Soitec announces withdrawal of Silicon Genesis' patent lawsuit

Bernin (Grenoble), France, May 23, 2016 — Soitec (Euronext), a world leader in manufacturing
semiconductor materials for the electronics industry, today announced that on May 18, 2016, Silicon
Genesis Corporation (SiGen) filed a motion to terminate the investigation by the U.S. International Trade
Commission (ITC) in its entirety on the basis of the withdrawal of its complaint directed to silicon-on-
insulator (SOI) wafers sold and imported into the United States by Soitec (see press release dated
December 9, 2015).

A robust patent portfolio is a key part of Soitec’s business model, which protects both manufacturing and
licensing operations. The company uses its state-of-the-art innovative technologies to enhance the
performance and energy efficiency of semiconductors. Today, Soitec’s IP portfolio contains more than
3,000 patents covering multiple technologies for manufacturing engineered wafers ─ mainly SOI wafers
─ which are used in making leading-edge products. SOI technology is critical for the global electronics
chip industry, with SOI based chips being used in smart phones, tablets, servers, cars and networks.

About Soitec: Soitec (Euronext) is a world leader in designing and manufacturing innovative
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