WD 40 CO — Director's Dealing 2007

Oct 19, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WD 40 CO (WDFC)
CIK: 0000105132
Period of Report: 2007-10-16

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-10-16	Non Qualified Stock Option	$36.03	A	17600	Acquired	2017-10-16	Common Stock (17600)	Direct

Footnotes

F1: 5984 exercisable 10/16/08, 5808 exercisable 10/16/09, 5808 exercisable 10/16/10.

F2: 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; 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;

F3: 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). NQSO 17600 shares (5984 exercisable 10/16/08, 5808 exercisable 10/16/09, 5808 exercisable 10/16/10) at $36.03 exp. 10/16/17. Correct as of last transaction on this form.