Jan Klingelnberg, born 1971, Swiss citizen, has been a member of the Board of Directors of KLINGELNBERG AG since 2023. Mr. Klingelnberg was Chief Executive Officer of the Group from 2004 to 2024. In addition, Mr. Klingelnberg has been a member of the Supervisory Board of INDUS Holding AG since 2023. From 2002 to 2004, he was Head of the KLINGELNBERG Group's Cylindrical Gears division and Managing Director of KLINGELNBERG GmbH, Germany. Between 2000 and 2002, Mr. Klingelnberg held various positions at ZF Passau GmbH in Brazil and the USA. Prior to that, he was manager for strategic planning at SMS Demag AG in Germany. From 2008 to 2024, Mr. Klingelnberg is also a member of the Managing Board of the VDMA for machine tools and production systems, a trade association for the industry in which the Company operates. Mr. Klingelnberg holds a degree in industrial management from Carnegie Mellon University in Pittsburgh, USA.