Northern Natural Gas Company

Fifth Revised Volume No. 1

Effective Date: 12/31/9999, Docket: RP00-404-007, Status: Accepted

Second Revised Sheet No. 443 Second Revised Sheet No. 443 : Pending

Superseding: First Revised Sheet No. 443

Preferred Deferred Delivery Service Agreement

Rate Schedule PDD

Shipper's Name and Address for Notices and Invoices: Date: _____________

_____________________________________________

Attn:_________________________________________

Address for Invoice (If different from above)

___________________________________

Attn:_______________________________

Contract No: _________________

Term: ______________________________

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.

Other: _________________________________________________________________________________

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

Address:____________________ Account No. ________________

____________________________ ABA No. ____________________

Attn:_______________________ Bank: ______________________

Fax No.:____________________

This Agreement shall incorporate and in all respects shall be subject to the "GENERAL

TERMS AND CONDITIONS" and the applicable Rate Schedule(s) set forth in Northern's FERC Gas

Tariff, as may be revised from time to time. 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 set forth in the applicable Rate Schedule(s)

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

Deferred Delivery Service 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.

Northern Natural Gas Company Shipper

By:_______________________________ By:________________________________

Title:_____________________________ Title:______________________________

Date:______________________________ Date:_______________________________