Sangoma Announces CFO Transition: Larry Stock to Retire June 30; Adrian Back Named Interim CFO; Board Commences Search for Permanent Successor

Sangoma Technologies Corporation (TSX: STC; Nasdaq: SANG) (“Sangoma” or the “Company”), a trusted industry leader uniquely offering businesses a choice of on-premises, cloud-based, or hybrid Communications as a Service solutions, today announced that Larry Stock has elected to retire from his role as Chief Financial Officer effective June 30, 2026, following nearly six years of distinguished service to the Company. Upon his retirement, Mr. Stock will remain available to the Company in a senior advisory capacity for a period of one year to ensure an orderly transition.

Effective July 1, 2026, Adrian Back, current Senior Vice President, Finance, will assume the role of Interim Chief Financial Officer. Concurrently, the Board of Directors has commenced a search to identify a permanent successor to the CFO role, which will include both internal and external candidates. The Company will provide an update on the search process as developments warrant.

“On behalf of Sangoma's executive leadership team and Board, I want to thank Larry for his exceptional service,” said CEO Charles Salameh. “Larry took on the CFO role at a pivotal time and set about doing exactly what the Company needed — he strengthened the balance sheet, instilled financial discipline across the organization, and leaves the Company in a meaningfully stronger financial position than when he arrived. That foundation is something the whole Company will benefit from for years to come.”