Northern Natural Gas Company                                           Third Revised Sheet No. 66B.06
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                            Second Revised Sheet No. 66B.06







                            SHEET NO. 66B.06 IS RESERVED FOR FUTURE USE
 





















































Issued by: Mary Kay Miller, V.P. Regulatory & Government Affairs
Issued on: February 2, 2010                                              Effective: February 3, 2010