Director/PDMR Shareholding

Announcement of Director's interests in securities by Alliance Trust PLC       
                                                                               
Director's interests in securities                                             

This notification does not relate to dealings by persons otherwise connected   
with the named director.                                                       
                                                                               
Name of Company                     Alliance Trust PLC                         
                                                                               
Name of Director                    David Deards                               
                                                                               
Type of Transaction                 Increase in beneficial interest following  
                                    purchase of shares (within Select 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                    174                                        
                                                                               
Price per share                     £3.33                                      
                                                                               
Date and place of transaction       24 January 2008. UK.                       
                                                                               
Date Company Notified               25 January 2008.                           
                                                                               
Total share interests following                                                
this information:                                                              
                                                                               
Beneficially Owned (including self, 43,325                                     
connected persons and Share                                                    
Incentive                                                                      
                                                                               
Plan excluding Employee Benefit                                                
Trust)                                                                         
                                                                               
Beneficial interest in shares held  12,496                                     
for director by Trustee of Employee                                            
Benefit Trust                                                                  
                                                                               
Deemed beneficial interest in       1,108,624                                  
shares held for company by Trustee                                             
of Employee Benefit Trust                                                      
                                                                               
Total percentage of issued class    0.173% (all interests)                     
                                                                               
Name of contact                   Mr. Ian Anderson                             
                                                                               
Telephone Number                  [phone]                           
                                                                               
Date of notification              25 January 2008