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EX-21.1 4 form-ex211x20221231x10k.htm EX-21.1 FORMFACTOR INC - List of Registrant's subsidiaries


EXHIBIT 21.1
LIST OF REGISTRANT'S SUBSIDIARIES
SUBSIDIARY NAMEJURISDICTION OF ORGANIZATION
FormFactor International, Inc.Delaware, United States
FormFactor, K.K.Japan
FormFactor Korea, Inc.South Korea
FormFactor Singapore Pte. Ltd.Singapore
Microprobe HongKong LimitedHong Kong
FormFactor Technology (Suzhou) Co. Ltd.People's Republic of China
FormFactor GmbHGermany
Cascade Microtech Singapore Pte, LtdSingapore
FormFactor International (Shanghai) Trading Co., Ltd.People's Republic of China
Advanced Temperature Test Systems GmbHGermany
FormFactor SASUFrance
FRT GmbHGermany
High Precision Devices, Inc.Colorado, United States