Press Release

n. 21 -11.05.2021

FILING OF THE MINUTES OF THE ORDINARY SHAREHOLDERS' MEETING HELD ON 15 APRIL 2021

Milan, 11 May 2021 - Maire Tecnimont S.p.A. (the "Company") announces that the minutes of the ordinary Shareholders' Meeting held on 15 April 2021 are available to the public at the registered office in Rome, Viale Castello della Magliana 27, the operative office in Milan, Via Gaetano De Castilla 6A, on the websitewww.mairetecnimont.comat the pagehttps://www.mairetecnimont.com/en/governance/shareholders-meeting-documents/ordinary-shareholders-meeting-15-april-2021and on the authorized storage device 1 info (www.1info.it).

Maire Tecnimont S.p.A., listed on the Milan Stock Exchange, heads an industrial group which leads the global natural resource processing industry (downstream oil & gas plant engineering, with technological and executive expertise). Its subsidiary NextChem operates in the field of green chemicals and technologies in support of the energy transition. The Maire Tecnimont Group operates in 45 countries, through 50 companies and about 9,000 people. For further information: www.mairetecnimont.com.

Group Media Relations

Investor Relations

Carlo Nicolais, Tommaso Verani

Riccardo Guglielmetti

Tel +39 026313 7603

Tel +39 02 6313-7823

mediarelations@mairetecnimont.it

investor-relations@mairetecnimont.it

Maire Tecnimont SpA

REGISTERED OFFICE

Viale Castello della Magliana, 27, 00148 Rome, Italy T +39 06 412235300 F +39 06412235610 Operational headquarters

Via Gaetano de Castillia 6a, 20124 Milan, Italy T +39 02 63131 F +39 02 63139777

Share Capital Euro 19,920,679.32 fully paid-in Tax, VAT and Rome Company Registration Office No.: 07673571001 www.mairetecnimont.com

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Maire Tecnimont S.p.A. published this content on 11 May 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 11 May 2021 11:15:01 UTC.