Colorado Interstate Gas Company

First Revised Volume No. 1

Effective Date: 11/15/1996, Docket: RP97- 27-000, Status: Effective

First Revised Sheet No. 132A.13 First Revised Sheet No. 132A.13 : Effective

Superseding: Original Sheet No. 132A.13

FORM OF FIRM TRANSPORTATION SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE TF-4

(Continued)

EXHIBIT "B"

NOTES: (3) Surcharges, If Applicable:

All applicable surcharges, unless otherwise specified, shall be

the maximum surcharge rate as stated in the Schedule of

Surcharges and Fees in The Tariff, as such surcharges may be

changed from time to time.

GQC:

The Gas Quality Control Surcharge shall be assessed pursuant

to Article 20 of the General Terms and Conditions as set forth

in The Tariff.

GRI:

The GRI Surcharge shall be assessed pursuant to Article 18 of

the General Terms and Conditions as set forth in The Tariff.

HFS:

The Hourly Flexibility Surcharge will be assessed to Article

20 of the General Terms and Conditions set forth in The

Tariff.

Order No. 636 Transition Cost Mechanism:

Surcharge(s) shall be assessed pursuant to Article 21 of the

General Terms and Conditions as set forth in The Tariff.

ACA:

The ACA Surcharge shall be assessed pursuant to Article 19 of

the General Terms and Conditions as set forth in The Tariff.