Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 11/23/2006, Docket: RP07- 33-000, Status: Effective

Fourth Revised Sheet No. 95 Fourth Revised Sheet No. 95 : Effective

Superseding: Third Revised Sheet No. 95

RATE SCHEDULE IT-1

INTERRUPTIBLE TRANSPORTATION SERVICE (Continued)

11. NOTICES

11.1 Any invoices or notices provided for in the Service Agreement

shall be in writing and shall be considered as having been given if

delivered personally, electronically or if mailed by United States mail,

postage prepaid, to the applicable address:

Notices: Williston Basin Interstate Pipeline Company

Attention: Contracts

Mail: P.O. Box 5601

Bismarck, North Dakota 58506-5601

Delivery: 1250 West Century Avenue

Bismarck, North Dakota 58503

11.2 Payments are subject to the General Terms and Conditions of

this Tariff including, but not limited to, Section 21 of the General

Terms and Conditions.

Payments by Check: Williston Basin Interstate Pipeline Company

Attention: Transportation Accounting

Mail: P.O. Box 5601

Bismarck, North Dakota 58506-5601

Delivery: 1250 West Century Avenue

Bismarck, North Dakota 58503

Wire: Address and Account No. identified on invoice

(The rest of this sheet has been intentionally left blank.)