Sinch

Share Issue/Capital Change • Dec 30, 2025

Change in the number of shares and votes in Sinch

Sinch AB (publ) ("Sinch") today announces that the number of shares and votes in Sinch amounts to 845,611,910.

The change in the number of shares and votes is a result of 33,794 new shares issued in December upon exercise of stock options/warrants within the frame of incentive programs.

For further information, please contact

Mia Nordlander Head of Investor Relations & Sustainability Mobile: +46 73 511 53 95

E-mail: mia.nordlander@sinch.com

About Sinch

Sinch's vision is to connect every business with every customer, everywhere in the world. With the industry's most trusted foundation for intelligent customer communications, Sinch powers over 900 billion customer interactions annually for more than 190,000 customers across the globe. Leading global companies, including AI innovators, rely on Sinch to strengthen customer relationships and deliver seamless experiences across messaging, email, and voice. Profitable since its founding in 2008, Sinch generated net sales of USD 3 billion (SEK 28.7 billion) in 2024 and has over 4,000 employees in more than 60 countries, with headquarters in Stockholm. Sinch is listed on Nasdaq Stockholm (XSTO: SINCH). Visit us 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 08:00 CET on 30 December 2025.