Holding(s) in Company

    TR-1 (i) NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Caliber Global Investment Limited

2. Reason for the notification                                  State          
                                                                Yes/No         
                                                                               
An acquisition or disposal of voting rights                      Yes           
                                                                               
An acquisition or disposal of financial instruments                            
which may result in the                                                        
acquisition of shares already issued to which voting                           
rights are attached                                                            
                                                                               
An event changing the breakdown of voting rights                               
                                                                               
Other (please specify):                                                        

3. Full name of person(s) subject to the notification      Deutsche Bank AG    
obligation (iii):                                                              
                                                                               
4. Full name of shareholder(s) (if different from 3.)            N/A           
(iv):                                                                          
                                                                               
5. Date of the transaction (and date on which the           24 April 2008      
threshold is crossed or reached if different) (v):                             
                                                                               
6. Date on which issuer notified:                           28 April 2008      
                                                                               
7. Threshold(s) that is/are crossed or reached:               12 & 13 %        
                                                                               
8. Notified details:                                                           

A: Voting rights attached to shares

Class/type of  Situation previous    Resulting situation after the triggering   
    shares             to                        transaction (vii)              
 if possible     the Triggering                                                 
using the ISIN  transaction (vi)                                                
     CODE                                                                       
                                                                                
                Number    Number    Number    Number of voting    % of voting   
                  of        of        of        rights (ix)          rights     
                Shares    Voting    shares                                      
                          Rights                                                
                          (viii)                                                
                                                                                
                                    Direct    Direct   Indirect Direct  Indirect
                                                (x)      (xi)                   
                                                                                
GB00B09LSD21   2,717,513 2,717,513 3,390,213 3,390,213          13.82 %         
                                                                                

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

   Type of     Expiration       Exercise/        Number of voting       % of   
  financial    date (xiii)      Conversion      rights that may be     voting  
 instrument                 Period/ Date (xiv)    acquired if the      rights  
                                                    instrument                 
                                                   is exercised/               
                                                     converted                 
                                                                               
Total (A+B)                                                                    
                                                                               
Number of voting rights                 % of voting rights                     
                                                                               
3,390,213                                               13.82 %                

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable (xv):



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      N/A              
rights:                                                                        

13. Additional information:                                                    
                                                                               
14. Contact name:                                    David Lindsay / Andrew    
                                                     Anderson                  
                                                                               
15. Contact email address:                           +00 44 207 545 8533/8532  



END