X0202 SCHEDULE 13G/A 0000945621-23-000091 0001538449 XXXXXXXX LIVE 8 Common Shares 03/31/2026 0001753368 Sangoma Technologies Corp 80100R408 Bay-Adelaide Centre 333 Bay St. Suite 3400 Toronto A6 M5H 2S7 Rule 13d-1(b) Mawer Investment Management Ltd. A0 1540208 0 1540208 0 1540208 N 4.64 IA Based upon 33,216,981 Common Shares of Sangoma Technologies Corporation (the "Issuer") outstanding as of December 31, 2025, as reported in the Issuer's Interim Management Discussion and Analysis filed with the Securities and Exchange Commission on February 4, 2026. Sangoma Technologies Corp Bay-Adelaide Centre, 333 Bay St. Suite 3400, Toronto, Ontario, Canada, M5H 2S7 Mawer Investment Management Ltd. 600, 517 - 10th Avenue SW Calgary, Alberta, Canada T2R 0A8 Canada N IA 1,540,208 4.64% 1,540,208 0 1,540,208 0 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Mawer Investment Management Ltd. /s/ Jeff Mo 04/06/2026