EXHIBIT 21
Subsidiaries of the Registrant (1), (2) and (3)
AT DECEMBER 31, 1999
Percentage of
Voting Securities
Owned by State or
Immediate Country of
Parent(s) Organization
----------------- ------------
Ancon Insurance Company, Inc. ................................. 100 Vermont
Esso Andina Inc................................................ 100 Delaware
Esso Colombiana Limited...................................... 100 Delaware
Esso Australia Resources Ltd. ................................. 100 Delaware
Delhi Petroleum Pty. Ltd. ................................... 100 Australia
Esso Eastern Inc. ............................................. 100 Delaware
Esso Exploration and Production Norway AS.................... 100 Norway
Standard Marine Tonsberg AS............................... 100 Norway
Esso Global Investments Ltd. (6)............................. 100 Bahamas
Esso Holding Company Singapore Limited.................... 100 Bahamas
Esso Singapore Private Limited.......................... 100 Singapore
Exxon Chemical Singapore Private Limited................ 100 Singapore
Singapore Aromatics Company Private (5).............. 50 Singapore
Esso Holding Company U.K. Inc. .............................. 100 Delaware
Esso Ireland Limited...................................... 100 Ireland
Esso UK plc............................................... 100 England
Esso Exploration and Production UK Limited (7).......... 100 England
Esso Petroleum Company, Limited......................... 100 England
EssoAir International Limited............................. 100 England
Exxon Chemical Limited.................................... 100 England
Exxon Chemical Olefins Inc. .............................. 100 Delaware
Esso Hong Kong Limited....................................... 100 Hong Kong
Esso Malaysia Berhad......................................... 65 Malaysia
Esso Natuna Ltd.............................................. 100 Bahamas
Esso Norge AS................................................ 100 Norway
Esso Production Malaysia Inc. ............................... 100 Delaware
Esso Sekiyu Kabushiki Kaisha................................. 100 Japan
Esso Sociedad Anonima Petrolera Argentina (8)................ 100 Argentina
Esso Societe Anonyme Francaise............................... 81.548 France
Esso (Switzerland)........................................... 100 Switzerland
Esso (Thailand) Public Company Limited....................... 87.5 Thailand
Exxon Benelux Holdings B.V. ................................. 100 Netherlands
Esso Holding Company Holland Inc. ........................ 100 Delaware
Esso Holding B.V. ...................................... 100 Netherlands/
Delaware
Esso N.V./S.A. (9)................................... 100 Belgium/
Delaware
Esso Coordination Center N.V.(10)................ 100 Belgium
Exxon Chemical Antwerp Ethylene N.V. (11)............ 100 Belgium
Fina Antwerp Olefins N.V. (5).................... 35 Belgium
Esso Nederland B.V. .................................... 100 Netherlands
Exxon Chemical Holland Inc. ............................ 100 Delaware
Exxon Chemical Holland B.V. ......................... 100 Netherlands
1
Percentage of
Voting Securities
Owned by State or
Immediate Country of
Parent(s) Organization
----------------- ------------
Esso Eastern Inc. (continued)
Exxon Benelux Holdings B.V. (continued)
Esso Holding Company Holland Inc. (continued)
Exxon Funding B.V. ...................................... 100 Netherlands
Esso Capital B.V. .................................... 100 Netherlands
Nederlandse Aardolie Maastschappij B.V. (4) (5).......... 50 Netherlands
Exxon Energy Limited.......................................... 100 Hong Kong
Castle Peak Power Company Limited (5)...................... 60 Hong Kong
Exxon Spain, S.L. ............................................ 100 Spain
Exxon Denmark Holdings International ApS................... 100 Denmark
Esso International BVBA(12).............................. 100 Belgium
ESSO Central Europe Holding GmbH...................... 100 Germany
Esso Austria GmbH (13)............................ 100 Austria
Esso Deutchland GmbH (14)......................... 100 Germany
BRIGITTA Erdgas und Erdoel GmbH,
Hannover (4)(5)................................ 50 Germany
Deutsche Exxon Chemical GmbH.................... 100 Germany
Mineraloelraffinerie Oberrhein GmbH & Co.
KG(5).......................................... 25 Germany
Exxon Luxembourg LLC ......................................... 100 Luxembourg
Exxon Luxembourg International, SARL....................... 100 Luxembourg
Exxon Chemical Netherlands 6 B.V. ....................... 100 Netherlands
Esso Brasileira de Petroleo Limitada.................. 100 Brazil
Exxon Sao Paulo Holding LLC........................... 100 Delaware
Exxon Yemen Inc. ............................................. 100 Delaware
General Sekiyu K.K. (15)...................................... 50.103 Japan
Tonen Kabushiki Kaisha (16)................................... 50 Japan
Esso Exploration and Production Chad Inc. ...................... 100 Delaware
Esso Italiana S.p.A. (17)....................................... 100 Italy
Esso Standard (Inter-America) Inc. ............................. 100 Delaware
Esso Standard Oil S.A. Limited.................................. 100 Bahamas
Exxon Asset Management Company.................................. 75.5 Delaware
Exxon Capital Corporation....................................... 100 New Jersey
Exxon Chemical Asset Management Partnership (18)................ 100 Delaware
Exxon Mobile Bay Limited Partnership (19)..................... 100 Delaware
Paxon Polymer Company, L.P. II (20)........................ 100 Delaware
Exxon Chemical Eastern Inc. .................................... 100 Delaware
Exxon Chemical HDPE Inc. ....................................... 100 Delaware
Exxon Chemical Interamerica Inc. ............................... 100 Delaware
Exxon (Barbados) Foreign Sales Corporation.................... 100 Barbados
Exxon Coal U.S.A., Inc.......................................... 100 Delaware
Exxon France Holding SAS........................................ 100 France
Societe Francaise EXXON CHEMICAL S.A. ........................ 99.359 France
Exxon Chemical France...................................... 100 France
Exxon Chemical Polymeres SNC (21).......................... 100 France
Exxon Holding Latin America Limited (22)........................ 100 Bahamas
Esso Chile Petrolera Limitada (23)............................ 100 Chile
Exxon Land Development, Inc..................................... 100 Delaware
Exxon Minerals International Inc. .............................. 100 Delaware
Compania Minera Disputada de Las Condes Limitada (24)......... 100 Chile
2
Percentage of
Voting Securities
Owned by State or
Immediate Country of
Parent(s) Organization
----------------- -------------
Exxon Overseas Corporation.................................... 100 Delaware
Exxon Chemical Arabia Inc. ................................. 100 Delaware
Al-Jubail Petrochemical Company (4) (5).................. 50 Saudi Arabia
Exxon Equity Holding Company................................ 100 Delaware
Exxon Overseas Investment Corporation....................... 100 Delaware
Esso Exploration Angola (Block 15) Limited............... 100 Bahamas
Esso Exploration Angola (Block 17) Limited............... 100 Bahamas
Exxon Financial Services Company Limited................. 100 Bahamas
Exxon Ventures Inc. ..................................... 100 Delaware
Exxon Azerbaijan Limited............................... 100 Bahamas
Exxon Ventures Holdings Inc. ............................ 100 Delaware
Esso Exploration and Production Angola
(Block 33) Limited..................................... 100 Bahamas
Mediterranean Standard Oil Co. ............................. 100 Delaware
Esso Trading Company of Abu Dhabi........................ 100 Delaware
Exxon Pipeline Holdings, Inc. ................................ 100 Delaware
Exxon Pipeline Company...................................... 100 Delaware
Exxon Worldwide Trading Company............................... 100 Delaware
ExxonMobil Research and Engineering Company................... 100 Delaware
Imperial Oil Limited.......................................... 69.6 Canada
International Colombia Resources Corporation (25)............. 100 Delaware
Mobil Corporation............................................. 100 Delaware
Mobil Business Resources Corporation........................ 100 Delaware
Mobil Cerro Negro Holding, Ltd. ............................ 100 Cayman Island
Mobil Cerro Negro, Ltd. ................................. 100 Bahamas
Mobil Equatorial Guinea Inc................................. 100 Delaware
Mobil Exploration and Development Venezuela Inc. ........... 100 Delaware
Mobil Exploration & Producing U.S. Inc. .................... 100 Delaware
Mobil Exploration and Producing North America Inc. ......... 100 Nevada
Mobil Oil Exploration & Producing Southeast Inc. ........ 100 Delaware
Mobil Oil Indonesia Inc. ................................ 100 Delaware
Mobil International Finance Corporation..................... 100 Delaware
Mobil Investments Inc. .................................. 100 Delaware
Mobil International Petroleum Corporation................... 100 Delaware
Mobil de Colombia S.A. (26).............................. 98.1 Colombia
General Petroleum Company, Inc. ......................... 100 New York
Mobil Chemical International Ltd. ....................... 100 Delaware
Mobil Exploration Norway Inc. ........................... 100 Delaware
Mobil Oil Abu Dhabi Inc. ................................ 100 Delaware
Mobil Oil Company de Colombia............................ 100 Delaware
Mobil Oil Cote d'Ivoire.................................. 100 Ivory Coast
Mobil Oil do Brasil (Industria e Comercio) Ltda. (27).... 100 Brazil
Mobil Oil East Africa Limited............................ 100 Delaware
Mobil Oil Egypt (S.A.E.) (28)............................ 100 Egypt
Mobil Oil Francaise...................................... 99.98 France
Mobil Oil Malaysia Sendirian Berhad...................... 100 Malaysia
Mobil Oil Singapore Pte. Ltd. ........................... 100 Singapore
Mobil Petroleum Company Inc. ............................ 100 Delaware
Mobil Australia Finance Company Pty Ltd................ 100 Australia
Mobil Europe Inc. ..................................... 100 Delaware
3
Percentage of
Voting Securities
Owned by State or
Immediate Country of
Parent(s) Organization
----------------- ----------------
Mobil Corporation (continued)
Mobil International Petroleum Corporation (continued)
Mobil Petroleum Company Inc. (continued)
Mobil Exploration Indonesia Inc. .................... 100 Delaware
Mobil Exploration & Producing Australia Pty Ltd...... 100 Australia
Mobil Australia Resources Company Pty Limited..... 100 Australia
Mobil Holdings (U.K.) Limited........................ 100 Delaware
Mobil Holdings (Europe and Africa) Limited........ 100 Delaware
Mobil Oil Portuguesa, LDA (29)................. 100 Portugal
Mobil Holdings Limited............................ 100 England
Mobil Oil Company Limited...................... 100 England
Mobil Gas Marketing (U.K.) Limited.......... 100 England
Mobil Services Company Limited.............. 100 England
Mobil Trading and Supply Limited............ 100 England
Vacuum Oil Company Limited.................. 100 England
Superior Oil (UK) Limited...................... 100 England
Mobil North Sea Limited........................... 100 Delaware
Mobil Holdings Benelux Inc. ......................... 100 Delaware
Mobil Oil B.V. ................................... 100 Netherlands
Mobil Oil S.A. ................................ 100 Spain
Mobil Oil Hellas A.E. (30)........................ 100 Greece
Mobil Marine Transportation Limited.................. 100 Canada
Mobil Shipping and Transportation Company......... 100 Marshall Islands
Mobil Oil Australia Limited.......................... 100 Australia
Vacuum Oil Company Proprietary Limited............ 100 Australia
Mobil Refining Australia Pty LTD............... 100 Australia
Mobil Oil Austria Aktiengesellschaft................. 100 Austria
Mobil Oil GmbH (31).................................. 100 Germany
Mobil Erdgas-Erdoel GmbH.......................... 100 Germany
Mobil Mineraloel GmbH............................. 100 Germany
Mobil Oil Hong Kong Limited.......................... 99.9 Hong Kong
Mobil Oil Kazakhstan Inc. ........................... 100 Delaware
Mobil Oil Maroc (32)................................. 100 Morocco
Mobil Oil New Zealand Limited........................ 100 New Zealand
Mobil Oil Qatar Inc. ................................ 100 Delaware
Mobil Oil (Switzerland).............................. 100 Switzerland
Mobil Oil Turk A.S. ................................. 100 Turkey
Mobil Petrochemical Sales and Supply Corporation..... 100 Delaware
Mobil Producing Netherlands Inc. .................... 100 Delaware
Mobil Saudi Arabia Inc. ............................. 100 Delaware
Mobil Sekiyu Kabushiki Kaisha........................ 100 Japan
Mobil Vietnam Inc. .................................. 100 Delaware
Mobil Yanbu Petrochemical Company Inc. .............. 100 Delaware
Saudi Yanbu Petrochemical Co. (4)(5).............. 50 Saudi Arabia
Mobil Yanbu Refining Company Inc. ................... 100 Delaware
Saudi Aramco Mobil Refinery Company Ltd. (4)(5)... 50 Saudi Arabia
Mobil Petrochemicals International Limited............. 100 Delaware
Mobil Pipe Line Company................................ 100 Delaware
4
Percentage of
Voting Securities
Owned by State or
Immediate Country of
Parent(s) Organization
----------------- ------------
Mobil Corporation (continued)
Mobil International Petroleum Corporation (continued)
Mobil Plastics Europe, Inc. ............................... 100 Delaware
Mobil Petrochemical Holdings Co. Inc. ................... 100 Delaware
Mobil Sales and Supply Corporation......................... 100 Delaware
Mobil Gas Liquids Trading, Inc. ......................... 100 Delaware
Mobil Kazakhstan Ventures Inc. ............................... 100 Delaware
Tengizchevroil (5)......................................... 25 Kazakhstan
Mobil Natural Gas Inc. ....................................... 100 Delaware
Duke Energy and Marketing LLC (5).......................... 40 Delaware
Mobil Oil Cameroun............................................ 99.98 Cameroon
Mobil Oil Corporation......................................... 100 New York
Mobil Alaska Pipeline Company.............................. 100 Delaware
Mobil California Exploration & Producing Asset
Company (33).............................................. 100 Delaware
Aera Energy L.L.C. (5)................................... 48.2 California
Mobil Chemical Company Inc. ............................... 100 Delaware
Mobil Development Nigeria Inc. ............................ 100 Delaware
Mobil Producing Nigeria Unlimited (34)................... 100 Nigeria
Mobil Exploration and Producing Services Inc. ............. 100 Delaware
Mobil Exploration Nigeria Inc. ............................ 100 Delaware
Mobil Oil Credit Corporation............................... 100 Delaware
Mobil Oil Nigeria Public Limited Company................... 60 Nigeria
Mobil Oil Refining Corporation............................. 100 Delaware
Mobil Rocky Mountain Inc. ................................. 100 Delaware
Mobil Investments Canada Inc. (35)....................... 100 Delaware
Mobil Oil Canada, Ltd. ............................... 100 Canada
Mobil Technology Company................................... 100 Delaware
Mobil Produccion E Industrializacion de Venezuela............. 100 Delaware
Mobil Producing Texas & New Mexico Inc. ...................... 100 Delaware
Mobil Qatargas Inc. .......................................... 100 Delaware
Qatar Liquefied Gas Company Limited (5).................... 10 Qatar
Mobil QM Gas Inc. ............................................ 100 Delaware
Ras Laffan Liquefied Natural Gas Company Ltd. (5).......... 26.5 Qatar
The Superior Oil Company...................................... 100 Delaware
oy Esso ab...................................................... 100 Finland
SeaRiver Maritime Financial Holdings, Inc. ..................... 100 Delaware
SeaRiver Maritime, Inc. ...................................... 100 Delaware
- - - - - - - - - - - - - - - - ---------------------
NOTES:
(1) For the purposes of this list, if the registrant owns directly or
indirectly approximately 50 percent of the voting securities of any
person and approximately 50 percent of the voting securities of such
person is owned directly or indirectly by another interest, or if the
registrant includes its share of net income of any other unconsolidated
person in consolidated net income, such person is deemed to be a
subsidiary.
(2) With respect to certain companies, shares in names of nominees and
qualifying shares in names of directors are included in the above
percentages.
(3) The names of other subsidiaries have been omitted from the above list
since considered in the aggregate, they would not constitute a
significant subsidiary.
5
(4) The registrant owns directly or indirectly approximately 50 percent of
the securities of this person and approximately 50 percent of the voting
securities of this person is owned directly or indirectly by another
single interest.
(5) The investment in this unconsolidated person is represented by the
registrant's percentage interest in the underlying net assets of such
person.
(6) Dual ownership; of the 100%, 83.3333% is owned by Esso Eastern Inc. and
16.6667% is owned by Exxon Chemical Eastern Inc.
(7) Dual ownership; of the 100%, 98% is owned by Esso UK plc and 2% is owned
by Esso Holding Company U.K. Inc.
(8) Multiple ownership; of the 100%, 97% is owned by Esso Eastern Inc.,
2.75% is owned by Exxon Chemical Interamerica Inc. and .25% is owned by
Exxon Mobil Corporation.
(9) Dual ownership; of the 100%, 99.99997% is owned by Esso Holding B.V. and
0.00003% is owned by Exxon Chemical Holland Inc.
(10) Multiple ownership; of the 100%, 32.22% is owned by Esso N.V./S.A.,
26.39% is owned by Esso Standard NV, 28.06% is owned by Esso Exploration
and Production Norway AS and 13.33% is owned by Exxon Chemical Antwerp
Ethylene NV.
(11) Dual ownership; of the 100%, 99.9994% is owned by Esso Holding B.V. and
0.0006% is owned by Exxon Chemical Holland Inc.
(12) Dual ownership; of the 100%, 99.9% is owned by Exxon Denmark Holdings
International ApS and 0.1% is owned by Exxon Luxembourg International,
SARL.
(13) Dual ownership; of the 100%, 99.9996% is owned by ESSO Central Europe
Holding GmbH and 0.0004% is owned by Exxon Mobil Corporation.
(14) Dual ownership; of the 100%, 99.998% is owned by ESSO Central Europe
Holding GmbH and 0.002% is owned by Exxon Mobil Corporation.
(15) Dual ownership; of the 50.103%, 48.571% is owned by Esso Eastern Inc.
and 1.532% is owned by Esso Sekiyu Kabushiki Kaisha.
(16) Dual ownership; of the 50%, 25% is owned by Esso Eastern Inc. and 25% is
owned by Mobil Petroleum Company Inc.
(17) Dual ownership; of the 100%, 90% is owned by Exxon Mobil Corporation and
10% is owned by Exxon Overseas Corporation.
(18) Dual ownership; of the 100%, 68.4% is owned by Exxon Mobil Corporation
and 31.6% is owned by Exxon Asset Management Company.
(19) Dual ownership; of the 100%, 81.4% is owned by Exxon Chemical Asset
Management Partnership and 18.6% is owned by Exxon Mobil Corporation.
(20) Dual ownership; of the 100%, 98% is owned by Exxon Mobile Bay Limited
Partnership and 2% is owned by Exxon Chemical HDPE Inc.
(21) Dual ownership; of the 100%, 98% is owned by Societe Francaise EXXON
CHEMICAL S.A. and 2% is owned by Exxon Chemical France.
(22) Dual ownership; of the 100%, 79.822% is owned by Exxon Mobil Corporation
and 20.178% is owned by Esso Standard (Inter-America) Inc.
(23) Dual ownership; of the 100%, 99% is owned by Exxon Holding Latin America
Limited and 1% is owned by Exxon Mobil Corporation.
(24) Multiple ownership; of the 100%, 47.56% is owned by Exxon Minerals
International Inc., 34.18% is owned by Exxon Financial Services Company
Limited and 18.26% is owned by Exxon Holding Latin America Limited.
(25) Dual ownership; of the 100%, 55% is owned by Exxon Mobil Corporation and
45% is owned by Esso Holding Company Holland Inc.
6
(26) Multiple ownership; of the 98.1%, 81.27% is owned by Mobil International
Petroleum Corporation, .31% is owned by Mobil Oil Company de Colombia
and 16.52% is owned by Mobil Petroleum Company Inc.
(27) Dual ownership; of the 100%, 90% is owned by Mobil International
Petroleum Corporation and 10% is owned by General Petroleum Company Inc.
(28) Multiple ownership; of the 100%, 99.28% is owned by Mobil International
Petroleum Corporation, .36% is owned by General Petroleum Company, Inc.
and .36% is owned by Mobil Petroleum Company, Inc.
(29) Dual ownership; of the 100%, 99.98% is owned by Mobil Holdings (Europe
and Africa) Limited and .02% is owned by Mobil Services Company Limited.
(30) Dual ownership; of the 100%, 99.98% is owned by Mobil Holdings Benelux
Inc. and .02% is owned by Mobil Holdings (UK) Limited.
(31) Dual ownership; of the 100%, 90% is owned by Mobil Petroleum Company
Inc. and 10% is owned by Mobil International Petroleum Corporation.
(32) Dual ownership; of the 100%, 87.55% is owned by Mobil Petroleum Company
Inc. and 12.45% is owned by Mobil Oil Francaise.
(33) Dual ownership; of the 100%, 98.5% is owned by Mobil Oil Corporation and
1.5% is owned by Mobil Exploration and Producing North America Inc.
(34) Dual ownership; of the 100%, 50% is owned by Mobil Development Nigeria
Inc. and 50% is owned by Mobil Exploration Nigeria Inc.
(35) Dual ownership; of the 100%, 65.31% is owned by Mobil Rocky Mountain
Inc. and 34.69% is owned by Mobil Exploration and Producing North
America Inc.
7