Stock Trading History of Le Duy Loan T

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 Le Duy Loan T since year 2005. The trader's CIK number is 1192886. At the time of this reporting, Le Duy Loan T is the Director of National Instruments Corp /de/ . (stock ticker symbol NATI). See this page for all insider trading activities at National Instruments Corp /de/ .

Stock purchases, sales, and option exercises reported by insider *Le Duy Loan T* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)
2008-05-01	NATI	National Instruments Corp /de/	Option Exercise	5,001	.00
2007-05-01	NATI	National Instruments Corp /de/	Option Exercise	3,334	.00
2006-05-01	NATI	National Instruments Corp /de/	Option Exercise	1,667	.00

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 Le Duy Loan T (Director of National Instruments Corp /de/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.