Mr. Langheim joined the Board of Management of Deutsche Telekom, our significant stockholder and a leading integrated telecommunications company, on January 1, 2019, where he is responsible for the USA and Group Development Board department, overseeing Deutsche Telekom s U.S. business as well as corporate development, portfolio strategy and group M&A activities. This includes overseeing Deutsche Telekom s 12% stake in BT Group as well as the management of Deutsche Telekom s subsidiary Deutsche Funkturm. In addition, Mr. Langheim also serves as the Chairman and Co-founder of Deutsche Telekom Capital Partners, where he is responsible for the venture capital and private equity activities of Deutsche Telekom. Prior to that, from 2009 to December 2018, he first served as Senior Vice President of Corporate Development and then as Executive Vice President Group Development at Deutsche Telekom. Prior to his roles at Deutsche Telekom, Mr. Langheim was Managing Director at the Private Equity Group of The Blackstone Group, an asset management and financial services company, from May 2004 to June 2009, primarily focusing on private equity investments in Germany. Before that, Mr. Langheim was Investment Banker and Vice President European M&A at J.P. Morgan in London and Assistant Director at WestLB in Düsseldorf between 1995 and 2004. Mr. Langheim is a member of the Supervisory Board of Deutsche Sporthilfe and FC Bayern München AG as well as Chairman of Deutsche Funkturm. Mr. Langheim holds a Master of Science degree in International Securities, Investment and Banking from the ISMA Centre for Education and Research at the University of Reading (United Kingdom) and a Bachelor s degree (Hons) in European Finance and Accounting from the University of Bremen (Germany) and Leeds Business School (United Kingdom). Qualifications and Skills Supporting Election to the Board: Expertise in global telecommunications industry Experience overseeing telecommunications and technology investments Corporate strategy and M&A experience