WD 40 CO — Director's Dealing 2011

May 3, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WD 40 CO (WDFC)
CIK: 0000105132
Period of Report: 2011-04-29

Reporting Person: REMBOLT JAY (Vice President Finance & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-04-29	Common Stock	M	3496	$20.75	Acquired	22107.001	Direct
2011-04-29	Common Stock	S	2517	$41.445	Disposed	18611.001	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-04-29	Non-qualified Stock Option	$20.75	M	3496	Disposed	2011-09-25	Common Stock (3496)	Direct

Footnotes

F1: Total includes 5,557.001 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account. Total also includes 4,388 Restricted Stock Units and 4,800 Performance Share Units, all of which are subject to future vesting.

F2: Not applicable.

F3: In addition to the reported options, the reporting person holds options to acquire 32,664 common shares as follows: 1,504 ISO exercisable 9/25/04 at $20.75 exp. 9/25/11; 5,000 NQSO exercisable 9/24/05 at $27.56 exp. 9/24/12; 5,000 NQSO exercisable 9/23/06 at $29.30 exp. 9/23/13; 5,000 NQSO exercisable 10/19/07 at $27.67 exp. 10/19/14; 5,000 NQSO exercisable 10/18/08 at $27.27 exp. 10/18/15; 5,000 NQSO exercisable 10/17/09 at $35.99 exp. 10/17/16; and 6,160 NQSO at $36.03 exp. 10/16/17).