Colorado Interstate Gas Company

First Revised Volume No. 1

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Effective Date: 06/01/2010, Docket: RP10-689-000, Status: Effective

Second Revised Sheet No. 428A Second Revised Sheet No. 428A

Superseding: First Revised Sheet No. 428A

FORM OF INTERRUPTIBLE PARKING AND LENDING SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE PAL-1

(Continued)

EXHIBIT A

to

INTERRUPTIBLE PARKING AND LENDING SERVICE AGREEMENT

RATE SCHEDULE PAL-1

between

COLORADO INTERSTATE GAS COMPANY

and

______________________________

(Shipper)

DATED: __________________

The following data elements shall be described on this Exhibit A, as

applicable:

Pooling Area (1)

Park and Loan Point (1)

Commodity Rate (1) (2)

Maximum Quantity (1)

Effective Dates (1) (See ¶_)

Surcharges (3)

NOTES: (1) The Pooling Area, Park and Loan Point, Commodity Rate, Maximum

Quantity and Effective Dates shall be as listed on this version

of Exhibit A on Transporter's Electronic Bulletin Board, and

may be modified periodically. Shipper and Transporter agree

that the electronic version(s) of Exhibit A shall be

incorporated into this Agreement. The electronic version of

Exhibit A shall be considered to be a "writing" or "in writing"

pursuant to applicable law. The Parties agree not to contest

the validity or enforceability of the Agreement on the basis of

the fact that Exhibit A is maintained and amended

electronically. Neither Party shall contest the admissibility

of copies of Exhibit A under either the business records

exception to the hearsay rule or the best evidence rule on the

basis that the Exhibit A was not originated or maintained in

documentary form. Shipper shall be required to confirm Exhibit

A electronically before it becomes effective.