Notice of Total Amount of Voting Rights on the Record Date

^(*) 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 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 280 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
Office: +39 02/72.02.35.35
Sabrina Ragone – s.ragone@barabino.it 338 25 19 534
Elena Magni – e.magni@barabino.it + 39 348 478 7490

	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) ISIN IT0005186371 Current coupon number: 2	-	51,203,979	51,203,979^(*)	-
Multiple voting shares^() (regular dividend entitlement)** ISIN IT0005486706 Current coupon number: 2	-	150,481,195^(***)	451,443,585	-