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                Change in beneficial interest following the 
                                   merger of the Company and The Second        
                                   Alliance Trust PLC ("2AT") and the exchange 
                                   of: i) shares owned beneficially in 2AT; and
                                   ii) shares in 2AT held by the trustee of the
                                   2AT Employee Benefit Trust in which the     
                                   Director has a beneficial or deemed         
                                   beneficial interest, for, respectively: i)  
                                   shares owned beneficially in the Company;   
                                   and ii) shares in the Company held by the   
                                   trustee of the Company's and/or 2AT's       
                                   Employee Benefit Trust in which the Director
                                   has a beneficial or deemed beneficial       
                                   interest, in each case following the        
                                   subdivision of the Company's share capital  
                                   on a ten for one basis                      
                                                                               
Reason for Notification            A transaction required to be notified in    
                                   accordance with DR 3.1.4R(1) (a) and DR     
                                   3.1.4(R) (1) (b) [section 324 as extended by
                                   section 328 of the Companies Act 1985 or    
                                   entered into the Company's register in      
                                   accordance with s325(3) or (4)of the        
                                   Companies Act 1985]                         
                                                                               
Class of Security                  Ordinary 2 .5p shares                       
                                                                               
Number of shares                   N/A.                                        
                                                                               
Price per share                    N/A.                                        
                                                                               
Date and place of transaction      N/A. UK.                                    
                                                                               
Date Company Notified              N/A.                                        
                                                                               
Total share interests following                                                
this information:                                                              
                                                                               
Beneficially Owned (including      22,015                                      
self, connected persons and Share                                              
Incentive                                                                      
                                                                               
Plan excluding Employee Benefit                                                
Trust)                                                                         
                                                                               
Beneficial interest in shares held 15,959                                      
on Directors behalf by Trustee of                                              
the Company's Employee Benefit                                                 
Trust                                                                          
                                                                               
Deemed beneficial interest in      162,940                                     
shares in the Company held by                                                  
Trustee of the Company's and 2AT's                                             
Employee Benefit Trust                                                         
                                                                               
Total percentage of issued class   0.030% (all interests)                      
                                                                               
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                Change in beneficial interest following the 
                                   merger of the Company and The Second        
                                   Alliance Trust PLC ("2AT") and the exchange 
                                   of: i) shares owned beneficially in 2AT; and
                                   ii) shares in 2AT held by the trustee of the
                                   2AT Employee Benefit Trust in which the     
                                   Director has a beneficial or deemed         
                                   beneficial interest, for, respectively: i)  
                                   shares owned beneficially in the Company;   
                                   and ii) shares in the Company held by the   
                                   trustee of the Company's and/or 2AT's       
                                   Employee Benefit Trust in which the Director
                                   has a beneficial or deemed beneficial       
                                   interest, in each case following the        
                                   subdivision of the Company's share capital  
                                   on a ten for one basis                      
                                                                               
Reason for Notification            A transaction required to be notified in    
                                   accordance with DR 3.1.4R(1) (a) and DR     
                                   3.1.4(R) (1) (b) [section 324 as extended by
                                   section 328 of the Companies Act 1985 or    
                                   entered into the Company's register in      
                                   accordance with s325(3) or (4)of the        
                                   Companies Act 1985]                         
                                                                               
Class of Security                  Ordinary 2.5p shares                        
                                                                               
Number of shares                   N/A.                                        
                                                                               
Price per share                    N/A.                                        
                                                                               
Date and place of transaction      N/A. UK.                                    
                                                                               
Date Company Notified              N/A.                                        
                                                                               
Total share interests following                                                
this information:                                                              
                                                                               
Beneficially Owned (including      37,945                                      
self, connected persons and Share                                              
Incentive                                                                      
                                                                               
Plan excluding Employee Benefit                                                
Trust)                                                                         
                                                                               
Beneficial interest in shares held 7,787                                       
on Directors behalf by Trustee of                                              
the Company's Employee Benefit                                                 
Trust                                                                          
                                                                               
Deemed beneficial interest in      162,940                                     
shares in the Company held by                                                  
Trustee of the Company's and 2AT's                                             
Employee Benefit Trust                                                         
                                                                               
Total percentage of issued class   0.031% (all interests)                      
                                                                               
This notification does not relate to dealings by persons otherwise connected   
with the named director.                                                       
                                                                               
Name of Company                    Alliance Trust PLC                          
                                                                               
Name of Director                   Sheila Ruckley                              
                                                                               
Type of Transaction                Change in beneficial interest following the 
                                   merger of the Company and The Second        
                                   Alliance Trust PLC ("2AT") and the exchange 
                                   of: i) shares owned beneficially in 2AT; and
                                   ii) shares in 2AT held by the trustee of the
                                   2AT Employee Benefit Trust in which the     
                                   Director has a beneficial or deemed         
                                   beneficial interest, for, respectively: i)  
                                   shares owned beneficially in the Company;   
                                   and ii) shares in the Company held by the   
                                   trustee of the Company's and/or 2AT's       
                                   Employee Benefit Trust in which the Director
                                   has a beneficial or deemed beneficial       
                                   interest, in each case following the        
                                   subdivision of the Company's share capital  
                                   on a ten for one basis                      
                                                                               
Reason for Notification            A transaction required to be notified in    
                                   accordance with DR 3.1.4R(1) (a) and DR     
                                   3.1.4(R) (1) (b) [section 324 as extended by
                                   section 328 of the Companies Act 1985 or    
                                   entered into the Company's register in      
                                   accordance with s325(3) or (4)of the        
                                   Companies Act 1985]                         
                                                                               
Class of Security                  Ordinary 2.5p shares                        
                                                                               
Number of shares                   N/A.                                        
                                                                               
Price per share                    N/A.                                        
                                                                               
Date and place of transaction      N/A. UK.                                    
                                                                               
Date Company Notified              N/A.                                        
                                                                               
Total share interests following                                                
this information:                                                              
                                                                               
Beneficially Owned (including      52,874                                      
self, connected persons and Share                                              
Incentive                                                                      
                                                                               
Plan excluding Employee Benefit                                                
Trust)                                                                         
                                                                               
Beneficial interest in shares held 7,405                                       
on Directors behalf by Trustee of                                              
the Company's Employee Benefit                                                 
Trust                                                                          
                                                                               
Deemed beneficial interest in      162,940                                     
shares in the Company held by                                                  
Trustee of the Company's and 2AT's                                             
Employee Benefit Trust                                                         
                                                                               
Total percentage of issued class   0.033% (all interests)                      
                                                                               
This notification does not relate to dealings by persons otherwise connected   
with the named director.                                                       
                                                                               
Name of Company                    Alliance Trust PLC                          
                                                                               
Name of Director                   Alan Young                                  
                                                                               
Type of Transaction                Change in beneficial interest following the 
                                   merger of the Company and The Second        
                                   Alliance Trust PLC ("2AT") and the exchange 
                                   of: i) shares owned beneficially in 2AT; and
                                   ii) shares in 2AT held by the trustee of the
                                   2AT Employee Benefit Trust in which the     
                                   Director has a beneficial or deemed         
                                   beneficial interest, for, respectively: i)  
                                   shares owned beneficially in the Company;   
                                   and ii) shares in the Company held by the   
                                   trustee of the Company's and/or 2AT's       
                                   Employee Benefit Trust in which the Director
                                   has a beneficial or deemed beneficial       
                                   interest, in each case following the        
                                   subdivision of the Company's share capital  
                                   on a ten for one basis                      
                                                                               
Reason for Notification            A transaction required to be notified in    
                                   accordance with DR 3.1.4R(1) (a) and DR     
                                   3.1.4(R) (1) (b) [section 324 as extended by
                                   section 328 of the Companies Act 1985 or    
                                   entered into the Company's register in      
                                   accordance with s325(3) or (4)of the        
                                   Companies Act 1985]                         
                                                                               
Class of Security                  Ordinary 2.5p shares                        
                                                                               
Number of shares                   N/A.                                        
                                                                               
Price per share                    N/A.                                        
                                                                               
Date and place of transaction      N/A. UK.                                    
                                                                               
Date Company Notified              N/A.                                        
                                                                               
Total share interests following                                                
this information:                                                              
                                                                               
Beneficially Owned (including      47,152                                      
self, connected persons and Share                                              
Incentive                                                                      
                                                                               
Plan excluding Employee Benefit                                                
Trust)                                                                         
                                                                               
Beneficial interest in shares held 5,002                                       
on Directors behalf by Trustee of                                              
the Company's Employee Benefit                                                 
Trust                                                                          
                                                                               
Deemed beneficial interest in      162,940                                     
shares in the Company held by                                                  
Trustee of the Company's and 2AT's                                             
Employee Benefit Trust                                                         
                                                                               
Total percentage of issued class   0.032% (all interests)                      
                                                                               
This notification does not relate to dealings by persons otherwise connected   
with the named director.                                                       
                                                                               
Name of contact                    Mr. Ian Anderson                            
                                                                               
Telephone Number                   01382 201700                                
                                                                               
Date of notification               21 June 2006