Disclosure of Equity Participation CVM Instruction 358

Dear Sir/Madam:

Itaú-Unibanco S.A., current name of Banco Itaú S.A., pending approval by the Central Bank of Brazil, CNPJ 60.701.190/0001-04, hereby informs the Company that in 08/12./2009 the sum of BRSR6 shares held by the funds jointly managed by it, in addition to all the funds managed by UAM – Assessoria e Gestão de Investimentos Ltda., CNPJ 59.608.174/0001-84, reached 5.25% of all preferred shares (Class B) issued, totaling 10,510,485 shares.

It states further that such participation is not intended to change the Company’s control composition or its management structure.

Annex 1 include the detailed list of funds that make up the informed participation herein mentioned.

Regards,

Itaú-Unibanco S/A
Paulo Eikievicius Corchaki
Manager-Director

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