 In September 1992 , Woon was appointed to the select committee to review the Companies ( Amendment ) Bill ( Bill No. 33 / 92 ) which proposed , among other things , that <unk> trading in securities listed on the Stock Exchange of Singapore be authorised so that share transfers can be made through computerised book entries . He was a director of <unk> Ltd . ( 1989 – 2000 ) and <unk> Ltd . ( 1997 – 2001 ) , both listed on the Stock Exchange . 
