---

TETRATHERIX INDUSTRIES PTY LIMITED BOYCE SUPER FUND NOMINEES PTY LTD S & K ENTERPRISES PTY LTD FAMILYWISE CASTLE HILL PTY LTD FARUFAZ INVESTMENTS PTY LTD TETRATHERIX TECHNOLOGY PTY LIMITED SHARKWOOD PTY LTD PROFESSIONAL DEVELOPMENT TRAINING MELBOURNE PTY LTD AFFINITY FIRE ENGINEERING PTY LTD LU MARKETING AND CONSULTING PTY. LTD. PERCY RESOURCES PTY LTD C E GRAY INVESTMENTS PTY LTD LUCKY GOSFORD INVESTMENTS PTY LTD CLEANMASTER INVESTMENTS PTY LTD DROMAR INVESTMENTS PTY LTD FAMILICA PTY LTD HABIB FAMILY SUPER PTY LTD ADAMO ADVISORY PTY LTD FUTURE SUPERANNUATION NOMINEE PTY LTD 3SHAPE AUSTRALIA PTY LTD