CET 19.19 Treviso, May 6, 2022 – With regards to the voluntary public tender offer (the “Offer”) launched by Schemaquarantatre S.p.A. (the “Offeror”) under Articles 102, par. 1, and 106, par. 4, of the Italian Legislative Decree no. 58 of February 24,1998, as subsequently amended (“TUF”) on all ordinary shares of Atlantia S.p.A. (“Atlantia”), the Offeror hereby announces the following. On May 5, 2022 Atlantia announced that on the same date the disposal of its entire stake in Autostrade per l’Italia S.p.A. (equal to 88.06% of the share capital and of the voting rights) has been completed. For further information, reference shall be made to the press release issued by Atlantia and published on its website (www.atlantia.com). Therefore, the condition of effectiveness of the Offer referred to in paragraph 3.4, letter f), of the notice issued by the Offeror pursuant to Article 102, par. 1, of the TUF, and to Article 37, par. 1, of the Issuers’ Regulation, published on Atlantia’s website (www.atlantia.com), (the “Notice 102”), has been fulfilled. Pending publication of the Offer Document, which was filed with Consob on May 4, 2022 pursuant to Article 102, par. 3, of the TUF and Article 37-ter of the Issuers’ Regulation, please refer to Notice 102 in which the legal grounds, the further conditions to which the Offer remains subject to, the terms and the essential elements of the Offer are indicated.