Allis-Chalmers Extends Exchange Offer



Allis-Chalmers Energy Inc. on Friday said that it has extended the expiration of the exchange offer relating to its 9.0% Senior Notes due 2014 to 5:00 p.m. (New York City time) on November 22, 2006, pending dissemination of financial information relating to its recently completed acquisition of Petro-Rentals, Incorporated, and its recently announced pending acquisition of all the assets of Oil & Gas Rental Services, Inc.
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