Net Asset Value(s)

Invesco Asset Management Limited                        

HEADLINE: Net Asset Values

It is announced that at the close of business on 1 May 2009 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    949.20       -    977.97       -
                                                                               
                               Debt at Fair    913.09            941.85        
                                      Value                                    
                                                                               
                                  Note 2, 3                                    
                                                                               
All the above NAVs have been calculated using the fair value prices for the
underlying investments.

Note:

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

3. NAV includes VAT recovered on management fees and interest thereon for the
period 2001 - 2007.

5 May 2009