X0206 3 2021-10-01 1 0000810509 NAVIDEA BIOPHARMACEUTICALS, INC. NAVB 0001886391 Mikhail Michel 4995 BRADENTON AVE., SUITE 240 DUBLIN OH 43017 1 Chief Regulatory Officer /s/ Jed A. Latkin for Michel Mikhail, by Power of Attorney 2021-10-05