Nathalie von Siemens was a member of the Board of Directors of Unify from 2011 to 2016. She has worked for Siemens AG in various positions: From 2011 to 2013 she was responsible for corporate talent development within the Corporate Development unit. Prior to that, she worked in the Corporate Portfolio Development team in Corporate Strategy for four years while also serving as a member of the Supervisory Board of NSN Management GmbH from 2009 to 2012. She joined Siemens AG in 2005 and completed the company’s graduate program.

Nathalie von Siemens studied Philosophy in Munich, Berlin and Paris and earned her Ph.D. in this field. She was born in Munich, Germany, in 1971.

Memberships in Supervisory Boards whose establishment is required by law or in comparable domestic or foreign controlling bodies of business enterprises

German positions:

• Messer SE & Co. KGaA
• Siemens Aktiengesellschaft (listed on the stock exchange)*
• Siemens Healthcare GmbH*
• Siemens Healthineers AG (listed on the stock exchange)*
• TÜV SÜD AG

• EssilorLuxottica S.A., France (listed on the stock exchange)