Colorado Interstate Gas Company

First Revised Volume No. 1

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

Second Revised Sheet No. 13D.01 Second Revised Sheet No. 13D.01

Superseding: First Revised Sheet No. 13D.01

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

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

TSB-Y:

Reservation Rates -

R1 Rate(Monthly Rate).............................. $0.0000 $7.7225

High Plains...................................... $0.0000 $4.3087

Storage Deliverability........................... $0.0000 $1.6292

Storage Capacity................................. $0.0000 $1.7846

Commodity Injection Rate............................. $0.0209 $0.0209

Commodity Delivery Rate.............................. $0.0221 $0.0221

Daily Authorized Delivery Overrun Rate .............. $0.0013 $0.1490

Daily Authorized Injection/Withdrawal Overrun Rate... $0.0209 $0.0536

Daily Authorized Storage Capacity Overrun Rate....... $0.0209 $0.0615

Daily Unauthorized Overrun Rate (Note 7) -

Greater of 100 Dth or 3% of MDQ, YMDIQ, YMDWQ or YMAC. $0.5200

Greater of 2,500 Dth or 5% of MDQ, YMDIQ, YMDWQ or YMAC

(Non-Critical Condition)..................... $1.3001

Greater of 2,500 Dth or 5% of MDQ, YMDIQ, YMDWQ or YMAC

(Critical Condition)......................... $2.6002