Rome, 30 May 2012 – Atlantia SpA announces that the shares issued under the bonus issue approved by the shareholder resolution, adopted pursuant to art. 2442 of the Italian Civil Code by the Extraordinary General Meeting of 24 April 2012, will be made available to the holders of the rights via authorised intermediaries registered with Monte Titoli SpA at 7 June 2012, following the ex-dividend date of 4 June 2012 (coupon 20).