Milan, 4 April 2018 Maire Tecnimont S.p.A. (the “Company”) announces that, following the registration with the Companies Register of Rome on 3 April 2018 of the certification pursuant to art. 2444 of the Civil Code, the updated Company By-Laws are available at the registered office in Rome and the operative office in Milan, on the Company’s website www.mairetecnimont.com (section “Governance” – “Corporate Documents”) and on the authorized 1info storage device (www.1info.it).

Maire Tecnimont SpA

Maire Tecnimont S.p.A. is a company listed with the Milan stock exchange. It heads an industrial group (the Maire Tecnimont Group) that leads the international Engineering & Construction (E&C), Technology & Licensing and Energy Business Development & Ventures markets, with specific competences in plants, particularly in the hydrocarbons segment (Oil & Gas, Petrochemicals and Fertilisers), as well as in Power Generation and Infrastructures. The Maire Tecnimont Group operates in approximately 40 different countries, numbering around 50 operative companies and a workforce of more than 5,400 employees, along with approximately 3,000 additional Electrical & Instrumentation professionals. For more information: www.mairetecnimont.com.

Institutional Relations and Communication

Carlo Nicolais, Tommaso Verani public.affairs@mairetecnimont.it

Media Relations

Image Building

Simona Raffaelli, Alfredo Mele, Alessandro Zambetti

Tel +39 02 89011300

mairetecnimont@imagebuilding.it

Investor Relations

Riccardo Guglielmetti

Tel +39 02 6313-7823

investor-relations@mairetecnimont.it