HOUSTON, March 26, 2013/PRNewswire/ -- Patterson-UTI Energy, Inc. (NASDAQ: PTEN) will hold its conference call to discuss results for the first quarter ending March 31, 2013 on Thursday, April 25, 2013 at 9:00 a.m. Central Time.Participants can access the call by dialing (877) 556-5921 or (617) 597-5474 with the access code 64208937. The call will also be webcast and can be accessed through a link in the Investors section of the Company's website at www.patenergy.com. The webcast is also being distributed over the Thomson Reuters Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through Thomson Reuters' individual investor center at www.fulldisclosure.com. Institutional investors can access the call via Thomson Reuters' password-protected event management site, StreetEvents ( www.streetevents.com). 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, May 9, 2013.Patterson-UTI Energy, Inc. subsidiaries provide onshore contract drilling and pressure pumping services to exploration and production companies in North America. Patterson-UTI Drilling Company LLC and its subsidiaries have more than 300 marketable land-based drilling rigs and operate primarily in oil and natural gas producing regions in the continental United States, Alaska, and western and northern Canada. Universal Pressure Pumping, Inc. and Universal Well Services, Inc. provide pressure pumping services primarily in Texas and the Appalachian region.Contact: Mike Drickamer, Director, Investor Relations281.765.7170, email@example.com SOURCE Patterson-UTI Energy, Inc.