X0306 4 2020-03-23 0000909494 TUCOWS INC /PA/ TCX 0001645310 Rader Ross 96 MOWAT AVENUE TORONTO A6 M6K 3M1 ONTARIO, CANADA 1 vp Customer Experience Common Stock 2020-03-23 4 M 0 1563 8.56 A 39315 D Common Stock 2020-03-23 4 F 0 622 48 D 38693 D Common Stock 2020-03-23 4 M 0 1725 15.93 A 40418 D Common Stock 2020-03-23 4 F 0 881 48 D 39537 D Common Stock 2020-03-23 4 M 0 5000 19.41 A 44537 D Common Stock 2020-03-23 4 F 0 2819 48 D 41718 D Common Stock 2020-03-23 4 M 0 5000 21.10 A 46718 D Common Stock 2020-03-23 4 F 0 2949 48 D 43769 D Stock Option (Right to Buy) 8.56 2020-03-23 4 M 0 1563 8.56 D 2017-05-12 2020-05-12 Common Stock 1563 0 D Stock Option (Right to Buy) 15.93 2020-03-23 4 M 0 1725 15.93 D 2018-08-10 2021-08-10 Common Stock 1725 0 D Stock Option (Right to Buy) 19.41 2020-03-23 4 M 0 5000 19.41 D 2019-01-01 2022-01-01 Common Stock 5000 0 D Stock Option (Right to Buy) 21.10 2020-03-23 4 M 0 5000 21.10 D 2020-03-01 2023-03-01 Common Stock 5000 0 D Stock options granted under the 2006 Equity Compensation Plan vest in four (4) equal installments of 25% each beginning on the first anniversary of the grant date. Under the terms of the Issuer's stock incentive plan, these shares were withheld by the Issuer to cover the option exercise price and tax withholding obligations related to the net exercise of the above options. /s/ Ross Rader 2020-03-23