EXHIBIT 21 SUBSIDIARIES OF TEKTRONIX, INC. Percentage of Voting Name of Subsidiary and Securities Owned by Jurisdiction in Which Organized Immediate Parent Tektronix Ges.m.b.H. (Austria) 100% Tektronix GmbH (Germany) 100 Tektronix Canada Inc. (Canada) 100 Tektronix Australia Pty. Limited (Australia) 100 Tektronix S.A.(France) 100 Tektronix N.V. (Belgium) 100 Tektronix, S.A. de C.V. (Mexico) 100 Tektronix A/S (Denmark) 100 Tektronix S.p.A. (Italy) 100 Tektronix Norge A/S (Norway) 100 Tektronix AB (Sweden) 100 Tektronix Oy (Finland) 100 Tektronix Industria e Comercio Ltda. (Brazil) 100 Tektronix Holland N.V. (The Netherlands) 100 Tektronix International A.G. (Switzerland) 100 Tektronix Europe B.V. (The Netherlands) 100 Tektronix U.K. Limited (United Kingdom) 100 Tektronix U.K. Development Centre Limited 100 (United Kingdom) Tektronix Espanola, S.A. (Spain) 100 GVG Japan, Ltd. (Japan) 100 Tektronix Foreign Sales Corporation (Guam) 100 Tektronix China, Limited (Hong Kong) 100 Tektronix Hong Kong Limited (Hong Kong) 100 Tektronix Electronics (China) Co., Ltd. (China) 100 Tektronix Taiwan, Ltd. (Taiwan) 100 Tektronix Southeast Asia Pte Ltd (Singapore) 100 Tektronix Engineering Development (India) Private 100 Limited (India) Tektronix Korea, Ltd. (Korea) 100 Tektronix Development Company (Oregon) 100 Tektronix International, Inc. (Oregon) 100 Tektronix Properties, Inc. (Oregon) 100 Tektronix Federal Systems, Inc. (Oregon) 100 Tektronix Asia, Ltd. (Oregon) 100 Tektronix Export, Inc.(Oregon) 100 - -------------------------------------------------------------------- Subsidiaries - Less than 100% Ownership (Parent Company/Oregon Corp. listed above): Yangzhong Tektronix Electronic Instrument Co., Ltd. 70 (China) Shanghai Tektronix Electronic Instrument Co., Ltd. 65 (China) Chongqing Tektronix Electronic Instrument Co., Ltd. 60 (China) Tektronix (India) Limited (India) 62 Sony/Tektronix Corporation (Japan) 50 MAXTEK Components Corporation 50