Announcement of the merger plan

T-Mobile Polska S.A.

The Management Board of T-MOBILE POLSKA S.A. (the “Acquiring Company”), with its registered office in Warsaw, acting pursuant to Article 500 § 2¹ of the Polish Commercial Companies Code, hereby announces that on 16th of July 2026 the Merger Plan was agreed and signed with T-MOBILE POLSKA BUSINESS SOLUTIONS sp. z o.o., with its registered office in Warsaw (the “Acquired Company”) (the “Merger Plan”).

The merger will be carried out pursuant to Article 492 § 1 item 1 of the Commercial Companies Code (merger by acquisition), through transfer of all assets of T-MOBILE POLSKA BUSINESS SOLUTIONS sp. z o.o. to T-MOBILE POLAND S.A. (the “Merger”).

As a result of the Merger, the Acquired Company will be dissolved without liquidation.

Due to the fact that the Acquiring Company holds all the shares of the Acquired Company, the merger will be carried out in accordance with Article 515 § 1 and Article 516 § 6 of the Commercial Companies Code, i.e. without increasing the share capital of the Acquiring Company and without exchanging the shares of the Acquired Company for shares in the share capital of the Acquiring Company. Together with this announcement, the Company hereby publishes the Merger Plan with annexes, prepared in accordance with Article 499 of the Commercial Companies Code.

Attachment: Merger Plan