THIRD AMENDMENT TO MASTER CRUDE OIL PURCHASE AND SALE CONTRACT Effective as of March 31, 2009 among UTEXAM LIMITED, AS SELLER, AND FRONTIER OIL AND REFINING COMPANY, AS PURCHASER, FRONTIER OIL CORPORATION, AS GUARANTORMaster Crude Oil Purchase and Sale Contract • July 1st, 2009 • Frontier Oil Corp /New/ • Petroleum refining • New York
Contract Type FiledJuly 1st, 2009 Company Industry JurisdictionTHIS THIRD AMENDMENT TO MASTER CRUDE OIL PURCHASE AND SALE CONTRACT (this “Third Amendment”) dated as of July 1, 2009, to be effective as of March 31, 2009, is among Utexam Limited, a company incorporated under the laws of the Republic of Ireland (the “Seller”), Frontier Oil and Refining Company, a Delaware corporation (the “Purchaser”), and Frontier Oil Corporation, a Wyoming corporation (the “Guarantor”).