WD 40 CO — Director's Dealing 2007

Jul 12, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WD 40 CO (WDFC)
CIK: 0000105132
Period of Report: 2007-07-09

Reporting Person: IRWIN MICHAEL J (Executive Vice President/CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-07-09	Common Stock	M	4700	$31.75	Acquired	9781	Direct
2007-07-09	Common Stock	S	4700	$35.5	Disposed	5081	Direct
2007-07-09	Common Stock	M	433	$23.063	Acquired	5514	Direct
2007-07-09	Common Stock	S	433	$35.5	Disposed	5081	Direct
2007-07-09	Common Stock	M	5880	$23.5	Acquired	10961	Direct
2007-07-09	Common Stock	S	5880	$35.5	Disposed	5081	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-07-09	Incentive Stock Option	$31.75	M	4700	Disposed	2007-09-22	Common Stock (4700)	Direct
2007-07-09	Incentive Stock Option	$23.063	M	433	Disposed	2008-09-29	Common Stock (433)	Direct
2007-07-09	Non Qualified Stock Option	$23.5	M	5880	Disposed	2009-09-29	Common Stock (5880)	Direct

Footnotes

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

F2: Total includes 681 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account; estimated number of shares based upon equivalent value of units held.

F3: ISO 300 shares exercisable 09/22/98 at $31.75 exp. 09/22/07; ISO 5567 shares exercisable 09/29/99 at $23.063 exp. 09/29/08; ISO 120 shares exercisable 09/28/00 at $23.50 exp. 09/28/09; ISO 4804 shares exercisable 09/26/01 at $20.813 exp. 09/26/10; NQSO 15000 shares exercisable 04/27/02 at $18.084 exp. 04/27/11; NQSO 5181 shares exercisable 09/25/02 at $20.75 exp. 09/25/11; ISO 4819 shares exercisable 09/25/02 at $20.75 exp. 09/25/11; NQSO 10000 shares exercisable 09/24/03 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 9000 shares (3060 exercisable 10/19/05, 2970 exercisable 10/19/06, 2970 exercisable 10/19/07) at $27.67 exp. 10/19/14;

F4: In addition to the securities beneficially owned listed in footnote 2, 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).