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                                  Alan Harden                                                     
                                                                                                                  
Type of Transaction                               Increase in beneficial interest following purchase of shares    
                                                  (within Share Incentive Plan 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                                  17                                                              
                                                                                                                  
Price per share                                   £3.5075                                                         
                                                                                                                  
Date and place of transaction                     20 May 2008. UK.                                                
                                                                                                                  
Date Company Notified                             20 May 2008.                                                    
                                                                                                                  
Total share interests following this information:                                                                 
                                                                                                                  
Beneficially Owned (including self, connected     63,090                                                          
persons and Share Incentive                                                                                       
                                                                                                                  
Plan excluding Employee Benefit Trust)                                                                            
                                                                                                                  
Beneficial interest in shares held for director   41,766                                                          
by Trustee of Employee Benefit Trust                                                                              
                                                                                                                  
Deemed beneficial interest in shares held for     1,870,733                                                       
company by Trustee of Employee Benefit Trust                                                                      
                                                                                                                  
Total percentage of issued class                  0.294% (all interests)                                          
                                                                                                                  
This notification does not relate to dealings by persons otherwise connected                                      
with the named director.                                                                                          
                                                                                                                  
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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                                  David Deards                                                    
                                                                                                                  
Type of Transaction                               Increase in beneficial interest following purchase of shares    
                                                  (within Share Incentive Plan 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                                  26                                                              
                                                                                                                  
Price per share                                   £3.5075                                                         
                                                                                                                  
Date and place of transaction                     20 May 2008. UK.                                                
                                                                                                                  
Date Company Notified                             20 May 2008.                                                    
                                                                                                                  
Total share interests following this information:                                                                 
                                                                                                                  
Beneficially Owned (including self, connected     44,704                                                          
persons and Share Incentive                                                                                       
                                                                                                                  
Plan excluding Employee Benefit Trust)                                                                            
                                                                                                                  
Beneficial interest in shares held for director   21,906                                                          
by Trustee of Employee Benefit Trust                                                                              
                                                                                                                  
Deemed beneficial interest in shares held for     1,870,733                                                       
company by Trustee of Employee Benefit Trust                                                                      
                                                                                                                  
Total percentage of issued class                  0.288% (all interests)                                          
                                                                                                                  
This notification does not relate to dealings by persons otherwise connected                                      
with the named director.                                                                                          
                                                                                                                  
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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                                  Katherine Garrett-Cox                                           
                                                                                                                  
Type of Transaction                               Increase in beneficial interest following purchase of shares    
                                                  (within Share Incentive Plan 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                                  1                                                               
                                                                                                                  
Price per share                                   £3.5075                                                         
                                                                                                                  
Date and place of transaction                     20 May 2008. UK.                                                
                                                                                                                  
Date Company Notified                             20 May 2008.                                                    
                                                                                                                  
Total share interests following this information:                                                                 
                                                                                                                  
Beneficially Owned (including self, connected     21,411                                                          
persons and Share Incentive                                                                                       
                                                                                                                  
Plan excluding Employee Benefit Trust)                                                                            
                                                                                                                  
Beneficial interest in shares held for director   132,666                                                         
by Trustee of Employee Benefit Trust                                                                              
                                                                                                                  
Deemed beneficial interest in shares held for     1,870,733                                                       
company by Trustee of Employee Benefit Trust                                                                      
                                                                                                                  
Total percentage of issued class                  0.301% (all interests)                                          
                                                                                                                  
This notification does not relate to dealings by persons otherwise connected                                      
with the named director.                                                                                          
                                                                                                                  
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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 purchase of shares    
                                                  (within Share Incentive Plan pursuant to regular standing       
                                                  instruction).                                                   
                                                                                                                  
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                         Alliance Trust Savings Nominees Limited                         
                                                                                                                  
Number of shares                                  14                                                              
                                                                                                                  
Price per share                                   £3.5075                                                         
                                                                                                                  
Date and place of transaction                     20 May 2008. UK.                                                
                                                                                                                  
Date Company Notified                             20 May 2008.                                                    
                                                                                                                  
Total share interests following this information:                                                                 
                                                                                                                  
Beneficially Owned (including self, connected     2,570                                                           
persons and Share Incentive                                                                                       
                                                                                                                  
Plan excluding Employee Benefit Trust)                                                                            
                                                                                                                  
Beneficial interest in shares held for PDMR by    23,085                                                          
Trustee of Employee Benefit Trust                                                                                 
                                                                                                                  
Deemed beneficial interest in shares held for     1,870,733                                                       
company by Trustee of Employee Benefit Trust                                                                      
                                                                                                                  
Total percentage of issued class                  0.282% (all interests)                                          
                                                                                                                  
This notification does not relate to dealings by persons otherwise connected                                      
with the named PDMR.                                                                                              
                                                                                                                  
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Name of contact                                   Ian Anderson                                                    
                                                                                                                  
Telephone Number                                  [phone]                                              
                                                                                                                  
Date of notification                              20 May 2008