EXHIBIT 21

Subsidiaries of the Registrant (1), (2) and (3) – at December 31, 2006

 

    

Percentage of

Voting Securities

Owned Directly

or Indirectly by
Registrant


  

State or

Country of Organization


Abu Dhabi Petroleum Company Limited (5)

   23.75    United Kingdom

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)

   41.07    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

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 Angola (Block 31) Limited

   100          Bahamas

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 UK Limited

   100          United Kingdom

Esso Exploration Angola (Block 15) Limited

   100          Bahamas

Esso Exploration Angola (Block 17) Limited

   100          Bahamas

Esso Highlands Limited

   100          Papua New Guinea

Esso Holding Company Singapore Limited

   100          Bahamas

Esso Ireland Limited

   100          Ireland

Esso Italiana S.r.l.

   100          Italy

Esso Malaysia Berhad

   65        Malaysia

Esso Natuna Ltd.

   100          Bermuda

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          United Kingdom

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 Chemical Arabia Inc.

   100          Delaware

Exxon International Finance Company

   100          Delaware

 

- 1 -


    

Percentage of

Voting Securities

Owned Directly

or Indirectly by
Registrant


  

State or

Country of Organization


Exxon Luxembourg Holdings LLC

   100          Delaware

Exxon Mobile Bay Limited Partnership

   100          Delaware

Exxon Neftegas Limited

   100          Bahamas

ExxonMobil Abu Dhabi Offshore Petroleum Company Limited

   100          Bahamas

ExxonMobil Alaska Production Inc.

   100          Delaware

ExxonMobil Asia Pacific Pte. Ltd.

   100          Singapore

ExxonMobil Aviation International Limited

   100          United Kingdom

ExxonMobil Canada Energy

   100          Canada

ExxonMobil Canada Finance Company

   100          Canada

ExxonMobil Canada Ltd.

   100          Canada

ExxonMobil Canada Properties

   100          Canada

ExxonMobil Canada Resources Company

   100          Canada

ExxonMobil Capital N.V.

   100          Netherlands

ExxonMobil Catalyst Technologies LLC

   100          Delaware

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 Limited

   100          United Kingdom

ExxonMobil Chemical Operations Private Limited

   100          Singapore

ExxonMobil Chemical Polymeres SNC

    99.77    France

ExxonMobil de Colombia S.A.

    99.42    Colombia

ExxonMobil Deepwater Holdings B.V.

   100          Netherlands

ExxonMobil Delaware Holdings Inc.

   100          Delaware

ExxonMobil Egypt (S.A.E.)

   100          Egypt

ExxonMobil Energy Limited

   100          Hong Kong

ExxonMobil Exploration and Production Malaysia Inc.

   100          Delaware

ExxonMobil Exploration and Production Norway AS

   100          Norway

ExxonMobil Far East Holdings Ltd.

   100          Bahamas

ExxonMobil Finance Company Limited

   100          United Kingdom

ExxonMobil Gas Marketing Deutschland GmbH

      99.999    Germany

ExxonMobil Gas Marketing Deutschland GmbH & Co. KG

   50        Germany

ExxonMobil Gas Marketing Europe Limited

   100          United Kingdom

ExxonMobil Global Services Company

   100          Delaware

ExxonMobil Holding Company Holland LLC

   100          Delaware

ExxonMobil Holding Norway AS

   100          Norway

ExxonMobil Hong Kong Limited

   100          Hong Kong

ExxonMobil Hungary Finance Kft.

   100          Hungary

ExxonMobil International Holdings Inc.

   100          Delaware

ExxonMobil International Services, SARL

   100          Luxembourg

ExxonMobil Italiana Gas S.r.l

   100          Italy

ExxonMobil Kazakhstan Inc.

   100          Bahamas

ExxonMobil Kazakhstan Ventures Inc.

   100          Delaware

ExxonMobil Luxembourg UK, SARL

   100          Luxembourg

ExxonMobil Marine Limited

   100          United Kingdom

ExxonMobil Middle East Gas Marketing Limited

   100          Bahamas

ExxonMobil Oil & Gas Investments Limited

   100          Bahamas

ExxonMobil Oil Corporation

   100          New York

 

- 2 -


    

Percentage of

Voting Securities

Owned Directly

or Indirectly by
Registrant


  

State or

Country of Organization


ExxonMobil Oil Indonesia Inc.

   100          Cayman Island

ExxonMobil Permian Basin Inc.

   100          Delaware

ExxonMobil Petroleum & Chemical, BVBA

   100          Belgium

ExxonMobil Petroleum & Chemical Holdings Inc.

   100          Delaware

ExxonMobil Pipeline Company

   100          Delaware

ExxonMobil Production Deutschland GmbH

   100          Germany

ExxonMobil Production Norway Inc.

   100          Delaware

ExxonMobil Qatargas Inc.

   100          Delaware

ExxonMobil Qatargas (II) Limited

   100          Bahamas

ExxonMobil Qatargas (II) Surety Corporation

   100          Delaware

ExxonMobil Qatargas (II) Terminal Company Limited

   100          Bahamas

ExxonMobil Rasgas Inc.

   100          Delaware

ExxonMobil Sales and Supply Corporation

   100          Delaware

ExxonMobil Southwest Holdings Inc.

   100          Delaware

ExxonMobil Yugen Kaisha

   100          Japan

Fina Antwerp Olefins N.V. (5)

   35       Belgium

Imperial Oil Limited

   69.6    Canada

Imperial Oil Petroliere Imperiale, (an Ontario General Partnership)

   69.6    Canada

Imperial Oil Resources (an Alberta limited partnership)

   69.6    Canada

Imperial Oil Resources Limited

   69.6    Canada

Imperial Oil Resources N.W.T. Limited

   69.6    Canada

Imperial Oil Resources Ventures Limited

   69.6    Canada

Infineum Holdings B.V. (5)

     49.96    Netherlands

Kyokuto Petroleum Industries, Ltd. (4) (5)

   50         Japan

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 Indonesia Inc.

   100          Cayman Island

Mobil Exploration and Producing North America Inc.

   100          Nevada

Mobil International Finance Corporation

   100          Delaware

Mobil International Petroleum Corporation

   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 Pipe Line Company

   100          Delaware

Mobil Producing Nigeria Unlimited

   100          Nigeria

Mobil Producing Texas & New Mexico Inc.

   100          Delaware

Mobil Refining Australia Pty Ltd

   100          Australia

Mobil Services (Bahamas) Limited

   100          Bahamas

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

 

- 3 -


    

Percentage of

Voting Securities

Owned Directly

or Indirectly by
Registrant


  

State or

Country of Organization


Qatar Liquefied Gas Company Limited (5)

   10        Qatar

Qatar Liquefied Gas Company Limited (II) (5)

   24.15    Qatar

Ras Laffan Liquefied Natural Gas Company Limited (5)

     24.999    Qatar

Ras Laffan Liquefied Natural Gas Company Limited (II) (5)

   30        Qatar

Ras Laffan Liquefied Natural Gas Company Limited (3) (5)

   30        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

SeaRiver Maritime Financial Holdings, Inc.

   100          Delaware

SeaRiver Maritime, Inc.

   100          Delaware

Societa per Azioni Raffineria Padana Olii Minerali - SARPOM

   74.14    Italy

South Hook LNG Terminal Company Limited (5)

   30        United Kingdom

Superior Oil (U.K.) Limited

   100          United Kingdom

Tengizchevroil, LLP (5)

   25        Kazakhstan

Terminale GNL Adriatico S.r.l. (5)

   45        Italy

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.

 

- 4 -