Bronco Drilling Co. Inc.

D. Frank Harrison has served as served as Chief Executive Officer and a director of our company since May 2005. Mr. Harrison served as President of Harding & Shelton, Inc., a privately held oil and natural gas exploration, drilling and development firm, from 1999 to 2002. From 2002 to 2005, Mr. Harrison served as an agent for the purchase and sale of oil and gas properties for entities controlled by Wexford. Mr. Harrison has served since 2003 as a member of the board of directors of Geokinetics, Inc., a publicly held seismic acquisition and interpretation company. He graduated from Oklahoma State University with a Bachelor of Science degree in Sociology.

Mark Dubberstein was named President of the Company on June 28, 2007. Prior to his promotion, Mr. Dubberstein became the Company’s General Counsel on January 1, 2006 following twenty-five years in private practice, most recently as the senior member of Dubberstein, Heinen & Morris PC in Oklahoma City. His previous experience includes serving as Mid-Continent Counsel at Sohio Petroleum Company in Dallas. He received a Juris Doctorate from the University of Oklahoma College of Law and a Bachelor of Arts degree in English from Oklahoma State University.

Steven R. Starke was named Chief Accounting Officer of the Company on June 28, 2007. Prior to his promotion, Mr. Starke served as Controller of the Company. Prior to joining the Company, Mr. Starke served as an accountant with Grant Thornton LLP in Oklahoma City. He received a Bachelor of Business Administration degree in Accounting and Management Information Systems from the University of Oklahoma and is a licensed Certified Public Accountant.

Zachary M. Graves has served as Chief Financial Officer of our company since April 2005. He previously served as our Controller and the Controller of Gulfport from April 2003 to March 2005. Prior to joining our company, Mr. Graves served as an accountant with KPMG LLP from August 2000 to April 2003. He received a Bachelor of Business Administration degree in Accounting from the University of Oklahoma and is a licensed Certified Public Accountant.

David L. Houston has served as a director of our company since July 1998. Since 1991, Mr. Houston has been the principal of Houston & Associates, a firm that offers life and disability insurance, compensation and benefits plans and estate planning. Mr. Houston has served as a director of Bronco Drilling Company since May 2005. Mr. Houston is a nominee to serve as director of Windsor Energy Resources upon completion of its initial public offering. Windsor Energy Resources is indirectly controlled by Wexford Capital LLC and Bronco Drilling Company is a company in which Wexford Capital LLC beneficially owns approximately 47% of the outstanding shares of common stock. Prior to 1991, Mr. Houston was President and Chief Executive Officer of Equity Bank for Savings, F.A., an Oklahoma-based savings bank. Mr. Houston currently serves on the board of directors and executive committee of Deaconess Hospital, Oklahoma City, Oklahoma, and is the former chair of the Oklahoma State Ethics Commission and the Oklahoma League of Savings Institutions. Mr. Houston received a Bachelor of Science degree in business from Oklahoma State University and a graduate degree in banking from Louisiana State University.

David W. House has served as a director of our company since September 2008. Mr. House served as the President of Primary Natural Resources, Inc. from 2004 to 2008, and as the Chief Financial Officer of Primary Natural Resources, Inc. from 2000 until being appointed its President. From 1996 to 2000, Mr. House served as Senior Vice President of El Paso Corporation’s Mid-Continent Gas Group. From 1979 to 1996, Mr. House served in various positions with Samson Resources Company, including Vice President of Administration and President of Premier Gas Company, a wholly owned subsidiary of Samson Resources Company. Mr. House previously served as an auditor with Arthur Young & Co., received a Bachelor of Science degree in Accounting from Harding University and is a licensed Certified Public Accountant.

Gary C. Hill has served as a director of our company since August 2006. Dr. Hill has served as the Chief of Surgery Service and Chief of Staff at Edmond Medical Center. He also has served as the President of the Edmond Medical Center Hospital Board. Dr. Hill served as the Chief of Surgery Service and Chief of Staff at St. Joseph’s Regional Hospital in Ponca City, Oklahoma. Dr. Hill is a graduate of Oklahoma State University, where he received his Bachelor of Arts in Humanities, and the University of Oklahoma Health Sciences Center. He served both his Surgery Internship and Residency in Otolaryngology, Head and Neck Surgery at the University of Texas Health Science Center, Parkland Hospital in Dallas before performing his Plastic and Reconstructive Surgery Residency at the University of Kansas Health Sciences Center in Kansas City. Dr. Hill is a native of Altus, Oklahoma.