Sinch

Declaration of Voting Results & Voting Rights Announcements • Jul 31, 2025

Change in the number of shares and votes in Sinch AB (publ)

Stockholm, Sweden – 31 July 2025 – Sinch AB (publ), which is pioneering the way the world communicates through its Customer Communications Cloud, today announces that the number of shares and votes in Sinch AB (publ), registration number 556882-8908 ("Sinch"), amounts to 844,935,967.

The change in the number of shares and votes is a result of 311,881 new shares issued in July upon exercise of stock options/warrants within the frame of incentive programs.

For further information, please contact

Ola Elmeland Investor Relations Director Mobile: +46 721 43 34 59 E-mail: investors@sinch.com

About Sinch

Sinch is pioneering the way the world communicates. More than 175,000 businesses – including many of the world's largest tech companies – rely on Sinch's Customer Communications Cloud to improve customer experience through mobile messaging, voice and email. Sinch has been profitable and fastgrowing since it was founded in 2008. It is headquartered in Stockholm, Sweden, with shares traded at NASDAQ Stockholm: XSTO:SINCH. Learn more at sinch.com.

This information is information that Sinch AB (publ) is obliged to make public pursuant to the Financial Instruments Trading Act (1991:980). The information was submitted for publication, through the agency of the contact person set out above, at 18:30 CEST on 31 July 2025.