Director/PDMR Shareholding

Announcement of Person Discharging Managerial Responsibilities (PDMR) interests
in securities by Alliance Trust PLC                                            
                                                                               
PDMR interests in securities                                                   
                                                                               
Name of Company                    Alliance Trust PLC                          
                                                                               
Name of PDMR                       Rowland Strickland                          
                                                                               
Type of Transaction                Increase in beneficial interest following   
                                   vesting of awards under Senior Management   
                                   Incentive Equity Plan.                      
                                                                               
Reason for Notification            A transaction required to be notified in    
                                   accordance with DTR 3.1.4R(1).              
                                                                               
Class of Security                  Ordinary 2.5p shares                        
                                                                               
Name of registered holder          Rowland Strickland                          
                                                                               
Number of shares                   1,371                                       
                                                                               
Price per share                    £nil                                        
                                                                               
Date and place of transaction      28 October 2008. UK.                        
                                                                               
Date Company Notified              28 October 2008.                            
                                                                               
Total share interests following                                                
this information:                                                              
                                                                               
Beneficially Owned (including      10,652                                      
self, connected persons and Share                                              
Incentive                                                                      
                                                                               
Plan excluding Employee Benefit                                                
Trust)                                                                         
                                                                               
Beneficial interest in shares held 18,828                                      
for PDMR by Trustee of Employee                                                
Benefit Trust                                                                  
                                                                               
Deemed beneficial interest in      1,848,454                                   
shares held for company by Trustee                                             
of Employee Benefit Trust                                                      
                                                                               
Total percentage of issued class   0.279% (all interests)                      
                                                                               
This notification does not relate to dealings by persons otherwise connected   
with the named PDMR.                                                           
                                                                               
Name of contact                    Ian Anderson                                
                                                                               
Telephone Number                   [phone]                          
                                                                               
Date of notification               29 October 2008