---

DREAMHOME REAL ESTATE PTY LIMITED PITTAR NOMINEES PTY LTD ACCLAIM MAGAZINE PTY LTD BENCHMARK MANAGEMENT SERVICES PTY LTD CLUBREN PTY LTD BROOKSFIELD INVESTMENTS PTY LTD PJ & LM FIRTH PTY LIMITED BEANTHEREBUMPTHAT PTY LTD ORIGIN RENEWABLE ENERGY PTY LTD ORIGIN ENERGY GEOTHERMAL HOLDINGS PTY LTD ORIGIN ENERGY GEOTHERMAL PTY LTD SPECIALISED CONCRETE PUMPING SERVICES PTY. LTD. PADA123 PTY. LTD. ORIGIN RENEWABLE ENERGY INVESTMENTS NO 1 PTY LTD G FLANEGAN PTY LTD EVERMORE (GROUP) PTY LTD VAS PROPERTY INVESTMENTS (SA) PTY LTD M & K PROPERTIES PTY LTD SUN PEAKS INVESTMENTS PTY LTD ALACAT PTY LTD