---

SANBEL PTY LTD MARTHA HAMPTON PTY LTD KINGSIDE HOLDINGS PTY LTD MURPHY SHINGLER PTY LTD ANSUR PTY LTD ARMALOCK PTY LTD PACIFIC UNITED PTY LTD ARRAY HOLDINGS PTY LTD TERMGUARD PTY. LTD. BLACK & VEATCH AUSTRALIA PTY LTD ROBERT LEIGHTON & CO. PTY LTD TECHNOLOGY APPLICATIONS PTY LTD ATRIUM HOLDINGS PTY LTD TABACK & CO PTY LTD CTI SECURITY SYSTEMS PTY LTD KENANDRA PTY LTD WAUKARINGA PTY LTD SHEARWATER BAY PTY LTD J.J.P. PTY LTD SANTOS WA ENERGY LIMITED