Stock Trading History of Hammond Mark N

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 Hammond Mark N since year 2005. The trader's CIK number is 1237850. At the time of this reporting, Hammond Mark N is the Director of Tvi Corp (stock ticker symbol TVIN).

Stock purchases, sales, and option exercises reported by *Hammond Mark N* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-12-04	TVIN	Tvi Corp	Purchase	500	.20	100
2007-12-05	TVIN	Tvi Corp	Purchase	4,500	.26	1,170
2007-08-13	TVIN	Tvi Corp	Purchase	25,000	.39	9,627
2007-07-18	TVIN	Tvi Corp	Option Exercise	50,000	.42	20,750
2007-05-14	TVIN	Tvi Corp	Option Exercise	50,000	.28	13,750
2007-05-14	TVIN	Tvi Corp	Purchase	20,000	.63	12,619
2006-03-08	TVIN	Tvi Corp	Option Exercise	50,000	.13	6,625

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 Hammond Mark N (Director of Tvi Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.