Stock Trading History of Pardue Howell 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 Pardue Howell W since year 2005. The trader's CIK number is 1210299. At the time of this reporting, Pardue Howell W is the Executive Vice President of Dawson Geophysical Co . (stock ticker symbol DWSN). See this page for all insider trading activities at Dawson Geophysical Co .

Stock purchases, sales, and option exercises reported by insider *Pardue Howell W* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-08-11	DWSN	Dawson Geophysical Co	Sale	5,000	61.06	305,302
2008-08-11	DWSN	Dawson Geophysical Co	Option Exercise	5,000	7.06	35,300
2007-05-18	DWSN	Dawson Geophysical Co	Sale	20,000	52.74	1,054,764
2007-01-05	DWSN	Dawson Geophysical Co	Sale	12,500	33.29	416,063
2007-01-05	DWSN	Dawson Geophysical Co	Option Exercise	12,500	6.31	78,853

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 Pardue Howell W (Executive Vice President of Dawson Geophysical Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.