Milan, 7 April 2017 - In accordance with Article 85-bis, paragraph 4-bis of Consob Regulation No. 11971 of May 14, 1999 (the “Consob Issuers’ Regulation”), Maire Tecnimont S.p.A. (the “Company”) announces that today - following the application submitted in accordance with Article 6-bis, paragraph 2 of the Company By-Laws, having fulfilled the requirements and conditions under the applicable regulation and the Company By-Laws - 167,665,134 ordinary shares of the Company held by the shareholder GLV CAPITAL S.p.A. obtained assignment of increased-voting rights.

In accordance with Article 85-bis, paragraph 4-bis of the Consob Issuers’ Regulation, the total amount of the voting rights is presented below, together with the number of shares making up the share capital.

The Special List, updated in accordance with Article 6-quater, paragraph 3 of the Company By-Laws, is available on the Company website www.mairetecnimont.com, in the “Governance” - “Increased-voting rights” section.

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 5,000 employees, of whom over half work abroad. For more information: www.mairetecnimont.com.

Public Affairs and 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 026313-7823

investor-relations@mairetecnimont.it