Holding(s) in Company

NOTIFICATION OF MAJOR INTERESTS IN SHARES                   

1. IDENTITY OF THE ISSUER OR THE                                               
                                                                               
UNDERLYING ISSUER OF EXISTING SHARES                                           
                                                                               
TO WHICH VOTING RIGHTS ARE ATTACHED:            Alliance Trust PLC             
                                                                               
2. REASON FOR NOTIFICATION:                                                    
                                                                               
  a) an acquisition or disposal of voting       YES                            
  rights                                                                       
                                                                               
  b) an acquisition or disposal of              N/A                            
  financial instruments which may result                                       
  in the acquisition of shares already                                         
  issued to which voting rights are                                            
  attached                                                                     
                                                                               
  c) an event changing the breakdown of         N/A                            
  voting rights                                                                
                                                                               
  d) other                                      N/A                            
                                                                               
3. FULL NAME OF PERSON(S) SUBJECT TO THE                                       
                                                                               
NOTIFICATION OBLIGATION:                        Alliance Trust Savings Limited 
                                                                               
4. FULL NAME OF SHAREHOLDER(S)                  Alliance Trust Savings Nominees
                                                Limited                        
                                                                               
(if different from 3):                                                         
                                                                               
5. DATE OF THE TRANSACTION AND DATE ON                                         
                                                                               
WHICH THE THRESHOLD IS CROSSED OR                                              
                                                                               
REACHED:                                        11 October 2007                
                                                                               
6. DATE ON WHICH ISSUER NOTIFIED:               12 October 2007                
                                                                               
7. THRESHOLD(S) THAT IS/ARE CROSSED OR                                         
                                                                               
REACHED:                                        20%                            
                                                                               
8. NOTIFIED DETAILS:                                                           
                                                                               
  A: VOTING RIGHTS ATTACHED TO SHARES                                          
                                                                               
  CLASS/TYPE OF SHARES (ISIN Code):                      2.5p Ordinary Shares  
                                                         (GB00B11V7W98)        
                                                                               
  SITUATION PREVIOUS TO THE TRIGGERING TRANSACTION:                            
                                                                               
  - NUMBER OF SHARES                                     134,388,025           
                                                                               
  - NUMBER OF VOTING RIGHTS                              134,388,025           
                                                                               
  RESULTING SITUATION AFTER THE TRIGGERING                                     
  TRANSACTION:                                                                 
                                                                               
  - NUMBER OF SHARES (DIRECT)                            N/A                   
                                                                               
  - NUMBER OF VOTING RIGHTS (DIRECT)                     N/A                   
                                                                               
  - NUMBER OF VOTING RIGHTS (INDIRECT)                   134,325,302           
                                                                               
  - % OF VOTING RIGHTS (DIRECT)                          N/A                   
                                                                               
  - % OF VOTING RIGHTS (INDIRECT)                        19.9916%              
                                                                               
  B: FINANCIAL INSTRUMENTS                                                     
                                                                               
  RESULTING SITUATION AFTER THE TRIGGERING                                     
  TRANSACTION:                                                                 
                                                                               
  - TYPE OF FINANCIAL INSTRUMENT:                        N/A                   
                                                                               
  - EXPIRATION DATE:                                     N/A                   
                                                                               
  - EXERCISE/CONVERSION PERIOD/DATE:                     N/A                   
                                                                               
  - NUMBER OF VOTING RIGHTS THAT MAY BE ACQUIRED IF                            
                                                                               
  THE INSTRUMENT IS EXERCISED/ CONVERTED:                N/A                   
                                                                               
  - % OF VOTING RIGHTS:                                  N/A                   
                                                                               
  TOTAL (A+B)                                                                  
                                                                               
  - NUMBER OF VOTING RIGHTS:                             134,325,302           
                                                                               
  - % OF VOTING RIGHTS:                                  19.9916%              

9. CHAIN OF CONTROLLED UNDERTAKINGS THROUGH WHICH THE VOTING RIGHTS AND/OR THE 
FINANCIAL INSTRUMENTS ARE EFFECTIVELY HELD, IF APPLICABLE:                     
                                                                               
N/A                                                                            
                                                                               
PROXY VOTING:                                                                  
                                                                               
10. NAME OF THE PROXY HOLDER:                N/A                               
                                                                               
11. NUMBER OF VOTING RIGHTS PROXY                                              
                                                                               
HOLDER WILL CEASE TO HOLD:                   N/A                               
                                                                               
12. DATE ON WHICH PROXY HOLDER WILL                                            
                                                                               
CEASE TO HOLD VOTING RIGHTS:                 N/A                               
                                                                               
13. ADDITIONAL INFORMATION:                                                    
                                                                               
  This notification relates to voting rights attaching to shares held by       
  Alliance Trust Savings Nominees Limited as nominee for customers (who        
  constitute the beneficial owners of the shares) of Alliance Trust Savings    
  Limited. Alliance Trust Savings Limited has entered into agreements with     
  its customers and Alliance Trust PLC to the effect that the votes attaching  
  to shares owned by customers (who do not exercise their voting rights) will  
  be cast by Alliance Trust Savings Nominees Limited in the same proportion    
  as the votes cast by the customers that do exercise their vote.              
                                                                               
14. CONTACT NAME:                    Mr Ian Anderson                           
                                                                               
15. CONTACT TELEPHONE NUMBER:        01382 201700                              
                                                                               
16. IDENTITY OF ISSUER                                                         
                                                                               
  FULL NAME:                         Alliance Trust PLC                        
                                                                               
  CONTACT NAME:                      Mr Ian Anderson                           
                                                                               
  CONTACT ADDRESS                    Meadow House, 64 Reform Street, Dundee,   
                                     DD1 1TJ                                   
                                                                               
  PHONE NUMBER                       01382 201700