X0306 4 2019-06-07 0 0001540159 Edesa Biotech, Inc. EDSA 0001777962 Nijhawan Pardeep C/O EDESA BIOTECH INC. 100 SPY COURT MARKHAM A6 L3R 5H6 ONTARIO, CANADA 1 1 1 0 Chief Executive Officer Common Shares 2019-06-07 4 A 0 507129 0 A 507129 D Common Shares 2019-06-07 4 A 0 1988424 0 A 1988424 I Held by Pardeep Nijhawan Medicine Professional Corporation Common Shares 2019-06-07 4 A 0 211506 0 A 211506 I Held by The Digestive Health Clinic Inc. Stock Option (right to buy) 0.38 2019-06-07 4 A 0 44823 0 A 2027-09-26 Common Shares 44823 44823 D Stock Option (right to buy) 0.38 2019-06-07 4 A 0 1529 0 A 2028-12-28 Common Shares 1529 1529 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. ("Edesa") and the shareholders of Edesa Biotech Inc. All share numbers and exercise prices reflect the 1-for-6 reverse split of the Issuer's common shares which occurred on June 7, 2019. Each of Pardeep Nijhawan Medicine Professional Corporation and The Digestive Health Clinic Inc. are wholly-owned by Pardeep Nijhawan. In Canadian currency. This option was issued in replacement of an option to purchase shares of Edesa. This option vests and becomes exercisable 1/3 on 9/26/18, and monthly thereafter through 9/26/20. This option vests and becomes exercisable 1/3 on 12/28/19, and monthly thereafter through 12/28/21. /s/Pardeep Nijhawan 2019-06-11