X0306 4 2021-04-05 0 0000872912 DELCATH SYSTEMS, INC. DCTH 0001235644 MICHEL GERARD J C/O DELCATH SYSTEMS, INC., 1633 BROADWAY, SUITE 22C NEW YORK NY 10019 1 1 0 0 Chief Executive Officer Common Stock 2021-04-05 4 P 0 15500 12.88 A 23000 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.58 to $13.00, inclusive. The reporting person undertakes to provide to Delcath Systems, Inc., any securityholder of Delcath Systems, Inc., or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares purchased at each price within the ranges set forth in this footnote. /s/ Gerard Michel 2021-04-05