Milan, 31 March 2015 – Maire Tecnimont S.p.A. announces that the resolution of the extraordinary Shareholders’ Meeting held on 18 February 2015, is entered in the Companies Register of Milan on today’s date.

Therefore, the Company informs that text of the Company By-Laws, as amended following to the resolutions adopted by the aforementioned extraordinary Shareholders’ Meeting, is available to   the public at the registered office in Rome, Viale Castello della Magliana 75, on the Company website www.mairetecnimont.com   in the Governance/Shareholders’ Meeting Documents section (http://www.mairetecnimont.com/en/governance/documentazione-assemblee-degli-azionisti/year-2015?set_language=en), at Borsa Italiana S.p.A. and at the central storage device 1info (www.1info.it).

The Company also informs that are available to shareholders on the Company website www.mairetecnimont.com in the Governance/Increased Voting Rights section (http://www.mairetecnimont.com/en/governance/increased-voting-rights/), the procedures to enter the special list of the shareholders intending to benefit from the increased voting rights.

Maire Tecnimont S.p.A.

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 30 different countries, numbering around 45 operative companies and a workforce of about 4,300 employees, of whom over half work abroad. For more information: www.mairetecnimont.com.

Public Affairs & Communication

Carlo Nicolais

public.affairs@mairetecnimont.it

Media Relations

Image Building

Simona Raffaelli, A. Mele, A. Margheriti

Tel +39 02 89011300

mairetecnimont@imagebuilding.it

Investor Relations

Riccardo Guglielmetti

Tel +39 02 6313-7823

investor-relations@mairetecnimont.it