MARKHAM, ONTARIO, April 1, 2026 – Sangoma Technologies Corporation (TSX: STC; Nasdaq: SANG) (“Sangoma” or the “Company”), a trusted leader offering businesses Communications as a Service solutions on-premises, in the cloud or in a hybrid environment, is pleased to announce that the Toronto Stock Exchange (TSX) has accepted the notice filed by the Company to renew its current normal course issuer bid (NCIB).

The Company believes that the current market price of our common shares (“Shares”) represents an attractive opportunity given its strong fundamentals and long-term growth potential. The board of directors has therefore authorized the Company to continue an NCIB as a prudent and strategic use of capital. This share buyback program reflects our confidence in the Company’s future while preserving the financial flexibility needed to accelerate our strategic alternatives. The timing and amount of repurchases will depend on factors such as valuation, liquidity and potential acquisitions.

During the 12-month period commencing April 6, 2026 and ending no later than April 5, 2027, Sangoma may purchase up to 1,663,939 Shares, representing approximately 5% of the total 33,278,790 Shares outstanding as of March 24, 2026. The NCIB will be conducted through the facilities of the TSX, the Nasdaq Global Select Market or other Canadian trading systems. Shares will be acquired at market price and cancelled.

The average daily trading volume of the Shares on the TSX (ADTV) for the last six calendar months is 24,845. In accordance with TSX policies, daily purchases under the NCIB will be limited to 6,211 Shares, or 25% of the ADTV, subject to the Company’s ability to make one block purchase of Shares per calendar week in excess of this limit. The Company will fund purchases of Shares under the NCIB from excess cash generated by its operations.

Under its notice of intention to make an NCIB, for which the Company received TSX approval to purchase up to 1,679,720 Shares, the Company purchased 710,435 Shares through the facilities of the TSX, the Nasdaq Global Select Market and other Canadian trading systems at a weighted average price of C$7.52 per Share.

Sangoma has entered into an automatic share purchase plan with a designated broker to allow for the purchase of Shares under the NCIB at times when the Company would not normally be permitted to purchase Shares because of self-imposed blackout periods, insider trading rules or other constraints.

About Sangoma Technologies Corporation

Sangoma (TSX : STC ; Nasdaq : SANG) is an enterprise communications platform provider offering solutions including its UCaaS, CCaaS, CPaaS and trunking technologies. Its enterprise-grade communications suite is developed in-house and available for cloud, hybrid or on-premises deployments. Sangoma also offers managed connectivity, networking and security services. A trusted partner for more than 40 years, Sangoma has more than 2.7 million UC seats across a diverse base of over 100,000 customers. Sangoma has been recognized for nine consecutive years in the Gartner UCaaS Magic Quadrant. As developer and primary sponsor of the open-source Asterisk and FreePBX projects, Sangoma is committed to continually advancing communications technology. For more information, visit www.sangoma.com.

Cautionary Statement Regarding Forward-Looking Statements

This press release contains forward-looking statements, including statements concerning the future success of our business, development strategies and future opportunities.

Forward-looking statements are provided to present management’s current expectations and plans regarding the future, and readers are cautioned that these statements may not be appropriate for other purposes. Forward-looking statements include, but are not limited to, statements relating to the Company’s ongoing review of strategic alternatives, the anticipated impact of these alternatives on shareholder value, and other statements that are not historical facts. When used in this document, words such as « could », « plan », « estimate », « believe », « expect », « will », « intend », « may », « potential », « should » and similar expressions indicate forward-looking statements.

Although Sangoma believes that the expectations reflected in these forward-looking statements are reasonable, they involve risks and uncertainties, and no assurance can be given that actual results will conform to them. Forward-looking statements are based on management’s opinions and estimates as of the date they are made and are subject to various risks, uncertainties and other factors that may cause actual events or results to differ from those projected.

Readers are cautioned not to place undue reliance on forward-looking statements, as no assurance can be given that the plans, intentions or expectations on which they are based will be realized. By their nature, forward-looking statements involve numerous assumptions and known and unknown risks, both general and specific, that contribute to the possibility that the predictions, projections and other events contemplated by them will not occur. Although Sangoma believes the expectations represented by these forward-looking statements are reasonable, no assurance can be given as to their accuracy, since they are inherently subject to business, economic and competitive uncertainties and contingencies. Some of the risks and other factors that could cause actual results to differ from those expressed in forward-looking statements include, but are not limited to, risks related to fluctuations in exchange rates between the Canadian dollar and other currencies (particularly the U.S. dollar), technological changes, changes in the economic climate, macroeconomic conditions, including (i) inflationary pressures and potential recessionary conditions, as well as actions taken by central banks and regulators around the world to reduce, limit and address these pressures and conditions, including any increases in interest rates, and (ii) the effects of adverse developments in financial institutions, including bank failures, that affect general sentiment regarding the stability and liquidity of banks, and the resulting impact on the stability of global financial markets, risks related to any pandemic or epidemic, our ability to identify and effectively remediate material weaknesses and significant deficiencies in our internal controls, our current level of indebtedness and our ability to incur additional short- and long-term indebtedness; changes in the regulatory environment, the imposition of tariffs, the declining importance of the PSTN (as defined in our MD&A), goodwill amortization and new competitive pressures, political unrest, geopolitical instability and tensions, or terrorist attacks, as well as changes associated with trade policies and global economic sanctions, including, but not limited to, in connection with (x) the ongoing conflict in Ukraine (the “Russo-Ukrainian War”) and (y) any impact, effect, damage, destruction and/or personal injury directly or indirectly related to ongoing hostilities in the Middle East, and technological changes affecting the development of our products and the implementation of our business requirements, particularly with respect to automation and the use of artificial intelligence (“AI”), and the other risk factors described in our latest annual information form for the fiscal year ended June 30, 2025.