Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

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

First Revised Sheet No. 445E First Revised Sheet No. 445E

Superseding: Original Sheet No. 445E

GENERAL TERMS AND CONDITIONS

(continued)

10. ASSIGNMENT AND CURTAILMENT OF CAPACITY (continued)

Entitlements, Reserved Capacity and/or Primary Delivery

Point(s) designated in its Agreement, provided it is

operationally feasible taking into consideration the

availability of firm capacity due to the provision of

related transportation services under Rate Schedule FT-2 at

the applicable point or Pooling Area.

(g) A Shipper under Rate Schedule FT, EFT or PS (firm Pool

Transfer) may request to convert all or part of its

Contract Limitations or Reserved Capacity to Linked Firm

Service, subject to the availability of capacity and

operational limitations that may exist with respect to the

requested firm service. Transporter will evaluate such

requests on a not unduly discriminatory case-by-case basis.

No such conversion shall require Transporter to accept less

than its applicable maximum tariff rates for the Linked

Firm Service or rates negotiated under an existing

transaction, or terms and conditions different than those

provided in the Shipper's existing Service Agreement.

10.6 Requests For Interruptible Service. Complete requests for

interruptible service by a Shipper willing and able to pay the

maximum rate for such service, in accordance with this Tariff,

will be reviewed on a first-come, first-served basis according to

the date of Transporter's receipt of such request. Initial

requests for interruptible service shall be accepted, for

purposes of offering a Service Agreement, if Transporter

determines, following its review and evaluation of a completed

request, that excess capacity may exist from time to time to

perform the requested services on an interruptible basis.

Transporter shall use the scheduling procedures as prescribed in

Section 5 of these General Terms and Conditions to allocate

capacity for interruptible services. For purposes of the

foregoing, a Shipper willing and able to pay a Negotiated Rate

for such service will be subject to the provisions of Section

12.3 below.