SECURITIES (DISCLOSURE OF INTERESTS) DAILY SUMMARIES - GEM                                              PRINTED: 05/04/00  PAGE:   1
                                                                                SUBSTANTIAL SHAREHOLDERS' NOTIFICATIONS REPORT

STOCK NAME :  Prosten Tech                   (8026)         * ISC as at 03/04/00 :         511,250,000

Name of Sub. Shareholder   Date     Reason    Present Bal.     Previous Bal.             Share Jointly Held                          Corporate Interest                          Family Interest
------------------------ -------- ---------- ---------------  ---------------  -----------------------------------------  -----------------------------------------  -----------------------------------------
BAKERSFIELD GLOBAL CORP- 28/03/00 2               92,418,549             N.A.                                                                                                                  
ORATION                                                                                                                                                              

CENTURY TECHNOLOGY HOLD- 28/03/00 2              155,931,035             N.A.                                                                                                                  
ING LIMITED                                                                                                                                                          

GREENFORD COMPANY LIMIT- 28/03/00 2              155,931,035             N.A.                                                                                                                  
ED                                                                                                                                                                   

YIP HEONG PING           28/03/00 2              404,280,619             N.A.                                             CENTURY TECHNOLOGY HOLD-      155,931,035                            
                                                                                                                          ING LTD                                    

                                                                                                                          BAKERSFIELD GLOBAL CORP        92,418,549                            

                                                                                                                          GREENFORD CO LTD              155,931,035                            

YIP SENG MUN             28/03/00 2              248,349,584             N.A.                                             CENTURY TECHNOLOGY HOLD-      155,931,035                            
                                                                                                                          ING LTD                                    

                                                                                                                          BAKERSFIELD GLOBAL CORP        92,418,549                            

STOCK NAME :  SIIC Medtech                   (8018)         * ISC as at 03/04/00 :         620,000,000

Name of Sub. Shareholder   Date     Reason    Present Bal.     Previous Bal.             Share Jointly Held                          Corporate Interest                          Family Interest
------------------------ -------- ---------- ---------------  ---------------  -----------------------------------------  -----------------------------------------  -----------------------------------------
SHANGHAI INDUSTRIAL HOL- 27/03/00 1,3,5          378,235,000      373,129,000                                             CENTRAL FORCE INV LTD         372,000,000                            
DINGS LIMITED                                                                                                                                                        


                    * ISC refers to the latest Issued Share Capital of the listed company recorded by the Exchange as at the date of this summaries.  It might not promptly reflect 
                      changes caused by share placements, rights issue, bonus issue, etc.  Readers should exercise caution when using these figures.
                                                                          SECURITIES (DISCLOSURE OF INTERESTS) DAILY SUMMARIES - GEM                                              PRINTED: 05/04/00  PAGE:   2
                                                                                SUBSTANTIAL SHAREHOLDERS' NOTIFICATIONS REPORT

STOCK NAME :  SIIC Medtech                   (8018)         * ISC as at 03/04/00 :         620,000,000

Name of Sub. Shareholder   Date     Reason    Present Bal.     Previous Bal.             Share Jointly Held                          Corporate Interest                          Family Interest
------------------------ -------- ---------- ---------------  ---------------  -----------------------------------------  -----------------------------------------  -----------------------------------------
SHANGHAI INDUSTRIAL INV- 27/03/00 1,3,5          378,235,000      373,129,000                                             CENTRAL FORCE INV LTD         372,000,000                            
ESTMENT TREASURY COMPAN-                                                                                                                                             
Y LIMITED                                                                                                                                                            

                                                                                                                          SHANGHAI INDUSTRIAL HOL-        6,235,000                            
                                                                                                                          DINGS LTD                                  

SHANGHAI INDUSTRIAL INV- 29/03/00 1,3,5          384,726,000      378,344,000                                             CENTRAL FORCE INV LTD         372,000,000                            
ESTMENT (HOLDINGS) COMP-                                                                                                                                             
ANY LIMITED                                                                                                                                                          

                                                                                                                          SHANGHAI INDUSTRIAL HOL-        7,711,000                            
                                                                                                                          DINGS LTD                                  

                                                                                                                          TOP MODERN LTD                  5,015,000                            

SHANGHAI INVESTMENT HOL- 27/03/00 1,3,5          378,235,000      373,129,000                                             CENTRAL FORCE INV LTD         372,000,000                            
DINGS LIMITED                                                                                                                                                        

                                                                                                                          SHANGHAI INDUSTRIAL HOL-        6,235,000                            
                                                                                                                          DINGS LTD                                  


                    * ISC refers to the latest Issued Share Capital of the listed company recorded by the Exchange as at the date of this summaries.  It might not promptly reflect 
                      changes caused by share placements, rights issue, bonus issue, etc.  Readers should exercise caution when using these figures.

                                                                                         *****  END OF REPORT  *****