EX-21 11 ex21.txt EXHIBIT 21 SUBSIDIARIES OF THE COMPANY --------------------------- DECEMBER 31, 2003 ----------------- State or Country Name of Incorporation ------------------------------------------------- ----------------------- United States ------------- A H Investments LTD. Delaware Ayerst-Wyeth Pharmaceuticals Incorporated Delaware CICL Corporation Delaware Genetics Institute, LLC Delaware MDP Holdings, Inc. Delaware Route 24 Holdings, Inc. Delaware Wyeth Pharmaceuticals, Inc. Delaware Scientific Protein Laboratories Inc. (1) Illinois Wyeth Holdings Corporation Maine Wyeth-Ayerst International Inc. New York Wyeth-Ayerst Lederle, Inc. Puerto Rico Wyeth-Whitehall Pharmaceuticals, Inc. Puerto Rico Wyeth Pharmaceuticals Company, Inc. Puerto Rico Berdan Insurance Company Vermont Foreign ------- Wyeth Australia Pty. Limited Australia Laboratorios Wyeth-Whitehall Ltda. Brazil Wyeth Canada (2) Canada John Wyeth & Brother Limited England Wyeth-Lederle France Wyeth-Pharma GmbH Germany AHP Finance Ireland Limited Ireland Wyeth Lederle S.p.A. Italy Wyeth KK Japan Wyeth S.A. de C.V. Mexico AHP Manufacturing B.V. Netherlands Wyeth Philippines, Inc. Philippines Wyeth Nutritionals (Singapore) Pte. Ltd. Singapore Wyeth Farma S.A. Spain Wyeth Lederle Nordiska A.B. Sweden Dimminaco AG Switzerland Wyeth Taiwan Corporation Taiwan (1) The operating assets of Scientific Protein Laboratories Inc. were sold to Arsenal Capital Partners on February 9, 2004. (2) Wyeth Canada is a partnership between two affiliates of the Company. There have been omitted from the above list the names of the subsidiaries which, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary.