Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 06/02/2006, Docket: RP06-344-000, Status: Effective

Second Revised Sheet No. 730 Second Revised Sheet No. 730 : Effective

Superseding: First Revised Sheet No. 730

OPERATIONAL BALANCING AGREEMENT (Continued)

IN WITNESS WHEREOF, the Parties hereto have executed this Agreement on

the day and year first above written.

WILLISTON BASIN INTERSTATE

PIPELINE COMPANY __________________________

(Transporter)

By______________________________ By________________________

________________________________ __________________________

(Print or type name) (Print or type name)

________________________________ __________________________

(Print or type title) (Print or type title)

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