09:03     Table 4-Warrants' Expiry Dates & Registration Periods               

                                                                              
    WARRANTS' EXPIRY DATES & REGISTRATION PERIODS AS AT 15 APRIL 2005         
                                                                              
          Warrants' Expiry Dates & Imposed Registration Periods               
                                                                              
    Stock  Expiry   Reg      Stock  Expiry   Reg      Stock  Expiry   Reg     
    Code   Date     Period   Code   Date     Period   Code   Date     Period  
    ----- -------- --------  ----- -------- --------  ----- -------- -------- 
     8356 17/06/05 03/12/04                                                   
                                                                              
                                                                              
    The Stock Exchange of Hong Kong Limited takes no                          
    responsibility for the contents of this announcement,                     
    makes no representation as to its accuracy or                             
    completeness and expressly disclaims any liability                        
    whatsoever for any loss howsoever arising from or in                      
    reliance upon the whole or any part of the contents of                    
    this announcement.                                                        
                                                                              
    CHINA MEDICAL SCIENCE LIMITED                                             
    (Incorporated in the Cayman Islands with limited                          
    liability)                                                                
    (Stock Code: 8120)                                                        
                                                                              
    MAJOR TRANSACTION                                                         
    DISPOSAL OF TWO SUBSIDIARIES                                              
    IN THE PEOPLE'S REPUBLIC OF CHINA                                         
    - EXTENSION OF LONG STOP DATE                                             
                                                                              
    The long-stop date for fulfillment of the conditions                      
    precedent to the Proposed Disposal has been extended                      
    from 30 April 2005 to 31 October 2005 or such later date                  
    as the parties may agree pursuant to the Supplemental                     
    Agreement.                                                                
                                                                              
    By order of the Board                                                     
    China Medical Science Limited                                             
    Yu Ling Ling                                                              
    Company Secretary                                                         
                                                                              
    Hong Kong, 20 April 2005                                                  
                                                                              
    This announcement, for which the directors of China                       
    Medical Science Limited (the "Company") (the                              
    "Directors") collectively Aand individually accept                        
    full responsibility, includes particulars given in                        
    compliance with the Rules Governing the Listing of                        
    Securities on the Growth Enterprise Market of The Stock                   
    Exchange of Hong Kong Limited for the purpose of giving                   
    information with regard to the Company. The Directors,                    
    having made all reasonable enquiries, confirm that, to                    
    the best of their knowledge and belief: (1) the                           
    information contained in this announcement is accurate                    
    and complete in all material respects and not                             
    misleading; (2) there are no other matters the omission                   
    of which would make any statement in this announcement                    
    misleading; and (3) all opinions expressed in this                        
    announcement have been arrived at after due and careful                   
    consideration and are founded on bases and assumptions                    
    that are fair and reasonable.                                             
                                                                              
    The above announcement is a summary only. For the full                    
    version of this announcement, please refer to the                         
    "Latest Company Announcements" page on the GEM website                    
    of http://www.hkgem.com.