EXHIBIT 21

Subsidiaries of the Registrant (1), (2) and (3) — at December 31, 2011

 

      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

AKG Marketing Company Limited

             100    Bahamas

Al-Jubail Petrochemical Company (4) (5)

               50    Saudi Arabia

Ampolex (CEPU) Pte Ltd

             100    Singapore

Ancon Insurance Company, Inc.

             100    Vermont

Barnett Gathering, LP

             100    Texas

Barzan Gas Company Limited (5)

                 7    Qatar

BEB Erdgas und Erdoel GmbH (4) (5)

               50    Germany

Cameroon Oil Transportation Company S.A. (5)

               41.06    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

Cross Timbers Energy Services, Inc.

             100    Texas

Ellora Energy Inc.

             100    Delaware

Ellora Land Holdings, LP

             100    Colorado

Esso Australia Resources Pty Ltd

             100    Australia

Esso Deutschland GmbH

             100    Germany

Esso Erdgas Beteiligungsgesellschaft mbH

             100    Germany

Esso Exploration and Production Angola (Block 31) Limited

             100    Bahamas

Esso Exploration and Production Angola (Overseas) 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 (Offshore East) 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 Ireland Limited

             100    Ireland

Esso Italiana S.r.l.

             100    Italy

Esso Malaysia Berhad

               65    Malaysia

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

               82.89    France

Esso Societe Anonyme Francaise

               82.89    France

Esso (Thailand) Public Company Limited

               65.99    Thailand

Esso Trading Company of Abu Dhabi

             100    Delaware

Exxon Azerbaijan Limited

             100    Bahamas

Exxon Chemical Arabia Inc.

             100    Delaware

Exxon Luxembourg Holdings LLC

             100    Delaware

Exxon Mobile Bay Limited Partnership

             100    Delaware

Exxon Neftegas Limited

             100    Bahamas

Exxon Overseas Corporation

             100    Delaware

 

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      Percentage of
Voting Securities
Owned Directly
or Indirectly by
Registrant
   State or
Country of Organization

Exxon Overseas Investment Corporation

               100    Delaware

ExxonMobil Abu Dhabi Offshore Petroleum Company Limited

               100    Bahamas

ExxonMobil Alaska Production Inc.

               100    Delaware

ExxonMobil Asia Pacific Pte. Ltd.

               100    Singapore

ExxonMobil Australia Pty Ltd

               100    Australia

ExxonMobil Belgium Finance

               100    Belgium

ExxonMobil Business Finance Company

               100    Nevada

ExxonMobil Canada Energy

               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 France

                 99.77    France

ExxonMobil Chemical Holland B.V.

               100    Netherlands

ExxonMobil Chemical Limited

               100    United Kingdom

ExxonMobil China Petroleum & Petrochemical Company Limited

               100    Bahamas

ExxonMobil de Colombia S.A.

                 99.7    Colombia

ExxonMobil Delaware Holdings Inc.

               100    Delaware

ExxonMobil Development Company

               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 Finance Company Limited

               100    United Kingdom

ExxonMobil France Holding SAS

               100    France

ExxonMobil Gas Marketing Deutschland GmbH

               100    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 International Services

               100    Luxembourg

ExxonMobil Iraq Limited

               100    Bahamas

ExxonMobil Italiana Gas S.r.l.

               100    Italy

ExxonMobil Kazakhstan Inc.

               100    Bahamas

ExxonMobil Kazakhstan Ventures Inc.

               100    Delaware

ExxonMobil Kurdistan Region of Iraq Limited

               100    Bahamas

ExxonMobil Libya Limited

               100    Bahamas

ExxonMobil Malaysia Sdn Bhd

               100    Malaysia

ExxonMobil Marine Limited

               100    United Kingdom

ExxonMobil Oil & Gas Investments Limited

               100    Bahamas

ExxonMobil Oil Corporation

               100    New York

ExxonMobil Oil Indonesia Inc.

               100    Cayman Islands

ExxonMobil Permian Basin Inc.

               100    Delaware

ExxonMobil Petroleum & Chemical

               100    Belgium

ExxonMobil Pipeline Company

               100    Delaware

ExxonMobil Production Deutschland GmbH

               100    Germany

ExxonMobil Production Norway Inc.

               100    Delaware

 

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      Percentage of
Voting Securities
Owned Directly
or Indirectly by
Registrant
   State or
Country of Organization

ExxonMobil Qatargas Inc.

             100    Delaware

ExxonMobil Qatargas (II) Limited

             100    Bahamas

ExxonMobil Qatargas (II) Terminal Company Limited

             100    Bahamas

ExxonMobil Ras Laffan (III) Limited

             100    Bahamas

ExxonMobil Rasgas Inc.

             100    Delaware

ExxonMobil Research and Engineering Company

             100    Delaware

ExxonMobil Sales and Supply LLC

             100    Delaware

ExxonMobil Southwest Holdings Inc.

             100    Delaware

ExxonMobil Technology Finance Company

             100    Delaware

ExxonMobil Ventures Funding Ltd.

             100    Bahamas

ExxonMobil Yugen Kaisha

             100    Japan

Fina Antwerp Olefins N.V. (5)

               35    Belgium

Fujian Refining & Petrochemical Co. Ltd. (5)

               25    China

Golden Pass LNG Terminal Investments LLC

             100    Delaware

Golden Pass LNG Terminal LLC (5)

               17.6    Delaware

Imperial Oil Limited

               69.6    Canada

Imperial Oil (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 Australia Resources Company Pty Limited

             100    Australia

Mobil California Exploration & Producing Asset Company

             100    Delaware

Mobil Caspian Pipeline Company

             100    Delaware

Mobil Cepu Ltd.

             100    Bermuda

Mobil Cerro Negro, Ltd.

             100    Bahamas

Mobil Corporation

             100    Delaware

Mobil Equatorial Guinea Inc.

             100    Delaware

Mobil Erdgas-Erdoel GmbH

             100    Germany

Mobil Exploration Indonesia Inc.

             100    Cayman Islands

Mobil Oil Australia Pty Ltd

             100    Australia

Mobil Oil Exploration & Producing Southeast Inc.

             100    Delaware

Mobil Oil New Zealand Limited

             100    New Zealand

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

Nederlandse Aardolie Maatschappij B.V. (4) (5)

               50    Netherlands

Palmetto Transoceanic LLC

             100    Delaware

Papua New Guinea Liquefied Natural Gas Global Company LDC (5)

               33.2    Bahamas

Phillips Exploration, Inc.

             100    Pennsylvania

Qatar Liquefied Gas Company Limited (5)

               10    Qatar

Qatar Liquefied Gas Company Limited (2) (5)

               24.15    Qatar

Ras Laffan Liquefied Natural Gas Company Limited (5)

               24.999    Qatar

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

               31.006    Qatar

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

               30    Qatar

 

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      Percentage of
Voting Securities
Owned Directly
or Indirectly by
Registrant
   State or
Country of Organization

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

Shimizu LNG Co. Ltd. (5)

               35    Japan

Societa a responsabilita limitata Raffineria Padana Olii Minerali—S.A.R.P.O.M. S.r.l.

               74.14    Italy

South Hook LNG Terminal Company Limited (5)

               24.15    United Kingdom

Tengizchevroil, LLP (5)

               25    Kazakhstan

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

               70.679    Italy

Tonen Chemical Corporation

               50.088    Japan

Tonen Chemical Nasu Corporation

               50.088    Japan

TonenGeneral Sekiyu K.K.

               50.088    Japan

Toray Tonen Specialty Separator Godo Kaisha (5)

               25.04    Japan

Trend Gathering & Treating, LP

             100    Texas

XH, LLC

             100    Delaware

XTO Energy Inc.

             100    Delaware

XTO Offshore 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 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.

 

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