X0206 3 2025-05-20 0 0000909494 TUCOWS INC /PA/ TCX 0002071263 Nienaber Laurenz Malte 96 MOWAT AVENUE TORONTO A6 M6K 3M1 ONTARIO, CANADA 1 Common Stock 100 I by spouse. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. /s/ Katherine Young, attorney-in-fact for Mr. Nienaber 2025-06-06