---

ROBERTI INVESTMENTS PTY LIMITED T.E. DUNBAN PTY LTD GFA ACCOUNTANTS & BUSINESS ADVISERS PTY LTD ADVANCED INDUSTRY SERVICES PTY LTD KLEIN INVESTMENTS PTY LTD ASKRIGG HOLDINGS PTY LTD QUATTRO INVESTMENTS PTY LTD GOLF ORACLE PTY LTD HYDROCARBON ENGINEERING PTY LTD WATERSHORE INVESTMENTS PTY LTD INTERGLASS PTY LTD MASTER BUILDING WORKS PTY LTD AUCTIONSPLUS PTY LTD ECA 1 PTY LTD INDUSTRIAL COMMUNICATIONS & ELECTRICAL SOLUTIONS PTY. LTD. CJHA PTY LIMITED THUNDERBIRDS ARE GO PTY LIMITED MAAKU PTY LIMITED WRITEMAN PTY LIMITED ARMINELLA PTY LIMITED