---

O'DOWD ENGINEERING PTY LTD KASHE INVESTMENTS PTY LTD KIANA PROPERTY PTY LTD ROBIN & AMY PTY LTD KARSHA PUBLISHING PTY LTD. TCSM ENGINEERING CONSULTANTS PTY LTD MOLLITIAM PTY. LTD. BSZR PTY LTD J CREWING PTY LTD SINGULARITY DEVELOPMENT PTY LTD BRIKEN GROUP LABOUR SERVICES PTY LTD YORKE NOMINEES PTY LTD KAI CEN PTY LTD BRIKEN GROUP EQUIPMENT PTY LTD DA ZANG PTY LTD AUGEO GEOTECHNICS PTY LTD FITZJOHN HEAVY INDUSTRIES PTY LTD MANZURA PTY LTD YORKE HOLDINGS PTY LTD IMMANUEL CONSULTANCY PTY LTD