EXHIBIT 21 SUBSIDIARIES OF OLIN CORPORATION/1/ (as of December 31, 1997) JURISDICTION PERCENTAGE OF DIRECT/ WHERE INDIRECT OWNERSHIP BY SUBSIDIARY ORGANIZED OLIN OF VOTING - ---------- --------- SECURITIES ---------- Aegis, Inc. Massachusetts 100% A.J. Oster Caribe, Inc. Delaware 100% A.J. Oster Foils, Inc. Delaware 100% A.J. Oster West, Inc. Rhode Island 100% Bridgeport Brass Corporation/2/ Indiana 100% Bryan Metals, Inc./3/ Ohio 100% Doe Run Gas Transmission Company Kentucky 100% Etoxyl, C.A. Venezuela 100% Hydromen Espana, S.L. Spain 100% Hydrochim, S.A. France 100% Nutmeg Insurance Limited Bermuda 100% N.V. Olin Hunt Specialty Products Belgium 100% N.V. Olin Hunt Trading Belgium 100% Olin-Asahi Interconnect Technologies Delaware 100% Olin Australia Limited Australia 100% Olin Benefits Management, Inc./4/ California 80% Olin Brasil Ltda. Brazil 100% Olin Brass and Winchester, Inc. Rhode Island 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 Environmental Management, Inc./4/ Delaware 80% 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 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% ____________________ /1/There are omitted from the following list the names of certain subsidiaries which, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. /2/d/b/a "Olin Brass, Indianapolis" and "Olin Brass, Indianapolis Facility" in CA, IL, IN, NJ, NC, OH, PA , RI and TX. /3/d/b/a/ "Bryan Metals of Ohio" in NJ. /4/Class A shares, all of which are held directly and indirectly by Olin Corporation, have the right to elect 4 directors. Class B shares, none of which are held directly or indirectly by Olin Corporation, have the right to elect 1 director. EX21. JURISDICTION PERCENTAGE OF DIRECT/ WHERE INDIRECT OWNERSHIP BY SUBSIDIARY ORGANIZED OLIN OF VOTING - ---------- --------- SECURITIES ---------- Olin Microelectronic Chemicals, Inc. Delaware 100% Olin Microelectronic Materials AG Switzerland 100% Olin Microelectronic Materials GmbH Germany 100% Olin Microelectronic Materials Limited United Kingdom 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%