Listed companies - Major shareholdings

DECLARATIONS OF MAJOR SHAREHOLDINGS
PURSUANT TO ARTICLE 120 OF LEGISLATIVE DECREE NO.58/98
PUBLISHED ON 26/05/2017

HOLDINGS IN SHARES
DATE OF TRANSACTION DECLARANT OR SUBJECT AT THE TOP OF INVESTMENT CHAIN INVESTEE COMPANY PERCENTAGE AND DEED OF POSSESSION DIRECT SHAREHOLDER PREVIOUS SITUATION
19/05/2017 UBS GROUP AG ANSALDO STS SPA 5.034% -INDIRETTA PROPRIETA' GESTIONE NON DISCREZIONALE DEL RISPARMIO ** 5.032% UBS AG ** 0.002% UBS ASSET MANAGEMENT TRUST COMPANY
23/05/2017 WELLINGTON MANAGEMENT GROUP LLP OVS SPA 5.006% -INDIRETTA GESTIONE NON DISCREZIONALE DEL RISPARMIO ** 2.295% WELLINGTON MANAGEMENT COMPANY LLP ** 2.711% WELLINGTON MANAGEMENT INTERNATIONAL LTD
24/05/2017 NORGES BANK PRYSMIAN SPA 4.175% -DIRETTA PROPRIETA' 22/05/2017 5.135%
24/05/2017 NORGES BANK SNAM SPA 3.013% -DIRETTA PROPRIETA'

INVESTMENTS IN FINANCIAL INSTRUMENTS AND AGGREGATE INVESTMENTS
DATE OF TRANSACTION DECLARANT OR SUBJECT AT THE TOP OF INVESTMENT CHAIN INVESTEE COMPANY PERCENTAGE AND TYPE OF POSSESSION INVESTMENT DETAILS PREVIOUS SITUATION Aggregate (A) In Financial Instruments (B)
Voting rights relative to shares Potential investment (1) Other long positions with physical settlement (2) and settlement in cash (3)
19/05/2017 (*) UBS GROUP AG ANSALDO STS SPA 5.043% - INDIRETTA (*) 5.034% 0.005% (1) 0.004% (3) 18/05/2017 A(5.054%) B(4.989%)
(*) Partecipazione detenuta tramite le societa' controllate UBS AG, UBS Switzerland AG ed UBS Asset Management Trust Company. (1) Azioni oggetto di contratti di prestito titoli con possibilita' di rientro in qualsiasi momento. (3) "Equity swaps" con scadenza il 02.12.2019.
(*) COMUNICAZIONE RESA SU BASE VOLONTARIA PER AGGIORNAMENTO DELLA PARTECIPAZIONE