Since January 2019, Dr. Illek serves as the Chief Financial Officer of Deutsche Telekom, our significant stockholder and a leading European telecommunications company. Since April 2015, he has served as a Member of the Management Board of Deutsche Telekom: First as Chief Human Resources Officer (April 2015 to December 2018), then as Chief Financial Officer (January 2019 onwards). Dr. Illek currently serves as Chairman of the Supervisory Board of Telekom Deutschland. From January 2019 to February 2024, he served as Chairman of the Supervisory Board of Deutsche Telekom Services Europe. Furthermore, he served as Chairman of the Supervisory Board of T-Systems International from November 2016 to June 2021. Dr. Illek was Chairman of the Management Board of Microsoft Germany from September 2012 to March 2015. From April 2010 to September 2012, he was Director of Marketing at Telekom Deutschland. In this position, he was responsible for all marketing activities for both consumers and business customers in Germany. He also was in charge of the Wholesale Center, the Value-Added Services Center, and international product development for Deutsche Telekom's fixed network, IP TV, and business customer portfolio. Before joining Deutsche Telekom, Dr. Illek held various managerial positions at Bain and at Dell, both in Germany and Switzerland. Dr. Illek studied Chemistry and Business Administration in Düsseldorf and Munich. Qualifications & Skills Supporting Election to the Board: Expertise in global telecommunications industry Expertise in business, cybersecurity, human resources, and finance