Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 08/01/2003, Docket: RP03-286-004, Status: Effective

Tenth Revised Sheet No. 608 Tenth Revised Sheet No. 608 : Effective

Superseding: Ninth Revised Sheet No. 608

FORM OF TRANSPORTATION SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE IT-1 (Continued)

EXHIBIT "A"

to Rate Schedule IT-1 Transportation Service Agreement

dated ____________ between

WILLISTON BASIN INTERSTATE PIPELINE COMPANY (Transporter)

and ____________________________________________ (Shipper)

Effective date of Exhibit "A"______________________________________

Supersedes Exhibit "A" dated ______________________________________

Shipper's Interruptible

Delivery Quantity:__________________________ dkt per day

Party on whose behalf transportation service is being provided pursuant to

Section 311 of the NGPA is ______________________.

Negotiated Rate Agreement: Yes_____ No_____

Rate Rate

1/3/ 1/3/ 2/ Effective Effective

Point(s) Point(s) Commodity Begin End

of Receipt of Delivery Rate Date Date

---------- ----------- --------- --------- ---------

All All 4/ 5/ 5/

1/ Legal description, pressures and type of monitoring for each point may

be obtained from the Master Receipt/Delivery Point List provided by

Transporter via the Company's Interactive Website.

2/ Commodity rate is exclusive of fuel reimbursement unless otherwise

noted.

3/ If Shipper has contracted separately for Rate Schedule IS-1

Interruptible Storage Service to be provided by Transporter, when gas is

delivered to and subsequently received from aggregate storage by

Shipper, such storage facilities shall be considered an intermediate

delivery or receipt (as applicable) and shall be considered a "stop in

time" to the transportation transaction.