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, 27 June 2013 – Maire Tecnimont S.p.A. informs that with reference to the option rights offered to the shareholders holding Maire Tecnimont ordinary shares to be issued in the framework of the capital increase with option rights, pursuant to art. 2441, par. 1 of the Italian Civil Code, for a total amount of Euro 134,722,500, as resolved by the Extraordinary Shareholders’ Meeting of 6 June 2013, for the time being it is envisaged that:

• the option rights may be exercised in the period between 1 July 2013 and 18 July 2013 (inclusive);
• the option rights will be tradable on the Stock Exchange (Mercato Telematico Azionario) managed by Borsa Italiana in the period between 1 July 2013 and 11 July 2013 (inclusive).

Any option rights that are not exercised at the end of the offer period will be offered on the Stock Exchange, within the month following the expiry of the offer period, in compliance with currently applicable regulations.

The start of the Rights Issue and the aforementioned timeline shall be subject to the issue by Consob of the decree authorising the publication of the relevant Italian Offering Circular.

It is envisaged that the Board of Directors’ Meeting called to establish the final terms of the capital increase (including the subscription price of newly issued shares, the number of such shares as well as the relevant allotment ratio and the exact amount of the capital increase) will be held in the evening of today, 27 June 2013.

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.