On February 12, 2024, John Purpura notified Delcath Systems, Inc. (the ?Company?) of his intent to retire as the Company?s Chief Operating Officer. The Company is engaged in active discussions to appoint a new Chief Operating Officer with a preferred candidate identified. Mr. Purpura will remain with the Company until such time as his successor is named and has agreed to consult with the Company after he leaves.

Additionally, on February 9, 2024, Roger Stoll notified the Company of his intent to retire from the board of directors of the Company (the ?Board?) and not stand for re-election at the Company?s 2024 Annual Meeting of Stockholders (the ?2024 Annual Meeting?). Mr. Stoll has served the Board for over fourteen years and, after the recent FDA approval and commercial launch of Delcath?s first product, Mr. Stoll decided that this was an appropriate time to retire from the Board. Mr. Stoll?s retirement will become effective at the conclusion of the 2024 Annual Meeting.

Mr. Stoll?s decision to retire and not stand for re-election was not the result of a disagreement with the Company on any matter relating to the Company?s operations, policies or practices.