VOTING AGREEMENTVoting Agreement • May 14th, 2008 • Horsepower Holdings, Inc. • Delaware
This VOTING AGREEMENT (this “Agreement”), dated as of April 20, 2008, is by and between Grey Wolf, Inc., a Texas corporation (“Grey Wolf”), and the undersigned holder (the “Affiliate”) of shares or options to acquire shares of common stock of Basic Energy Services, Inc., a Delaware corporation (“Basic”). Capitalized terms used and not defined herein shall have the respective meanings ascribed to them in the Merger Agreement referenced below.
