Stock Trading History of Rettig Dwight W

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 Rettig Dwight W since year 2005. The trader's CIK number is 1228420. At the time of this reporting, Rettig Dwight W is the Vice Pres. & Gen. Counsel of National Oilwell Varco Inc . (stock ticker symbol NOI). See this page for all insider trading activities at National Oilwell Varco Inc .

Stock purchases, sales, and option exercises reported by insider *Rettig Dwight W* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-19	NOV	National Oilwell Varco Inc	Sale	50,000	78.36	3,918,240
2008-05-19	NOV	National Oilwell Varco Inc	Option Exercise	50,000	34.26	1,712,875
2008-05-09	NOV	National Oilwell Varco Inc	Sale	20,000	77.48	1,549,644
2008-05-09	NOV	National Oilwell Varco Inc	Option Exercise	20,000	18.80	376,000
2007-03-21	NOV	National Oilwell Varco Inc	Sale	10,000	77.29	772,855
2007-03-21	NOV	National Oilwell Varco Inc	Option Exercise	10,000	28.22	282,200
2007-02-23	NOV	National Oilwell Varco Inc	Sale	40,000	70.03	2,801,172
2007-02-23	NOV	National Oilwell Varco Inc	Option Exercise	40,000	28.65	1,146,133

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 Rettig Dwight W (Vice Pres. & Gen. Counsel of National Oilwell Varco Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.