X0306 5 2018-12-31 0 1 0001653821 CEN BIOTECH INC CENBF 0001737899 Aubrey de Lavenu Harold Andre 300-3295 QUALITY WAY WINDSOR, ONTARIO, CANADA A6 N8T 3R9 ONTARIO, CANADA 1 Convertible note 1.60 2018-11-15 4 J 0 171632 1.60 D 2016-11-25 Common Stock 107270 548980 D On November 15, 2018, $171,632 of a $200,000 convertible promissory note issued by the issuer on November 25, 2016 to the reporting person was repaid by the issuer to the reporting person thereby reducing the amount due under the note to $28,368 and accordingly reducing the number of common stock shares of the issuer issuable upon conversion of the promissory note from 125,000 shares of common stock by 107,270 shares of common stock to 17,730 shares of common stock. The convertible note matured on November 25, 2018, however, the ability to convert the note into shares did not expire on such maturity date. At December 31, 2018, the reporting person also held 33,321 shares of the issuer's common stock directly, and held convertible promissory notes convertible into 548,980 shares of the issuer's common stock. The reporting person has served as a member of the board of directors of the issuer since July 2017 and was appointed to serve as a vice president of the issuer on April 2, 2021. /s/ Harold Aubrey de Lavenu 2021-05-28