0001193125-12-416750 Sample Contracts

July 15, 2012 CONFIDENTIAL Union Drilling, Inc.

Sidewinder Drilling Inc. • October 5th, 2012 • Drilling oil & gas wells • Delaware

• Company
  Sidewinder Drilling Inc.
• Filed
  October 5th, 2012
• Industry
  Drilling oil & gas wells
• Jurisdiction
  Delaware

CONFIDENTIALITY AGREEMENT

Confidentiality Agreement • October 5th, 2012 • Sidewinder Drilling Inc. • Drilling oil & gas wells • Texas

• Contract Type
  Confidentiality Agreement
• Filed
  October 5th, 2012
• Company
  Sidewinder Drilling Inc.
• Industry
  Drilling oil & gas wells
• Jurisdiction
  Texas

This Confidentiality Agreement (this “Agreement”) is made and entered into this 13th day of July, 2012 by and between Avista Capital Holdings, LP (“Avista”) and Union Drilling, Inc., a Delaware corporation (“Union”).