Itausa Announces American Depositary Share Material Fact

SAO PAULO, May 26, 2010 - Itausa - Investimentos Itau S.A. ("Itausa") (BM&FBOVESPA: ITSA3.SA;
ITSA4.SA), in connection with the Material Fact issued on May 18, 2010,
announces that the price per American Depositary Share - ADS to be sold by
Bank of America Corporation ("BAC") in the secondary offer mentioned therein
has been established on the date hereof. As a result thereof and subject to
the sale and purchase agreement executed between Itausa and BAC on May 18,
2010, Itausa will pay to BAC US$ 903,620,784 in connection with the
acquisition of 56,476,299 common shares issued by Itau Unibanco Holding S.A.
("Itau Unibanco").

As a result of the acquisition of such 56,476,299 common shares, the
total direct and indirect stake held by Itausa in the total capital stock of
Itau Unibanco will increase from 35.43% to 36.68%.

This transaction is consistent with the use of Itausa's resources on
businesses that create value to its stockholders and confirm the company's
reliance in the future of Brazil.

    Itausa - Investimentos Itau S.A.
    Henri Penchas
    Investor Relations Officer
    +55(11)5019-1549
    Investor.relations@itausa.com.br

Henri Penchas, Itausa Investor Relations Officer, +55-11-5019-1549, Investor.relations at itausa.com.br