WD 40 CO — Director's Dealing 2010

Jul 29, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WD 40 CO (WDFC)
CIK: 0000105132
Period of Report: 2010-07-27

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-07-27	Common Stock	M	3000	$27.27	Acquired	16989	Direct
2010-07-27	Common Stock	S	3000	$37.06	Disposed	13989	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-07-27	Non-qualified Stock Option	$27.27	M	3000	Disposed	2015-10-18	Common Stock (3000)	Direct

Footnotes

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

F2: Total includes 9,036 Restricted Stock Units and 2,400 Performance Share Units.

F3: Not applicable.

F4: In addition to the reported options, the reporting person holds options to acquire 45,200 common shares as follows: 5,200 non-qualified stock options (NQSO) exercisable 10/19/07 at $27.67 exp. 10/19/14; 10,000 NQSO exercisable 09/23/06 at $29.30 exp. 09/24/13; 10,000 NQSO exercisable 10/17/09 at $35.99 exp. 10/17/16; and 20,000 NQSO (6,800 exercisable 10/16/08, 6,600 exercisable 10/16/09, 6,600 exercisable 10/16/10) at $36.03 exp. 10/16/17.