Colorado Interstate Gas Company

First Revised Volume No. 1

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

Fourth Revised Sheet No. 7B Fourth Revised Sheet No. 7B

Superseding: Third Revised Sheet No. 7B

STATEMENT OF RATES FOR TRANSPORTATION/STORAGE OF NATURAL GAS

(Continued)

Rates per Dth

(Note 1)

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

Rate Schedule Minimum Maximum

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

TF-HP Reservation Rate -

R1 (Monthly Rate)(Note 6).................... $0.0000 $4.1979

Daily Authorized Overrun Rate ............... $0.0012 $0.1392

TF-HP Commodity Rate.............................. $0.0012 $0.0012

TF-HP Daily Unauthorized Overrun Rate -

Greater of 100 Dth or 3% of MDQ.............. 2 times monthly

Spot Index Price

Greater of 2,500 Dth or 5% of MDQ 2 times monthly

(Non-Critical Condition) ............... Spot Index Price

Greater of 2,500 Dth or 5% of MDQ 10 times monthly

(Critical Condition) ................... Spot Index Price

TF-HP Hourly Unauthorized Overrun Rate -

Greater of 100 Dth or 3% of HEA (Note 11)......... $0.2784

Greater of 100 Dth or 5% of HEA................... $0.6960

Greater of 100 Dth or 10% of HEA.................. $1.3920