Viking Gas Transmission Company

First Revised Volume No. 1

Effective Date: 07/01/2004, Docket: RP04-306-000, Status: Effective

Fourth Revised Sheet No. 27 Fourth Revised Sheet No. 27 : Effective

Superseding: Third Revised Sheet No. 27

RATE SCHEDULE AOT

INTERRUPTIBLE TRANSPORTATION SERVICE

3. QUALIFICATION FOR SERVICE (Continued)

3.2 All Shippers requesting interruptible transportation service must execute an AOT

Transportation Agreement in accordance with the provisions of Section 22 of the

General Terms and Conditions of Company's FERC Gas Tariff.

4. DELIVERIES AND RECEIPTS

4.1 Receipt Points

All receipt point(s) on Company's system covered by an Operational Balancing

Agreement (OBA) shall be available as receipt points for all gas transported by

Company under this Rate Schedule.

4.2 Delivery Points

All delivery point(s) on Company's system covered by an OBA shall be available as

delivery points for all gas transported by Company under this Rate Schedule.

4.3 OBA Coverage

A receipt or delivery point on Company's system shall be deemed to be covered by

an OBA if the Balancing Party at such point has entered into such an OBA with

Company in the form set forth in this Tariff and such OBA is in full force and

effect. Notwithstanding anything in this Rate Schedule to the contrary, Company

shall not refuse to receive gas at a receipt point(s) or deliver gas at a delivery

point(s) due to the lack of an effective OBA at such point, provided that the

Balancing Party at such point is exercising reasonable efforts to enter promptly

into such an OBA with Company in the form set forth in this Tariff or in a form

acceptable to Company.

4.4 Pressures

Shipper shall deliver gas to Company at the pressure required from time to time to

enable the gas to enter Company's facilities at the receipt point(s), but in no

event shall such pressure exceed the maximum allowable operating pressure of

Company's system at such point(s). Company shall deliver gas to Shipper or

Shipper's designee at Company's line pressure existing at the delivery point(s).

4.5 Uniform Quantities

As nearly as practicable, Shipper shall deliver and receive gas in uniform hourly

quantities during any Gas Day.