X0306 4 2019-06-07 0 0001540159 Edesa Biotech, Inc. EDSA 0001778981 MacDonald Sean Arthur C/O EDESA BIOTECH INC. 100 SPY COURT MARKHAM A6 L3R 5H6 ONTARIO, CANADA 1 0 0 0 Common Shares 2019-06-07 4 A 0 13583 0 A 13583 D Represents common shares of Edesa Biotech, Inc. (formerly known as Stellar Biotechnologies, Inc.)(the "Issuer") issued in the share exchange transaction that was completed on June 7, 2019, pursuant to that certain Share Exchange Agreement, dated March 7, 2019, by and among the Issuer, Edesa Biotech Inc. and the shareholders of Edesa Biotech Inc. All share numbers reflect the 1-for-6 reverse split of the Issuer's common shares which occurred on June 7, 2019. /s/Sean Arthur MacDonald 2019-06-11