Stock Trading History of Nederlander Robert E Et Al

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 Nederlander Robert E Et Al since year 2005. The trader's CIK number is 1141105. At the time of this reporting, Nederlander Robert E Et Al is the Director 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 *Nederlander Robert E Et Al* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-14	ALY	Allis Chalmers Energy Inc.	Sale	85,942	18.03	1,549,657
2008-05-12	ALY	Allis Chalmers Energy Inc.	Sale	14,058	18.02	253,325
2007-08-27	ALY	Allis Chalmers Energy Inc.	Sale	27,362	20.34	556,543
2007-08-27	ALY	Allis Chalmers Energy Inc.	Sale	7,100	20.47	145,352
2007-08-30	ALY	Allis Chalmers Energy Inc.	Sale	9,100	20.19	183,710
2007-08-29	ALY	Allis Chalmers Energy Inc.	Sale	11,800	20.00	236,000
2007-08-28	ALY	Allis Chalmers Energy Inc.	Sale	8,500	20.04	170,371
2006-11-29	ALY	Allis Chalmers Energy Inc.	Sale	4,000	18.50	74,000

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 Nederlander Robert E Et Al (Director of Allis Chalmers Energy Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.