Viking Gas Transmission Company

Original Volume No. 1

Effective Date: 11/01/1993, Docket: RS92- 52-001, Status: Effective

Original Sheet No. 27 Original Sheet No. 27 : Superseded

RATE SCHEDULE AOT (Continued)

3.2 All Shippers requesting interruptible transportation service must execute a

Transportation Agreement in accordance with the provisions of Article XXII of the

General Terms and Conditions of Transporter's FERC Gas Tariff. An executed

Transportation Agreement should be sent to:

Director of Transportation Services

Viking Gas Transmission Company

P. O. Box 2511

Houston, Texas 77252-2511

4. DELIVERIES AND RECEIPTS

4.1 Receipt Points: The Receipt Point(s) for all gas transported by Transporter under this

Rate Schedule shall be all designated receipt points on Transporter's system covered by

an OBA.

4.2 Delivery Points: The Delivery Point(s) for all gas transported by Transporter under

this Rate Schedule shall be all designated delivery points on Transporter's system

covered by an OBA.

4.3 A receipt or delivery point on Transporter's system shall be deemed to be covered by an

OBA if (i) the Operator of such point has entered into an OBA with Transporter in the

form set forth in this tariff and such OBA is in full force and effect, or (ii) the

Operator of such point is an interconnecting pipeline who has entered into an OBA with

Transporter in the form set forth in this tariff or otherwise and such OBA is in full

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

Transporter shall continue to receive gas at a receipt point(s) and deliver gas at a

delivery point(s) previously covered by an OBA in the event of the termination of such

OBA, provided that the Operator of such point is exercising reasonable efforts to enter

promptly into a new OBA with Transporter in the form set forth in this tariff or in a

form acceptable to Transporter.

4.4 Pressures: Shipper shall deliver gas to Transporter at the pressure required from time

to time to enable the gas to enter Transporter's facilities at the Receipt Point(s), but

in no event shall such pressure exceed the maximum allowable operating pressure of

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

Shipper's designee at Transporter'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 day.