Holding(s) in Company

TR-1: 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)                                                 
                                                                               
(if different from 3):                          Alliance Trust Savings Nominee 
                                                Limited                        
5. DATE OF THE TRANSACTION AND DATE ON                                         
                                                                               
WHICH THE THRESHOLD IS CROSSED OR                                              
                                                                               
REACHED:                                        22 May 2007                    
                                                                               
6. DATE ON WHICH ISSUER NOTIFIED:               22 May 2007                    
                                                                               
7. THRESHOLD(S) THAT IS/ARE CROSSED OR                                         
                                                                               
REACHED:                                        20%                            
                                                                               
8. NOTIFIED DETAILS:                                                           
                                                                               
  A: VOTING RIGHTS ATTACHED TO SHARES                                          
                                                                               
  CLASS/TYPE OF SHARES (if possible using the ISIN       2.5p Ordinary Shares  
  Code):                                                                       
                                                                               
  SITUATION PREVIOUS TO THE TRIGGERING TRANSACTION:                            
                                                                               
  - NUMBER OF SHARES                                                           
                                                                               
  - NUMBER OF VOTING RIGHTS                                                    
                                                                               
  RESULTING SITUATION AFTER THE TRIGGERING                                     
  TRANSACTION:                                                                 
                                                                               
  - NUMBER OF SHARES (DIRECT)                                                  
                                                                               
  - NUMBER OF VOTING RIGHTS (DIRECT)                                           
                                                                               
  - NUMBER OF VOTING RIGHTS (INDIRECT)                   135,528,850           
                                                                               
  - % OF VOTING RIGHTS (DIRECT)                                                
                                                                               
  - % OF VOTING RIGHTS (INDIRECT)                        20.17%                
                                                                               
  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:                             135,528,850           
                                                                               
  - % OF VOTING RIGHTS:                                  20.17%                

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:                                                  
                                                                               
11. NUMBER OF VOTING RIGHTS PROXY                                              
                                                                               
HOLDER WILL CEASE TO HOLD:                                                     
                                                                               
12. DATE ON WHICH PROXY HOLDER WILL                                            
                                                                               
CEASE TO HOLD VOTING RIGHTS:                                                   
                                                                               
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:                    Ian Anderson                              
                                                                               
ANNEX TO NOTIFICATION OF MAJOR                                                 
                                                                               
INTERESTS IN SHARES:                                                           
                                                                               
A: IDENTITY OF THE PERSON OR LEGAL                                             
                                                                               
ENTITY SUBJECT TO THE NOTIFICATION                                             
                                                                               
OBLIGATION                                                                     
                                                                               
  FULL NAME                          Alliance Trust Savings Limited            
                                                                               
  (including legal form for legal                                              
  entities)                                                                    
                                                                               
  CONTACT ADDRESS                    Meadow House, 64 Reform Street,           
                                                                               
  (registered office for legal       Dundee, DD1 9YP                           
  entities)                                                                    
                                     [phone]                        
  PHONE NUMBER                                                                 
                                                                               
  OTHER USEFUL INFORMATION                                                     
                                                                               
  (at least legal representative for                                           
  legal persons)                                                               
                                                                               
B: IDENTITY OF THE NOTIFIER, IF APPLICABLE                                     
                                                                               
  FULL NAME                          N/A                                       
                                                                               
  CONTACT ADDRESS                    N/A                                       
                                                                               
  PHONE NUMBER                       N/A                                       
                                                                               
  OTHER USEFUL INFORMATION           N/A                                       
                                                                               
  (e.g. functional relationship with                                           
  the person                                                                   
                                                                               
  or legal entity subject to the                                               
  notification                                                                 
                                                                               
  obligation)