Notice of change in issued capital

Rome, 24 May 2012 –Pursuant to art. 98, paragraphs 1 and 2, of the Regulations for Issuers and art. IA.2.3.4 of the Instructions issued by Borsa Italiana SpA, Atlantia SpA announces that the Company’s amended Articles of Association were filed with the Rome Companies’ Register on 22 May 2012. The amendments were rendered necessary by the shareholders’ resolution, adopted pursuant to art. 2442 of the Italian Civil Code by the Extraordinary General Meeting of 24 April 2012, approving a bonus issue with a par value of Euro 31,515,600.00, via the issue, on 4 June 2012, of no. 31,515,600 new ordinary shares, ranking equally in all respects with the existing issued ordinary shares.