Management Change/Compensation (Form 8-K)

Mr. Erb has served as a director of the Company since September 2012, as chairman of our Board since October 2012 and as Interim President and Chief Executive Officer since February 2025, before entering the role of President and Chief Executive Officer in June 2025. Previously, Mr. Erb served as president and chief executive officer from November 2015 to January 2021. He was executive chairman of the board (during 2007) and chief executive officer (from 2001 to 2006) of the previous owner of the Aquadex™ system, which was then known as CHF Solutions, Inc., a medical device company involved in the development, manufacturing and distribution of devices to treat congestive heart failure. Mr. Erb previously served as chief executive officer (from 2007 to 2020) of NuAx, Inc. (formerly Cardia Access, Inc.), a medical device company involved in developing new devices for the treatment of heart disease; president and chief executive officer of IntraTherapeutics, Inc., a medical device company involved in the development, manufacturing and distribution of peripheral vascular stents, from 1997 to 2001; and in various positions, including as vice president of worldwide operations at Schneider, a division of Pfizer, Inc., from 1991 to 1997. Mr. Erb's prior board experience includes service as a director of SenoRx, Inc., (a Nasdaq listed company), from December 2001 to July 2010; service as a director of CryoCath Technologies Inc., (a publicly traded Canadian company), from October 2000 to December 2008; and service as director of Vascular Solutions, Inc., (a Nasdaq listed company) from 2002 to 2019, where he also served as chairman of the Board (from 2011 to 2017) and chairman of the compensation and nominating and corporate governance committees. Mr. Erb served as a director and chief executive officer of NeuroMedic, Inc., a private company, from 2010 to 2020, when NeuroMedic was acquired by ReCor Medical, Inc. Mr. Erb currently serves as executive chairman of CorRen Medical, Inc. (formerly of CRS Teknologies, Inc.), a private company whose primary business is the development of diagnostic and therapeutic products to treat cardiorenal syndrome ("CorRen"); formerly served as chairman of the board of Osprey Medical, Inc., a public ASX company dedicated to improving heart imaging procedures, serves as chairman of the board for IR Medtek, a private company developing oncology products; and formerly served as a director of Miromatrix (Nasdaq: MIRO), Miromatrix, which was acquired by United Therapeutics in 2023 and as a director of Lymphatica Medtech, SA, a private Swiss medical device company focused on lymphatic disease from 2023-2024. Mr. Erb also serves as a director of AcQumenn Medical Inc., a startup device company focused on developing a diagnostic tool providing hemodynamic analytics. Mr. Erb received a B.A. in business administration, with a concentration in finance, from California State University, Fullerton.