Northern Natural Gas Company submits tariff filing per 154.204: 20111007 Essar Non-Conforming to be effective 11/24/2011 under RP12-37 Filing Type : 570

November10,2011 Ms.KimberlyD.Bose,Secretary FederalEnergyRegulatoryCommission 888FirstStreet,NE Washington,DC20426 Re: TennesseeGasPipelineCompany,L.L.C. RestateFERCNGAGasTarifftoReflectNameChangetoincludeL.L.C.and LimitedMinisterialTariffChanges DocketNo.RP12 DearMs.Bose: Pursuant to Section 4 of the Natural Gas Act (NGA) and Part 154 of the Federal Energy Regulatory Commissions(Commission)regulations, 1 TennesseeGasPipelineCompany,L.L.C.(TGP)submitsforfilingits entireFERCNGAGasTariff,SixthRevisedVolumeNo.1(Tariff).TGPisproposingtorestateitsTarifftoreflect1) itsnamechangefromTennesseeGasPipelineCompanytoTennesseeGasPipelineCompany,L.L.C.,and2)limited ministerialTariffchanges.Asaresultofthisnamechange,TGPalsorequeststhattheCommissionredesignatethe name Tennessee Gas Pipeline Company, L.L.C. for all certificates previously issued to Tennessee Gas Pipeline CompanyundertheNGA,aswellasforitsroleasaparticipantinanyotherproceedingsnowpendingbeforethe Commission.TGPrequestsaneffectivedateofNovember10,2011forallproposalsrequestedherein. StatementoftheNature,Reasons,andBasisforFiling ThepurposeofthisfilingistorestateTGPsTarifftoreflectitsnamechangetoTennesseeGasPipeline Company,L.L.C.OnSeptember13,2011,TGP,aDelawareCorporation,filedwiththeOfficeoftheSecretaryof StateofDelawareaCertificateofConversionofaDelawareCorporationunderthenameofTennesseeGasPipeline CompanytoaDelawarelimitedliabilitycompanyandaCertificateofFormation,effectingachangefromitsname 2 TennesseeGasPipelineCompanytoTennesseeGasPipelineCompany,L.L.C. Under Delaware law, conversion of a corporation to an L.L.C. does not result in dissolution of the convertingcompany;itissimplyaconversionandacontinuationofthecorporationasanL.L.C. 3 Thus,noorder, authorizationorotheractionbytheDelawareSecretaryofStateisnecessaryinorderfortheconversiontotake effect. As such, effective October 1, 2011, TGP was continued as a Delaware L.L.C. known as Tennessee Gas Pipeline Company, L.L.C. Copies of the certificate of conversion are included in Appendix A. TGPs entire Sixth RevisedVolumeNo.1TariffreflectingtherestatementofitsnametoTennesseeGasPipelineCompany,L.L.C.,is includedinAppendixB. Asaresultofthisnamechange,TGPalsorespectfullyrequeststhattheCommissionredesignatethename TennesseeGasPipelineCompany,L.L.C.forallcertificatespreviouslyissuedtoTennesseeGasPipelineCompany under the NGA, as well as for its role as a participant in any other proceedings now pending before the Commission. 1 18C.F.R.Part154(2011). 2 PursuanttoSection266oftheDelawareGeneralCorporationLawandSection18214oftheDelawareLimitedLiability CompanyAct. 3 DelawareLimitedLiabilityCompanyAct,6Del.C.18101,et.seq. TennesseeGasPipeline,L.L.C. 1001LouisianaHouston,Texas77002 P.O.Box2511Houston,Texas772522511 Tel7134202131 Ms.KimberlyD.Bose,Secretary November10,2011 Page2 TheCommissionhaspreviouslyapprovedsimilarfilingstoreflectnamechangesfollowingtheconversion ofacorporationtoanL.L.C.pursuanttoDelawarelaw. 4 UnderDelawarelaw,TennesseeGasPipelineCompany, L.L.C.willbeconsideredthesameen