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TERRATEK PTY LIMITED P.F.T. (AUST) PTY LTD KIEFERCO PTY. LTD. ASCOTVALE NOMINEES PTY LTD J & A TESSELAAR PTY. LTD. CROSALLE PTY. LTD. IWELL PTY LTD SENTINEL EQUITIES PTY. LTD. HYDE-HILL NOMINEES PTY LTD CARLLIS PTY LTD MICHAEL WALL COMMUNICATIONS PTY LTD SHURIKEN PTY LTD MATHOB PTY. LIMITED GCN INVESTMENTS PTY LTD WORKABILITY PTY LTD IRONHILL MANAGEMENT PTY. LIMITED CARTWRIGHT CORPORATION PTY LTD ECLIPSE THE MOON PTY LIMITED HARKAWAY INVESTMENTS PTY LTD PREMIUM TECHNOLOGY SYSTEMS PTY LIMITED