Colorado Interstate Gas Company

First Revised Volume No. 1

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Effective Date: 11/05/2008, Docket: CP07-207-003, Status: Effective

Fourteenth Revised Sheet No. 229 Fourteenth Revised Sheet No. 229

Superseding: Sub Thirteenth Revised Sheet No. 229

GENERAL TERMS AND CONDITIONS

(Continued)

1.4 "Available Hourly Withdrawal Quantity" or "AHWQ" shall mean the

maximum amount of Gas available to Shipper in any hour that

Transporter may be required to withdraw from storage for Shipper's

account. AHWQ shall equal 1/24th of Shipper's ADWQ.

1.5 Average Thermal Content of Gas in Storage ("ATC") shall be

calculated by dividing the Dekatherms by the Volume, in Mcf, in

Transporter's Storage Fields, excluding base Gas, at the point in

time. The ATC shall be assumed to be 1,000 Btu per cubic foot for

purposes of contract entitlement and rate design.

(a) Transporter shall monitor storage injections and withdrawals

and calculate the actual ATC of Gas in CIG Mainline Storage

on September 30 of each year. If the actual ATC deviates from

the currently effective ATC by more than plus or minus 20 Btu

per cubic foot, the actual ATC shall become the new effective

ATC and shall be posted on Transporter's electronic bulletin

board and on Transporter's Web Site under Informational

Postings, by October 15 of each year, and a corresponding

adjustment will be made, as applicable to Shipper's MDIQ,

MDWQ and MAC entitlements. Transporter shall also adjust the

related Transportation entitlement to Point(s) of Delivery

under Rate Schedules NNT-1 and NNT-2 to the extent capacity

is available. Transporter may make these annual adjustments

for smaller changes in Btu per cubic foot values if in

Transporter's judgment such change is required to avoid

system disruption.

(b) Upon notice of a change to the Young Storage ATC of a

deviation from the currently effective Young Storage ATC by

more than plus or minus 20 Btu per cubic foot, the posted

Young Storage ATC shall become the new effective High Plains

ATC and shall be posted on Transporter's electronic bulletin

board and and a corresponding adjustment will be made, as

applicable, to Shippers' YMDIQ, YMDWQ and YMAC entitlements.

Transporter shall also adjust the related Transportation

entitlement to Point(s) of Delivery under Rate Schedule TSB-Y

to the extent capacity is available. Transporter may make

annual adjustments for smaller changes in Btu per cubic foot

values if corresponding changes are made by Young Storage.