THIRD SUPPLEMENTAL INDENTUREThird Supplemental Indenture • June 4th, 2013 • Horsehead Holding Corp • Primary smelting & refining of nonferrous metals • New York
Contract Type FiledJune 4th, 2013 Company Industry JurisdictionThird Supplemental Indenture (this “Supplemental Indenture”), dated as of June 3, 2013, among Horsehead Holding Corp. (the “Issuer”), the subsidiaries of the Company set forth on the signature pages hereto (collectively, the “Guarantors”), and U.S. Bank National Association, as trustee under the Indenture referred to below (the “Trustee”).