Itau Unibanco Holding S.A. - Sale of interest in SERASA

MATERIAL FACT

SAO PAULO, Oct. 23, 2012 /PRNewswire/ -- Itau Unibanco Holding S.A. ("ITAU"), through BIU Participacoes ("BIU"), announces the signing of a Share Purchase Agreement with Experian Brasil Ltda. ("EXPERIAN"), through which ITAU undertakes to sell to EXPERIAN its total interest in Serasa S.A. ("SERASA").

EXPERIAN shall pay R$ 1.7 billion to ITAU, in cash, for 601,403 SERASA's shares, representing 16.14% of the company's capital. The settlement of this transaction will occur after certain conditions of the contract are satisfied:

• obtainment of necessary regulatory and governmental authorizations, and
• the approval of the transaction by the shareholders of Experian PLC, EXPERIAN's parent company.

The result before taxes of ITAU, arising from this sale, is estimated at R$ 1.5 billion in the fourth quarter of 2012.

ITAU had the financial advisory of Itau BBA S.A.

This transaction is consistent with ITAU's capital allocation to typical banking business, which creates shareholder value.

Sao Paulo (SP), October 23, 2012.

ALFREDO EGYDIO SETUBAL
Investor Relations Officer

Itau Unibanco Holding S.A.
CNPJ 60.872.504/0001-23
A Publicly Listed Company (BM&FBovespa: ITUB4 e ITUB3) (NYSE: ITUB)
NIRE 35300010230

Contact:

Geraldo Soares
+55-11-2794-3547