Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

Effective Date: 04/01/2003, Docket: RP00-410-003, Status: Effective

First Revised Sheet No. 99B First Revised Sheet No. 99B : Effective

Superseding: Third Substitute Original Sheet No. 99B

GENERAL TERMS AND CONDITIONS

(Continued)

5. PROCEDURES FOR REQUESTING SERVICE (Continued)

All postings made pursuant to this Section 5.9(b) shall also specify

whether a silent auction or interactive auction procedure will be utilized and

the beginning and ending dates (after which time, new bids may not be

submitted) of an Open Season, for the capacity, which period shall be for a

minimum of:

(1) four (4) business hours ending no later than 2:00 p.m.

Central Clock Time for service offering(s) of 31 days

or less; or

(2) one business day for service offerings with a term of

more than 31 days but not greater than 92 days; or

(3) three (3) business days for service offerings with a

term of more than 92 days but not greater than 365

days; or

(4) five (5) business days for service offerings with a

term greater than 365 days.

during an Open Season held pursuant to Section 5.9(b) shall be submitted to

MRT either electronically through its Internet web site, or by facsimile, in

accordance with the provisions of Section 2.7 of these General Terms and

Conditions. MRT will request shippers to indicate whether they are willing to

accept a prorata allocation of capacity in the event MRT is unable to satisfy

the full request.

(d) Rejection of Open Season Requests: MRT will reject requests for

service that: (i) may detrimentally impact the operational integrity of

MRT's system; (ii) do not satisfy all the terms of the specified posting; or

(iii) do not meet MRT's creditworthiness standards as set forth in Section 26

of these General Terms and Conditions. MRT may reject requests that contain

terms and conditions other than those set forth in MRT's FERC Gas Tariff. In

the event MRT rejects a request, MRT will provide a detailed explanation to

the requesting customer and provide such requesting customer an opportunity to

amend its request, if applicable.