Southern Star Central Gas Pipeline, Inc.

Original Volume No. 1

Effective Date: 05/01/2003, Docket: RP03-352-000, Status: Effective

Original Sheet No. 513 Original Sheet No. 513 : Effective

EXHIBIT _____

ELECTRONIC DATA INTERCHANGE TRADING PARTNER AGREEMENT

DATE: _____________________________

TO BE EFFECTIVE: _________________________ (DATE)

COVERING TRANSACTION SET IDENTIFIER: ________________

2. STANDARDS: Specify all applicable standards and the issuing

organization.

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Selected standards include, as applicable, all data dictionaries,

segment dictionaries and transmission controls referenced in those

standards for the transaction contained in this Exhibit.

3. INDUSTRY GUIDELINES: Specify all applicable published industry

guidelines.

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The mutually agreed provisions of this Exhibit shall control in the

event of any conflict with any listed industry guidelines.

4. SECURITY PROCEDURES: (Define security procedures, including but not

limited to encryption and authentication, if any.)

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5. TERMS AND CONDITIONS: (If no special terms and conditions have been

agreed upon, enter "None".)

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6. DATA RETENTION: (If no special data retention procedures have been

agreed upon, enter "None".)

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7. REFERENCED AGREEMENTS: (As required by Section 3.1 of the referenced

Agreement. Parties to place a list of type(s) of agreements, as well as

language which provides for the incorporation into this Exhibit of all

agreements of specified type(s) which are executed subsequent to

ratification of this Exhibit.)

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