Westgas Interstate, Inc.

First Revised Volume No. 1

Effective Date: 08/01/1999, Docket: RP99-422-000, Status: Effective

Fourth Revised Sheet No. 40 Fourth Revised Sheet No. 40 : Effective

Superseding: Third First Revised Sheet No. 40

GENERAL TERMS AND CONDITIONS

(Continued)

Transporter shall provide Shipper five days' notice

of any interruption in order to permit Shipper to

make the election available under 2.4(d). Such

notice shall state the discounted rates being paid by

other shippers, the quantities being transported at

such rates and the estimated reduced quantities of

gas that can be transported.

(e) TRANSPORTER'S RIGHT TO INTERRUPT. Nothing in

this provision shall limit Transporter's right to

interrupt service on any other reasonable basis

(including pro rata interruption within a class of

service) in order to insure system integrity.

3. SHIPPER NOMINATIONS AND REQUESTS FOR CAPACITY

All nominations and requests for firm capacity shall be

processed on a first-come, first-served basis and shall be

submitted in the manner set forth in these General Terms and

Conditions. All parties should support a seven-days-a-week,

twenty-four-hours-a-day nominations process. It is recognized

that the success of seven days a week, twenty-four hours a day

nominations process is dependent on the availability of

affected parties' scheduling personnel on a similar basis.

Party contacts need not be at their ordinary work sites but

should be available by telephone or beeper.

3.1 Nominations received after nomination deadline

should be scheduled after the nominations received before

the nomination deadline.

3.2 Nomination of Scheduled Quantities: At the end of

each gas day, Transporter will provide the final

scheduled quantities for the just completed gas day.

Receivers of the end of gas day Scheduled Quantity

document can waive the sender's sending of the end of gas

day Scheduled Quantity document.