WD 40 CO — Director's Dealing 2007

May 8, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WD 40 CO (WDFC)
CIK: 0000105132
Period of Report: 2007-05-07

Reporting Person: NOBLE WILLIAM B (Managing Director, Europe)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-07	Common Stock	M	6000	$31.75	Acquired	7200	Direct
2007-05-07	Common Stock	S	6000	$34.5300	Disposed	1200	Direct
2007-05-07	Common Stock	M	5000	$23.50	Acquired	6200	Direct
2007-05-07	Common Stock	S	5000	$34.28	Disposed	1200	Direct
2007-05-07	Common Stock	M	10000	$20.8130	Acquired	11200	Direct
2007-05-07	Common Stock	S	10000	$34.157	Disposed	1200	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-07	Incentive Stock Option	$31.75	M	6000	Disposed	2007-09-22	Common Stock (6000)	Direct
2007-05-07	Non-qualified Stock Option	$23.50	M	5000	Disposed	2009-09-28	Common Stock (5000)	Direct
2007-05-07	Non-qualified Stock Option	$20.8130	M	10000	Disposed	2010-09-26	Common Stock (10000)	Direct

Footnotes

F1: This Footnote reflects number of derivative securities held as of last transaction of this Form 4. Non Qualified Stock Option (NQSO) 5000 shares exercisable 09/28/00 at $23.50 exp. 09/28/09; NQSO 5000 shares exercisable 09/26/01 at $20.813 exp. 09/26/10; NQSO 100 shares exercisable 09/25/02 at $20.75 exp. 09/26/11; NQSO 10000 shares exercisable 9/24/03 at $27.56 exp. 09/24/12; NQSO 10000 shares (3400 exercisable 09/23/04; 3300 exercisable 09/23/05; 3300 exercisable 09/23/06) at $29.30 exp. 09/24/13; NQSO 10000 shares (3400 exercisable 10/19/05; 3300 exercisable 10/19/06; 3300 exercisable 10/19/07) at $27.67 exp. 10/19/14; NQSO 9000 shares (3060 exercisable 10/18/06; 2970 exercisable 10/18/07; 2970 exercisable 10/18/08) at $27.27 exp. 10/18/15.NQSO 10000 shares (3400 exercisable 10/17/07, 3300 exercisable 10/17/08, 3300 exercisable 10/17/09) at $35.99.