JOINT FILING AGREEMENT

                                                                      EXHIBIT J



                             JOINT FILING AGREEMENT

         The undersigned  agree that this Amendment No. 4 executed  February 5,
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/ Xxxx X. Xxxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxx X. Xxxxxxxx
                                     Title: Executive Vice President


                                HARBINGER CAPITAL PARTNERS OFFSHORE MANAGER,
                                L.L.C.

                                By:  HMC Investors, L.L.C.,
                                     Managing Member


                                By:  /s/ Xxxx X. Xxxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxx X. Xxxxxxxx
                                     Title: Executive Vice President


                                HMC INVESTORS, L.L.C.


                                By:  /s/ Xxxx X. Xxxxxxxx
                                     ----------------------------------------
                                Name:  Xxxx X. Xxxxxxxx
                                Title: Executive Vice President




                                      J-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/ Xxxx X. Xxxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxx X. Xxxxxxxx
                                     Title: Executive Vice President


                                HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS
                                GP, LLC


                                By:  HMC - New York, Inc., Managing Member


                                By:  /s/ Xxxx X. Xxxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxx X. Xxxxxxxx
                                     Title: Executive Vice President


                                HMC - NEW YORK, INC.


                                By:  /s/ Xxxx X. Xxxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxx X. Xxxxxxxx
                                     Title: Executive Vice President


                                XXXXXXX MANAGEMENT CORPORATION


                                By:  /s/ Xxxx X. Xxxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxx X. Xxxxxxxx
                                     Title: Executive Vice President





                                      J-2



                                /s/ Xxxxxx Xxxxxxx
                                ---------------------------------------------
                                Xxxxxx Xxxxxxx


                                /s/ Xxxxxxx X. Xxxxxxx
                                ---------------------------------------------
                                Xxxxxxx X. Xxxxxxx


                                /s/ Xxxxxxx X. Xxxx
                                ---------------------------------------------
                                Xxxxxxx X. Xxxx



February 5, 2009



                                      J-3