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       SHIPPERS DESIRING TO TRADE IMBALANCES

                    OCTOBER 2009

         Shipper Name                Pooling Area     Imbalance          Contact          Contact Phone        E-mail Address
 ----------------------------------- -------------    --------- ------------------------- -------------- ------------------------------------
 AIR LIQUIDE LARGE INDUSTRIES U.S.LP North                  -36 DAN ANDRAKO               281-293-5704   Dan.P.Andrako@conocophillips.com
 APACHE CORPORATION                  West of Amber           -1 ILYN BIELAMOWICZ          713-296-6831   Ilyn.Bielamowicz@APACHECORP.COM
 ATMOS ENERGY MARKETING, LLC         North                   17 ANTHONY GRAZIANO          504-681-3109   ANTHONY.GRAZIANO@ATMOSENERGY.COM
 BEACON PETROLEUM MANAGEMENT         Neutral                 89 RYAN LEAVY                972-758-9393   RYAN@BEACON-GAS.COM
 BEACON PETROLEUM MANAGEMENT         North                   41 RYAN LEAVY                972-758-9393   RYAN@BEACON-GAS.COM
 BEACON PETROLEUM MANAGEMENT         South                   17 RYAN LEAVY                972-758-9393   RYAN@BEACON-GAS.COM
 CENTERPOINT ENERGY SERVICES INC     South                 -540 BRIAN DOBRAVA             713-207-4166   Brian.Dobrava@CENTERPOINTENERGY.COM
 CENTERPOINT ENERGY SERVICES INC     West of Amber          583 BRIAN DOBRAVA             713-207-4166   Brian.Dobrava@CENTERPOINTENERGY.COM
 CENTRAL CRUDE INC                   Neutral               -733 ELIOT LEVIN               713-783-2167   elevin@centralcrude.com
 CENTRAL CRUDE INC                   South                 -187 ELIOT LEVIN               713-783-2167   elevin@centralcrude.com
 CHESAPEAKE ENERGY MARKETING INC     East of Amber          248 JULIE MCFARLAND           405-935-7811   julie.mcfarland@chk.com
 CIMAREX ENERGY CO                   Neutral                  2 RAMAH MEIER               918-295-1684   RMEIER@CIMAREX.COM
 CIMAREX ENERGY CO                   West of Amber          -21 RAMAH MEIER               918-295-1684   RMEIER@CIMAREX.COM
 CROSS TIMBERS ENERGY SERVICES, INC  North                2,129 JADE BAILEY               817-885-2258   jade_bailey@xtoenergy.com
 DB ENERGY TRADING LLC               Neutral               -339 JEFF NORTH                713-653-5139   JEFFREY-O.NORTH@DB.COM
 DB ENERGY TRADING LLC               West of Amber           23 JEFF NORTH                713-653-5139   JEFFREY-O.NORTH@DB.COM
 EVERGREEN PACKAGING INC             North               -9,657 JEANIE HARTWIG            713-554-1600   jeanie.hartwig@summitenergy.com
 INTERNATIONAL PAPER COMPANY         South              -29,591 DAN ANDRAKO               281-293-5704   Dan.P.Andrako@conocophillips.com
 MACQUARIE COOK ENERGY, LLC.         Line CP              5,193 LISA LORENZATO            318-429-3970   lisa.lorenzato@CenterPointEnergy.com
 MACQUARIE COOK ENERGY, LLC.         East of Amber            5 CORA PENDERGRASS          713-369-4500   CORA.PENDERGRASS@MACQUARIE.COM
 MACQUARIE COOK ENERGY, LLC.         North                   49 CORA PENDERGRASS          713-369-4500   CORA.PENDERGRASS@MACQUARIE.COM
 NUCOR CORPORATION                   North                3,863 MARK MCKEOWN              713-877-0404   mmckeown@mobiusriskgroup.com
 OKLAHOMA ENERGY SERVICES INC        South                  332 JANEANN TAUBEL            918-254-9630   JTAUBEL@OKESI.COM
 PETROHAWK ENERGY CORPORATION        Line CP              5,321 JOHN BOHANNAN             832-369-2171   jbohannan@petrohawk.com
 PETROHAWK ENERGY CORPORATION        North                  401 JOHN BOHANNAN             832-369-2171   jbohannan@petrohawk.com
 PETROHAWK ENERGY CORPORATION        South                   30 JOHN BOHANNAN             832-369-2171   jbohannan@petrohawk.com
 PINE BLUFF ENERGY LLC               North              -18,202 ROBERT RICHARD            713-830-8682   robert.richard@CALPINE.COM
 REYNOLDS FOIL INC                   North                1,712 JEANIE HARTWIG            713-554-1600   jeanie.hartwig@summitenergy.com
 REYNOLDS METALS COMPANY             South                1,385 JON YOUNG                 614-339-2622   jyoung@deltaenergyllc.com
 SAMSON RESOURCES COMPANY            Line CP              7,436 LISA MCLEARAN             918-591-1426   lmclearan@samson.com
 SEMINOLE ENERGY SERVICES LLC        Neutral                950 JOYCE MOORE               918-477-3417   JMOORE@SEMINOLEENERGY.COM
 SEMINOLE ENERGY SERVICES LLC        North                  170 JOYCE MOORE               918-477-3417   JMOORE@SEMINOLEENERGY.COM
 SEMINOLE ENERGY SERVICES LLC        South                  330 JOYCE MOORE               918-477-3417   JMOORE@SEMINOLEENERGY.COM
 SHELL ENERGY NORTH AMERICA (US), LP Neutral            -20,661 JOHN POWELL               713-767-5681   john.powell@shell.com
 SOUTHWESTERN ELECTRIC POWER COMPANY North                 -443 CAROL HARDING             214-777-1095   CRHARDING@AEP.COM
 SOUTHWESTERN ELECTRIC POWER COMPANY South               -1,048 CAROL HARDING             214-777-1095   CRHARDING@AEP.COM
 SOUTHWESTERN ENERGY SERVICES CO     North              -18,460 CHRIS FULTON              281-618-7380   SESSCHEDULINGTEAM@SWN.COM
 STEPHENS PRODUCTION COMPANY         South                 -205 DONNA GOLDMAN             479-783-4191   DGOLDMAN@STEPHENSPRO.COM
 STEPHENS PRODUCTION COMPANY         West of Amber          -24 DONNA GOLDMAN             479-783-4191   DGOLDMAN@STEPHENSPRO.COM
 TERNIUM USA INC.                    South                 -992 MICKEY SEAL               713-554-1648   mickey.seal@summitenergy.com
 TETRA TECHNOLOGIES INC              South                2,004 MICKEY SEAL               713-554-1648   mickey.seal@summitenergy.com
 TRANS LOUISIANA GAS PIPELINE INC    South                   61 ANTHONY GRAZIANO          504-681-3109   ANTHONY.GRAZIANO@ATMOSENERGY.COM
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 UNITED ENERGY TRADING LLC           East of Amber          407 MELODIE DAVIS             918-392-8446   mdavis@uetllc.com
 UNITED ENERGY TRADING LLC           Neutral                140 MELODIE DAVIS             918-392-8446   mdavis@uetllc.com
 UNITED ENERGY TRADING LLC           North                   13 MELODIE DAVIS             918-392-8446   mdavis@uetllc.com
 UNITED ENERGY TRADING LLC           South                  537 MELODIE DAVIS             918-392-8446   mdavis@uetllc.com
 UNITED STATES GYPSUM COMPANY        West of Amber        7,134 DUANE WILLIAMS            580-822-6114   dwilliams@usg.com