    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.