Industrie De Nora

Notice of Dividend Amount • Apr 24, 2024

DIVIDEND PAYMENT NOTICE

Milan, 24 April 2024 – Industrie De Nora S.p.A. ("IDN" or the "Company") hereby announces that the Company will pay a gross dividend of Euro 0.123 per share to eligible shareholders as approved today by the ordinary Shareholders' Meeting.

Ex-dividend date is set on May 20, 2024, record date, pursuant to Article 83-terdecies of Legislative Decree No. 58 of February 24, 1998, on May 21, 2024, and payment date on May 22, 2024. Coupon no. 2.

The dividend is equal to Euro 0.123 per share to be paid both from the profit for the year shown in the financial statements. The total disbursement, considering the treasury shares held by the Company, will amount to Euro 24,438,276.40, gross of withholding taxes.

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The ordinary Shareholders' Meeting minutes will be made available within the terms of law.

Industrie De Nora is an Italian multinational company listed on the Euronext Milan stock exchange specializing in electrochemistry, a leader in sustainable technologies, and plays 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 electrodes for the major industrial electro-chemical processes (serving a broad portfolio of customers operating in the fields of chlorine and caustic soda production, components for electronics, and surface finishing). Industrie De Nora is among the world's leading suppliers of water filtration and disinfection technologies (for the industrial, municipal, swimming pool and marine sectors). Leveraging its well-established electrochemical knowledge and proven manufacturing capability, 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 holds 25.85% of thyssenkrupp nucera AG &Co. KGaA.

Founded in 1923, Industrie De Nora generated total revenues of around EUR 856.4 million and an Adjusted EBITDA of approximately EUR 171.1 million in 2023. The Company's growth process has developed organically through its continuous innovation as regards external lines through acquisitions in the U.S., Asia, and Europe. De Nora's intellectual property portfolio currently includes more than 260 patent families with more than 2,800 territorial extensions.

The De Nora family 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