MAY 23, 2007 – SAN ANTONIO, TEXAS – Pioneer Drilling Company (AMEX: PDC) today announced that William D. Hibbetts, Senior Vice President and Chief Financial Officer, will be participating in the Deutsche Bank Securities Energy and Utilities Conference to be held in Miami, Florida on May 30 & 31, 2007.

The Company's presentation at the conference will be webcast live with an accompanying slideshow on Thursday, May 31 at approximately 7:30 a.m. Eastern Time. To listen to the live audio webcast and view Pioneer Drilling’s slideshow, visit the Company's website at http://www.pioneerdrlg.com. The presentation will also be available for replay from the Company's website for a period of 90 days.

Pioneer Drilling provides land contract drilling services to independent and major oil and gas operators drilling wells in Texas, Louisiana, Oklahoma, Kansas and in the Rocky Mountain region. Its fleet consists of 66 land drilling rigs that drill in depth ranges between 6,000 and 18,000 feet.