Exhibit 21.1

SUBSIDIARIES OF THE COMPANY

COSTCO WHOLESALE

CORPORATION SUBSIDIARIES

 

Subsidiaries		State or Other Jurisdiction of Incorporation  or Organization		Name under Which Subsidiary Does Business
Costco Canada Holdings Inc.		Canadian Federal		Costco Canada Holdings Inc.
Costco Wholesale Membership, Inc.		California		Costco Wholesale Membership, Inc.
Costco Wholesale United Kingdom Ltd.		United Kingdom		Costco Wholesale United Kingdom Ltd.
Costco Wholesale Canada Ltd.		Canadian Federal		Costco Wholesale Canada, Ltd., Costco Wholesale
NW Re Ltd.		Arizona		NW Re Ltd.
PriceCostco International, Inc.		Nevada		PriceCostco International, Inc.
Costco Wholesale Korea, Ltd.		Korea		Costco Wholesale Korea, Ltd.
Costco de Mexico, S.A. de C.V.		Mexico		Costco de Mexico, S.A. de C.V.