Western Gas Interstate Company

Fourth Revised Volume No. 1

Effective Date: 06/01/1997, Docket: RP97-160-001, Status: Effective

First Revised Sheet No. 116 First Revised Sheet No. 116 : Effective

Superseding: ORIGINAL SHEET NO. 116

RATE SCHEDULE FT-N

FIRM TRANSPORTATION SERVICE - NORTHERN DIVISION

(continued)

this service is rendered; provided, however that

the firm character of service shall not be subject

to change hereunder, or (c) any provisions of the

General Terms and Conditions applicable to Rate

Schedule FT-N. Western agrees that Shipper may

protest or contest the aforementioned filings, or

seek authorization from duly constituted

regulatory authorities for such adjustment of

Western's existing FERC Gas Tariff as may be found

necessary in order to assure that the provisions

in (a), (b) or (c) above are just and reasonable.

5.3 For all natural gas service rendered hereunder,

Shipper shall pay Western each month the sum of

the charges listed below, if applicable:

(a) Reservation Charge: An amount determined as

the unit amount identified as the Reservation

rate in dollars per Dth set forth from time

to time on the currently effective Sheet No.

10 of this Fourth Revised Volume No. 1, or

superseding tariff, which sheet is

incorporated herein by reference, multiplied

by Shipper's Maximum Daily Transportation

Quantity, as stated in Shipper's FT-N Service

Agreement.

(b) Commodity Charge: An amount determined as

the Commodity rate in dollars per Dth set

forth from time to time on the currently

effective Sheet No. 10 of this Fourth Revised

Volume No. 1, or superseding tariff,

multiplied by the quantity of gas transported

to or for the account of Shipper by Western

during the applicable Billing Month.

Adjustment Surcharge rate multiplied by the

quantity of gas delivered to or for the

account of Shipper by Western during the

applicable Billing Month.