Rome, 5 July 2013 – With regard to the merger of Gemina SpA with and into Atlantia SpA, and following approval by the respective Boards of Directors on 28 June 2013 of an additional provision in the Merger Plan, providing for the issue of “Atlantia SpA 2013 Ordinary Share Contingent Value Rights”, to be granted to the holders of Gemina’s ordinary and savings shares together with the allotment of Atlantia shares, Atlantia announces that the following document has been filed and made available for inspection at the Company’s registered office at Via Antonio Nibby 20, Rome, and on the Company’s website at https://www.atlantia.it/it: supplement to the Information Circular regarding related party transactions of greater significance (and the related annexes), prepared pursuant to art. 5 of the CONSOB Regulation adopted with Resolution 17221 of 12 March 2010, as amended, and published on 15 March 2013 and subsequently supplemented on 8 April 2013.