Biography

Ms. Sonnenmoser has served as a member of the board of directors of Testo SE since July 2025, a member of the board of directors of technotrans SE since July 2025 and a member of the Supervisory Board of Renk AG since June 2024. Ms. Sonnenmoser has been engaged by our Principal Shareholder to provide board services to us since June 2022.

Ms. Sonnenmoser previously served as a member of the board of directors of u-blox AG from November 2022 to November 2025, as Interim Chief Financial Officer of LSG Group from June 2023 to May 2024, as a member of the Supervisory Board for Leoni AG from May 2022 to August 2023, as the Chief Financial Officer of Ceconomy AG from March 2019 through April 2021 and as Group Chief Financial Officer of Zumtobel Group AG from May 2014 to March 2018. Ms. Sonnenmoser holds a Diplom-Kaufmann degree in Business Administration from the University of Augsburg and a Master of Business Administration from the University of Dayton. We believe Ms. Sonnenmoser's extensive accounting expertise and financial leadership, risk management experience and comprehensive corporate finance experience make her particularly qualified to serve on our board of directors.