---

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 SERIOSO PTY LIMITED DEME PTY. LIMITED ELECTRO-POWER & DATA EQUIPMENT PTY. LIMITED PJ & JA BAGULEY PTY LTD N & R NOMINEES PTY LTD WAYNE WARSKITT PTY LIMITED