Industrie De Nora

Pre-Annual General Meeting Information • Mar 20, 2025

INDUSTRIE DE NORA S.p.A.

NOTICE OF FILING OF THE RELEVANT DOCUMENTATION FOR THE ORDINARY SHAREHOLDERS' MEETING TO BE HELD ON APRIL 29, 2025

Milan, March 20, 2025 – Industrie De Nora S.p.A., announces that the notice of call for the ordinary Shareholders' Meeting to be held on 29 April 2025, on a single call, is available on the Company website at www.denora.com (section "Governance – Shareholders' Meetings") as well as at the authorized storage mechanism at , and is published in excerpts in today's newspaper "Il Sole24Ore".

Today, the Company has also made available at its registered office, on its website at www.denora.com (section "Governance – Shareholders' Meetings") as well as at the authorized storage mechanism at , the explanatory reports on the items on the agenda.

At the registered office and at the above website, the Company has also made available the proxy forms that can be used for proxy voting and information on the amount of the share capital and its composition pursuant to Article 125-quater of the Italian Consolidated Law on Finance.

Further documentation on the items on the agenda will be made available to the public, in the manner and within the terms provided for by the applicable laws and regulations.