WD 40 CO — Director's Dealing 2007

May 4, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WD 40 CO (WDFC)
CIK: 0000105132
Period of Report: 2007-05-03

Reporting Person: RIDGE GARRY O (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-03	Common Stock	M	2400	$20.813	Acquired	13331	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-03	Non-Qualifed Stock Option	$20.813	M	2400	Disposed	2010-09-27	Common Stock (2400)	Direct

Footnotes

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

F2: Total includes 971 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: Non Qualified Stock Option (NQSO) 5660 shares exercisable 09/28/00 at $23.50 exp. 09/28/09; NQSO 37600 shares exercisable 09/26/01 at $20.813 exp. 09/26/10; NQSO 30000 shares (10200 shares exercisable 09/24/03; 9900 shares exercisable 09/24/04, 9900 shares exercisable 09/24/05) at $27.56 exp. 09/24/12; NQSO 30000 shares (10200 shares exercisable 09/23/04; 9900 shares exercisable 09/23/05, 9900 shares exercisable 09/23/06) at $29.30 exp. 09/23/13; NQSO 12000 shares (4080 exercisable 10/19/05, 3960 exercisable 10/19/06, 3960 exercisable 10/19/07) at $27.67 exp. 10/19/14;

F4: In addition to the securities beneficially owned listed in footnote 2, NQSO 24000 shares (8160 exercisable 10/18/06, 7920 exercisable 10/18/07, 7920 exercisable 10/18/08) at $27.27 exp. 10/18/15; NQSO 35000 shares (11900 exercisable 10/17/07, 11550 exercisable 10/17/08, 11550 exercisable, 10/17/09) at $35.99 exp. 18/17/16.