Allis-Chalmers Energy to Participate in the FBR Capital Markets 2009 Fall Investor Conference

Allis-Chalmers Energy Inc. (NYSE:ALY) today announced that it will be participating in the FBR Capital Markets 2009 Fall Investor Conference to be held December 1-2, 2009.

Victor M. Perez, Chief Financial Officer of Allis-Chalmers Energy, is scheduled to make a presentation on Tuesday, December 1, 2009, at approximately 10:00 am Eastern time. A live webcast of the presentation will be available by clicking the “webcast” link on the Conference website www.fbrcapitalmarkets.com/fall09. To view Allis-Chalmers’ slideshow, visit the Company’s website at http://www.alchenergy.com.

About Allis-Chalmers

Allis-Chalmers Energy Inc. is a Houston-based multi-faceted oilfield services company. Allis-Chalmers provides services and equipment to oil and natural gas exploration and production companies, domestically primarily in Texas, Louisiana, New Mexico, Oklahoma, Arkansas, offshore in the Gulf of Mexico, and internationally, primarily in Argentina, Brazil and Mexico. Allis-Chalmers provides directional drilling services, casing and tubing services, underbalanced drilling, production and workover services with coiled tubing units, rental of drill pipe and blow-out prevention equipment, and international drilling and workover services. For more information, visit Allis-Chalmers’ website at http://www.alchenergy.com or request future press releases via email at http://www.b2i.us/irpass.asp?BzID=1233&to=ea&s=0.