Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

Effective Date: 08/27/2008, Docket: RP08-456-000, Status: Effective

First Revised Sheet No. 783 First Revised Sheet No. 783

Superseding: Original Sheet No. 783

FORM OF PREDETERMINED ALLOCATION AGREEMENT

THIS AGREEMENT is made and entered into by CenterPoint Energy Gas

Transmission Company ("CEGT") and ______________________

("PDA Operator") to be effective __________________.

Whereas, from time to time, quantities of Gas are [received into]

[delivered from] CEGT's system at the interconnection(s) between CEGT's

facilities and facilities owned and/or operated by PDA Operator at

location(s) listed on Exhibit A hereto.

Whereas, CEGT and PDA Operator desire to reach an agreement on the

allocation methodology of Gas received by [CEGT], [PDA Operator] at

those interconnection(s).

NOW, THEREFORE, CEGT and PDA Operator agree that such quantities will be

allocated using the following method:

In the event that the foregoing method results in Monthly Imbalances at the

location(s) listed on Exhibit A hereto which are not allocated by PDA Operator

to one or more valid Service Agreements, PDA Operator and CEGT shall cash-out

such Imbalances at the price and in the manner provided in Section 5.7(c)(ii)

of the General Terms and Conditions of CEGT's Tariff, or successor provisions

thereto. For purposes hereof, an Imbalance shall mean the difference between

the quantities of gas which CEGT [receives] [delivers] at the interconnections

specified on Exhibit A and the quantities nominated and allocated to valid

Service Agreements by PDA Operator at any time or during any period. A

Monthly Imbalance shall mean the Imbalance existing at the conclusion of any

Service Month under this Agreement. PDA Operator shall be required to comply

with the provisions of Section 14 of the General Terms and Conditions of

CEGT's Tariff. For purposes of Section 14.5 thereof, CEGT may require

security as provided for therein based on charges which may be assessed

hereunder. All terms used herein with capital letters shall have the meanings

ascribed to them in CEGT's Tariff, unless otherwise provided herein. The

existence or operation of this Agreement shall at no time undermine or

jeopardize CEGT's ability to maintain system and segment operations and

integrity in accordance with the provisions of its Tariff, including, but not

limited to, Section 20 (or any successor provisions) of the