SECURITIES (DISCLOSURE OF INTERESTS) DAILY SUMMARIES - (GEM)                         PRINTED: 18/03/02  PAGE:   1
                                                        DIRECTORS'/CHIEF EXECUTIVES' NOTIFICATIONS REPORT - A
                                                                        (ACTUAL TRANSACTIONS)

 STOCK NAME : Arcontech                      (08097)

      Director/Chief Executive                Class                   Company Name            Tran. Date   Present Bal.   Previous Bal.  A/D Consideration     Note
 ------------------------------------  ---------------------  ------------------------------- ---------- --------------- --------------- --- -------------  -----------
 TONG KA MING PATRICK                  ORD                    ARCONTECH CORPORATION              /  /          5,720,000       5,720,000            0.000              

                                       ORD                    SATELLITE DEVICES CORPORATION    13/03/02                0         572,000  D         0.000   N7         

 MAK KAM WAH                           ORD                    ARCONTECH CORPORATION              /  /          3,814,000       3,814,000            0.000              

                                       ORD                    SATELLITE DEVICES CORPORATION    13/03/02                0         381,400  D         0.000   N8         

 TSOI SIU CHING LEO                    ORD                    ARCONTECH CORPORATION              /  /        472,384,000     472,384,000            0.000              

                                       ORD                    UPGRADE TECHNOLOGY LTD             /  /                  1               1            0.000              

                                       NON-VOTING DEFERRED -  ARCON TECHNOLOGY LTD               /  /         15,250,000      15,250,000            0.000              
                                       SH                                                   

                                       ORD                    SATELLITE DEVICES CORPORATION    11/03/02                0      47,238,400  D         0.000   N9         

 STOCK NAME : Excel Tech                     (08048)

      Director/Chief Executive                Class                   Company Name            Tran. Date   Present Bal.   Previous Bal.  A/D Consideration     Note
 ------------------------------------  ---------------------  ------------------------------- ---------- --------------- --------------- --- -------------  -----------
 ZEE CHAN MEI CHU PEGGY                ORD                    EXCEL TECHNOLOGY INTERNATIONAL-  06/02/02      574,764,044     575,059,044  D         0.014   N1         
                                                               HOLDINGS LIMITED             

 STOCK NAME : Fast Systems                   (08150)

      Director/Chief Executive                Class                   Company Name            Tran. Date   Present Bal.   Previous Bal.  A/D Consideration     Note
 ------------------------------------  ---------------------  ------------------------------- ---------- --------------- --------------- --- -------------  -----------
 LIAO CHIN TE                          ORD                    FAST SYSTEMS TECHNOLOGY (HOLDI-  11/03/02        5,000,000               0            0.000   N6         
                                                              NGS) LIMITED                  

 MA CHIN JONG                          ORD                    FAST SYSTEMS TECHNOLOGY (HOLDI-  11/03/02      196,433,336     230,203,336  D         0.000   N2  N5     
                                                              NGS) LIMITED                  
                                                    SECURITIES (DISCLOSURE OF INTERESTS) DAILY SUMMARIES - (GEM)                         PRINTED: 18/03/02  PAGE:   2
                                                        DIRECTORS'/CHIEF EXECUTIVES' NOTIFICATIONS REPORT - A
                                                                        (ACTUAL TRANSACTIONS)

 STOCK NAME : Fast Systems                   (08150)

      Director/Chief Executive                Class                   Company Name            Tran. Date   Present Bal.   Previous Bal.  A/D Consideration     Note
 ------------------------------------  ---------------------  ------------------------------- ---------- --------------- --------------- --- -------------  -----------
 LIAO KO PING                          ORD                    FAST STSYEMS TECHNOLOGY (HOLDI-  11/03/02      196,433,336     230,203,336  D         0.000   N2  N4     
                                                              NGS) LIMITED                  

                                       ORD                    ORIENTAL LIGHT INDUSTRIES LTD      /  /                  1               1            0.000              

                                       ORD                    FAST SYSTEMS LTD                   /  /                  1               1            0.000              

                                       ORD                    SUPERJET TECHNOLOGIES LTD          /  /                  1               1            0.000              

                                                                     *****  END OF REPORT  *****
Notes:


N1     295,000 shares were transferred to employees pursuant to the share
       option scheme at HK$0.0138 per share.

N2     Liao Ko Ping and Ma Chin Jong, directors of the Company, are
       interested in an aggregate of 196,433,336 shares of HK$0.10 each in
       the share capital of the Company in the following manner: -

       (i)    195,000,000 shares are held by Ma Chin Jong through Dynasty
              Resources Limited, the entire issued share capital of which is
              beneficially owned by her, after the disposal of 15,000,000
              shares in total of and in the Company on 11th March 2002
              by Dynasty Resources Limited; and

       (ii)   1,433,336 shares are held by Liao Ko Ping personally after
              his disposal of 18,770,000 shares in total of and in the
              Company on 11th March 2002 as notified herein and Ma Chin
              Jong is deemed, by virtue of the SDI Ordinance, to be
              interested in the 1,433,336 shares.

N3     OMAX Technologies, Inc. is interested in 74,776,666 shares of
       HK$0.10 each in the share capital of the Company after its acquisition
       of 4,770,000 shares of and in the Company on 11th March 2002 for a 
       consideration of HK$954,000 and is a corporate substantial
       shareholder of the Company by virtue of the SDI Ordinance.

N4     The consideration received by Liao Ko Ping in respect of each of his
       aforesaid disposal as notified herein are as follows:-

                                                               consideration
       name of the transferee     no. of shares transferred    received
       ----------------------     -------------------------    -------------
       Chao Wei                      10,000,000                nil
       Chang Ming Hsi                 1,500,000                nil
       Chang Wen Ling                 1,500,000                nil
       Hsu Ming Hsien                   500,000                nil
       Yu Jen Kuei                      500,000                nil
       OMAX Technologies Inc.         4,770,000                HK$954,000

N5     The consideration received by Dynasty Resources Limited in respect of
       each of its aforesaid disposal as notified herein are as follows:-

                                                               consideration
       name of the transferee     no. of shares transferred    received
       ----------------------     -------------------------    -------------
       Liao Kang Wei                  5,000,000                nil
       Lin Ya Ling                    5,000,000                nil
       Liao Kuan Mei                  5,000,000                nil

N6     Lin Ya Ling ("Ms Lin") is the wife of Liao Chin Te, a director of
       the Company.  Ms Lin is interested in 5,000,000 shares of HK$0.10
       each in the share capital of the Company after her acquisition of
       the said 5,000,000 shares on 11th March 2002 for nil consideration
       and, by virtue of the SDI Ordinance, Liao Chin Te is deemed to be
       interested in the 5,000,000 shares.

N7     The 572,000 shares of HK$0.10 each in Satellite Devices Corporation
       which may be issued to Tong Ka Ming, Patrick has been disposed to
       Arcontech Corporation pursuant to a conditional form of election
       dated 13 March 2002.  As at the date hereof, the disposal remains
       conditional.

N8     The 381,400 shares of HK$0.10 each in Satellite Devices Corporation
       which may be issued to Mak Kam Wah has been disposed to Arcontech
       Corporation pursuant to a conditional form of election dated
       13 March, 2002.  As at the date hereof, the disposal remains
       conditional.

N9     The 47,238,400 shares of Satellite Devices Corporation which may be
       issued to Upgrade Technology Limited (a company wholly owned by Tsoi
       Siu Ching, Leo) were conditionally agreed to be disposed as part of
       the placing of the shares of Satellite Devices Corporation under the
       underwriting agreement dated 11th March, 2002 as summarised in the
       prospectus of Satellite Devices Corporation dated 12th March, 2002.
       As at the date hereof, the disposal remains conditional.