EXHIBIT 21 SUBSIDIARIES OF OLIN CORPORATION -------------------------------- (as of December 31, 1996) PERCENTAGE OF DIRECT/ JURISDICTION INDIRECT OWNERSHIP WHERE BY OLIN OF VOTING SUBSIDIARY ORGANIZED SECURITIES - ---------- ------------ --------------------- A.J. Oster Caribe, Inc. Delaware 100% A.J. Oster Company Rhode Island 100% A.J. Oster Foils, Inc. Delaware 100% A.J. Oster West, Inc. Rhode Island 100% Bridgeport Brass Corp. (1) Indiana 100% Bryan Metals, Inc. (2) Ohio 100% Doe Run Gas Transmission Company Kentucky 100% Etoxyl, C.A. Venezuela 100% Hydrochim, S.A. France 100% N.V. Olin Hunt Specialty Products Belgium 100% N.V. Olin Hunt Trading Belgium 100% Olin Microelectronic Chemicals, Inc. Delaware 100% Olin Microelectronic Materials Limited United Kingdom 100% Olin Australia Limited Australia 100% Olin Brasil Ltda. Brazil 100% Olin Canada Inc. Canada 100% Olin Chemicals B.V. Netherlands 100% Olin Corporation N.Z. Limited New Zealand 100% Olin Electronic Chemicals, Inc. Pennsylvania 100% Olin Engineered Systems, Inc. Delaware 100% Olin Export Trading Corporation Virgin Islands 100% Olin Financial Services, Inc. Delaware 100% Olin GmbH Germany 100% Olin Hunt Specialty Products, Inc. Delaware 100% Olin Hunt Sub. I Corp. Delaware 100% Olin Industrial (Hong Kong) Limited Hong Kong 100% Olin Japan, Inc. Japan 100% Olin Kimya, A.S. Turkey 75% Olin Mexico, S.A. de C.V. Mexico 100% Olin Microelectronic Materials AG Switzerland 100% Olin Microelectronic Materials N.V. Belgium 100% Olin Microelectronic Materials S.A. France 100% Olin Pte. Ltd. Singapore 100% Olin Quimica S.A. Delaware 100% Olin S.A. France 100% Olin S.r.l. Italy 100% Olin Sunbelt, Inc. Delaware 100% Olin (U.K.) Limited United Kingdom 100% Superior Pool Products, Inc. Delaware 100% There are omitted from the foregoing list the names of certain subsidiaries which, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. Subsidiaries which were transferred to Primex Technologies, Inc. in the spinoff are also not included. - ------ 1. d/b/a "Olin Brass, Indianapolis" and "Olin Brass, Indianapolis Facility" in States of CA, IL, IN, NJ, NC, OH, PA, RI and TX. 2. d/b/a "Bryan Metals of Ohio" in NJ. EX21.