Colorado Interstate Gas Company

First Revised Volume No. 1

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

Third Revised Sheet No. 8D Third Revised Sheet No. 8D

Superseding: Second Revised Sheet No. 8D

STATEMENT OF RATES FOR TRANSPORTATION/STORAGE OF NATURAL GAS

(Continued)

Rates per Dth

(Note 1)

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

Rate Schedule Minimum Maximum

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

TI-HP:

Commodity Rate ...................................... $0.0012 $0.1392

TI-HP Daily Unauthorized Interruptible Overrun Rate

Above the greater of 100 Dth or 5% of Confirmed

Delivery Quantity ................................. 2 times monthly

Spot Index Price

Above the greater of 2,500 Dth or 6% of Confirmed

Delivery Quantity (Non-Critical Condition)........ 2 times monthly

Spot Index Price

Above the greater of 2,500 Dth or 6% of Confirmed

Delivery Quantity (Critical Condition)............ 10 times monthly

Spot Index Price

TI-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