NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION DIRECTLY OR INDIRECTLY IN OR INTO THE UNITED STATES, CANADA, AUSTRALIA OR JAPAN.

This communication does not contain or constitute an offer of, or the solicitation of an offer to buy, securities. The rights and shares referred to herein may not be offered or sold in the United States unless registered under the US Securities Act of 1933 (the “Securities Act”) or offered in a transaction exempt from, or not subject to, the registration requirements of the Securities Act. The rights or shares referred to herein have not been and will not be registered under the Securities Act or under the applicable securities laws of Australia, Canada or Japan. There will be no public offer of the ordinary shares in the United States, Australia, Canada or Japan. Copies of this communication are not being made available and may not be distributed or sent into the United States, Canada, Australia or Japan.

Milan, 28June 2013 – Maire Tecnimont S.p.A. announces that the Italian Offering Circular relating to the option rights on Maire Tecnimont shares, resulting from the capital increase resolved upon by the Extraordinary Shareholders’ Meeting of 6 June 2013, is available to the public at the registered office in Rome, Viale Castello della Magliana 75, and at the offices of Milan, Via Gaetano De Castillia 6A, and is available on the Company website www.mairetecnimont.com at Investors/Capital Increase http://www.mairetecnimont.com/en/investors/capital-increase?set_language=en and at Borsa Italiana S.p.A..

Maire Tecnimont SpA

Maire Tecnimont is an international leading Group in the sectors of Engineering & Construction (E&C), Technology & Licensing and Energy & Ventures with specific skills in plant engineering in particular in the hydrocarbon industry (Oil & Gas, Petrochemicals, Fertilizers) and also in Power Generation and Infrastructures. The Group is listed on the Milan Stock Exchange and is present in over 30 countries, controls about 45 operating companies and has about 4,500 employees, half of whom are located abroad. For further information: www.mairetecnimont.com.