SAN ANTONIO, TEXAS – August 31, 2005 – Pioneer Drilling Company (AMEX:PDC)www.pioneerdrlg.com. announced today that the Company will be presenting at the Lehman Brothers CEO Energy/Power Conference to be held at the Waldorf Astoria in New York City September 6 - 8, 2005.

Stacy Locke, Pioneer Drilling’s President and Chief Executive Officer, is scheduled to present on Thursday, September 8, 2005, at 9:45 a.m. eastern time. The presentation will be broadcast live over the Internet and the webcast link can be accessed live and for replay by visiting the Company’s website at

Pioneer Drilling provides land contract drilling services to independent and major oil and gas operators drilling wells in North, East and South Texas, Western Oklahoma and in the Rocky Mountain region. Its fleet consists of 51 land drilling rigs that drill in depth ranges between 6,000 and 18,000 feet.