HOUSTON, June 23 /PRNewswire-FirstCall/ -- Patterson-UTI Energy, Inc. (Nasdaq: PTEN) will hold its conference call to discuss second quarter results on Thursday, July 30, 2009, at 10:00 a.m. Eastern Time (9:00 a.m. Central Time and 7:00 a.m. Pacific Time).

This call is being webcast and can be accessed through Patterson- UTI's web site at www.patenergy.com in the Investors section or at www.streetevents.com in the Individual Investor Center. Webcast participants should go to one of the web addresses above 10-15 minutes prior to the scheduled start time. Replay of the conference call webcast will be available at these sites through Thursday, August 13, 2009.

Patterson-UTI Energy, Inc. provides onshore contract drilling services to exploration and production companies in North America. The Company has approximately 350 marketable land-based drilling rigs that operate primarily in the oil and natural gas producing regions of Texas, New Mexico, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, Colorado, Arizona, Utah, Wyoming, Montana, North Dakota, South Dakota, Pennsylvania, West Virginia and western Canada. Patterson-UTI Energy, Inc. is also engaged in the businesses of pressure pumping services and drilling and completion fluid services.

Contact:

John E. Vollmer III, SVP & Chief Financial Officer

281.765.7100, investrelations@patenergy.com

SOURCE Patterson-UTI Energy, Inc.

Originally published by Patterson-UTI Energy, Inc..

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