EXHIBIT 21 SUBSIDIARIES OF THE COMPANY Name Jurisdiction of Incorporation - ----------------------------- ----------------------------- Kulicke and Soffa AG Switzerland Kulicke and Soffa (Asia) Ltd. Hong Kong Kulicke and Soffa (Japan) Ltd. Japan and Delaware Kulicke and Soffa (Israel) Ltd. Israel Kulicke and Soffa Investments, Inc. Delaware Micro Swiss Ltd. Israel Kulicke and Soffa Leasing, Inc. Delaware Kulicke & Soffa Singapore Inc. Delaware Kulicke & Soffa Export Inc. Barbados Circle "S" Industries, Inc. Alabama American Fine Wire Corporation Alabama American Fine Wire Ltd. Cayman Islands Mueller Feindraht, AG Switzerland Certain subsidiaries are omitted; however, such subsidiaries, even if combined into one subsidiary, would not constitute a "significant subsidiary" within the meaning of Regulation S-X.