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. 507 Second Revised Sheet No. 507 : Effective

Superseding: First Revised Sheet No. 507

MIDWESTERN GAS TRANSMISSION COMPANY

EXHIBIT _____

ELECTRONIC DATA INTERCHANGE TRADING PARTNER AGREEMENT

DATED _______________

TO BE EFFECTIVE _________________________ (DATE)

4. Transaction Sets:

Complete table for all applicable transaction sets (Refer to the NAESB Home Page (www.naesb.org) for the current list

of transaction set numbers and document names).

SENDING PARTY's RECEIVING PARTY's

TRANSACTION NATURAL GAS ISA ISA Functional

SET NUMBER DOCUMENT NAME Qualifier ISA ID GS ID Qualifier ISA ID GS ID Acknowledgment

(FA) or Responsive

Document (RD)

Supported

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