1 Exhibit 21 WESTERN DIGITAL CORPORATION SUBSIDIARIES OF THE COMPANY State or other Jurisdiction of Name Incorporation - ------- -------------------- Cameo Technologies, Inc. Delaware Connex, Inc. Delaware Keen Personal Media, Inc. Delaware Keen Technologies, Inc. Delaware Pacifica Insurance Corporation Hawaii SageTree, Inc. Delaware Western Digital Canada Corporation Canada Western Digital (Deutschland) GmbH Germany Western Digital (France) SARL France Western Digital Hong Kong Limited Hong Kong Western Digital Ireland, Ltd. Cayman Islands Western Digital (I.S.) Limited Ireland Western Digital Japan Ltd. Japan Western Digital (Malaysia) Sdn. Bhd. Malaysia Western Digital Netherlands B.V. Netherlands Western Digital (S.E. Asia) Pte Ltd. Singapore Western Digital (Singapore) Pte Ltd. Singapore Western Digital (Tuas-Singapore) Pte Ltd. Singapore Western Digital Taiwan Co., Ltd. Taiwan, ROC Western Digital (U.K.) Limited England Except for Connex, Inc. ("Connex") and SageTree, Inc. ("SageTree"), all of the above-named subsidiaries are 100% owned by Western Digital. Connex and SageTree are each majority owned by Western Digital.