---

J & M HARDY MANAGEMENT (N.T.) PTY. LTD. POINTERRA LIMITED WISELINK PTY. LIMITED VIEWCAST PTY. LIMITED THORNET PTY. LIMITED MACKAY COMMUNICATIONS (QLD) PTY. LTD. HOWE BUILDING CONTRACTORS PTY. LTD. WILLBEE PTY. LTD. SERALOT PTY. LIMITED JOYCREST PTY. LIMITED IDAVANT PTY. LIMITED HEMGLADE PTY. LIMITED FAIRNELL PTY. LIMITED ARCMOND PTY. LIMITED ASH SYNDICATE PTY LTD INFORMAT PTY LTD SPILL CARE ENVIROMENTAL PTY LTD PROFESSIONAL SOFTWARE DESIGN PTY LTD DELINEAR PTY LTD PARCDALE PTY LTD