X0303 4/A 2008-11-20 2008-11-21 0 0000003982 Allis Chalmers Energy Inc. ALY 0001373190 Bulgheroni Alejandro Pedro 5075 WESTHEIMER, #890 HOUSTON TX 77056 1 0 0 0 Common Stock 2008-11-20 4 P 0 100600 4.6705 A 1929700 I By Associated Petroleum Investors Ltd. Represents the average price of the Reporting Person's acquisition of 100,600 shares in 63 separate transactions ranging from $4.4900 to $5.1100 per share. The Issuer undertakes to provide upon request by the SEC staff, or a security holder of the Issuer, full information regarding the number of shares purchased or sold at each separate price. The sole purpose of this amendment is to correct the amount of shares shown as beneficially owned in the Reporting Person's Form 4 filed on November 21, 2008. The Reporting Person is Chairman and President of each of Associated Petroleum Investors Ltd. and Global Oilfield Holdings Limited. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for the purposes of Section 16 or for any other purpose. Theodore F. Pound III through POA 2008-11-21