X0306 4 2019-04-01 0000909494 TUCOWS INC /PA/ TCX 0001244261 NOSS ELLIOT 96 MOWAT AVENUE TORONTO A6 M6K 3M1 ONTARIO, CANADA 1 1 Chief Executive Officer Common Stock 2019-04-01 4 S 0 1500 79.52 D 555635 D Common Stock 114670 I Per EN RRSP Common Stock 1639 I Per EN TFSA Common Stock 6000 I Per EN US Retirement Savings Account Common Stock 56127 I Per Rachel Grinberg Common Stock 6206 I Held in trust for children Alex and Joe Noss These shares were sold by the filers broker under Rule 10b5-1. These shares were sold on the TSX and the price reported in Column 4 is derived from a weighed average price of $106.05 CAD. The Bank of Canada rate for April 1, 2019 was 1.3337 giving a USD price of $79.52. These shares were sold in multiple transactions at prices ranging from CAD 106.00 to CAD 106.08. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each price within the ranges set forth in this footnote. /s/ Elliot Noss 2019-04-01