MILLICOM INTERNATIONAL CELLULAR SA

The Board of Directors and the executive management of the company reaffirm their responsibility to ensure the maintenance of proper accounting records disclosing the consolidated financial position of the Group with reasonable accuracy at any time, and ensuring that an appropriate system of internal controls is in place to ensure that the Group’s business operations are carried on efficiently and transparently.

In accordance with Article 4 of the law of January 11, 2008 on transparency requirements in relation to information about issuers whose securities are admitted to trading on a regulated market, Millicom declares that, to the best of our knowledge, the interim condensed consolidated financial statements for the six-month period ended June 30, 2025, prepared in accordance with IAS 34 ‘Interim Financial Reporting’ as adopted for use in the European Union, give a true and fair view of the assets, liabilities, financial position and results of the interim period.

In addition, management’s report includes a fair review of the development and performance of the Group’s operations during the interim period and of business risks, where appropriate, faced by the Group.

Signed on August 7, 2025

On behalf of Millicom International Cellular S.A., by: