Midwestern Gas Transmission Company

Third Revised Volume No. 1

Effective Date: 07/09/2004, Docket: RP04-325-000, Status: Effective

Second Revised Sheet No. 423 Second Revised Sheet No. 423 : Effective

Superseding: First Revised Sheet No. 423

MIDWESTERN GAS TRANSMISSION COMPANY

EXHIBIT A

TO THE OPERATIONAL BALANCING AGREEMENT

(FOR USE AT RECEIPT POINTS)

DATED ____________________________

Balancing Party's

Receipt Point(s) DRN(s) Balancing Role*

___________________ _____________________ _____________________

If Balancing Party will serve as an Aggregator, producers for whom it will aggregate

hereunder and corresponding DRN(s) are as follows:

__________________________________________________________________________________

Notice(s) shall be provided in accordance with Subsection 11.1 of the General Terms and

Conditions of Company's FERC Gas Tariff.

*Balancing Party must state the role that it will play at each Receipt Point as either

producer, Operator or Aggregator.

MIDWESTERN GAS TRANSMISSION COMPANY

BY: ________________________________________

TITLE: _____________________________________

(Balancing Party)

____________________________________________

BY: ________________________________________

TITLE: _____________________________________

(This Exhibit A supersedes and cancels Exhibit A dated ________________ to the Operational

Balancing Agreement dated ____________________.)