Members of the Supervisory Board of Deutsche Telekom AG in 2025

Dr. Frank Appel

Member of the Supervisory Board since April 7, 2022
Chair of the Supervisory Board since April 7, 2022
Former Chair of the Board of Management of Deutsche Post AG, Bonn

Memberships of other supervisory boards required to be formed by law:

• Fresenius Management SE, Bad Homburg vor der Höhe (since 5/2021)
• RWE AG, Essen (since 5/2024), Chair of the Supervisory Board (since 4/2025) ^a

Odysseus D. Chatzidis

Member of the Supervisory Board since January 3, 2018
Chair of the European Works Council of Deutsche Telekom AG, Bonn
– No other seats –

Eric Daum

Member of the Supervisory Board since November 7, 2023
First Deputy Chair of the Group Works Council of Deutsche Telekom AG, Bonn

Memberships of other supervisory boards required to be formed by law:

• Deutsche Telekom Service GmbH, Bonn (since 1/2016) ^b

Rachel Empey

Member of the Supervisory Board since April 9, 2025
Former member of the Board of Management of Fresenius Management SE, Bad Homburg vor der Höhe

Memberships of other supervisory boards required to be formed by law:

• Bayerische Motoren Werke Aktiengesellschaft, Munich (since 9/2021) ^aab
• ZF Friedrichshafen AG, Friedrichshafen (since 3/2023)

Constantin Greve

Member of the Supervisory Board since November 20, 2018
Chair of the Central Works Council of Deutsche Telekom AG, Bonn
– No other seats –

Natalie Knight

Member of the Supervisory Board since April 9, 2025
Former Member of the Board of Directors of Stellantis N.V., Hoofddorp, Netherlands
– No other seats –

Dagmar P. Kollmann

Member of the Supervisory Board since May 24, 2012
Entrepreneur, member of several supervisory boards and advisory boards as well as the Monopolies Commission
Former CEO of Morgan Stanley Bank, Frankfurt/Main
Former Member of the Board of Directors of Morgan Stanley Bank International Limited, London, United Kingdom

Memberships of other supervisory boards required to be formed by law:

• Citigroup Global Markets Europe AG, Frankfurt/Main, Chair of the Supervisory Board (since 11/2021)

Memberships of comparable supervisory bodies of business enterprises in Germany or abroad:

• Coca Cola European Partners plc, London, United Kingdom (5/2019 to 5/2025) ^a
• Paysafe Holdings UK Limited, London, United Kingdom (since 3/2021) ^a
• Unibail-Rodamco SE, Paris, France, Member of the Supervisory Board (5/2014 to 4/2025) ^a

Petra Steffi Kreusel

Member of the Supervisory Board since January 1, 2013
Senior Vice President, Customer & Public Relations at Deutsche Telekom Geschäftskunden GmbH, Bonn
Group Officer for Digital Education and School at Deutsche Telekom AG, Bonn
Chair of the Executive Staff Representation Committee of Deutsche Telekom Geschäftskunden GmbH, Bonn
Deputy Chair of the Group Executive Staff Representation Committee of Deutsche Telekom AG, Bonn

Memberships of other supervisory boards required to be formed by law:

• Deutsche Telekom Geschäftskunden GmbH, Bonn (since 10/2023) ^bab

Harald Krüger

Member of the Supervisory Board since May 17, 2018
Managing partner of KC&C GmbH, Gräfelfing
Former Chair of the Board of Management of Bayerische Motoren Werke Aktiengesellschaft, Munich

Memberships of other supervisory boards required to be formed by law:

• Deutsche Lufthansa AG, Cologne (since 5/2020) ^a

Kerstin Marx

Member of the Supervisory Board since May 1, 2020
Chair of the Group Works Council of Deutsche Telekom AG, Bonn

Memberships of other supervisory boards required to be formed by law:

• Deutsche Telekom Geschäftskunden GmbH, Bonn (since 10/2023) ^b

Dr. Reinhard Ploss

Member of the Supervisory Board since April 5, 2023
Chairman of the Supervisory Board of Knorr-Bremse AG, Munich
Former CEO of Infineon Technologies AG, Neubiberg

Memberships of other supervisory boards required to be formed by law:

• Knorr-Bremse AG, Munich, Chairman of the Supervisory Board (since 5/2022) ^a

Memberships of comparable supervisory bodies of business enterprises in Germany or abroad:

• CustomCells Holding GmbH, Itzehoe, Advisory Board Chair (9/2023 to 5/2025)

Stefan Ramge

Member of the Supervisory Board since January 2, 2025
Head of Directorate-General VIII at the Federal Ministry of Finance, Berlin

Memberships of other supervisory boards required to be formed by law:

• Bundesdruckerei Gruppe GmbH, Berlin (since 8/2018)
• Flughafen Berlin Brandenburg GmbH, Berlin (since 11/2022)
• Telekom Deutschland GmbH, Bonn (since 11/2016) ^b

Frank Sauerland

Member of the Supervisory Board since November 20, 2018
Head of the Collective Bargaining Policy Committee IKT, National Committee A at the ver.di National Executive Board, Berlin

Memberships of other supervisory boards required to be formed by law:

• Telekom Deutschland GmbH, Bonn (since 12/2016), Deputy Chair of the Supervisory Board (since 1/2017) ^b

Christoph Schmitz-Dethlefsen

Member of the Supervisory Board since November 7, 2023
Deputy Chair of the Supervisory Board since January 1, 2024
Member of the ver.di National Executive Board, Head of Department for Financial Services, Communication and Technology, Culture, Supply and Disposal, Berlin

Memberships of other supervisory boards required to be formed by law:

• AXA Konzern AG, Cologne (since 4/2017)

Susanne Schöttke

Member of the Supervisory Board since April 7, 2022
Head of the North state district of ver.di, Lübeck

Memberships of other supervisory boards required to be formed by law:

• MVV Energie AG, Mannheim (since 2/2021) ^aab

Nicole Seelemann-Wandtke

Member of the Supervisory Board since July 5, 2018
Member of the Works Council of the Consumers unit of Telekom Deutschland GmbH, Bonn

Memberships of other supervisory boards required to be formed by law:

• Telekom Deutschland GmbH, Bonn (since 10/2023) ^b

Karl-Heinz Streibich

Member of the Supervisory Board since October 1, 2013
Honorary chair of the acatech senate – Deutsche Akademie der Technikwissenschaften e.V. (National Academy of Science and Engineering), Munich

Memberships of other supervisory boards required to be formed by law:

• Siemens Healthineers AG, Munich (since 3/2018), Deputy Chair of the Supervisory Board (since 2/2023) ^a

Margret Suckale

Member of the Supervisory Board since September 28, 2017
Member of several supervisory boards and former Member of the Board of Executive Directors of BASF SE, Ludwigshafen am Rhein

Memberships of other supervisory boards required to be formed by law:

• DWS Group GmbH & Co. KGaA, Frankfurt/Main (since 3/2018) ^a
• Heidelberg Materials AG, Heidelberg (since 8/2017) ^a
• Infineon Technologies AG, Neubiberg (since 2/2020) ^a

Memberships of comparable supervisory bodies of business enterprises in Germany or abroad:

• Greiner AG, Kremsmünster, Austria (since 6/2023)

Karin Topel

Member of the Supervisory Board since July 1, 2017
Chair of the Works Council of Deutsche Telekom Technik GmbH, Bonn, Technical Branch Office, Eastern District

Memberships of other supervisory boards required to be formed by law:

• Deutsche Telekom Technik GmbH, Bonn (since 12/2022) ^b

Stefan B. Wintels

Member of the Supervisory Board since April 7, 2022
CEO of KfW, Frankfurt/Main

Memberships of other supervisory boards required to be formed by law:

• Deutsche Post AG, Bonn (since 5/2022) ^aab

Memberships of comparable supervisory bodies of business enterprises in Germany or abroad:

• KfW Capital GmbH & Co. KG, Frankfurt/Main, Chair of the Supervisory Board (since 11/2021)

Supervisory Board members who left in the 2025 financial year: ^cc

Lars Hinrichs

Member of the Supervisory Board from October 1, 2013 to April 9, 2025
Managing Partner of Cinco Capital GmbH, Hamburg, and of Digital Art Museum GmbH, Hamburg
Managing Director of HackFwd Admin GmbH, Hamburg

Memberships of other supervisory boards required to be formed by law:

• Xempus AG, Munich (since 1/2016), Deputy Chair of the Supervisory Board (since 10/2023)

Memberships of comparable supervisory bodies of business enterprises in Germany or abroad:

• Target Global Acquisition I Corp., Grand Cayman, Cayman Islands (since 3/2021)
• Simsalasim, Inc., New York, United States, Board member (since 12/2024)

Dr. Helga Jung

Member of the Supervisory Board from May 25, 2016 to April 9, 2025
Former Member of the Board of Management of Allianz SE, Munich

Memberships of other supervisory boards required to be formed by law:

• Allianz Global Corporate & Specialty SE, Munich, Deputy Chair of the Supervisory Board (since 5/2013)
• Allianz Lebensversicherungs-AG, Stuttgart (since 4/2020)