Colorado Interstate Gas Company

First Revised Volume No. 1

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

Sixteenth Revised Sheet No. 7 Sixteenth Revised Sheet No. 7

Superseding: Fifteenth Revised Sheet No. 7

STATEMENT OF RATES FOR TRANSPORTATION/STORAGE OF NATURAL GAS

Rates per Dth

(Note 1)

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

Rate Schedule Minimum Maximum

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

TF-1 Reservation Rate -

R1 (Monthly Rate)(Note 6).................... $0.0000 $9.6477

Daily Authorized Overrun Rate ............... $0.0170 $0.3342

Hourly Authorized Overrun Rate............... $0.0170 $0.3342

TF-1 Commodity Rate............................... $0.0170 $0.0170

TF-1 Daily Unauthorized Overrun Rate -

Greater of 100 Dth or 3% of MDQ.............. 2 times TI-1 Maximum

Commodity Rate

Greater of 2,500 Dth or 5% of MDQ 2 times TI-1 Maximum

(Non-Critical Condition) ............... Commodity Rate

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

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

TF-1 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