144 0001694891 XXXXXXXX LIVE 0002104052 Enviri Corporation 001-43207 Two Logan Square, 100-120 North 18th St 17th Floor Philadelphia PA 19103 267-844-3497 Tom Vadaketh former executive common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

33940 741249.6 28103750 07/21/2026 NYSE common 07/20/2026 stock appreciation rights issuer N 33940 07/20/2026 n/a Y 07/21/2026 /s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for Tom Vadaketh