Viking Gas Transmission Company

First Revised Volume No. 1

Effective Date: 02/01/1998, Docket: RP97-156-005, Status: Effective

Original Sheet No. 160 Original Sheet No. 160 : Superseded

Page _____ of _____

EXHIBIT I-XXX (Sequential Number)

ELECTRONIC DATA INTERCHANGE TRADING PARTNER AGREEMENT

DATED ___________________

TO BE EFFECTIVE ____________________ (date)

COVERING TRANSACTION SET NUMBER _________________

f) Verification procedures to confirm appropriate exchange of public encryption keys

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g) Other

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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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