Notice on the share capital and the total amount of voting rights on the “Record Date”

Milan, April 21, 2026 – In light of the ordinary Shareholders’ Meeting of Industrie De Nora S.p.A. (“Industrie De Nora” or the “Company”) convened on a single call on Tuesday April 29, 2026, the following information is provided, pursuant to Article 85-bis, paragraph 4-bis, of Consob Regulation No. 11971/1999, regarding the total amount of voting rights and the number of shares comprising the share capital as of the date referred to in Article 83-sexies, paragraph 2, of Legislative Decree 58/1998 (the “record date”), i.e., April 20, 2026.

The following table shows the Company’s total share capital, equal to EUR 18,268,203.90, and the total amount of shares, equal to 201,685,174.

The following table shows the outstanding shares and the number of exercisable voting rights.

^(*) The treasury shares held by the Company (No. 2,936,065) are excluded from the total amount of voting rights, the voting rights of which are suspended pursuant to Article 2357-ter, paragraph 2, of the Italian Civil Code.
^(**) Owned by shareholders Federico De Nora, Federico De Nora S.p.A., Norfin S.p.A. and Asset Company 10 S.r.l. Multiple-voting shares are not admitted to trading on Euronext Milan and are not included in the free float or the market capitalization. Multiple voting shares give 3 votes at the shareholders' meeting.
^(***)  Of which: (i) 6,619,560 multiple-voting shares owned by Federico De Nora, (ii) 88,847,684 multiple-voting shares owned by Federico De Nora S.p.A., (iii) 11,474,617 multiple-voting shares owned by Norfin S.p.A., and (iv) 43,539,334 multiple-voting shares owned by Asset Company 10 S.r.l.