Northern Natural Gas Company                                              Sixth Revised Sheet No. 443
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                                Fifth Revised Sheet No. 443

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                       Preferred Deferred Delivery Service Agreement
                                     Rate Schedule PDD

                                                                 Date: _______________


Shipper's Name and Address for Notices:           Shipper's Name and Address for Invoices:
_______________________________________           ________________________________________
_______________________________________           ________________________________________
ATTN:__________________________________           ATTN:___________________________________



Contract No.:    _________________



Term:  From________ to________ [If applicable] and shall continue month to month thereafter
unless terminated by either party upon thirty (30) days written notice.


Rates shall be Northern's maximum rates and charges plus all applicable surcharges in
effect from time to time under the applicable Rate Schedule on file with the Commission
unless otherwise agreed to by the parties in writing.

[If Applicable] Other Provisions Permitted By Tariff Under the Applicable Rate Schedule and
pursuant to Section 58 of the GENERAL TERMS AND CONDITIONS of Northern's  FERC Gas Tariff:
_______________________________________________________________________________________

The parties agree that a facsimile or other electronic version of this document, when
properly executed and transmitted, shall be considered for all purposes to be an original
document, and shall be deemed for all purposes to be signed and constitute a binding
agreement.  The entire agreement must be faxed or transmitted to Northern.  Upon Northern's
acceptance and execution, an executed copy will be returned via FAX to the number appearing
on the faxed offer or such other number as directed or otherwise electronically
transmitted.

This Agreement constitutes the entire agreement between the parties with respect to the
subject matter of this Agreement and shall be binding upon and shall inure to the benefit
of the parties hereto and their respective successors and assigns.  No promises, agreements
or warranties additional to this Agreement other than as may be contained in Northern's
FERC Gas Tariff will be deemed to be a part of this Agreement nor will any alteration,
amendment or modification be effective unless confirmed in writing by the parties.

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 set forth on this Agreement and to Northern when sent to the following:

All Notices/Accounting Matters:                   Payments to Designated Depository:
Northern Natural Gas Company                      Northern Natural Gas Company
[Information]                                     [Informaton]

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