X0303 4 2008-11-18 0 0000003982 Allis Chalmers Energy Inc. ALY 0001373190 Bulgheroni Alejandro Pedro 5075 WESTHEIMER, #890 HOUSTON TX 77056 1 0 0 0 Common Stock 2008-11-18 4 P 0 30100 5.0854 A 1730100 I By Associated Petroleum Investors Ltd. Common Stock 2008-11-19 4 P 0 99000 5.3074 A 1829100 I By Associated Petroleum Investors Ltd. Common Stock 1000000 I By Global Oilfield Holdings Limited Common Stock 7000 D Represents the average price of Reporting Person's acquisition of 30,100 shares in 25 separate transactions ranging from $4.9800 to $5.2400 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. Represents the average price of the Reporting Person's acquisition of 99,000 shares in 30 separate transactions ranging from $5.17 to $5.4130 per share. The Issuer understakes 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 Reporting Person is Chairman and President of each 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. /s/ Theodore F. Pound III through POA 2008-11-19