Colorado Interstate Gas Company

First Revised Volume No. 1

Effective Date: 05/01/2001, Docket: RP01-350-000, Status: Effective

First Revised Sheet No. 398 First Revised Sheet No. 398 : Effective

Superseding: Original Sheet No. 398

FORM OF TRANSPORTATION SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE TSW-1

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1, as the same may be amended or superseded from time to time ("the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

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

Shipper's right to protest the same.

5. Transportation Service: Transportation Service at and between Point of

Withdrawal and Primary Point(s) of Delivery shall be on a firm basis.

Receipt and Delivery of quantities at Secondary Point(s) of Receipt and/or

Secondary Point(s) of Delivery shall be in accordance with the Tariff.

6. Points of Receipt and Delivery: Shipper agrees to Tender Gas for

Transportation Service and Transporter agrees to accept Receipt Quantities

at the Primary Point(s) of Receipt identified in Exhibit "A". Transporter

agrees to provide Transportation Service and Deliver Gas to Shipper (or

for Shipper's account) at the Primary Point(s) of Delivery identified in

Exhibit "A".

7. Rates and Surcharges: As set forth in Exhibit "B". For example,

Transporter and Shipper may agree that a specified discount rate will

apply: (a) only to certain specified firm service entitlements under this

Agreement; (b) only if specified quantity levels are actually achieved

under this Agreement (with higher rates, charges, and fees applicable to

all quantities above those levels, or to all quantities under the

Agreement if the specified levels are not achieved); (c) only to

production reserves committed by the Shipper; (d) only during