Western Gas Interstate Company

Third Revised Volume No. 1

Effective Date: 06/01/1993, Docket: RS92- 53-003, Status: Effective

Revised Original Sheet No. 134 Revised Original Sheet No. 134 : Superseded

Superseding: Original Sheet No. 134

RATE SCHEDULE FT-DN

FIRM TRANSPORTATION SERVICE - DEL NORTE DIVISION

(continued)

5.2 Western shall have the unilateral right to file with the

appropriate regulatory authority and make changes

authorized by such authority in (a) the rates and charges

applicable to its Rate Schedule FT-DN, (b) Rate Schedule

FT-DN pursuant to which 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-DN. 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 MMBTU set forth from time to time on the currently

effective Sheet No. 10 of this Third 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-DN Service Agreement.

(b) Commodity Charge: An amount determined as the

Commodity rate in dollars per MMBTU set forth from

time to time on the currently effective Sheet No. 10

of this Third 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.

multiplied by the quantity of gas delivered to or for

the account of Shipper by Western during the

applicable Billing Month.