Organization

Personal Data

Professional career

Burkhardt Frick (born 1965) has more than 30 years experience in the high-tech industry. Before his appointment to the Management Board of SUSS in September 2023, he had worked for the leading global semiconductor equipment manufacturer ASML since 2014. As the Vice President of Strategic Sourcing & Supply Chain, he was initially responsible for purchasing and strategic partnerships with some of the company’s most important suppliers. Since 2021, as the Vice President of Corporate Marketing, he has supported the Management Board with the long-term product and market strategy. Between 1994 and 2014, Burkhardt Frick served in various management positions in Philips' mobile display and semiconductor business, with stations of several years each in the USA and Hong Kong. Specifically, he led strategic marketing and sales organizations and most recently served as a member of the Management Board of Assembléon, a former Philips subsidiary. Burkhardt Frick lived in Asia and the USA for many years and has an excellent network in the sales markets that are most important for SUSS.

Memberships of statutory supervisory boards in Germany: None

Memberships in comparable domestic and foreign supervisory bodies of commercial enterprises: None

Member of the Management Board since September 11, 2023. Currently appointed to the Management Board until September 10, 2026.

Personal Data

Professional career

Prior to her appointment to the Management Board of SUSS, Dr. Cornelia Ballwießer was most recently a member of the Executive Board and CFO of PWO AG, a mobility industry company listed in the Deutsche Boerse’s Prime Standard segment. There, between November 2020 and June 2023, she was responsible for finance, financial planning and analysis, investor relations, purchasing, IT, legal, compliance, and corporate governance. She served in various management roles in the automotive supply industry starting in 2001. She was responsible for controlling, accounting and corporate planning throughout the Group at LEONI AG, most recently as Senior Vice President for Corporate Planning and Corporate Accounting, before moving to the position of Managing Director and CFO at Hirschmann Car Communication GmbH. Ballwießer began her career at VIAG AG in Munich in 1995 and took charge of its corporate accounting activities in 1998. She studied business administration at Julius-Maximilians-Universitaet of Wuerzburg, where she worked as a research assistant at the Institute of Auditing and Consulting and completed her academic career with a doctorate in 1996.

Memberships of statutory supervisory boards in Germany: None

Memberships in comparable domestic and foreign supervisory bodies of commercial enterprises: None

Member of the Management Board since July 1, 2023. Currently appointed to the Management Board until June 30, 2026.

Personal Data

Professional career

Before his Ph.D. as Dr. Ing. at the University of Stuttgart in 2001, Thomas Rohe (born 1966) studied Physics at the Technical University of Darmstadt. In 2009 and 2010 he completed an MBA course at the Universities of Augsburg and Pittsburgh (USA). Thomas Rohe began his professional career in 1994 at the Fraunhofer Institute ICT. In 2001, he joined the industry at Carl Zeiss SMT GmbH, where he was initially responsible for developing wafer scanner optics as a product manager. In 2005, he became head of the LIT-TM Technology Mechatronics department. From 2007 to 2014, he also worked for companies of the Carl Zeiss Group as Business Unit Manager and, most recently, as Senior Director of Operations in the Electron Microscopy Business Unit. He then assumed the position of Executive Board member and COO of Prueftechnik Dieter Busch AG, which was sold to the American Fortive Group and its subsidiary Fluke, respectively, in July 2019. Thomas Rohe has a high level of understanding of technology and manufacturing and relevant industry experience.

Memberships of statutory supervisory boards in Germany: None

Memberships in comparable domestic and foreign supervisory bodies of commercial enterprises: None

Member of the Management Board since May 1, 2021. Currently appointed to the Management Board until April 30, 2027.

Personal Data

Member of the following committees

• Personal-/ and Nomination Committee (Chairman)
• Audit Committee

Professional career

For more than 30 years, Dr. David Dean has worked successfully at management level with global technology companies on their strategy and corporate development. After studying physics and completing his doctorate in theoretical nuclear physics, he began a scientific career before joining the Boston Consulting Group (BCG) in Munich in 1985. Dr. Dean was elected Partner in 1994 and Senior Partner in 2002 and was responsible for the Technology & Telecoms business in Europe between 1994 and 2000; between 2000 and 2006 he assumed global responsibility for this business. Since 2014, he has been an independent management consultant and member of various international supervisory bodies and regularly deals with the financial matters of the respective company. This includes accounting issues, risk management, annual and consolidated financial statements and corresponding discussions with the auditors.

Memberships in other statutory supervisory boards in Germany

None

Memberships in comparable domestic and foreign supervisory bodies of commercial enterprises

• Axiata Group Berhad, Kuala Lumpur, Malaysia (stock listed), Member of the Board of Directors, also a member of Audit Committee and Chairman of Risk & Compliance Committee
• PT XLSMART Telecom Sejahtera Tbk, Jakarta, Indonesia (listed), Member of the Board of Commissioners

Relevant knowledge, skills and experience

Dr. David Dean's professional background makes him a proven expert in strategy development and implementation. His extensive experience with various global technology companies should also be emphasized. Due to his many years as a member of the Audit Committee and as Chairman of the Risk and Compliance Committee of Axiata Group Berhad, he also has special knowledge and experience in the application of accounting principles and the design of internal control and risk management systems. Dr. David Dean thus qualifies as a financial expert within the meaning of Section 100 (5) of the German Stock Corporation Act.

Member and Chairman of the Supervisory Board since May 20, 2020. Elected until the AGM 2026. Lasted Reviewed April 17, 2025

Personal Data

Member of the following committees

• ESG Committee (Chairwoman)
• Personal-/ and Nomination Committee

Professional career

Dr. Myriam Jahn brings her diverse technical, sales, M&A and ESG experience to the Supervisory Board of SUSS: A graduate in business administration and M.Sc. in electrical engineering, with a doctorate in business informatics, she began her professional career in 1994 as a management consultant at the Boston Consulting Group in Düsseldorf. For 14 years, she worked for the ifm Group, a leading sensor technology company and thus a customer of the semiconductor industry. Most recently, Dr. Jahn was a member of the Management Board of TiSC AG and was responsible for the sales division. After three years at q.beyond AG, an IT company specializing in digitalization in the SME sector, Dr. Jahn headed the digitalization division of the Possehl Group (Possehl Digital GmbH) as Managing Director and CEO until the end of 2023.

Memberships in other statutory supervisory boards in Germany

• PVA TePla AG, Wettenberg (listed), Chairwoman of the Supervisory Board

Memberships in comparable domestic and foreign supervisory bodies of commercial enterprises

None

Relevant knowledge, skills and experience

Dr. Myriam Jahn has many years of experience as a board member and managing director of companies in the international mechanical and plant engineering, IT and automation technology sectors, as well as a background in business informatics, business administration and automation technology. As a “Qualified Supervisory Board Member” certified by Deutsche Börse and as an “Expert in Sustainability and ESG”, she also has additional knowledge that is particularly important for supporting an industry-specific sustainability strategy.

Member of the Supervisory Board and Vice Chairwoman since May 20, 2017. Elected until the AGM 2026. Lasted Reviewed April 17, 2025

Personal Data

Member of the following committees

• Audit Committee

Professional career

Dr. Bernd Schulte has been a member of the Supervisory Board of SUSS since November 2020 and was CEO of SUSS from October 2022 to September 2023. He returned to the Supervisory Board as planned on September 11, 2023. Prior to that, Dr. Schulte was President and member of the Management Board of AIXTRON SE in Herzogenrath until March 2021. Since 2017, he was responsible for areas including research and development, procurement, investor relations and communication, corporate governance, environmental, social and corporate management as well as compliance and risk management. From 2002 to 2017, Dr. Schulte was COO on the Management Board of the company, which he joined in 1993. Dr. Schulte began his academic career in 1983 with a degree in physics at the Technical University of Darmstadt. This was followed by a doctorate in 1993, also at the Technical University of Darmstadt.

Memberships in other statutory supervisory boards in Germany

None

Memberships in comparable domestic and foreign supervisory bodies of commercial enterprises

None

Relevant knowledge, skills and experience

Dr. Bernd Schulte is an expert in equipment manufacturing in the international semiconductor industry thanks to his many years of professional experience as a member of the Management Board and President of AIXTRON SE and as CEO of SUSS MircoTec SE. His experience includes the medium-sized manufacturing and research and development environment as well as the international environment of major customers, particularly in Asia.

Member of the Supervisory Board since November 6, 2020. Elected until the AGM 2026, interruption of Supervisory Board mandate from October 17, 2022, to September 10, 2023, as interim Management Board member for SUSS. Last Reviewed April 17, 2025

Personal Data

Member of the following committees

• Personal-/ and Nomination Committee
• Audit Committee
• ESG Committee

Professional career

With a degree in mechanical engineering, Jan Smits began his career in contract research at Eindhoven University of Technology (1980-1983). After a year as Technical Manager at Konings N.V., he moved to Philips Electronics. From 1983 to 1997, he was responsible for the planning and realization of various development and production facilities for the semiconductor industry, among others. In 1997, he joined ASML Holding N.V., where he held various management positions over a total of 22 years. Among other things, he was Executive Vice President “Deep UV” Lithography, responsible for the business unit of the same name. Prior to this position, he was responsible for EUV source development in collaboration with the laser and light source specialist Cymer, which was later acquired by ASML. From 2016 until his departure in 2019, he served as Executive Vice President of Strategic Sourcing & Procurement and as Legal Director of ASML NL. In his various roles, he nurtured and developed talent within his teams. Several of today's top executives at ASML have grown in teams he led.

Memberships in other statutory supervisory boards in Germany

None

Memberships in comparable domestic and foreign supervisory bodies of commercial enterprises

None

Relevant knowledge, skills and experience

Jan Smits has a proven track record as an expert in the semiconductor sector. During his long career in management positions at international companies in the semiconductor industry, he has gained extensive experience and knowledge at technology leaders in the semiconductor equipment sector. In addition to his expertise in the area of leadership in technology companies, his knowledge of the products and extensive experience in the area of production in the machine and plant engineering business should be emphasized.

Member of the Supervisory Board since May 20, 2020. Elected until the AGM 2025. Lasted Reviewed April 4, 2025

Personal Data

Member of the following committees

• Audit Committee (Chairwoman)
• ESG Committee

Professional career

Prof. Dr. Mirja Steinkamp is a tax consultant, auditor and professor of auditing and corporate accounting at HAW (Hamburg University of Applied Sciences). She worked for several years as an audit manager at the international auditing firm Ernst & Young GmbH and then spent 14 years as an authorized signatory and manager at a global trading company. Since 2022, Mirja Steinkamp has been a lecturer at Interfin Forum GmbH, which offers the courses “Qualified Supervisory Board” and “Specialist Supervisory Board in the Audit Committee/Financial Expert”. Mirja Steinkamp has many years of experience as Chair of the Audit Committee and as Deputy Chair of the Supervisory Board of listed and non-listed companies. As an auditor, tax advisor and Chairwoman of the Audit Committee, she has special knowledge and experience in the application of accounting principles in accordance with the German Commercial Code (HGB), the German Income Tax Act (EStG) and IFRS, the auditing of internal control and risk management systems (including the compliance management system) and the auditing of sustainability reporting.

Memberships of statutory supervisory boards in Germany

• Basler AG, Ahrensburg (listed company), Supervisory Board member (Chairwoman of the Audit and Sustainability Committee)
• Hochtief AG, Essen (listed company), Supervisory Board member (member of the Audit and Sustainability Committee)

Memberships in comparable domestic and foreign supervisory bodies of commercial enterprises

• BarthHass GmbH & Co. KG, Nuremberg (not listed company): Supervisory Board member (Deputy Chairwoman; Chairwoman of the Audit Committee)

Relevant knowledge, skills and experience

Due to her professional training as a tax consultant, auditor and auditor for sustainability reports, her many years of professional experience in the auditing industry, as an authorized signatory and manager in the finance department of a global trading company and as a professor of auditing and corporate accounting as well as her work on various auditing and sustainability committees, Prof. Dr. Mirja Steinkamp has special knowledge and experience in the application of accounting principles, auditing corporate governance systems and the preparation and auditing of annual and consolidated financial statements and (group) management reports as well as the preparation and auditing of annual and consolidated financial statements and (group) management reports. Dr. Mirja Steinkamp has special knowledge and experience in the application of accounting principles, the auditing of corporate governance systems and the preparation and auditing of annual and consolidated financial statements and (group) management reports as well as the auditing of sustainability reporting. Prof. Dr. Steinkamp thus qualifies as a financial expert within the meaning of Section 100 (5) of the German Stock Corporation Act (AktG).

Member of the Supervisory Board since March 10, 2022. Elected until the AGM 2026. Last Reviewed April 17, 2025