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VALHALO PTY LIMITED WALPULI PTY LIMITED LYONS MACHINERY SALES PTY. LTD. HOSPMED SERVICES PTY LIMITED A.C. SMITH & ASSOCIATES PTY. LTD. MABUNA PTY. LTD. LAVENMEAD PTY. LTD. LANDMARA PTY. LTD. LANCARA PTY. LTD. A.C.N. 010 406 185 PTY LTD BOWENVALE PTY. LTD. MAJESTO PTY. LTD. ROSCATH (NO. 2) PTY LIMITED QUILANA PTY LIMITED SECURITY RESEARCH PTY. LTD. ACANTHUS INVESTMENTS PTY. LTD. B.F. DONOHOE MEDICAL PTY. LTD. HAKEA PTY. LTD. TIMOTHY M. O'DOWD (MEDICAL) PTY. LTD. ROGERS ENGINEERING PTY. LTD.