---

C.J. WATSON & SONS PTY. LIMITED ALLIANCE DENTAL LABORATORIES PTY. LTD. SANTOS (NARNL COOPER) PTY LTD HOWARD QUARRIES PTY. LTD. GELNAR PTY. LTD. IVINGHOE INVESTMENTS PTY. LIMITED KEMP ENTERPRISES PTY. LTD. DEBTON PTY. LTD. EDWARD CHANDRARATNAM NOMINEES PTY. LTD. COLMAR NOMINEES PTY. LTD. LEIPO PTY. LTD. CEMONS PTY. LTD. BIGGIN & SCOTT PROPRIETARY LIMITED MIMP COMPUTER CABLE PTY. LTD. LEXSAND PTY. LTD. BETTABAK PTY. LTD. DR. CLIVE HOFFMANN PTY. LTD. ADELAIDE TAPE DUPLICATORS PTY. LTD. L.R.D. INVESTMENTS PROPRIETARY LIMITED ROTOTECH INVESTMENTS & MANUFACTURING PTY LTD