Stock Trading History of Crow M Chad

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 Crow M Chad since year 2005. The trader's CIK number is 1326953. At the time of this reporting, Crow M Chad is the VP Finance & Controller of Builders Firstsource, Inc. (stock ticker symbol BLDR).

Stock purchases, sales, and option exercises reported by *Crow M Chad* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-03-14	BLDR	Builders Firstsource, Inc.	Sale	2,942	16.50	48,543
2007-03-02	BLDR	Builders Firstsource, Inc.	Sale	17,000	17.77	302,090
2007-03-02	BLDR	Builders Firstsource, Inc.	Option Exercise	17,000	3.15	53,550
2006-03-13	BLDR	Builders Firstsource, Inc.	Sale	4,250	23.00	97,750
2006-03-13	BLDR	Builders Firstsource, Inc.	Option Exercise	4,250	3.15	13,387

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 Crow M Chad (VP Finance & Controller of Builders Firstsource, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.