Percentage of

Voting Securities

Owned Directly

or Indirectly by

Registrant

State or

Country of Organization

Mobil Yanbu Refining Company Inc.

        100

    Delaware

Mountain Gathering, LLC

        100

    Delaware

Mozambique Rovuma Venture, S.p.A. (5) 

          35.714 

    Italy

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

Permian Express Partners LLC (5) 

          12.3

    Delaware

Phillips Exploration, LLC

        100 

    Delaware

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)    

          30.517

    Qatar

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

          30

    Qatar

Saudi Aramco Mobil Refinery Company Ltd. (4) (5)   

          50

    Saudi Arabia

Saudi Yanbu Petrochemical Co. (4) (5)

          50

    Saudi Arabia

SeaRiver Maritime, Inc.

        100

    Delaware

South Hook LNG Terminal Company Limited (5) 

          24.15

    United Kingdom

SPI (208) Limited

        100

    Papua New Guinea

Tengizchevroil, LLP (5) 

          25

    Kazakhstan

Terminale GNL Adriatico S.r.l (5)    

          70.678 

    Italy

Thru Line O&G NM, L.L.C.

        100

    Texas

Trend Gathering & Treating, LLC

        100

    Texas

Wolverine Pipe Line Company

          53.39

    Delaware

XH, LLC

        100

    Delaware

XTO Energy Canada

          84.80

    Canada

XTO Energy Inc. 

        100

    Delaware

XTO Holdings, LLC

        100

    Delaware

(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.