EXHIBIT 8.1 THE BOC GROUP PLC List of subsidiary and associated undertakings and other significant holdings pursuant to Section 231 and Schedule 5 of the Companies Act 1985 as at 30 September 2004. Except where otherwise stated, the shares held are Ordinary shares. (a) = Subsidiary undertaking by virtue of Section 258(2)(c) of the Companies Act 1985. * = Shares held through a subsidiary or associated undertaking. COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- Indura Argentina S.A. Argentina *41 BOC Gases Aruba N.V. Aruba *100 Auscom Holdings Pty Limited Australia *50 BOC AIP (a Limited Partnership) Australia *100 BOC Australia Pty Limited Australia *100 *100 'J' Pref shares BOC Limited Australia *100 BOC Gases Finance Limited Australia *100 BOC Group Pty Limited Australia *100 Boggy Creek Pty Limited Australia *100 CC Energy Pty Limited Australia *50 CIG Products Pty Limited Australia *100 Commonwealth Industrial Gases Pty Limited, The Australia *100 Elgas Autogas Pty Limited Australia *50 Elgas Limited Australia *50 Elgas Reticulation Limited Australia *50 OccCorp Pty Limited Australia *25 Pacific Engineering Supplies Pty Limited Australia *100 Pacific Industrial Supplies Pty Limited Australia *100 Pan-Pacific Welding Pty Limited Australia *100 South Pacific Welding Group Pty Limited Australia *100 Tiamont Pty Limited Australia *50 Unigas JV Partnership Australia *25 Bangladesh Oxygen Limited Bangladesh *60 BOC Bangladesh Limited Bangladesh 60 SA BOC Edwards NV Belgium *100 Hydrogen Company of Paraguana Limited, The Bermuda *100 Priestley Company Limited Bermuda *100 Afrox Limited Bophuthatswana *56 Afrox Gas & Engineering Supplies (Botswana) Botswana *56 (Pty) Limited Botswana Oxygen Company (Pty) Limited Botswana *56 Handigas (Botswana) (Pty) Limited Botswana *56 Healthcare Management Services (Pty) Limited Botswana *20 Heat Gas (Pty) Limited Botswana *42 BOC Edwards Brasil Limitada Brazil *100 BOC Gases do Brasil Limitada Brazil *100 AUECC (BVI) Holdings Limited British Virgin Islands *50 BOC Lienhwa (BVI) Holding Company Limited British Virgin Islands *50 Pure Quality Technology Limited British Virgin Islands *50 1 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- Shine Sky International Company Limited British Virgin Islands *50 Unique Gas (BVI) Company Limited British Virgin Islands *99 Brunei Oxygen Sdn Bhd Brunei *25 177470 Canada Inc Canada *100 177472 Canada Inc Canada *100 44001 Ontario Limited Canada *100 BOC Canada Limited Canada *100 Burke Holdings Limited Canada *100 Hibon Inc Canada *100 BOC de Chile S.A. Chile *100 Compania de Hidrogeno de Talcahuano Limitada Chile *100 Indura S.A., Industria y Comercio Chile *41 Asia Union (Shanghai) Electronic Chemical Co Limited China *50 BOC (China) Holdings Company Limited China *100 BOC Gases (Nanjing) Chemical Park Company Limited China *100 BOC Gases (Nanjing) Company Limited China *100 BOC Gases (North) Company Limited China *100 BOC Gases (Shanghai) Corporation Limited China *100 BOC Gases (Suzhou) Company Limited China *100 BOC Gases (Tianjin) Company Limited China 100 BOC Gases (Wuhan) Company Limited China *100 BOCLH Industrial Gases (Kunshan) Company Limited China *50 BOCLH Industrial Gases (Songjiang) Company Limited China *50 BOCLH Industrial Gases (Suzhou) Company Limited China *50 BOCLH Industrial Gases (Waigaoqiao) Company Limited China *50 BOCLH Industrial Gases (Zhangjiang) Company Limited China *50 BOC TISCO Gases Company Limited China 50 BOC Trading (Shanghai) Company Limited China *100 Dalian BOC Carbon Dioxide Company Limited China *50 Edwards Tianli (Beijing) Pharmaceutical Systems Company Limited China *50 Guangkong Industrial Gases Company Limited China *25 Guangzhou GNC Carbon Dioxide Company Limited China *25 Guangzhou GNIG Industrial Gases Company Limited China *30 Guangzhou Pearl River Industrial Gases Company Limited China *25 Maoming Coolants Carbon Dioxide Company Limited China *25 Nanjing BOC-YPC Gases Company Limited China *50 Panyu GNC Carbon Dioxide Company Limited China *25 Shanghai BOC Industrial Gases Company Limited China 50 Shanghai BOC Qing Pu Industrial Gases Company Limited China *35 Shanghai Hongbao Medical Gases Company Limited China *24 Shanghai Huayi Microelectronic Material Company Limited China *25 Shenzhen Feiying Industrial Gases Company Limited China *45 Shenzhen South China Industrial Gases Company Limited China *25 CO2 Colombiano Limitada Colombia *37 Comingas SA Empresa de Servicios Publicos Colombia *74 Gases Industriales de Colombia SA Colombia *74 Ingemedicas Santander Limitada Colombia *74 BOC Edwards s.r.o. Czech Republic *100 GIST Czech Republic s.r.o. Czech Republic *100 Solecsa Soldaduras Ecuatorianas S.A. Ecuador *34 2 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- 3 Shires (Cutting & Welding Automated) Limited England *88 3 Shires Cutting & Welding Limited England *90 Agrinon Company England 100 Airco Coating Technology Limited England 100 100 'A' Ordinary 100 'B' Ordinary Anaquest Limited England 100 Anglian Industrial Gases Limited England 100 Applied Vision Limited England 100 BOC America Holdings England *100 BOC Chile Holdings Limited England *100 BOC CIS Limited England 100 BOC Concentrator Services Limited England 100 BOC Cryoplants Limited England 100 BOC Distribution Services Limited England 100 BOC Dutch Finance England *100 BOC Edwards Chemical Management Europe Limited England 100 BOC (Europe) Holdings Limited England 100 BOC Health Care Limited England 100 BOC Helex Limited England 100 BOC Holdings England 100 BOC Holland Finance Limited England 100 BOC Investment Holdings Limited England 100 BOC Investments (Luxembourg) Limited England *100 BOC Investments No.1 Limited England *100 BOC Investments No.2 Limited England *100 BOC Investments No.3 Limited England 100 BOC Investments No.4 England *100 BOC Investments No.5 Limited England 100 100 Ordinary A shares BOC Ireland Finance England *100 BOC Japan England 100 BOC Japan Holdings Limited England *100 BOC Korea Holdings Limited England 100 BOC Limited England *100 BOC Luxembourg Finance England *100 BOC Netherlands Finance Limited England 100 BOC Netherlands Holdings Limited England 100 100 7.2% Cum Red Pref BOC Nominees Limited England 100 BOC Overseas Finance Limited England 100 BOC Overseas Finance No.2 Limited England 100 *100 5% Cum Pref BOC Pensions Limited England 100 BOC Pension Scheme Trustees Limited England 100 BOC Poland Holdings Limited England 100 BOC RSP Trustees Limited England 100 BOC Russia Holdings Limited England 100 BOC SEPS Trustees Limited England 100 BOC Share Scheme Trustee Limited England 100 BOC Technologies Limited England 100 BOC Trustees No.4 Limited England 100 British Industrial Gases Limited England 100 British Oxygen Company Limited, The England 100 100 Deferred Ord 100 Preferred Ord Calumatic (United Kingdom) Limited England 100 Cotswold Industrial & Welding Supplies Limited England *100 3 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- Cryostar Limited England 100 Cyprane Limited England 100 Edwards High Vacuum International Limited England *100 Express Industrial & Welding Supplies Limited England *95 EHVIL Dissentients Limited England 100 Fluorogas Limited (in administration) England 100 Future Industrial and Welding Supplies Limited England *100 Gaffney Industrial & Welding Supplies Limited England *80 Gas Instrument Services Limited England *84 Gas Services Holdings Limited England 100 GIST Limited England *100 *100 5% Cum Pref *100 5% Cum B Pref G L Baker (Transport) Limited England 100 Handigas Limited England 100 100 Management Hick, Hargreaves and Company Limited England *100 Indonesia Power Holdings Limited England 100 Industrial and Welding Management Limited England *100 Industrial & Welding Supplies (North West) Limited England *100 Islebroad Limited England *100 Leengate Hire Limited England *100 Leengate Industrial & Welding Supplies (Scotland) Limited England *75 Leengate Welding Group Limited England *100 Leengate Industrial & Welding Supplies Limited England *90 Leengate Industrial & Welding Supplies (Lincoln) Limited England *90 Leengate Industrial & Welding Supplies (North East) Limited England *75 Leengate Industrial & Welding Supplies (Nottingham) Limited England *80 Medishield Limited England 100 Medispeed Limited England 100 100 8% 1st Cum Red Pref 100 8% 2nd Non-Cum Red Pref Pennine Industrial & Welding Supplies Limited England *94 Plasma Products Limited England 100 Proportioncharm Limited England *100 Rock Industrial & Welding Supplies Limited England *75 Seabrook Industrial & Welding Supplies Limited England *100 Sharp Times Limited England *95 Spalding Haulage Limited England 100 Storeshield Limited England *100 *100 Deferred Transhield Limited England 100 Viggo Limited England 100 Viggo-Spectramed Limited England 100 W&G Supplies Limited England *80 Welder Equipment Services Limited England *75 Welding Products Holdings Limited England 100 Welding Wires (Midlands) Limited England *80 Wessex Industrial & Welding Supplies Limited England *100 BOC Fiji Limited Fiji *90 BOC Finland Oy Finland *100 BOC Group SAS, The France *100 Cryostar SAS France *100 4 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- Edwards SAS France *100 Hibon International SA France *100 Hibon SAS France *100 Societe de Mecanique Magnetique France *87 BOC Edwards GmbH Germany *100 BOC Gase Deutschland GmbH Germany *100 Weno Verwaltungsgesellschaft mbH Germany *100 Wilhelm Klein GmbH Germany *100 BOC Group Limited, The Hong Kong *100 British Oxygen (Hong Kong) Limited Hong Kong *100 HKO Development Company Limited Hong Kong *50 Hong Kong Oxygen & Acetylene Company Limited Hong Kong *50 'A' Ordinary Lien Hwa Industrial Gases (HK) Company Limited Hong Kong *50 New Sino Gases Company Limited Hong Kong *50 BOC India Limited India 55 P.T. BOC Gases Indonesia Indonesia *100 P.T. Gresik Gases Indonesia Indonesia *90 P.T. Gresik Power Indonesia Indonesia *90 P.T. Soxal Batamindo Industrial Gases Indonesia *35 Associated Irish Gases Limited Ireland *100 BOC Gas Services Limited Ireland *100 BOC Gases Ireland Holdings Limited Ireland *100 BOC Gases Ireland Limited Ireland *100 BOC Investment Holding Company (Ireland) Limited Ireland *100 BOC Investments Ireland Ireland *100 BOC (Trading) Limited Ireland *100 Oxygenerators Limited Ireland *100 Priestley Dublin Reinsurance Company Limited Ireland *100 BOC Edwards S.p.A. Italy *100 Air Liquide Japan Welding Ltd Japan *44 A-TEC Ltd Japan *44 BOC Edwards Japan Ltd Japan *100 BOC Japan Ltd Japan *99 Boucho Daisan Ltd Japan *44 Chemical Gases Ltd Japan *22 Chubu Daisan Ltd Japan *44 Chubu Helium Center KK Japan *23 Chugoku Daisan Engineering Ltd Japan *44 Daisan Engineering Ltd Japan *44 Daisan Gas Center Ltd Japan *44 Daisan Gas Shoji Ltd Japan *44 Daisan Service Ltd Japan *44 Fukuoka Daisan Ltd Japan *24 Himeji Daisan Ltd Japan *35 Japan Air Gases Ltd Japan *44 Kagoshima Oxyton Ltd Japan *33 Kansai Gas First Ltd Japan *29 Kansai Teisan Gas Ltd Japan *44 Kanto Daisan Ltd Japan *44 Keiyo Teisan Ltd Japan *22 Kinuura Kogyo Gas Ltd Japan *27 Kitakanto Gas Center Ltd Japan *22 5 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- Kitakyushu Oxyton Ltd Japan *35 KK Air Liquide Hamamatsu Japan *44 KK Air Liquide Hiroshima Japan *27 KK Air Liquide Hokuetsu Japan *44 KK Air Liquide Kitakyushu Japan *26 KK H.B.R. Japan *23 KK Japan Helium Center Japan *40 KK Kawasaki Oxyton Japan *27 KK Mizushima Oxyton Japan *44 KK Obara Gas Center Japan *27 KK Seishin Japan *44 KK Ultra Clean Manufacturing Technology Co Japan *30 Kondo Shoji Ltd Japan *31 Kumamoto Oxyton Ltd Japan *31 Kurayoshi Sangyo Ltd Japan *44 Kurosaki Sanso Ltd Japan *22 Kyoto Teisan Ltd Japan *24 Kyushu Daisan Ltd Japan *44 Kyushu Helium Center Japan *22 Matsuyama Oxyton Ltd Japan *27 Nagasaki Sanso Ltd Japan *27 Naniwa Sanso Japan *22 Nihon Cryogenics Ltd Japan *22 Niigata I.G.S. Ltd Japan *27 O I Gases Ltd Japan *22 Osaka Sanso Production Ltd Japan *44 OSK Instrument Ltd Japan *44 S2M-Japan Co Ltd Japan *44 S.T. Specialty Gas Ltd Japan *22 Sagami I.G.S. Ltd Japan *22 Seitetsu Oxyton Ltd Japan *27 Shiga Gas Center Ltd Japan *22 T.S. Unyu Ltd Japan *44 T.T. Tech Ltd Japan *27 Takamatsu Teisan Japan *27 Teisan Acetylene Ltd Japan *22 Tokai Gas United Ltd Japan *23 Tokyo Daisan Engineering Ltd Japan *44 Tokyo Medical Gas Ltd Japan *31 Tokyo Teisan Ltd Japan *44 Tottori Minami Yoshikata N2 Gas Centre Ltd Japan *20 Uchiura Gas Center Ltd Japan *31 VitalAire Japan Ltd Japan *44 VitalAire Yokohama Ltd Japan *27 Yokkaichi Oxyton Ltd Japan *27 Yokohama Teisan Ltd Japan *22 Alboc (Jersey) Limited Jersey *50 'A' and 'C' shares BOC Australian Finance Limited Jersey *100 Bocial (Jersey) Limited Jersey *50 'A' Ordinary *50 'A' Red Pref Shares BOC Preference Limited Jersey *100 Valboc Holdings (Jersey) Limited Jersey *50 Valboc (Jersey) Limited Jersey *40 BOC Kenya Limited Kenya *65 East African Oxygen Limited Kenya *65 BOC Edwards Chemical Management Korea Limited Korea 100 6 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- BOC Gases Korea Company Limited Korea *100 *100 Preferred shares BOC Systems Limited Korea *100 Shinil Cryogenic Materials Limited Korea *49 Songwon Edwards Limited Korea *97 Sungwoo BOC Co Limited Korea *50 BOC Systems Limited Korea *100 Afrox Lesotho (Pty) Limited Lesotho *56 Lesotho Oxygen Company (Pty) Limited Lesotho *56 BOC Luxembourg No. 1 Sarl Luxembourg *100 BOC Luxembourg No. 2 Sarl Luxembourg *100 Mocoh Gas Madagascar Madagascar *28 BOC Malawi Limited Malawi *42 Electrode Manufacturing Company Limited Malawi *42 Transarc Saffire Limited Malawi *42 Malaysian Oxygen Berhad Malaysia *23 MOX Gases Berhad Malaysia *23 MOX Gases (JB) Sdn Berhad Malaysia *23 MOX Gebeng Industrial Gases Sdn Berhad Malaysia *23 MOX Sha Alam Industrial Gases Sdn Berhad Malaysia *23 MOX Welding Products Sdn Berhad Malaysia *23 Afrox International Limited Mauritius *56 Les Gaz Industriel Limited Mauritius *21 Mocoh Trading Mauritius Limited Mauritius *30 BOC Gases de Mexico S.A. de C.V. Mexico *100 Compania de Nitrogeno de Cantarell S.A. de C.V. Mexico *65 Compania de Operaciones de Nitrogeno S.A. de C.V. Mexico *100 Servicios de Cantarell S.A. de C.V. Mexico *65 Servicios de Operaciones de Nitrogeno S.A. de C.V. Mexico *100 BOC Gases Mozambique Limited Mozambique *56 Gas & Welding Products (Nambia) (Pty) Limited Namibia *56 IGL Properties (Pty) Limited Namibia *56 IGL (Pty) Limited Namibia *56 BOC BV Netherlands *100 BOC Edwards Pharmaceutical Systems BV Netherlands *100 BOC Europe Holdings BV Netherlands *100 BOC Group BV, The Netherlands *100 BOC Investments BV Netherlands 100 GIST B.V. Netherlands *100 BOC Gases Caribbean NV Netherlands Antilles *100 BOC Gases Curacao NV Netherlands Antilles *100 'A' and 'B' shares NV Verus Netherlands Antilles *100 NV Verus (Vrije Zone) Netherlands Antilles *100 BOC Limited New Zealand *100 BOC New Zealand Holdings Limited New Zealand *100 BOC Gases Nigeria plc Nigeria *60 7 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- BOC Pakistan Limited Pakistan 60 Dunfly Investments Inc Panama *100 Indura Panama S.A. Panama *41 BOC Papua New Guinea Pty Limited Papua New Guinea *74 CIG Bougainville Pty Limited Papua New Guinea *74 Indura S.A. (Peru) Peru *41 Indura S.A. Sucursal Peru Peru *41 Bacolod Oxygen Corporation Philippines *100 Bataan Industrial Gases Inc Philippines *39 BOC GIST Inc Philippines *100 BOC (Phils) Holdings Inc Philippines *100 BPC Gas Corporation Philippines *100 Carbonic Philippines Inc Philippines *100 Cebu Liquid Gas Corporation Philippines *67 Chatswood Inc Philippines *62 CIGC Corporation Philippines *43 CIGI Properties Inc Philippines *100 Consolidated Industrial Gases Inc Philippines *100 Cryo Industrial Gases Inc Philippines *100 Davao Oxygen Corporation Philippines *100 Ormoc Oxygen Corporation Philippines *100 Southern Industrial Gases Philippines Inc Philippines *100 Vismin Airtech Industrial Gases Corporation Philippines *100 BOC Gazy Sp. z o.o. Poland *98 GIST Sp. z o.o. Poland *100 Roboprojekt BOC Sp. z o.o. Poland *100 BOC Samoa Limited Samoa *96 Intellemetrics Limited Scotland 100 Vorgem Limited Scotland 100 BOC Gases Pte Limited Singapore 100 BOC Technologies Singapore Pte Limited Singapore *100 Island Pipeline Gases Pte Limited Singapore *33 Jurong Island Industrial Gas Pte Limited Singapore *50 Semitech Engineering Pte Limited Singapore *50 Singapore Carbon Dioxide Company Pte Limited Singapore *25 Singapore Oxygen Air Liquide Pte Limited Singapore *50 SOXAL-MI Technologies Pte Limited Singapore *25 BOC Plyny s.r.o. Slovakia *100 BOC Gases Solomon Islands Limited Solomon Islands *100 African Oxygen Limited South Africa *56 Afrox Educational Services (Pty) Limited South Africa *56 Afrox Finance Limited South Africa *56 Afrox Healthcare Limited South Africa *38 Afrox Healthcare Services (Pty) Limited South Africa *38 Afrox Home Healthcare P.E. (Pty) Limited South Africa *38 Afrox Hospitals Limited South Africa *38 8 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- Afrox Limited South Africa *56 Afrox Occupational Health Care (Pty) Limited South Africa *38 Afrox Pharmacy Management Services (Pty) Limited South Africa *38 Afrox Properties (Pty) Limited South Africa *56 Afrox (Transkei)(Pty) Limited South Africa *56 Amalgamated Gas & Welding (Pty) Limited South Africa *56 Amalgamated Hospitals Limited South Africa *38 AMAHOSP Medical Rescue (Pty) Limited South Africa *38 Ammed Properties (Pty) Limited South Africa *38 Autogas Southern Africa (Pty) Limited South Africa *56 AWCE (Pty) Limited South Africa *56 Bedford Gardens Private Hospital (Pty) Limited South Africa *38 BOC Edwards South Africa (Pty) Limited South Africa *100 Border Hospitals (Pty) Limited South Africa *24 Brenthurst Dispensary (Pty) Limited South Africa *38 C Elias & Associates (Pty) Limited South Africa *38 Changing Tides 243 (Pty) Limited South Africa *38 Chatsmed Property Enterprises (Pty) Limited South Africa *38 Claremont Hospital (Pty) Limited South Africa *38 Coastal Medical Investments (Pty) Limited South Africa *38 Correctional Healthcare Services (Pty) Limited South Africa *38 Cosmos Hospital Property (Pty) Limited South Africa *38 Cylinder Leasing (Pty) Limited South Africa *56 Daglish & Associates (Pty) Limited South Africa *38 Dalview Nursing Home (Pty) Limited South Africa *38 Direct Medicines (Pty) Limited South Africa *38 Dowson & Dobson Industrial Limited South Africa *56 Dowson & Dobson Limited South Africa *56 Drury Welding (Pty) Limited South Africa *56 EMH Operating Company (Pty) Limited South Africa *32 Empangeni Garden Clinic (Pty) Limited, The South Africa *38 Empangeni Garden Clinic Properties (Pty) Limited South Africa *38 Energy Medical Supplies (Pty) Limited South Africa *56 Entabeni Hospital Limited South Africa *38 Eugene Marais Hospital (Pty) Limited South Africa *38 Flohoc Investments (Pty) Limited South Africa *27 Garbanzo Property Investments (Pty) Limited South Africa *38 Glynnwood Hospital Operating Company (Pty) Limited South Africa *33 Gordon & Company (Pty) Limited South Africa *38 G P Ross Incorporated South Africa *38 Harris Calorific South Africa (Pty) Limited South Africa *56 Hewu Hospital (Pty) Limited South Africa *21 Hospitaalpark Kliniek (Eiendoms) Beperk South Africa *38 Hospital Medical Systems (Pty) Limited South Africa *24 Human Performance Systems (Pty) Limited South Africa *56 Industrial Research and Development (Pty) Limited South Africa *56 Isivivana Health (Pty) Limited South Africa *23 Jorum Property Investments (Pty) Limited South Africa *38 K Wilson & Company (Pty) Limited South Africa *38 Kingsbury Hospital Limited South Africa *27 Kingsbury Hospital Property Limited South Africa *38 Liesbeeck Medical Holdings (Pty) Limited South Africa *38 Lifecare Clinics (Pty) Limited South Africa *38 Lifecare Community Hospitals (Pty) Limited South Africa *21 Lifecare Group Holdings Limited South Africa *21 Lifecare Group Victoria Hospital (Pty) Limited South Africa *38 Lifecare Management Services (Pty) Limited South Africa *38 Lifecare Properties (Pty) Limited South Africa *21 Lifecare Special Health Services (Pty) Limited South Africa *21 9 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- Manstone Motors (Pty) Limited South Africa *38 Matikwana Hospital (Pty) Limited South Africa *21 Medicine Management Services (Pty) Limited South Africa *38 Medi-Speed Natal (Pty) Limited South Africa *56 Metropol Hospitals (Pty) Limited South Africa *23 M J Rudolph & Associates (Pty) Limited South Africa *21 M L Hurwitz & Associates (Pty) Limited South Africa *38 Mobisburg (Pty) Limited South Africa *38 Nasionale Sweisware (Edms) Beperk South Africa *56 New Kensington Clinic (Pty) Limited South Africa *24 Nicoweld (Pty) Limited South Africa *56 Northern Dispensary (Pty) Limited South Africa *38 Oude Werf (Eiendoms) Beperk South Africa *38 P E Medical Group Investments (No.3)(Pty) Limited South Africa *38 Peglerae Investments (Pty) Limited South Africa *23 Presmed Day Clinics (Pty) Limited South Africa *38 Princess Dispensary (Pty) Limited South Africa *38 Prop Robin (Pty) Limited South Africa *38 Riverfield Lodge (Pty) Limited South Africa *38 Robinson Hospital Holdings (Pty) Limited South Africa *27 Robinson Hospital (Pty) Limited South Africa *30 Rockweld (Pty) Limited South Africa *56 Roseacres Clinic (Pty) Limited South Africa *38 Rustenburg Hospital Properties (Pty) Limited South Africa *23 Selected Medical Investments Limited South Africa *38 South African Home Patient (Pty) Limited South Africa *38 Spittal Drau Investments (Proprietary) Limited South Africa *38 Springs Private Hospital Group (Pty) Limited South Africa *38 St Mary's Private Hospital (Pty) Limited South Africa *25 Synchramed (Pty) Limited South Africa *38 Synchromed (Pty) Limited South Africa *39 Thermal Welding Products Limited South Africa *56 Transgraph Export Company (Pty) Limited South Africa *56 UK Health Management Services (Pty) Limited South Africa *38 Vredenburg Hospital (Pty) Limited South Africa *38 Westcare (Pty) Limited South Africa *38 Wilgers Hospital Beperk South Africa *37 Wynberg Surgical Clinic (Pty) Limited South Africa *38 Zandfontein Clinic (Pty) Limited South Africa *29 Wilgeheuwel Hospital (Pty) Limited South Africa *29 Handigas Swaziland (Pty) Limited Swaziland *56 Swazi Oxygen (Pty) Limited Swaziland *56 BOC Intressenter AB Sweden 100 BOC AG Switzerland *100 Asia Union Electronic Chemical Corporation Taiwan *50 BOC Lienhwa Industrial Gases Company Limited Taiwan *50 Confederate Technology Company Limited Taiwan *27 Edwards Technologies Limited Taiwan *100 Far Eastern Industrial Gases Company Limited Taiwan *28 Lien Hwa Commonwealth Corporation Taiwan *50 Lien Hwa LOX Cryogenic Equipment Corporation Taiwan *44 Lienhwa United LPG Company Limited Taiwan *28 United Industrial Gases Company Limited Taiwan *29 Yuan Rong Industrial Gases Company Limited Taiwan *23 BOC Tanzania Limited Tanzania *65 10 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- Tasco Estates Limited Tanzania *20 BPK Terminal Limited Thailand *99 Chemicals Gas Transport Company Limited Thailand *99 Eastern Industrial Gases Limited Thailand *50 Electronic Gases (Thailand) Limited Thailand *49 KTPV (Thailand) Limited Thailand *100 Map Ta Phut Industrial Gases Company Limited Thailand *40 MIG Production Company Limited Thailand *54 Rayong Acetylene Limited Thailand *87 SKTY (Thailand) Limited Thailand *100 Thai Industrial Gases Public Company Limited Thailand *100 TIG Air Chemicals Limited Thailand *98 TIG HyCo Limited Thailand *100 TIG Trading Limited Thailand *100 Unique Gas Carrier Company Limited Thailand *99 Unique Gas International Company Limited Thailand *99 Unique Gas & Petrochemical Public Company Limited Thailand *99 Unique Gas Trading Company Limited Thailand *99 Unique Marine Company Limited Thailand *99 BOC Gases (Tonga) Limited Tonga *90 BOC Uganda Limited Uganda *65 Airco BH-F Systems, Inc USA *100 Airco Inc (Delaware) USA *100 Airco Onsites, Inc USA *100 Airco Properties, Inc USA *100 Air Reduction Company, Inc USA *100 BOC Americas, Inc USA *100 BOC Americas (PGS), Inc USA *100 BOC Energy Services, Inc USA *100 BOC Group, Inc (Delaware), The USA *100 BOC Group, Inc (Nevada), The USA *100 BOC, Inc USA *100 BOC North America, Inc USA *100 BOC Transports, Inc USA *100 BOC Works, Inc USA *100 Calumatic North America Corporation USA *100 Certified Gas & Controls, Inc USA *100 East Coast Oxygen USA *50 Environmental Management Corporation USA *100 ESH Connect, Inc USA *36 Hydromatix, Inc USA *100 NuPharmx, LLC USA *49 Ohmeda Medical Devices Division, Inc USA *100 Selox, Inc USA *100 Tam Oxygen Co USA *100 BOC Gases Virgin Islands Inc US Virgin Islands *100 BOC Gases de Venezuela CA Venezuela *100 Inversiones ABC, SA Venezuela *100 Inversiones Vencan SA Venezuela *100 Productora de Gas Carbonico SA Venezuela *100 North Vietnam Industrial Gases Limited Vietnam *40 11 COUNTRY OF PERCENTAGE OF SHARES COMPANY INCORPORATION HELD BY GROUP - ------- ------------- -------------------- BOC Gases Zambia plc Zambia *39 BOC Zimbabwe (Pvt) Limited Zimbabwe *100 Handigas (Pvt) Limited Zimbabwe *100 Industrial Gases (Pvt) Limited Zimbabwe *100 Oxyco Utilities (Pvt) Limited Zimbabwe *100 Oxygen Industries (Pvt) Limited Zimbabwe *100 Weldex (Pvt) Limited Zimbabwe *100 Zimbabwe Oxygen (Pvt) Limited Zimbabwe *100 12