Western Gas Interstate Company

Fourth Revised Volume No. 1

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

First Revised Sheet No. 270 First Revised Sheet No. 270 : Effective

Superseding: ORIGINAL SHEET NO. 270

FORM OF SERVICE AGREEMENT

FOR RELEASED CAPACITY FIRM

TRANSPORTATION SERVICE

(continued)

NOW THEREFORE, in consideration of the premises and of

the mutual covenants and agreements herein contained, the

sufficiency of which is hereby acknowledged, Western and

Replacement Shipper do covenant and agree as follows:

ARTICLE I

Quantity

1.1 The Maximum Daily Transportation Quantity (the

"MDTQ") shall be ____________ Dth per day, which shall be

Replacement Shipper's Reservation Charge billing

determinant, as specified in Section 12 of Western's Rate

Schedule RCS. The MDTQ shall be the largest daily quantity

of gas Replacement Shipper may tender for transportation in

the aggregate to all Receipt Points as specified on Exhibit

A hereto, exclusive of Retention Quantities if applicable,

and receive at all Primary Delivery Points as specified on

Exhibit B hereto, and/or at all Alternate Delivery Points as

specified on Exhibit C hereto, on any Day.

1.2 The Maximum Annual Transportation Quantity

("MATQ") shall be _______________________ Dth per Service

Year, which is the product of 365 days (or 366 days in a

leap year) and the MDTQ, as specified in Section 1.1.