X0206 3 2021-03-04 1 0001092662 CHEMBIO DIAGNOSTICS, INC. CEMI 0001848740 Bespalko David William C/O CHEMBIO DIAGNOSTICS, INC. 555 WIRELESS BOULEVARD HAUPPAUGE NY 11788 true s/ Mark L. Johnson as Attorney-in-Fact for David William Bespalko 2021-03-08