Pioneer Drilling Announces First Quarter 2011 Earnings Release and Conference Call Schedule

SAN ANTONIO, April 13, 2011 /PRNewswire/ -- Pioneer Drilling Company (NYSE Amex: PDC) announced today that it intends to release financial and operational results for the three months ended March 31, 2011, on Thursday, May 5, before the market opens. In conjunction with the upcoming release, Pioneer has scheduled a conference call for May 5 at 11:00 a.m. Eastern Time (10:00 a.m. Central Time).

                 Pioneer Drilling's First Quarter 2011 Earnings
  What:          Conference Call

  When:         Thursday, May 5, at 11:00 a.m. Eastern Time

                 Live via phone by dialing 480-629-9818 and asking for
                 the Pioneer Drilling call a few minutes prior to the
                 start time.  Or live over the Internet by logging on
  How:           to the web address below.

  Where:        http://www.pioneerdrlg.com/
                -------------------

For those who cannot listen to the live call, a telephone replay will be available through Thursday, May 12, 2011 by calling (303) 590-3030 and using the pass code 4432791#. A webcast replay will also be archived in the investor relations section of the Company's web site at http://www.pioneerdrlg.com/. For more information, please contact Donna Washburn at DRG&L at (713) 529-6600 or email dmw@drg-l.com.

About Pioneer Drilling Company

Pioneer Drilling Company provides contract land drilling services to independent and major oil and gas operators in Texas, Louisiana, Oklahoma, Kansas, the Rocky Mountain and Appalachian regions and internationally in Colombia through its Pioneer Drilling Services Division. The Company also provides well service rig, wireline and fishing and rental services to producers in the U.S. Gulf Coast, Mid-Continent, Rocky Mountain and Appalachian regions through its Pioneer Production Services Division. Its fleet consists of 71 land drilling rigs that drill at depths ranging from 6,000 to 25,000 feet, 75 well service rigs (70 550-horsepower rigs, four 600-horsepower rigs and one 400-horsepower rig), 98 wireline units, and fishing and rental tools.

  Contacts:  Lorne E. Phillips, CFO
             Pioneer Drilling Company
             (210) 828-7689

             Lisa Elliott / lelliott@drg-l.com
             Anne Pearson / apearson@drg-l.com
             DRG&L / (713) 529-6600

Pioneer Drilling Company

Web Site: http://www.pioneerdrlg.com/