Colorado Interstate Gas Company

First Revised Volume No. 1

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

Eighth Revised Sheet No. 7A Eighth Revised Sheet No. 7A

Superseding: Seventh Revised Sheet No. 7A

STATEMENT OF RATES FOR TRANSPORTATION/STORAGE OF NATURAL GAS

(Continued)

Rates per Dth

(Note 1)

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

Rate Schedule Minimum Maximum

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

TF-4:

Commodity Rate...................................... $0.0170 $0.4399

Daily Authorized Overrun Rate....................... $0.0170 $0.4399

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

Hourly Unauthorized Overrun Rate

Greater of 100 Dth or 3% of HEA (Note 11).......... $0.8798

Greater of 100 Dth or 5% of HEA.................... $2.1995

Greater of 100 Dth or 10% of HEA................... $4.3990