Colorado Interstate Gas Company

First Revised Volume No. 1

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

Seventh Revised Sheet No. 8C Seventh Revised Sheet No. 8C

Superseding: Sixth Revised Sheet No. 8C

STATEMENT OF RATES FOR TRANSPORTATION/STORAGE OF NATURAL GAS

(Continued)

Rates per Dth

(Note 1)

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Rate Schedule Minimum Maximum

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FS-T: (Note 12)

Phase 1 - Reservation Rates

Storage Capacity Rate (Monthly Rate)(Note 6)...... $0.0000 $0.1799

Reservation Rate (Monthly Rate)(Note 6)........... $0.0000 $7.1966

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

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

Daily Authorized Injection/Withdrawal Overrun Rate.. $0.1700 $0.4448

Daily Authorized Storage Capacity Overrun Rate...... $0.1700 $0.4448

Phase 2 - Reservation Rates

Storage Capacity Rate (Monthly Rate)(Note 6)...... $0.0000 $0.1983

Reservation Rate (Monthly Rate)(Note 6)........... $0.0000 $5.9487

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

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

Daily Authorized Injection/Withdrawal Overrun Rate.. $0.1874 $0.4903

Daily Authorized Storage Capacity Overrun Rate...... $0.1874 $0.4903

Phase 3 - Reservation Rates

Storage Capacity Rate (Monthly Rate)(Note 6)...... $0.0000 $0.1654

Reservation Rate (Monthly Rate)(Note 6)........... $0.0000 $5.7898

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

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

Daily Authorized Injection/Withdrawal Overrun Rate.. $0.1564 $0.4090

Daily Authorized Storage Capacity Overrun Rate...... $0.1564 $0.4090