Colorado Interstate Gas Company

First Revised Volume No. 1

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

Second Revised Sheet No. 228A.01 Second Revised Sheet No. 228A.01

Superseding: First Revised Sheet No. 228A.01

GENERAL TERMS AND CONDITIONS

(Continued)

1.2 Continued

(f) Shippers must have adequate Transportation capacity to

deliver gas to storage for injection using either the

Standard or High ADIQ.

(g) The Standard and High Available Daily Injection Quantity

Curves and Standard and High Available Daily Injection

Quantity Tables in this Section 1.2 are provided for

illustrative purposes only.

(h) AVAILABLE DAILY INJECTION QUANTITY FORMULAS.

THE STANDARD AVAILABLE DAILY INJECTION QUANTITY FORMULA

%MDIQ = 100 - (0.31 * %MAC)

THE HIGH AVAILABLE DAILY INJECTION QUANTITY FORMULA

%MDIQ = 124.8 - (0.36 * %MAC)

NOTE:The STANDARD formula applies only from 100% of a

Shipper's MAC to 0% of a Shipper's MAC.

NOTE:In the context of these formulas, the %MAC and %MDIQ

values are taken as whole numbers, and not as decimal

only numbers (i.e. use 40.0 not .40 or use 36.1234 not

0.361234).

NOTE:To calculate ADIQ from these formulas: ADIQ =

{"%MDIQ from formula"/100)* "The 100% MDIQ Value}

Rounded to the nearest whole Dekatherm (an integer).