EXHIBIT H JOINT FILING AGREEMENT The undersigned agree that this Amendment No. 3 executed January 15, 2009 relating to the Common Shares (par value $0.125 per share) of Cliffs Natural Resources Inc. shall be filed on behalf of the undersigned. HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD. By: Harbinger Capital Partners Offshore Manager, L.L.C. By: HMC Investors, L.L.C., Managing Member By: /s/ Joel B. Piassick ---------------------------------------- Name: Joel B. Piassick Title: Executive Vice President HARBINGER CAPITAL PARTNERS OFFSHORE MANAGER, L.L.C. By: HMC Investors, L.L.C., Managing Member By: /s/ Joel B. Piassick ---------------------------------------- Name: Joel B. Piassick Title: Executive Vice President HMC INVESTORS, L.L.C. By: /s/ Joel B. Piassick ---------------------------------------- Name: Joel B. Piassick Title: Executive Vice President H-1 HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P. By: Harbinger Capital Partners Special Situations GP, LLC By: HMC - New York, Inc., Managing Member By: /s/ Joel B. Piassick ---------------------------------------- Name: Joel B. Piassick Title: Executive Vice President HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS GP, LLC By: HMC - New York, Inc., Managing Member By: /s/ Joel B. Piassick ---------------------------------------- Name: Joel B. Piassick Title: Executive Vice President HMC - NEW YORK, INC. By: /s/ Joel B. Piassick ---------------------------------------- Name: Joel B. Piassick Title: Executive Vice President HARBERT MANAGEMENT CORPORATION By: /s/ Joel B. Piassick ---------------------------------------- Name: Joel B. Piassick Title: Executive Vice President H-2 /s/ Philip Falcone --------------------------------------------- Philip Falcone /s/ Raymond J. Harbert --------------------------------------------- Raymond J. Harbert /s/ Michael D. Luce --------------------------------------------- Michael D. Luce January 16, 2009 H-3