Stock Trading History of Bryan David Keith

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 Bryan David Keith since year 2005. The trader's CIK number is 1317824. At the time of this reporting, Bryan David Keith is the Other of Allis Chalmers Energy Inc. . (stock ticker symbol ALY). See this page for all insider trading activities at Allis Chalmers Energy Inc. .

Stock purchases, sales, and option exercises reported by insider *Bryan David Keith* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-15	ALY	Allis Chalmers Energy Inc.	Option Exercise	20,000	4.87	97,400
2008-05-15	ALY	Allis Chalmers Energy Inc.	Sale	20,000	18.00	360,100
2007-05-21	ALY	Allis Chalmers Energy Inc.	Sale	35,000	18.72	655,025
2007-05-21	ALY	Allis Chalmers Energy Inc.	Option Exercise	35,000	3.30	115,675
2006-11-30	ALY	Allis Chalmers Energy Inc.	Option Exercise	15,000	2.75	41,250
2006-11-30	ALY	Allis Chalmers Energy Inc.	Sale	15,000	20.20	303,075
2006-11-15	ALY	Allis Chalmers Energy Inc.	Sale	12,000	18.51	222,097

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 Bryan David Keith (Other of Allis Chalmers Energy Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.