HILLENBRAND, INC., AS ISSUER, THE GUARANTORS (AS DEFINED HEREIN) and U.S. BANK NATIONAL ASSOCIATION, AS TRUSTEE SUPPLEMENTAL INDENTURE No. 4 Dated as of June 16, 2020 to INDENTURE Dated as of July 9, 2010 among HILLENBRAND, INC., AS ISSUER and U.S....