EXHIBIT 21
SUBSIDIARIES OF ARCH CHEMICALS, INC.(1)
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(as of December 31, 2004)
SUBSIDIARY JURISDICTION PERCENTAGE OF
WHERE ORGANIZED DIRECT/INDIRECT
OWNERSHIP BY ARCH
OF VOTING
SECURITIES
Arch Acquisition, LLC Delaware 100%
Arch Asia Holdings, Ltd. Republic of Mauritius 100%
Arch Chemicals B.V. The Netherlands 100%
Arch Chemicals California Holdings, Inc. Delaware 100%
Arch Chemicals Canada, Inc. Canada 100%
Arch Chemicals Coatings Singapore Pte Ltd Singapore 100%
Arch Chemicals Far East, Limited Delaware 100%
Arch Chemicals GmbH Germany 100%
Arch Chemicals Holdings, Inc. Virginia 100%
Arch Chemicals (Hong Kong) Limited Hong Kong 100%
Arch Chemicals Japan, Inc. Japan 100%
Arch Chemicals Limited United Kingdom 100%
Arch Chemicals Receivables Corp. Delaware 100%
Arch Chemicals S.A. France 100%
Arch Chemicals Singapore Pte Ltd Singapore 100%
Arch Chemicals Specialty Products, Inc. Delaware 100%
Arch Chemicals S.R.L. Italy 100%
Arch Chemicals (Suzhou) Co., Ltd. People's Republic of China 100%
Arch Chemicals UK Holdings Limited United Kingdom 100%
Arch Coatings Espana, S.L. Spain 100%
Arch Coatings France SA France 100%
Arch Coatings Italia S.p.A. Italy 100%
Arch Color S.p.A. Italy 100%
Arch Electronic Chemicals, Inc. Pennsylvania 100%
Arch Export Trading Corporation Barbados 100%
Arch International Trading (Shanghai) Co., Ltd. People's Republic of China 100%
Arch Investments France S.A.S. France 100%
Arch Personal Care Products, L.P. New Jersey 100%
Arch Products Holdings, Inc. Virginia 100%
Arch Quimica Andina C.A. Venezuela 100%
Arch Quimica Argentina S.R.L. Argentina 100%
Arch Quimica Brasil Ltda. Brazil 100%
Arch Quimica Colombia S.A. Colombia 100%
Arch Quimica Uruguay S.A. Uruguay 100%
Arch Timber Protection AB Sweden 100%
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(1) There are omitted from the list the names of certain subsidiaries which, if
considered in the aggregate as a single subsidiary, would not constitute a
significant subsidiary.
Exhibit 21
SUBSIDIARY JURISDICTION PERCENTAGE OF
WHERE ORGANIZED DIRECT/INDIRECT
OWNERSHIP BY ARCH
OF VOTING
SECURITIES
Arch Timber Protection B.V. The Netherlands 100%
Arch Timber Protection NV/SA Belgium 100%
Arch Treatment Technologies, Inc. Virginia 100%
Arch UK Biocides Limited United Kingdom 100%
Arch Water Products France S.A.S. France 100%
Arch Water Products South Africa (Proprietary) Limited South Africa 100%
Arch Wood Protection Canada Corp. Canada 100%
Arch Wood Protection, Inc. Delaware 100%
Doe Run Gas Marketing Company Kentucky 100%
Doe Run Gas Transmission Company Kentucky 100%
Hickson Finance, Inc. Delaware 100%
Hickson Insurance Limited United Kingdom 100%
Hickson International Limited United Kingdom 100%
Hickson Investments Limited United Kingdom 100%
Hickson Limited United Kingdom 100%
Hickson Nederland BV The Netherlands 100%
Hickson (USA) Corp. Delaware 100%
Hydromen Espana, S.L. Spain 100%
Inversiones Hickson Chile SA Chile 100%