Net Asset Value(s)

INVESCO Asset Management Limited                        

HEADLINE: Net Asset Values

It is announced that at the close of business on 17 August 2006, the unaudited
net asset values per share (AITC 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   1188.55       -   1208.68       -
                                                                               
                               Debt at Fair   1140.12           1160.25        
                                      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.

18 August 2006