The Borrower shall not, and shall not permit any Subsidiary  (other than Project Finance Subsidiaries) or EPD to, create, assume, incur or suffer to exist any Lien, other than a Permitted Lien, on any Principal Property or upon any Equity Interests of the Borrower or any Subsidiary (other than Project Finance Subsidiaries) owning or leasing any Principal Property, now owned or hereafter acquired by the Borrower or such Subsidiary to secure any Indebtedness of the Borrower, EPD or any other Person (other than the Indebtedness under this Agreement), without in any such case making effective provision whereby any and all Indebtedness under this Agreement then outstanding will be secured by a Lien equally and ratably with, or prior to, such Indebtedness for so long as such Indebtedness shall be so secured.  Notwithstanding the foregoing, the Borrower may, and may permit any Subsidiary (other than a Project Finance Subsidiary) and EPD to, create, assume, incur or suffer to exist any Lien upon any Principal Property to secure Indebtedness of the Borrower, EPD or any other Person (other than the Indebtedness under this Agreement), other than a Permitted Lien without securing the Indebtedness under this Agreement, provided that the aggregate principal amount of all Indebtedness then outstanding secured by such Lien and all similar Liens together with the aggregate amount of Attributable Indebtedness deemed to be outstanding in respect of all Sale/Leaseback Transactions (exclusive of any Permitted Sale/Leaseback Transactions), does not exceed 10% of Consolidated Net Tangible Assets.