Exhibit 8.1— List of subsidiaries of BHP Billiton Limited and BHP Billiton Plc
BHP BILLITON LIMITED GROUP STRUCTURE
Entity
141 Union Company—United States
Albion Downs Pty Limited—Australia
Araguaia Participaçðes Ltda—Brazil
BHP (USA) Investments Inc.—United States
BHP Asia Pacific Nickel Pty Ltd—Australia
BHP Billiton (China) Pty Ltd—Australia
BHP Billiton (Trinidad—2C) Limited—Canada
BHP Billiton (Trinidad) Holdings Limited—Saint Lucia
BHP Billiton (Trinidad-3A) Limited—Trinidad and Tobago
BHP Billiton (Trinidad-3B) Corp.—Canada
BHP Billiton (Trinidad-East Coast) Ltd.—Canada
BHP Billiton Agnew Mining Company Pty Ltd—Australia
BHP Billiton Boliviana de Petroleo Inc.—United States
BHP Billiton Brasil Investimentos Ltda.—Brazil
BHP Billiton Brasil Ltda—Brazil
BHP Billiton Capital Inc.—United States
BHP Billiton CBM Investments Pty Ltd—Australia
BHP Billiton Chile Inversiones Limitada—Chile
BHP Billiton China Limited—Hong Kong
BHP Billiton Diamonds (Belgium) N.V.—Belgium
BHP Billiton Diamonds (Eurasia) LLC—Russia
BHP Billiton Diamonds Australia Pty Ltd—Australia
BHP Billiton Diamonds Inc.—Canada
BHP Billiton Direct Reduced Iron Pty Limited—Australia
BHP Billiton Employee Plan Pty Ltd—Australia
BHP Billiton Energy Coal Inc.—United States
BHP Billiton Executive Services Company Pty Ltd—Australia
BHP Billiton Finance (USA) Limited—Australia
BHP Billiton Finance Limited—Australia
BHP Billiton Foreign Holdings Inc.—United States
BHP Billiton Great Boulder Mines Pty Ltd—Australia
BHP Billiton Group Operations Pty Ltd—Australia
BHP Billiton Innovation Pty Ltd—Australia
BHP Billiton International Trading (Shanghai) Co., Ltd.—China
BHP Billiton Investment Holdings Limited—United Kingdom
BHP Billiton Iron Ore Pty Limited—Australia
BHP Billiton Japan Limited—Japan
BHP Billiton Korea Co., Ltd.— Republic of Korea
BHP Billiton LNG International Inc.—United States
BHP Billiton Lonsdale Investments Pty Ltd—Australia
BHP Billiton Marine & General Insurances Pty Ltd—Australia
BHP Billiton Marketing AG—Switzerland
BHP Billiton Marketing Asia Pte Ltd.—Singapore
BHP Billiton Marketing B.V.—The Netherlands
BHP Billiton Marketing Inc.—United States
BHP Billiton Marketing Investments ApS—Denmark
BHP Billiton Marketing Services India Pvt Ltd—India
BHP Billiton Metais SA—Brazil
BHP Billiton Minerals Pty Ltd—Australia
BHP Billiton Named Corporation—Canada
BHP Billiton Nickel Nouvelle Caledonie SAS—New Caledonia
BHP Billiton Nickel West Pty Ltd—Australia
BHP Billiton Olympic Dam Copper Pty Ltd—Australia
BHP Billiton Olympic Dam Corporation Pty Ltd—Australia
BHP Billiton Olympic Dam Gold Pty Ltd—Australia
BHP Billiton Olympic Dam Marketing Pty Ltd—Australia
BHP Billiton Olympic Dam Operations Pty Ltd—Australia
BHP Billiton Olympic Dam Uranium Pty Ltd—Australia
BHP Billiton Petroleum (Americas) Inc.—United States
BHP Billiton Petroleum (Australia) Pty Ltd—Australia
BHP Billiton Petroleum (Bass Strait) Pty Ltd—Australia
BHP Billiton Petroleum (Colombia) Corporation—Canada
BHP Billiton Petroleum (Deepwater) Inc.—United States
BHP Billiton Petroleum (Denmark) ApS – Denmark
BHP Billiton Petroleum (GOM) Inc.—United States
BHP Billiton Petroleum (International Exploration) Pty Ltd—Australia
BHP Billiton Petroleum (Laurentian) Corporation—Canada
BHP Billiton Petroleum (NA/ME-TWO) Corp.—Canada
BHP Billiton Petroleum (Netherlands) B.V – The Netherlands
BHP Billiton Petroleum (North West Shelf) Pty Ltd—Australia
BHP Billiton Petroleum (Pilbara LNG) Pty Ltd—Australia
BHP Billiton Petroleum (Pipelines Investments) Pty Ltd—Australia
BHP Billiton Petroleum (Sabah) Corporation—Canada
BHP Billiton Petroleum (Victoria) Pty Ltd—Australia
BHP Billiton Petroleum Great Britain Limited—United Kingdom
BHP Billiton Petroleum International Pty Ltd—Australia
BHP Billiton Petroleum Investments (Great Britain) Pty Ltd—Australia
BHP Billiton Petroleum Limited—United Kingdom
BHP Billiton Petroleum Pty Ltd—Australia
BHP Billiton Petroleum Trading and Marketing Inc.—United States
BHP Billiton Petroleum Trading and Marketing Pty Ltd—Australia
BHP Billiton Resources (China) Pty Ltd—Australia
BHP Billiton Resources Exploration Pty Ltd—Australia
BHP Billiton Resources International (RSA) Pty Ltd—Australia
BHP Billiton Resources Marketing Pty Ltd—Australia
BHP Billiton Shared Business Services Pty Ltd—Australia
BHP Billiton SSM Indonesia Holdings Pty Ltd—Australia
BHP Billiton SSM Indonesia Pte Ltd—Singapore
BHP Billiton SSM International Pty Ltd—Australia
BHP Billiton Taiwan Limited—Taiwan
BHP Billiton Wesminco Oil Pty Ltd—Australia
BHP Billiton Western Mining Holdings Pty Ltd—Australia
BHP Billiton Western Mining Innovation Pty Ltd—Australia
BHP Billiton Western Mining Resources International Pty Ltd—Australia
BHP Billiton Westmin Talc Pty Ltd—Australia
BHP Billiton World Exploration Inc.—Canada
BHP Billiton Yakabindie Nickel Pty Ltd—Australia
BHP Billiton Yeelirrie Development Company Pty Ltd—Australia
BHP Billiton Yeelirrie Management Services Pty Ltd—Australia
BHP Canadian Diamonds Company—Canada
BHP Capital No. 20 Pty Ltd—Australia
BHP Chile Inc.—United States
BHP Coal Holdings Pty Ltd—Australia
BHP Coal Pty Limited—Australia
BHP Copper Inc.—United States
BHP Development Finance Pty Ltd—Australia
BHP Escondida Inc.—United States
BHP Finance (International) Inc.—United States
BHP Finance (Investments) USA Inc.—United States
BHP Financial Services (UK) Limited—Guernsey
BHP Group Resources Pty Limited—Australia
BHP Hawaii Inc.—United States
BHP Holdings (International) Inc.—United States
BHP Holdings (Operations) Inc.—United States
BHP Holdings (Resources) Inc.—United States
BHP Holdings (USA) Inc.—United States
BHP Holdings International (Investments) Inc.—United States
BHP Internacional Participacoes Ltda—Brazil
BHP International Finance Corp.—United States
BHP Iron Ore (Jimblebar) Pty Ltd—Australia
BHP Iron Pty Limited—Australia
BHP Khanij Anveshana Pvt Limited—India
BHP Madagascar SARL—Madagascar
BHP Madencilik Limited Sirketi—Turkey
BHP Mineral Resources Inc.—United States
BHP Minerals Asia Inc.—United States
BHP Minerals Asia Pacific Pty Ltd—Australia
BHP Minerals Europe Limited—United Kingdom
BHP Minerals Exploration Inc.—United States
BHP Minerals Ghana Inc.—United States
BHP Minerals Holdings Pty Ltd—Australia
BHP Minerals India Pvt Limited—India
BHP Minerals International Exploration Inc.—United States
BHP Minerals International Inc.—United States
BHP Minerals Pacific Inc.—United States
BHP Minerals Service Company—United States
BHP Mitsui Coal Pty Limited—Australia
BHP Navajo Coal Company—United States
BHP Operations Inc.—United States
BHP Peru Holdings Inc.—United States
BHP Petroleum (Argentina) S.A.—Argentina
BHP Petroleum (Ashmore Operations) Pty Ltd—Australia
BHP Petroleum (Cambodia) Pty Ltd—Australia
BHP Petroleum (Pakistan) Pty Ltd—Australia
BHP Petroleum (Tankers) Limited—Bermuda
BHP Petroleum (Tolo) Inc.—Canada
BHP Petroleum (U.K.) Corporation—United States
BHP Petroleum North Sea Limited—United Kingdom
BHP Queensland Coal Investments Pty Limited—Australia
BHP Queensland Coal Limited—United States
BHP Resources Inc.—United States
BHP Titanium Minerals Pty Ltd—Australia
BHP Venezuela DRI Limited—United Kingdom
BHP Venezuela Inc.—United States
BHPB Freight Pty Ltd—Australia
Billiton Investment 12 B.V.—The Netherlands
Billiton Marketing France SARL—France
Billiton Marketing Holding B.V.—The Netherlands
Billiton Marketing SAR (Hong Kong) Limited—Hong Kong
Broadmeadow Mine Services Pty Limited—Australia
Broken Hill Proprietary (USA) Inc.—United States
Broken Hill Proprietary Billiton Mongolia LLC—Mongolia
Bulkers Limited—Liberia
Carson Hill Gold Mining Corporation—United States
Chaco Valley Energy LLC—United States
Corridor Sands Limitada—Mozambique
County Shipping Company Limited—Hong Kong
Dampier Coal (Queensland) Pty Limited—Australia
Dendrobium Coal Pty Ltd—Australia
Dia Met Minerals (Africa) Limited—Cayman Islands
Empresa de Mineracao Jacui Ltda—Brazil
Empresa de Mineracao Seara Ltda.—Brazil
Endeavour Coal Pty Ltd—Australia
Global BHP Copper Ltd.—Cayman Islands
Hamilton Brothers Corporation—United States
Hamilton Brothers Exploration Company—United States
Hamilton Brothers Petroleum Corporation—United States
Hamilton Oil Company Inc.—United States
Hay Point Services Pty Limited—Australia
Illawarra Coal Holdings Pty Ltd—Australia
Illawarra Services Pty Ltd—Australia
IPS USA, Inc.—United States
Jenipapo Recursos Naturais S.A.—Brazil
Keliney Closed Joint Stock Company—Russia
Kendilo Coal Inc.—United States
Marcona International, S.A.—Panama
Mayaniquel SA—Guatemala
Minera BHP Billiton, S.A. de C.V.—Mexico
Minera Escondida Ltda—Chile
Mineracao Wesminas Ltda—Brazil
Oy Alwima Ltd—Finland
P R I Eastern Limited—Cook Islands
Petra Diamonds Alto Cuilo Limited—British Virgin Islands
Pilbara Gas Pty Limited—Australia
Point Lake Marketing Inc.—Canada
PT BHP Billiton Indonesia—Indonesia
PT Gag Nikel—Indonesia
PT Juloi Coal—Indonesia
PT Kalteng Coal—Indonesia
PT Kendilo Coal Indonesia—Indonesia
PT Lahai Coal—Indonesia
PT Maruwai Coal—Indonesia
PT Pari Coal—Indonesia
PT Ratah Coal—Indonesia
PT Sumber Barito Coal—Indonesia
Samancor AG—Switzerland
San Juan Coal Company—United States
San Juan Transportation Company—United States
San Manuel Arizona Railroad Company—United States
Southeastern Petroleum Sales Corporation—United States
The Broken Hill Proprietary Company Pty Ltd—Australia
The Norwegian Oil Corporation (DNO-U.S.)—United States
The World Marine & General Insurance Plc—United Kingdom
UMAL Consolidated Pty Limited—Australia
Western Hog Ranch Company—United States
Western Venture, Inc.—United States
Westmin Talc (U.K.)—United Kingdom
Westminer Insurance Pte Ltd—Singapore
WMC (Argentina) Inc.—United States
WMC (Liberia) Limited—Hong Kong
WMC (Mineral Sands) Limited—Jersey
WMC (Peru) Inc.—United States
WMC Corporate Services Inc.—United States
WMC Exploration Chile SA—Chile
WMC Exploration Inc.—United States
WMC Finance (USA) Limited—Australia
WMC Finance Limited—Australia
WMC Mineracao Ltda.—Brazil
WMC Pty Ltd—Australia
WMC Resources Marketing Limited—Canada
WMC Securities Pty Ltd—Australia
BHP BILLITON PLC GROUP STRUCTURE
Entity
Advalloy (Proprietary) Limited—South Africa
African Metals Limited—South Africa
Aluminium Consortium Venezuela B.V.—The Netherlands
Atlas Steels Company Limited—Canada
Baniettor Mining (Proprietary) Limited—South Africa
BHP Billiton (BVI) Limited—Virgin Islands, British
BHP Billiton (UK) Limited—United Kingdom
BHP Billiton Aluminium Limited—United Kingdom
BHP Billiton Aluminium Projects (Pty) Ltd—South Africa
BHP Billiton Aluminium Technologies Limited—Jersey
BHP Billiton Aluminium Vietnam Jersey Limited—Jersey
BHP Billiton Aluminium Vietnam UK Limited—United Kingdom
BHP Billiton Australia UK Finance Limited—British Virgin Islands
BHP Billiton Company B.V.—The Netherlands
BHP Billiton Energy Coal (UK) Limited—United Kingdom
BHP Billiton Energy Coal Australia Pty Ltd—Australia
BHP Billiton Energy Coal Chile Limited—United Kingdom
BHP Billiton Energy Coal South Africa Limited—South Africa
BHP Billiton Escom Diamonds Limited—British Virgin Islands
BHP Billiton Eurasia B.V.—The Netherlands
BHP Billiton Finance (USA) B.V.—The Netherlands
BHP Billiton Finance Australia Limited—British Virgin Islands
BHP Billiton Finance B.V.—The Netherlands
BHP Billiton Finance South Africa Limited—British Virgin Islands
BHP Billiton Global Aluminium Technology (Proprietary) Limited—South Africa
BHP Billiton Group (BVI) Limited— British Virgin Islands
BHP Billiton Group Limited—United Kingdom
BHP Billiton Holdings B.V.—The Netherlands
BHP Billiton Holdings Limited—United Kingdom
BHP Billiton International Development Limited—United Kingdom
BHP Billiton International Metals B.V.—The Netherlands
BHP Billiton International Services Limited—United Kingdom
BHP Billiton Jersey Limited—Jersey
BHP Billiton Marketing Investments Limited—United Kingdom
BHP Billiton Marylebone B.V.—The Netherlands
BHP Billiton Paddington Limited—United Kingdom
BHP Billiton Plc—United Kingdom
BHP Billiton Properties (Proprietary) Limited—South Africa
BHP Billiton Raw Materials Limited—South Africa
BHP Billiton SA Holdings Limited—South Africa
BHP Billiton SA Investments Limited—United Kingdom
BHP Billiton SA Limited—South Africa
BHP Billiton Services Jersey Limited—Jersey
BHP Billiton South Africa (Jersey) Limited—Jersey
BHP Billiton South Africa Holdings B.V.—The Netherlands
BHP Billiton SSM Development Pty Ltd—Australia
BHP Billiton SSM Technology Pty Limited—Australia
BHP Billiton UK Holdings Limited— British Virgin Islands
BHP Billiton UK Investments Limited—British Virgin Islands
Billiton (RA) B.V.—Netherlands
Billiton Aluminium (RAA) Pty Ltd—Australia
Billiton Aluminium (Worsley) Pty Ltd—Australia
Billiton Aluminium Australia Pty Ltd—Australia
Billiton Aluminium SA Limited—South Africa
Billiton Argentina B.V.—The Netherlands
Billiton Australia Finance Pty Ltd—Australia
Billiton Australia Holdings B.V.—The Netherlands
Billiton Australia Investment 3 Pty Ltd—Australia
Billiton Chile B.V.—The Netherlands
Billiton Coal Australia Holdings B.V.—The Netherlands
Billiton Coal SA Limited—South Africa
Billiton Development (Zambia) Limited—Zambia
Billiton Development B.V.—The Netherlands
Billiton E & D 14 B.V.—The Netherlands
Billiton E & D 3 B.V.—The Netherlands
Billiton Exploration and Mining Indonesia B.V.—The Netherlands
Billiton Exploration and Mining Peru B.V.—The Netherlands
Billiton Exploration Australia Pty Limited—Australia
Billiton Guinea B.V.—The Netherlands
Billiton Indonesia Holdings B.V.—The Netherlands
Billiton Intellectual Property B.V.—The Netherlands
Billiton Investment 1 B.V.—The Netherlands
Billiton Investment 13 B.V.—The Netherlands
Billiton Investment 15 B.V.—The Netherlands
Billiton Investment 2 B.V.—The Netherlands
Billiton Investment 3 B.V.—The Netherlands
Billiton Investment 7 B.V.—The Netherlands
Billiton Investment 8 B.V.—The Netherlands
Billiton Investment 9 B.V.—The Netherlands
Billiton Investments Ireland Limited—Ireland
Billiton Manganese Australia Pty Ltd—Australia
Billiton Manganese Holdings B.V.—The Netherlands
Billiton Marketing Investments B.V.—The Netherlands
Billiton Metals Canada Inc.—Canada
Billiton Nickel (Ravensthorpe) Pty Ltd—Australia
Billiton Nickel Holdings B.V.— The Netherlands
Billiton Resources Canada Inc.—Canada
Billiton Suriname Holdings B.V.—Netherlands
Cerro Matoso Holdings (BVI) Limited—British Virgin Islands
Cerro Matoso SA—Colombia
Chemfos Limited—South Africa
Clear Sky Diamonds Limited—British Virgin Islands
Coal Mines Australia Pty Ltd—Australia
Coal Operations Australia Pty Limited—Australia
Compania Minera Cerro Colorado Limitada—Chile
Conicol BVI Limited—British Virgin Islands
Consolidated Nominees (Proprietary) Limited—South Africa
D&H Coal (Proprietary) Limited—South Africa
Danjan (Proprietary) Limited—South Africa
Donkerpoort Iron Limited—South Africa
Douglas Colliery Limited—South Africa
Douglas Colliery Services Limited—South Africa
Electrolytic Metal Corporation (Proprietary) Limited—South Africa
Emaswati Holding Company (Pty) Limited—Swaziland
Equatorial Diamonds Limited—British Virgin Islands
Ermelo Mines Services (Proprietary) Limited—South Africa
Esidulini (Proprietary) Limited—South Africa
Federale Prospekteerders Beperk—South Africa
Gard Australia Pty Ltd—Australia
Gard Holdings Limited—British Virgin Islands
Gengro Limited—South Africa
Groote Eylandt Mining Company Pty Ltd—Australia
Hard Carbon Limited—Jersey
Helios Diamonds Limited—British Virgin Islands
Hillside Aluminium Limited—South Africa
Honeybourne Investments Pty Ltd—Australia
Hunter Valley Energy Coal Pty Ltd—Australia
Ingwe Housing Association—South Africa
Ingwe Surface Holdings Limited—South Africa
Kangwane Anthracite (Proprietary) Limited—South Africa
Lime Technologies (Proprietary) Limited—South Africa
Main Street 58 (Proprietary) Limited—South Africa
Manganese Metal Company (Proprietary) Limited—South Africa
Manhattan Syndicate Limited—South Africa
McAlpine S.A. Limited—South Africa
Middelburg Mine Services (Proprietary) Limited—South Africa
Middelplaats Manganese Limited—South Africa
Mine and Smelter Investments (Proprietary) Limited—South Africa
Minera Geleen S.A.—Chile
Minera Spence SA—Chile
Minsaco Investments Pty Ltd—Australia
Mt Arthur Coal Pty Limited—Australia
N.V. BHP Billiton Maatschappij Suriname—The Netherlands
Natural Diamond Company Limited—Jersey
New Coal Generacion SA—Chile
New Horizon Diamonds Limited—British Virgin Islands
Noumea Enterprises SA—New Caledonia
Pering Mine (Proprietary) Limited—South Africa
Pering Mine Services Holdings (Proprietary) Limited—South Africa
Pidgeon Molybdenum Mines Limited—Canada
Pienaarsrivier Mynboumaatskappy Beperk—South Africa
Plettenberg Bay Estates Limited—South Africa
PT Billiton Indonesia—Indonesia
QNI (Nouvelle-Caledonie) SA—New Caledonia
QNI International Pty Ltd—Australia
QNI Metals Pty Ltd—Australia
QNI Nickel (WA) Pty Limited—Australia
QNI Philippines Inc—Philippines
QNI Pty Limited—Australia
QNI Resources Pty Ltd—Australia
QNI Western Australia Pty Limited—Australia
Queensland Nickel Pty Ltd—Australia
Queensland Nickel Sales Pty Ltd—Australia
RAL Cayman Inc.—Cayman Islands
Ravensthorpe Nickel Operations Pty Limited—Australia
Richbay Mine Holdings (Proprietary) Limited—South Africa
Richbay Smelter Holdings (Proprietary) Limited—South Africa
Rietspruit Mine Services (Pty) Limited—South Africa
Rio Algom Exploration (Chile) Limitada—Chile
Rio Algom Exploration Inc.—Canada
Rio Algom Investments (Chile) Inc—Canada
Rio Algom Ireland Limited—Ireland
Rio Algom Limited—Canada
Rio Algom Mining LLC—United States
Rio Algom Namibia (Proprietary) Limited—Namibia
Riocerro Inc—Cayman Islands
Riochile Inc—Cayman Islands
Riomexicanex, S.A. de C.V.—Mexico
Roedtan Mining Company Limited—South Africa
Samancor Holdings (Proprietary) Limited—South Africa
Samancor Manganese (Proprietary) Limited—South Africa
San Felipe Mining Limited—British Virgin Islands
Savage & Lovemore Mining (Proprietary) Limited—South Africa
Savannah Diamonds Limited—British Virgin Islands
Settlers Mynboumaatskappy Beperk—South Africa
Sociadad Minera La Granja SA—Peru
Sociedad Contractual Minera Otway—Chile
Sociedade Geral de Mineracao de Mozambique S.A.R.L.—Mozambique
South African Manganese (Proprietary) Limited—South Africa
Stein Insurance Company Limited—Guernsey
Stein Insurance Company Limited—Cayman Islands
Sunrise Diamonds Limited—British Virgin Islands
Tasmanian Electro Metallurgical Company Pty Ltd—Australia
Terra Nominees (Proprietary) Limited—South Africa
Tonmet AG—Switzerland
Transkei Granite Holdings (Proprietary) Limited—South Africa
Transvaal and Delgoa Bay Investment Company Limited—South Africa
Venezuela Aluminium Holding B.V.—The Netherlands
Western Complex Coal (Pty) Ltd—South Africa
Worsley Alumina Pty Limited—Australia
