Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

The Registrant has the following wholly-owned subsidiaries which, except as indicated, do business under their respective legal names:

Name	Place of Incorporation
WD-40 Manufacturing Company	California, USA
WD-40 Company (Canada) Ltd.	Ontario, Canada
WD-40 Holdings Limited	London, England
WD-40 Company Limited	London, England
WD-40 Company (Australia) Pty. Limited	New South Wales, Australia
HPD Holdings Corp.	Delaware, USA
HPD Laboratories, Inc., (doing business as Global Household Brands)	Delaware, USA
HPD Properties, LLC	Delaware, USA
Heartland Corporation	Kansas, USA
Shanghai Wu Di Trading Company Limited	Shanghai, China
WD-40 Direct, LLC	Delaware, USA