Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

Effective Date: 09/01/2006, Docket: RP06-433-000, Status: Effective

First Revised Sheet No. 228 First Revised Sheet No. 228 : Effective

Superseding: Original Sheet No. 228

RATE SCHEDULE PS

POOLING SERVICE

1. AVAILABILITY:

This Rate Schedule is available to any party (hereinafter referred to as

Pool Manager) that requests pooling service from Transporter when:

(a) Transporter has received, reviewed and accepted a complete request

for service containing the items listed commencing on Sheet No.

697 of this Tariff. Complete requests received in writing or via

electronic means using the Internet shall be sufficient;

(b) Pool Manager and Transporter have either executed a pooling

Service Agreement in the form on Sheet No. 770 of this Tariff,

which may be via electronic means using the Internet. For written

agreements, the requirements of this Section 1(b) shall be

satisfied if Pool Manager has tendered a letter or other writing

evidencing its agreement to execute such a Service Agreement

(which shall constitute its Service Agreement for purposes of this

Tariff until such time as it executes a Service Agreement); and

its Service Agreement and all other applicable provisions of this

Tariff.

Service under this Rate Schedule shall be subject to interruption, in

whole or in part, at any time and available subject to capacity

constraints and operational conditions. Transporter shall have no

obligation to provide service hereunder on any Day if it determines that

to do so may interfere with its ability to meet its other obligations or

that it may have an adverse effect on Transporter's operations.

2. APPLICABILITY AND CHARACTER OF SERVICE:

2.1 General.

(a) Pooling shall consist of the aggregation of supplies from

Receipt Point(s) into one or more Pools under Pool Manager's

Service Agreement at the initial point of entry into

Transporter's Transmission System. Shippers transporting

Gas may utilize Pools as Receipt Points under their Service

Agreements in accordance with the applicable provisions of

this Tariff.