Stock Trading History of Irwin Michael J

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Irwin Michael J since year 2005. The trader's CIK number is 1191648. At the time of this reporting, Irwin Michael J is the Executive Vice President/CFO of Wd 40 Co (stock ticker symbol WDFC).

Stock purchases, sales, and option exercises reported by *Irwin Michael J* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-01-15	WDFC	Wd 40 Co	Purchase	1,000	32.42	32,424
2007-08-07	WDFC	Wd 40 Co	Sale	19,804	35.51	703,197
2007-08-07	WDFC	Wd 40 Co	Option Exercise	19,804	19.45	385,158
2007-07-09	WDFC	Wd 40 Co	Sale	11,013	35.50	390,961
2007-07-09	WDFC	Wd 40 Co	Option Exercise	11,013	26.10	287,487
2007-04-25	WDFC	Wd 40 Co	Sale	5,967	35.50	211,828
2007-04-25	WDFC	Wd 40 Co	Option Exercise	5,967	26.10	155,764
2006-02-08	WDFC	Wd 40 Co	Sale	2,400	30.22	72,530
2006-02-08	WDFC	Wd 40 Co	Option Exercise	2,400	23.00	55,200

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Irwin Michael J (Executive Vice President/CFO of Wd 40 Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.