Northern Natural Gas Company

Fifth Revised Volume No. 1

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

Third Revised Sheet No. 270 Third Revised Sheet No. 270

Superseding: Second Revised Sheet No. 270

GENERAL TERMS AND CONDITIONS

33. REALLOCATION:

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No reallocations to the volumes received, transported or delivered by

Northern shall be made unless the affected Shippers under the

Throughput Service Agreements, the operator or its designee and

Northern agree in writing to the reallocation within three (3) months

from written notice from Northern of a proposed reallocation. The

parties shall negotiate in good faith to reach such an agreement.

Northern must receive written notice of a proposed reallocation

within six (6) months of the initial month end allocation or no

reallocations will be made.

This provision shall not apply in the case of deliberate omission or

misrepresentation or mutual mistake of fact. Parties' other

statutory or contractual rights shall not otherwise be diminished by

this provision.

34. UNAUTHORIZED GAS:

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"Unauthorized Gas" shall mean any volumes delivered to Northern from

any receipt points which have not been nominated in any amount by any

Shipper for that month and which have not been scheduled by Northern.

Shipper may claim the unauthorized gas, provided that claim therefor

shall have been made within six (6) months from the date such

unauthorized gas entered Northern's system.

Any revenues received for Unauthorized Gas shall be credited to

Shippers in accordance with Section 57 of the GENERAL TERMS AND

CONDITIONS of this Tariff.