Reliant Energy Gas Transmission Company

Fourth Revised Volume No. 1

Effective Date: 05/01/1997, Docket: RP97- 61-002, Status: Effective

First Revised Sheet No. 201 First Revised Sheet No. 201 : Effective

Superseding: Original Sheet No. 201

GENERAL TERMS AND CONDITIONS

(continued)

deletions, substitutions or additions of

Primary Delivery Point(s) within thirty

(30) days of Transporter's receipt of

such request from Shipper. A Shipper

receiving discounted service shall not

be entitled to received discounted rates

for deliveries at substituted or changed

Primary Delivery Points, unless

Transporter and Shipper expressly agree.

(b) Pressure. Transporter shall tender for

delivery and Shipper shall receive the Gas at

whatever working pressures are maintained in

Transporter's system at the Point(s) of

Delivery from time to time. In no event,

however, shall Transporter be obligated to

tender for delivery or shall Shipper receive

Gas at a pressure greater than the maximum

(not to exceed the applicable MAOP) or less

than the minimum pressure specified, if any,

in the Service Agreement.

Shipper shall receive Gas transported

hereunder at rates as constant as

operationally feasible and consistent with

the corresponding delivery nominations

throughout each Day and throughout each

Service Month, provided however, said

constant rate obligation shall not be

interpreted to limit the Shipper's exercise

of its on-demand no-notice rights under Rate

Schedule NNTS.

5.5 Delivery Nominations and Scheduling. Unless there

is an operational balancing agreement in effect at

the Delivery Point, one of the following standard

allocation methodologies, inter alia, will be

determined in accordance with GISB Standards

after or during confirmation and prior to gas

flow. Pursuant to GISB Standard 2.3.16, the list of

allocation methodology types agreed upon is as

follows: