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                   Janet Pope                                  
                                                                               
Type of Transaction                Increase in beneficial interest following   
                                   purchase of shares (within                  
                                   ----------------Select Investment Plan      
                                   pursuant to regular standing instruction).  
                                                                               
Reason for Notification            A transaction required to be notified in    
                                   accordance with DTR 3.1.4R(1) (a) and DTR   
                                   3.1.4(R) (1) (b)                            
                                                                               
Class of Security                  Ordinary 2.5p shares                        
                                                                               
Name of registered holder          Alliance Trust Savings Nominees Limited     
                                                                               
Number of shares                   219                                         
                                                                               
Price per share                    £3.725                                      
                                                                               
Date and place of transaction      31 October 2007. UK.                        
                                                                               
Date Company Notified              1 November 2007.                            
                                                                               
Total share interests following                                                
this information:                                                              
                                                                               
Beneficially Owned (including      19,915                                      
self, connected persons and Share                                              
Incentive                                                                      
                                                                               
Plan excluding Employee Benefit                                                
Trust)                                                                         
                                                                               
Beneficial interest in shares held 4,258                                       
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   0.168% (all interests)                      
                                                                               
This notification does not relate                                              
to dealings by persons otherwise                                               
connected with the named director.                                             
                                                                               
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 Pension   
                                   Plan pursuant to regular standing           
                                   instruction) by child under 18 years.       
                                                                               
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                    £3.725                                      
                                                                               
Date and place of transaction      31 October 2007.UK                          
                                                                               
Date Company Notified              1 November 2007                             
                                                                               
Total share interests following    100,180                                     
this information:                                                              
                                                                               
Total percentage of issued class   0.015% (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               1 November 2007