Exhibit 99.1 Nuwellis, Inc. Announces Fourth Quarter and Full Year 2023 Financial Results Strengthens Its Foundation for Growth, Strong Pediatric Sales, Expanding Margins and Increases Number of New Hospital Accounts Minneapolis, MN, March 5, 2024 (GLOBE NEWSWIRE) -- Nuwellis, Inc. (Nasdaq: NUWE), a medical technology company focused on transforming the lives of people with fluid overload, today reported financial results for the fourth quarter and full year ended December 31, 2023. Highlights: ● Record qua ...