On July 24, 2023, Joseph W. Meyer, Director, Finance and Accounting, Principal Financial Officer and Principal Accounting Officer of Navidea Biopharmaceuticals, Inc., informed the Company of his resignation. Mr. Meyer?s last day of employment with the Company will be August 11, 2023. On July 26, 2023 the Board of Directors of the Company appointed Craig Dais, age 57, as the Company?s Chief Financial Officer, effective upon his start date of July 28, 2023.

Mr. Dais will also serve as the Company?s Principal Financial Officer and Principal Accounting Officer, effective August 12, 2023 or if earlier upon Mr. Meyer?s departure from the Company. Mr. Dais joins the Company from Colorado Pain Care, LLC, where he served as Chief Financial Officer from 2020 to 2023, and from Ascent CFO Solutions, where he served as a fractional Chief Financial Officer from 2018 to 2020. From 2012 to 2018, Mr. Dais served as Chief Financial Officer at Duffy Crane & Hauling.

Mr. Dais began his career in public accounting with KPMG Peat Marwick and earned a B.S. in Accounting (Minor in Business) from the Metropolitan State University of Denver.