---

INTERNETWORKING SUPPORT PTY LTD KINGSTON BRIDGE ENGINEERING PTY LTD JACT HOLDINGS PTY LTD GIORGIO NOMINEES PTY LTD MINDALLA FARM PTY LTD SUMMITSTAR PTY LTD TALLTREE HOLDINGS PTY LTD CALMACRETE PTY LTD PANTELLO PTY LTD SILVERSAND PTY LTD AIR AND MINE EQUIPMENT INSTITUTE OF AUSTRALASIA YAMTE ENTERPRISES PTY LTD P & K SAUNDERS PTY LTD MATILDA (MYRTLEFORD) PTY LTD DURAPOL PTY LTD CUSCHIERI PTY LTD LINARCH PTY LTD SEDMIK PTY. LIMITED SELLECKS NOMINEES PTY. LTD. PROTOCOL AUSTRALIA PTY LTD