Reliant Energy Gas Transmission Company

Fifth Revised Volume No. 1

Effective Date: 12/01/2002, Docket: RP03- 60-000, Status: Effective

First Revised Sheet No. 217A First Revised Sheet No. 217A : Effective

Superseding: Original Sheet No. 217A

RATE SCHEDULE PHS

PERRYVILLE HUB SERVICE

(continued)

4. FLEXIBILITY OF RATES:

The applicable maximum (Base Rate plus other applicable charges) and

minimum rates and charges for service under this Rate Schedule are

specified in Transporter's Statement of Effective Rates and Charges for

Transportation of Gas contained in this Tariff. Any discount from the

maximum rate applicable to any service shall be in accordance with terms

and conditions agreed to and as specified by Transporter. Said rates

are subject to adjustment as provided in the General Terms and

Conditions. From time to time, Transporter may post on its Internet web

site generally applicable discounts for service under this Rate

Schedule. In such case, Shipper will pay the rate posted at the time

its nomination is received and its Service Agreement shall be deemed to

be so amended. Additionally, as part of the discount arrangement for a

parking or loaning transaction, the parties may agree to pay an advance

fee to lock-in a discounted rate which would be applicable to a

particular transaction and/or for a specified period or quantity.