High Island Offshore System, L.L.C.

Third Revised Volume No. 1

Effective Date: 10/01/2007, Docket: RP06-540-004, Status: Effective

Third Revised Sheet No. 143 Third Revised Sheet No. 143 : Effective

Superseding: Substitute Second Revised Sheet No. 143

GENERAL TERMS AND CONDITIONS

(Continued)

Transportation Agreement for firm transportation

service that conforms to Rate Schedule FT-1 or FT-2 of

this Tariff; and (2) become a party to the Gas

Allocation Agreement between HIOS and its shippers.

17.11(b) HIOS reserves the right to request additional or renewed

credit evaluation materials at any time for the purpose of

reviewing a completed creditworthiness evaluation.

17.12 Rights and Obligations of the Releasing Shipper and the Replacement

Shipper.

17.12(a) General Commitment of Replacement Shipper. By acquiring

released capacity, a Replacement Shipper agrees that it will

comply with all of the provisions of this Tariff, the terms

and conditions of the executed Rate Schedules FT-1 and FT-2

Transportation Agreement, and the applicable orders, rules,

and regulations of the Federal Energy Regulatory Commission.

The Replacement Shipper shall remain fully liable to HIOS at

the end of the term of the release transaction for all

responsibilities under its Transportation Agreement with

HIOS, including, but not limited to, all charges incurred by

the Replacement Shipper.

17.12(b) Continuing Obligations of Releasing Shipper. The original

Releasing Shipper in any sequence of one or more releases

involving the same capacity ("Original Releasing Shipper")

shall continue to be liable for all reservation charges

associated with the released capacity, up to the reservation

charge specified in the Original Releasing Shipper's

underlying