Colorado Interstate Gas Company

First Revised Volume No. 1

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

Twenty-Eighth Revised Sheet No. 10 Twenty-Eighth Revised Sheet No. 10

Superseding: Twenty-Seventh Revised Sheet No. 10

STATEMENT OF RATES FOR TRANSPORTATION/STORAGE OF NATURAL GAS

(Continued)

Rates per Dth

(Note 1)

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

Surcharge Minimum Maximum

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

Gas Quality Control Surcharge(s) (Note 5):

Valley Line Gas Quality Control Surcharge ("VL-GQC")

Primary Firm Entitlement Reservation Rate (Monthly) $0.0000 $0.5000

Commodity Rate ................................... $0.0100 $0.0100

Interruptible, Small Customer and Secondary Capacity

GQC Commodity Rate ............................. $0.0700 $0.0700

High Plains Gas Quality Control Surcharge ("HP-GQC")

Primary Firm Entitlement Reservation Rate (Monthly) $0.0000 $0.5000

Commodity Rate ................................... $0.0100 $0.0100

Interruptible and Secondary Capacity GQC

Commodity Rate ................................... $0.0700 $0.0700