Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

Effective Date: 03/18/2010, Docket: RP10-383-000, Status: Effective

First Revised Sheet No. 384 First Revised Sheet No. 384

Superseding: Original Sheet No. 384

GENERAL TERMS AND CONDITIONS

(continued)

5.5 Delivery Nominations and Scheduling (continued)

A: ranked;

B. pro rata;

C. percentage;

D. swing; and

E. Operator provided value.

The types of allocation methodologies is a list from which two

parties may agree. If the two parties cannot agree upon an

allocation methodology, pro rata based upon confirmed (and

scheduled) nominations is the default method, and the primary

measuring party will provide the allocation using such

methodology. Only one pre-determined allocation methodology

should be applied per allocation period. Transporter and the

entity which controls the facilities immediately downstream of

such Delivery Point may memorialize their pre-determined

allocation by entering into a Predetermined Allocation Agreement

in the form beginning on Sheet No. 783 of this Tariff, provided

that such entity is pre-qualified for creditworthiness purposes

pursuant to Section 14.5 below. Upon thirty (30) Days' notice via

posting on Transporter's Internet Web Site, Transporter may

require such Predetermined Allocation Agreements to be executed

electronically via the Internet. All Shippers (except Shippers

under Rate Schedule NNTS and RSS for withdrawals only at the

Primary Delivery Point(s)) desiring service shall furnish delivery

nominations for the quantities of Gas each Shipper desires to have

scheduled for delivery by Transporter. Delivery nominations shall

be made electronically except during emergency events, as provided

in Section 22.8 of these General Terms and Conditions, and shall

consist of a designation by Shipper as to the quantity of Gas it

desires Transporter to tender at a particular Point of Delivery

under its Service Agreement for any given Day, the individual

Point(s) of Receipt or Pool(s) and corresponding suppliers from

which such Gas will originate, and the quantity from each such

source. In the event that a