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CENTHEAD PTY LTD CAVERDEEN PTY LTD METALPLUS PTY. LTD. TARTAN TRADING PTY. LTD. GREENS ELECTRICAL & DATA INSTALLATIONS PTY. LTD. GAMAL SERVICES PTY. LTD. G. MOUSA MEDICAL PTY. LTD. DAVID J. LYNCH (MEDICAL) PTY. LTD. JJ 1 INVESTMENTS PTY. LTD. BATEAU NOMINEES PTY. LTD. STRATHWOOD PTY LIMITED STRATHPORT PTY LIMITED DOUG BARTON PTY LIMITED FRANWICK PTY LIMITED FRANSLEY PTY LIMITED FRANITA PTY LIMITED FRANFORD PTY LIMITED FRANDALE PTY LIMITED MARILYN SPINKS PTY. LTD. ORBIS MANAGEMENT PTY. LTD.