X0206 3 2021-06-18 0 0000087802 SCIENTIFIC INDUSTRIES INC SCND 0001781002 Bleichroeder LP 1345 AVENUE OF THE AMERICAS 47TH FLOOR NEW YORK NY 10105 0 0 1 0 Common Stock 557895 I See Footnote Warrant to Purchase Common Stock 9.5 2021-06-18 2026-06-18 Common Stock 278947 I See Footnote This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to the investment funds that hold these securities. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP are the beneficial owners of the securities for purposes of Section 16 or for any other purposes. Michael M. Kellen, Chairman and CO-CEO of Bleichroeder LP 2021-06-24