Bernin, on July, 11 th 2018

INFORMATION RELATING TO THE TOTAL NUMBER OF VOTING RIGHTS

AND SHARES FORMING THE SHARE CAPITAL

(Article L. 233-8 II of the French Commercial Code and article 223-16 of the General Regulation of the French financial markets authority (A.M.F))

Name and address of the Company: SOITEC Parc Technologique des Fontaines Chemin des Franques 38190 BERNIN (Code ISIN FR0013227113)

Statement date Total number of shares forming the share capital Total number of voting rights
06/30/2018 31,636,932 Number of theoretical (gross) voting rights (1)  : 32,288,046
Number of exercisable (net) voting rights (2) : 32,013,604

(1) The total number of theoretical voting rights (or "gross" voting rights) is used as the basis for calculating the crossing of shareholding thresholds. In accordance with article 223-11 of the AMF General Regulation, this number is calculated on the basis of all shares to which voting rights are attached, including shares without voting rights (in the present case, the 5,077 treasury shares held as of 06/30/2018 and the 269,365 preference shares of 0.10€ par value each existing on 06/30/2018) and after taking into account the number of shares entitled to double voting rights on 06/30/2018.

(2) The total number of exercisable voting rights (or "net" voting rights) is calculated after taking into account the number of shares entitled to double voting rights on 06/30/2018, and after deduction of the shares without voting rights (in the present case, the 5,077 treasury shares held as of 06/30/2018 and the 269,365 preference shares of 0.10€ par value each existing on 06/30/2018).

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