Northern Natural Gas Company                                            Second Revised Sheet No. 409A
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                               First Revised Sheet No. 409A

(Placement on page, number of pages, format, capitalization and font may vary)


                                            Contract No.:_____________
                                            Request No.:______________
                                            Amendment No.:____________ [if applicable]


Appendix B [or B-1]
Segmented Firm Throughput Service Agreement [Applicable to Delivery Segment Only)
TF Rate Schedule

                                            Delivery Point(s) Listing



Shipper:________________________________

Term:__________through______________

DELIVERY POINT DESCRIPTION:


                  MAXIMUM VOLUMES (DTH) [organized by Zone and/or Master Meter]


  POI#      Delivery Points Served                 Jan        Feb              Dec
  ______    ______________________               ________   ________  ......   ________

                                                 [Volume]   [Volume]           [Volume]

  ______    ______________________               ________   ________  ......   ________
  ______    ______________________               ________   ________  ......   ________
  ______    ______________________               ________   ________  ......   ________

                        Total(s)




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Issued by: Mary Kay Miller, V.P. Regulatory & Government Affairs
Issued on: January 21, 2009                                             Effective: February 21, 2009