EXHIBIT 21
Subsidiaries of the Registrant (1), (2) and (3)
AT DECEMBER 31, 2003
| Percentage of Voting Securities Owned Directly or Indirectly by |
State or Country of | |||
| Aera Energy LLC (5) |
48.2 | California | ||
| Al-Jubail Petrochemical Company (4) (5) |
50 | Saudi Arabia | ||
| Ampolex (CEPU) Pte Ltd |
100 | Singapore | ||
| Ancon Insurance Company, Inc. |
100 | Vermont | ||
| BEB Erdgas und Erdoel GmbH (4) (5) |
50 | Germany | ||
| Cameroon Oil Transportation Company S.A. (5) |
49.46 | Cameroon | ||
| Caspian Pipeline Consortium (5) |
7.5 | Russia/Kazakhstan | ||
| Castle Peak Power Company Limited (5) |
60 | Hong Kong | ||
| Chalmette Refining, LLC (4) (5) |
50 | Delaware | ||
| Delhi Petroleum Pty. Ltd. |
100 | Australia | ||
| Esso Australia Resources Pty Ltd |
100 | Australia | ||
| Esso Austria GmbH |
100 | Austria | ||
| Esso Brasileira de Petroleo Limitada |
100 | Brazil | ||
| Esso Chile Petrolera Limitada |
100 | Chile | ||
| Esso Deutschland GmbH |
100 | Germany | ||
| Esso Erdgas Beteiligungsgesellschaft mbH |
100 | Germany | ||
| Esso Espanola, S. L. |
100 | Spain | ||
| Esso Exploration and Production Chad Inc. |
100 | Delaware | ||
| Esso Exploration and Production Nigeria (Deepwater) Limited |
100 | Nigeria | ||
| Esso Exploration and Production Nigeria Limited |
100 | Nigeria | ||
| Esso Exploration and Production Norway AS |
100 | Norway | ||
| Esso Exploration and Production UK Limited |
100 | England | ||
| Esso Exploration Angola (Block 15) Limited |
100 | Bahamas | ||
| Esso Exploration Angola (Block 17) Limited |
100 | Bahamas | ||
| Esso Ireland Limited |
100 | Ireland | ||
| Esso Italiana S.r.l. |
100 | Italy | ||
| Esso Malaysia Berhad |
65 | Malaysia | ||
| Esso Natuna Ltd. |
100 | Bahamas | ||
| Esso Nederland B.V. |
100 | Netherlands | ||
| Esso Norge AS |
100 | Norway | ||
| Esso Petrolera Argentina Sociedad de Responsabilidad Limitada |
100 | Argentina | ||
| Esso Petroleum Company, Limited |
100 | England | ||
| Esso Pipeline Investments Limited |
100 | Bahamas | ||
| Esso Raffinage S.A.F. |
82.89 | France | ||
| Esso Schweiz GmbH |
100 | Switzerland | ||
| Esso Societe Anonyme Francaise |
82.89 | France | ||
| Esso (Thailand) Public Company Limited |
87.5 | Thailand | ||
| Esso Trading Company of Abu Dhabi |
100 | Delaware | ||
| Exxon Azerbaijan Caspian Sea Limited |
100 | Bahamas | ||
| Exxon Azerbaijan Limited |
100 | Bahamas | ||
| Exxon Capital Corporation |
100 | New Jersey | ||
| Exxon Chemical Arabia Inc. |
100 | Delaware | ||
| Exxon Chemical Asset Management Partnership |
85.11 | Delaware |
1
| Percentage of Voting Securities Owned Directly or Indirectly by |
State or Country of | |||
| Exxon Luxembourg Holdings LLC |
100 | Delaware | ||
| Exxon Mobile Bay Limited Partnership |
90.49 | Delaware | ||
| Exxon Neftegas Limited |
100 | Bahamas | ||
| Exxon Overseas Corporation |
100 | Delaware | ||
| Exxon Yemen Inc. |
100 | Delaware | ||
| ExxonMobil Alaska Production Inc. |
100 | Delaware | ||
| ExxonMobil Asia Pacific Pte. Ltd. |
100 | Singapore | ||
| ExxonMobil Aviation International Limited |
100 | England | ||
| ExxonMobil Canada Ltd. |
100 | Canada | ||
| ExxonMobil Capital N.V. |
100 | Netherlands | ||
| ExxonMobil Central Europe Holding GmbH |
100 | Germany | ||
| ExxonMobil Chemical Central Europe GmbH |
100 | Germany | ||
| ExxonMobil Chemical Films Europe, Inc. |
100 | Delaware | ||
| ExxonMobil Chemical France S.A.R.L. |
99.77 | France | ||
| ExxonMobil Chemical Holland B.V. |
100 | Netherlands | ||
| ExxonMobil Chemical Holland LLC |
100 | Delaware | ||
| ExxonMobil Chemical Limited |
100 | England | ||
| ExxonMobil Chemical Operations Private Limited |
100 | Singapore | ||
| ExxonMobil Chemical Polymeres SNC |
99.77 | France | ||
| ExxonMobil de Colombia S.A. |
99.42 | Colombia | ||
| ExxonMobil Egypt (S.A.E.) |
100 | Egypt | ||
| ExxonMobil Energy Limited |
100 | Hong Kong | ||
| ExxonMobil Exploration and Production Malaysia Inc. |
100 | Delaware | ||
| ExxonMobil Far East Holdings Ltd. |
100 | Bahamas | ||
| ExxonMobil Gas Marketing Europe Limited |
100 | England | ||
| ExxonMobil Global Services Company |
100 | Delaware | ||
| ExxonMobil Holding Company Holland LLC |
100 | Delaware | ||
| ExxonMobil Hong Kong Limited |
100 | Hong Kong | ||
| ExxonMobil International Holdings Inc. |
100 | Delaware | ||
| ExxonMobil International Services, SARL |
100 | Luxembourg | ||
| ExxonMobil Kazakhstan Inc. |
100 | Bahamas | ||
| ExxonMobil Kazakhstan Ventures Inc. |
100 | Delaware | ||
| ExxonMobil Luxembourg UK, SARL |
100 | Luxembourg | ||
| ExxonMobil Malaysia Sdn Bhd |
100 | Malaysia | ||
| ExxonMobil Marine Limited |
100 | England | ||
| ExxonMobil Mediterranea S.R.L. |
100 | Italy | ||
| ExxonMobil Middle East Gas Marketing Limited |
100 | Bahamas | ||
| ExxonMobil Oil Corporation |
100 | New York | ||
| ExxonMobil Oil Indonesia Inc. |
100 | Delaware | ||
| ExxonMobil Oil Singapore Pte. Ltd. |
100 | Singapore | ||
| ExxonMobil Petroleum & Chemical |
100 | Belgium | ||
| ExxonMobil Pipeline Company |
100 | Delaware | ||
| ExxonMobil Production Deutschland GmbH |
100 | Germany |
2
| Percentage of Voting Securities Owned Directly or Indirectly by |
State or Country of | |||
| ExxonMobil Qatargas Inc. |
100 | Delaware | ||
| ExxonMobil Rasgas Inc. |
100 | Delaware | ||
| ExxonMobil Sales and Supply Corporation |
100 | Delaware | ||
| ExxonMobil Yugen Kaisha |
100 | Japan | ||
| Fina Antwerp Olefins N.V. (5) |
35 | Belgium | ||
| Imperial Oil Limited |
69.6 | Canada | ||
| Infineum Holdings B.V. (5) |
49.96 | Netherlands | ||
| Kyokuto Sekiyu Kogyo Kabushiki Kaisha (4) (5) |
50 | Japan | ||
| Mineraloelraffinerie Oberrhein GmbH & Co. KG (5) |
25 | Germany | ||
| Mobil Argentina S.A. |
100 | Argentina | ||
| Mobil Australia Resources Company Pty Limited |
100 | Australia | ||
| Mobil California Exploration & Producing Asset Company |
100 | Delaware | ||
| Mobil Caspian Pipeline Company |
100 | Delaware | ||
| Mobil Cerro Negro, Ltd. |
100 | Bahamas | ||
| Mobil Corporation |
100 | Delaware | ||
| Mobil Equatorial Guinea Inc. |
100 | Delaware | ||
| Mobil Erdgas-Erdoel GmbH |
99.999 | Germany | ||
| Mobil Exploration and Development Argentina Inc. |
100 | Delaware | ||
| Mobil Exploration Indonesia Inc. |
100 | Delaware | ||
| Mobil Exploration Norway Inc. |
100 | Delaware | ||
| Mobil Fairfax Inc. |
100 | Delaware | ||
| Mobil North Sea Limited |
100 | Delaware | ||
| Mobil Oil Australia Pty Ltd |
100 | Australia | ||
| Mobil Oil Exploration & Producing Southeast Inc. |
100 | Delaware | ||
| Mobil Oil New Zealand Limited |
100 | New Zealand | ||
| Mobil Oil Nigeria Public Limited Company |
59.999 | Nigeria | ||
| Mobil Producing Nigeria Unlimited |
100 | Nigeria | ||
| Mobil Producing Texas & New Mexico Inc. |
100 | Delaware | ||
| Mobil Refining Australia Pty Ltd |
100 | Australia | ||
| Mobil Yanbu Petrochemical Company Inc. |
100 | Delaware | ||
| Mobil Yanbu Refining Company Inc. |
100 | Delaware | ||
| Nansei Sekiyu Kabushiki Kaisha (6) |
43.77 | Japan | ||
| Nederlandse Aardolie Maatschappij B.V. (4) (5) |
50 | Netherlands | ||
| Paxon Polymer Company, L.P. II |
92.84 | Delaware | ||
| QM Tanker Co., LLC (4) |
50 | Cayman Island | ||
| Ras Laffan Liquefied Natural Gas Company Limited (5) |
26.5 | Qatar | ||
| Ras Laffan Liquefied Natural Gas Company Limited (II) (5) |
29.999 | Qatar | ||
| Samoco LLC (4) |
50 | Cayman Island | ||
| Saudi Aramco Mobil Refinery Company Ltd. (4) (5) |
50 | Saudi Arabia | ||
| Saudi Yanbu Petrochemical Co. (4) (5) |
50 | Saudi Arabia | ||
| Schubert Beteiligungs-GmbH |
72.999 | Germany | ||
| SeaRiver Maritime Financial Holdings, Inc. |
100 | Delaware | ||
| SeaRiver Maritime, Inc. |
100 | Delaware |
3
| Percentage of Voting Securities Owned Directly or Indirectly by |
State or Country of | |||
| Societa per Azioni Raffineria Padana Olii Minerali-SARPOM |
74.14 | Italy | ||
| Superior Oil (U.K.) Limited |
100 | England | ||
| Tengizchevroil, LLP (5) |
25 | Kazakhstan | ||
| TonenGeneral Sekiyu K.K. |
50.021 | Japan | ||
| Tonen Kagaku K.K. |
50.021 | Japan |
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 under Securities and Exchange Commission Regulation S-X, Rule 1-02(w). |
| (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. The accounting for these unconsolidated persons is referred to as the equity method of accounting. |
| (6) | The percentage interest shown reflects an 87.5% ownership of voting securities by TonenGeneral Sekiyu K.K., of which the registrant owns 50.021% of voting securities. |
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