Michael Tojner is the Chairman of the Board of Directors of Montana Tech Components AG and entrepreneur. Since 2006 CEO and majority owner, Montana Tech Components AG, Switzerland, including various functions in group companies. Dr. Tojner is the Chairman of the Board of Directors and majority owner of Montana Tech Components AG, which currently indirectly holds around 55.5% of the voting rights in the company and is therefore itself an indirectly significant shareholder with a significant controlling interest in the company. He maintains indirect business relationships with VARTA AKTIENGESELLSCHAFT and the VARTA AKTIENGESELLSCHAFT Group, which include a service agreement between Montana Tech Components GmbH and VARTA AG and a rental agreement between WertInvest Ellwangen Immobilien GmbH and VARTA Microbattery GmbH.