10:41 BOCI ASIA - Daily Trading Summary of Derivative Warrants The Stock Exchange of Hong Kong Limited received notifications regarding the daily trading summary of derivative warrants as follows:- Trade Date - 21042005 Average Percent Number (HK$) per of Issue of Warrant Number of Still Stock Stock Warrants Bought Warrants Still out in Short Name Code Bought/(Sold) /(Sold) out in Market Market --------------- ---- ------------- --------- -------------- -------- BI-HWL @EC0505 3574 30,520,000 0.134 4,690,000 2.34% BI-HWL @EC0505 3574 (30,500,000) (0.131) 4,690,000 2.34% BI-KINGB@EC0508 3575 50,000 0.657 39,945,000 19.97% BI-CLIFE@EC0509 3847 - - 20,000 0.04% BI-TTI @EC0509 3848 10,000 0.320 885,000 0.44% BI-HSBC @EC0507 4602 820,000 0.142 2,320,000 1.16% BI-HSBC @EC0507 4602 (1,064,000) (0.144) 2,320,000 1.16% BI-HWL @EC0507 4603 70,000 0.627 17,390,000 8.70% BI-HWL @EC0507 4603 (400,000) (0.650) 17,390,000 8.70% BI-SHK P@EC0507 4604 7,400,000 0.157 220,000 0.11% BI-SHK P@EC0507 4604 (7,400,000) (0.156) 220,000 0.11% BI-BOCHK@EC0507 4633 - - 188,000 0.94% BI-CK(H)@EC0507 4634 600,000 0.395 1,400,000 0.70% BI-CK(H)@EC0507 4634 (700,000) (0.397) 1,400,000 0.70% BI-C MOB@EC0507 4635 1,200,000 0.230 375,000 0.19% BI-C MOB@EC0507 4635 (1,250,000) (0.226) 375,000 0.19% BI-G BIO@EC0510 4636 6,000 0.780 6,492,000 32.46% BI-G BIO@EC0510 4636 (100,000) (0.820) 6,492,000 32.46%