---

WESTERN RETURN PTY LTD K & P INVESTMENT GROUP PTY LTD S, B AND M MCKENZIE SUPER FUND PTY LTD FISHER & FISHER PTY LTD SHIROKUMA PTY LTD HYDROCARBON DYNAMICS AUSTRALIA PTY LTD J & H FENG PTY LTD LFRF PTY LTD JAY PROPERTY INVESTMENTS PTY LTD HEARTWOOD FINANCIAL PTY LTD INDIGO FARM PTY LTD DEJAGA SUPER PTY LTD MELBOURNE VINTAGE PENS PTY. LTD. HIFLOW DRAINAGE & EXCAVATION PTY LTD A.C.N. 155 140 159 PTY. LTD. PELLIZZER PTY LTD WHITEHORSE ROAD PTY LTD POSTERBILL PTY LTD ESSENTIAL MECHANICAL SERVICES PTY LTD PETTEN HOLDINGS PTY LTD