High Island Offshore System, L.L.C.

Third Revised Volume No. 1

Effective Date: 11/01/2010, Docket: RP10-1229-000, Status: Effective

Seventh Revised Sheet No. 96 Seventh Revised Sheet No. 96

Superseding: Sixth Revised Sheet No. 96

GENERAL TERMS AND CONDITIONS

(Continued)

HIOS shall provide a Quick Response that the nomination has been

received and whether there are any errors that would prevent

processing, and if so, specify the errors, within fifteen (15) minutes

of receipt. Intraday nominations shall, subject to Section 7.4 hereof,

be implemented by HIOS to the extent and only to the extent that HIOS

is able to confirm the receipt and delivery of such gas at the Point(s)

of Receipt and Point(s) of Delivery and the scheduling of such intraday

nomination will not require the rescheduling of HIOS' capacity among

previously scheduled service agreements in order to provide capacity

for said intraday nomination.

Notice: NAESB Standard 5.3.34 (Version 1.9) states: Transportation

Service Providers should provide affected parties with notification of

intraday bumps, operational flow orders and other critical notices

through the affected party's choice of Electronic Notice Delivery

mechanism(s). NAESB Standard 5.2.2 (Version 1.9) states: "Electronic

Notice Delivery" is the term used to describe the delivery of notices

via Internet E-mail and/or EDI/EDM. Pursuant to NAESB Standards 5.3.34

and 5.2.2 (Version 1.9), Transporter shall issue notice of intraday

nomination changes to the affected Shipper via e-mail or EDI/EDM, at

the Shipper's election, provided that Shipper has provided Transporter

with an Internet E-mail address for such notices. In addition,

Transporter shall notify the affected Shipper of issuance of intraday

nomination changes via telephone. All intraday nomination changes

notices shall be subsequently posted on Transporter's Interactive

Internet Website.

7.4 Confirmation by Transporter. Nominations made in accordance with

Sections 7.1 through 7.3 hereof shall not be scheduled until HIOS has

confirmed the nominated receipts and deliveries with the upstream and

downstream parties. HIOS will contact the upstream and downstream

parties to confirm the nominated supply at the designated HIOS

measurement point and delivery points. Upstream and downstream parties

shall provide confirmation of timely nominations in accordance with

Section 7.2 (2)-(4).