Colorado Interstate Gas Company

First Revised Volume No. 1

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

Fourth Revised Sheet No. 420 Fourth Revised Sheet No. 420

Superseding: Third Revised Sheet No. 420

FORM OF STORAGE SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE FS-Y

(Continued)

Agreement No._____________

Storage Service Agreement

______________________________Rate Schedule FS-Y______________________________

Dated: __________________

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

agree as follows:

1. Transporter: COLORADO INTERSTATE GAS COMPANY

2. Shipper: ______________________________

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1, as the same may be amended or superseded from time to time ("the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 such changes in its rates and terms of service as it deems

necessary, 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 Shipper's right to protest the same.

5. Storage Service: Subject to the provisions of this Agreement and

Transporter's Rate Schedule FS-Y, Transporter agrees to inject during the

Young Injection Period, store in Young Storage, and withdraw during the

Young Withdrawal Period Gas from Young Storage on a firm basis for the

account of Shipper.

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.