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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
105132	Wd 40 Co	WDFC	Miscellaneous Chemical Products (2890)	951797918

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1508676	Maria Mitchell	1061 Cudahy Place San Diego CA 92110	Vp, Corporate Secretary	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2011-02-15	5,000	$27.27	13,519	No	4	M	Direct
Common Stock	Disposition	2011-02-15	5,000	$40.07	8,519	No	4	S	Direct
Common Stock	Acquisiton	2011-02-15	3,000	$29.30	11,519	No	4	M	Direct
Common Stock	Disposition	2011-02-15	1,602	$40.07	9,917	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-qualified Stock Option	Disposition	2011-02-15	5,000	$0.00	5,000	$27.27
Common Stock	Non-qualified Stock Option	Disposition	2011-02-15	3,000	$0.00	3,000	$29.30

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2008-10-18	2015-10-18	No	4	M	Direct
0	2006-09-23	2013-09-23	No	4	M	Direct

Footnotes

Transaction pursuant to trading plan adopted pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934.
Total includes 596 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account. Total also includes 4,769 Restricted Stock Units, all of which are subject to future vesting.
Not applicable.
In addition to the reported options, the reporting person holds options to acquire 11,160 shares as follows: 5,000 non-qualified stock options (NQSO) exercisable 10/17/09 at $35.99 exp. 10/17/16; and 6,160 NQSO exercisable 10/16/10 at $36.03 exp. 10/16/17.