Colorado Interstate Gas Company

First Revised Volume No. 1

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

Fifth Revised Sheet No. 452 Fifth Revised Sheet No. 452

Superseding: Fourth Revised Sheet No. 452

FORM OF HEADSTATION POOLING SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE HSP-1

(Continued)

Agreement No.________

Headstation Pooling Agreement

______________________________Rate Schedule HSP-1_____________________________

DATED:_________________

The Parties identified below, in consideration of their mutual promises,

agree as follows:

1. Transporter: COLORADO INTERSTATE GAS COMPANY

2. Pooler:_____________________________________

3. Applicable Tariff: Transporter's FERC Gas Tariff, First Revised Volume No.

1, as the same may be amended or superseded from time to time ("the

Tariff"). Capitalized terms used in this Agreement and not defined

elsewhere have the meanings given to them in the Tariff.

4. Changes in Rates and Terms. Transporter shall have the right to propose to

the FERC changes in its rates and terms of service, and this Agreement

shall be deemed to include any changes which are made effective pursuant

to FERC Order or regulation or provisions of law, without prejudice to

Pooler's right to protest the same.

5. Point(s) of Receipt and Delivery:

All Point(s) of Receipt included on Transporter's master list of Point(s)

of Receipt related to Transporter's Pooling Areas and Pools as posted on

Transporter's Electronic Bulletin Board.

For each Point of Receipt, data posted shall include a description of the

legal location, pressure information, the identity of the interconnected

Party and the measuring Party, and such other data as Transporter may

include from time to time. Transporter's master list of Point(s) of

Receipt shall be updated from time to time in order to add or delete

and/or modify data pertinent to Point(s) of Receipt, all as deemed

appropriate by Transporter.

6. Rates and Surcharges: As set forth in Exhibit A. Transporter and Shipper

may also agree to a discount using one of the discount types described in

Section 4.16 of the General Terms and Conditions of the Tariff.