EXHIBIT 21
Subsidiaries of the Registrant (1), (2) and (3)
AT DECEMBER 31, 1999
1
2
3
4
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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.
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(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.
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(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.
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