Colorado Interstate Gas Company

First Revised Volume No. 1

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

Fifth Revised Sheet No. 13C Fifth Revised Sheet No. 13C

Superseding: Fourth Revised Sheet No. 13C

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-1:

Reservation Rates -

R1 Rate (Monthly Rate)(Note 6)..................... $0.0000 $8.8823

Delivery ........................................ $0.0000 $4.6592

Storage ......................................... $0.0000 $1.5897

Daily Balances .................................. $0.0000 $1.5897

Hourly Flow Option .............................. $0.0000 $1.0438

Quantity Injection Rate. . . . . . . . . . . . . $0.0117 $0.0117

Commodity Delivery Rate. . . . . . . . . . . . . $0.0283 $0.0283

Daily Authorized Delivery Overrun Rate . . . . . $0.0283 $0.3342

Daily Authorized Injection/Withdrawal

Overrun Rate . . . . . . . . . . . . . . . . . . $0.0117 $0.2831

Daily Authorized Storage Capacity Overrun Rate . $0.0117 $0.2831

Hourly Authorized Overrun Rate . . . . . . . . . $0.0283 $0.1894

Daily Unauthorized Overrun Rate

Greater of 100 Dth or 3% of MDQ, MDIQ, MDWQ or MAC. $0.6684

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

(Non-Critical Condition). . . . . . . . . . . $0.6684

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

(Critical Condition). . . . . . . . . . . . . $3.3420

Hourly Unauthorized Overrun Rate

Greater of 100 Dth or 3% of HEA (Note 11)............ $0.6684

Greater of 100 Dth or 5% of HEA...................... $1.6710

Greater of 100 Dth or 10% of HEA..................... $3.3420