High Island Offshore System, L.L.C.

Third Revised Volume No. 1

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

Sixth Revised Sheet No. 92 Sixth Revised Sheet No. 92

Superseding: Fifth Revised Sheet No. 92

GENERAL TERMS AND CONDITIONS

(Continued)

Unless otherwise agreed to, a Shipper's nomination shall be provided

through Vision System or HIOS' Interactive Internet Website and must

be submitted in accordance with the standard nomination timelines set

forth below. For the purpose of Section 7.2 (2)-(4), "provide" shall

mean, for transmittals pursuant to NAESB Standard 1.3.2(v) (Version

1.9), receipt at the designated site, and for purposes of other forms

of transmittal, it shall mean send or post.

The standard nomination timelines are as follows:

(1) The Timely Nomination Cycle:

(All times are CCT on the Day prior to the Gas Day.)

11:30 a.m. Latest time that nominations may leave control of the

nominating party;

11:45 a.m. Receipt of complete nominations by Transporter (including

from Title Transfer Tracking Service Providers (TTTSPs));

12:00 p.m. Transporter sends quick response;

3:30 p.m. Receipt of completed confirmations by Transporter from

upstream and downstream connected parties;

4:30 p.m. Receipt of scheduled quantities by Shipper and point

operator.

Scheduled quantities resulting from the Timely Nomination Cycle shall

be effective at 9:00 a.m. CCT on the next Gas Day.