Northern Natural Gas Company

Fifth Revised Volume No. 1

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Effective Date: 04/17/2010, Docket: RP10-502-000, Status: Effective

Seventh Revised Sheet No. 221 Seventh Revised Sheet No. 221

Superseding: Sixth Revised Sheet No. 221

GENERAL TERMS AND CONDITIONS

18. ELECTRONIC COMMUNICATIONS

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A. Communication of Pricing and Capacity Information. Northern has

established and maintains an Internet website to comply with the requirements

of contemporaneous communication of and equal and timely access to certain

information to all "potential shippers."

Northern's currently effective Volume No. 1 tariff, as revised from time to

time, is posted on Northern's website. Therefore, Northern will not provide

paper copies of the tariff to its customers and interested state commissions

unless specifically requested to do so.

In addition to general information regarding the availability and

pricing of transportation services and the availability of pipeline

capacity (at receipt points, on the mainline, at delivery points, in

storage fields, new capacity and capacity as to which Northern has

exercised its right of pregranted abandonment), Northern will post

information with regard to the Right of First Refusal process,

capacity release, imbalance transfers, curtailment, points available

for nominations, points available for pooling, and open

season information. Shipper has the option to directly post capacity release

terms. Northern will also post such pricing and capacity information upon

specific request by shippers and potential shippers. Additionally,

Northern will post capacity wanted notices for prospective Shippers.

Northern will regularly remove information as to completed

transactions and other matters which have become obsolete.

Daily back-up records will be maintained for three years and will be

accessible to customers in electronic form upon written request.

Shipper shall reimburse Northern, upon billing, for any copying and

mailing costs associated with such requests.

For further information relative to the website, including fees and usage

charges, potential shippers should contact Northern through use of the

website link "contact us" or at 1-866-810-5268.