Reliant Energy Gas Transmission Company

Fifth Revised Volume No. 1

Effective Date: 06/01/2002, Docket: RP00-482-003, Status: Effective

First Revised Sheet No. 52 First Revised Sheet No. 52 : Effective

Superseding: Original Sheet No. 52

RATE SCHEDULE HFT

HOURLY FIRM TRANSPORTATION SERVICE

(continued)

Transporter may render the requested service on an

interruptible basis, subject to the terms of Rate Schedule

IT to the extent not inconsistent with the terms of this

Rate Schedule, if Transporter determines that it can do so

without adverse effect on its operations or its ability to

meet all its other obligations, and such quantities shall be

considered authorized Overrun Gas under this Rate Schedule.

(b) Unauthorized Overrun: All quantities transported for

Shipper's account which exceed the amount Shipper is

authorized to transport at any given time, other than

Overrun Gas authorized as described in Section 4.3(a) above,

shall be considered unauthorized.

4.4 Other Charges. A bill for a Service Month may also include

amounts attributable to filing and other fees, penalties and

charges as provided by this Tariff.

4.5 A bill for a Service Month may be adjusted in the event that

Shipper has Monthly Imbalances, as described in Section 5.7 of the

General Terms and Conditions.