Colorado Interstate Gas Company

First Revised Volume No. 1

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

Second Revised Sheet No. 13G Second Revised Sheet No. 13G

Superseding: First Revised Sheet No. 13G

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

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

FS-1:

Reservation Rates -

Storage Capacity Rate(Monthly Rate)(Note 6). . $0.0000 $0.2072

Reservation Rate (Monthly Rate)(Note 6). . . . $0.0000 $1.2217

Hourly Rates of Flow Option(Monthly Rate)(Note 6) $0.0000 $0.3088

Quantity Injection Rate. . . . . . . . . . . . . $0.0117 $0.0117

Quantity Withdrawal Rate . . . . . . . . . . . . $0.0117 $0.0117

Daily Authorized Injection/Withdrawal

Overrun Rate . . . . . . . . . . . . . . . . . . $0.0117 $0.6405

Daily Authorized Storage Capacity Overrun Rate. . $0.0117 $0.6405

FS-Y:

Reservation Rates -

Storage Capacity Rate(Monthly Rate). . . . . . $0.0000 $0.0615

Reservation Rate (Monthly Rate). . . . . . . . $0.0000 $1.6292

Quantity Injection Rate. . . . . . . . . . . . . $0.0209 $0.0209

Quantity Withdrawal Rate . . . . . . . . . . . . $0.0209 $0.0209

Daily Authorized Injection/Withdrawal

Overrun Rate . . . . . . . . . . . . . . . . . . $0.0418 $0.1439

Daily Authorized Storage Capacity Overrun Rate. . $0.0418 $0.1439