Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

Effective Date: 05/01/2010, Docket: RP10-567-000, Status: Effective

Second Revised Sheet No. 585 Second Revised Sheet No. 585

Superseding: First Revised Sheet No. 585

GENERAL TERMS AND CONDITIONS

(continued)

22. NAESB STANDARDS APPLICABLE AND INTERNET WEB SITE (continued)

also make reasonable efforts to individually notify Shippers (or

Shipper's contact party designated pursuant to Section 5.9 of the

General Terms and Conditions) who, for the Day prior to posting,

had nominated and scheduled authorized overrun quantities or

activities subject to the posting. Such notification efforts

shall be via telephone, facsimile, or mutually agreeable

electronic data interchange, and may be effected during the

scheduling process. Notifications to Pool Managers shall specify

the particular Pooling activities that may result in penalties.

22.8 Emergency Events. The requirements to nominate and implement

capacity releases, execute contracts or provide other information

electronically set forth in this Tariff shall be inapplicable in

an emergency event, which shall be a failure of Shipper's or

Transporter's electronic communication equipment (including

temporary events such as system crashes, outages, or slow response

time), Internet, or third party service provider or other similar

emergency event which constitutes an event of force majeure as

defined in Section 8.1 of these General Terms and Conditions.

During such emergency events, Shipper shall submit written

nominations, implement capacity release transactions in writing,

execute contracts in writing, or otherwise provide information in

writing. Transporter may, on a not unduly discriminatory basis,

waive any applicable deadlines and requirements to the extent

practicable to accommodate such emergency events.

22.9 Notices. Transporter shall notify Shippers of intraday bumps,

OFOs and other notices that affect scheduling or adversely affect

scheduled gas flow in the manner provided in this Tariff unless

the Shipper has provided Transporter with a written request

specifying that EDI or Internet e-mail (up to two Internet e-mail

addresses) notification be used.

23. TRANSITION COSTS RECOVERY MECHANISM:

23.1 Unrecovered Purchased Gas Costs. Transporter shall, subject to

receipt of necessary Commission authorization, from time to time,

direct bill any unrecovered purchased gas costs posted to or

reflected in Account No. 191 attributable to gas purchases by

Transporter prior to implementation of restructured services

pursuant to Order No. 636. From time to time as such costs are

known and measurable such unrecovered gas costs shall be direct