**Exhibit 4.2****SECOND SUPPLEMENTAL INDENTURE**     **SECOND SUPPLEMENTAL INDENTURE**(this ***“Supplemental Indenture”***) dated as of June 30, 2007, among**TEPPCO Partners, L.P.,**a Delaware limited partnership (the ***“Partnership”***), **TE Products PipelineCompany, Limited Partnership**, a Texas limited partnership (formerly a Delaware limited partnership,***“TE Products”***), **TCTM, L.P.**, a Delaware limited partnership (***“TCTM”***), **TEPPCO Midstream Companies,L.P.**, a Texas limited partnership (formerly a Delaware limited partnership, ***“TEPPCO Midstream”***),**Val Verde Gas Gathering Company, L.P.,**a Delaware limited partnership (“***Val Verde”***, and togetherwith TE Products, TCTM and TEPPCO Midstream, the ***“Existing Subsidiary Guarantors”***), **TE ProductsPipeline Company, LLC**, a Texas limited liability company, **TEPPCO Midstream Companies, LLC,**a Texaslimited liability company (together with TE Products Pipeline Company, LLC, the ***“New SubsidiaryGuarantors”***), and **The Bank of New York Trust Company, N.A.**, as trustee under the Indenture referredto below (in such capacity, the ***“Trustee”***).**WITNESSETH:**     WHEREAS, the Partnership and the Existing Subsidiary Guarantors have heretofore executed anddelivered to the Trustee an Indenture dated as of May 14, 2007 (the ***“Original Indenture”***),providing for the Partnership’s issuance, from time to time, of its Debt Securities in one or moreseries unlimited as to principal amount, and the Guarantees by each of the Subsidiary Guarantors ofthe Debt Securities;     WHEREAS, the Partnership and the Existing Subsidiary Guarantors have heretofore executed anddelivered to the Trustee a First Supplemental Indenture dated as of May 18, 2007 (the ***“FirstSupplemental Indenture***,***”***and together with the Original Indenture, the “***Indenture***”), providing forthe Partnership’s issuance of the initial series of its Debt Securities under the Indenture, suchseries known as the Partnership’s 7.000% Fixed/Floating Rate Junior Subordinated Notes due 2067(the ***“2067 Notes”***);     WHEREAS, Section 9.01(h) of the Indenture authorizes the Partnership, the SubsidiaryGuarantors and the Trustee, from time to time and at any time, and without the consent of theHolders, to enter into one or more indentures supplemental to the Indenture to add SubsidiaryGuarantors with respect to any or all Debt Securities;     WHEREAS, the New Subsidiary Guarantors are Subsidiaries of the Partnership and the Partnershipdesires to cause each New Subsidiary Guarantor, and each New Subsidiary Guarantor desires tobecome, a Subsidiary Guarantor with respect to the 2067 Notes;     WHEREAS, Section 9.01 of the Indenture authorizes the Trustee to join with the Partnership andthe Subsidiary Guarantors in the execution of this Supplemental Indenture for the purpose of addinga Subsidiary Guarantor, and further provides that any such supplemental indenture may be executedby the Partnership, the Subsidiary Guarantors and the Trustee without the consent of the Holders ofany Debt Securities at the time Outstanding; and
 

 
     WHEREAS, all things necessary have been done to make the Guarantee of the 2067 Notes by eachNew Subsidiary Guarantor the valid obligation of such New Subsidiary Guarantor and to make thisSupplemental Indenture a valid agreement of the Partnership, the Existing Subsidiary Guarantors andthe New Subsidiary Guarantors, in accordance with their respective terms;     NOW, THEREFORE, in consideration of the foregoing and for other good and valuableconsideration, the receipt of which is hereby acknowledged, the Partnership, the ExistingSubsidiary Guarantors, the New Subsidiary Guarantors and the Trustee mutually covenant and agreefor the equal and proportionate benefit of the Holders of the 2067 Notes as follows:     1. *Capitalized Terms*. Capitalized terms used herein and not defined herein shall have themeaning ascribed to them in the Indenture.     2. *Agreement to Guarantee*. Each New Subsidiary Guarantor hereby agrees, jointly and severallywith all other Subsidiary Guarantors, fully, unconditionally and absolutely to guarantee, to theextent set forth in the Indenture and subject to the provisions of the Indenture, the due andpunctual payment of the principal of, and the premium, if any, and interest on, the 2067 Notes andall other amounts due and payable by the Partnership under the Indenture and the 2067 Notes, and tobe bound by all other provisions of the Indenture applicable to Subsidiary Guarantors. Further,each New Subsidiary Guarantor acknowledges and agrees that its obligations to the Holders of the2067 Notes and to the Trustee pursuant to the Guarantee and the Indenture are expressly set forthin Article XIV of the Indenture, and reference is hereby made to the Indenture for the preciseterms of the Guarantee.     3. *No Recourse Against Others.*The General Partner, the Persons who formed the GeneralPartner and the General Partner’s directors, officers, employees, incorporators and members, assuch, shall have no liability for any obligations of the Partnership or the Subsidiary Guarantorsunder the 2067 Notes, the Guarantees, the Indenture or this Supplemental Indenture or for any claimbased on, in respect of, or by reason of, such obligations or their creation. By accepting a 2067Note, each Holder waived and released all such liability. Such waiver and release are a part ofthe consideration for issuance of the 2067 Notes.     4. *NEW YORK LAW TO GOVERN.*THIS SUPPLEMENTAL INDENTURE AND THE GUARANTEES PROVIDED FOR HEREINSHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.     5. *Counterparts*. The parties may sign any number of counterparts of this SupplementalIndenture, each of which shall be an original; but such counterparts shall together constitute butone and the same instrument.     6. *Effect of Headings.*The headings herein are for convenience only and shall not affect theconstruction hereof.[*Remainder of page intentionally left blank; signature pages follow*]
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     IN WITNESS WHEREOF, the parties have caused this Supplemental Indenture to be duly executedand delivered, all as of the date first above written.            **TEPPCO Partners, L.P**.       By Texas Eastern Products Pipeline Company, LLC,    Its General Partner       By: /s/ William G. Manias         William G. Manias    Vice President and Chief Financial Officer       **TE Products Pipeline Company, Limited Partnership**       By TEPPCO GP, Inc.,    Its General Partner       By: /s/ William G. Manias         William G. Manias    Vice President and Chief Financial Officer            **TCTM, L.P.**       By TEPPCO GP, Inc.,    Its General Partner       By: /s/ William G. Manias         William G. Manias    Vice President and Chief Financial Officer       **TEPPCO Midstream Companies, L.P.**       By TEPPCO GP, Inc.,    Its General Partner       By: /s/ William G. Manias         William G. Manias    Vice President and Chief Financial Officer*Signature Page to Second Supplemental Indenture*
 

 
            **Val Verde Gas Gathering Company, L.P.**       By TEPPCO NGL Pipelines, LLC,    Its General Partner       By: /s/ William G. Manias         William G. Manias    Vice President and Chief Financial Officer       **TE Products Pipeline Company, LLC**       By TEPPCO GP, Inc.,    Its Manager       By: /s/ William G. Manias         William G. Manias    Vice President and Chief Financial Officer       **TEPPCO Midstream Companies, LLC**       By TEPPCO GP, Inc.,    Its Manager       By: /s/ William G. Manias         William G. Manias    Vice President and Chief Financial Officer       **The Bank of New York Trust Company, N.A.**