BILL BARRETT CORPORATION, as Issuer and The Subsidiary Guarantors named hereinThird Supplemental Indenture • February 21st, 2012 • Bill Barrett Corp • Crude petroleum & natural gas • New York
THIS THIRD SUPPLEMENTAL INDENTURE, dated as of August 3, 2011 (this “Supplemental Indenture”), is entered into among Bill Barrett Corporation, a Delaware corporation (the “Company”), GB Acquisition Corporation, a Wyoming corporation (the “Wyoming Subsidiary”), Elk Production Uintah, LLC, a Texas limited liability company (“Elk”), and Aurora Gathering, LLC, a Texas limited liability company (“Aurora” and, together with Elk, the “Texas Subsidiaries” and, together with the Wyoming Subsidiary, the “New Subsidiary Guarantors”), Bill Barrett CBM Corporation, a Delaware corporation, Circle B Land Company LLC, a Colorado limited liability company, 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 Indenture (as defined below).
