Midwestern Gas Transmission Company

Third Revised Volume No. 1

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

Second Revised Sheet No. 436 Second Revised Sheet No. 436 : Effective

Superseding: First Revised Sheet No. 436

MIDWESTERN GAS TRANSMISSION COMPANY

OPERATIONAL BALANCING AGREEMENT

(For Aggregator at Delivery Points)

EXHIBIT A

to the Operational Balancing Agreement

dated _________________ between _________________________________,

(Aggregator) and Midwestern Gas Transmission Company, (Company)

Delivery Point Third Parties

__________________ __________________

__________________ __________________

__________________ __________________

__________________ __________________

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

Conditions of Company's FERC Gas Tariff.

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 ____________________.)