Milan, 1 February 2018 – Under the buyback program of treasury shares referred to Art. 5 of the Commission Delegated Regulation (EU) of 8 March 2016 no. 596/2014 (the “MAR”), announced to the market on 22 September 2017 and launched on 25 September 2017 for no. 15,000,000 ordinary shares (the “Program”) servicing the equity-linked bond, Maire Tecnimont S.p.A. (the “Company” or “Maire Tecnimont”) announces – according to the provision and for the purpose of Article 2 paragraph 3  of the Commission Delegated Regulation (EU) 2016/1052 of 8 March 2016 (the “1052 EU Regulation”) – to have acquired on the Telematic Stock Exchange Market (MTA) organized and managed by Borsa Italiana S.p.A., on 30 January 2018, total no. 332,199 of treasury shares (corresponding to 0.11% of the total number of ordinary shares), at a weighted average price of Euro 4.211 for a total counter-value of Euro 1,398,889.99.

It should be noted that, taking into account the operations already executed during the period between 25 September 2017 and 30 January 2018 included, all no. 15,000,000 ordinary shares servicing the equity-linked bond have been purchased; therefore the Program has been completed.

On the basis of information provided by Banca IMI 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 operations carried out, in aggregate form:

In accordance with the provisions of Article 2 paragraph 3 of the UE Regulation 1052, attached to this press release, information of the buying-in operations carried out on 30 January 2018 is indicated in detail.

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

On the date of this press release, the treasury shares held by the Company amount to no. 14,968,548.

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.