MARTIN MARIETTA MATERIALS INC (MLM): Entry into a Material Definitive Agreement
MARTIN MARIETTA MATERIALS INC (MLM) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. EX-4.2 2 d103352dex42.htm EX-4.2 EX-4.2 Exhibit 4.2 MARTIN MARIETTA MATERIALS, INC., as Issuer and Regions Bank, as Trustee SIXTH SUPPLEMENTAL INDENTURE Dated as of August 14, 2026 to INDENTURE Dated as of May 22, 2017 4.850% Senior Notes due 2029 5.200% Senior Notes due 2032 5.4


