Director/PDMR Shareholding

Announcement of Director's interests in securities by Alliance Trust PLC       
                                                                               
Director's interests in securities                                             
                                                                               
Name of Company                    Alliance Trust PLC                          
                                                                               
Name of Director                   Lesley Knox                                 
                                                                               
Type of Transaction                Increase in beneficial interest following   
                                   purchase of shares (within ISA pursuant to  
                                   regular standing instruction).              
                                                                               
Reason for Notification            A transaction required to be notified in    
                                   accordance with DTR 3.1.4R(1) (a)           
                                                                               
Class of Security                  Ordinary 2.5p shares                        
                                                                               
Name of registered holder          Alliance Trust Savings Nominees Limited     
                                                                               
Number of shares                   217                                         
                                                                               
Price per share                    £2.6425                                     
                                                                               
Date and place of transaction      10 July 2009. UK.                           
                                                                               
Date Company Notified              13 July 2009.                               
                                                                               
Total share interests following    144,110                                     
this information:                                                              
                                                                               
Total percentage of issued class   0.021% (all interests)                      
                                                                               
This notification does not relate to dealings by persons otherwise connected   
with the named director.                                                       
                                                                               
Name of contact                    Ian Anderson                                
                                                                               
Telephone Number                   [phone]                          
                                                                               
Date of notification               13 July 2009.