0001104659-26-113106 Sample Contracts

FORM OF D&O SUPPORT AND VOTING AGREEMENT
D&o Support and Voting Agreement • October 2nd, 2026 • Sangoma Technologies Corp • Services-computer programming, data processing, etc.

The undersigned understands that the Purchaser, the Parent and Sangoma Technologies Corporation (the “Corporation”) wish to enter into an arrangement agreement dated as of the date hereof (the “Arrangement Agreement”) contemplating an arrangement (the “Arrangement”) of the Corporation under Section 182 of the Business Corporations Act (Ontario), the result of which shall be the acquisition by the Purchaser of all the outstanding common shares of the Corporation (the “Shares”).

BRC GROUP HOLDINGS, INC. as Parent and 1001755979 ONTARIO INC. as Purchaser and SANGOMA TECHNOLOGIES CORPORATION as Corporation ARRANGEMENT AGREEMENT Dated as of September 28, 2026
Arrangement Agreement • October 2nd, 2026 • Sangoma Technologies Corp • Services-computer programming, data processing, etc. • Ontario

THIS ARRANGEMENT AGREEMENT is made as of September 28, 2026 among BRC Group Holdings, Inc., a corporation incorporated under the laws of the State of Delaware (the “Parent”), 1001755979 Ontario Inc., a corporation incorporated under the laws of Ontario (the “Purchaser”), and Sangoma Technologies Corporation, a corporation incorporated under the laws of the Province of Ontario (the “Corporation” and, together with the Purchaser and the Parent, the “Parties”).