BILL BARRETT CORPORATION, as Issuer, THE SUBSIDIARY GUARANTORS NAMED ON SCHEDULE 1 HERETO 7% Senior Notes due 2022 FOURTH SUPPLEMENTAL INDENTURE Dated as of March 12, 2012 DEUTSCHE BANK TRUST COMPANY AMERICAS, as TrusteeFourth Supplemental Indenture • March 12th, 2012 • Bill Barrett Corp • Crude petroleum & natural gas • New York
Contract Type FiledMarch 12th, 2012 Company Industry JurisdictionTHIS FOURTH SUPPLEMENTAL INDENTURE, dated as of March 12, 2012 (this “Supplemental Indenture”), is entered into among Bill Barrett Corporation, a Delaware corporation (the “Company”), the subsidiary guarantors named on Schedule 1 hereto and Deutsche Bank Trust Company Americas, a New York State banking corporation, as trustee (the “Trustee”). Capitalized terms used herein and not otherwise defined have the meanings set forth in the Base Indenture (as defined below).