Upon CONSOB request, Arnoldo Mondadori Editore S.p.A. informs that it has submitted a non-binding offer to RCS MediaGroup S.p.A. to eventually acquire the entire stake held by RCS MediaGroup S.p.A. of RCS Libri S.p.A. share capital, equal to 99.99%, as well as all the additional assets and activities comprising the books division of RCS MediaGroup.