1 Exhibit 21 SUBSIDIARIES OF APPLIED MATERIALS, INC. State or Country of Incorporation Subsidiaries of Applied Materials, Inc. or Organization - --------------------------------------------------------------------------- -------------------------- Applied Materials Japan, Inc. Japan Applied Materials Europe BV (1) Netherlands Applied Materials International BV Netherlands Applied Acquisition Subsidiary California Applied Materials International, Inc. California Applied Materials (Holdings) (2) California Applied Materials Asia-Pacific, Ltd. (3) Delaware Applied Materials Israel, Ltd. Israel Opal, Inc. (4) Delaware Orbot Instruments, Ltd. (5) Israel - --------------------------------------------------------------------------- -------------------------- (1) Applied Materials Europe BV owns the following subsidiaries: Applied Materials GmbH Germany Applied Materials France SARL France Applied Materials Ltd. England Applied Materials Ireland Ltd. Ireland Applied Materials Sweden AB Sweden Applied Materials Israel Services (1994) Ltd. Israel Applied Materials Srl. Italy - --------------------------------------------------------------------------- -------------------------- (2) Applied Materials (Holdings) owns the following subsidiary: Applied Implant Technology, Ltd. California - --------------------------------------------------------------------------- -------------------------- (3) Applied Materials Asia-Pacific, Ltd. owns the following subsidiaries:. Applied Materials Korea, Ltd. Korea Applied Materials Taiwan, Ltd. Taiwan Applied Materials South East Asia Pte., Ltd. Singapore Applied Materials China, Ltd. Hong Kong AMAT (Thailand) Limited Thailand - --------------------------------------------------------------------------- -------------------------- (4) Opal, Inc. owns the following subsidiaries: Opal Technologies Ltd. Israel ICT Integrated Circuit Testing GmbH* Germany - --------------------------------------------------------------------------- -------------------------- (5) Orbot Instruments, Ltd. owns the following subsidiaries: Orbot Instruments, Inc. Delaware Orbot Instruments Europe, S.A. Belgium Orbot Instruments Pacific, Ltd. Hong Kong - --------------------------------------------------------------------------- -------------------------- 50-50 joint venture between Applied Materials, Inc. and Komatsu Ltd.: Applied Komatsu Technology, Inc. Japan * Wholly-owned subsidiary of Opal Technologies Ltd.