THIRTEENTH SUPPLEMENTAL INDENTURESupplemental Indenture • November 15th, 2018 • MPLX Lp • Pipe lines (no natural gas) • New York
THIS THIRTEENTH SUPPLEMENTAL INDENTURE, dated as of November 15, 2018 (this “Supplemental Indenture”), is between MPLX LP, a limited partnership duly formed and existing under the laws of the State of Delaware (the “Partnership”), and The Bank of New York Mellon Trust Company, N.A., a national banking association, as trustee (the “Trustee”).
MPLX LP as Issuer, and MPLX GP LLC as General Partner, $750,000,000 4.800% SENIOR NOTES DUE 2029 $1,500,000,000 5.500% SENIOR NOTES DUE 2049 UNDERWRITING AGREEMENTUnderwriting Agreement • November 15th, 2018 • MPLX Lp • Pipe lines (no natural gas) • New York
