CALGARY, ALBERTA and HOUSTON, TEXAS--(Marketwire - Sept. 30, 2008) - Precision Drilling Trust ("Precision"), (TSX:PD.UN) (NYSE:PDS) and Grey Wolf, Inc. ("Grey Wolf"), (AMEX:GW) announced today that the Federal Trade Commission has completed its review of the proposed acquisition by Precision of Grey Wolf and has granted early termination of the Hart-Scott-Rodino ("HSR") waiting period, effective September 26, 2008.

Termination of the HSR waiting period satisfies one of the conditions to completion of the merger between Precision and Grey Wolf. Completion of the merger is also subject to approval of the merger agreement by Grey Wolf shareholders, receipt of other regulatory approvals and satisfaction of other closing conditions set forth in the merger agreement.

About Precision

Precision is a leading provider of safe, high performance energy services to the North American oil and gas industry. Precision provides customers with access to an extensive fleet of contract drilling rigs, service rigs, camps, snubbing units, wastewater treatment units and rental equipment backed by a comprehensive mix of technical support services and skilled, experienced personnel. Precision is headquartered in Calgary, Alberta, Canada. Precision is listed on the Toronto Stock Exchange under the trading symbol "PD.UN" and on the New York Stock Exchange under the trading symbol "PDS". For more information about Precision, go to http://www.precisiondrilling.com.

About Grey Wolf

Grey Wolf is a leading provider of turnkey and contract oil and gas land drilling services in the United States. Grey Wolf operates from divisions in South Texas, Gulf Coast, Ark-La-Tex, Mississippi/Alabama, Mid-Continent, Rocky Mountain regions, and Mexico. Grey Wolf is headquartered in Houston, Texas, USA. Grey Wolf, Inc. is listed on the American Stock Exchange under the trading symbol "GW". For more information about Grey Wolf, go to http://www.gwdrilling.com.

Additional Information and Where to Find It

In connection with the proposed merger, Precision has filed a registration statement, which includes a proxy statement of Grey Wolf with the Securities and Exchange Commission. INVESTORS AND SECURITY HOLDERS OF GREY WOLF ARE URGED TO CAREFULLY READ IN THEIR ENTIRETY THE REGISTRATION STATEMENT, THE PROXY STATEMENT/PROSPECTUS AND OTHER MATERIALS REGARDING THE PROPOSED TRANSACTION WHEN THEY BECOME AVAILABLE, BECAUSE THEY CONTAIN IMPORTANT INFORMATION ABOUT GREY WOLF, PRECISION, PRECISION LOBOS CORPORATION, A WHOLLY-OWNED SUBSIDIARY OF PRECISION CREATED AS A SPECIAL PURPOSE VEHICLE, AND THE PROPOSED MERGER.