BURLINGTON NORTHERN SANTA FE, LLC and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., Trustee EIGHTH SUPPLEMENTAL INDENTURE Dated as of May 19, 2011 to INDENTURE Dated as of December 1, 1995 4.10% Debentures due June 1, 2021 5.40% Debentures due June...