Bernin (Grenoble), France, July 10, 2015 – Soitec, a world leader in generating and
manufacturing revolutionary semiconductor materials, today announced the appointment of
Grégoire Duban as Chief Financial Officer. This recruitment supports the ongoing strategic
refocusing of the Group’s activities on its core electronics business, as Soitec announced on
January 19.

Grégoire Duban, who will report to Paul Boudre, Soitec’s Chief Executive Officer, will also
oversee the restructuring of the Group. In this role, he will work closely with Thierry Tron, who
has been appointed as Soitec’s Deputy Chief Financial Officer after having led the management
control department for four years, then joining the team supervising treasury, financial
consolidation and subsidiary accounting from 2009.

Grégoire Duban will focus on executive management’s and the administrative affairs and finance
division’s plans to restructure the Group, finalize the divestment of the solar systems division’s
assets, cut costs and boost its financial performance.

Grégoire Duban, a graduate in law (Université d’Assas, Paris) and the holder of a diploma in
financial analysis (American Institute of Banking, New York), also gained a PMD master’s
degree in finance from Harvard Business School (Boston). Grégoire Duban is also a Senior
Advisor at Grant Thornton Executive. Before joining Soitec, Grégoire Duban was Senior Director
of Finance at Alvarez & Marsal France. Previously, he held CFO/CEO positions at DEKRA
Automotive, Diana Ingredients, Gravograph and Sediver, after investment banking roles with
Indosuez and the Crédit Agricole group in the United States.

“Grégoire Duban possesses over 18 years’ experience in leading change under corporate
restructuring programs at groups in the energy, digital and automotive sectors. His expertise is
focused on improving operating performance, implementing new business models, restructuring
operations and refocusing businesses to increase the profitability of groups in transition, such as
ours. I am delighted to welcome him on board”, stated Paul Boudre.

“I would also like to express my gratitude to Olivier Brice, who is leaving his position as Chief
Financial Officer to move on to new responsibilities, after supporting Soitec in recent years with
tremendous professionalism and outstanding commitment”, concluded Paul Boudre.

About Soitec:
Soitec (Euronext, Paris) is a world leader in designing and manufacturing highperformance
semiconductor materials. The company uses its unique technologies and semiconductor expertise
to serve the electronics and energy markets. With 3,600 patents worldwide, Soitec’s strategy is
based on disruptive innovation to answer its customers’ needs for high performance, energy
efficiency and cost competitiveness. Soitec has manufacturing facilities, R&D centers and offices
in Europe, the U.S. and Asia. For more information, please visit www.soitec.com and follow us
on Twitter: @Soitec_EN and @Soitec_FR.