EXHIBIT 10.10 PATTERSON-UTI ENERGY, INC. STOCK OPTION AGREEMENT This Agreement (the "Agreement") is made as of July 20, 2001, between Patterson-UTI Energy, Inc., a Delaware corporation (the "Company"), and Stephen J. DeGroat (the "Optionee") a...Stock Option Agreement • March 19th, 2002 • Patterson Uti Energy Inc • Drilling oil & gas wells
WITNESSETH:Registration Rights Agreement • March 19th, 2002 • Patterson Uti Energy Inc • Drilling oil & gas wells • New York
EXHIBIT 2.5 ASSET PURCHASE AGREEMENT THIS AGREEMENT CONTAINS PROVISIONS RELATING TO INDEMNITY, RELEASE OF LIABILITY AND ALLOCATION OF RISK This Asset Purchase Agreement (the "Agreement") entered into as of the 21st day of December, 2001, by and among...Asset Purchase Agreement • March 19th, 2002 • Patterson Uti Energy Inc • Drilling oil & gas wells • Texas
