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, 3 July 2013 – With respect to some news agencies published on 2 July and in compliance with Consob request, Maire Tecnimont S.p.A. specifies that the forecast data relating to Revenues, EBITDA and NFP at 2015, included in the Investor Presentation made available to the public yesterday 2 July 2013 (http://www.mairetecnimont.com/en/investors/presentations), had already been disclosed to the market last 10 May by publication of the “Investor Presentation” on the Company website, and on 28 June by publication of the Offering Circular (chapter 13) relating to the Capital Increase with Option Rights offered to shareholders, which is currently in progress.

The Presentation published on 2 July 2013 contains, with respect to the presentation published on 10 May 2013, an update on the Disposal Plan, as disclosed to the market on 17 June 2013, and on the structure of the Capital Increase as disclosed to the market on 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 approximately 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.

Public Affairs

Carlo Nicolais                                      public.affairs@mairetecnimont.it

Image Building

Simona Raffaelli, Alfredo Mele

Tel +39 02 89011300

mairetecnimont@imagebuilding.it

Investor Relations

Riccardo Guglielmetti

Tel +39 02 6313-7823

investor-relations@mairetecnimont.it