Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

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Effective Date: 08/26/2009, Docket: RP09-843-000, Status: Effective

Fourth Revised Sheet No. 266 Fourth Revised Sheet No. 266

Superseding: Third Revised Sheet No. 266

RATE SCHEDULE PHS

PERRYVILLE HUB® SERVICE

(continued)

2. APPLICABILITY AND CHARACTER OF SERVICE: (continued)

B. the subsequent delivery or return of such quantity

of Gas to Transporter by Shipper at the agreed

upon time and at the same point(s) or other

mutually agreed point(s) on Transporter's system.

All services described in this Section 2.1 shall be in

accordance with a Service Agreement.

2.2 (a) With the exception of the firm wheeling option under this

Rate Schedule, all services under this Rate Schedule shall

be subject to interruption (decrease, suspension or

discontinuation), in whole or in part, at any time. For

such interruptible services, Transporter shall have no

obligation to provide services hereunder for or during any

given period if it determines that to do so may interfere

with its ability to provide services with a higher priority

or to meet its other obligations or that to do so may have

an adverse effect on Transporter's operations.

(b) Service under the firm wheeling option under this Rate

Schedule shall be firm except as otherwise provided in

this Tariff.

(c) Any particular transaction provided under this Rate

Schedule shall be for a term mutually agreed upon by

Shipper and Transporter.

(d) Except as expressly provided for in this Rate Schedule,

Shipper must nominate any services requested hereunder

(including the removal of parked Gas and the return of

loaned Gas) and service shall not be available or

authorized until scheduled by Transporter. All activity

will be subject to scheduling on a basis at least as

frequently as daily. Transporter may, at its sole

discretion, reasonably exercised and in a manner not unduly

discriminatory, consider and accept nominations for service

under this Rate Schedule submitted at times other than

generally provided for in Section 5 of the General Terms

and Conditions.