Colorado Interstate Gas Company

First Revised Volume No. 1

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

Fourth Revised Sheet No. 63 Fourth Revised Sheet No. 63

Superseding: Third Revised Sheet No. 63

RATE SCHEDULE TF-HP

HIGH PLAINS TRANSPORTATION SERVICE - FIRM

1. AVAILABILITY

1.1 This Rate Schedule is available to any Party (hereinafter referred

to as "Shipper") for the Transportation of natural Gas on a firm

basis by Transporter from a Point of Receipt on the High Plains

System to a Point of Delivery on the High Plains System when:

(a) Shipper makes a complete request for Transportation Service in

accordance with Section 4 of the General Terms and Conditions;

(b) Transporter has determined that, other than necessary tap(s),

valves, measurement equipment and other minor facilities

necessary to effectuate service at any new or existing Point of

Receipt or Delivery on the High Plains System (which

Transporter shall provide upon written request and on a not

unduly discriminatory basis at reasonable, mutually agreeable

locations which will not adversely affect the existing

operation of Transporter's system or significantly alter the

operation of the pipeline system), Transporter has available or

will secure sufficient uncommitted capacity to provide the

service requested by Shipper as well as Transporter's other

High Plains firm service commitments;

of the General Terms and Conditions, including the

creditworthiness conditions specified in Section 4.14 of the

General Terms and Conditions; and

(d) Shipper and Transporter have executed a Firm Transportation

Service Agreement (Agreement) pursuant to the terms of this

Rate Schedule.