This is to inform that the dossier including the Half Year Financial Report as of June 30, 2010 (as established by art. 154 ter, paragraph 2, of Legislative Decree No. 58, dated February 24, 1998) – approved by Terna S.p.A.’s Board of Directors on July 26, 2010, together with the report by the auditing company, was deposited and made available to the public at the Company’s headoffice and at the market management company, Borsa Italiana S.p.A. (www.borsaitaliana.it) and can also be found in the Company’s website (www.terna.it ).

Rome, August 3, 2010