Change in Management Board of United Internet AG

CFO Carsten Theurer to leave United Internet on December 31, 2026 Andre Driesen to become new CFO as of November 1, 2026 MONTABAUR, GERMANY - September 24, 2026 ( NEWMEDIAWIRE ) - Carsten Theurer, Chief Financial Officer of United Internet AG, has decided at his own request to end his tenure at United Internet AG when his contract expires on December 31, 2026. The Supervisory Board of United Internet AG and Chief Executive Officer Ralph Dommermuth regret this decision. Philipp von Bismarck: “On behalf of the entire Supervisory Board, I would like to sincerely thank Mr. Theurer for the excellent and trusting cooperation over the past years. With great personal commitment, Mr. Theurer has played a key role in further developing the Group’s finance organization during his tenure on the Management Board and has provided important impetus for corporate governance, capital market communications, and the further development of Group-wide shared service structures and systems. My colleagues on the Supervisory Board and I wish Mr. Theurer all the best for his personal and professional future.” Carsten Theurer comments on his decision: “I would like to thank the Supervisory Board and Mr. Dom