Colorado Interstate Gas Company

First Revised Volume No. 1

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

Tenth Revised Sheet No. 406A Tenth Revised Sheet No. 406A

Superseding: Ninth Revised Sheet No. 406A

FORM OF TRANSPORTATION - STORAGE BALANCING SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE TSB-Y

(Continued)

EXHIBIT A

to

TRANSPORTATION - STORAGE BALANCING SERVICE AGREEMENT

RATE SCHEDULE TSB-Y

Between

COLORADO INTERSTATE GAS COMPANY

and

_______________________________

(Shipper)

DATED:________

1. Shipper's Maximum Delivery Quantity ("MDQ"): See ¶_.

2. Shipper's Young Maximum Available Capacity ("YMAC"): See ¶_.

3. Shipper's Young Maximum Daily Injection Quantity ("YMDIQ"): See ¶_.

4. Shipper's Young Maximum Daily Withdrawal Quantity ("YMDWQ"): See ¶_.

The following data elements shall be described on this Exhibit A, as

applicable:

Primary Point(s) of Delivery

Effective Dates (See ¶_)

Primary Point(s) of Delivery Quantity (Dth per Day) (1)

Minimum Delivery Pressure p.s.i.g. (2)

Maximum Delivery Pressure p.s.i.g. (2)

NOTES: (1) The sum of the Delivery Quantities at Point(s) of Delivery

shall not be greater than Shipper's MDQ.

(2) Pressure conditions shall be in accordance with Section 5.4 of

the General Terms and Conditions of the Tariff.