Stock Trading History of Dockhorn David 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 Dockhorn David W since year 2005. The trader's CIK number is 1297251. At the time of this reporting, Dockhorn David W is the EVP Global Clinical of Pra International (stock ticker symbol PRAI).

Stock purchases, sales, and option exercises reported by *Dockhorn David W* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-11-15	PRAI	Pra International	Sale	12,500	30.00	375,000
2006-11-10	PRAI	Pra International	Sale	12,100	30.00	363,000
2006-11-13	PRAI	Pra International	Sale	2,000	30.01	60,020
2006-11-14	PRAI	Pra International	Sale	24,500	30.00	735,000
2006-11-07	PRAI	Pra International	Sale	4,000	30.00	120,000
2006-10-30	PRAI	Pra International	Sale	7,500	30.23	226,741
2006-04-07	PRAI	Pra International	Sale	7,000	27.00	189,000
2006-03-13	PRAI	Pra International	Sale	26,000	27.56	716,599
2006-03-10	PRAI	Pra International	Sale	27,000	27.53	743,199
2005-06-20	PRAI	Pra International	Sale	35,000	23.50	822,500

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 Dockhorn David W (EVP Global Clinical of Pra International at the time of this reporting) see the Securities and Exchange Commission (SEC) website.