High Island Offshore System, L.L.C.

Third Revised Volume No. 1

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Effective Date: 10/01/2009, Docket: RP09-487-001, Status: Effective

Substitute Third Revised Sheet No. 9 Substitute Third Revised Sheet No. 9

Superseding: Second Revised Sheet No. 9

LISTING OF EXISTING SUBSEA

INTERCONNECTION TAPS FOR

GAS RECEIPTS AND DELIVERIES

RECEIPT POINTS

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SHORT HAUL RECEIPT POINTS

Existing subsea taps north of High Island Block 264

High Island A-218

High Island A-247

West Cameron 314

West Cameron 342

West Cameron 376

West Cameron 167

High Island A-264 1/

LONG HAUL RECEIPT POINTS

Existing subsea taps south of High Island Block 264

WEST LATERAL CENTRAL LATERAL EAST LATERAL

------------ --------------- ------------

High Island A-270 High Island A-281 High Island A-271

A-283 A-300 A-280

A-468 A-303 A-298

A-470 A-320 A-316

A-492 A-340 A-323

A-498 A-546 A-343M

A-526 A-573 M A-345

A-539 Aliminos Canyon 25 A-333

A-555 A-332

A-582 M A-330 M

DELIVERY POINTS

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INTERCONNECTIONS

(1) West Cameron Block 167 - ANR Pipeline Company

(2) West Cameron Block 167 - U-TOS

(3) West Cameron Block 167 - Tennessee Gas Pipeline Company

(4) High Island Block 330 - Stingray

1/ The existing flanged connection between the compressor discharge line and the inlet

to the 42" Mainline on the HIA-264 "A" platform