Type	Name	Date
Credit agreement	Credit Agreement, by and among Horsehead Corporation, The International Metals Reclamation Company, LLC and Horsehead Metal Products, LLC as Borrowers, the lenders from time to time party hereto, as Lenders, and Macquarie Bank Limited, as Administrative Agent and Sole Arranger	07/07/2015
Indenture	Indenture, among Horsehead Holding Corp., the subsidiary guarantors party thereto and U.S. Bank National Association, as trustee	07/30/2014
Indenture	Supplemental Indenture, among Horsehead Holding Corp., the subsidiary guarantors party thereto and U.S. Bank National Association, as trustee	07/30/2014
Credit agreement	First Amendment to the Credit Agreement, by and between The International Metals Reclamation Company, Inc. and Wells Fargo Bank, N.A	04/02/2014
Credit agreement	Credit Agreement, by and between The International Metals Reclamation Company, Inc., as borrower, and Wells Fargo Bank, N.A., as lender	06/26/2013
Indenture	Supplemental Indenture, among Horsehead Holding Corp., the subsidiary guarantors party thereto and U.S. Bank National Association, as trustee and as collateral agent	06/04/2013
Indenture	First Supplemental Indenture, among Horsehead Holding Corp., the subsidiary guarantors party thereto and U.S. Bank National Association, as trustee and as collateral agent	10/29/2012
Credit agreement	Credit Agreement among Horsehead Holding Corp., Banco Bilbao Vizcaya Argentaria, S.A., and Horsehead Corporation	08/31/2012
Indenture	Indenture, among Horsehead Holding Corp., the subsidiary guarantors party thereto and U.S. Bank National Association, as trustee and as collateral agent	07/30/2012
Indenture	Indenture, between Horsehead Holding Corp. and U.S. Bank National Association, as trustee	07/27/2011

Type	Name	Date
Severance agreement	Severance Agreement, between Horsehead Corporation and Ryan Hutchison	08/12/2016
Employment agreement	Employment Agreement, by and between the registrant and James M. Hensler III	01/04/2011
Employment agreement	Employment Agreement, by and between the registrant and Robert D. Scherich	01/04/2011
Employment agreement	Employment Agreement, by and between the registrant and Ali Alavi	01/04/2011