Industrie De Nora

Registration Form • Aug 2, 2023

INDUSTRIE DE NORA S.P.A.:

NOTICE OF FILING OF THE NOTARIAL MINUTES OF THE EXTRAORDINARY SHAREHOLDERS' MEETING AND COMPANY BY-LAWS

Milan, August 2, 2023 – Industrie De Nora S.p.A. ("IDN" or the "Company") hereby notifies that as of today the following documents are available to the public at the registered office in Milan – Via Leonardo Bistolfi 35, on the Company's website in the relevant section, as well as on the centralized storage system authorized by Consob ():

• the notarial minutes of the extraordinary Shareholders' Meeting, held on 31 July 2023 (at www.denora.com, Section "Governance – Shareholders' Meeting");
• the Company's By-Laws as amended registered on 2 August 2023 at the Company Register of Milano, Monza Brianza and Lodi (at www.denora.com, Section "Governance – Documents and Procedure").

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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 vital 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, municipal, and marine 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 now 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 853 million and an Adjusted EBITDA of approx. EUR 191 million in 2022. 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 260 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 Office: +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