Western Gas Interstate Company

Fourth Revised Volume No. 1

Effective Date: 11/01/2003, Docket: RP00-461-002, Status: Effective

First Revised Sheet No. 256 First Revised Sheet No. 256 : Effective

Superseding: Original Sheet No. 256

FORM OF SERVICE AGREEMENT

FOR FIRM TRANSPORTATION SERVICE

(continued)

and the Alternate Delivery Point(s) as set forth in Exhibit

C. The aggregate of the Maximum Daily Quantities for all

Delivery Point(s) set forth on Exhibit B and Exhibit C may

exceed Shipper's MDTQ, but shall not operate to increase

Shipper's MDTQ or Western's delivery obligation as set forth

in Article I of this Agreement.

ARTICLE V

Notices

5.1 All notices, payments and communications with

respect to this Agreement shall be in writing and sent to

the addresses stated below or at any other such address as

may hereafter be designated in writing:

ADMINISTRATIVE MATTERS:

Western: Western Gas Interstate Company

211 North Colorado

Midland, TX 79701-4696

Attention: Transportation and Exchange

Services

Shipper: _____________________________________________

_____________________________________________

PAYMENT BY WIRE TRANSFER:

Western: Western Gas Interstate Company

_______________________________Bank

Account No. _______________________

_______________________________, Texas