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 Select SIPP pursuant to regular standing instruction) by
                                                  child.                                                          
                                                                                                                  
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                                  78                                                              
                                                                                                                  
Price per share                                   £2.93                                                           
                                                                                                                  
Date and place of transaction                     05 August 2009. UK.                                             
                                                                                                                  
Date Company Notified                             06 August 2009.                                                 
                                                                                                                  
Total share interests following this information: 144,434                                                         
                                                                                                                  
Total percentage of issued class                  0.0215% (all interests)                                         
                                                                                                                  
This notification does not relate to dealings by persons otherwise connected                                      
with the named director.                                                                                          
                                                                                                                  
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Name of contact                                   Ian Anderson                                                    
                                                                                                                  
Telephone Number                                  [phone]                                              
                                                                                                                  
Date of notification                              6 August 2009