High Island Offshore System, L.L.C.

Third Revised Volume No. 1

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Effective Date: 07/01/2003, Docket: RP03-418-000, Status: Effective

Second Revised Sheet No. 145 Second Revised Sheet No. 145 : Effective

Superseding: First Revised Sheet No. 145

GENERAL TERMS AND CONDITIONS

(Continued)

17.12(e) Right of Recall. Releasing Shippers may, to the extent permitted as a condition

of the capacity release, recall released capacity by providing notice to HIOS in

accordance with the following time line:

(i) Timely Recall Notification

(a) A Releasing Shipper recalling capacity should provide notice of

such recall to HIOS and the first Replacement Shipper no later than

8:00 a.m. on the day that Timely Nominations are due;

(b) HIOS should provide notification of such recall to all affected

Replacement Shippers no later than 9:00 a.m. on the day that

Timely Nominations are due (Central Clock Time);

(ii) Early Evening Recall Notifications:

(a) A Releasing Shipper recalling capacity should provide notice of such

recall to HIOS and the first Replacement Shipper no later than 3:00

p.m. on the day that Evening Nominations are due;

(b) HIOS should provide notification of such recall to all affected

Replacement Shippers no later than 4:00 p.m. on the day that Evening

Nominations are due (Central Clock Time);

(iii) Evening Recall Notifications:

(a) A Releasing Shipper recalling capacity should provide notice of such

recall to HIOS and the first Replacement Shipper no later than 5:00

p.m. on the day that Evening Nominations are due;

(b) HIOS should provide notification of such recall to all affected

Replacement Shippers no later than 6:00 p.m. on the day that Evening

Nominations are due (Central Clock Time);

(iv) Intraday 1 Recall Notifications:

(a) A Releasing Shipper recalling capacity should provide notice of such

recall to HIOS and the first Replacement Shipper no later than 7:00

a.m. on the day that Intraday 1 Nominations are due;

(b) HIOS should provide notification of such recall to all affected

Replacement Shippers no later than 8:00 a.m. on the day that Intraday

1 Nominations are due (Central Clock Time); and

(v) Intraday 2 Recall Notifications:

(a) A Releasing Shipper recalling capacity should provide notice of

such recall to HIOS and the first Replacement Shipper no later than

2:30 p.m. on the day that Intraday 2 Nominations are due;

(b) HIOS should provide notification of such recall to all affected

Replacement Shippers no later than 3:30 p.m. on the day that

Intraday 2 Nominations are due (Central Clock Time).

For recall notification provided to HIOS prior to the recall notification

deadline specified above and received between 7:00 a.m. and 5:00 p.m., HIOS

should provide notification to all affected Replacement Shippers no later than

one hour after receipt of such recall notification. For recall notification

provided to HIOS after 5:00 p.m. and prior to 7:00 a.m., HIOS should provide

notification to all affected Replacement Shippers no later than 8:00 a.m. after

receipt of such recall notification (Central Clock Time).