Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 05/05/2006, Docket: RP00-107-010, Status: Effective

Fifth Revised Sheet No. 228A Fifth Revised Sheet No. 228A : Effective

Superseding: Fourth Revised Sheet No. 228A

GENERAL TERMS AND CONDITIONS (Continued)

9. NOMINATION AND SCHEDULING PROCEDURES (Continued)

9.20.1 Transportation service transactions performed under Rate

Schedule FT-1, which involve primary receipt and/or delivery

points, shall be scheduled first on a pro rata basis.

Transportation service transactions performed under Rate Schedule

FT-1 which involve alternate receipt and/or delivery points shall

be scheduled next on a pro rata basis. Transportation service

transactions performed under Rate Schedule FT-1 which involve

segmented transactions shall be scheduled next on a pro rata

basis.

9.20.2 Transportation by Transporter for maintenance of system

integrity.

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