Colorado Interstate Gas Company

First Revised Volume No. 1

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

Fourth Revised Sheet No. 14 Fourth Revised Sheet No. 14

Superseding: Third Revised Sheet No. 14

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

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

IS-T:

Phase 1 Interruptible Storage Rate (Applied monthly

To the average daily balance of Gas in storage for

Shipper's account during the Month) . . . . $0.0000 $0.3598

Quantity Injection Rate. . . . . . . . . . . $0.0850 $0.0850

Quantity Withdrawal Rate . . . . . . . . . . $0.0850 $0.0850

IS-T:

Phase 2 Interruptible Storage Rate (Applied monthly

To the average daily balance of Gas in storage for

Shipper's account during the Month) . . . . $0.0000 $0.3966

Quantity Injection Rate. . . . . . . . . . . $0.0937 $0.0937

Quantity Withdrawal Rate . . . . . . . . . . $0.0937 $0.0937

IS-T:

Phase 3 Interruptible Storage Rate (Applied monthly

To the average daily balance of Gas in storage for

Shipper's account during the Month) . . . . $0.0000 $0.3308

Quantity Injection Rate. . . . . . . . . . . $0.0782 $0.0782

Quantity Withdrawal Rate . . . . . . . . . . $0.0782 $0.0782