Ordinary and extraordinary shareholders’ general meeting of July 26, 2017 Availability of the supporting documents

Bernin (Grenoble), France, on July 10, 2017 – Soitec (Euronext Paris), a world leader in generating and manufacturing revolutionary semiconductor materials, reminds that the Company’s Shareholders are invited to attend the Ordinary and Extraordinary Shareholders’ General Meeting to be held on Wednesday July 26, 2017 at 10.00 a.m. (Paris time), at the Company’s headquarters located Parc Technologique des Fontaines - Chemin des Franques - 38190 Bernin - France.

The meeting notice as provided for in Article R. 225-73 of the French commercial Code, including the text of resolutions to be submitted to the Shareholders’ vote during this General Meeting, has been published in the legal gazette (Bulletin des Annonces Légales Obligatoires) no. 74 of June 21, 2017, and is available for consultation on the Company’s website (www.soitec.com), in the section Company - Investors - Shareholders information - Annual General Meeting - 2017 - O&EGM July 26, 2017.

A rectifying notice to this meeting notice, as well as the notice to attend, have been published in the legal gazette (Bulletin des Annonces Légales Obligatoires) no. 82 of July 10, 2017, and are available for consultation on the Company’s website (www.soitec.com), in the section Company - Investors - Shareholders information - Annual General Meeting - 2017 - O&EGM July 26, 2017.

The information and documentation as referred to in Article R. 225-73-1 of the French commercial Code have been published on the Company’s website (www.soitec.com), in the section Company - Investors - Shareholders information - Annual General Meeting - 2017 - O&EGM July 26, 2017, within the 21-days legal period before the Shareholders’ Meeting.

Documents as listed in Articles L. 225-115, R. 225-81 and R. 225-83 of the French commercial Code, as well as the single postal voting or proxy form, are available at the Company and at BNP Paribas Securities Services, CTS Emetteur Assemblée - Grands Moulins de Pantin – 9, rue du Débarcadère - 93500 Pantin – France.

The shareholders have the possibility to obtain these documents by simple request. Such request shall be made by written form sent to the Company, at its headquarters’ address, or to BNP Paribas Securities Services, CTS Emetteur Assemblée - Grands Moulins de Pantin - 9, rue du Débarcadère - 93500 Pantin – France, at the latest six days before the date of the Shareholders’ Meeting.

Any shareholder may consult these documents at the Company’s headquarters during a 15-day period before the Shareholders’ Meeting.

For the bearer shareholders, such right can be exercised by providing an attendance certificate in the bearer shares accounts held by the financial intermediary in charge.

About Soitec

Soitec (Euronext, Tech 40 Paris) is a world leader in designing and manufacturing innovative semiconductor materials. The company uses its unique technologies and semiconductor expertise to serve the electronics markets. With more than 3,000 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

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