X0306 4 2013-09-20 0 0000105132 WD 40 CO WDFC 0001213639 REMBOLT JAY 1061 CUDAHY PLACE SAN DIEGO CA 92110 0 1 0 0 Vice President Finance & CFO Common Stock 2013-09-20 4 M 0 1898 27.67 A 26916.985 D Common Stock 2013-09-20 4 S 0 1229 64.00 D 25687.985 D Non-qualified Stock Option 27.67 2013-09-20 4 M 0 1898 D 2007-10-19 2014-10-19 Common Stock 1898 1000 D Transaction pursuant to trading plan adopted pursuant to Rule 10b5-1 under Securities Exchange Act of 1934. Total includes 5,864.985 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account. Total also includes 2,800 Restricted Stock Units, all of which are subject to future vesting, 2,147 Performance Share Units, all of which are subject to future vesting, and 1,327 Market Share Units, all of which are subject to future vesting. Not applicable. In addition to the reported options, the reporting person holds options to acquire 16,160 common shares as follows: 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). Jay Rembolt 2013-09-23