Disclosure regarding purchase of treasury shares

Milan, 20 November 2023 – In relation to the share buyback program announced on 8 November 2023 and launched on 9 November 2023, Industrie De Nora S.p.A. (“Industrie De Nora” or the “Company”), on the basis of the information provided by the intermediary engaged Goldman Sachs International, announces that, over the period from 13 to 17 November 2023, n. 152,712 ordinary shares of Industrie De Nora (equal to 0.076% of the share capital) have been purchased, at the weighted average price of euro 14.8509 and total consideration equal to euro 2,267,908.

The following table provides a summary of the purchases on a daily basis, and attached is the breakdown of each transaction completed over the relevant period.