Net Asset Value(s)

Invesco Asset Management Limited                        

HEADLINE: Net Asset Values

It is announced that at the close of business on 4 June 2010, the unaudited net
asset values per share (AIC basis) of the following investment trust companies
managed by Invesco Asset Management Limited were:-

                                            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   1104.78       -   1115.49       -
                                                                               
                               Debt at Fair   1085.83           1096.54        
                                      Value                                    
                                                                               
                                     Note 2                                    
                                                                               
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.

7 June 2010