AMENDMENT TO CASH-SETTLED PERFORMANCE UNIT AWARD AGREEMENT UNDER PATTERSON-UTI ENERGY, INC. 2005 LONG-TERM INCENTIVE PLANCash-Settled Performance Unit Award Agreement • May 4th, 2010 • Patterson Uti Energy Inc • Drilling oil & gas wells • Delaware
This Amendment (this “Amendment”) to the Patterson-UTI Energy, Inc. 2005 Long-Term Incentive Plan Cash-Settled Performance Unit Award Agreement (the “Agreement”) between Patterson-UTI Energy, Inc. (the “Company”) and (the “Grantee”) that became effective as of April 1, 2009 (the “Date of Award”) is executed by the Company and the Grantee on this 30th day of April, 2010, to be effective as of the Date of Award.
