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. 805 Original Sheet No. 805 : Effective

EXHIBIT ________

ELECTRONIC DATA INTERCHANGE TRADING PARTNER AGREEMENT

DATED ______________

TO BE EFFECTIVE ________________ (date)

3. Communication Specifics:

Company Name: ________________________________________________________________________

EDI Contact Phone Number: ____________________________________________________________

Provider Name: _______________________________________________________________________

Receipt Computer URL (include host name or IP address, any non standard port, directory

and program name as necessary): ______________________________________________________

Basic Authentication User id: ________________________________________________________

Basic Authentication Password: _______________________________________________________

HTTP to/from Tag: ____________________________________________________________________

Is the "transaction set" supported in the HTTP envelope (Yes/No)? ____________________

Company Name: ________________________________________________________________________

EDI Contact Phone Number: ____________________________________________________________

Provider Name: _______________________________________________________________________

Receipt Computer URL (include host name or IP address, any non standard port, directory

and program name as necessary): _______________________________________________________

Basic Authentication User id: ________________________________________________________

Basic Authentication Password: _______________________________________________________

HTTP to/from Tag: ____________________________________________________________________

Is the "transaction set" supported in the HTTP envelope (Yes/No)? ____________________

[Parties should execute a separate Exhibit for each different URL.]