Colorado Interstate Gas Company

First Revised Volume No. 1

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

Eighth Revised Sheet No. 13D Eighth Revised Sheet No. 13D

Superseding: Seventh Revised Sheet No. 13D

STATEMENT OF RATES FOR TRANSPORTATION/STORAGE OF NATURAL GAS

FOOTNOTES

(Continued)

(Note 12 continued)

Base Rates per Dth

at 1000 Btu

------------------

Rate Schedule Minimum Maximum

------------- ------- -------

NNT-2:

Commodity Delivery Rate. . . . . . . . . . . . . $0.0000 $0.5369

Daily Authorized Delivery Overrun Rate. . . . . . $0.0283 $0.5369

Daily Authorized Injection/Withdrawal

Overrun Rate . . . . . . . . . . . . . . . . . . $0.0117 $0.5369

Daily Authorized Storage Capacity Overrun Rate. . $0.0117 $0.5369

Hourly Authorized Overrun Rate. . . . . . . . . . $0.0283 $0.5369

Daily Unauthorized Overrun Rate

Greater of 100 Dth or 3% of MDQ, MDIQ, MDWQ or MAC. $1.0738

Greater of 2,500 Dth or 5% of MDQ, MDIQ, MDWQ or MAC

(Non-Critical Condition). . . . . . . . . . . $1.0738

Greater of 2,500 Dth or 5% of MDQ, MDIQ, MDWQ or MAC

(Critical Condition). . . . . . . . . . . . . $5.3690

Hourly Unauthorized Overrun Rate

Greater of 100 Dth or 3% of HEA (Note 11).................. $1.0738

Greater of 100 Dth or 5% of HEA............................ $2.6845

Greater of 100 Dth or 10% of HEA........................... $5.3690