Allis-Chalmers Energy to Participate in the Sidoti & Company Emerging Growth Institutional Investor Forum

Allis-Chalmers Energy Inc. (NYSE: ALY) today announced that it will be participating in the Sidoti & Company Emerging Growth Institutional Investor Forum on Wednesday, March 24, 2010.

Victor M. Perez, Chief Financial Officer and Terry Keane, Senior Vice President – Oilfield Services of Allis-Chalmers Energy, are scheduled to make a presentation on Wednesday, March 24, 2010, at approximately 9:20 am Eastern time.

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, Arkansas, Pennsylvania, Oklahoma, New Mexico, offshore in the Gulf of Mexico, and internationally, primarily in Argentina, Brazil, Mexico and Bolivia. 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 our 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.