| (a) | debt securities (“Debt Securities”) to be issued under an indenture dated February 25, 2005, between the Corporation and Deutsche Bank Trust Company Americas (the “Trustee”), as trustee, as amended and supplemented from time to time (the “Base Indenture”), including as amended and supplemented by the First Supplemental Indenture, dated as of March 1, 2012, between the Corporation and the Trustee, the Sixth Supplemental Indenture dated May 13, 2019, among the Corporation, Enbridge Energy Partners, L.P. and Spectra Energy Partners, LP (the “Guarantors”) and the Trustee, the Eighth Supplemental Indenture, dated as of June 28, 2021, among the Corporation, the Guarantors and the Trustee (the Base Indenture as so amended and supplemented, the “Indenture”); |