NNG - Tariff - Fourth Revised Sheet No. 455

Northern Natural Gas Company                                             Fourth Revised Sheet No. 455
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                                Third Revised Sheet No. 455



              3.2  The applicable provisions of Northern's Rate Schedule SMS and the GENERAL

                   TERMS AND CONDITIONS set forth in Northern's FERC Gas Tariff, as may be

                   revised from time to time, are hereby incorporated by reference and made a

                   part hereof.



              3.3  An SMS Shipper may release SMS, either permanently or temporarily, subject

                   to the applicable provisions of Section 47 of the GENERAL

                   TERMS AND CONDITIONS of Northern's FERC Gas Tariff.


              3.4  Northern may file and seek Commission approval under Section 4

                   of the Natural Gas Act ("NGA") at any time and from time to time

                   to change any rates, charges or other provisions of the SMS Rate Schedule

                   and the GENERAL TERMS AND CONDITIONS in Northern's FERC Gas Tariff, and

                   Northern shall have the right to place such changes in effect in accordance

                   with the NGA, and this Agreement shall be deemed to include such changes

                   and any changes which become effective by operation of law and Commission

                   Order, without prejudice to Shipper's right to protest the same.



              SECTION 4.    NOTICES

                   Any notice, statement, or bill provided for in this Agreement

                   shall be in writing and shall be considered as having been given if

                   delivered personally, or if mailed by United States mail, postage

                   prepaid, or if sent by express mail, overnight delivery, telex,

                   telecopy or other mutually agreeable means of electronic

                   transmission, to Shipper when sent to the address











Issued by: Mary Kay Miller, V.P. Regulatory & Government Affairs
Issued on: March 17, 2010                                                  Effective: April 17, 2010