Allis-Chalmers Extends Exchange Offer

Allis-Chalmers Energy Inc. on Thursday announced that it has extended the expiration of the exchange offer relating to its 9.0% Senior Notes due 2014 to 5 p.m. (New York City time) on January 5, 2007.

Allis-Chalmers Energy Inc., is a Houston based multi-faceted oilfield services company that provides services and equipment to oil and natural gas exploration and production companies throughout the United States, including Texas, Louisiana, New Mexico, Colorado, Oklahoma, Mississippi, Utah, Wyoming, the Gulf of Mexico, and internationally primarily in Argentina and Mexico.