Limn Licence Breakdown by Category - 16-April-2009

Licences by Region Licences by Commodity

Region Count Commodity Count Africa 256 Academic 15 Asia 3 Coal 123 Asia Pacific 3 Copper 20 Australia 322 Diamonds 96 Europe 45 Fertiliser 3 Middle East 7 Ferroalloys 1 North America 186 Gold 10 Central America 1 Iron Ore 40 South America 25 Metalliferous 17 Mineral Sands 19 Multiple 221 Nickel 5 Licences by User Type Platinum Group Minerals 5 Salt 1 User Type Count Sugar 2 Contractor 1 Teaching 260 Education 275 Tin 1 Engineering 84 Titanium Pigment 6 In-House Research 14 Uranium 3 In-House Technical 100 Process Consultants 40 Producer 277 Research 25 Laboratory 3 Supplier 29

Limn User list – North America - note that many of these are multiple licencees.

Arch Coal Cleveland-Cliffs - Tilden Mining Company L.C. Colorada School of Mines De Beers - Canada Elk Valley Coal Corporation - Elkview Operations Elk Valley Coal Corporation - Fording River Operations Falconbridge Limited - Raglan Mine GENIVAR Société en commandite Hatch Associates Ltd., Pittsburgh John Orr Kerr McGee Corporation - OK City Knelson Gravity Solutions McGill University Montreal MinnovEX Technologies Montana Tech Newmont Mining Corporation Noranda - Matagami Mine - Quebec Noranda USA Norwest Corporation Outokumpu Technology - Minerals Processing - Jacksonville Florida Peabody Energy Peace River Coal PrepTech Taggart Global Teck Cominco Research University of Kentucky Virginia Tech Limn User list – International - note that many of these are multiple licencees.

A & B Mylec Pty Ltd - Catherine Hill Bay Drayton - Anglo Coal (Drayton Rockhampton CCA Brisbane Management) Pty Ltd ACIRL Brisbane (Booval) Cementos Pacasmayo S.A.A. Duiker ACIRL Maitland (Telarah) Peru Elk Valley Coal (Fording River ADP Projects Cerro Verde Operations - Canada) " Arcelor Mittal – Kazakhstan Citadel Resource Grpup Elk Valley Coal Corporation - Amcoal Cleveland-Cliffs - Tilden Mining Elkview Operations AMPLATS Amandebult Company L.C. Elk Valley Coal Corporation - Amplats Head Office Coal & Allied Operation Pty Ltd Fording River Operations AMPLATS Waterval Codelco El Teniente Chile Engenium Pty Ltd Concentrator Colorada School of Mines Eskom Anglo American Research Labs Compañía Minera Ares SAC Eurus Mineral Consultants Anglo Coal Australia - Dartbrook Compania Minera Santa Luisa Exxaro Feroalloys Anglo Platinum SA Exxaro R & D Anglovaal Mining (AVMIN) Consolidated Rutile Limited Exxaro Resources ANI Melbourne Consultant, Tamborine Exxaro - Rosh Pinah Zinc ANSTO COPRIM Ingeniería S.A. Corporation Applied Mineral Technologies CRA-ATD Melbourne Falconbridge Limited - Raglan Arch Coal CRA-ATD Perth Mine ARCO Mining - Brisbane CSBP - Kwinana Fluor - Santiago - Chile Ausenco Limited - Brisbane CSIRO Division of Coal & Fluor Brisbane Ausenco Limited - Perth Energy Technology - North Fluor Daniel Brisbane Avmin Ltd Ryde Gekko Systems Bateman Kinhill - Brisbane CSIRO Melbourne GENIVAR Société en Bateman Kinhill - Perth CSIRO Minerals - Bentley WA commandite Bateman Kinhill - Sydney (AJ Parker Centre) GHD Services Pty Ltd Bateman Minerals CSIRO QCAT Gordonstone Coal Bateman Projects CSIRO QCAT Brisbane GRD Minproc Limited Batemans Minerals & Metals Curtin University - WASM GRD Minproc Limited - Sth Bechtel Australia (Boyne Dampier Salt Limited - Dampier Africa Smelters) Division Hacettepe University BHP Australia Coal Mackay Dan Groznian - Consultant - Sth Hail Creek Coal BHP Billiton Africa Hamersley Iron BHP Billiton - Chile Darren Mathewson (Process Hamersley Iron Dampier / Tom BHP Billiton - Innovation - Solutions NSW) Price Newcastle Technical dataprocess GmbH (K+S Hamersley Iron Paraburdoo Centre Gruppe Germany) Hamersley Iron Pty Limited BHP Billiton Base Metals Dawson Metallurgical Services Hatch Africa Adealide - ODX project De Beers - Canada Hatch Associates - Brisbane BHP Billiton Minerals Pty Ltd - De Beers - Cullinen Hatch Associates Ltd., IRON Perth Corporate De Beers - Debmarine Pittsburgh BHP Billiton Olympic Dam De Beers - Debswana HBH Perth Corporation P/L De Beers - Debtech HI Perth BHP Coal, Blackwater De Beers - Finsch Hochschild Mining Plc BHP Coal, Saraji Mine De Beers - HeadOffice Ian Wark Research Institute BHP Engineering - Brisbane De Beers - Jagersfontein Illawarra Coal (BHPB) (then HATCH) De Beers - Jwaneng Iluka Resources Limited BHP Engineering Perth De Beers - Kimberley ILUKA Resources Limited - BHP Finucane Island De Beers - Kimberley Geology Perth Engineering BHP Gregory De Beers - Koffiefontein IMI (TAMI) Inst for R&D Ltd - BHP Mitsui De Beers - Marine Israel BHP Steel Wollongong De Beers - Namaqualand Mine IMPLATS Minerals Processes BHP TTT Mackay De Beers - Namdeb IMS Engineering BHPAC Goonyella De Beers - Orapa INGWE Coal South Africa BHPAC Gregory De Beers - Premier Integra Coal Operations Pty Ltd BHPAC Norwich Park De Beers - Research Lab ISCOR - Grootgeluk Mine Billiton Process Research De Beers - The Oaks ISCOR HQ BMA De Beers - Venetia Iscor Mining Consulting BMA Brisbane Office De Beers Consulting Services BMA Central Qld De Beers Corporate Jellinbah Coal (QCC AddIn) BMA Coal - CQO De Beers Group Services JETFLOTE Pty Ltd BMA Coal Gregory Mine De Beers GTS JKTech BMA Norwich Park De Beers Minred Joemetpro BMI (Batemans) De Beers MRM R&D John Finlay Engineering Pty Ltd Boddington Gold Mine De Beers T.S.S. John Orr Broadlee Coal JV De Beers Venetia Jon Glatthaar - Brisbane Bulga Coal Management Ltd Debswana Diamond Comp. (De Kagara Copper Pty Ltd Bundaberg Sugar Beers) Kanawha Scales & Systems Burton Coal Dorr Oliver Kerr McGee Cadia Holdings Downer EDI Mining (Perth) Kerr McGee / Tiwest Kwinana (Bechtel/Minproc) DRA - Johannesburg Kerr McGee Corporation - OK Capricorn Coal Management, DRA Pacific City German Creek Kerr-McGee Pigment (Holland) Newmont Mining Corporation RMD Melbourne B.V Noranda - Matagami Mine - Roberts & Schaeffer Brisbane Kestrel Coal Joiunt Venture Quebec Roche Mining Pty Ltd / Roche Khar-Dan Metallurgy Noranda USA Bros Pty Ltd Kleinkopjie Norwest Corporation Rotem Amfert Negev Ltd Knelson Gravity Solutions Nottinham University Sedgman Limited Koeppern - Perth Ok Tedi Shell Coal Brisbane Köppern Aufbereitungstechnik OMG Harjavalta Nickel Oy Sinclair Knight Merz GmbH & Co. KG Onyx Projects Pty Ltd Sino Mining Limited Krupp Germany Orway Mineral Consultants, SRK Consulting Kumba Base Metals Perth St Ives Gold Mine (Goldfields Kumba Iron Ore Ltd Sishen Outokumpu - Perth Australia) Kumba Resources Ltd Outokumpu Research Oy - Stirling Process Engineering Kumba Resources Ltd R&D Hydromet Pori Stratford Coal Kumba Rosh Pinah Outokumpu Technology - Taggart Global Kumba Technology Minerals Processing - Technological Resources Pty Kvaerner Metals Davy Jacksonville Florida Ltd (Rio Tinto Iron Ore) Langkilde Engineering Services Outokumpu Technology Teck Cominco Research - Perth Australia Pty Ltd, Perth Thiess Process Engineering, Linatex Outokumpu Technology Gmbh - Brisbane Long Airdox Australia Oberursel Germany Tiwest Bentley LTA Process Engineering Outokumpu Technology Tiwest Joint Venture Kwinana Ludowici Mineral Processing Minerals Processing Tiwest Pty Ltd - Chandala / Equipment OUTOKUMPU TECHNOLOGY Coorljarloo " Lycopodium Pty Ltd OY Trafigura Services M&R Engineering Solutions Oz Minerals TUNRA Macmahon Contractors Pty Ltd Parnaby Cyclones University of Cape Town / - Perth Parsons Brinckerhoff Australia Stellenbosch Mafube Coal Mining (Pty) Ltd. Pty Limited (PB) University of Kentucky Magotteax – Perth Pasminco Broken Hill University of Newcastle - Dept McGill University Montreal Peabody Energy of Chem Eng MDM Pty Ltd Peabody Pacific Limited University of NSW - Sydney Metallurgical Project Peace River Coal NSW Consultants Pty Ltd Peak Downs University of Potchefstroom Metallurgy International Pty Ltd Pegasus Gold - Mt Todd Mine University of Witwatersrand Meteng Pty Ltd Peñoles Mexico Vaal Technikon Metplant Engineering Services Petaquilla Minerals S.A. Virginia Tech Pty Ltd Pilbara Iron - Riotinto Wambo Colliery Metso Minerals Process Yandicoogina Wesfarmers Currragh Technology (Asia-Pacific) Plenge (Labs) - Lima - Peru Western Areas Gold (Sth Africa) Micon Portman Iron Ore Western Platinum MIM Process Technologies PrepTech WMC - Mt Keith Brisbane Pretoria University WMC (Olympic Dam Corp) Pty Minera Valle Central S.A. PROCAS Pty Ltd Ltd Mineral Engineering Technical Process Engineering & WMC P&E Perth Services Pty Ltd Technology Worley Limited - Newcastle Mineral Processing Consultants Process Technology Services WorleyParsons Pty Ltd Promet Engineers Africa Xstrata Mineral Technologies - Gold Promet Engineers Perth Xstrata Coal SA - Coast Proteus Engineers Goedgevonden Project Mining & Met, Uni of Qld ProtoCOAL Xstrata Mt Owen MinnovEX Technologies PT. Bahari Cakrawala Sebuku Xstrata Technology Minproc Sydney QCC Resources Pty Ltd MinProcesSer Pty Ltd R & D Peck Consultancy Pty Ltd

Minserve Resources Engineering & Minsur - San Rafael - Peru Management Pty Ltd Mintek RGC Mineral Sands Limited - Montana Tech Eneabba Moranbah North Coal CHPP Rio Tinto Coal Australia Mount Isa Mines Rio Tinto Diamonds - Mount Thorley Operations Technology and Innovation (Coal) Rio Tinto Iron Ore - Paraburdoo Moura Mine Rio Tinto Iron Ore - Perth MultiMix Systems - Perth Rio Tinto Iron Ore - Tom Price Multotec " Murdoch University School of Rio Tinto Iron Ore - West Engineering / AJ Parker Angelas Centre Rio Tinto Iron Ore Atlantic Murdock University - Perth WA Limited Namakwa Sands - Exxaro Rio Tinto Technical Services National Mining Company of (Milsons Point NSW) Oman (Mawarid Mining) RioTinto / ERA / ANSTO Newmont - Adelaide RioTinto Coal - Planning & Newmont - Perth Technology Newmont Australia Pty Ltd RioTinto Technical Services