Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 05/11/2009, Docket: RP09-506-000, Status: Effective

Second Revised Sheet No. 689 Second Revised Sheet No. 689

Superseding: First Revised Sheet No. 689

FORM OF SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE PAL-1 (Continued)

EXHIBIT "A"

to Rate Schedule PAL-1 Park and Loan (PAL) Service Agreement

dated ____________ between

WILLISTON BASIN INTERSTATE PIPELINE COMPANY (Transporter)

and ____________________________________________ (Shipper)

Effective date of Exhibit "A"______________________________________

Supersedes Exhibit "A" dated ______________________________________

Total Park/Loan Quantity:__________________________ dkt

Associated Transportation Contract #: _______________________________

Associated Storage Contract #: ______________________________________

Negotiated Rate Agreement: Yes ______ No ______

Rate Rate

1/ 1/ Effective Effective

Point(s) Point(s) Commodity Begin End

of Receipt of Delivery Rate Date Date

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

All OBA All OBA 2/ 3/ 3/

Points Points

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/ Unless discounted by Transporter pursuant to Section 3.3 of Rate

Schedule PAL-1 and Subsection 7.9 of the General Terms of Conditions of

Transporter's FERC Gas Tariff, Second Revised Volume No. 1, the

applicable rate for service hereunder is the effective maximum rate for

Rate Schedule PAL-1 service on file with the FERC, as same may change

from time to time. Such rates shall not be applicable to service

provided pursuant to Section 51 of the General Terms and Conditions of

this Tariff. Should Transporter and Shipper negotiate a specific

discount rate, such downward price adjustment shall be for a specific

parked and/or loaned quantity and shall apply only if one or more of the

following instances occur: (1) specified volumes under such Service

Agreement are achieved; and/or (2) for a specifically defined period. A

discount agreement which provides for an agreed discount as to a