Collaborative drilling initiative Representative Drillhole From a Larger Program Y Drillhole Program Comments Olympic Dam Map / Unit Number 623700545 Max Drilled Depth (m) 999 Max Drilled Date 28/03/2006 Cored Length Tenement SML 1 Operator BHP Billiton OD Corp. Pty Ltd. Target Gold, Base Metals, Uranium Oxide General Comments Drilling targeting IOCGU style mineralisation. Dip -90 Azimuth 0 Class Mineral Water Well Petroleum Engineering Stratigraphy

Datum GDA2020 Coordinate Source GPS Standalone Navigational MGA Easting 680793.87 MGA Northing 6630056.38 MGA Zone 53 Long Degrees 136 Long Minutes 52 Long Seconds 58.363 S Lat Degrees 30 S Lat Minutes 26 S Lat Seconds 53.086 Long Degrees Decimal 136.8828787 Lat Degrees Decimal -30.4480794 Horizontal Accuracy 10 Map 250K SH5312 ANDAMOOKA Map 100K 6237 Mattaweara Map 50K 2 SA Geodata - Database Reference Site No 1988292