HOUSTON, Jan. 21 /PRNewswire-FirstCall/ -- Patterson-UTI Energy, Inc. (Nasdaq: PTEN) will hold its conference call to discuss fourth quarter results on Thursday, February 12, 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 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, February 26, 2009.

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

SOURCE Patterson-UTI Energy, Inc.