Colorado Interstate Gas Company

First Revised Volume No. 1

Effective Date: 03/01/2008, Docket: RP07-666-000, Status: Suspended

Second Revised Sheet No. 380L Second Revised Sheet No. 380L : Suspended

Superseding: First Revised Sheet No. 380L

GENERAL TERMS AND CONDITIONS

(Continued)

Article 42.5(a) - FUEL AND L&U (Continued)

(iii) (Continued)

(1) The value of the Cost and Revenue True-up Adjustment

shall be determined by using Transporter's accounting

practices and shall use actual prices paid or

received when applicable and otherwise shall use the

average Cash Out Index Price for the month to value

net gas quantities. After the monthly cost and

revenue activity has been accumulated, the sum of the

monthly activity shall be divided by the average Cash

Out Index Price for the twelve-month data collection

period to derive a Cost and Revenue True-up quantity.

(iv) The twelve-month data collection period for

Transportation Fuel Gas, Lost, Unaccounted-For and Other

Fuel Gas and Rate Schedule CS-1 Cheyenne Firm Compression

Fuel Gas will commence July 1, 2006. This twelve-month

period will be used to calculate the volumetric true up

adjustment in the annual filing effective October 1,

2007. The twelve-month data collection period for

Transportation Fuel Gas, Lost, Unaccounted-For and Other

Fuel Gas effective October 1, 2008 shall consist of (1) a

period from July 1, 2007 to June 30, 2008 using the

tariff provisions accepted in RP05-618 (volumetric true-

up) and (2) a period from October 1, 2007 through June

30, 2008 reflecting the volumetric true-up and the Cost

and Revenue True-Up Adjustment. The twelve-month data

collection period for Transportation Fuel Gas, Lost,

Unaccounted-For and Other Fuel Gas effective October 1,

2009, and each year thereafter, will consist of the

volumetric true-up and the Cost and Revenue True-Up

Adjustment for the previous twelve months ending June 30.

(v) The twelve-month data collection period for Storage Fuel

Gas shall commence January 1, 2006 and be applied to the

reimbursement percentage effective October 1, 2007.

(vi) The Lost, Unaccounted For and Other Fuel Gas true up

filed workpapers will reflect the treatment of any Excess

L&U Quantity.