Stock Trading History of Underdown Rodney L

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 Underdown Rodney L since year 2005. The trader's CIK number is 1273137. At the time of this reporting, Underdown Rodney L is the Vice President & CFO of Compass Minerals International Inc . (stock ticker symbol CMP). See this page for all insider trading activities at Compass Minerals International Inc .

Stock purchases, sales, and option exercises reported by insider *Underdown Rodney L* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-07-08	CMP	Compass Minerals International Inc	Sale	1,000	69.27	69,270
2008-06-10	CMP	Compass Minerals International Inc	Sale	1,000	80.44	80,440
2008-05-13	CMP	Compass Minerals International Inc	Sale	1,000	68.99	68,990
2008-04-08	CMP	Compass Minerals International Inc	Sale	1,000	66.51	66,510
2008-03-11	CMP	Compass Minerals International Inc	Sale	1,000	56.04	56,040
2007-02-14	CMP	Compass Minerals International Inc	Sale	13,000	34.52	448,708
2006-03-10	CMP	Compass Minerals International Inc	Option Exercise	9,649	1.40	13,508
2006-03-10	CMP	Compass Minerals International Inc	Sale	9,649	25.37	244,831
2006-02-21	CMP	Compass Minerals International Inc	Option Exercise	10,000	1.40	14,000
2006-02-21	CMP	Compass Minerals International Inc	Sale	10,000	25.05	250,458

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 Underdown Rodney L (Vice President & CFO of Compass Minerals International Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.