X0201 4 2003-09-03 0 0000105132 WD 40 CO WDFC 0001191649 RIDGE GARRY O 14634 VIA MONTEVERDE SAN DIEGO CA 92127 1 1 0 0 President & CEO Incentive Stock Option 2003-09-02 2003-09-03 4 M 0 275 21.188 A 11118 D Incentive Stock Option 2003-09-02 2003-09-03 4 S 0 275 30 D 10843 D Incentive Stock Option 21.188 2003-09-02 2003-09-03 4 M 0 275 0.0 D 1998-01-01 2005-09-25 Common Stock 275 162705 D Transaction pursuant to trading plan adopted pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934. Total includes 883 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account; estimated number of shares based upon equivalent value of units held. Incentive Stock Option (ISO) to buy 3,705 shares exercisable 01/01/98 at $21.188 expires 09/25/05; ISO to buy 7,000 shares exercisable 01/01/00 at $23.00 expires 09/23/06; ISO to buy 16,000 shares (2,222 shares exercisable 01/01/00, 3,149 shares exercisable 01/01/01, 3,149 shares exercisable 01/01/02, 3,149 shares exercisable 01/01/03, 3,149 shares exercisable 01/01/04, and1,182 shares exercisable 01/01/05) at $31.75 expires 09/22/07; Non Qualified Stock Option (NQSO) to buy 16,000 shares exercisable 09/29/99 at $23.06 expires 09/29/08; NQSO to buy 20,000 shares exercisable 09/28/00 at $23.50 expires 09/28/09; NQSO to buy 40,000 shares exercisable 09/26/01 at $20.813 expires 09/26/10; NQSO to buy 30,000 shares exercisable 09/25/02 at$20.75 expires 09/25/11; NQSO to buy 30,000 shares (10,000 shares exercisable 09/24/03; 10,000 shares exercisable 09/24/04, 10,000 shares exercisable 09/24/05) at $27.56 expires 09/24/12. Garry O. Ridge 2003-09-04