Stock Trading History of Santa Richard A

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 Santa Richard A since year 2005. The trader's CIK number is 1186289. At the time of this reporting, Santa Richard A is the Vice President & CFO of Dynamic Materials Corp . (stock ticker symbol BOOM). See this page for all insider trading activities at Dynamic Materials Corp .

Stock purchases, sales, and option exercises reported by insider *Santa Richard A* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-08-05	BOOM	Dynamic Materials Corp	Option Exercise	15,000	4.87	73,050
2008-05-06	BOOM	Dynamic Materials Corp	Option Exercise	18,000	1.30	23,400
2007-11-28	BOOM	Dynamic Materials Corp	Sale	21,000	61.15	1,284,213
2007-01-03	BOOM	Dynamic Materials Corp	Option Exercise	30,000	1.30	39,000
2006-09-15	BOOM	Dynamic Materials Corp	Sale	40,000	35.04	1,401,800
2006-06-01	BOOM	Dynamic Materials Corp	Option Exercise	31,000	1.68	52,080
2005-03-30	BOOM	Dynamic Materials Corp	Sale	12,500	33.12	413,937

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 Santa Richard A (Vice President & CFO of Dynamic Materials Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.