JOINT FILING AGREEMENT

                                                                      EXHIBIT R



                             JOINT FILING AGREEMENT

         The  undersigned  agree that this  Amendment No. 8 executed  April 13,
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 LLC

                                By:  Harbinger Holdings, LLC,
                                     Managing Member


                                By:  /s/ Xxxxxx Xxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxxxx Xxxxxxx
                                     Title: Managing Member


                                HARBINGER CAPITAL PARTNERS LLC

                                By:  Harbinger Holdings, LLC,
                                     Managing Member


                                By:  /s/ Xxxxxx Xxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxxxx Xxxxxxx
                                     Title: Managing Member



                                      R-1



                                HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS
                                FUND, L.P.

                                By:  Harbinger Capital Partners Special
                                     Situations GP, LLC

                                By:  Harbinger Holdings, LLC, Managing Member


                                By:  /s/ Xxxxxx Xxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxxxx Xxxxxxx
                                     Title: Managing Member


                                HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS
                                GP, LLC


                                By:  Harbinger Holdings, LLC, Managing Member


                                By:  /s/ Xxxxxx Xxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxxxx Xxxxxxx
                                     Title: Managing Member


                                HARBINGER HOLDINGS, LLC


                                By:  /s/ Xxxxxx Xxxxxxx
                                     ----------------------------------------
                                     Name:  Xxxxxx Xxxxxxx
                                     Title: Managing Member



                                      R-2



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





April 13, 2009



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