EXHIBIT 21.1

SUBSIDIARIES & EQUITY AFFILIATES

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

349910 Alberta Inc. Alberta 100% Conoco Canada Resources Limited
362084 Alberta Inc. Alberta 100% Conoco Canada Limited
3793885 Canada Ltd. Canada 100% Conoco Canada Resources Limited
3920267 Canada Inc. Canada 100% Conoco Canada Resources Limited
3920275 Canada Inc. Canada 100% Conoco Canada Resources Limited
534404 Alberta Ltd. Alberta 100% Conoco Canada Resources Limited
625894 Alberta Inc. Alberta 100% Conoco Canada Resources Limited
729166 Alberta Inc. Alberta 100% Conoco Canada Resources Limited
758350 Alberta Inc. Alberta 100% Conoco Canada Resources Limited
942819 Alberta Ltd. Alberta 100% Conoco Canada Resources Limited
Administrador Petrolera Guanare S.A. Venezuela 32.5% Conoco Venezuela C.A.
Agroforestal Anzoategui, C.A. Venezuela 100% Petrolera Zuata, Petrozuata, C.A.
Armadillo Investors LLC Delaware 100% Conoco Inc.
Asamera Algeria Limited Alberta 100% Conoco Canada Resources Limited
Asamera International (Barbados) Inc. Barbados 100% Gulf International (Barbados) Inc.
Asamera Minerals (U.S.) Inc. Colorado 100% Asamera Resources Inc.
Asamera Oil (U.S.) Inc. Montana 100% Asamera Resources Inc.
Asamera Resources Inc. Nevada 100% GCRL Energy Ltd.
Ashford Energy Capital S.A. Luxembourg 66% Conoco Inc. (aka Conoco Energy Company)
Associated Petroleum Terminals
(Immingham) Limited England 33.33% Conoco Limited
Atlantic Energy Inc. Virginia 50% Conoco Inc. (formerly Continental Oil Company)
Australian Hydrocarbons Inc. Delaware 100% Gulf Petroleum (Australia) Pty Ltd.
Big Sky of Montana Realty Inc. Delaware 8.33% Conoco Inc. (formerly Continental Oil Company)
Border Resources Ltd. England 100% Clyde Petroleum (Management) Ltd.
Brandywine Industrial Gas, Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Britannia Operator Limited England 50% Conoco (U.K.) Limited
C&L Processors Partnership Texas 50% Conoco Inc. (formerly Continental Oil Company)
Cajun Cogen LLC Delaware 100% CGP Developments Cajun Cogen LLC
Calcasieu Properties, L.L.C. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Calcasieu Shipping Corporation Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Catoire S.A. Belgium 100% Societe Europeenne Des Carburants (SECA)
Ceska rafinerska, a.s. Czech Republic 16.33% Conoco Central and Eastern European Holdings BV
CFJ I Management Inc. Delaware 50% Kayo Oil Company
CFJ II Management Inc. Delaware 50% Kayo Oil Company
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

CFJ III Management Inc. Delaware 50% Kayo Oil Company
1% CFJ I Management Inc.
CFJ Plaza Company I LLC Delaware 49.5% Kayo Oil Company
1% CFJ II Management Inc.
CFJ Plaza Company II LLC Delaware 49.5% Kayo Oil Company
1% CFJ III Management Inc.
CFJ Plaza Company III LLC Delaware 49.5% Kayo Oil Company
15% Kayo Oil Company
CFJ Properties Delaware 35% Douglas Oil Company of California
CGP Developments Cajun Cogen LLC Delaware 100% Conoco Inc. (formerly Continental Oil Company)
CGP Servicios Energeticos de Altamira,
S. de R.L. de C.V. Mexico 100% Conoco Global Power de Mexico, S. de R.L. de C.V.
Cit-Con Oil Corporation Delaware 35% Conoco Inc. (formerly Continental Oil Company)
Clearwater Ltd. Bermuda 100% Danube Insurance Ltd.
Cliffe Storage Limited England 100% Conoco (U.K.) Limited
Clyde Netherlands B.V. Netherlands 100% Clyde Petroleum Limited
Clyde Petroleum (E&P) B.V. England 100% Clyde Petroleum Exploratie B.V.
Clyde Petroleum Exploratie B.V. Netherlands 100% Clyde Netherlands B.V.
Clyde Petroleum (Exploration) Ltd. England 100% Gulf Expro Limited
Clyde Petroleum (Investments) Ltd. England 100% Clyde Petroleum (Management) Ltd.
Clyde Petroleum (Management) Ltd. England 100% Gulf Expro Limited
Clyde Petroleum Limited Scotland 100% Conoco Canada Resources Limited
Colonial Pipeline Company Delaware 8.53% Conoco Pipe Line Company
Colonial Ventures, L.L.C. Delaware 7.547% Conoco Pipe Line Company
Comap, Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Compania Agua Plana S.A. Venezuela 32.5% Conoco Venezuela C.A.
Conch International Methane Limited Bahamas 40% Conoco Inc. (formerly Continental Oil Company)
Conoco (Glen) Limited England 100% Conoco (U.K.) Limited
Conoco (Thailand) Company Limited Thailand 100% Conoco Inc. (formerly Continental Oil Company)
Conoco (U.K.) Alpha Limited England 100% Conoco (U.K.) Limited
Conoco (U.K.) Beta Limited England 100% Conoco (U.K.) Alpha Limited
Conoco (U.K.) Epsilom Limited England 100% Conoco (U.K.) Limited
Conoco (U.K.) Eta Limited England 100% Conoco (U.K.) Zeta Limited
Conoco (U.K.) Finance Limited England 100% CUKL Holdings Limited
Conoco (U.K.) Gama Limited England 100% Conoco (U.K.) Limited
Conoco (U.K.) Lambda Limited Ireland 100% Conoco (U.K.) Theta Limited
Conoco (U.K.) Limited England 100% CUKL Holdings Limited
Conoco (U.K.) Theta Limited England 100% Conoco (U.K.) Limited
Conoco (U.K.) Technology Limited England 100% Conoco (U.K.) Limited
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Conoco (U.K.) Zeta Limited England 100% Conoco (U.K.) Limited
Conoco A.G. Switzerland 100% Conoco Petroleum Operations
Conoco Adjgaz LLC Georgia 67.5% Conoco Petroleum Operations Inc.
Conoco Africa Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
British Virgin
Conoco Arabia Holding Inc. Islands 100% Conoco Petroleum Operations
Conoco Arabia Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Arabia Ltd. Bermuda 100% Conoco Arabia Holding Ltd.
Conoco Arctic Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Asia Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Asia Pacific Ltd. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Asia Pacific Sdn. Bhd. Malaysia 100% Conoco Petroleum Operations Inc.
Conoco Asia Ventures Pte. Limited Singapore 100% Conoco International Holding Ltd.
Conoco-Austria Mineraloel GmbH Austria 100% Conoco Mineraloel GmbH
Conoco Baltic Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Brunei Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
19.927% Conoco Canada Resources Limited
79.709% Conoco Western Canada Partnership
Conoco Canada Energy Partnership Alberta 0.364% Wabiskaw Explorations Ltd.
63% Conoco Funding Company
Conoco Canada Limited New Brunswick 37% Conoco Inc. (formerly Continental Oil Company)
Conoco Canada Resources Limited Canada 100% Conoco Northern Inc.
Conoco Capital Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Carbon and Minerals, Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Carbon Fibers Japan, KK. Japan 100% Conoco Petroleum Operations Inc.
Conoco Center Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Central and Eastern Europe
Holdings BV Netherlands 100% Conoco Continental Holding GmbH
Conoco Central Europe Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Cevolution Europe B.V. Netherlands 100% Clyde Netherlands B.V.
Conoco Cevolution Germany GmbH Germany 100% Conoco Continental Holding GmbH
Conoco Chile Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Colombia Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Communications, Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Continental Holding GmbH Germany 100% Conoco Central Europe Inc.
Conoco Coral Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Corporate Holdings L.P. Delaware 75.6% Conoco Finance Inc.
Conoco Czech Republic s.r.o. Czech Republic 100% Conoco Central and Eastern Europe Holdings BV
Conoco Denmark Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Conoco Development Company Delaware 100% Conoco Petroleum Operations Inc.
Conoco Development II Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Development Limited England 100% Conoco (U.K.) Limited
Conoco Development Services Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
99.9% Conoco Petroleum Operations Inc.
Conoco do Brasil Ltda. Brazil 0.1% Conoco Inc. (formerly Continental Oil Company)
Conoco Drilling Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Egypt Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Energy Asia Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Energy Holdings Ltd. Bermuda 100% Conoco Energy Holdings Nigeria Ltd.
Conoco Energy Holdings Nigeria Ltd. Bermuda 100% Clearwater Ltd.
99.99999% Conoco Energy Holdings Ltd.
Conoco Energy Nigeria Limited Nigeria 0.00001% Danube Insurance Ltd.
Conoco Energy Ventures Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Enterprises Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Equity Investments Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Este Pipeline Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco EurAsia Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Europe Gas Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Europe Gas Limited England 100% Conoco (U.K.) Limited
Conoco Exploration & Production B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Exploration & Production 99.99998% Conoco Holdings Ltd.
Nigeria Limited Nigeria 0.00002% Danube Insurance Ltd.
Conoco Exploration Production
Europe Limited England 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Finance Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Finance Services Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company).
Conoco Foreign Sales Corporation Barbados 100% Conoco Petroleum Operations Inc.
Conoco Frontier Ltd. Bermuda 100% Clearwater Ltd.
Conoco Funding Company Nova Scotia 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Gas Holdings L.L.C. Delaware 75% Conoco Inc. (formerly Continental Oil Company)
Conoco Geisum Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Global Energy Company Delaware 100% Conoco Petroleum Operations Inc.
Conoco Global Power (U.K.) Limited England 100% Conoco (U.K.) Limited
Conoco Global Power Assets Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Global Power Assets Sabine, Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Global Power de Mexico, 99.9% Conoco Global Energy Company
S. de R. L. de C. V. Mexico 0.1% Conoco Inc. (formerly Continental Oil Company)
Conoco Global Power Developments
Deutschland GmgH Germany 100% Conoco Global Power Europe Limited
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Conoco Global Power Developments Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Global Power Developments
Espana SRL Spain 100% Conoco Global Power Europe Limited
Conoco Global Power Developments-
Sabine Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Global Power Europe Limited England 100% CUKL Holdings Limited
Conoco Global Power Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Guanare Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Holdings Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
99.99% Conoco Central and Eastern Europe Holdings BV
Conoco Hungary Kft. Hungary 0.01% Conoco Continental Holding GmhB
Conoco ICHP Limited England 100% Conoco Global Power Europe Limited
Conoco Inc. (aka - Conoco Energy
Company) Delaware
Conoco Inc. (formerly Continental
Oil Company) Delaware 100% Conoco Inc. (aka Conoco Energy Company)
British Virgin
Conoco Indonesia Holding Ltd. Islands 100% Conoco Inc. (formerly Continental Oil Company
Conoco Indonesia Inc. Ltd. Bermuda 100% Conoco Indonesia Holding Ltd.
Conoco International Gas Corporation Delaware 100% Conoco Inc. (formerly Continental Oil Company)
British Virgin
Conoco International Holding Ltd. Islands 100% Conoco Inc. (formerly Continental Oil Company)
Conoco International Petroleum Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco International, Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Investment AG Switzerland 100% Conoco A.G.
Conoco Investments Limited England 100% Conoco (U.K.) Limited
Conoco Investments Norge A/S Norway 100% Norske Conoco A/S
Conoco Iran Holding Ltd. Bermuda 100% Conoco Petroleum Operations Inc.
British Virgin
Conoco Iran Ltd. Islands 100% Conoco Iran Holding Ltd.
Conoco Iran N.V. Netherland Antilles 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Jet (Malaysia ) Sdn. Bhd. Malaysia 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Jet Danmark A/S Denmark 100% Conoco Denmark Inc.
Conoco Jet Finland Oy Finland 100% Conoco Nordic Holdings AB
Conoco Jet Nordic AB Sweden 100% Conoco Nordic Holdings AB
Conoco Jet Norge A/S Norway 100% Norske Conoco A/S
99% Danube Insurance Ltd.
Conoco Khazar Ltd. Bermuda 1% Conoco Inc. (formerly Continental Oil Company)
Conoco Kuwait Services Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Lagia Offshore, Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Leasing Limited England 100% Conoco Limited
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

British Virgin
Conoco Libya Holding Ltd. Islands 100% Conoco Petroleum Operations Inc.
Conoco Libya Ltd. Bermuda 100% Conoco Libya Holding Ltd.
Conoco Limited England 100% Conoco (U.K.) Limited
Conoco Lubricant (India) Private Ltd. India 100% Conoco Petroleum Operations Inc.
Conoco Lubricants (Malaysia) Sdn. Bhd. Malaysia 100% Conoco Petroleum Operations Inc.
25% Danube Insurance Ltd.
Conoco Mexico Ltd. Bermuda 75% Conoco Inc. (formerly Continental Oil Company)
99% Conoco Mexico, S.A. de C.V.
Conoco Mexico Servicios, S.A. de C.V. Mexico 1% Conoco Specialty Products Inc.
99% Conoco Petroleum Operations Inc.
Conoco Mexico, S.A. de C.V. Mexico 1% Conoco Specialty Products Inc.
Conoco Middle East Gas Co. N.V. Netherland Antilles 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Middle East Ltd. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Mineraloel GmbH Germany 100% Conoco Continental Holding GmbH
Conoco Mont Belvieu Holdings Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
British Virgin
Conoco Nila Holding Ltd. Islands 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Nila Ltd. Bermuda 100% Conoco Nila Holding Ltd.
Conoco Nordic Holding LLC Delaware 100% Conoco Petroleum Operations Inc.
Conoco Nordic Holdings AB Sweden 100% Conoco Investment AG
2% Conoco Nordic Holding LLC
Conoco Nordic Investment LP Delaware 98% Conoco Petroleum Operations Inc.
Conoco Nordic Limited Bermuda 100% Conoco Investment AG
Conoco Northern Inc. Canada 100% Conoco Canada Limited
Conoco Northland Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Norway Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Norway Properties Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco NW Natuna Exploration and
Production Ltd. Bermuda 100% Conoco NW Natuna Holding Ltd.
Conoco NW Natuna Holding Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Offshore Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Offshore Pipe Line Company Delaware 100% Conoco Pipe Line Company
55% 729166 Alberta Inc.
Conoco Oilsands Partnership Alberta 45% Conoco Canada Resources Limited
Conoco Operations (QLD.) Pty Ltd. Australia 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Orinoco Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Pakistan Exploration &
Production B.V. Netherlands 100% Conoco Resources Holding B.V.
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

25% Danube Insurance Limited
Conoco Peru Ltd. Bermuda 75% Conoco Inc. (formerly Continental Oil Company)
Conoco Petcoke Far East Ltd. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Petroleum Limited England 100% Conoco (U.K.) Limited
0.00001% Conoco Inc. (formerly Continental Oil Company)
Conoco Petroleum Nigeria Limited Nigeria 99.99999% Conoco Petroleum Operations Inc.
Conoco Petroleum Operations Inc. Delaware 100% Conoco Inc. (formerly Conoco Energy Company)
Conoco Pipe Line Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Poland Sp. z.o.o. Poland 100% Conoco Central and Eastern Europe Holdings BV
Conoco Power Marketing Inc. Delaware 100% Conoco Petroleum Operations Inc.
Conoco Power Operations Limited England 100% Conoco Global Power Europe Limited
Conoco Resources Holding B.V. Netherlands 100% Clearwater Ltd.
Conoco Sabah Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Services Company Delaware 100% Conoco Petroleum Operations Inc.
Conoco Services Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Shale Oil Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Shipping Company Liberia 100% World Wide Transport, Inc.
Conoco Shipping & Marine Development LLC Marshall Islands 100% Conoco Inc. (formerly Continental Oil Company)
80% Norske Conoco A/S
Conoco Shipping Norge A/S Norway 20% Conoco Norway Inc.
Conoco Shipping Norge Nr. 2 AS Norway 100% Norske Conoco A/S
Conoco Shipping Norge Nr. 3 AS Norway 100% Norske Conoco A/S
Conoco Singapore Operations Pte. Limited Singapore 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Slovakia s.r.o. Slovak Republic 100% Conoco Central and Eastern Europe Holdings BV
British Virgin
Conoco South Sokang Holding Ltd. Islands 100% Conoco Inc. (formerly Continental Oil Company)
Conoco South Sokang Ltd. Bermuda 100% Conoco South Sokang Holding Ltd.
Conoco Specialty Products Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Specialty Products, Limited England 100% Conoco Petroleum Operations Inc.
1% 942819 Alberta Ltd.
Conoco Surmont Partnership Alberta 99% Conoco Canada Resources Limited
Conoco Syria Dez Gas Ltd. Bermuda 100% Conoco Syria Ltd.
Conoco Syria Ltd. Bermuda 100% Conoco International Holding Ltd.
Conoco Taiwan Exploration & Production B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Timan-Pechora Ltd. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
British Virgin
Conoco Tobong Holding Ltd. Islands 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Tobong Ltd. Bermuda 100% Conoco Tobong Holding Ltd.
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Conoco Tobong Natuna B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Trading Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Treasury Ltd. England 100% Conoco (U.K.) Limited
Conoco Trinidad (4a) B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Trinidad (4b) B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Trinidad Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco U.K. Properties Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Conoco Venezuela B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Venezuela C.A. Venezuela 100% Conoco Petroleum Operations Inc.
Conoco Venezuela E&P Ltd. Bermuda 100% Clearwater Ltd.
Conoco Venezuela Holding C.A. Venezuela 100% Conoven Holding Ltd.
25% Danube Insurance Ltd.
Conoco Venezuela Ltd. Bermuda 75% Conoco Inc. (formerly Continental Oil Company)
Conoco Venezuela Services B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Vietnam Exploration & Production B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Warim B.V. Netherlands 100% Conoco Resources Holding B.V.
Conoco Warim Ltd. Bermuda 100% Clearwater Ltd.
Cono-Services Inc. Colorado 100% Conoco Inc. (formerly Continental Oil Company)
British Virgin
Conoven Holding Ltd. Islands 100% Conoco Orinoco Inc.
Continental Europe Energy Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Continental Mid Delta Petroleum Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Continental Netherlands Oil Company B.V. Netherlands 100% Conoco Resources Holding B.V.
Continental Oil Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Continental Oil Company (Nederland) B.V. Netherlands 100% Conoco Inc. (formerly Continental Oil Company)
Continental Oil Company Inc. Canada 100% Conoco Inc. (formerly Continental Oil Company)
Continental Oil Company Limited England 100% Conoco (U.K.) Limited
Continental Oil Company of Iran Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Continental Oil Company of Italy Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Continental Oil Company of Libya Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Continental Oil Company of Niger Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Continental Oil Company of Nigeria Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Continental Pipe Line Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Coop Mineraloel AG Switzerland 49% Conoco AG
Crestar Energy Holdings Ltd. Bermuda 100% Conoco Canada Resources Limited
Crestar Energy Marketing Corp. Delaware 100% Conoco Canada Resources Limited
Crs Resources (Ecuador) LDC Cayman Islands 100% Crestar Energy Holdings Ltd.
Crude Oil Terminals (Humber) Ltd. England 33.33% Conoco Limited
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Crusader Inc. Australia 100% Gulf Petroleum (Australia) Pty Ltd.
Crusader Inc. Delaware 100% Gulf Petroleum (Australia) Pty Ltd.
CS-Able GP LLC Delaware 16.66% Conoco Inc. (formerly Continental Oil Company)
CS-Able LP Delaware 100% CS-Able GP LLC
CUKL Holdings Limited England 100% Conoco Inc. (formerly Continental Oil Company)
73.22% Conoco A.G.
Danube Insurance Ltd. Bermuda 26.78% Conoco Inc. (formerly Continental Oil Company)
Deepwater Drilling II L.L.C. Delaware 40% Conoco Development II Inc.
Deepwater Drilling L.L.C. Delaware 50% Conoco Development Company
Depaa 2000 AB Sweden 100% Norrkoeping Depaa AB
Dingo Software Pty. Ltd. Australia 5% to 30% Conoco Inc. (formerly Continental Oil Company)
Douglas Oil Company of California California 100% Conoco Inc. (formerly Continental Oil Company)
Douglas Stations, Inc. Delaware 100% Douglas Oil Company of California
Du Pont E&P No. 1 B.V. Netherlands 100% Conoco Resources Holding B.V.
Du Pont E&P No. 12 B.V. Netherlands 100% Conoco Resources Holding B.V.
Du Pont E&P No. 13 B.V. Netherlands 100% Conoco Resources Holding B.V.
Dubai Marketing Company Ltd. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Dubai Petroleum Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
DuPont Conoco Energy Services Company Delaware 100% Conoco Petroleum Operations Inc.
Excel Paralubes Delaware 50% Conoco Inc. (formerly Continental Oil Company)
Excel Paralubes Funding Corporation Delaware 100% Excel Paralubes
F.P.S.O. Development Ltd. Bermuda 100% Conoco Inc. (formerly Continental Oil Company)
Fas-Gas Retail Services Co. of Texas Texas 49% Kayo Oil Company
Frontier Deepwater Drilling Inc. Delaware 100% Conoco Inc. (formerly Conoco Energy Company)
GCRL Holdings Inc. Delaware 100% GCRL Energy Ltd.
GCRL Energy Ltd. Colorado 100% Conoco Inc. (formerly Continental Oil Company)
GCRL International Limited Alberta 100% Conoco Canada Resources Limited
GCRL Marketing Ltd. Delaware 100% GCRL Energy Ltd.
GKG Mineraloelhandel GmbH & Co. KG Germany 50% Conoco Mineraloel GmbH
GKG Mineraloelhandel Handel
Verwaltungsgesellschaft mbH Germany 50% Conoco Mineraloel GmbH
Glen Petroleum Limited England 100% Conoco (U.K.) Limited
Gulf Resources (Aceh) Ltd. Barbados 100% Gulf Resources (Ramba) Ltd.
Gulf Resources (Banyumas) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (Calik) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (Grissik) Ltd. Barbados 100% Asamera International (Barbados) Inc.
Gulf Resources (Halmahera) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (JambiEOR) Ltd. Barbados 100% Gulf Resources (Aceh) Ltd.
Gulf Resources (Kakap) Ltd. Barbados 100% Gulf Indonesia Resources Limited
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Gulf Resources (Ketapang) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (Merangin) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (NWNatuna) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (Pangkah) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (Ramba) Ltd. Barbados 100% Gulf Indonesia Resources Limited
Gulf Resources (Sakakemang) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (Sakala Timur) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (Sebuku) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (South Jambi) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (Tungkal) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Resources (WestNatuna) Ltd. Alberta 100% Gulf Indonesia Resources Limited
Grissik Gas Company Ltd. Alberta 100% Gulf Indonesia Resources Limited
Gulf Alberta Pipeline Company Limited Alberta 100% Conoco Canada Resources Limited
Gulf Canada Limited Canada 100% Conoco Canada Resources Limited
Gulf Canada Properties Limited Canada 100% Conoco Canada Resources Limited
Gulf Canada Tunisia Ltd. Alberta 100% Conoco Canada Resources Limited
Gulf Coast Fractionators Texas 22.5% Conoco Inc. (formerly Continental Oil Company)
Gulf Energy Asia Pte Ltd. Singapore 100% Gulf Resources (Aceh) Ltd.
Gulf Expro Limited Scotland 100% Clyde Petroleum Limited
Gulf Indonesia Resources Limited New Brunswick 70% Conoco Canada Resources Limited
Gulf International (Barbados) Inc. Barbados 100% Grissik Gas Company Ltd.
Gulf Petroleum (Australia) Pty Ltd. Australia 100% Clyde Petroleum Limited
99% Conoco Canada Resources Limited
Gulf Western Canada Partnership Alberta 1% International Colin Energy Corporation
Heartland Pipeline Company Delaware 50% Conoco Pipe Line Company
Horizon Energy Marketing, LLC Louisiana 50% Conoco Inc. (formerly Continental Oil Company)
Humber LPG Terminal Limited England 40% Conoco Limited
Humber Oil Terminals Trustee Limited England 33.33% Conoco Limited
Hydroserve Westlake, L.L.C. Delaware 50% Conoco Inc. (formerly Continental Oil Company)
0.2% Immingham Energy Limited
Immingham CHP LLP England 49.9% Conoco ICHP Limited
Immingham Energy Limited England 50% Conoco ICHP Limited
49% Conoco Global Power Assets, Inc.
Ingleside Cogeneration Limited Partnership Delaware 1% Conoco Global Power Developments Inc.
Interconnector (UK) Ltd. England 10% Conoco (U.K.) Limited
Interkraft Handel GmbH Germany 100% Conoco Mineraloel GmbH
International Colin Energy Corporation Alberta 100% Conoco Canada Resources Limited
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Jet Petroleum Limited England 100% Conoco Limited
Jet Tankstellen-Betriebs GmbH Germany 100% Conoco Mineraloel GmbH
Jet/Jiffy Shops Ltd. Thailand 100% Conoco Inc. (formerly Continental Oil Company)
Jiffy Limited England 100% Conoco (U.K.) Limited
Jolliet Pipe Line Company Delaware 38% Conoco Pipe Line Company
Jupiter Sulphur LLC Delaware 50% Conoco Inc. (formerly Continental Oil Company)
K.C. Asphalt, L.L.C. Colorado 50% Conoco Inc. (formerly Continental Oil Company)
Kayo Oil Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Kettleman North Dome Association California 10.96% Conoco Inc. (formerly Continental Oil Company)
Koala Smokeless Fuels Ltd. Ireland 100% Crusader (Ireland) Pty Ltd.
Lake Charles Pipe Line Company Delaware 50% Conoco Pipe Line Company
Lantri Investments BV Netherlands 100% Conoco International Petroleum Company
0.1% 758350 Alberta Inc.
Leland Energy Partnership Alberta 99.9% Conoco Canada Resources Limited
Lobo Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
99% Lobo Inc.
Lobo Pipeline Company L.P. Delaware 1% Conoco Inc. (formerly Continental Oil Company)
Longhorn Pipeline Company Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Louisiana Gas System Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Malaysian Refining Company Sdn. Bhd. Malaysia 47% Conoco Asia Ltd.
Maple Leaf AS Norway 75% Clearwater Ltd.
Maspher Investments BV Netherlands 100% Lantri Investments BV
Mineraloelraffinerrie Oberrhein
GmbH & Co. KG Germany 18.75% Oberrheinische Mineraloelwerke GmbH (OMW)
Mineraloelraffinerrie Oberrhein
Verwaltungs GmbH Germany 18.75% Conoco Continental Holding GmbH
Morgan Hydrocarbons Inc. Canada 100% Conoco Canada Resources Limited
Morgan Hydrocarbons International Inc. Canada 100% Conoco Canada Resources Limited
Nelson Industrial Steam Company (NISCO) Texas 36.1% Conoco Inc. (formerly Continental Oil Company)
Norrkoeping Depaa AB Sweden 50% Conoco Jet Nordic AB
Norsk Hydro Depaa AB Sweden 100% Norrkoeping Depaa AB
Norske Conoco A/S Norway 100% Conoco Norway Inc.
Oberrheinische Mineraloelwerke GmbH (OMW) Germany 25% Conoco Continental Holding GmbH
Pacific Pipelines, Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Pars Investment Corporation Iran 0.416% San Jacinto Eastern Corp.
Peerless Insurance Company Limited Barbados 100% Conoco Canada Resources Limited
Penreco Texas 50% Conoco Inc. (formerly Continental Oil Company)
Pentland Aviation Fuelling Services Limited England 50% Conoco Limited
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Petco Enterprises, Ltd. Japan 51% Conoco Inc. (formerly Continental Oil Company)
Petroleum Transmission Company Calgary 100% Conoco Canada Limited
Petrovera Resources Limited 46.7% Conoco Canada Resources Limited
Petrolera Zuata, Petrozuata C.A. Venezuela 50.1% Conoco Venezuela Holding CA
Phoenix Park Gas Processors, Ltd. Trinidad 39% Conoco Inc. (formerly Continental Oil Company)
Pioneer Investments Corp. Delaware 50.0045% Conoco Pipe Line Company
Pioneer Pipe Line Company Delaware 100% Pioneer Investments Corp.
Polar Lights Company Russia 50% Conoco Timan-Pechora Ltd.
65.34% Raptor Natural Plains Marketing LLC
Power Tex Joint Venture 34.64% Raptor Gas Transmission LLC
98% Conoco Jet (Malaysia) Sdn. Bhd.
Projet Malaysia Sdn. Bhd. Malaysia 2% Sime Conoco Energy Sdn. Bhd.
Raptor Facilities Inc. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Raptor Gas Transmission LLC Delaware 100% Raptor Facilities Inc.
Raptor Natural Pipeline LLC New Mexico 100% Raptor Facilities Inc.
Raptor Natural Plains Marketing LLC Delaware 100% Raptor Facilities Inc.
Razorback Pipeline Company Delaware 40% Conoco Pipe Line Company
Rocky Mountain Investment & Antique
Company Wyoming 100% GCRL Energy Ltd.
Ronany Limited Northern Ireland 100% Conoco Limited
Salt Lake Terminal Co. Delaware 100% Pioneer Investments Corp.
San Jacinto Eastern Corporation Delaware 100% Conoco Inc. (formerly Continental Oil Company)
San Jacinto Service Company Delaware 100% San Jacinto Eastern Corporation
Seahorse Shuttling and Technology L.L.C. Delaware 100% Conoco Inc. (formerly Continental Oil Company)
Sentinel Concessions, Inc. Texas 49% Kayo Oil Company
Sentinel Transportation, LLC Delaware 40% Conoco Inc. (formerly Continental Oil Company)
Siam Conoco Land Ltd. Thailand 100% Siam Conoco Terminal Co., Ltd.
Siam Conoco Terminal Co., Ltd. Thailand 30% Conoco Inc. (formerly Continental Oil Company)
Sime Conoco Energy Sdn. Bhd. Malaysia 49% Conoco Jet (Malaysia) Sdn. Bhd.
Smartshop NV Belgium 100% Societe Europeenne Des Carburants (SECA)
Societe Europeenne Des Carburants (SECA) Belgium 100% Conoco Continental Holding GmbH
Southern Energy UK Generation Limited England 100% Conoco Global Power Europe Limited
Spirit of the West Museum Association Alberta 100% Conoco Canada Resources Limited
49% Conoco Global Power Assets Sabine Inc.
SRW Cogeneration Limited Partnership Delaware 1% Conoco Global Power Development - Sabine Inc.
Stampeder Acquisition (No. 2) Ltd. Canada 100% Conoco Canada Resources Limited
Stampeder Acquisition Ltd. Alberta 100% Conoco Canada Resources Limited
Stampeder Energy (U.S.) Inc. Delaware 100% GCRL Energy Ltd.
Stampeder Exploration Ltd. Alberta 100% Conoco Canada Resources Limited
</Table>

<Table>
<Caption>
INCORPORATION OWNERSHIP
COMPANY NAME LOCATION PERCENTAGE DIRECT PARENT/EQUITY OWNER
------------ ------------- ---------- --------------------------

Statoil Methanol A/S Norway 18.125% Norske Conoco A/S
Statoil Vietnam AS Norway 100% Conoco Investments Norge A/S
TCH LLC Utah 25% Conoco Inc. (formerly Continental Oil Company)
The Standard Shale Products Company Colorado 99.318% Conoco Inc. (formerly Continental Oil Company)
Tidal Energy Marketing Inc. Canada 50% Conoco Canada Resources Limited
Tidelands Royalty Trust Texas 6.16% Conoco Inc. (formerly Continental Oil Company)
Tjeldbergodden Luftgassfabrikk DA Norway 11.88% Norske Conoco A/S
TLC International LDC Cayman Islands 35.625% Conoco Global Energy Company
Trilogy France Corporation Alberta 100% Conoco Canada Resources Limited
TS Inc. Georgia 100% Conoco Canada Resources Limited
Turcas Petrol Anonim Sirketi Turkey 27.64% Conoco Petroleum Operations Inc.
Ursa Oil Pipeline Company LLC Delaware 15.96% Conoco Offshore Pipe Line Company
Vanguard Energy Investors L.P. Delaware 10% Conoco Equity Investments Inc.
Venture Coke Company Delaware 50% Conoco Inc. (formerly Continental Oil Company)
Wabiskaw Explorations Ltd. Canada 100% Conoco Canada Resources Limited
Waha Oil Co. of Libya, Inc. Libya 16.6% Continental Oil Company of Libya
Warwickshire Oil Storage Limited England 33.33% Conoco Limited
World Wide Transport, Inc. Liberia 100% Conoco A.G.
Yellowstone Pipe Line Company Delaware 46% Conoco Pipe Line Company
Zeller & Cie SARL France 50% Conoco Mineraloel GmbH
Zuataducto, S.R.L. Venezuela 100% Petrolera Zuata, Petrozuata C.A.
</Table>