Milan, 22 March 2024 – Under the buyback program of treasury shares referred to Art. 5 of the Commission Delegated Regulation (EU) no. 596/2014 (the “MAR”), announced to the market on 18 March 2024 for a maximum number of 6,350,000 ordinary shares (the “Program”) the “2021-2023 Long-term Incentive Plan of the Maire Tecnimont Group” and the First Cycle (2023) of the "Maire Tecnimont Group’s Employees Share Ownership Plan 2023-2025" dedicated to all employees of Maire Tecnimont Group companies (the “Plans”), MAIRE S.p.A. (the “Company” or “MAIRE”) announces – according to the provision and for the purpose of Article 2 paragraph 3 of the Commission Delegated Regulation (EU) 1052/2016 of 8 March 2016 (the “1052 EU Regulation”) – to have acquired on the Euronext Milan Market (EXM) organized and managed by Borsa Italiana S.p.A., in the period from 19 March 2024 to 21 March 2024 included, total no. 960,000 of treasury shares (corresponding to 0.292% of the total number of ordinary shares), at a weighted average price of Euro 7.135 for a total counter-value of Euro 6,849,711.00.

On the basis of information provided by Intesa Sanpaolo S.p.A., the authorized intermediary in charge of carrying out the buyback mentioned in the present press release, here below is a summary of the daily operations, in aggregate form:

In accordance with the provisions of Article 2 paragraph 3 of the 1052 UE Regulation, attached to this press release, information of the daily buying-in operations carried out in the above-mentioned period is indicated in detail.

This information is also published on the Company’s website, www.mairetecnimont.com (Section “Investors” – “Press Release” – “Buy Back”) for a five-year period.

In the light of the purchases made, on today’s date the treasury shares held by the Company amount to no. 1,083,086.