Industrie De Nora

Declaration of Voting Results & Voting Rights Announcements • Apr 16, 2024

INDUSTRIE DE NORA S.p.A.

NOTICE OF TOTAL AMOUNT OF VOTING RIGHTS ON THE RECORD DATE

Milan, April 16, 2024 - In light of the ordinary Shareholders' Meeting of Industrie De Nora S.p.A. ("IDN" or the "Company") convened on a single call on April 24, 2024, IDN hereby communicates, pursuant to Article 85 bis, paragraph 4-bis, of Consob Regulation no. 11971/1999, the total amount of voting rights, with an indication of the number of shares making up the share capital, as of the date referred to in Article 83-sexies, paragraph 2, of Legislative Decree No. 58/1998 (i.e., the record date), i.e. as of April 15, 2024.

Following is the total amount of the Company's share capital, equal to Euro 18,268,203.90, and the total number of shares, equal to n. 201,685,174.

The following table shows data on shares outstanding and the number of voting rights that can be exercised

	Euro	n. shares	n. voting rights	Value per unit
Total	18,268,203.90	201,685,174	502,647,564	Shares with no par value
Ordinary shares (regular dividend entitlement)	-	51,203,979	51,203,979(*)	-
ISIN IT0005186371
Current coupon number: 2
Multiple voting shares(**) (regular dividend entitlement)	-	150,481,195(***)	451,443,585	-
ISIN IT0005486706
Current coupon number: 2

(*) The treasury shares held by the issuer (No. 2,991,848) are excluded from the number of voting rights, their rights to vote are suspended pursuant to Article 2357-ter, paragraph 2, of the Civil Code.

(**) Owned by Federico De Nora, Federico De Nora S.p.A., Norfin S.p.A. and Asset Company 10 S.r.l. Shares with multiple voting rights are not admitted to trading on Euronext Milan and are not counted to the purposes of the free float and stock market capitalization value.

(***) Including: (i) 6,619,560 Multiple Voting Shares owned by Federico De Nora, (ii) 88,847,648 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.

Industrie De Nora is an Italian multinational company listed on the Euronext Milan stock exchange, specializing in electrochemistry, a leader in sustainable technologies, and has a pivotal role in the industrial green hydrogen production chain. The Company has a portfolio of products and systems to optimize the energy efficiency of critical industrial

electrochemical processes and a range of products and solutions for water treatment. Globally, Industrie De Nora is the world's largest supplier of activated electrodes (serving a broad portfolio of customers operating in the fields of chlorine and caustic soda production, components for electronics, and non-ferrous metal refining). Industrie De Nora is also among the world's leading suppliers of water filtration and disinfection technologies (for the industrial and municipal sectors) and the world's leading swimming pool disinfection components supplier. Leveraging its well-established electrochemical knowledge, proven manufacturing capability, and a supply chain established over the years, the Company has developed and qualified a portfolio of electrodes and components to produce hydrogen through the electrolysis of water, which is critical for the energy transition. In this sector, the company also holds 25.85% of thyssenkrupp nucera AG &Co. KGaA, a joint venture established with the thyssenkrupp group.

Founded in 1923, Industrie De Nora generated total revenues of around EUR 856 million and an Adjusted EBITDA of approx. EUR 171 million in 2023. The Company's growth process has developed organically through continued penetration of new markets and applications and through acquisitions in the U.S., Asia, and Europe. De Nora's continuous innovation drives its growth, represented by its evolving intellectual property portfolio, which currently includes more than 280 patent families with more than 2,800 territorial extensions. The De Nora family controls the Group, which owns 53.3% of the Company's share capital. Snam S.p.A. is a minority shareholder with about 21.6% of the capital.

Investor Relations

Chiara Locati +39 02 2129 2124 ir@denora.com

Media Relations

Barabino & Partners Ufficio: +39 02/72.02.35.35 Sabrina Ragone – s.ragone@barabino.it +39 338 25 19 534 Elena Magni – e.magni@barabino.it + 39 348 478 7490