WD 40 CO — Director's Dealing 2013

May 20, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WD 40 CO (WDFC)
CIK: 0000105132
Period of Report: 2013-05-16

Reporting Person: BATEMAN GILES H (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-16	Common Stock	M	2000	$28.72	Acquired	10588	Direct
2013-05-16	Common Stock	S	1070	$56.83	Disposed	9518	Direct
2013-05-16	Common Stock	M	2000	$34.74	Acquired	11518	Direct
2013-05-16	Common Stock	S	1293	$56.83	Disposed	10225	Direct
2013-05-16	Common Stock	M	2500	$29.11	Acquired	12725	Direct
2013-05-16	Common Stock	S	1355	$56.83	Disposed	11370	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-16	Non-qualified Stock Option	$28.72	M	2000	Disposed	2013-09-23	Common Stock (2000)	Direct
2013-05-16	Non-qualified Stock Option	$34.74	M	2000	Disposed	2013-12-16	Common Stock (2000)	Direct
2013-05-16	Non-qualified Stock Option	$29.11	M	2500	Disposed	2014-12-14	Common Stock (2500)	Direct

Footnotes

F1: Transaction pursuant to trading plan adopted pursuant to Rule 10b5-1 under Securities Exchange Act of 1934.

F2: Total includes 6,888 Restrictred Stock Units, all of which are subject to future vesting.

F3: Not applicable.

F4: In addition to the reported options, the reporting person holds options to acquire 7,300 common shares as follows: 3,500 NQSO exercisable 12/13/2008 at $27.87, exp. 12/13/2015; 3,800 NQSO exercisable 12/12/2009 at $32.78, exp. 12/12/2016.