ENABLE MISSISSIPPI RIVER TRANSMISSION, LLC

                                 PRE-APPROVED BIDDERS LIST

 TSP NAME:                                 ENABLE MISSISSIPPI RIVER TRANSMISSION, LLC
 TSP:                                      872670161

 STATEMENT DATE/TIME:                      March  1, 2021     07:00 AM

 PRE-APPROVED BIDDER NAME:                 PRE-APPROVED BIDDER:
 AMEREN ILLINOIS                           006936017
 AMOCO ENERGY TRADING CORP                 625275755
 AMSTED RAIL COMPANY, INC                  070015748
 ANR PIPELINE CO                           006958581
 BIG RIVER ZINC COMPANY                    193002920
 BP ENERGY COMPANY                         625275755
 BP PRODUCTS NORTH AMERICA INC             006272629
 BRADLEY COUNTY MEDICAL CENTER             964990894
 BURLINGTON INDUSTRIES                     001317833
 CENTERPOINT ENERGY RESOURCES CORP D       803838838
 CENTERPOINT ENERGY SERVICES, INC          838611739
 CERRO FLOW PRODUCTS LLC                   094295102
 CINERGY MARKETING & TRADING, LLC          838432128
 CITY OF CHESTER, ILLINOIS                 077147254
 CITY OF HAZEN, ARKANSAS                   077389989
 CITY OF POTOSI, MISSOURI                  095482022
 CITY OF WATERLOO, ILLINOIS                077132868
 CONOCOPHILLIPS COMPANY                    001368265
 CONOCOPHILLIPS-WOOD RIVER                 001358265
 CONSTELLATION NEWENERGY - GAS DIVIS       141092333
 CORNING PUBLISHING COMPANY                007024425
 CROSSETT HEALTH DBA ASHLEY COUNTY         071265359
 DARLING STORE FIXTURES                    152845061
 DELHI GAS PIPELINE CORP                   041087081
 DOE RUN COMPANY                           161359302
 DREW COUNTY MEMORIAL HOSPITAL             170107916
 DREW FOAM COMPANIES, INC                  092923697
 DUKE ENERGY TRADING & MARKETING LLC       947436333
 EL PASO ENERGY MARKETING COMPANY          051776169
 ELEMENTIS PIGMENTS INC                    194128765
 ENABLE ENERGY RESOURCES, LLC              188781421
 ENABLE GAS TRANSMISSION, LLC              872670161
 ENBRIDGE MARKETING                        523683
 ENBRIDGE PIPELINE (EAST TEXAS)            802873125
 ENGAGE ENERGY US LP                       009346818
 ENTERGY POWER, INC.                       960452274
 EQUILON ENTERPRISES LLC                   009276197
 FRIT INDUSTRIES, INC.                     061148631
 GEORGIA-PACIFIC LLC                       009020777
 GRANITE CITY STEEL                        613360
 INDUSTRIAL GAS PRODUCTS                   965183
 INDUSTRIAL STEAM PRODUCTS INC             787416981
 ISP CHEMICALS INC                         446020
 J & J REAL ESTATE INVESTMENTS INC         068522150
 LACLEDE ENERGY RESOURCES, INC             236850
 LAROCHE INDUSTRIES                        150995942
 LAWRENCE MEMORIAL HOSPITAL                071256341
 LIBERTY ENERGY (MIDSTATES NG) CORP        078314967
 LOUISIANA GAS SERVICE COMPANY             783273824
 MACQUARIE ENERGY LLC                      798846036
 MARATHON OIL CO                           055122568
 MISSISSIPPI LIME COMPANY                  006285225
 MONTICELLO, UNIVERSITY OF ARKANSAS        090954520
 NESCO STEEL BARREL CO                     681127
 OLIN CORPORATION                          001338086
 ONEOK GAS MARKETING COMPANY               800022261
 R M COURSON INC                           150240737
 RELIANT ENERGY SERVICES INC               361439698
 RIVER CEMENT CO                           007176647
 RIVIANA FOODS INC                         147160956
 ROOFERS MART, INC.                        115417693
 SOLUTIA INC                               040853731
 SONAT MARKETING COMPANY                   190723155
 SOUTHEAST ARKANSAS HUMAN DEV CENTER       825861367
 SOUTHERN COMPANY ENERGY MARKETING         177198629
 SPECIALTY GRANULES INC                    044390656
 SPIRE MARKETING                           188779862
 SPIRE MISSOURI INC                        006967798
 SYMMETRY ENERGY SOLUTIONS, LLC            838611739
 TENASKA MARKETING VENTURES                624240628
 TENNECO GAS MARKETING COMPANY             832257364
 UNION ELECTRIC CO. DBA AMEREN MO          006968655
 UNITED STATES STEEL CORPORATION           002028801
 UNIVERSITY OF ARKANSAS                    040013
 VALERO GAS MARKETING L.P.                 360762629
 VAUGHAN AND BUSHNELL MANUFACTURING        005129184
 WATERLOO INDUSTRIES                       005277959
 WILLIAMS ENERGY MARKETING & TRADING       824678478
 WRB REFINING, LP                          794031356