Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

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Effective Date: 02/28/2003, Docket: RP03-239-000, Status: Effective

Original Sheet No. 806 Original Sheet No. 806 : Effective

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 Frame (minutes)

(FA) Or Response

document (RD) Supported?

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