Colorado Interstate Gas Company

First Revised Volume No. 1

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

First Revised Sheet No. 174B First Revised Sheet No. 174B

Superseding: Original Sheet No. 174B

RATE SCHEDULE SS-1

Interruptible Swing Service

(Continued)

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-1 Points of Delivery and related Rate Schedule

SS-1 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

"No Notice" Service or an Operational Balancing Agreement.

3. INTERRUPTIBLE SWING SERVICE CHARGE

3.1 Applicable Rates: The rates for service hereunder shall, subject to

other provisions hereof, be the rates agreed to by Transporter and

Operator as set forth in Exhibit "A" to the Agreement, provided that

such rates shall not be less than the minimum nor more than the

maximum rates for service pursuant to this Rate Schedule, or any

effective superseding tariff on file with the FERC.

3.2 Commodity Charge. The Operator shall be charged an amount each Month

obtained by multiplying a Commodity Rate as set forth in Exhibit A

to the Agreement by the end-of-Day quantities allocated to the

Agreement at each designated Point of Delivery which exceeds the

greater of 5 percent or 100 Dth of the Daily total Scheduled

Quantities at such Points of Delivery during the Month.

3.3 Adjustment of Rates: Subject to the terms of the Agreement,

Transporter reserves the right to prescribe and/or to adjust at any

time any of the rates applicable to any individual Operator without

adjusting any other rates for that or another Operator; provided,

however, that such adjusted rate shall not exceed the