Soitec

Registration Form • Jul 5, 2019

AVAILABILITY OF THE 2018-2019 REGISTRATION DOCUMENT

Bernin (Grenoble), France, on July 5, 2019 – Soitec (Euronext Paris), a world leader in designing and manufacturing innovative semiconductor materials, today announces the release of its Registration Document for the 2018-2019 fiscal year ended on March 31, 2019, prior filed with the French stock market authority (Autorité des Marchés Financiers, or AMF) under visa no. D.19-0649 dated July 4, 2019.

The French version of the 2018-2019 Registration Document is available for consultation on the Company's website (www.soitec.com), in the section Company - Investors - Financial Reports - All reports - 2018-2019, at the following link: https://www.soitec.com/fr/investisseurs/rapports-financiers-2018-2019.

An English courtesy translation for information purposes will very shortly be made available on the Company's website (www.soitec.com), in the section Company - Investors - Financial Reports - All Financial Reports - 2018-2019, at the following link: https://www.soitec.com/en/investors/financial-reports-2018-2019.

The 2018-2019 Registration Document contains:

• The 2018-2019 integrated report;
• the 2018-2019 annual financial report;
• the 2018-2019 management report, including the 2018-2019 Group management report;
• the 2018-2019 Board of Directors' report on corporate governance;
• the 2018-2019 statement of non-financial performance;
• the Statutory Auditors' report on the 2018-2019 statutory financial statements;
• the Statutory Auditors' report on the 2018-2019 consolidated financial statements;
• the Statutory Auditors' special report on the 2018-2019 regulated agreements and commitments;
• the report by one of the Statutory Auditors, appointed as independent third party, on the consolidated statement of non-financial performance included in the 2018-2019 management report;
• the special report on the transactions carried out on stock options for the 2018-2019 fiscal year;
• the special report on the transactions carried out on free shares for the 2018-2019 fiscal year;
• the description of the Company's share buy-back program that will be submitted to the vote of the Ordinary and Extraordinary Shareholders' General Meeting of July 26, 2019;
• the text of resolutions that will be submitted to the vote of the Ordinary and Extraordinary Shareholders' General Meeting of July 26, 2019;
• the Board of Directors' report to the Ordinary and Extraordinary Shareholders' General Meeting of July 26, 2019;
• the description of the fees paid to the Statutory Auditors.

About Soitec

Soitec (Euronext, 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 3,500 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

Soitec and Smart Cut are registered trademarks of Soitec.

For additional information, please contact:

Investor Relations:

Steve Babureck +33 (0)6 16 38 56 27 +1 858 519 6230 steve.babureck@soitec.com

Media Contact:

Isabelle Laurent +33 (0)1 53 32 61 51 isabelle.laurent@oprgfinancial.fr

Fabrice Baron +33(0)1 53 32 61 27 fabrice.baron@oprgfinancial.fr

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Soitec is a French joint-stock corporation with a Board of Directors (Société Anonyme à Conseil d'administration) with a share capital of € 62,762,070.50, having its registered office located at Parc Technologique des Fontaines - Chemin des Franques - 38190 Bernin (France), and registered with the Grenoble Trade and Companies Register under number 384 711 909.