Colorado Interstate Gas Company

First Revised Volume No. 1

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

Seventh Revised Sheet No. 177 Seventh Revised Sheet No. 177

Superseding: Sixth Revised Sheet No. 177

RATE SCHEDULE SS-HP

HIGH PLAINS INTERRUPTIBLE SWING SERVICE

1. AVAILABILITY

1.1 This Rate Schedule is available to any Operator, as defined in

Section 1 of the General Terms and Conditions of this Tariff that

currently receives or will receive Gas at a Point of Delivery on

High Plains. This service will be provided by Transporter, and

provides for quantity swings for eligible Operators on an

interruptible basis and subject to available capacity, when the

Operator desires swing service, and when:

(a) Operator has made a request for High Plains Interruptible Swing

Service pursuant to the provisions set forth in Section 4 of

the General Terms and Conditions ("GT&C");

(b) Operator has met the service requirements specified in Section

4 of the General Terms and Conditions, including the

creditworthiness conditions specified in Section 4.14 of the

General Terms and Conditions; and

Interruptible Swing Service Agreement ("Agreement") pursuant to

the terms of this Rate Schedule.

2. APPLICABILITY AND CHARACTER OF SERVICE

2.1 This Rate Schedule SS-HP is available to any Operator and shall

allow the Operator to receive more or less than the Scheduled

Quantities of Gas at Point(s) of Delivery on High Plains. Nominated

Transportation Service shall be allocated based on the Scheduled

Quantities of the underlying transportation service agreement(s).

Quantities Delivered above or below daily Scheduled Quantities shall

be allocated to the Agreement and shall be subject to the provisions

of the Agreement and the GT&C.

2.2 Swing Service hereunder is interruptible and subject to interruption

at any time. Such interruptions may be in effect for extended

periods of time. Swing Service shall be available when in

Transporter's reasonable judgment, Transporter has capacity

available to provide such service without detriment or disadvantage

to Transporter's firm obligations, or system operational needs.

All Rate Schedule SS-HP Points of Delivery and related Rate Schedule

SS-HP Shippers shall be posted on Transporter's electronic bulletin

board in advance of Transporter's use of such Points for Swing

Service. Such Points of Delivery shall be point(s) not serviced by

an Operational Balancing Agreement.