Industrie De Nora

Notice of Dividend Amount • Apr 29, 2025

DIVIDEND PAYMENT NOTICE

Milan, 29 April 2025 - Industrie De Nora S.p.A. ("IDN" or the "Company"), hereby announces that the Company will pay a gross dividend of Euro 0.104 per share to eligible shareholders as resolved today by the ordinary Shareholders' Meeting.

Ex dividend date will be on May 19, 2025, record date, pursuant to Article 83-terdecies of Legislative Decree No. 58 of 24 February 1998 ("Consolidated Law on Finance"), on May 20, 2025, and payment on May 21, 2025. Coupon No. 3.

The dividend is Euro 0.104 per share to be paid from the profit for the year shown in the financial statements. The total disbursement, considering the number of treasury shares held by the Company, will be Euro 20,664,689.14, gross of withholding taxes.

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

Industrie De Nora S.p.A. is an Italian multinational company founded in 1923 and listed on the Euronext Milan stock exchange. A global leader in electrochemical processes and technologies for water management, it provides products and services that enable industrial processes in the chlor-alkali, electronics, battery, water treatment (both municipal and industrial), and green hydrogen sectors. With an operational presence across multiple regions—including the Americas, Europe, Middle East, and Asia—De Nora delivers customized solutions, effectively and reliably meeting market demands. Committed to ESG principles, the company integrates environmental sustainability and social responsibility into all its activities.

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For further information and to access the Media Kit: Media Kit | De Nora

Investor Relations Chiara Locati +39 02 2129 2124 ir@denora.com Investor Relations | Overview | De Nora

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