---

ROBERT HALE PTY LIMITED OPM NOMINEES PTY LTD I.S.F. PTY. LTD. GREG HUGGETT PTY. LIMITED CMN (AUSTRALIA) PTY. LTD. RULWALLA PTY. LTD. DANIEL K.S. CHEUNG PTY. LTD. DETECTION SYSTEMS (MARKETING) PTY. LTD. A.J. ALLEY PTY. LTD. AUSTWAY TECHNOLOGY PTY LTD SANDFORD GEM PTY. LTD. MAITLAND VALLEY PTY. LTD. STRATFORD BRIDGE PTY. LTD. S. & I. PETERKIN PTY. LTD. OLYMPUS BANNER PTY. LTD. OLYMPUS BAY PTY. LTD. PANORAMA CLOSE PTY. LTD. PARKHURST COVE PTY. LTD. RIVERSIDE CREST PTY. LTD. ROSEMARY DELL PTY. LTD.